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

[Chris Chiu]

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(-)

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2.34.1