Warning: Permanently added '10.128.0.24' (ECDSA) to the list of known hosts. [ 59.112824] audit: type=1400 audit(1583415396.244:36): avc: denied { map } for pid=8261 comm="syz-executor077" path="/root/syz-executor077867501" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 59.136911] IPVS: ftp: loaded support on port[0] = 21 executing program [ 59.169769] audit: type=1400 audit(1583415396.304:37): avc: denied { create } for pid=8262 comm="syz-executor077" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 59.184788] ------------[ cut here ]------------ [ 59.195741] audit: type=1400 audit(1583415396.304:38): avc: denied { write } for pid=8262 comm="syz-executor077" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 59.200299] ODEBUG: activate active (active state 1) object type: rcu_head hint: (null) [ 59.224994] audit: type=1400 audit(1583415396.304:39): avc: denied { read } for pid=8262 comm="syz-executor077" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 59.233750] WARNING: CPU: 0 PID: 8263 at lib/debugobjects.c:325 debug_print_object+0x160/0x250 [ 59.266467] Kernel panic - not syncing: panic_on_warn set ... [ 59.266467] [ 59.273943] CPU: 0 PID: 8263 Comm: syz-executor077 Not tainted 4.19.107-syzkaller #0 [ 59.281926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.291430] Call Trace: [ 59.294019] dump_stack+0x188/0x20d [ 59.297645] panic+0x26a/0x50e [ 59.300843] ? __warn_printk+0xf3/0xf3 [ 59.304730] ? debug_print_object+0x160/0x250 [ 59.309311] ? __probe_kernel_read+0x16c/0x1b0 [ 59.313982] ? __warn.cold+0x5/0x46 [ 59.317603] ? __warn+0xe4/0x1c0 [ 59.320962] ? debug_print_object+0x160/0x250 [ 59.325458] __warn.cold+0x20/0x46 [ 59.329002] ? debug_print_object+0x160/0x250 [ 59.333684] report_bug+0x262/0x2a0 [ 59.337332] do_error_trap+0x1d7/0x310 [ 59.341224] ? math_error+0x310/0x310 [ 59.345013] ? irq_work_claim+0xa6/0xc0 [ 59.348977] ? irq_work_queue+0x2b/0x80 [ 59.352949] ? wake_up_klogd+0x8c/0xc0 [ 59.356831] ? trace_hardirqs_off_caller+0x55/0x210 [ 59.361836] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 59.366672] invalid_op+0x14/0x20 [ 59.370123] RIP: 0010:debug_print_object+0x160/0x250 [ 59.375214] Code: dd 60 0f ab 87 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 60 0f ab 87 48 c7 c7 a0 04 ab 87 e8 fb 02 e7 fd <0f> 0b 83 05 c3 b6 37 06 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 59.394112] RSP: 0018:ffff88808ae47268 EFLAGS: 00010086 [ 59.399467] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 59.406763] RDX: 0000000000000000 RSI: ffffffff8152c6e1 RDI: ffffed10115c8e3f [ 59.414028] RBP: 0000000000000001 R08: ffff888089f9c140 R09: ffffed1015cc3ee3 [ 59.421302] R10: ffffed1015cc3ee2 R11: ffff8880ae61f717 R12: ffffffff88b928c0 [ 59.428583] R13: 0000000000000000 R14: ffff88812c26dcc0 R15: 1ffff110115c8e5a [ 59.435985] ? vprintk_func+0x81/0x17e [ 59.439883] ? debug_print_object+0x160/0x250 [ 