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

syzbot
2025-03-14T16:19:04Z

syzbot suspects this issue was fixed by commit:

commit a9ab28b3d21aec6d0f56fe722953e20ce470237b
Author: Christoph Hellwig <hch@lst.de>
Date: Tue Jan 28 05:22:58 2025 +0000

xfs: remove xfs_buf_cache.bc_lock

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17fb5c78580000
start commit: 69b8923f5003 Merge tag 'for-linus-6.14-ofs4' of git://git...
git tree: upstream
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

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: xfs: remove xfs_buf_cache.bc_lock

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