mirror of https://gitee.com/openkylin/linux.git
810720 Commits
| Author | SHA1 | Message | Date |
|---|---|---|---|
Toke Høiland-Jørgensen
|
f6bab19931 |
sched: Avoid dereferencing skb pointer after child enqueue
Parent qdiscs may dereference the pointer to the enqueued skb after enqueue. However, both CAKE and TBF call consume_skb() on the original skb when splitting GSO packets, leading to a potential use-after-free in the parent. Fix this by avoiding dereferencing the skb pointer after enqueueing to the child. Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Hangbin Liu
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80b3671e93 |
ip6_gre: update version related info when changing link
We forgot to update ip6erspan version related info when changing link,
which will cause setting new hwid failed.
Reported-by: Jianlin Shi <jishi@redhat.com>
Fixes:
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Heiner Kallweit
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d9f903f6af |
net: phy: fix too strict check in phy_start_aneg
When adding checks to detect wrong usage of the phylib API we added
a check to phy_start_aneg() which is too strict. If the phylib
state machine is in state PHY_HALTED we should allow reconfiguring
and restarting aneg, and just don't touch the state.
Fixes:
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Jeff Kirsher
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5642e27bf6 |
Revert "igb: reduce CPU0 latency when updating statistics"
This reverts commit
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Dan Carpenter
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5be99560c6 |
selftests/txtimestamp: Fix an equals vs assign bug
This should be == instead of =.
Fixes:
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Ido Schimmel
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f97f4dd8b3 |
net: ipv4: Fix memory leak in network namespace dismantle
IPv4 routing tables are flushed in two cases:
1. In response to events in the netdev and inetaddr notification chains
2. When a network namespace is being dismantled
In both cases only routes associated with a dead nexthop group are
flushed. However, a nexthop group will only be marked as dead in case it
is populated with actual nexthops using a nexthop device. This is not
the case when the route in question is an error route (e.g.,
'blackhole', 'unreachable').
Therefore, when a network namespace is being dismantled such routes are
not flushed and leaked [1].
To reproduce:
# ip netns add blue
# ip -n blue route add unreachable 192.0.2.0/24
# ip netns del blue
Fix this by not skipping error routes that are not marked with
RTNH_F_DEAD when flushing the routing tables.
To prevent the flushing of such routes in case #1, add a parameter to
fib_table_flush() that indicates if the table is flushed as part of
namespace dismantle or not.
Note that this problem does not exist in IPv6 since error routes are
associated with the loopback device.
[1]
unreferenced object 0xffff888066650338 (size 56):
comm "ip", pid 1206, jiffies 4294786063 (age 26.235s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 b0 1c 62 61 80 88 ff ff ..........ba....
e8 8b a1 64 80 88 ff ff 00 07 00 08 fe 00 00 00 ...d............
backtrace:
[<00000000856ed27d>] inet_rtm_newroute+0x129/0x220
[<00000000fcdfc00a>] rtnetlink_rcv_msg+0x397/0xa20
[<00000000cb85801a>] netlink_rcv_skb+0x132/0x380
[<00000000ebc991d2>] netlink_unicast+0x4c0/0x690
[<0000000014f62875>] netlink_sendmsg+0x929/0xe10
[<00000000bac9d967>] sock_sendmsg+0xc8/0x110
[<00000000223e6485>] ___sys_sendmsg+0x77a/0x8f0
[<000000002e94f880>] __sys_sendmsg+0xf7/0x250
[<00000000ccb1fa72>] do_syscall_64+0x14d/0x610
[<00000000ffbe3dae>] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[<000000003a8b605b>] 0xffffffffffffffff
unreferenced object 0xffff888061621c88 (size 48):
comm "ip", pid 1206, jiffies 4294786063 (age 26.235s)
hex dump (first 32 bytes):
6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
6b 6b 6b 6b 6b 6b 6b 6b d8 8e 26 5f 80 88 ff ff kkkkkkkk..&_....
backtrace:
[<00000000733609e3>] fib_table_insert+0x978/0x1500
[<00000000856ed27d>] inet_rtm_newroute+0x129/0x220
[<00000000fcdfc00a>] rtnetlink_rcv_msg+0x397/0xa20
[<00000000cb85801a>] netlink_rcv_skb+0x132/0x380
[<00000000ebc991d2>] netlink_unicast+0x4c0/0x690
[<0000000014f62875>] netlink_sendmsg+0x929/0xe10
[<00000000bac9d967>] sock_sendmsg+0xc8/0x110
[<00000000223e6485>] ___sys_sendmsg+0x77a/0x8f0
[<000000002e94f880>] __sys_sendmsg+0xf7/0x250
[<00000000ccb1fa72>] do_syscall_64+0x14d/0x610
[<00000000ffbe3dae>] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[<000000003a8b605b>] 0xffffffffffffffff
Fixes:
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Olivier Matz
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ab5098fa25 |
ip6_gre: fix tunnel list corruption for x-netns
In changelink ops, the ip6gre_net pointer is retrieved from
dev_net(dev), which is wrong in case of x-netns. Thus, the tunnel is not
unlinked from its current list and is relinked into another net
namespace. This corrupts the tunnel lists and can later trigger a kernel
oops.
Fix this by retrieving the netns from device private area.
Fixes:
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David S. Miller
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72f6d4d14c |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
Pablo Neira Ayuso says: ==================== Netfilter fixes for net This is the first batch of Netfilter fixes for your net tree: 1) Fix endless loop in nf_tables rules netlink dump, from Phil Sutter. 2) Reference counter leak in object from the error path, from Taehee Yoo. 3) Selective rule dump requires table and chain. 4) Fix DNAT with nft_flow_offload reverse route lookup, from wenxu. 5) Use GFP_KERNEL_ACCOUNT in vmalloc allocation from ebtables, from Shakeel Butt. 6) Set ifindex from route to fix interaction with VRF slave device, also from wenxu. 7) Use nfct_help() to check for conntrack helper, IPS_HELPER status flag is only set from explicit helpers via -j CT, from Henry Yen. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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Linus Torvalds
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7939f8beec |
Andrea Righi fixed a NULL pointer dereference in trace_kprobe_create()
It is possible to trigger a NULL pointer dereference by writing an incorrectly formatted string to the krpobe_events file. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCXD4L1RQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qsv7AP9nzekt94AQC2t5OQ38ph/nYGBjLc3T yLqFMshqUSgyVAEAgFB88fvniwLOMFyAqbfRb0+4mq1SDeThBY7TtJBzSQI= =+Pyh -----END PGP SIGNATURE----- Merge tag 'trace-v5.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fix from Steven Rostedt: "Andrea Righi fixed a NULL pointer dereference in trace_kprobe_create() It is possible to trigger a NULL pointer dereference by writing an incorrectly formatted string to the krpobe_events file" * tag 'trace-v5.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing/kprobes: Fix NULL pointer dereference in trace_kprobe_create() |
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Linus Torvalds
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e8746440bf |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:
1) Fix regression in multi-SKB responses to RTM_GETADDR, from Arthur
Gautier.
2) Fix ipv6 frag parsing in openvswitch, from Yi-Hung Wei.
3) Unbounded recursion in ipv4 and ipv6 GUE tunnels, from Stefano
Brivio.
4) Use after free in hns driver, from Yonglong Liu.
5) icmp6_send() needs to handle the case of NULL skb, from Eric
Dumazet.
6) Missing rcu read lock in __inet6_bind() when operating on mapped
addresses, from David Ahern.
7) Memory leak in tipc-nl_compat_publ_dump(), from Gustavo A. R. Silva.
8) Fix PHY vs r8169 module loading ordering issues, from Heiner
Kallweit.
9) Fix bridge vlan memory leak, from Ido Schimmel.
10) Dev refcount leak in AF_PACKET, from Jason Gunthorpe.
11) Infoleak in ipv6_local_error(), flow label isn't completely
initialized. From Eric Dumazet.
12) Handle mv88e6390 errata, from Andrew Lunn.
13) Making vhost/vsock CID hashing consistent, from Zha Bin.
14) Fix lack of UMH cleanup when it unexpectedly exits, from Taehee Yoo.
15) Bridge forwarding must clear skb->tstamp, from Paolo Abeni.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (87 commits)
bnxt_en: Fix context memory allocation.
bnxt_en: Fix ring checking logic on 57500 chips.
mISDN: hfcsusb: Use struct_size() in kzalloc()
net: clear skb->tstamp in bridge forwarding path
net: bpfilter: disallow to remove bpfilter module while being used
net: bpfilter: restart bpfilter_umh when error occurred
net: bpfilter: use cleanup callback to release umh_info
umh: add exit routine for UMH process
isdn: i4l: isdn_tty: Fix some concurrency double-free bugs
vhost/vsock: fix vhost vsock cid hashing inconsistent
net: stmmac: Prevent RX starvation in stmmac_napi_poll()
net: stmmac: Fix the logic of checking if RX Watchdog must be enabled
net: stmmac: Check if CBS is supported before configuring
net: stmmac: dwxgmac2: Only clear interrupts that are active
net: stmmac: Fix PCI module removal leak
tools/bpf: fix bpftool map dump with bitfields
tools/bpf: test btf bitfield with >=256 struct member offset
bpf: fix bpffs bitfield pretty print
net: ethernet: mediatek: fix warning in phy_start_aneg
tcp: change txhash on SYN-data timeout
...
