ACK: [PATCH 0/1][SRU][J] udf: Fix directory iteration for longer tail extents

[Kuba Pawlak]

On 9.04.2025 09:22, Chris Chiu wrote:
> BugLink: https://bugs.launchpad.net/bugs/2103598
>
> [Impact]
>
> After kernel Ubuntu-5.15.0-132, lots of udf patches are introduced but it led to directory corruption when directory's last content has more than one block.
>
> [Fix]
>
> Cherry pick commit 1ea1cd11c72d("udf: Fix directory iteration for longer tail extents") from mainline to fix it.
>
> [Test Case]
>
> 1. Boot the patched kernel with the CDROM inserted.
> 2. Check if dmesg shows the error like: udf_fiiter_advance_blk: extent after position 2016 not allocated in directory
>
> [Where problems could occur]
> The patch is already landed after kernel 6.2 and it simply fixes the rounding issue for the directory access on udf filesystem. Should be low risk for regression.
>
> Jan Kara (1):
>    udf: Fix directory iteration for longer tail extents
>
>   fs/udf/directory.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
Acked-by: Kuba Pawlak <kuba.pawlak at canonical.com>
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