59.444388] debug_object_activate+0x357/0x4e0 [ 59.448966] ? debug_object_free+0x3e0/0x3e0 [ 59.453381] ? lockdep_hardirqs_on+0x40b/0x5d0 [ 59.457965] ? route4_change+0xbab/0x2210 [ 59.462105] ? delayed_work_timer_fn+0x90/0x90 [ 59.466675] __call_rcu.constprop.0+0x31/0x7e0 [ 59.471242] ? mark_held_locks+0xa6/0xf0 [ 59.475291] queue_rcu_work+0x75/0x90 [ 59.479076] route4_change+0xe6a/0x2210 [ 59.483035] ? route4_init+0xa0/0xa0 [ 59.486766] ? route4_init+0xa0/0xa0 [ 59.490478] tc_new_tfilter+0xa6b/0x1450 [ 59.494541] ? tc_del_tfilter+0xd40/0xd40 [ 59.498676] ? __mutex_lock+0x3cd/0x1300 [ 59.502732] ? selinux_ipv4_output+0x50/0x50 [ 59.507126] ? rtnetlink_rcv_msg+0x3fe/0xaf0 [ 59.511571] ? tc_del_tfilter+0xd40/0xd40 [ 59.515712] rtnetlink_rcv_msg+0x453/0xaf0 [ 59.519934] ? rtnetlink_put_metrics+0x520/0x520 [ 59.524788] ? find_held_lock+0x2d/0x110 [ 59.528865] netlink_rcv_skb+0x160/0x410 [ 59.532925] ? rtnetlink_put_metrics+0x520/0x520 [ 59.537762] ? netlink_ack+0xa60/0xa60 [ 59.541647] netlink_unicast+0x4d7/0x6a0 [ 59.545729] ? netlink_attachskb+0x710/0x710 [ 59.550155] netlink_sendmsg+0x80b/0xcd0 [ 59.554202] ? netlink_unicast+0x6a0/0x6a0 [ 59.558421] ? move_addr_to_kernel.part.0+0x110/0x110 [ 59.563607] ? netlink_unicast+0x6a0/0x6a0 [ 59.567852] sock_sendmsg+0xcf/0x120 [ 59.571551] ___sys_sendmsg+0x803/0x920 [ 59.575512] ? copy_msghdr_from_user+0x410/0x410 [ 59.580258] ? __fget+0x319/0x510 [ 59.583760] ? lock_downgrade+0x740/0x740 [ 59.587935] ? check_preemption_disabled+0x41/0x280 [ 59.592948] ? __fget+0x340/0x510 [ 59.597125] ? iterate_fd+0x350/0x350 [ 59.600913] ? find_held_lock+0x2d/0x110 [ 59.604957] ? __fd_install+0x1b4/0x610 [ 59.608925] ? __fget_light+0x1d1/0x230 [ 59.612894] __sys_sendmsg+0xec/0x1b0 [ 59.616793] ? __ia32_sys_shutdown+0x70/0x70 [ 59.621196] ? __x64_sys_futex+0x386/0x4f0 [ 59.625424] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 59.630207] ? trace_hardirqs_off_caller+0x55/0x210 [ 59.635349] ? do_syscall_64+0x21/0x620 [ 59.639315] do_syscall_64+0xf9/0x620 [ 59.643114] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.648308] RIP: 0033:0x446e69 [ 59.651497] Code: e8 ec 0f 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 8b 0e fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 59.670399] RSP: 002b:00007f3294c6cd98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 59.678098] RAX: ffffffffffffffda RBX: 00000000006dcc68 RCX: 0000000000446e69 [ 59.685361] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 59.692619] RBP: 00000000006dcc60 R08: 0000000000000000 R09: 0000000000000000 [ 59.699880] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc6c [ 59.707176] R13: 0000000000000005 R14: 00a3a20740000000 R15: 0507002400000038 [ 59.714440] [ 59.714444] ====================================================== [ 59.714447] WARNING: possible circular locking dependency detected [ 59.714449] 4.19.107-syzkaller #0 Not tainted [ 59.714452] ------------------------------------------------------ [ 59.714454] syz-executor077/8263 is trying to acquire lock: [ 59.714456] 0000000064be6b24 ((console_sem).lock){-...