On Wed, Jun 17, 2020 at 1:24 PM syzbot <syzbot+120d387f677320f6a57c@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > Hello, > > syzbot found the following crash on: > > HEAD commit: d6ff8147 usb: gadget: add raw-gadget interface > git tree: https://github.com/google/kasan.git usb-fuzzer > console output: https://syzkaller.appspot.com/x/log.txt?x=140052c3e00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=90a3d9bed5648419 > dashboard link: https://syzkaller.appspot.com/bug?extid=120d387f677320f6a57c > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16195fd9e00000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1610f2c3e00000 > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+120d387f677320f6a57c@xxxxxxxxxxxxxxxxxxxxxxxxx > > ati_remote 1-1:0.0: Unknown Medion X10 receiver, using default ati_remote Medion keymap > ------------[ cut here ]------------ > usb 1-1: BOGUS urb xfer, pipe 1 != type 3 > WARNING: CPU: 1 PID: 81 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 drivers/usb/core/urb.c:478 > Kernel panic - not syncing: panic_on_warn set ... > CPU: 1 PID: 81 Comm: kworker/1:1 Not tainted 5.6.0-rc3-syzkaller #0 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 > Workqueue: usb_hub_wq hub_event > Call Trace: > __dump_stack lib/dump_stack.c:77 [inline] > dump_stack+0xef/0x16e lib/dump_stack.c:118 > panic+0x2aa/0x6e1 kernel/panic.c:221 > __warn.cold+0x2f/0x30 kernel/panic.c:582 > report_bug+0x27b/0x2f0 lib/bug.c:195 > fixup_bug arch/x86/kernel/traps.c:174 [inline] > fixup_bug arch/x86/kernel/traps.c:169 [inline] > do_error_trap+0x12b/0x1e0 arch/x86/kernel/traps.c:267 > do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286 > invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 > RIP: 0010:usb_submit_urb+0x1188/0x1460 drivers/usb/core/urb.c:478 > Code: 4d 85 ed 74 46 e8 18 ce dd fd 4c 89 f7 e8 d0 5c 17 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 e0 e7 3b 86 e8 a0 5f b2 fd <0f> 0b e9 20 f4 ff ff e8 ec cd dd fd 0f 1f 44 00 00 e8 e2 cd dd fd > RSP: 0018:ffff8881d8a0f0b8 EFLAGS: 00010282 > RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 > > > --- > This bug is generated by a bot. It may contain errors. > See https://goo.gl/tpsmEJ for more information about syzbot. > syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. > > syzbot will keep track of this bug report. See: > https://goo.gl/tpsmEJ#status for how to communicate with syzbot. > syzbot can test patches for this bug, for details see: > https://goo.gl/tpsmEJ#testing-patches > > -- > You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@xxxxxxxxxxxxxxxx. > To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/0000000000005166b905a845e639%40google.com. Corrupted report, will be fixed by https://github.com/google/syzkaller/pull/1839
