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

From: Hillf Danton
Date: Sun Jul 20 2025 - 19:31:08 EST


> Date: Thu, 10 Apr 2025 13:33:29 -0700 [thread overview]
> syzbot has found a reproducer for the following issue on:
>
> HEAD commit: 2eb959eeecc6 Merge tag 'for-linus-6.15a-rc2-tag' of git://..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=16fdf23f980000
> kernel config: https://syzkaller.appspot.com/x/.config?x=4c918722cb7e3d7
> dashboard link: https://syzkaller.appspot.com/bug?extid=4bb2305559463e8f6a2a
> compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1352b7e4580000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17499d78580000

#syz test upstream master