Re: [syzbot] [bcachefs?] possible deadlock in bch2_symlink

[syzbot]

Hello,

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

Reported-by: syzbot+7836a68852a10ec3d790@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+7836a68852a10ec3d790@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         9e7e7e36 ovl: use I_MUTEX_PARENT when locking parent i..
git tree:       https://github.com/amir73il/linux ovl-fixes
console output: https://syzkaller.appspot.com/x/log.txt?x=11d09ba2580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=41498776bd40da1
dashboard link: https://syzkaller.appspot.com/bug?extid=7836a68852a10ec3d790
compiler:       Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.