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WARNING in lockdep_register_key

Status: auto-closed as invalid on 2019/09/13 19:49
Subsystems: bluetooth
[Documentation on labels]
Reported-by: syzbot+072814ec793ff1946da1@syzkaller.appspotmail.com
First crash: 2110d, last: 2094d
▶ ▼ Discussions (4)
Title Replies (including bot) Last reply
Reminder: 29 open syzbot bugs in bluetooth subsystem 1 (1) 2019/07/24 01:41
Reminder: 29 open syzbot bugs in bluetooth subsystem 1 (1) 2019/07/09 19:07
Reminder: 27 open syzbot bugs in bluetooth subsystem 1 (1) 2019/06/24 05:14
WARNING in lockdep_register_key 0 (1) 2019/03/02 07:07

Sample crash report:
WARNING: CPU: 0 PID: 11875 at kernel/locking/lockdep.c:1024 lockdep_register_key+0x10d/0x490 kernel/locking/lockdep.c:1024
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 11875 Comm: syz-executor.5 Not tainted 5.0.0+ #16
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 panic+0x2cb/0x65c kernel/panic.c:214
 __warn.cold+0x20/0x45 kernel/panic.c:571
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:lockdep_register_key+0x10d/0x490 kernel/locking/lockdep.c:1024
Code: 75 23 e9 e5 01 00 00 48 89 da 48 c1 ea 03 42 80 3c 3a 00 0f 85 b1 02 00 00 48 8b 1b 48 85 db 0f 84 c7 01 00 00 4c 39 e3 75 dd <0f> 0b 48 c7 c0 d8 67 5d 89 48 ba 00 00 00 00 00 fc ff df 48 89 c1
RSP: 0018:ffff8880575afa18 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff8880a8ccf958 RCX: 1ffffffff12bacfb
RDX: 1ffffffff14653dd RSI: 0000000000000000 RDI: ffff88809a82ed7c
RBP: ffff8880575afa48 R08: ffffffff8a329ee8 R09: ffffed100aeb5f38
R10: ffffed100aeb5f37 R11: 0000000000000003 R12: ffff8880a8ccf958
R13: 0000000000000311 R14: 0000000000000282 R15: dffffc0000000000
 wq_init_lockdep kernel/workqueue.c:3444 [inline]
 alloc_workqueue+0x427/0xe70 kernel/workqueue.c:4263
 hci_register_dev+0x1b8/0x860 net/bluetooth/hci_core.c:3288
 __vhci_create_device+0x2d0/0x5a0 drivers/bluetooth/hci_vhci.c:139
 vhci_create_device drivers/bluetooth/hci_vhci.c:163 [inline]
 vhci_get_user drivers/bluetooth/hci_vhci.c:219 [inline]
 vhci_write+0x2d0/0x470 drivers/bluetooth/hci_vhci.c:299
 call_write_iter include/linux/fs.h:1860 [inline]
 new_sync_write+0x4c7/0x760 fs/read_write.c:474
 __vfs_write+0xe4/0x110 fs/read_write.c:487
 vfs_write+0x20c/0x580 fs/read_write.c:549
 ksys_write+0xea/0x1f0 fs/read_write.c:598
 __do_sys_write fs/read_write.c:610 [inline]
 __se_sys_write fs/read_write.c:607 [inline]
 __x64_sys_write+0x73/0xb0 fs/read_write.c:607
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457f29
Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fe29d8ecc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457f29
RDX: 0000000000000002 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe29d8ed6d4
R13: 00000000004c759c R14: 00000000004dd1e8 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (35):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/03/11 00:09 upstream 065b6c4c913d 12365b99 .config console log report ci-upstream-kasan-gce-smack-root
2019/03/10 22:29 upstream 065b6c4c913d 12365b99 .config console log report ci-upstream-kasan-gce-selinux-root
2019/03/10 21:29 upstream 065b6c4c913d 12365b99 .config console log report ci-upstream-kasan-gce-root
2019/03/10 18:39 upstream 6cdc577a18a6 12365b99 .config console log report ci-upstream-kasan-gce-selinux-root
2019/03/10 18:39 upstream 6cdc577a18a6 12365b99 .config console log report ci-upstream-kasan-gce-smack-root
