Re: [syzbot] [xfs?] possible deadlock in xfs_buf_find_insert

syzbot
2025-02-02T15:08:03Z

syzbot has bisected this issue to:

commit ee10f6fcdb961e810d7b16be1285319c15c78ef6
Author: Christoph Hellwig <hch@lst.de>
Date: Thu Jan 16 06:01:42 2025 +0000

xfs: fix buffer lookup vs release race

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1193ad18580000
start commit: 69b8923f5003 Merge tag 'for-linus-6.14-ofs4' of git://git...
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=1393ad18580000
console output: https://syzkaller.appspot.com/x/log.txt?x=1593ad18580000
kernel config: https://syzkaller.appspot.com/x/.config?x=57ab43c279fa614d
dashboard link: https://syzkaller.appspot.com/bug?extid=acb56162aef712929d3f
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=174cd5f8580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=162e2d18580000

Reported-by: syzbot+acb56162aef712929d3f@syzkaller.appspotmail.com
Fixes: ee10f6fcdb96 ("xfs: fix buffer lookup vs release race")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection