syzbot


WARNING in usb_submit_urb

Status: auto-closed as invalid on 2019/10/24 17:37
Reported-by: syzbot+1d7638ae7f056c7f8583@syzkaller.appspotmail.com
First crash: 1158d, last: 1158d
similar bugs (5):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in usb_submit_urb (2) C 259 1357d 1394d 12/22 fixed on 2018/10/11 14:33
upstream WARNING in usb_submit_urb (4) syz done 46 1142d 1330d 13/22 fixed on 2019/05/15 23:14
upstream WARNING in usb_submit_urb (5) syz 4 1134d 1138d 0/22 closed as invalid on 2019/05/27 12:47
upstream WARNING in usb_submit_urb C 2 1703d 1694d 4/22 fixed on 2018/02/02 04:39
upstream WARNING in usb_submit_urb (3) C 58 1339d 1355d 12/22 fixed on 2018/10/30 01:28

Sample crash report:
URB ffff8880a1068d00 submitted while active
------------[ cut here ]------------
WARNING: CPU: 1 PID: 7176 at drivers/usb/core/urb.c:363 usb_submit_urb.cold+0x1b/0x2c drivers/usb/core/urb.c:363
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 7176 Comm: kworker/1:4 Not tainted 4.14.114 #4
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_power_efficient hub_init_func2
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 panic+0x1f2/0x438 kernel/panic.c:182
 __warn.cold+0x2f/0x34 kernel/panic.c:546
 report_bug+0x216/0x254 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:944
RIP: 0010:usb_submit_urb.cold+0x1b/0x2c drivers/usb/core/urb.c:363
RSP: 0018:ffff888063b1fbb0 EFLAGS: 00010286
RAX: 000000000000002b RBX: ffff88808115b680 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888063b0c8d0 RDI: ffffed100c763f6c
RBP: ffff888063b1fc10 R08: 000000000000002b R09: ffff888063b0c8c8
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a1068d00
R13: ffff88808115b690 R14: ffff88808115b820 R15: 0000000000000009
 hub_activate+0x972/0x14e0 drivers/usb/core/hub.c:1223
 hub_init_func2+0x1e/0x30 drivers/usb/core/hub.c:1248
 process_one_work+0x868/0x1610 kernel/workqueue.c:2114
 worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248
 kthread+0x31c/0x430 kernel/kthread.c:232
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:402
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2019/04/27 17:36 linux-4.14.y fa5941f45d7e b617407b .config log report