On Tue, 22 Jun 2021 08:43:29 -0700 syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: fd0aa1a4 Merge tag 'for-linus' of > git://git.kernel.org/pub.. git tree: upstream > console output: > https://syzkaller.appspot.com/x/log.txt?x=13e1500c300000 kernel > config: https://syzkaller.appspot.com/x/.config?x=7ca96a2d153c74b0 > dashboard link: > https://syzkaller.appspot.com/bug?extid=abd2e0dafb481b621869 syz > repro: > https://syzkaller.appspot.com/x/repro.syz?x=1792e284300000 C > reproducer: https://syzkaller.appspot.com/x/repro.c?x=13ad9d48300000 > > IMPORTANT: if you fix the issue, please add the following tag to the > commit: Reported-by: > syzbot+abd2e0dafb481b621869@syzkaller.appspotmail.com > > INFO: task kworker/0:1:7 blocked for more than 143 seconds. > Not tainted 5.13.0-rc6-syzkaller #0 > "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this > message. task:kworker/0:1 state:D stack:25584 pid: 7 ppid: > 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Hmmm, maybe this will work #syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master With regards, Pavel Skripkin