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Shaohua Li 5f9d1fde7d raid5: fix memory leak of bio integrity data 
Yi reported a memory leak of raid5 with DIF/DIX enabled disks. raid5
doesn't alloc/free bio, instead it reuses bios. There are two issues in
current code:
1. the code calls bio_init (from
init_stripe->raid5_build_block->bio_init) then bio_reset (ops_run_io).
The bio is reused, so likely there is integrity data attached. bio_init
will clear a pointer to integrity data and makes bio_reset can't release
the data
2. bio_reset is called before dispatching bio. After bio is finished,
it's possible we don't free bio's integrity data (eg, we don't call
bio_reset again)
Both issues will cause memory leak. The patch moves bio_init to stripe
creation and bio_reset to bio end io. This will fix the two issues.

Reported-by: Yi Zhang <yizhan@redhat.com>
Signed-off-by: Shaohua Li <shli@fb.com>
 		2016-08-24 10:21:52 -07:00
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accessibility
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acpi Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-07-29 13:55:30 -07:00
amba
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android
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ata New LED class driver: 2016-07-27 14:03:52 -07:00
atm drivers: atm: nicstar: Use the correct function to free some resources 2016-07-19 11:30:26 -07:00
auxdisplay
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base mm: track NR_KERNEL_STACK in KiB instead of number of stacks 2016-07-28 16:07:41 -07:00
bcma wireless-drivers-next patches for 4.8 2016-07-25 11:09:19 -07:00
block libnvdimm for 4.8 2016-07-28 17:38:16 -07:00
bluetooth Bluetooth: btmrvl: reset is_suspending flag in failure path 2016-07-18 10:13:02 +02:00
bus DeviceTree update for 4.8: 2016-07-30 11:32:01 -07:00
cdrom cdrom: support read sub-channel command in LBA format 2016-07-12 08:24:50 -07:00
char Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2016-07-29 17:38:46 -07:00
clk Merge branch 'clk-fixes' into clk-next 2016-07-21 17:30:54 -07:00
clocksource clocksource/atlas7: Convert to hotplug state machine 2016-07-15 10:41:45 +02:00
connector
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cpufreq Power management material for v4.8-rc1 2016-07-26 17:29:07 -07:00
cpuidle cpuidle: introduce CPU_PM_CPU_IDLE_ENTER macro for ARM{32, 64} 2016-07-21 23:29:38 +02:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2016-07-26 13:40:17 -07:00
dax
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dca
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devfreq
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dio
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dma dmaengine updates for 4.8-rc1 2016-07-28 15:45:17 -07:00
dma-buf
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edac * Altera Arria10 ethernet FIFO buffer support (Thor Thayer) 2016-07-27 13:40:47 -07:00
eisa
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extcon
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firewire
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firmware xen: features and fixes for 4.8-rc0 2016-07-27 11:35:37 -07:00
fmc
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fpga
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gpio This is the bulk of GPIO changes for the v4.8 kernel cycle. 2016-07-26 19:16:01 -07:00
gpu Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-07-28 12:59:05 -07:00
hid Merge branch 'for-4.8/hid-led' into for-linus 2016-07-28 10:49:23 +02:00
hsi
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hv
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hwmon Merge branch 'i2c/for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2016-07-27 14:19:25 -07:00
hwspinlock
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hwtracing Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-07-29 13:55:30 -07:00
i2c Merge branch 'i2c/for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2016-07-27 14:19:25 -07:00
ide Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide 2016-07-29 13:29:06 -07:00
idle Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-07-30 12:56:26 -07:00
iio Third set of IIO new device support, features and cleanups for the 4.8 cycle. 2016-07-14 12:05:29 +09:00
infiniband Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-07-24 00:53:32 -04:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2016-07-27 14:30:41 -07:00
iommu DeviceTree update for 4.8: 2016-07-30 11:32:01 -07:00
ipack
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irqchip Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-07-29 13:55:30 -07:00
isdn
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leds Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-07-29 13:55:30 -07:00
lguest
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lightnvm block: get rid of bio_rw and READA 2016-07-20 17:37:01 -06:00
macintosh
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mailbox
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mcb
