syzbot


WARNING: ODEBUG bug in tcindex_destroy_work

Status: upstream: reported C repro on 2019/10/21 05:48
Reported-by: syzbot+47d7891a3d84eea1a9c4@syzkaller.appspotmail.com
First crash: 1732d, last: 502d
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING: ODEBUG bug in tcindex_destroy_work (3) net syz done 13 1569d 1605d 15/27 fixed on 2020/05/10 10:41
upstream WARNING: ODEBUG bug in tcindex_destroy_work net 4 1729d 1758d 0/27 closed as invalid on 2019/12/08 05:54
upstream WARNING: ODEBUG bug in tcindex_destroy_work (2) net 5 1616d 1627d 15/27 fixed on 2020/02/18 14:31
Fix bisection attempts (5)
Created Duration User Patch Repo Result
2021/05/20 00:04 42m bisect fix linux-4.19.y OK (0) job log log
2020/11/05 06:03 39m bisect fix linux-4.19.y OK (0) job log log
2020/03/12 14:12 39m bisect fix linux-4.19.y OK (0) job log log
2020/01/12 07:35 37m bisect fix linux-4.19.y OK (0) job log log
2019/12/13 06:58 37m bisect fix linux-4.19.y OK (0) job log log

Sample crash report:
------------[ cut here ]------------
ODEBUG: free active (active state 0) object type: work_struct hint: tcindex_destroy_rexts_work+0x0/0x20 include/net/pkt_cls.h:301
WARNING: CPU: 0 PID: 23 at lib/debugobjects.c:325 debug_print_object+0x160/0x250 lib/debugobjects.c:325
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 23 Comm: kworker/u4:1 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: tc_filter_workqueue tcindex_destroy_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:debug_print_object+0x160/0x250 lib/debugobjects.c:325
Code: dd 20 f1 b3 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 20 f1 b3 88 48 c7 c7 40 e5 b3 88 e8 65 92 7b 04 <0f> 0b 83 05 73 e6 af 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89
RSP: 0018:ffff8880b5047c28 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1016a08f77
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000005 R11: ffffffff8c66501b R12: ffffffff89f532e0
R13: ffffffff813d5200 R14: ffff8880a9d821c0 R15: dffffc0000000000
 __debug_check_no_obj_freed lib/debugobjects.c:785 [inline]
 debug_check_no_obj_freed+0x271/0x490 lib/debugobjects.c:817
 kfree+0xb9/0x210 mm/slab.c:3821
 tcindex_destroy_work+0x2e/0x70 net/sched/cls_tcindex.c:230
 process_one_work+0x864/0x1570 kernel/workqueue.c:2153
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (190):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/08/22 02:34 linux-4.19.y 3f8a27f9e27b 26a13b38 .config console log report syz C ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2020/03/18 22:52 linux-4.19.y 93556fb211fa 0a96a13c .config console log report syz C ci2-linux-4-19
2019/10/21 06:50 linux-4.19.y c3038e718a19 8c88c9c1 .config console log report syz C ci2-linux-4-19
2022/12/30 05:11 linux-4.19.y 3f8a27f9e27b 44712fbc .config console log report syz [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/12/08 19:23 linux-4.19.y 3f8a27f9e27b 1034e5fa .config console log report syz [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2021/02/21 07:08 linux-4.19.y 255b58a2b3af 3e5ed8b4 .config console log report syz ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2021/02/19 07:16 linux-4.19.y 811218eceeaa 14052202 .config console log report syz ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2021/02/14 21:26 linux-4.19.y 811218eceeaa 98682e5e .config console log report syz ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2020/12/17 03:02 linux-4.19.y 13d2ce42de8c 04201c06 .config console log report syz ci2-linux-4-19
2020/07/31 01:14 linux-4.19.y 205a42ce2861 8df85ed9 .config console log report syz ci2-linux-4-19
2023/03/04 07:11 linux-4.19.y 3f8a27f9e27b f8902b57 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2023/02/22 11:54 linux-4.19.y 3f8a27f9e27b 42a4d508 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2023/02/06 15:59 linux-4.19.y 3f8a27f9e27b 0a9c11b6 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2023/01/23 09:27 linux-4.19.y 3f8a27f9e27b 44388686 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2023/01/21 02:50 linux-4.19.y 3f8a27f9e27b cc0f9968 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2023/01/06 18:06 linux-4.19.y 3f8a27f9e27b 1dac8c7a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2023/01/01 06:10 linux-4.19.y 3f8a27f9e27b ab32d508 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/12/26 05:18 linux-4.19.y 3f8a27f9e27b 9da18ae8 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/12/24 04:34 linux-4.19.y 3f8a27f9e27b 9da18ae8 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/12/08 17:23 linux-4.19.y 3f8a27f9e27b 1034e5fa .