Warning: Permanently added '10.128.1.154' (ED25519) to the list of known hosts. executing program [ 452.262940][ T24] audit: type=1400 audit(1691208409.460:66): avc: denied { execmem } for pid=711 comm="syz-executor368" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 552.252832][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 552.259269][ C1] rcu: 1-....: (9999 ticks this GP) idle=796/1/0x4000000000000000 softirq=3409/3409 fqs=4837 last_accelerate: 3b29/6238 dyntick_enabled: 1 [ 552.273314][ C1] (t=10000 jiffies g=3785 q=2223) [ 552.278257][ C1] NMI backtrace for cpu 1 [ 552.282441][ C1] CPU: 1 PID: 712 Comm: syz-executor368 Not tainted 5.10.187-syzkaller-00057-g8a427269c016 #0 [ 552.292504][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 552.302389][ C1] Call Trace: [ 552.305511][ C1] [ 552.308383][ C1] dump_stack_lvl+0x1e2/0x24b [ 552.312801][ C1] ? panic+0x80b/0x80b [ 552.316705][ C1] ? bfq_pos_tree_add_move+0x43b/0x43b [ 552.322030][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 552.327327][ C1] ? vprintk_func+0x19d/0x1e0 [ 552.331811][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 552.336588][ C1] ? printk+0xd1/0x111 [ 552.340534][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 552.346389][ C1] dump_stack+0x15/0x17 [ 552.350414][ C1] nmi_trigger_cpumask_backtrace+0x2b5/0x300 [ 552.356197][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 552.362104][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 552.367874][ C1] rcu_dump_cpu_stacks+0x199/0x2b0 [ 552.372864][ C1] rcu_sched_clock_irq+0xf8a/0x1890 [ 552.377894][ C1] ? rcutree_dead_cpu+0x340/0x340 [ 552.382785][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 552.387790][ C1] update_process_times+0x198/0x200 [ 552.392865][ C1] tick_sched_timer+0x188/0x240 [ 552.397512][ C1] ? tick_setup_sched_timer+0x480/0x480 [ 552.402889][ C1] __hrtimer_run_queues+0x3d7/0xa50 [ 552.408099][ C1] ? hrtimer_interrupt+0x8b0/0x8b0 [ 552.413044][ C1] ? clockevents_program_event+0x214/0x2c0 [ 552.418689][ C1] ? ktime_get_update_offsets_now+0x266/0x280 [ 552.424686][ C1] hrtimer_interrupt+0x39a/0x8b0 [ 552.429450][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 552.435179][ C1] asm_call_irq_on_stack+0xf/0x20 [ 552.440035][ C1] [ 552.442816][ C1] sysvec_apic_timer_interrupt+0x85/0xe0 [ 552.448284][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 552.454116][ C1] RIP: 0010:kvm_wait+0xfc/0x150 [ 552.458786][ C1] Code: 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d e5 46 d5 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d d6 46 d5 03 fb f4 <4c> 89 7c 24 18 ff 74 24 18 9d 48 c7 44 24 20 0e 36 e0 45 49 c7 04 [ 552.478233][ C1] RSP: 0018:ffffc90000ae6b00 EFLAGS: 00000246 [ 552.484126][ C1] RAX: 0000000000000003 RBX: 1ffff9200015cd64 RCX: ffffffff8150a984 [ 552.491942][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000ae6b40 [ 552.500029][ C1] RBP: ffffc90000ae6bb0 R08: dffffc0000000000 R09: ffffed1022ba0296 [ 552.507846][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 552.515754][ C1] R13: ffff888115d014ac R14: 0000000000000003 R15: 0000000000000246 [ 552.523588][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 552.529727][ C1] ? asm_sysvec_call_function_single+0x12/0x20 [ 552.535716][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 552.540900][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 552.547125][ C1] __pv_queued_spin_lock_slowpath+0x72f/0xc70 [ 552.553020][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 