[SRU][Focal][PATCH 0/1] CVE-2023-1611

[Yuxuan Luo]

[Impact]
It was discovered that a race condition existed in the btrfs file system
implementation in the Linux kernel, leading to a use-after-free vulnerability.
A privileged local attacker could use this to cause a denial of service (system
crash) or possibly expose sensitive information.

[Backport]
The conflict in qgroup.c can be ignored since their functionality are the same.

[Test]
Compile and smoke tested via make a btrfs loopdev and mount it.

[Potential Regression]
Expect minimal regression.

Filipe Manana (1):
  btrfs: fix race between quota disable and quota assign ioctls

 fs/btrfs/ioctl.c  |  2 ++
 fs/btrfs/qgroup.c | 11 ++++++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

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2.34.1