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Andrea Righi
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8b05a3a750 |
tracing/kprobes: Fix NULL pointer dereference in trace_kprobe_create()
It is possible to trigger a NULL pointer dereference by writing an
incorrectly formatted string to krpobe_events (trying to create a
kretprobe omitting the symbol).
Example:
echo "r:event_1 " >> /sys/kernel/debug/tracing/kprobe_events
That triggers this:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
#PF error: [normal kernel read fault]
PGD 0 P4D 0
Oops: 0000 [#1] SMP PTI
CPU: 6 PID: 1757 Comm: bash Not tainted 5.0.0-rc1+ #125
Hardware name: Dell Inc. XPS 13 9370/0F6P3V, BIOS 1.5.1 08/09/2018
RIP: 0010:kstrtoull+0x2/0x20
Code: 28 00 00 00 75 17 48 83 c4 18 5b 41 5c 5d c3 b8 ea ff ff ff eb e1 b8 de ff ff ff eb da e8 d6 36 bb ff 66 0f 1f 44 00 00 31 c0 <80> 3f 2b 55 48 89 e5 0f 94 c0 48 01 c7 e8 5c ff ff ff 5d c3 66 2e
RSP: 0018:ffffb5d482e57cb8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff82b12720
RDX: ffffb5d482e57cf8 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffb5d482e57d70 R08: ffffa0c05e5a7080 R09: ffffa0c05e003980
R10: 0000000000000000 R11: 0000000040000000 R12: ffffa0c04fe87b08
R13: 0000000000000001 R14: 000000000000000b R15: ffffa0c058d749e1
FS: 00007f137c7f7740(0000) GS:ffffa0c05e580000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000497d46004 CR4: 00000000003606e0
Call Trace:
? trace_kprobe_create+0xb6/0x840
? _cond_resched+0x19/0x40
? _cond_resched+0x19/0x40
? __kmalloc+0x62/0x210
? argv_split+0x8f/0x140
? trace_kprobe_create+0x840/0x840
? trace_kprobe_create+0x840/0x840
create_or_delete_trace_kprobe+0x11/0x30
trace_run_command+0x50/0x90
trace_parse_run_command+0xc1/0x160
probes_write+0x10/0x20
__vfs_write+0x3a/0x1b0
? apparmor_file_permission+0x1a/0x20
? security_file_permission+0x31/0xf0
? _cond_resched+0x19/0x40
vfs_write+0xb1/0x1a0
ksys_write+0x55/0xc0
__x64_sys_write+0x1a/0x20
do_syscall_64+0x5a/0x120
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Fix by doing the proper argument checks in trace_kprobe_create().
Cc: Ingo Molnar <mingo@redhat.com>
Link: https://lore.kernel.org/lkml/20190111095108.b79a2ee026185cbd62365977@kernel.org
Link: http://lkml.kernel.org/r/20190111060113.GA22841@xps-13
Fixes:
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Ming Lei
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fe76fc6aaf |
sbitmap: Protect swap_lock from hardirq
Because we may call blk_mq_get_driver_tag() directly from
blk_mq_dispatch_rq_list() without holding any lock, then HARDIRQ may
come and the above DEADLOCK is triggered.
Commit ab53dcfb3e7b ("sbitmap: Protect swap_lock from hardirq") tries to
fix this issue by using 'spin_lock_bh', which isn't enough because we
complete request from hardirq context direclty in case of multiqueue.
Cc: Clark Williams <williams@redhat.com>
Fixes: ab53dcfb3e7b ("sbitmap: Protect swap_lock from hardirq")
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Steven Rostedt (VMware)
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3719876809 |
sbitmap: Protect swap_lock from softirqs
The swap_lock used by sbitmap has a chain with locks taken from softirq, but the swap_lock is not protected from being preempted by softirqs. A chain exists of: sbq->ws[i].wait -> dispatch_wait_lock -> swap_lock Where the sbq->ws[i].wait lock can be taken from softirq context, which means all locks below it in the chain must also be protected from softirqs. Reported-by: Clark Williams <williams@redhat.com> Fixes: |
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Linus Torvalds
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c962cb323e |
GPIO fixes for the v5.0 series:
- Get rid of some WARN_ON() from the ACPI code - Staticize a symbol - Fix MMC polarity detection -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJcPEajAAoJEEEQszewGV1zUEEP/jW6tRnSQlH2TXsn+9ljH3Q4 y8LicXEK1QTeP8TlJ9ZUQr8Vgy24hzekUy65euDyyGnXCocTS+UCWY7hznU+O1BX Q67WrrtgOaqrkxNTYP6HBzUdJ7yza5rw4kWf8qwKQtP/giyMx+XXjzv849YHfqkv E903+cLhNBtRafq756qV+6RJg7C7vhGhMabGny/PTkjtrD6NmkIl/A3qVGFLo/Zu Kfwn7gpIMiXJyN2GFC8S5seESwuaZKQ2gFfdYZD2k5yTM+YvWockZjhzMMkE5OE3 RmffBw2RNWvqAZvv3PxH42AQSqKtBCaJOu2f8fGdKY/IG/Z5g4i9jAIFgh+C0P1P l3ySji03POdvKR7dZmsqLAyMsVEppV101l6bVhkqDf99GBSlr9mPW42w2jlYdWAu eVM6Wtkn6ssuOp3Da47Burk7dVoSo+eqRwzZkLB2TgY2oLhXyk+798e71XFnEv5G TlY3D4n7/ozfbrN2cZX3pbXowc3RoMt9JuUnQAulO/Zjd1yoNy2lkb10mM+iIm2z X1mNP9H5TlBLgS9QIL2Ng7DOJXO3av2UjfPENJ4yvufzjEtrGf2N9SXx7QYDDlFh 5DZV/ZFT6iKkzhi/9sWYFCQf83+57tzea/KMzPT2Xt+n8Xbb5Ub2bM17tgdOu5m/ QShDJGrEeGvxqJsGRWsc =kS/C -----END PGP SIGNATURE----- Merge tag 'gpio-v5.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO fixes from Linus Walleij: "The patch hitting the MMC/SD subsystem is fixing up my own mess when moving semantics from MMC/SD over to gpiolib. Ulf is on vacation but I managed to reach him on chat and obtain his ACK. The other two are early-rc fixes that are not super serious but pretty annoying so I'd like to get rid of them. Summary: - Get rid of some WARN_ON() from the ACPI code - Staticize a symbol - Fix MMC polarity detection" * tag 'gpio-v5.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: mmc: core: don't override the CD GPIO level when "cd-inverted" is set gpio: pca953x: Make symbol 'pca953x_i2c_regmap' static gpiolib-acpi: Remove unnecessary WARN_ON from acpi_gpiochip_free_interrupts |
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Linus Torvalds
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9deb9e1637 |
- New Device Support
- Add support for Power Supply to AXP813
- Add support for GPIO, ADC, AC and Battery Power Supply to AXP803
- Add support for UART to Exynos LPASS
- Fix-ups
- Use supplied MACROS; ti_am335x_tscadc
- Trivial spelling/whitespace/alignment; tmio, axp20x, rave-sp
- Regmap changes; bd9571mwv, wm5110-tables
- Kconfig dependencies; MFD_AT91_USART
- Supply shared data for child-devices; madera-core
- Use new of_node_name_eq() API call; max77620, stmpe
- Use managed resources (devm_*); tps65218
- Comment descriptions; ingenic-tcu
- Coding style; madera-core
- Bug Fixes
- Fix section mismatches; twl-core, db8500-prcmu
- Correct error path related issues; mt6397-core, ab8500-core, mc13xxx-core
- IRQ related fixes; tps6586x
- Ensure proper initialisation sequence; qcom_rpm
- Repair potential memory leak; cros_ec_dev
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Merge tag 'mfd-next-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Device Support
- Add support for Power Supply to AXP813
- Add support for GPIO, ADC, AC and Battery Power Supply to AXP803
- Add support for UART to Exynos LPASS
Fix-ups:
- Use supplied MACROS; ti_am335x_tscadc
- Trivial spelling/whitespace/alignment; tmio, axp20x, rave-sp
- Regmap changes; bd9571mwv, wm5110-tables
- Kconfig dependencies; MFD_AT91_USART
- Supply shared data for child-devices; madera-core
- Use new of_node_name_eq() API call; max77620, stmpe
- Use managed resources (devm_*); tps65218
- Comment descriptions; ingenic-tcu
- Coding style; madera-core
Bug Fixes:
- Fix section mismatches; twl-core, db8500-prcmu
- Correct error path related issues; mt6397-core, ab8500-core, mc13xxx-core
- IRQ related fixes; tps6586x
- Ensure proper initialisation sequence; qcom_rpm
- Repair potential memory leak; cros_ec_dev"
* tag 'mfd-next-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (25 commits)
mfd: exynos-lpass: Enable UART module support
mfd: mc13xxx: Fix a missing check of a register-read failure
mfd: cros_ec: Add commands to control codec
mfd: madera: Remove spurious semicolon in while loop
mfd: rave-sp: Fix typo in rave_sp_checksum comment
mfd: ingenic-tcu: Fix bit field description in header
mfd: tps65218: Use devm_regmap_add_irq_chip and clean up error path in probe()
mfd: Use of_node_name_eq() for node name comparisons
mfd: cros_ec_dev: Add missing mfd_remove_devices() call in remove
mfd: axp20x: Add supported cells for AXP803
mfd: axp20x: Re-align MFD cell entries
mfd: axp20x: Add AC power supply cell for AXP813
mfd: wm5110: Add missing ASRC rate register
mfd: qcom_rpm: write fw_version to CTRL_REG
mfd: tps6586x: Handle interrupts on suspend
mfd: madera: Add shared data for accessory detection
mfd: at91-usart: Add platform dependency
mfd: bd9571mwv: Add volatile register to make DVFS work
mfd: ab8500-core: Return zero in get_register_interruptible()
mfd: tmio: Typo s/use use/use/
...
