APPLIED: [SRU][F/J][PATCH v2 0/1] CVE-2024-44942

[Roxana Nicolescu]

On 16/10/2024 11:31, Massimiliano Pellizzer wrote:
> [Impact]
>
> Add sanity check on F2FS_INLINE_DATA flag in inode during garbage
> collection.
>
> [Fix]
>
> Noble:  Fixed through stable updates
> Jammy:  Backported from linux-6.6.y
> Focal:  Applied jammy patch
> Bionic: Sent to ESM ML
> Xenial: Sent to ESM ML
>
> [Test Case]
>
> Compile and boot tested.
> Moreover tested a f2fs partition using:
> - stress-ng --hdd
> - stress-ng --aio
> - stress-ng --iomix
>
> [Where problems could occur]
>
> The fix affects the f2fs filesystem. An issue with this fix may lead to
> kernel crashes, particularly during the garbage collection process.
> Users may also notice filesystem inconsistencies and data corruption.
>
> [Changes between v1 and v2]
>
> Dropped a prereq both in Jammy and Focal which only purpose was to
> define the function f2fs_err_ratelimited(), used printk_ratelimited
> instead.
>
> Chao Yu (1):
>    f2fs: fix to do sanity check on F2FS_INLINE_DATA flag in inode during
>      GC
>
>   fs/f2fs/gc.c | 11 +++++++++++
>   1 file changed, 11 insertions(+)
>
Applied to jammy:linux, focal:linux master-next branches. Thanks!