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WARNING: ODEBUG bug in device_release

Status: auto-closed as invalid on 2020/08/06 20:56
Subsystems: kernel
[Documentation on labels]
First crash: 1794d, last: 1701d
▶ ▼ Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 WARNING: ODEBUG bug in device_release syz error 11 1729d 1790d 0/1 upstream: reported syz repro on 2020/03/05 11:16
linux-4.19 WARNING: ODEBUG bug in device_release 5 1763d 1795d 0/1 auto-closed as invalid on 2020/07/30 06:23

Sample crash report:
------------[ cut here ]------------
ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x90 arch/x86/include/asm/paravirt.h:759
WARNING: CPU: 0 PID: 22051 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 lib/debugobjects.c:485
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 22051 Comm: kworker/u4:4 Not tainted 5.7.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x188/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x35 kernel/panic.c:582
 report_bug+0x27b/0x2f0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:105 [inline]
 fixup_bug arch/x86/kernel/traps.c:100 [inline]
 do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:197
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:216
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:debug_print_object+0x160/0x250 lib/debugobjects.c:485
Code: dd a0 c9 72 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd a0 c9 72 88 48 c7 c7 00 bf 72 88 e8 e8 18 aa fd <0f> 0b 83 05 db aa ef 06 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89
RSP: 0018:ffffc900019878d8 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815cdc37 RDI: fffff52000330f0d
RBP: 0000000000000001 R08: ffff8880a835a300 R09: ffffed1015cc45f1
R10: ffff8880ae622f83 R11: ffffed1015cc45f0 R12: ffffffff899c82c0
R13: ffffffff8162b1a0 R14: ffff88804d945480 R15: ffff888098ac0e00
 __debug_check_no_obj_freed lib/debugobjects.c:967 [inline]
 debug_check_no_obj_freed+0x2e5/0x449 lib/debugobjects.c:998
 kfree+0xf6/0x2b0 mm/slab.c:3756
 kvfree+0x42/0x50 mm/util.c:603
 device_release+0x71/0x200 drivers/base/core.c:1394
 kobject_cleanup lib/kobject.c:693 [inline]
 kobject_release lib/kobject.c:722 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1e7/0x2e0 lib/kobject.c:739
 netdev_run_todo+0x4f2/0x760 net/core/dev.c:9680
 default_device_exit_batch+0x31b/0x3d0 net/core/dev.c:10484
 ops_exit_list.isra.0+0x103/0x150 net/core/net_namespace.c:189
 cleanup_net+0x511/0xa50 net/core/net_namespace.c:603
 process_one_work+0x965/0x16a0 kernel/workqueue.c:2268
 worker_thread+0x96/0xe20 kernel/workqueue.c:2414
 kthread+0x388/0x470 kernel/kthread.c:268
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:351
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (144):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/06/02 17:35 upstream f359287765c0 52fd7b7d .config console log report ci-upstream-kasan-gce-root
2020/05/31 07:08 upstream ffeb595d8481 6f3e1c7c .config console log report ci-upstream-kasan-gce
2020/05/25 02:47 upstream 9cb1fd0efd19 11284182 .config console log report ci-upstream-kasan-gce-smack-root
2020/05/21 11:31 upstream b85051e755b0 1f30020f .config console log report ci-upstream-kasan-gce-smack-root
2020/05/17 05:23 upstream 3d1c1e5931ce 37bccd4e .config console log report ci-upstream-kasan-gce
2020/05/11 14:32 upstream 2ef96a5bb12b f8f57555 .config console log report ci-upstream-kasan-gce-root
2020/05/10 02:26 upstream 1d3962ae3b3d 8742a2b9 .config console log report ci-upstream-kasan-gce-selinux-root
2020/05/16 22:22 upstream 3d1c1e5931ce 37bccd4e .config console log report ci-upstream-kasan-gce-386
2020/04/15 01:44 upstream ffc1c20c46f7 831e9a81 .config console log report ci-qemu-upstream-386
2020/06/02 21:00 bpf bdc48fa11e46 52fd7b7d .config console log report ci-upstream-bpf-kasan-gce
2020/05/30 02:05 bpf d195b1d1d119 3905eaae .config console log report ci-upstream-bpf-kasan-gce
2020/05/29 07:25 bpf d195b1d1d119 d19ed305 .config console log report ci-upstream-bpf-kasan-gce
2020/05/25 18:57 bpf d04322a0da1e 30927cd7 .config console log report ci-upstream-bpf-kasan-gce
2020/05/24 05:53 net-old 539d39ad0c61 96c92ad3 .config console log report ci-upstream-net-this-kasan-gce
2020/05/24 02:07 bpf d04322a0da1e 96c92ad3 .config console log report ci-upstream-bpf-kasan-gce
2020/05/23 01:04 bpf 5cf65922bb15 9682898d .config console log report ci-upstream-bpf-kasan-gce
2020/05/21 13:58 bpf dfeb376dd4cb 1f30020f .config console log report ci-upstream-bpf-kasan-gce
2020/05/19 20:34 bpf f85c1598ddfe 6d882fd2 .config console log report ci-upstream-bpf-kasan-gce
2020/05/19 17:12 bpf f85c1598ddfe 6d882fd2 .config console log report ci-upstream-bpf-kasan-gce
2020/05/18 01:02 net-old e3f2d5579c0b 37bccd4e .config console log report ci-upstream-net-this-kasan-gce
2020/05/17 23:42 bpf f85c1598ddfe 37bccd4e .config console log report ci-upstream-bpf-kasan-gce
2020/05/17 17:32 bpf f85c1598ddfe 37bccd4e .config console log report ci-upstream-bpf-kasan-gce
2020/05/16 20:29 net-old f85c1598ddfe 37bccd4e .config console log report ci-upstream-net-this-kasan-gce
2020/05/16 04:29 bpf f85c1598ddfe 37bccd4e .config console log report ci-upstream-bpf-kasan-gce
2020/05/15 16:22 bpf 6d74f64b922b d7f9fffa .config console log report ci-upstream-bpf-kasan-gce
2020/05/15 10:06 bpf 6d74f64b922b 2d572622 .config console log report ci-upstream-bpf-kasan-gce
2020/05/11 07:48 bpf 52a90612fa61 8742a2b9 .config console log report ci-upstream-bpf-kasan-gce
2020/05/10 21:50 bpf 52a90612fa61 8742a2b9 .config console log report ci-upstream-bpf-kasan-gce
2020/03/01 22:24 bpf 542bf38f11d1 c88c7b75 .config console log report ci-upstream-bpf-kasan-gce
2020/06/02 06:34 bpf-next d6e6af8f783e a0331e89 .config console log report ci-upstream-bpf-next-kasan-gce
2020/06/01 16:13 bpf-next 551f08b1d8ea a0331e89 .config console log report ci-upstream-bpf-next-kasan-gce
2020/06/01 02:13 bpf-next 551f08b1d8ea a0331e89 .config console log report ci-upstream-bpf-next-kasan-gce
2020/06/01 00:29 bpf-next 551f08b1d8ea a0331e89 .config console log report ci-upstream-bpf-next-kasan-gce
2020/05/31 03:17 bpf-next 551f08b1d8ea 6f3e1c7c .config console log report ci-upstream-bpf-next-kasan-gce
2020/05/30 15:08 bpf-next 551f08b1d8ea 954bd312 .config console log report ci-upstream-bpf-next-kasan-gce
2020/05/30 07:24 bpf-next 551f08b1d8ea 954bd312 .config console log report ci-upstream-bpf-next-kasan-gce
2020/05/29 19:15 bpf-next 551f08b1d8ea 3905eaae .config console log report ci-upstream-bpf-next-kasan-gce
2020/05/29 17:50 net-next-old 394f9ebf92c8 3905eaae .config console log report ci-upstream-net-kasan-gce
2020/05/28 08:41 bpf-next c41f9b7371d0 142a0957 .config console log report ci-upstream-bpf-next-kasan-gce
2020/05/28 06:21 bpf-next c41f9b7371d0 142a0957 .config console log report ci-upstream-bpf-next-kasan-gce
2020/05/25 16:15 net-next-old 06ec313eea4f 30927cd7 .config console log report ci-upstream-net-kasan-gce
2020/05/25 13:38 bpf-next a152b85984a0 11284182 .config console log report ci-upstream-bpf-next-kasan-gce
2020/05/24 18:25 bpf-next a152b85984a0 bd28eb9d .config console log report ci-upstream-bpf-next-kasan-gce
2020/05/24 15:02 bpf-next a152b85984a0 bd28eb9d .config console log report ci-upstream-bpf-next-kasan-gce
2020/05/23 12:05 bpf-next a5dfaa2ab940 9682898d .config console log report ci-upstream-bpf-next-kasan-gce
2020/05/23 10:15 bpf-next a5dfaa2ab940 9682898d .config console log report ci-upstream-bpf-next-kasan-gce
2020/05/23 06:11 bpf-next a5dfaa2ab940 9682898d .config console log report ci-upstream-bpf-next-kasan-gce
2020/05/19 08:40 bpf-next 96586dd9268d 684d3606 .config console log report ci-upstream-bpf-next-kasan-gce
2020/05/18 23:11 bpf-next 96586dd9268d 684d3606 .config console log report ci-upstream-bpf-next-kasan-gce
2020/05/16 15:18 bpf-next 96586dd9268d 37bccd4e .config console log report ci-upstream-bpf-next-kasan-gce
2020/05/15 19:30 net-next-old d00f26b62333 d7f9fffa .config console log report ci-upstream-net-kasan-gce
2020/05/14 15:10 bpf-next 8f4605ac3e64 2d572622 .config console log report ci-upstream-bpf-next-kasan-gce
2020/05/14 03:06 bpf-next 8f4605ac3e64 a885920d .config console log report ci-upstream-bpf-next-kasan-gce
2020/05/09 11:17 bpf-next 8086fbaf4934 e97b06d3 .config console log report ci-upstream-bpf-next-kasan-gce
2020/05/19 02:15 linux-next ac935d227366 684d3606 .config console log report ci-upstream-linux-next-kasan-gce-root
* Struck through repros no longer work on HEAD.