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Linus Torvalds
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3a73e73a10 |
- Fix-ups
- Use new of_node_name_eq() API call;
- Bug Fixes
- Internally track 'enabled' state; pwm_bl
- Fix auto-generated brightness tables parsed by DT; pwm_bl
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Merge tag 'backlight-next-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"Fix-ups:
- Use new of_node_name_eq() API call
Bug Fixes:
- Internally track 'enabled' state in pwm_bl
- Fix auto-generated pwm_bl brightness tables parsed by DT
* tag 'backlight-next-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: 88pm860x_bl: Use of_node_name_eq for node name comparisons
backlight: pwm_bl: Fix devicetree parsing with auto-generated brightness tables
backlight: pwm_bl: Re-add driver internal enabled tracking
|
|
|
Henry Yen
|
2314e87974 |
netfilter: nft_flow_offload: fix checking method of conntrack helper
This patch uses nfct_help() to detect whether an established connection needs conntrack helper instead of using test_bit(IPS_HELPER_BIT, &ct->status). The reason is that IPS_HELPER_BIT is only set when using explicit CT target. However, in the case that a device enables conntrack helper via command "echo 1 > /proc/sys/net/netfilter/nf_conntrack_helper", the status of IPS_HELPER_BIT will not present any change, and consequently it loses the checking ability in the context. Signed-off-by: Henry Yen <henry.yen@mediatek.com> Reviewed-by: Ryder Lee <ryder.lee@mediatek.com> Tested-by: John Crispin <john@phrozen.org> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> |
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Linus Torvalds
|
1c7fc5cbc3 | Linux 5.0-rc2 | |
|
Jonathan Neuschäfer
|
b7285b4253 |
kernel/sys.c: Clarify that UNAME26 does not generate unique versions anymore
UNAME26 is a mechanism to report Linux's version as 2.6.x, for compatibility with old/broken software. Due to the way it is implemented, it would have to be updated after 5.0, to keep the resulting versions unique. Linus Torvalds argued: "Do we actually need this? I'd rather let it bitrot, and just let it return random versions. It will just start again at 2.4.60, won't it? Anybody who uses UNAME26 for a 5.x kernel might as well think it's still 4.x. The user space is so old that it can't possibly care about differences between 4.x and 5.x, can it? The only thing that matters is that it shows "2.4.<largeenough>", which it will do regardless" Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Linus Torvalds
|
dbc3c09b81 |
ARM: SoC fixes
A bigger batch than I anticipated this week, for two reasons:
- Some fallout on Davinci from board file -> DTB conversion, that also
includes a few longer-standing fixes (i.e. not recent regressions).
- drivers/reset material that has been in linux-next for a while, but
didn't get sent to us until now for a variety of reasons (maintainer out
sick, holidays, etc). There's a functional dependency in there such that
one platform (Altera's SoCFPGA) won't boot without one of the patches;
instead of reverting the patch that got merged, I looked at this set
and decided it was small enough that I'll pick it up anyway. If you
disagree I can revisit with a smaller set.
That being said, there's also a handful of the usual stuff:
- Fix for a crash on Armada 7K/8K when the kernel touches PSCI-reserved
memory
- Fix for PCIe reset on Macchiatobin (Armada 8K development board, what
this email is sent from in fact :)
- Enable a few new-merged modules for Amlogic in arm64 defconfig
- Error path fixes on Integrator
- Build fix for Renesas and Qualcomm
- Initialization fix for Renesas RZ/G2E
+ A few more fixlets.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A bigger batch than I anticipated this week, for two reasons:
- Some fallout on Davinci from board file -> DTB conversion, that
also includes a few longer-standing fixes (i.e. not recent
regressions).
- drivers/reset material that has been in linux-next for a while, but
didn't get sent to us until now for a variety of reasons
(maintainer out sick, holidays, etc). There's a functional
dependency in there such that one platform (Altera's SoCFPGA) won't
boot without one of the patches; instead of reverting the patch
that got merged, I looked at this set and decided it was small
enough that I'll pick it up anyway. If you disagree I can revisit
with a smaller set.
That being said, there's also a handful of the usual stuff:
- Fix for a crash on Armada 7K/8K when the kernel touches
PSCI-reserved memory
- Fix for PCIe reset on Macchiatobin (Armada 8K development board,
what this email is sent from in fact :)
- Enable a few new-merged modules for Amlogic in arm64 defconfig
- Error path fixes on Integrator
- Build fix for Renesas and Qualcomm
- Initialization fix for Renesas RZ/G2E
.. plus a few more fixlets"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (28 commits)
ARM: integrator: impd1: use struct_size() in devm_kzalloc()
qcom-scm: Include <linux/err.h> header
gpio: pl061: handle failed allocations
ARM: dts: kirkwood: Fix polarity of GPIO fan lines
arm64: dts: marvell: mcbin: fix PCIe reset signal
arm64: dts: marvell: armada-ap806: reserve PSCI area
ARM: dts: da850-lcdk: Correct the sound card name
ARM: dts: da850-lcdk: Correct the audio codec regulators
ARM: dts: da850-evm: Correct the sound card name
ARM: dts: da850-evm: Correct the audio codec regulators
ARM: davinci: omapl138-hawk: fix label names in GPIO lookup entries
ARM: davinci: dm644x-evm: fix label names in GPIO lookup entries
ARM: davinci: dm355-evm: fix label names in GPIO lookup entries
ARM: davinci: da850-evm: fix label names in GPIO lookup entries
ARM: davinci: da830-evm: fix label names in GPIO lookup entries
arm64: defconfig: enable modules for amlogic s400 sound card
reset: uniphier-glue: Add AHCI reset control support in glue layer
dt-bindings: reset: uniphier: Add AHCI core reset description
reset: uniphier-usb3: Rename to reset-uniphier-glue
dt-bindings: reset: uniphier: Replace the expression of USB3 with generic peripherals
...
