[Linux-kernel-mentees] [PATCH syzbot] udf: Fix memory leak in udf_process_sequence()

[Peilin Ye]

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

udf_process_sequence() is leaking memory. Free `data.part_descs_loc`
before returning.

<TODO>
- add Fixes: tag.
- improve commit log.

[syzbot]

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+128f4d...@syzkaller.appspotmail.com

Tested on:

commit: 98477740 Merge branch 'rcu/urgent' of git://git.kernel.org..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=23de0cdbdd5f681b
dashboard link: https://syzkaller.appspot.com/bug?extid=128f4dd6e796c98b3760
compiler: gcc (GCC) 10.1.0-syz 20200507
patch: https://syzkaller.appspot.com/x/patch.diff?x=1027a8ad900000

Note: testing is done by a robot and is best-effort only.