syzbot


WARNING: ODEBUG bug in __run_timers (2)

Status: auto-closed as invalid on 2021/10/25 11:37
Reported-by: syzbot+a25dc8056cd48a5c59a5@syzkaller.appspotmail.com
First crash: 416d, last: 387d
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING: ODEBUG bug in __run_timers 1 697d 693d 0/23 auto-closed as invalid on 2020/12/19 18:17

Sample crash report:
------------[ cut here ]------------
ODEBUG: deactivate not available (active state 0) object type: timer_list hint: mrp_join_timer+0x0/0xc0 net/802/mrp.c:496
WARNING: CPU: 0 PID: 24019 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 lib/debugobjects.c:505
Modules linked in:
CPU: 0 PID: 24019 Comm: syz-executor.0 Not tainted 5.14.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:debug_print_object+0x16e/0x250 lib/debugobjects.c:505
Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 af 00 00 00 48 8b 14 dd 00 c3 e3 89 4c 89 ee 48 c7 c7 00 b7 e3 89 e8 a3 92 0d 05 <0f> 0b 83 05 05 7a 92 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3
RSP: 0018:ffffc90000007ce8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000
RDX: ffff888028abd4c0 RSI: ffffffff815d6855 RDI: fffff52000000f8f
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815d068e R11: 0000000000000000 R12: ffffffff898dbf00
R13: ffffffff89e3bb20 R14: ffffffff81644ec0 R15: ffff88809367cc10
FS:  00007f1f5d623700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31a23000 CR3: 0000000028070000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 debug_object_deactivate lib/debugobjects.c:758 [inline]
 debug_object_deactivate+0x1c0/0x300 lib/debugobjects.c:718
 debug_timer_deactivate kernel/time/timer.c:734 [inline]
 debug_deactivate kernel/time/timer.c:778 [inline]
 detach_timer kernel/time/timer.c:825 [inline]
 expire_timers kernel/time/timer.c:1453 [inline]
 __run_timers.part.0+0x513/0xa50 kernel/time/timer.c:1732
 __run_timers kernel/time/timer.c:1713 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1745
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x16e/0x1c0 kernel/softirq.c:636
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:check_kcov_mode kernel/kcov.c:163 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x7/0x60 kernel/kcov.c:197
Code: fd ff ff b9 ff ff ff ff ba 08 00 00 00 4d 8b 03 48 0f bd ca 49 8b 45 00 48 63 c9 e9 64 ff ff ff 0f 1f 00 65 8b 05 c9 64 8c 7e <89> c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 00 f0 01 00 a9
RSP: 0018:ffffc9000b5af040 EFLAGS: 00000246
RAX: 0000000080000000 RBX: 0000000000000033 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888028abd4c0 RDI: 0000000000000003
RBP: 0000000000000026 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff886075bc R11: 0000000000000000 R12: 0000000000000031
R13: 0000000000000000 R14: ffff8881fea93428 R15: dffffc0000000000
 wiphy_share_dfs_chan_state net/wireless/reg.c:2936 [inline]
 wiphy_all_share_dfs_chan_state+0x285/0x650 net/wireless/reg.c:2953
 wiphy_regulatory_register+0xaf/0x1c0 net/wireless/reg.c:4053
 wiphy_register+0x1ffe/0x29b0 net/wireless/core.c:942
 ieee80211_register_hw+0x1f3c/0x3ef0 net/mac80211/main.c:1300
 mac80211_hwsim_new_radio+0x20ce/0x4990 drivers/net/wireless/mac80211_hwsim.c:3358
 hwsim_new_radio_nl+0x9bc/0x1080 drivers/net/wireless/mac80211_hwsim.c:3924
 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:739
 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
 genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2504
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1340
 netlink_sendmsg+0x86d/0xdb0 net/netlink/af_netlink.c:1929
 sock_sendmsg_nosec net/socket.c:703 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:723
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2392
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2446
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2475
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665e9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1f5d623188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9
RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000004
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffc0a74c1af R14: 00007f1f5d623300 R15: 0000000000022000

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2021/07/27 11:36 upstream ff1176468d36 fd511809 .config log report info WARNING: ODEBUG bug in __run_timers
ci-upstream-kasan-gce 2021/06/28 16:34 upstream 62fb9874f5da 9d2ab5df .config log report info WARNING: ODEBUG bug in __run_timers