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Linus Torvalds
|
6b529fb0a3 |
for-5.0-rc1-tag
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Linus Torvalds
|
72d657dd21 |
Driver core fixes for 5.0-rc2
Here is one small sysfs change, and a documentation update for 5.0-rc2 The sysfs change moves from using BUG_ON to WARN_ON, as discussed in an email thread on lkml while trying to track down another driver bug. sysfs should not be crashing and preventing people from seeing where they went wrong. Now it properly recovers and warns the developer. The documentation update removes the use of BUS_ATTR() as the kernel is moving away from this to use the specific BUS_ATTR_RW() and friends instead. There are pending patches in all of the different subsystems to remove the last users of this macro, but for now, don't advertise it should be used anymore to keep new ones from being introduced. Both have been in linux-next with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCXDsRFA8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ynbgACfTY/rAZpWTgMdPDfoOmF+s/XHQXsAoJKZ+v+f Tpkcw76Wo1ESpPLuT1u1 =W0D+ -----END PGP SIGNATURE----- Merge tag 'driver-core-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core fixes from Greg KH: "Here is one small sysfs change, and a documentation update for 5.0-rc2 The sysfs change moves from using BUG_ON to WARN_ON, as discussed in an email thread on lkml while trying to track down another driver bug. sysfs should not be crashing and preventing people from seeing where they went wrong. Now it properly recovers and warns the developer. The documentation update removes the use of BUS_ATTR() as the kernel is moving away from this to use the specific BUS_ATTR_RW() and friends instead. There are pending patches in all of the different subsystems to remove the last users of this macro, but for now, don't advertise it should be used anymore to keep new ones from being introduced. Both have been in linux-next with no reported issues" * tag 'driver-core-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: Documentation: driver core: remove use of BUS_ATTR sysfs: convert BUG_ON to WARN_ON |
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Linus Torvalds
|
f7c1038bc7 |
Staging driver fixes for 5.0-rc2
Here are some small staging driver fixes for some reported issues. One reverts a patch that was made to the rtl8723bs driver that turned out to not be needed at all as it was a bug in clang. The others fix up some reported issues in the rtl8188eu driver and update the MAINTAINERS file to point to Larry for this driver so he can get the bug reports easier. All have been in linux-next with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCXDsPnQ8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ympdgCfVGVVapWxNgyjKe0oZNFQpF+bMAsAoNXmPbcd 8ETJe7SzfNH6mjmnw80F =LZmR -----END PGP SIGNATURE----- Merge tag 'staging-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging driver fixes from Greg KH: "Here are some small staging driver fixes for some reported issues. One reverts a patch that was made to the rtl8723bs driver that turned out to not be needed at all as it was a bug in clang. The others fix up some reported issues in the rtl8188eu driver and update the MAINTAINERS file to point to Larry for this driver so he can get the bug reports easier. All have been in linux-next with no reported issues" * tag 'staging-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: Revert "staging: rtl8723bs: Mark ACPI table declaration as used" staging: rtl8188eu: Fix module loading from tasklet for WEP encryption staging: rtl8188eu: Fix module loading from tasklet for CCMP encryption MAINTAINERS: Add entry for staging driver r8188eu |
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Linus Torvalds
|
437e878a6c |
tty/serial fixes for 5.0-rc2
Here are 2 tty and serial fixes for 5.0-rc2 that resolve some reported issues. The first is a simple serial driver fix for a regression that showed up in 5.0-rc1. The second one resolves a number of reported issues with the recent tty locking fixes that went into 5.0-rc1. Lots of people have tested the second one and say it resolves their issues. Both have been in linux-next with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCXDsOzA8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+yl8OACgg3KREaqF3vizmxVr3xzKk2xG7x0An28XJcYA z95ZRO/BuSATH1kTM36D =p+SA -----END PGP SIGNATURE----- Merge tag 'tty-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial fixes from Greg KH: "Here are 2 tty and serial fixes for 5.0-rc2 that resolve some reported issues. The first is a simple serial driver fix for a regression that showed up in 5.0-rc1. The second one resolves a number of reported issues with the recent tty locking fixes that went into 5.0-rc1. Lots of people have tested the second one and say it resolves their issues. Both have been in linux-next with no reported issues" * tag 'tty-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: tty: Don't hold ldisc lock in tty_reopen() if ldisc present serial: lantiq: Do not swap register read/writes |
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Linus Torvalds
|
1dd8a3f6c6 |
USB fixes for 5.0-rc2
Here are some small USB driver fixes and quirk updates for 5.0-rc2. The majority here are some quirks for some storage devices to get them to work properly. There's also a fix here to resolve the reported issues with some audio devices that say they are UAC3 compliant, but really are not. And a fix up for the MAINTAINERS file to remove a dead url. All have been in linux-next with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCXDsQMA8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ykM2wCgzC1E5NUpoCqPZHaYQ/0LNLm6SaEAoIbebWBo rl39FeUBmPJLTmKD0pFX =4K55 -----END PGP SIGNATURE----- Merge tag 'usb-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here are some small USB driver fixes and quirk updates for 5.0-rc2. The majority here are some quirks for some storage devices to get them to work properly. There's also a fix here to resolve the reported issues with some audio devices that say they are UAC3 compliant, but really are not. And a fix up for the MAINTAINERS file to remove a dead url. All have been in linux-next with no reported issues" * tag 'usb-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: storage: Remove outdated URL from MAINTAINERS USB: Add USB_QUIRK_DELAY_CTRL_MSG quirk for Corsair K70 RGB usbcore: Select only first configuration for non-UAC3 compliant devices USB: storage: add quirk for SMI SM3350 USB: storage: don't insert sane sense for SPC3+ when bad sense specified usb: cdc-acm: send ZLP for Telit 3G Intel based modems |
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Linus Torvalds
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0f9d140a56 |
a set of cifs/smb3 fixes, 4 for stable, most from Pavel. His patches fix an important set of crediting (flow control) problems, and also two problems in cifs_writepages, ddressing some large i/o and also compounding issues
-----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEE6fsu8pdIjtWE/DpLiiy9cAdyT1EFAlw6VMAACgkQiiy9cAdy T1GA4AwAiLxAK9gYkv7oCi4xkr+GeDr9/J0R4JZOglXrJQfbEDAgejpTqIVOeiTW n2fDEe4JCj3Dk9VnhGIAcV3Lyp5pcXuiqKwBJsxlJIIM81rDa98K8NgpJqjFDt1P QEsGHijO7/5rlefnMPUy0YrFdoGr9ZjDEYDx2RdTkuRAX2rqLI02ytqyB6AHMjSM zx5Ck1JdltrZa9vN1k2QoUW92FLrHWHDQM6ooRTiTv1n5v3CtVCFNFEUD9AWCdKy APFXva3cWPAh6Dvsh6Qtryn2WdSfDdy69iiqfkBrDaaLsJC0oCogK9TsQOL66Szu onpXQROqxvOA0UoyJJgRaDhRjGzRLglChpitS9ps4ZqziXRMpKBsn9SzaZiJ3Jna /u5Pv5CFr4JkXRnvLAx2h6coZ+FyfVmSgxtoCU+tdn8G0t2AXl7swUw2e2UX7k4y FR20/w0hA9pDVSlrY1Z+Yg7TCZLS5677+6xFo+b+rnF6VW8XZQc/2F9MYlxyGAj5 30R/Q0ck =410H -----END PGP SIGNATURE----- Merge tag '5.0-rc1-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6 Pull cifs fixes from Steve French: "A set of cifs/smb3 fixes, 4 for stable, most from Pavel. His patches fix an important set of crediting (flow control) problems, and also two problems in cifs_writepages, ddressing some large i/o and also compounding issues" * tag '5.0-rc1-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6: cifs: update internal module version number CIFS: Fix error paths in writeback code CIFS: Move credit processing to mid callbacks for SMB3 CIFS: Fix credits calculation for cancelled requests cifs: Fix potential OOB access of lock element array cifs: Limit memory used by lock request calls to a page cifs: move large array from stack to heap CIFS: Do not hide EINTR after sending network packets CIFS: Fix credit computation for compounded requests CIFS: Do not set credits to 1 if the server didn't grant anything CIFS: Fix adjustment of credits for MTU requests cifs: Fix a tiny potential memory leak cifs: Fix a debug message |
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Olof Johansson
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465612178b |
Late reset controller changes for v5.0
This adds missing deassert functionality to the ARC HSDK reset driver, fixes some indentation and grammar issues in the kernel docs, adds a helper to count the number of resets on a device for the non-DT case as well, adds an early reset driver for SoCFPGA and simple reset driver support for Stratix10, and generalizes the uniphier USB3 glue layer reset to also cover AHCI. -----BEGIN PGP SIGNATURE----- iI0EABYIADUWIQRRO6F6WdpH1R0vGibVhaclGDdiwAUCXDTOiBcccC56YWJlbEBw ZW5ndXRyb25peC5kZQAKCRDVhaclGDdiwMnMAP9u9pJr0g6t/8NwiDNQGYIupFMQ vH3hIUP7pwkELeN36AEAuFJG66r1Y96icDQCLn9x6vxwgTDmJGgGHM3CWEftsQI= =vFwq -----END PGP SIGNATURE----- Merge tag 'reset-for-5.0-rc2' of git://git.pengutronix.de/git/pza/linux into fixes Late reset controller changes for v5.0 This adds missing deassert functionality to the ARC HSDK reset driver, fixes some indentation and grammar issues in the kernel docs, adds a helper to count the number of resets on a device for the non-DT case as well, adds an early reset driver for SoCFPGA and simple reset driver support for Stratix10, and generalizes the uniphier USB3 glue layer reset to also cover AHCI. * tag 'reset-for-5.0-rc2' of git://git.pengutronix.de/git/pza/linux: reset: uniphier-glue: Add AHCI reset control support in glue layer dt-bindings: reset: uniphier: Add AHCI core reset description reset: uniphier-usb3: Rename to reset-uniphier-glue dt-bindings: reset: uniphier: Replace the expression of USB3 with generic peripherals ARM: socfpga: dts: document "altr,stratix10-rst-mgr" binding reset: socfpga: add an early reset driver for SoCFPGA reset: fix null pointer dereference on dev by dev_name reset: Add reset_control_get_count() reset: Improve reset controller kernel docs ARC: HSDK: improve reset driver Signed-off-by: Olof Johansson <olof@lixom.net> |
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Olof Johansson
|
56acb3ef76 |
mvebu fixes for 5.0
They are all device tree fixes which also worth being in stable:
- Reserve PSCI area on Armada 7K/8K preventing the kernel accessing
this area and crashing while doing it.
