On Fri, 12 Oct 2018, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: 9dcd936c5312 Merge tag 'for-4.19/dm-fixes-4' of git://git... > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=123b8da1400000 > kernel config: https://syzkaller.appspot.com/x/.config?x=88e9a8a39dc0be2d > dashboard link: https://syzkaller.appspot.com/bug?extid=24a30223a4b609bb802e > compiler: gcc (GCC) 8.0.1 20180413 (experimental) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13888991400000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1476e5e6400000 > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+24a30223a4b609bb802e@xxxxxxxxxxxxxxxxxxxxxxxxx > > IPVS: ftp: loaded support on port[0] = 21 > ------------[ cut here ]------------ > usb usb7: BOGUS urb flags, 1 --> 0 > WARNING: CPU: 0 PID: 5828 at drivers/usb/core/urb.c:503 > usb_submit_urb+0x717/0x14e0 drivers/usb/core/urb.c:502 > Kernel panic - not syncing: panic_on_warn set ... This should have been fixed by commit 7a68d9fb8510 ("USB: usbdevfs: sanitize flags more"). Was that commit not present in the kernel you tested? Alan Stern
