Re: [syzbot] [kernfs?] possible deadlock in kernfs_iop_getattr

From: syzbot
Date: Sun Jul 20 2025 - 22:17:14 EST


Hello,

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

Reported-by: syzbot+4bb2305559463e8f6a2a@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+4bb2305559463e8f6a2a@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 89be9a83 Linux 6.16-rc7
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=10b9d38c580000
kernel config: https://syzkaller.appspot.com/x/.config?x=9f175a9275d2cdd7
dashboard link: https://syzkaller.appspot.com/bug?extid=4bb2305559463e8f6a2a
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=12380fd4580000

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