- Use correct PCIe reset signal on MACCHIATOBin (Armada 8040 based)
- Fix polarity of GPIO fan line D-Link DNS NASes(kikwood based)
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Merge tag 'mvebu-fixes-5.0-1' of git://git.infradead.org/linux-mvebu into fixes
mvebu fixes for 5.0
They are all device tree fixes which also worth being in stable:
- Reserve PSCI area on Armada 7K/8K preventing the kernel accessing
this area and crashing while doing it.
- Use correct PCIe reset signal on MACCHIATOBin (Armada 8040 based)
- Fix polarity of GPIO fan line D-Link DNS NASes(kikwood based)
* tag 'mvebu-fixes-5.0-1' of git://git.infradead.org/linux-mvebu:
ARM: dts: kirkwood: Fix polarity of GPIO fan lines
arm64: dts: marvell: mcbin: fix PCIe reset signal
arm64: dts: marvell: armada-ap806: reserve PSCI area
Signed-off-by: Olof Johansson <olof@lixom.net>
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Olof Johansson
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2ec472edcd |
Fixes for the Integrator:
- Handle failed allocations in the IM/PC bus attachment. - Use struct_size() for allocation. -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJcOLBYAAoJEEEQszewGV1z3WcQAMKbccIrX5DNX8q1Z2a2kCuh H3WNS1XxcTF2CfBseiK1TizQ6xpBLPrcN4aCRCsbv1rzo5YdhZgGlNYyX1rtLf9z 8CsRQSFjX7Tx/nrMqULjKfXfqqbXQeA1vPVR1p/FIod8hySmZ4zJbHCB33v4M3nz hcNJfxHZO/C4FkF1LHLMKNFGUOccf+ipr/n4o2FmTjFqmAvtR9vd9Y09fvsjiw7+ S8Bcy1ZPO2hbMSroLdv+7IgkRuiE6/53TNBbZwSrxOPg5vEhkl3Iq+L7COU0274l E/9xQcfGkrHpRBfuug0rUG5vS5reyk2qPTDOpneJT9811aRCzhJOsxdz/azTQsM6 e0LdDWxoOK28ZTKhbpE4ZKRXXNIc1E3famgnsw/g5AbWgQaownd7pBb3xPFYocnN Q+Uq9luYXqC/SFbR4skdUB7FHdMkf+flKrIvPJ3SLzQbesLBGXveUufRO+BuUemn aYy0oQsvzhwBwZIshZ6bf8FYmh+NWYyP4L+GLx9fwH0M8zwiZFzwmKJOgCy+xC05 /7Ip/N84rQI/9/7j7vYZD+n6RJQtl73T/G19oAgf8uuKD1BoYG3mMhfo7Ax2p82I bOte4RBLMOmQphPO5dQSgCwljJxFhT+Qr4oVkW0RwUx66St8SNN2ZYzo/KDMAkdK 1qUKIBNL/RGyTnCcq82g =KT88 -----END PGP SIGNATURE----- Merge tag 'integrator-fixes-armsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator into fixes Fixes for the Integrator: - Handle failed allocations in the IM/PC bus attachment. - Use struct_size() for allocation. * tag 'integrator-fixes-armsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator: ARM: integrator: impd1: use struct_size() in devm_kzalloc() gpio: pl061: handle failed allocations Signed-off-by: Olof Johansson <olof@lixom.net> |
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Olof Johansson
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431a8b73de |
Amlogic DT fixes for v5.0-rc
- arm64: defconfig: enable modules for amlogic s400 sound card -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEe4dGDhaSf6n1v/EMWTcYmtP7xmUFAlw33aQACgkQWTcYmtP7 xmUN0BAApkqLjZgPdhX8E6avu6xjY1cx36mRf0vN+PFmbPlhb4gHgFaBiZozS1mp KFk+/xwT7dWALbkeXpEQXiwf1bddW7YgR0XRMFyutpd02HDOP5lvVFcq+VGl+q3C bclAF5rL5hQhZEw1MP/fwJHrKDqrLgLTaNxWguIxsmlzkwptAtQQ0mC3oNoAleZA TfWT8eBDc4WOLR3VTL+CvR8LKwDqfQ7/Gm7gZwRolbUzmk/85WtlspbrTcqSTq/5 Bf7V+oRLNS7OExBU/fnBnWLD8mrNf2s5NHGBwyx3rFiFyCz2D4pinE3tqiqQVcag mqB85viURw49KkRA9rJXto9rCqjXeaiU5TnXcROrHTYGZkQYFH8W/uvoCDA+rvdD ZWFD1aFV6moCPO3dtNf2QSE7vggu9fFL0tJPiodxNCnSlqcL/xCznTKENmct/t/z PDQJ4IbVrrY/COQB7Lf6VZKhtQA3ksAG5FOycTeHVK9yNiJq8u+xAbYmr3Yec2QY rnZW4N4TCORxGWXcmwMBQtZZdxuWHx28gNQPwv1NkBo/UcTHW409ZCiv3uBvrmh3 J+tkgtue1eLONp/1/NNoBN1JmmY5kOty3tz57m9Wt2q+T9lQ9Z8eREvOfza0Y1TI kMB5ikv2wQNg09b0hGteeZla+shbAPGtzm1kYb6St15jkHSvy3k= =uG2R -----END PGP SIGNATURE----- Merge tag 'amlogic-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into fixes Amlogic DT fixes for v5.0-rc - arm64: defconfig: enable modules for amlogic s400 sound card * tag 'amlogic-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic: arm64: defconfig: enable modules for amlogic s400 sound card Signed-off-by: Olof Johansson <olof@lixom.net> |
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Olof Johansson
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f4f8aa6de3 |
Qualcomm Driver Fixes for 5.0-rc1
* Add required includes into qcom_scm.h -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJcN9AYAAoJEFKiBbHx2RXVt1YQAL5YRK5J6JTDgBhwrQnpq1XV 4IoJ9mMtbwLPAUTizjnFdkJeyaLvea+/B9mtLWYG2ET3WgxR7tWSKUwlzSxxOcyq nj23rdJt6kP0ltCqDqBTJ41i6qA6/Wb3IXAXX1fe57Jyg9iWOW3DjBlHZogN0yl9 0/RCW0vG5WJ1tO4idLmsjri2bfIZCoAxfrSZSXTBZmwQsbO4RtAPmpU/ZYW9IeTU NfHtnEd3YNzF9QiAGDvZ2v+mB8Yr3PZ4O3PottkfecxNTCZywz5V/7hBOmoDyhWX W5Fiwy8JBDg2Rc3zaiaXgAiMh4upxBQ1T4D1iGKB19y1aV2NFx3dZQFoyCfMrD84 r/cu0my///v/AU5MYoGju5f1Nx8yYvYlJ1aZ+OJ5Efq08/1VCeOUvy107PBH+jA9 nOxmILuXr4ft+k3NjtQ81gYyugXIy8YZIt4MLJoNEoOFDsKZ3lmuJjDdG+1uUqFo wUL76ZZuHhQiCtzfJYVTNc/ntxuDWUxnts+GfJB8bhfvv3MNaJPLwbs5lCXRAfCZ lI1F522x3s4pYxCFV/w50u5cyIyViaW/EZJ6ZIIPwRaAXrxdAxglhSNo6SJ4IRwG XGmdECejGmxZRXY6OcF+rZPzlF7QAD2ptVR3n4i2ij7ge7If5iPpIZWwLHQ7I25m PlqLCJoPAd9d999jIpuO =v8pH -----END PGP SIGNATURE----- Merge tag 'qcom-fixes-for-5.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into fixes Qualcomm Driver Fixes for 5.0-rc1 * Add required includes into qcom_scm.h * tag 'qcom-fixes-for-5.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux: qcom-scm: Include <linux/err.h> header Signed-off-by: Olof Johansson <olof@lixom.net> |
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Olof Johansson
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98a5f67311 |
This pull request fixes some more regressions on legacy
DaVinci board support due to GPIO driver clean-up introduced in v4.20 kernel. These are marked for stable. Also has fixes for some long standing Audio issues on DA850 boards. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJcN0VpAAoJEGFBu2jqvgRNbQUP/ih8PLa5XdRwBEDPNP+qvN0R oalwzzaJ/Bx04+ZrpFiUWSb49gxnwfKjSXSpI/dczuzYUR/DKobUnghaH9J/RvGL EaAXRBgVzukXIbEwcXVyG5nJ/FaIjZs4xdwcd9iJXy3j0NZVFk8LX5aEMRL4pmC0 zVpHk2yKvygXWetod1z965x3FRTeYIFPksv63CfyON+P8gd9wB0/myWL/nVuGbYE WAM+7b4TqlfI6fUI3fkHlaTV+gxd4fBzbCBcP/K4FKsSELHxnsm1SDyRNB+ZS+hT jDa2In8wuec7IjTiC5nYzFVSv1EV6nk5977AsAY1JP82xWNHB3XGVkxTv/Btw4Vv 0VdHjpM7Sb+yo38kwbgS5oF5bAXCwLq5FG4I+K2AJfXy1K76hbgbiSXsYQJaO2NI E0di4Rlh5CJxMYg7/bu2Ox5s8Eku0y18IvOqYybat9C0rxEmI8jyC5g6OjO9iLZu NKpaUdjCv0+ZYtdFkSw9Ke4DdxZaaAyvMk/UdX55+JF2G1Ey5FgxcxcMcavrg1fB r7dDGIp08MCSRTO9PdLtO/rsvOkV0wukIIlcXaMWxplrDsOpKm44gDkrWNC3awiI 7/K8QB8IlJB1PJs1d1YhRT9K/WUZZcn/DIlTIWOrbmJwbik0K4iwqK8dpMbQ7tQm SWiC89UI+5Yv+LVWDCNO =iyBf -----END PGP SIGNATURE----- Merge tag 'davinci-fixes-for-v5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into fixes This pull request fixes some more regressions on legacy DaVinci board support due to GPIO driver clean-up introduced in v4.20 kernel. These are marked for stable. Also has fixes for some long standing Audio issues on DA850 boards. * tag 'davinci-fixes-for-v5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci: ARM: dts: da850-lcdk: Correct the sound card name ARM: dts: da850-lcdk: Correct the audio codec regulators ARM: dts: da850-evm: Correct the sound card name ARM: dts: da850-evm: Correct the audio codec regulators ARM: davinci: omapl138-hawk: fix label names in GPIO lookup entries ARM: davinci: dm644x-evm: fix label names in GPIO lookup entries ARM: davinci: dm355-evm: fix label names in GPIO lookup entries ARM: davinci: da850-evm: fix label names in GPIO lookup entries ARM: davinci: da830-evm: fix label names in GPIO lookup entries Signed-off-by: Olof Johansson <olof@lixom.net> |
