ACK: [SRU][Focal][PATCH 0/1] CVE-2023-3111

[Tim Gardner]

On 6/22/23 5:55 PM, Yuxuan Luo wrote:
> [Impact]
> A use after free vulnerability was found in prepare_to_relocate in
> fs/btrfs/relocation.c in btrfs in the Linux Kernel. This possible flaw can be
> triggered by calling btrfs_ioctl_balance() before calling btrfs_ioctl_defrag().
> 
> [Backport]
> Clean cherry picks.
> 
> [Test]
> Compile and smoke tested.
> 
> [Potential Regression]
> Expect relatively low regression.
> 
> Zixuan Fu (1):
>    btrfs: unset reloc control if transaction commit fails in
>      prepare_to_relocate()
> 
>   fs/btrfs/relocation.c | 9 +++++++--
>   1 file changed, 7 insertions(+), 2 deletions(-)
> 
Acked-by: Tim Gardner <tim.gardner at canonical.com>
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Tim Gardner
Canonical, Inc