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Linus Torvalds 4c205c84e2 Keyrings fixes 
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Merge tag 'keys-fixes-20200329' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

Pull keyrings fixes from David Howells:
 "Here's a couple of patches that fix a circular dependency between
  holding key->sem and mm->mmap_sem when reading data from a key.

  One potential issue is that a filesystem looking to use a key inside,
  say, ->readpages() could deadlock if the key being read is the key
  that's required and the buffer the key is being read into is on a page
  that needs to be fetched.

  The case actually detected is a bit more involved - with a filesystem
  calling request_key() and locking the target keyring for write - which
  could be being read"

* tag 'keys-fixes-20200329' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
  KEYS: Avoid false positive ENOMEM error on key read
  KEYS: Don't write out to userspace while holding key semaphore
 		2020-04-04 12:24:47 -07:00
..
encrypted-keys KEYS: Don't write out to userspace while holding key semaphore 2020-03-29 12:40:41 +01:00
trusted-keys KEYS: Don't write out to userspace while holding key semaphore 2020-03-29 12:40:41 +01:00
Kconfig KEYS: remove CONFIG_KEYS_COMPAT 2019-12-12 23:41:17 +02:00
Makefile KEYS: remove CONFIG_KEYS_COMPAT 2019-12-12 23:41:17 +02:00
big_key.c KEYS: Don't write out to userspace while holding key semaphore 2020-03-29 12:40:41 +01:00
compat.c KEYS: remove CONFIG_KEYS_COMPAT 2019-12-12 23:41:17 +02:00
compat_dh.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
dh.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
gc.c Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs" 2019-07-10 18:43:43 -07:00
internal.h KEYS: Avoid false positive ENOMEM error on key read 2020-03-29 12:40:41 +01:00
key.c KEYS: reaching the keys quotas correctly 2020-03-15 20:59:50 +02:00
keyctl.c Keyrings fixes 2020-04-04 12:24:47 -07:00
keyctl_pkey.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
keyring.c KEYS: Don't write out to userspace while holding key semaphore 2020-03-29 12:40:41 +01:00
permission.c Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs" 2019-07-10 18:43:43 -07:00
persistent.c Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs" 2019-07-10 18:43:43 -07:00
proc.c Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs" 2019-07-10 18:43:43 -07:00
process_keys.c Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs" 2019-07-10 18:43:43 -07:00
request_key.c keys: ensure that ->match_free() is called in request_key_and_link() 2019-08-30 11:10:55 -07:00
request_key_auth.c KEYS: Don't write out to userspace while holding key semaphore 2020-03-29 12:40:41 +01:00
sysctl.c proc/sysctl: add shared variables for range check 2019-07-18 17:08:07 -07:00
user_defined.c KEYS: Don't write out to userspace while holding key semaphore 2020-03-29 12:40:41 +01:00