552.559324][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 552.564046][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 552.569157][ C1] ? kvmalloc_node+0x82/0x130 [ 552.573632][ C1] ? __kasan_check_read+0x11/0x20 [ 552.578563][ C1] get_dist_table+0x207/0x2e0 [ 552.583049][ C1] netem_change+0x9d7/0x1fb0 [ 552.587503][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 552.592258][ C1] ? do_syscall_64+0x34/0x70 [ 552.596681][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 552.602604][ C1] ? netem_destroy+0xc0/0xc0 [ 552.607008][ C1] ? hrtimer_init+0x33/0x160 [ 552.611429][ C1] netem_init+0x5b/0xb0 [ 552.615423][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 552.620604][ C1] qdisc_create+0x879/0x12d0 [ 552.624965][ C1] ? qdisc_notify+0x370/0x370 [ 552.629547][ C1] ? __nla_parse+0x43/0x60 [ 552.633739][ C1] tc_modify_qdisc+0x8a4/0x13f0 [ 552.638474][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 552.644235][ C1] ? mutex_trylock+0xa0/0xa0 [ 552.648638][ C1] ? ns_capable+0x89/0xe0 [ 552.652770][ C1] ? netlink_net_capable+0x125/0x160 [ 552.657863][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 552.663621][ C1] rtnetlink_rcv_msg+0x955/0xc50 [ 552.668367][ C1] ? __kasan_check_write+0x14/0x20 [ 552.673326][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 552.677999][ C1] ? rtnetlink_bind+0x80/0x80 [ 552.682806][ C1] ? __kasan_check_write+0x14/0x20 [ 552.687789][ C1] ? avc_node_replace+0x1e0/0x310 [ 552.692670][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 552.698312][ C1] ? avc_update_node+0x2f8/0x710 [ 552.703076][ C1] ? avc_denied+0x13f/0x1b0 [ 552.707415][ C1] ? avc_has_perm+0x275/0x400 [ 552.711929][ C1] ? __kasan_slab_alloc+0xb1/0xe0 [ 552.716841][ C1] ? slab_post_alloc_hook+0x61/0x2f0 [ 552.721911][ C1] ? kmem_cache_alloc+0x168/0x2e0 [ 552.726769][ C1] ? avc_has_perm_noaudit+0x240/0x240 [ 552.732025][ C1] ? iov_iter_advance+0x258/0xb20 [ 552.736838][ C1] netlink_rcv_skb+0x1cf/0x410 [ 552.741438][ C1] ? rtnetlink_bind+0x80/0x80 [ 552.745949][ C1] ? netlink_ack+0xb30/0xb30 [ 552.750400][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 552.755246][ C1] rtnetlink_rcv+0x1c/0x20 [ 552.759520][ C1] netlink_unicast+0x8df/0xac0 [ 552.764120][ C1] ? netlink_detachskb+0x90/0x90 [ 552.768939][ C1] ? security_netlink_send+0x7b/0xa0 [ 552.773994][ C1] netlink_sendmsg+0xa46/0xd00 [ 552.778592][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 552.783621][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 552.788911][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 552.793946][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 552.798547][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 552.803407][ C1] ? import_iovec+0xe5/0x120 [ 552.807922][ C1] ___sys_sendmsg+0x252/0x2e0 [ 552.812784][ C1] ? __sys_sendmsg+0x280/0x280 [ 552.817384][ C1] ? __kasan_check_read+0x11/0x20 [ 552.822288][ C1] ? __fdget+0x179/0x240 [ 552.826317][ C1] __se_sys_sendmsg+0x1b1/0x280 [ 552.831005][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 552.835781][ C1] ? security_file_ioctl+0x84/0xb0 [ 552.840730][ C1] ? debug_smp_processor_id+0x17/0x20 [ 552.845935][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 552.850533][ C1] do_syscall_64+0x34/0x70 [ 552.854784][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 552.860517][ C1] RIP: 0033:0x7f6ffe9fcbf9 [ 552.864781][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 552.884209][ C1] RSP: 002b:00007ffd1bdb1bc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 