Re: [syzbot] [xfs?] KASAN: slab-use-after-free Read in xfs_buf_rele (4)

From: syzbot

Date: Mon Jan 19 2026 - 10:17:02 EST


Hello,

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

Reported-by: syzbot+0391d34e801643e2809b@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+0391d34e801643e2809b@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 5dc79b07 disable lockdep
git tree: git://git.infradead.org/users/hch/xfs.git xfs-buf-hash
console output: https://syzkaller.appspot.com/x/log.txt?x=16604bfc580000
kernel config: https://syzkaller.appspot.com/x/.config?x=3433733714e92ec3
dashboard link: https://syzkaller.appspot.com/bug?extid=0391d34e801643e2809b
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
userspace arch: arm64

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