Quoting Oliver Neukum (2019-11-20 02:55:49) > Am Freitag, den 15.11.2019, 09:51 -0800 schrieb Stephen Boyd: > > Quoting syzbot (2019-11-06 04:32:09) > > > Hello, > > > > > > syzbot found the following crash on: > > > > > > HEAD commit: b1aa9d83 usb: raw: add raw-gadget interface > > > git tree: https://github.com/google/kasan.git usb-fuzzer > > > console output: https://syzkaller.appspot.com/x/log.txt?x=16ae2adce00000 > > > kernel config: https://syzkaller.appspot.com/x/.config?x=79de80330003b5f7 > > > dashboard link: https://syzkaller.appspot.com/bug?extid=f41c4f7c6d8b0b778780 > > > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10248158e00000 > > > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16afbf7ce00000 > > > > > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > > > Reported-by: syzbot+f41c4f7c6d8b0b778780@xxxxxxxxxxxxxxxxxxxxxxxxx > > > > I suspect this is because of the kthread getting stuck problem reported > > by Maciej. Maybe try the commit that Herbert picked up. > > Do you have a commit ID so we can test an exported patch? > I sent the patch in. See https://lkml.kernel.org/r/00000000000019acd8059770942b@xxxxxxxxxx for what happened. It didn't make a difference. I'll have to stare at it a little more to figure out what's going on.