syzbot


WARNING: ODEBUG bug in __tcf_idr_release

Status: upstream: reported C repro on 2020/02/26 17:52
Reported-by: syzbot+bd6a673f11eb06a6b86c@syzkaller.appspotmail.com
First crash: 1577d, last: 475d
Fix bisection attempts (1)
Created Duration User Patch Repo Result
2021/11/29 13:38 22m bisect fix linux-4.14.y job log (0) log

Sample crash report:
ODEBUG: free active (active state 1) object type: rcu_head hint:           (null)
------------[ cut here ]------------
WARNING: CPU: 1 PID: 7981 at lib/debugobjects.c:287 debug_print_object.cold+0xa7/0xdb lib/debugobjects.c:287
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 7981 Comm: syz-executor373 Not tainted 4.14.301-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x44 kernel/panic.c:547
 report_bug+0x208/0x250 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:967
RIP: 0010:debug_print_object.cold+0xa7/0xdb lib/debugobjects.c:287
RSP: 0018:ffff888091d471d8 EFLAGS: 00010086
RAX: 0000000000000051 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed10123a8e31
RBP: ffffffff878b2140 R08: 0000000000000051 R09: 0000000000000000
R10: 0000000000000000 R11: ffff8880a495e0c0 R12: 0000000000000000
R13: 0000000000000001 R14: ffff8880b34e37c0 R15: ffff8880a1859ab8
 __debug_check_no_obj_freed lib/debugobjects.c:747 [inline]
 debug_check_no_obj_freed+0x3b7/0x680 lib/debugobjects.c:776
 kfree+0xb9/0x250 mm/slab.c:3814
 tcf_idr_remove net/sched/act_api.c:82 [inline]
 __tcf_idr_release+0x202/0x260 net/sched/act_api.c:101
 tcf_idr_release include/net/act_api.h:151 [inline]
 tcf_sample_init+0x788/0x8c0 net/sched/act_sample.c:80
 tcf_action_init_1+0x51a/0x9e0 net/sched/act_api.c:691
 tcf_action_init+0x26d/0x400 net/sched/act_api.c:760
 tcf_action_add net/sched/act_api.c:1088 [inline]
 tc_ctl_action+0x2e3/0x510 net/sched/act_api.c:1140
 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4322
 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2454
 netlink_unicast_kernel net/netlink/af_netlink.c:1296 [inline]
 netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1322
 netlink_sendmsg+0x648/0xbc0 net/netlink/af_netlink.c:1893
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f8cc7aec259
RSP: 002b:00007ffc08c43628 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8cc7aec259
RDX: 0000000000000000 RSI: 0000000020002980 RDI: 0000000000000003
RBP: 00007f8cc7ab0240 R08: 0000000000000007 R09: 0000000000000000
R10: 000000000000000c R11: 0000000000000246 R12: 00007f8cc7ab02d0
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000

