[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty2. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.118' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 50.997610][ T3723] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 51.028380][ T8458] ------------[ cut here ]------------ [ 51.038239][ T8458] ODEBUG: init active (active state 0) object type: timer_list hint: 0x0 [ 51.047961][ T8458] WARNING: CPU: 0 PID: 8458 at lib/debugobjects.c:508 __debug_object_init+0x9b7/0x17a0 [ 51.093924][ T8458] Modules linked in: [ 51.109301][ T8458] CPU: 0 PID: 8458 Comm: syz-executor705 Not tainted 5.11.0-rc6-syzkaller #0 [ 51.140818][ T8458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.163767][ T8458] RIP: 0010:__debug_object_init+0x9b7/0x17a0 [ 51.187994][ T8458] Code: 4c 89 ff e8 9b 93 ee fd 4d 8b 07 48 c7 c7 a0 db 0d 8a 48 c7 c6 c0 d9 0d 8a 48 89 da 44 89 f1 4c 8b 0c 24 31 c0 e8 f9 ba 7a fd <0f> 0b 4c 8b 64 24 28 ff 05 88 3f 47 09 48 8b 5c 24 60 48 83 c3 18 [ 51.211683][ T8458] RSP: 0018:ffffc900016af680 EFLAGS: 00010246 [ 51.229689][ T8458] RAX: b203bb0491a65600 RBX: ffffffff8a0ddd60 RCX: ffff888021e83780 [ 51.250328][ T8458] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 51.265070][ T8458] RBP: ffffc900016af7b8 R08: ffffffff815fa2d2 R09: ffffed10173860b8 [ 51.274411][ T8458] R10: ffffed10173860b8 R11: 0000000000000000 R12: ffff8880189ebe4c [ 51.284196][ T8458] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff89b0ad80 [ 51.293351][ T8458] FS: 0000000001cb8300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 51.303527][ T8458] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.310226][ T8458] CR2: 000055c12944c038 CR3: 00000000133b0000 CR4: 00000000001506f0 [ 51.318281][ T8458] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.326368][ T8458] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.334358][ T8458] Call Trace: [ 51.337705][ T8458] ? lockdep_hardirqs_on+0x8d/0x130 [ 51.342966][ T8458] ? ieee80211_ibss_setup_sdata+0x170/0x170 [ 51.349052][ T8458] init_timer_key+0x39/0x110 [ 51.353666][ T8458] ieee80211_ibss_setup_sdata+0x3c/0x170 [ 51.359373][ T8458] ieee80211_setup_sdata+0x627/0xc20 [ 51.364689][ T8458] ieee80211_if_change_type+0x727/0xc00 [ 51.370357][ T8458] ieee80211_change_iface+0x29/0x200 [ 51.376361][ T8458] cfg80211_change_iface+0x608/0xaa0 [ 51.381664][ T8458] nl80211_set_interface+0x497/0x7f0 [ 51.387143][ T8458] genl_rcv_msg+0xe4e/0x1280 [ 51.391766][ T8458] ? nl80211_dump_interface+0x610/0x610 [ 51.397475][ T8458] netlink_rcv_skb+0x190/0x3a0 [ 51.402332][ T8458] ? genl_rcv+0x40/0x40 [ 51.406588][ T8458] genl_rcv+0x24/0x40 [ 51.410586][ T8458] netlink_unicast+0x786/0x940 [ 51.415713][ T8458] netlink_sendmsg+0x9ae/0xd50 [ 51.420809][ T8458] ? netlink_getsockopt+0xa50/0xa50 [ 51.426098][ T8458] __sys_sendto+0x438/0x5c0 [ 51.430695][ T8458] __x64_sys_sendto+0xda/0xf0 [ 51.435398][ T8458] do_syscall_64+0x2d/0x70 [ 51.439941][ T8458] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.446134][ T8458] RIP: 0033:0x402c66 [ 51.450063][ T8458] Code: 48 c7 c0 ff ff ff ff eb b7 66 2e 0f 1f 84 00 00 00 00 00 90 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 11 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 72 c3 90 55 48 83 ec 30 44 89 4c 24 2c 4c 89 [ 51.470021][ T8458] RSP: 002b:00007ffd20868618 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 51.478507][ T8458] RAX: ffffffffffffffda RBX: 00007ffd208686e0 RCX: 0000000000402c66 [ 51.487653][ T8458] RDX: 0000000000000024 RSI: 00007ffd20868730 RDI: 0000000000000003 [ 51.495734][ T8458] RBP: 0000000000000000 R08: 00007ffd20868624 R09: 000000000000000c [ 51.504231][ T8458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 