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/11/21 00:09 linux-4.19.y 3f8a27f9e27b 5bb70014 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/11/09 14:41 linux-4.19.y 3f8a27f9e27b bebca8b7 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/11/08 10:31 linux-4.19.y 3f8a27f9e27b 6feb842b .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/11/03 22:30 linux-4.19.y 3f8a27f9e27b 6d752409 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/11/03 03:07 linux-4.19.y 3f8a27f9e27b 08977f5d .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/10/31 07:25 linux-4.19.y 3f8a27f9e27b 2a71366b .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/10/28 12:52 linux-4.19.y 3f8a27f9e27b 8168b69e .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/10/28 00:01 linux-4.19.y 3f8a27f9e27b 5c716ff6 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/10/25 23:27 linux-4.19.y 3f8a27f9e27b 2159e4d2 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/10/21 10:12 linux-4.19.y 3f8a27f9e27b 63e790dd .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/10/16 21:54 linux-4.19.y 3f8a27f9e27b 67cb024c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/10/04 15:13 linux-4.19.y 3f8a27f9e27b eab8f949 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/10/01 17:14 linux-4.19.y 3f8a27f9e27b feb56351 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/09/30 15:11 linux-4.19.y 3f8a27f9e27b 45fd7169 .config console log report info ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/09/28 19:36 linux-4.19.y 3f8a27f9e27b a41a2080 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/09/28 05:32 linux-4.19.y 3f8a27f9e27b 75c78242 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/09/27 05:07 linux-4.19.y 3f8a27f9e27b 10323ddf .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/09/23 06:40 linux-4.19.y 3f8a27f9e27b 0042f2b4 .config console log report info ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/09/22 17:24 linux-4.19.y 3f8a27f9e27b 0042f2b4 .config console log report info ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/09/12 15:24 linux-4.19.y 3f8a27f9e27b 356d8217 .config console log report info ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/09/07 12:35 linux-4.19.y 3f8a27f9e27b c5b7bc57 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/09/07 09:06 linux-4.19.y 3f8a27f9e27b 5fc30c37 .config console log report info ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/09/06 00:00 linux-4.19.y 3f8a27f9e27b 9dcd38fc .config console log report info ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/09/04 09:21 linux-4.19.y 3f8a27f9e27b 28811d0a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/09/03 04:53 linux-4.19.y 3f8a27f9e27b 49e94a20 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/09/01 04:03 linux-4.19.y 3f8a27f9e27b b01ec571 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/08/30 05:09 linux-4.19.y 3f8a27f9e27b 4a380809 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/08/29 16:27 linux-4.19.y 3f8a27f9e27b d7593c58 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/08/21 23:22 linux-4.19.y 3f8a27f9e27b 26a13b38 .config console log report info ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/08/20 00:53 linux-4.19.y 3f8a27f9e27b 26a13b38 .config console log report info ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/08/18 22:21 linux-4.19.y 3f8a27f9e27b 26a13b38 .config console log report info ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/08/18 08:29 linux-4.19.y 3f8a27f9e27b d58e263f .config console log report info ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/08/17 20:53 linux-4.19.y 3f8a27f9e27b a9409d47 .config console log report info ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/08/15 00:07 linux-4.19.y 3f8a27f9e27b 8dfcaa3d .config console log report info ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/08/11 01:34 linux-4.19.y 3f8a27f9e27b a6201f11 .config console log report info ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/08/06 22:14 linux-4.19.y 3f8a27f9e27b 88e3a122 .config console log report info ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/08/02 02:00 linux-4.19.y 3f8a27f9e27b fef302b1 .config console log report info ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/07/31 06:46 linux-4.19.y 3f8a27f9e27b fef302b1 .config console log report info ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2022/07/29 12:15 linux-4.19.y 3f8a27f9e27b fef302b1 .config console log report info ci2-linux-4-19 WARNING: ODEBUG bug in tcindex_destroy_work
2021/01/04 10:49 linux-4.19.y 3207316b3bee 79264ae3 .config console log report info ci2-linux-4-19
2019/10/21 04:47 linux-4.19.y c3038e718a19 8c88c9c1 .config console log report ci2-linux-4-19
* Struck through repros no longer work on HEAD.