Re: [syzbot] INFO: task hung in io_uring_cancel_generic (2)

Jens Axboe
2021-12-09T15:58:13Z

On 12/7/21 5:04 PM, syzbot wrote:
> syzbot has found a reproducer for the following issue on:
>
> HEAD commit: cd8c917a56f2 Makefile: Do not quote value for CONFIG_CC_IM..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=153be575b00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=5247c9e141823545
> dashboard link: https://syzkaller.appspot.com/bug?extid=21e6887c0be14181206d
> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1218dce1b00000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16f91d89b00000
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+21e6887c0be14181206d@syzkaller.appspotmail.com

#syz test git://git.kernel.dk/linux-block io_uring-5.16

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Jens Axboe