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Olof Johansson
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70bf439a94 |
Renesas ARM Based SoC Fixes for v5.0
Renesas SoCs:
* Fix build regressions caused by move of Kconfig symbols
RZ/G2E (r8a774c0) SoC:
* Correct initialization order of 3DG-{A,B} in SYSC driver
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Merge tag 'renesas-fixes-for-v5.0' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes
Renesas ARM Based SoC Fixes for v5.0
Renesas SoCs:
* Fix build regressions caused by move of Kconfig symbols
RZ/G2E (r8a774c0) SoC:
* Correct initialization order of 3DG-{A,B} in SYSC driver
* tag 'renesas-fixes-for-v5.0' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
soc: renesas: r8a774c0-sysc: Fix initialization order of 3DG-{A,B}
ARM: shmobile: fix build regressions
Signed-off-by: Olof Johansson <olof@lixom.net>
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John Hubbard
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e170672040 |
phy: fix build breakage: add PHY_MODE_SATA
Commit |
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Linus Torvalds
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b8c3b8992f |
for-linus-20190112
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Merge tag 'for-linus-20190112' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- NVMe pull request from Christoph, with little fixes all over the map
- Loop caching fix for offset/bs change (Jaegeuk Kim)
- Block documentation tweaks (Jeff, Jon, Weiping, John)
- null_blk zoned tweak (John)
- ahch mvebu suspend/resume support. Should have gone into the merge
window, but there was some confusion on which tree had it. (Miquel)
* tag 'for-linus-20190112' of git://git.kernel.dk/linux-block: (22 commits)
ata: ahci: mvebu: request PHY suspend/resume for Armada 3700
ata: ahci: mvebu: add Armada 3700 initialization needed for S2RAM
ata: ahci: mvebu: do Armada 38x configuration only on relevant SoCs
ata: ahci: mvebu: remove stale comment
ata: libahci_platform: comply to PHY framework
loop: drop caches if offset or block_size are changed
block: fix kerneldoc comment for blk_attempt_plug_merge()
nvme: don't initlialize ctrl->cntlid twice
nvme: introduce NVME_QUIRK_IGNORE_DEV_SUBNQN
nvme: pad fake subsys NQN vid and ssvid with zeros
nvme-multipath: zero out ANA log buffer
nvme-fabrics: unset write/poll queues for discovery controllers
nvme-tcp: don't ask if controller is fabrics
nvme-tcp: remove dead code
nvme-pci: fix out of bounds access in nvme_cqe_pending
nvme-pci: rerun irq setup on IO queue init errors
nvme-pci: use the same attributes when freeing host_mem_desc_bufs.
nvme-pci: fix the wrong setting of nr_maps
block: doc: add slice_idle_us to bfq documentation
block: clarify documentation for blk_{start|finish}_plug
...
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Linus Torvalds
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66c56cfa64 |
remove dma_zalloc_coherent
We've always had a weird situation around dma_zalloc_coherent. To safely support mapping the allocations to userspace major architectures like x86 and arm have always zeroed allocations from dma_alloc_coherent, but a couple other architectures were missing that zeroing either always or in corner cases. Then later we grew anothe dma_zalloc_coherent interface to explicitly request zeroing, but that just added __GFP_ZERO to the allocation flags, which for some allocators that didn't end up using the page allocator ended up being a no-op and still not zeroing the allocations. So for this merge window I fixed up all remaining architectures to zero the memory in dma_alloc_coherent, and made dma_zalloc_coherent a no-op wrapper around dma_alloc_coherent, which fixes all of the above issues. dma_zalloc_coherent is now pointless and can go away, and Luis helped me writing a cocchinelle script and patch series to kill it, which I think we should apply now just after -rc1 to finally settle these issue. -----BEGIN PGP SIGNATURE----- iQI/BAABCgApFiEEgdbnc3r/njty3Iq9D55TZVIEUYMFAlw6LV0LHGhjaEBsc3Qu ZGUACgkQD55TZVIEUYPd1hAAshbVLVIUg750CQoKD5sk44/IW7klkQUnzcp9ueOY /GIYS/ils8q9DSITAyMJxHKpjt1EEVlavWLvYLlfpkDfLaVGMUJu+zKGaolhU5F6 OuldJKZV6tWrC7zGVl+09y5CAyelVxLyuD09I+QYnHUIO9ljgZHB2+W3ezOFxBRD FjrQRuFY6Xpr1F42zWc4aJrgACffH761pLx3fbJlIs8aEInWKqDbuyL6Lg71BRXh kHKt0DQxFxklyQmqaYyDesujjXUysweAFLNxgN9GSrlWBR8GE3qJpsSrIzjX5k8w WKzbypYqVQepI3zYCN5EoCAoiHBFZXPSNHCoXAH6tHjYwgQ3uoDpzxEKJOEykO4i 1+kcJh3ArQZA/BsMBf3I/CNMsxvBuC3/QKFMcs/7pKx1ABoumSBSIpqB4pG4NU+o fxRBHKjqbILufWKReb2PuRXiPpddwuo0vg70U0FK2aWZrClRYEpBdExPKrBUAG34 WtQCGA0YFXV/kAgPPmOvnPlwpYM2ZrVLVl5Ct2diR5QaLee3o1GiStQm0LuspRzk HSzVyCYdKRxH4zkEBzKUn/PuyYLoMRyPP4PQ3R/xlQrFqvv6FeiGYnow89+1JpUp 2qWg5vU1aLM7/WXnyVGDED3T42eZREi/uMPQIADXqRIVC7e43/eKcLF06n0lIWh9 usg= =VIBB -----END PGP SIGNATURE----- Merge tag 'remove-dma_zalloc_coherent-5.0' of git://git.infradead.org/users/hch/dma-mapping Pull dma_zalloc_coherent() removal from Christoph Hellwig: "We've always had a weird situation around dma_zalloc_coherent. To safely support mapping the allocations to userspace major architectures like x86 and arm have always zeroed allocations from dma_alloc_coherent, but a couple other architectures were missing that zeroing either always or in corner cases. Then later we grew anothe dma_zalloc_coherent interface to explicitly request zeroing, but that just added __GFP_ZERO to the allocation flags, which for some allocators that didn't end up using the page allocator ended up being a no-op and still not zeroing the allocations. So for this merge window I fixed up all remaining architectures to zero the memory in dma_alloc_coherent, and made dma_zalloc_coherent a no-op wrapper around dma_alloc_coherent, which fixes all of the above issues. dma_zalloc_coherent is now pointless and can go away, and Luis helped me writing a cocchinelle script and patch series to kill it, which I think we should apply now just after -rc1 to finally settle these issue" * tag 'remove-dma_zalloc_coherent-5.0' of git://git.infradead.org/users/hch/dma-mapping: dma-mapping: remove dma_zalloc_coherent() cross-tree: phase out dma_zalloc_coherent() on headers cross-tree: phase out dma_zalloc_coherent() |
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David S. Miller
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2f960bd056 |
Merge branch 'bnxt_en-Bug-fixes-for-57500-chips'
Michael Chan says: ==================== bnxt_en: Bug fixes for 57500 chips. Two small bug fixes for ring checking and context memory allocation that affect the new 57500 chips. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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Michael Chan
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6ef982dec7 |
bnxt_en: Fix context memory allocation.
