Re: BUG: corrupted list in __dentry_kill (2)

From: Al Viro
Date: Thu Dec 12 2019 - 01:12:11 EST


On Wed, Dec 11, 2019 at 09:59:11PM -0800, syzbot wrote:
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit: 938f49c8 Add linux-next specific files for 20191211
> git tree: linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=150eba1ee00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=96834c884ba7bb81
> dashboard link: https://syzkaller.appspot.com/bug?extid=31043da7725b6ec210f1
> compiler: gcc (GCC) 9.0.0 20181231 (experimental)
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12dc83dae00000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16ac8396e00000
>
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+31043da7725b6ec210f1@xxxxxxxxxxxxxxxxxxxxxxxxx

Already fixed in a3d1e7eb5abe3aa1095bc75d1a6760d3809bd672