On Mon, Oct 15, 2018 at 5:22 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > 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? The commit is there, AFAICT. This must be a different issue.