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md raid5: fix memory leak of bio integrity data 2016-08-24 10:21:52 -07:00
media media updates for v4.8-rc1 2016-07-27 14:58:31 -07:00
memory DeviceTree update for 4.8: 2016-07-30 11:32:01 -07:00
memstick memstick: don't allow REQ_TYPE_BLOCK_PC requests 2016-07-20 17:38:27 -06:00
message
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mfd Merge remote-tracking branches 'regulator/topic/qcom-spmi', 'regulator/topic/rn5t618', 'regulator/topic/tps65218' and 'regulator/topic/twl' into regulator-next 2016-07-20 18:02:08 +01:00
misc Merge branch 'i2c/for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2016-07-27 14:19:25 -07:00
mmc Merge branch 'for-4.8/drivers' of git://git.kernel.dk/linux-block 2016-07-26 15:37:51 -07:00
mtd Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2016-07-27 12:03:20 -07:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2016-07-27 12:03:20 -07:00
nfc NFC 4.8 pull request 2016-07-20 23:39:36 -07:00
ntb
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nubus
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nvdimm libnvdimm for 4.8 2016-07-28 17:38:16 -07:00
nvme Merge branch 'for-4.8/drivers' of git://git.kernel.dk/linux-block 2016-07-26 15:37:51 -07:00
nvmem
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of DeviceTree update for 4.8: 2016-07-30 11:32:01 -07:00
oprofile
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parisc
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parport
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pci Power management material for v4.8-rc1 2016-07-26 17:29:07 -07:00
pcmcia
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perf Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-07-29 13:55:30 -07:00
phy Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2016-07-27 12:03:20 -07:00
pinctrl This is the bulk of pin control changes for the v4.8 kernel cycle. 2016-07-28 17:06:51 -07:00
platform platform-drivers-x86 for 4.8-1 2016-07-26 17:23:08 -07:00
pnp PNP material for v4.8-rc1 2016-07-26 18:27:20 -07:00
power power supply and reset changes for the v4.8 series 2016-07-26 19:49:09 -07:00
powercap
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pps pps: do not crash when failed to register 2016-07-23 10:25:54 +09:00
ps3
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ptp
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pwm
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rapidio
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ras
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regulator Merge remote-tracking branches 'regulator/topic/qcom-spmi', 'regulator/topic/rn5t618', 'regulator/topic/tps65218' and 'regulator/topic/twl' into regulator-next 2016-07-20 18:02:08 +01:00
remoteproc remoteproc: qcom: hexagon: Clean up mpss validation 2016-07-14 20:11:36 -07:00
reset
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rpmsg
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rtc
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s390 libnvdimm for 4.8 2016-07-28 17:38:16 -07:00
sbus
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scsi Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2016-07-28 14:22:25 -07:00
sfi
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sh
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sn
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soc
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spi spi: Updates for v4.8 2016-07-27 14:11:43 -07:00
spmi
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ssb
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staging Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2016-07-29 15:54:19 -07:00
target Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2016-07-27 12:03:20 -07:00
tc
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thermal
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thunderbolt
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tty sparc: serial: sunhv: fix a double lock bug 2016-07-27 22:54:52 -07:00
uio
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usb Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2016-07-28 14:30:16 -07:00
uwb
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vfio vfio: platform: check reset call return code during release 2016-07-19 10:54:45 -06:00
vhost
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video fbmon: remove unused function argument 2016-07-26 16:19:19 -07:00
virt
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virtio mm: fix build warnings in <linux/compaction.h> 2016-07-26 16:19:19 -07:00
vlynq
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vme
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w1
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watchdog
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xen xen: features and fixes for 4.8-rc0 2016-07-27 11:35:37 -07:00
zorro
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Kconfig
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Makefile HSI changes for the v4.8 series 2016-07-27 15:18:53 -07:00