Re: [syzbot] INFO: task hung in port100_probe

On Tue, 22 Jun 2021 08:43:29 -0700
syzbot [off-list ref] 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