When allocating memory pages for context memory, if the last page table
should be fully populated, the current code will set nr_pages to 0 when
calling bnxt_alloc_ctx_mem_blk(). This will cause the last page table
to be completely blank and causing some RDMA failures.
Fix it by setting the last page table's nr_pages to the remainder only
if it is non-zero.
Fixes:
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Michael Chan
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0b815023a1 |
bnxt_en: Fix ring checking logic on 57500 chips.
In bnxt_hwrm_check_pf_rings(), add the proper flag to test the NQ
resources. Without the proper flag, the firmware will change
the NQ resource allocation and remap the IRQ, causing missing
IRQs. This issue shows up when adding MQPRIO TX queues, for example.
Fixes:
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Linus Torvalds
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473348891c |
KVM fixes for 5.0-rc2
Minor fixes for new code, corner cases, and documentation. Patches are isolated and sufficiently described by the shortlog. -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEj/xJEkTHTJzZE/FJQP/qGw8qh+gFAlw52x0ACgkQQP/qGw8q h+iejgf+NjD3jXCYAxLtGInXyQEwqw113Gr8941oC2E50CifTqrFhWNkRgl+GyCS x92SCiNS1xpy+SnUZDj63MjsB90zOOogPG+RYsSE+BAN/i/9IiE2F5aYSXlen0rR SOOfraQTDlS5rOp9auGMNlNWkmEKCO6YEsdmlNte/QVNuy4vrHfAJDvdfCUiC0qO XJWMjIyZElsKJUtmZzKuTrCZniBvqn6yGH+/0kggrzDPPIHU+M7qSkMkAC7wqrFy 0zaeKNloArFLKlDQPQ3AykgxCrp6CJnXuR/Oo6R5rn9jF2kVdlzglx7pHBAc5OGp wI+VDWRA2x2JevWcIdsN2Xp2vaCRGw== =L1zP -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm Pull KVM fixes from Radim Krčmář: "Minor fixes for new code, corner cases, and documentation" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: x86/kvm/nVMX: don't skip emulated instruction twice when vmptr address is not backed Documentation/virtual/kvm: Update URL for AMD SEV API specification KVM/VMX: Avoid return error when flush tlb successfully in the hv_remote_flush_tlb_with_range() kvm: sev: Fail KVM_SEV_INIT if already initialized KVM: validate userspace input in kvm_clear_dirty_log_protect() KVM: x86: Fix bit shifting in update_intel_pt_cfg |
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Linus Torvalds
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7b5c8f5226 |
drm-fixes for 5.0-rc2, part 2
nouveau: one backlight, falcon register access, and a fan fix. i915: - Disable PSR for Apple panels - Broxton ERR_PTR error state fix - Kabylake VECS workaround fix - Unwind failure on pinning the gen7 ppgtt - GVT workload request allocation fix core: - Fix fb-helper to work correctly with SDL 1.2 bugs. - Fix lockdep warning in the atomic ioctl and setproperty. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEb4nG6jLu8Y5XI+PfTA9ye/CYqnEFAlw5IEcACgkQTA9ye/CY qnFrLw/9G9cEKiM9ZPspa5ovEi1S1lwUaKD5JWJckaLzbNIkDFDpfbV0X8An+IOt L0Db/cdtsBZ67Ci+QrUk60Zy36dFRChDafCP41U2nZtn5iel9v474fys13ZFwtWa znyvb5trPEB+76Sc3YDQuK2Aapr/NDowm993qkCJq8euQboFI6jfC7Ib/+zrsZjz 7OErdKVSkxPT8hEeQq6DkuB0hDMCvb9V/Gu0pzYn+Tb5ECl6ZTSSjf4bxhQ8qG6x P+rPQLcymgG+OhYuHn19rh1Y/3NPJnDN4lgZ5HOKVyvKIfjLGuZwriZ5e53sbgWw sjBD/9tSHSSRH3Taj4yVWw/XcwIH9YnUmaMAPe35bQmweYjMILlrkWEIGC+g4loi aebq66x2LWZ4tqiGu5flNfXPnLYJqnvaA8z4vEPdtwAN/JsrbRD3lUWkVV5Ydvdq KFQnrzCXuDWf8UjmW70utvkW+pxK155Xb/3IqivF8tpoz+jC+NeXqp7cts9gOJkj UZv842gymFJ0yQ3ZhjFJKc2aAe2eKtq8lJiCDzVA0uwg2ddebi2ttJTo6rH9ze58 XEhywCGptMKOOYsCDzzkqAGNTkOajd88d1/HCrwWeHW6SIfEfHPsYliC6O9ZzgLM xO1/JGF7PrlggtzM+rffVgh2lVFKQxErUZkPPkecUj42XjnX+is= =7xM2 -----END PGP SIGNATURE----- Merge tag 'drm-fixes-2019-01-11-1' of git://anongit.freedesktop.org/drm/drm Pull more drm fixes from Daniel Vetter: "Dave sends out his pull, everybody remembers holidays are over :-) Since Dave's already in weekend mode and it was quite a few patches I figured better to apply all the pulls and forward them to you. Hence here 2nd part of bugfixes for -rc2. nouveau: - backlight fix - falcon register access fix - fan fix. i915: - Disable PSR for Apple panels - Broxton ERR_PTR error state fix - Kabylake VECS workaround fix - Unwind failure on pinning the gen7 ppgtt - GVT workload request allocation fix core: - Fix fb-helper to work correctly with SDL 1.2 bugs - Fix lockdep warning in the atomic ioctl and setproperty" * tag 'drm-fixes-2019-01-11-1' of git://anongit.freedesktop.org/drm/drm: drm/nouveau/falcon: avoid touching registers if engine is off drm/nouveau: Don't disable polling in fallback mode drm/nouveau: register backlight on pascal and newer drm: Fix documentation generation for DP_DPCD_QUIRK_NO_PSR drm/i915: init per-engine WAs for all engines drm/i915: Unwind failure on pinning the gen7 ppgtt drm/i915: Skip the ERR_PTR error state drm/i915: Disable PSR in Apple panels gpu/drm: Fix lock held when returning to user space. drm/fb-helper: Ignore the value of fb_var_screeninfo.pixclock drm/fb-helper: Partially bring back workaround for bugs of SDL 1.2 drm/i915/gvt: Fix workload request allocation before request add |
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Gustavo A. R. Silva
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8d008e64a2 |
mISDN: hfcsusb: Use struct_size() in kzalloc()
One of the more common cases of allocation size calculations is finding the
size of a structure that has a zero-sized array at the end, along with memory
for some number of elements for that array. For example:
struct foo {
int stuff;
void *entry[];
};
instance = kzalloc(sizeof(struct foo) + sizeof(void *) * count, GFP_KERNEL);
Instead of leaving these open-coded and prone to type mistakes, we can now
use the new struct_size() helper:
instance = kzalloc(struct_size(instance, entry, count), GFP_KERNEL);
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Paolo Abeni
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41d1c8839e |
net: clear skb->tstamp in bridge forwarding path
Matteo reported forwarding issues inside the linux bridge, if the enslaved interfaces use the fq qdisc. Similar to commit |
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David S. Miller
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3f4261d4e6 |
Merge branch 'bpfilter-fixes'
Taehee Yoo says: ==================== net: bpfilter: fix two bugs in bpfilter This patches fix two bugs in the bpfilter_umh which are related in iptables command. The first patch adds an exit code for UMH process. This provides an opportunity to cleanup members of the umh_info to modules which use the UMH. In order to identify UMH processes, a new flag PF_UMH is added. The second patch makes the bpfilter_umh use UMH cleanup callback. The third patch adds re-start routine for the bpfilter_umh. The bpfilter_umh does not re-start after error occurred. because there is no re-start routine in the module. The fourth patch ensures that the bpfilter.ko module will not removed while it's being used. The bpfilter.ko is not protected by locks or module reference counter. Therefore that can be removed while module is being used. In order to protect that, mutex is used. The first and second patch are preparation patches for the third and fourth patch. TEST #1 while : do modprobe bpfilter kill -9 <pid of the bpfilter_umh> iptables -vnL done TEST #2 while : do iptables -I FORWARD -m string --string ap --algo kmp & iptables -F & modprobe -rv bpfilter & done TEST #3 while : do modprobe bpfilter & modprobe -rv bpfilter & done The TEST1 makes a failure of iptables command. This is fixed by the third patch. The TEST2 makes a panic because of a race condition in the bpfilter_umh module. This is fixed by the fourth patch. The TEST3 makes a double-create UMH process. This is fixed by the third and fourth patch. v4 : - declare the exit_umh() as static inline - check stop flag in the load_umh() to avoid a double-create UMH v3 : - Avoid unnecessary list lookup for non-UMH processes - Add a new PF_UMH flag v2 : add the first and second patch v1 : Initial patch ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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Taehee Yoo
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71a8508402 |
net: bpfilter: disallow to remove bpfilter module while being used
The bpfilter.ko module can be removed while functions of the bpfilter.ko
are executing. so panic can occurred. in order to protect that, locks can
be used. a bpfilter_lock protects routines in the
__bpfilter_process_sockopt() but it's not enough because __exit routine
can be executed concurrently.