51.512319][ T8458] R13: 0000000000000003 R14: 0000000000000000 R15: 00007ffd20868730 [ 51.520502][ T8458] Kernel panic - not syncing: panic_on_warn set ... [ 51.527175][ T8458] CPU: 0 PID: 8458 Comm: syz-executor705 Not tainted 5.11.0-rc6-syzkaller #0 [ 51.536064][ T8458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.546144][ T8458] Call Trace: [ 51.549432][ T8458] dump_stack+0x137/0x1be [ 51.553750][ T8458] ? panic+0x1f3/0x800 [ 51.557812][ T8458] panic+0x291/0x800 [ 51.561820][ T8458] ? __warn+0x13e/0x270 [ 51.565978][ T8458] __warn+0x26a/0x270 [ 51.569966][ T8458] ? __debug_object_init+0x9b7/0x17a0 [ 51.575347][ T8458] ? __debug_object_init+0x9b7/0x17a0 [ 51.580781][ T8458] report_bug+0x1b1/0x2e0 [ 51.585190][ T8458] handle_bug+0x3d/0x70 [ 51.589346][ T8458] exc_invalid_op+0x16/0x40 [ 51.593837][ T8458] asm_exc_invalid_op+0x12/0x20 [ 51.598697][ T8458] RIP: 0010:__debug_object_init+0x9b7/0x17a0 [ 51.604811][ T8458] Code: 4c 89 ff e8 9b 93 ee fd 4d 8b 07 48 c7 c7 a0 db 0d 8a 48 c7 c6 c0 d9 0d 8a 48 89 da 44 89 f1 4c 8b 0c 24 31 c0 e8 f9 ba 7a fd <0f> 0b 4c 8b 64 24 28 ff 05 88 3f 47 09 48 8b 5c 24 60 48 83 c3 18 [ 51.624418][ T8458] RSP: 0018:ffffc900016af680 EFLAGS: 00010246 [ 51.630484][ T8458] RAX: b203bb0491a65600 RBX: ffffffff8a0ddd60 RCX: ffff888021e83780 [ 51.639601][ T8458] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 51.647580][ T8458] RBP: ffffc900016af7b8 R08: ffffffff815fa2d2 R09: ffffed10173860b8 [ 51.655544][ T8458] R10: ffffed10173860b8 R11: 0000000000000000 R12: ffff8880189ebe4c [ 51.663534][ T8458] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff89b0ad80 [ 51.671519][ T8458] ? wake_up_klogd+0xb2/0xf0 [ 51.676113][ T8458] ? lockdep_hardirqs_on+0x8d/0x130 [ 51.681311][ T8458] ? ieee80211_ibss_setup_sdata+0x170/0x170 [ 51.687189][ T8458] init_timer_key+0x39/0x110 [ 51.691782][ T8458] ieee80211_ibss_setup_sdata+0x3c/0x170 [ 51.697412][ T8458] ieee80211_setup_sdata+0x627/0xc20 [ 51.702711][ T8458] ieee80211_if_change_type+0x727/0xc00 [ 51.708268][ T8458] ieee80211_change_iface+0x29/0x200 [ 51.713649][ T8458] cfg80211_change_iface+0x608/0xaa0 [ 51.718934][ T8458] nl80211_set_interface+0x497/0x7f0 [ 51.724240][ T8458] genl_rcv_msg+0xe4e/0x1280 [ 51.728835][ T8458] ? nl80211_dump_interface+0x610/0x610 [ 51.734391][ T8458] netlink_rcv_skb+0x190/0x3a0 [ 51.739159][ T8458] ? genl_rcv+0x40/0x40 [ 51.743328][ T8458] genl_rcv+0x24/0x40 [ 51.747340][ T8458] netlink_unicast+0x786/0x940 [ 51.752195][ T8458] netlink_sendmsg+0x9ae/0xd50 [ 51.756984][ T8458] ? netlink_getsockopt+0xa50/0xa50 [ 51.762224][ T8458] __sys_sendto+0x438/0x5c0 [ 51.766789][ T8458] __x64_sys_sendto+0xda/0xf0 [ 51.771601][ T8458] do_syscall_64+0x2d/0x70 [ 51.776080][ T8458] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.781974][ T8458] RIP: 0033:0x402c66 [ 51.786015][ T8458] Code: 48 c7 c0 ff ff ff ff eb b7 66 2e 0f 1f 84 00 00 00 00 00 90 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 11 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 72 c3 90 55 48 83 ec 30 44 89 4c 24 2c 4c 89 [ 51.805625][ T8458] RSP: 002b:00007ffd20868618 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 51.814660][ T8458] RAX: ffffffffffffffda RBX: 00007ffd208686e0 RCX: 0000000000402c66 [ 51.822646][ T8458] RDX: 0000000000000024 RSI: 00007ffd20868730 RDI: 0000000000000003 [ 51.830735][ T8458] RBP: 0000000000000000 R08: 00007ffd20868624 R09: 000000000000000c [ 51.838697][ T8458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 51.846655][ T8458] R13: 0000000000000003 R14: 0000000000000000 R15: 00007ffd20868730 [ 51.855415][ T8458] Kernel Offset: disabled [ 51.859831][ T8458] Rebooting in 86400 seconds..