552.892450][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ffe9fcbf9 [ 552.900381][ C1] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 552.908164][ C1] RBP: 00007f6ffea6f5f0 R08: 0000000000000000 R09: 0000000000000006 [ 552.915973][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 552.923783][ C1] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 552.932681][ T24] audit: type=1400 audit(1691208510.130:67): avc: denied { remove_name } for pid=75 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 552.957919][ T24] audit: type=1400 audit(1691208510.130:68): avc: denied { rename } for pid=75 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 704.965735][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor368:712] [ 704.974155][ C1] Modules linked in: [ 704.977890][ C1] CPU: 1 PID: 712 Comm: syz-executor368 Not tainted 5.10.187-syzkaller-00057-g8a427269c016 #0 [ 704.987943][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 704.997844][ C1] RIP: 0010:kvm_wait+0xfc/0x150 [ 705.002522][ C1] Code: 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d e5 46 d5 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d d6 46 d5 03 fb f4 <4c> 89 7c 24 18 ff 74 24 18 9d 48 c7 44 24 20 0e 36 e0 45 49 c7 04 [ 705.022973][ C1] RSP: 0018:ffffc90000ae6b00 EFLAGS: 00000246 [ 705.028923][ C1] RAX: 0000000000000003 RBX: 1ffff9200015cd64 RCX: ffffffff8150a984 [ 705.036826][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000ae6b40 [ 705.044643][ C1] RBP: ffffc90000ae6bb0 R08: dffffc0000000000 R09: ffffed1022ba0296 [ 705.052547][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 705.060349][ C1] R13: ffff888115d014ac R14: 0000000000000003 R15: 0000000000000246 [ 705.068171][ C1] FS: 0000555556bb6380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 705.076924][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 705.083341][ C1] CR2: 0000000020000080 CR3: 0000000107fde000 CR4: 00000000003506a0 [ 705.091170][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 705.098966][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 705.106862][ C1] Call Trace: [ 705.109983][ C1] [ 705.112766][ C1] ? show_regs+0x58/0x60 [ 705.116768][ C1] ? watchdog_timer_fn+0x471/0x590 [ 705.121704][ C1] ? proc_watchdog_cpumask+0xd0/0xd0 [ 705.126866][ C1] ? __hrtimer_run_queues+0x3d7/0xa50 [ 705.132032][ C1] ? hrtimer_interrupt+0x8b0/0x8b0 [ 705.136983][ C1] ? clockevents_program_event+0x214/0x2c0 [ 705.142618][ C1] ? ktime_get_update_offsets_now+0x266/0x280 [ 705.148526][ C1] ? hrtimer_interrupt+0x39a/0x8b0 [ 705.153487][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 705.159399][ C1] ? asm_call_irq_on_stack+0xf/0x20 [ 705.164411][ C1] [ 705.167206][ C1] ? sysvec_apic_timer_interrupt+0x85/0xe0 [ 705.172836][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 705.178836][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 705.184894][ C1] ? kvm_wait+0xfc/0x150 [ 705.188975][ C1] ? asm_sysvec_call_function_single+0x12/0x20 [ 705.194961][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 705.199906][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 705.205990][ C1] __pv_queued_spin_lock_slowpath+0x72f/0xc70 [ 705.211880][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 705.218133][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 705.222901][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 705.227939][ C1] ? kvmalloc_node+0x82/0x130 [ 705.232448][ C1] ? __kasan_check_read+0x11/0x20 [ 705.237312][ C1] get_dist_table+0x207/0x2e0 [ 705.241850][ C1] netem_change+0x9d7/0x1fb0 [ 705.246259][ C1] ? __x64_sys_sendmsg+0x7b/0x90 [ 705.251027][ C1] ? do_syscall_64+0x34/0x70 [ 705.255455][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 705.261360][ C1] ? netem_destroy+0xc0/0xc0 [ 705.265780][ C1] ? hrtimer_init+0x33/0x160 [ 705.270203][ C1] netem_init+0x5b/0xb0 [ 705.274196][ C1] ? qdisc_peek_dequeued+0x230/0x230 [ 705.279313][ C1] qdisc_create+0x879/0x12d0 [ 705.283916][ C1] ? qdisc_notify+0x370/0x370 [ 705.288452][ C1] ? __nla_parse+0x43/0x60 [ 705.292749][ C1] tc_modify_qdisc+0x8a4/0x13f0 [ 705.297375][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 705.303118][ C1] ? mutex_trylock+0xa0/0xa0 [ 705.307631][ C1] ? ns_capable+0x89/0xe0 [ 705.311780][ C1] ? netlink_net_capable+0x125/0x160 [ 705.317007][ C1] ? qdisc_offload_graft_helper+0x280/0x280 [ 705.322825][ C1] rtnetlink_rcv_msg+0x955/0xc50 [ 705.327577][ C1] ? __kasan_check_write+0x14/0x20 [ 705.332522][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 705.337207][ C1] ? rtnetlink_bind+0x80/0x80 [ 705.341720][ C1] ? __kasan_check_write+0x14/0x20 [ 705.346772][ C1] ? avc_node_replace+0x1e0/0x310 [ 705.351614][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 705.357264][ C1] ? avc_update_node+0x2f8/0x710 [ 705.362032][ C1] ? avc_denied+0x13f/0x1b0 [ 705.366482][ C1] ? avc_has_perm+0x275/0x400 [ 705.370988][ C1] ? __kasan_slab_alloc+0xb1/0xe0 [ 705.375853][ C1] ? slab_post_alloc_hook+0x61/0x2f0 [ 705.380967][ C1] ? kmem_cache_alloc+0x168/0x2e0 [ 705.385831][ C1] ? avc_has_perm_noaudit+0x240/0x240 [ 705.391042][ C1] ? iov_iter_advance+0x258/0xb20 [ 705.395901][ C1] netlink_rcv_skb+0x1cf/0x410 [ 705.400500][ C1] ? rtnetlink_bind+0x80/0x80 [ 705.405013][ C1] ? netlink_ack+0xb30/0xb30 [ 705.409439][ C1] ? __netlink_lookup+0x37b/0x3a0 [ 705.414298][ C1] rtnetlink_rcv+0x1c/0x20 [ 705.418557][ C1] netlink_unicast+0x8df/0xac0 [ 705.423152][ C1] ? netlink_detachskb+0x90/0x90 [ 705.427928][ C1] ? security_netlink_send+0x7b/0xa0 [ 705.433045][ C1] netlink_sendmsg+0xa46/0xd00 [ 705.437644][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 705.442773][ C1] ? security_socket_sendmsg+0x82/0xb0 [ 705.448072][ C1] ? netlink_getsockopt+0x5c0/0x5c0 [ 705.453111][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 705.457706][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 705.462567][ C1] ? import_iovec+0xe5/0x120 [ 705.466995][ C1] ___sys_sendmsg+0x252/0x2e0 [ 705.471545][ C1] ? __sys_sendmsg+0x280/0x280 [ 705.476110][ C1] ? __kasan_check_read+0x11/0x20 [ 705.480966][ C1] ? __fdget+0x179/0x240 [ 705.485053][ C1] __se_sys_sendmsg+0x1b1/0x280 [ 705.489740][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 705.494507][ C1] ? security_file_ioctl+0x84/0xb0 [ 705.499476][ C1] ? debug_smp_processor_id+0x17/0x20 [ 705.504666][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 705.509282][ C1] do_syscall_64+0x34/0x70 [ 705.513607][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 705.519349][ C1] RIP: 0033:0x7f6ffe9fcbf9 [ 705.523645][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 705.543321][ C1] RSP: 002b:00007ffd1bdb1bc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 705.551567][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ffe9fcbf9 [ 705.559514][ C1] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 705.567311][ C1] RBP: 00007f6ffea6f5f0 R08: 0000000000000000 R09: 0000000000000006 [ 705.575904][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 705.583719][ C1] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001