Now, the bpfilter_umh can not run in parallel.
So, the module do not removed while it's being used and it do not
double-create UMH process.
The members of the umh_info and the bpfilter_umh_ops are protected by
the bpfilter_umh_ops.lock.
test commands:
while :
do
iptables -I FORWARD -m string --string ap --algo kmp &
modprobe -rv bpfilter &
done
splat looks like:
[ 298.623435] BUG: unable to handle kernel paging request at fffffbfff807440b
[ 298.628512] #PF error: [normal kernel read fault]
[ 298.633018] PGD 124327067 P4D 124327067 PUD 11c1a3067 PMD 119eb2067 PTE 0
[ 298.638859] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC KASAN PTI
[ 298.638859] CPU: 0 PID: 2997 Comm: iptables Not tainted 4.20.0+ #154
[ 298.638859] RIP: 0010:__mutex_lock+0x6b9/0x16a0
[ 298.638859] Code: c0 00 00 e8 89 82 ff ff 80 bd 8f fc ff ff 00 0f 85 d9 05 00 00 48 8b 85 80 fc ff ff 48 bf 00 00 00 00 00 fc ff df 48 c1 e8 03 <80> 3c 38 00 0f 85 1d 0e 00 00 48 8b 85 c8 fc ff ff 49 39 47 58 c6
[ 298.638859] RSP: 0018:ffff88810e7777a0 EFLAGS: 00010202
[ 298.638859] RAX: 1ffffffff807440b RBX: ffff888111bd4d80 RCX: 0000000000000000
[ 298.638859] RDX: 1ffff110235ff806 RSI: ffff888111bd5538 RDI: dffffc0000000000
[ 298.638859] RBP: ffff88810e777b30 R08: 0000000080000002 R09: 0000000000000000
[ 298.638859] R10: 0000000000000000 R11: 0000000000000000 R12: fffffbfff168a42c
[ 298.638859] R13: ffff888111bd4d80 R14: ffff8881040e9a05 R15: ffffffffc03a2000
[ 298.638859] FS: 00007f39e3758700(0000) GS:ffff88811ae00000(0000) knlGS:0000000000000000
[ 298.638859] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 298.638859] CR2: fffffbfff807440b CR3: 000000011243e000 CR4: 00000000001006f0
[ 298.638859] Call Trace:
[ 298.638859] ? mutex_lock_io_nested+0x1560/0x1560
[ 298.638859] ? kasan_kmalloc+0xa0/0xd0
[ 298.638859] ? kmem_cache_alloc+0x1c2/0x260
[ 298.638859] ? __alloc_file+0x92/0x3c0
[ 298.638859] ? alloc_empty_file+0x43/0x120
[ 298.638859] ? alloc_file_pseudo+0x220/0x330
[ 298.638859] ? sock_alloc_file+0x39/0x160
[ 298.638859] ? __sys_socket+0x113/0x1d0
[ 298.638859] ? __x64_sys_socket+0x6f/0xb0
[ 298.638859] ? do_syscall_64+0x138/0x560
[ 298.638859] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 298.638859] ? __alloc_file+0x92/0x3c0
[ 298.638859] ? init_object+0x6b/0x80
[ 298.638859] ? cyc2ns_read_end+0x10/0x10
[ 298.638859] ? cyc2ns_read_end+0x10/0x10
[ 298.638859] ? hlock_class+0x140/0x140
[ 298.638859] ? sched_clock_local+0xd4/0x140
[ 298.638859] ? sched_clock_local+0xd4/0x140
[ 298.638859] ? check_flags.part.37+0x440/0x440
[ 298.638859] ? __lock_acquire+0x4f90/0x4f90
[ 298.638859] ? set_rq_offline.part.89+0x140/0x140
[ ... ]
Fixes:
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Taehee Yoo
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61fbf5933d |
net: bpfilter: restart bpfilter_umh when error occurred
The bpfilter_umh will be stopped via __stop_umh() when the bpfilter
error occurred.
The bpfilter_umh() couldn't start again because there is no restart
routine.
The section of the bpfilter_umh_{start/end} is no longer .init.rodata
because these area should be reused in the restart routine. hence
the section name is changed to .bpfilter_umh.
The bpfilter_ops->start() is restart callback. it will be called when
bpfilter_umh is stopped.
The stop bit means bpfilter_umh is stopped. this bit is set by both
start and stop routine.
Before this patch,
Test commands:
$ iptables -vnL
$ kill -9 <pid of bpfilter_umh>
$ iptables -vnL
[ 480.045136] bpfilter: write fail -32
$ iptables -vnL
All iptables commands will fail.
After this patch,
Test commands:
$ iptables -vnL
$ kill -9 <pid of bpfilter_umh>
$ iptables -vnL
$ iptables -vnL
Now, all iptables commands will work.
Fixes:
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Taehee Yoo
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5b4cb650e5 |
net: bpfilter: use cleanup callback to release umh_info
Now, UMH process is killed, do_exit() calls the umh_info->cleanup callback to release members of the umh_info. This patch makes bpfilter_umh's cleanup routine to use the umh_info->cleanup callback. Signed-off-by: Taehee Yoo <ap420073@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Taehee Yoo
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73ab1cb2de |
umh: add exit routine for UMH process
A UMH process which is created by the fork_usermode_blob() such as bpfilter needs to release members of the umh_info when process is terminated. But the do_exit() does not release members of the umh_info. hence module which uses UMH needs own code to detect whether UMH process is terminated or not. But this implementation needs extra code for checking the status of UMH process. it eventually makes the code more complex. The new PF_UMH flag is added and it is used to identify UMH processes. The exit_umh() does not release members of the umh_info. Hence umh_info->cleanup callback should release both members of the umh_info and the private data. Suggested-by: David S. Miller <davem@davemloft.net> Signed-off-by: Taehee Yoo <ap420073@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Jia-Ju Bai
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2ff33d6637 |
isdn: i4l: isdn_tty: Fix some concurrency double-free bugs
The functions isdn_tty_tiocmset() and isdn_tty_set_termios() may be
concurrently executed.
isdn_tty_tiocmset
isdn_tty_modem_hup
line 719: kfree(info->dtmf_state);
line 721: kfree(info->silence_state);
line 723: kfree(info->adpcms);
line 725: kfree(info->adpcmr);
isdn_tty_set_termios
isdn_tty_modem_hup
line 719: kfree(info->dtmf_state);
line 721: kfree(info->silence_state);
line 723: kfree(info->adpcms);
line 725: kfree(info->adpcmr);
Thus, some concurrency double-free bugs may occur.
These possible bugs are found by a static tool written by myself and
my manual code review.
To fix these possible bugs, the mutex lock "modem_info_mutex" used in
isdn_tty_tiocmset() is added in isdn_tty_set_termios().
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Zha Bin
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7fbe078c37 |
vhost/vsock: fix vhost vsock cid hashing inconsistent
The vsock core only supports 32bit CID, but the Virtio-vsock spec define
CID (dst_cid and src_cid) as u64 and the upper 32bits is reserved as
zero. This inconsistency causes one bug in vhost vsock driver. The
scenarios is:
0. A hash table (vhost_vsock_hash) is used to map an CID to a vsock
object. And hash_min() is used to compute the hash key. hash_min() is
defined as:
(sizeof(val) <= 4 ? hash_32(val, bits) : hash_long(val, bits)).
That means the hash algorithm has dependency on the size of macro
argument 'val'.
0. In function vhost_vsock_set_cid(), a 64bit CID is passed to
hash_min() to compute the hash key when inserting a vsock object into
the hash table.
0. In function vhost_vsock_get(), a 32bit CID is passed to hash_min()
to compute the hash key when looking up a vsock for an CID.
Because the different size of the CID, hash_min() returns different hash
key, thus fails to look up the vsock object for an CID.
To fix this bug, we keep CID as u64 in the IOCTLs and virtio message
headers, but explicitly convert u64 to u32 when deal with the hash table
and vsock core.
Fixes:
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