}, at: down_trylock+0xe/0x60 [ 59.714464] [ 59.714468] but task is already holding lock: [ 59.714470] 00000000abd4b15e (&obj_hash[i].lock){-.-.}, at: debug_object_activate+0x131/0x4e0 [ 59.714477] [ 59.714479] which lock already depends on the new lock. [ 59.714480] [ 59.714482] [ 59.714484] the existing dependency chain (in reverse order) is: [ 59.714485] [ 59.714486] -> #5 (&obj_hash[i].lock){-.-.}: [ 59.714494] debug_object_activate+0x131/0x4e0 [ 59.714496] enqueue_hrtimer+0x27/0x3f0 [ 59.714498] hrtimer_start_range_ns+0x580/0xbe0 [ 59.714500] schedule_hrtimeout_range_clock+0x17a/0x360 [ 59.714503] wait_task_inactive+0x443/0x550 [ 59.714505] __kthread_bind_mask+0x1f/0xb0 [ 59.714507] init_rescuer.part.0+0xf2/0x190 [ 59.714509] workqueue_init+0x504/0x7e9 [ 59.714511] kernel_init_freeable+0x2bd/0x5bb [ 59.714513] kernel_init+0xd/0x1c0 [ 59.714515] ret_from_fork+0x24/0x30 [ 59.714516] [ 59.714517] -> #4 (hrtimer_bases.lock){-.-.}: [ 59.714524] lock_hrtimer_base.isra.0+0x6d/0x120 [ 59.714526] hrtimer_start_range_ns+0xf5/0xbe0 [ 59.714528] enqueue_task_rt+0x97f/0xdf0 [ 59.714531] __sched_setscheduler.constprop.0+0xc79/0x1df0 [ 59.714533] _sched_setscheduler+0xee/0x180 [ 59.714535] watchdog_dev_init+0xdd/0x1ae [ 59.714537] watchdog_init+0x14/0x17e [ 59.714539] do_one_initcall+0xf1/0x734 [ 59.714541] kernel_init_freeable+0x4c9/0x5bb [ 59.714543] kernel_init+0xd/0x1c0 [ 59.714545] ret_from_fork+0x24/0x30 [ 59.714546] [ 59.714547] -> #3 (&rt_b->rt_runtime_lock){-...}: [ 59.714554] rq_online_rt+0xaf/0x390 [ 59.714557] set_rq_online.part.0+0xe3/0x140 [ 59.714559] sched_cpu_activate+0x17f/0x270 [ 59.714561] cpuhp_invoke_callback+0x213/0x1bb0 [ 59.714563] cpuhp_thread_fun+0x440/0x840 [ 59.714565] smpboot_thread_fn+0x653/0x9d0 [ 59.714567] kthread+0x34a/0x420 [ 59.714569] ret_from_fork+0x24/0x30 [ 59.714570] [ 59.714571] -> #2 (&rq->lock){-.-.}: [ 59.714578] task_fork_fair+0x6a/0x520 [ 59.714580] sched_fork+0x3a7/0x8b0 [ 59.714582] copy_process.part.0+0x187d/0x7a60 [ 59.714584] _do_fork+0x22f/0xf40 [ 59.714586] kernel_thread+0x2f/0x40 [ 59.714587] rest_init+0x1f/0x212 [ 59.714589] start_kernel+0x7e4/0x81c [ 59.714592] secondary_startup_64+0xa4/0xb0 [ 59.714593] [ 59.714594] -> #1 (&p->pi_lock){-.-.}: [ 59.714600] try_to_wake_up+0x80/0xe90 [ 59.714602] up+0x92/0xe0 [ 59.714604] __up_console_sem+0xb3/0x1c0 [ 59.714606] console_unlock+0x64d/0xfe0 [ 59.714608] vprintk_emit+0x282/0x6e0 [ 59.714610] vprintk_func+0x79/0x17e [ 59.714612] printk+0xba/0xed [ 59.714614] kauditd_hold_skb.cold+0x41/0x50 [ 59.714616] kauditd_send_queue+0x12d/0x170 [ 59.714618] kauditd_thread+0x6f4/0xa20 [ 59.714620] kthread+0x34a/0x420 [ 59.714622] ret_from_fork+0x24/0x30 [ 59.714623] [ 59.714624] -> #0 ((console_sem).lock){-...