======================================================

Crashes (680):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/12/10 21:45 linux-4.14.y 65afe34ac33d 67be1ae7 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/08/20 23:03 linux-4.14.y b641242202ed 26a13b38 .config console log report syz C ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/05/12 19:18 linux-4.14.y 569d1abf9402 9ad6612a .config console log report syz C ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2020/02/26 18:07 linux-4.14.y 98db2bf27b9e 251aabb7 .config console log report syz C ci2-linux-4-14
2023/03/05 08:59 linux-4.14.y 7878a41b6cc1 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2023/03/02 04:01 linux-4.14.y 7878a41b6cc1 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2023/02/26 03:29 linux-4.14.y 7878a41b6cc1 ee50e71c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2023/02/16 16:48 linux-4.14.y a8ad60f2af58 38b317a7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2023/02/12 23:37 linux-4.14.y a8ad60f2af58 93e26d60 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2023/01/29 06:16 linux-4.14.y 3949d1610004 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2023/01/24 02:20 linux-4.14.y 97205fccccdc 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2023/01/23 23:22 linux-4.14.y 97205fccccdc 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2023/01/20 17:03 linux-4.14.y 97205fccccdc dd15ff29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2023/01/14 06:04 linux-4.14.y c4215ee4771b 529798b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2023/01/12 20:54 linux-4.14.y c4215ee4771b 96166539 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2023/01/05 17:48 linux-4.14.y c4215ee4771b 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2023/01/05 14:09 linux-4.14.y c4215ee4771b 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2023/01/02 18:40 linux-4.14.y c4215ee4771b ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/12/31 10:26 linux-4.14.y c4215ee4771b ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/12/30 05:11 linux-4.14.y c4215ee4771b 44712fbc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/12/28 01:48 linux-4.14.y c4215ee4771b 44712fbc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/12/25 20:27 linux-4.14.y c4215ee4771b 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/12/23 10:54 linux-4.14.y c4215ee4771b 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/12/14 07:52 linux-4.14.y 65afe34ac33d f6511626 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/12/10 21:36 linux-4.14.y 65afe34ac33d 67be1ae7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/10/31 02:23 linux-4.14.y 41f36d7859a7 2a71366b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/10/31 01:04 linux-4.14.y 41f36d7859a7 2a71366b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/10/30 15:25 linux-4.14.y 41f36d7859a7 2a71366b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/10/29 19:59 linux-4.14.y 41f36d7859a7 2a71366b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/10/22 02:28 linux-4.14.y 9d5c0b3a8e1a 63e790dd .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/10/18 00:26 linux-4.14.y 9d5c0b3a8e1a 94744d21 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/10/16 16:43 linux-4.14.y 9d5c0b3a8e1a 67cb024c .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/10/09 10:37 linux-4.14.y 9d5c0b3a8e1a aea5da89 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/10/07 07:12 linux-4.14.y 9d5c0b3a8e1a 80b58a42 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/10/05 11:04 linux-4.14.y 9d5c0b3a8e1a 267e3bb1 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/10/03 03:32 linux-4.14.y 9d5c0b3a8e1a feb56351 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/10/01 21:26 linux-4.14.y 9d5c0b3a8e1a feb56351 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/09/30 14:00 linux-4.14.y 9d5c0b3a8e1a 45fd7169 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/09/29 19:39 linux-4.14.y 9d5c0b3a8e1a 45fd7169 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/09/24 02:53 linux-4.14.y 4edbf74132a4 0042f2b4 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/09/22 14:49 linux-4.14.y 4edbf74132a4 60af5050 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/09/22 06:05 linux-4.14.y 4edbf74132a4 60af5050 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/09/17 04:13 linux-4.14.y 5df8b4735177 dd9a85ff .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/09/16 06:19 linux-4.14.y 5df8b4735177 dd9a85ff .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/09/14 09:43 linux-4.14.y 65640c873dcf b884348d .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/09/13 15:05 linux-4.14.y 65640c873dcf a08652b0 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/09/11 12:00 linux-4.14.y 65640c873dcf 356d8217 .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/09/11 08:40 linux-4.14.y 65640c873dcf 356d8217 .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/09/09 05:14 linux-4.14.y 65640c873dcf f3027468 .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/09/08 23:43 linux-4.14.y 65640c873dcf f3027468 .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/09/08 10:08 linux-4.14.y 65640c873dcf 435aeef7 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/09/08 08:29 linux-4.14.y 65640c873dcf 435aeef7 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/09/05 15:35 linux-4.14.y 65640c873dcf 922294ab .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2022/08/30 18:22 linux-4.14.y e548869f356f 4a380809 .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __tcf_idr_release
2021/01/11 23:11 linux-4.14.y ec822b3e8bf4 2c1f2513 .config console log report info ci2-linux-4-14
2020/02/26 17:51 linux-4.14.y 98db2bf27b9e 251aabb7 .config console log report ci2-linux-4-14
* Struck through repros no longer work on HEAD.