2019/03/10 12:20 upstream 6cdc577a18a6 12365b99 .config console log report ci-upstream-kasan-gce-smack-root
2019/03/10 06:11 upstream 6cdc577a18a6 12365b99 .config console log report ci-upstream-kasan-gce
2019/03/09 23:35 upstream 38e7571c07be 12365b99 .config console log report ci-upstream-kasan-gce-selinux-root
2019/03/09 20:21 upstream 38e7571c07be 12365b99 .config console log report ci-upstream-kasan-gce
2019/03/09 18:24 upstream 38e7571c07be 12365b99 .config console log report ci-upstream-kasan-gce-smack-root
2019/03/09 17:32 upstream 38e7571c07be 12365b99 .config console log report ci-upstream-kasan-gce-root
2019/03/08 19:56 upstream 610cd4eadec4 12365b99 .config console log report ci-upstream-kasan-gce-smack-root
2019/03/07 14:37 upstream f90d64483ebd 8c085c5e .config console log report ci-upstream-kasan-gce-selinux-root
2019/03/07 06:36 upstream afe6fe7036c6 18215b8d .config console log report ci-upstream-kasan-gce-root
2019/03/07 03:01 upstream afe6fe7036c6 18215b8d .config console log report ci-upstream-kasan-gce-root
2019/03/07 02:21 upstream afe6fe7036c6 18215b8d .config console log report ci-upstream-kasan-gce-selinux-root
2019/03/07 00:23 upstream afe6fe7036c6 18215b8d .config console log report ci-upstream-kasan-gce-root
2019/03/17 19:48 linux-next cf08baa29613 ba18afea .config console log report ci-upstream-linux-next-kasan-gce-root
2019/03/17 14:38 linux-next cf08baa29613 ba18afea .config console log report ci-upstream-linux-next-kasan-gce-root
2019/03/16 22:00 linux-next cf08baa29613 bab43553 .config console log report ci-upstream-linux-next-kasan-gce-root
2019/03/16 10:37 linux-next cf08baa29613 bab43553 .config console log report ci-upstream-linux-next-kasan-gce-root
2019/03/16 00:54 linux-next cf08baa29613 bab43553 .config console log report ci-upstream-linux-next-kasan-gce-root
2019/03/15 15:53 linux-next cf08baa29613 bab43553 .config console log report ci-upstream-linux-next-kasan-gce-root
2019/03/14 02:21 linux-next cf08baa29613 2881fc25 .config console log report ci-upstream-linux-next-kasan-gce-root
2019/03/13 22:00 linux-next cf08baa29613 2881fc25 .config console log report ci-upstream-linux-next-kasan-gce-root
2019/03/13 18:25 linux-next cf08baa29613 2881fc25 .config console log report ci-upstream-linux-next-kasan-gce-root
2019/03/09 09:51 linux-next cf08baa29613 12365b99 .config console log report ci-upstream-linux-next-kasan-gce-root
2019/03/09 09:02 linux-next cf08baa29613 12365b99 .config console log report ci-upstream-linux-next-kasan-gce-root
2019/03/09 08:48 linux-next cf08baa29613 12365b99 .config console log report ci-upstream-linux-next-kasan-gce-root
2019/03/07 14:36 linux-next cf08baa29613 8c085c5e .config console log report ci-upstream-linux-next-kasan-gce-root
2019/03/03 06:28 linux-next c63e9e91a254 1c0e457a .config console log report ci-upstream-linux-next-kasan-gce-root
2019/03/02 09:21 linux-next c63e9e91a254 1c0e457a .config console log report ci-upstream-linux-next-kasan-gce-root
2019/03/02 01:41 linux-next c63e9e91a254 68d9e495 .config console log report ci-upstream-linux-next-kasan-gce-root
2019/03/02 00:13 linux-next c63e9e91a254 68d9e495 .config console log report ci-upstream-linux-next-kasan-gce-root
2019/03/01 12:18 linux-next c63e9e91a254 8a4b3a6b .config console log report ci-upstream-linux-next-kasan-gce-root
* Struck through repros no longer work on HEAD.