}: [ 59.714631] _raw_spin_lock_irqsave+0x8c/0xbf [ 59.714633] down_trylock+0xe/0x60 [ 59.714636] __down_trylock_console_sem+0xa3/0x210 [ 59.714638] console_trylock+0x12/0x90 [ 59.714640] vprintk_emit+0x269/0x6e0 [ 59.714641] vprintk_func+0x79/0x17e [ 59.714643] printk+0xba/0xed [ 59.714645] __warn_printk+0x9b/0xf3 [ 59.714647] debug_print_object+0x160/0x250 [ 59.714650] debug_object_activate+0x357/0x4e0 [ 59.714652] __call_rcu.constprop.0+0x31/0x7e0 [ 59.714654] queue_rcu_work+0x75/0x90 [ 59.714656] route4_change+0xe6a/0x2210 [ 59.714658] tc_new_tfilter+0xa6b/0x1450 [ 59.714660] rtnetlink_rcv_msg+0x453/0xaf0 [ 59.714662] netlink_rcv_skb+0x160/0x410 [ 59.714664] netlink_unicast+0x4d7/0x6a0 [ 59.714666] netlink_sendmsg+0x80b/0xcd0 [ 59.714668] sock_sendmsg+0xcf/0x120 [ 59.714670] ___sys_sendmsg+0x803/0x920 [ 59.714672] __sys_sendmsg+0xec/0x1b0 [ 59.714674] do_syscall_64+0xf9/0x620 [ 59.714676] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.714677] [ 59.714680] other info that might help us debug this: [ 59.714681] [ 59.714682] Chain exists of: [ 59.714683] (console_sem).lock --> hrtimer_bases.lock --> &obj_hash[i].lock [ 59.714692] [ 59.714694] Possible unsafe locking scenario: [ 59.714695] [ 59.714698] CPU0 CPU1 [ 59.714700] ---- ---- [ 59.714701] lock(&obj_hash[i].lock); [ 59.714706] lock(hrtimer_bases.lock); [ 59.714710] lock(&obj_hash[i].lock); [ 59.714714] lock((console_sem).lock); [ 59.714718] [ 59.714720] *** DEADLOCK *** [ 59.714721] [ 59.714723] 2 locks held by syz-executor077/8263: [ 59.714724] #0: 000000006b09d508 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xaf0 [ 59.714732] #1: 00000000abd4b15e (&obj_hash[i].lock){-.-.}, at: debug_object_activate+0x131/0x4e0 [ 59.714741] [ 59.714743] stack backtrace: [ 59.714746] CPU: 0 PID: 8263 Comm: syz-executor077 Not tainted 4.19.107-syzkaller #0 [ 59.714750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.714751] Call Trace: [ 59.714753] dump_stack+0x188/0x20d [ 59.714756] print_circular_bug.isra.0.cold+0x1c4/0x282 [ 59.714758] __lock_acquire+0x2e19/0x49c0 [ 59.714760] ? add_lock_to_list.isra.0+0x179/0x330 [ 59.714762] ? save_trace+0xd6/0x290 [ 59.714764] ? mark_held_locks+0xf0/0xf0 [ 59.714766] ? format_decode+0x230/0xad0 [ 59.714768] ? kvm_clock_read+0x14/0x30 [ 59.714770] lock_acquire+0x170/0x400 [ 59.714772] ? down_trylock+0xe/0x60 [ 59.714774] _raw_spin_lock_irqsave+0x8c/0xbf [ 59.714776] ? down_trylock+0xe/0x60 [ 59.714777] down_trylock+0xe/0x60 [ 59.714779] ? vprintk_emit+0x269/0x6e0 [ 59.714782] __down_trylock_console_sem+0xa3/0x210 [ 59.714784] console_trylock+0x12/0x90 [ 59.714785] vprintk_emit+0x269/0x6e0 [ 59.714787] vprintk_func+0x79/0x17e [ 59.714789] printk+0xba/0xed [ 59.714791] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 59.714793] ? __warn_printk+0x8f/0xf3 [ 59.714795] __warn_printk+0x9b/0xf3 [ 59.714797] ? add_taint.cold+0x16/0x16 [ 59.714799] ? do_syscall_64+0xf9/0x620 [ 59.714801] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.714803] debug_print_object+0x160/0x250 [ 59.714806] debug_object_activate+0x357/0x4e0 [ 59.714808] ? debug_object_free+0x3e0/0x3e0 [ 59.714810] ? lockdep_hardirqs_on+0x40b/0x5d0 [ 59.714812] ? route4_change+0xbab/0x2210 [ 59.714814] ? delayed_work_timer_fn+0x90/0x90 [ 59.714816] __call_rcu.constprop.0+0x31/0x7e0 [ 59.714818] ? mark_held_locks+0xa6/0xf0 [ 59.714820] queue_rcu_work+0x75/0x90 [ 59.714822] route4_change+0xe6a/0x2210 [ 59.714824] ? route4_init+0xa0/0xa0 [ 59.714826] ? route4_init+0xa0/0xa0 [ 59.714828] tc_new_tfilter+0xa6b/0x1450 [ 59.714830] ? tc_del_tfilter+0xd40/0xd40 [ 59.714832] ? __mutex_lock+0x3cd/0x1300 [ 59.714834] ? selinux_ipv4_output+0x50/0x50 [ 59.714836] ? rtnetlink_rcv_msg+0x3fe/0xaf0 [ 59.714838] ? tc_del_tfilter+0xd40/0xd40 [ 59.714840] rtnetlink_rcv_msg+0x453/0xaf0 [ 59.714842] ? rtnetlink_put_metrics+0x520/0x520 [ 59.714844] ? find_held_lock+0x2d/0x110 [ 59.714846] netlink_rcv_skb+0x160/0x410 [ 59.714849] ? rtnetlink_put_metrics+0x520/0x520 [ 59.714851] ? netlink_ack+0xa60/0xa60 [ 59.714853] netlink_unicast+0x4d7/0x6a0 [ 59.714855] ? netlink_attachskb+0x710/0x710 [ 59.714857] netlink_sendmsg+0x80b/0xcd0 [ 59.714859] ? netlink_unicast+0x6a0/0x6a0 [ 59.714861] ? move_addr_to_kernel.part.0+0x110/0x110 [ 59.714863] ? netlink_unicast+0x6a0/0x6a0 [ 59.714865] sock_sendmsg+0xcf/0x120 [ 59.714867] ___sys_sendmsg+0x803/0x920 [ 59.714869] ? copy_msghdr_from_user+0x410/0x410 [ 59.714871] ? __fget+0x319/0x510 [ 59.714873] ? lock_downgrade+0x740/0x740 [ 59.714875] ? check_preemption_disabled+0x41/0x280 [ 59.714877] ? __fget+0x340/0x510 [ 59.714879] ? iterate_fd+0x350/0x350 [ 59.714881] ? find_held_lock+0x2d/0x110 [ 59.714883] ? __fd_install+0x1b4/0x610 [ 59.714885] ? __fget_light+0x1d1/0x230 [ 59.714887] __sys_sendmsg+0xec/0x1b0 [ 59.714889] ? __ia32_sys_shutdown+0x70/0x70 [ 59.714891] ? __x64_sys_futex+0x386/0x4f0 [ 59.714893] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 59.714896] ? trace_hardirqs_off_caller+0x55/0x210 [ 59.714898] ? do_syscall_64+0x21/0x620 [ 59.714900] do_syscall_64+0xf9/0x620 [ 59.714902] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.714904] RIP: 0033:0x446e69 [ 59.714913] Code: e8 ec 0f 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 8b 0e fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 59.714917] RSP: 002b:00007f3294c6cd98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 59.714925] RAX: ffffffffffffffda RBX: 00000000006dcc68 RCX: 0000000000446e69 [ 59.714930] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 59.714936] RBP: 00000000006dcc60 R08: 0000000000000000 R09: 0000000000000000 [ 59.714940] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc6c [ 59.714945] R13: 0000000000000005 R14: 00a3a20740000000 R15: 0507002400000038 [ 59.716229] Kernel Offset: disabled [ 60.657459] Rebooting in 86400 seconds..