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

[Manuel Diewald]

On Wed, Oct 16, 2024 at 11:31:56AM +0200, 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(+)
> 
> -- 
> 2.43.0
> 
> 
> -- 
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team

Acked-by: Manuel Diewald <manuel.diewald at canonical.com>

-- 
 Manuel
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