[ 4.633253][ T24] audit: type=1400 audit(1712014414.589:9): avc: denied { append open } for pid=75 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 4.636502][ T24] audit: type=1400 audit(1712014414.589:10): avc: denied { getattr } for pid=75 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 4.910836][ T92] udevd[92]: starting version 3.2.11 [ 5.101360][ T93] udevd[93]: starting eudev-3.2.11 [ 12.581395][ T24] kauditd_printk_skb: 50 callbacks suppressed [ 12.581401][ T24] audit: type=1400 audit(1712014422.559:61): avc: denied { transition } for pid=215 comm="sshd" path="/bin/sh" dev="sda1" ino=89 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.587595][ T24] audit: type=1400 audit(1712014422.559:62): avc: denied { noatsecure } for pid=215 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.591120][ T24] audit: type=1400 audit(1712014422.559:63): avc: denied { write } for pid=215 comm="sh" path="pipe:[394]" dev="pipefs" ino=394 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 12.595822][ T24] audit: type=1400 audit(1712014422.559:64): avc: denied { rlimitinh } for pid=215 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.598684][ T24] audit: type=1400 audit(1712014422.559:65): avc: denied { siginh } for pid=215 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.0.201' (ED25519) to the list of known hosts. executing program [ 524.049075][ T24] audit: type=1400 audit(1712014934.029:66): avc: denied { execmem } for pid=781 comm="syz-executor954" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 524.053063][ T24] audit: type=1400 audit(1712014934.029:67): avc: denied { map_create } for pid=782 comm="syz-executor954" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 524.056642][ T24] audit: type=1400 audit(1712014934.029:68): avc: denied { bpf } for pid=782 comm="syz-executor954" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 524.060601][ T24] audit: type=1400 audit(1712014934.029:69): avc: denied { map_read map_write } for pid=782 comm="syz-executor954" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 524.063536][ T24] audit: type=1400 audit(1712014934.029:70): avc: denied { prog_load } for pid=782 comm="syz-executor954" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 524.066958][ T24] audit: type=1400 audit(1712014934.029:71): avc: denied { perfmon } for pid=782 comm="syz-executor954" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 executing program executing program executing program [ 524.185650][ T24] audit: type=1400 audit(1712014934.159:72): avc: denied { prog_run } for pid=782 comm="syz-executor954" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 executing program executing program executing program executing program executing program executing program executing program [ 624.407188][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 624.414009][ C0] rcu: 1-...!: (1 ticks this GP) idle=f4a/1/0x4000000000000000 softirq=3619/3620 fqs=0 last_accelerate: 56ed/7dfe dyntick_enabled: 1 [ 624.427497][ C0] (detected by 0, t=10002 jiffies, g=4733, q=20) [ 624.433823][ C0] Sending NMI from CPU 0 to CPUs 1: [ 624.441876][ C0] NMI backtrace for cpu 1 [ 624.441880][ C0] CPU: 1 PID: 110 Comm: kworker/u4:2 Not tainted 5.10.209-syzkaller-00001-ge7daca75b4c3 #0 [ 624.441883][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 624.441886][ C0] Workqueue: events_unbound toggle_allocation_gate [ 624.441890][ C0] RIP: 0010:kvm_wait+0xec/0x150 [ 624.441896][ C0] Code: 03 42 0f b6 04 20 84 c0 75 6a 41 0f b6 45 00 44 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d 55 4c d5 03 f4 0e 0f 1f 44 00 00 0f 00 2d 46 4c d5 03 fb f4 4c 89 7c 24 18 ff [ 624.441903][ C0] RSP: 0018:ffffc90000957080 EFLAGS: 00000046 [ 624.441906][ C0] RAX: 0000000000000003 RBX: 1ffff9200012ae14 RCX: ffffffff8150b554 [ 624.441909][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc900009570c0 [ 624.441912][ C0] RBP: ffffc90000957130 R08: dffffc0000000000 R09: ffffed103ee28f09 [ 624.441914][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 624.441917][ C0] R13: ffff8881f7147840 R14: 0000000000000003 R15: 0000000000000046 [ 624.441919][ C0] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 624.441922][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 624.441937][ C0] CR2: 00007f96bfdb90d0 CR3: 000000000660f000 CR4: 00000000003506a0 [ 624.441939][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 624.441942][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 624.441943][ C0] Call Trace: [ 624.441945][ C0] [ 624.441946][ C0] ? show_regs+0x58/0x60 [ 624.441948][ C0] ? nmi_cpu_backtrace+0x133/0x160 [ 624.441949][ C0] ? kvm_wait+0xec/0x150 [ 624.441951][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 624.441953][ C0] ? nmi_handle+0xa8/0x280 [ 624.441955][ C0] ? kvm_wait+0xec/0x150 [ 624.441956][ C0] ? default_do_nmi+0x69/0x160 [ 624.441958][ C0] ? exc_nmi+0xaf/0x120 [ 624.441959][ C0] ? end_repeat_nmi+0x16/0x31 [ 624.441961][ C0] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 624.441963][ C0] ? kvm_wait+0xec/0x150 [ 624.441965][ C0] ? kvm_wait+0xec/0x150 [ 624.441966][ C0] ? kvm_wait+0xec/0x150 [ 624.441967][ C0] [ 624.441969][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 624.441971][ C0] __pv_queued_spin_lock_slowpath+0x72f/0xc70 [ 624.441973][ C0] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 624.441975][ C0] ? stack_trace_save+0x1c0/0x1c0 [ 624.441977][ C0] _raw_spin_lock_irqsave+0x1a0/0x210 [ 624.441978][ C0] ? ret_from_fork+0x1f/0x30 [ 624.441980][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 624.441982][ C0] ? stack_trace_save+0x113/0x1c0 [ 624.441983][ C0] ? ret_from_fork+0x1f/0x30 [ 624.441985][ C0] ? stack_trace_snprint+0xf0/0xf0 [ 624.441987][ C0] lock_timer_base+0x12f/0x270 [ 624.441988][ C0] __mod_timer+0x1c9/0xcf0 [ 624.441990][ C0] ? kasan_save_stack+0x4b/0x60 [ 624.441992][ C0] ? kasan_save_stack+0x3b/0x60 [ 624.441994][ C0] ? __kasan_record_aux_stack+0xd3/0x100 [ 624.441996][ C0] ? kasan_record_aux_stack_noalloc+0xb/0x10 [ 624.441998][ C0] ? bpf_prog_2c29ac5cdc6b1842+0x3a/0x30c [ 624.441999][ C0] ? bpf_trace_run3+0x121/0x2c0 [ 624.442001][ C0] ? __bpf_trace_timer_start+0x2b/0x40 [ 624.442003][ C0] ? __mod_timer+0x8d3/0xcf0 [ 624.442004][ C0] ? add_timer+0x68/0x80 [ 624.442006][ C0] ? mod_timer_pending+0x30/0x30 [ 624.442008][ C0] ? ret_from_fork+0x1f/0x30 [ 624.442009][ C0] add_timer+0x68/0x80 [ 624.442011][ C0] __queue_delayed_work+0x16d/0x1f0 [ 624.442013][ C0] queue_delayed_work_on+0x10f/0x160 [ 624.442027][ C0] ? delayed_work_timer_fn+0x80/0x80 [ 624.442029][ C0] ? __kasan_check_write+0x14/0x20 [ 624.442043][ C0] kvfree_call_rcu+0x495/0x650 [ 624.442045][ C0] ? native_send_call_func_single_ipi+0x5f/0x70 [ 624.442047][ C0] ? call_rcu+0x11f0/0x11f0 [ 624.442049][ C0] ? __kasan_check_write+0x14/0x20 [ 624.442051][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 624.442052][ C0] ? smp_call_function_single+0xa2/0x510 [ 624.442054][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 624.442056][ C0] ? longest_prefix_match+0x4b8/0x650 [ 624.442058][ C0] ? smp_call_function_single+0x400/0x510 [ 624.442060][ C0] ? text_poke_sync+0x20/0x20 [ 624.442061][ C0] trie_delete_elem+0x58f/0x760 [ 624.442063][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0x30c [ 624.442065][ C0] bpf_trace_run3+0x121/0x2c0 [ 624.442066][ C0] ? __kasan_check_write+0x14/0x20 [ 624.442068][ C0] ? bpf_trace_run2+0x280/0x280 [ 624.442070][ C0] ? perf_event_text_poke+0x254/0x320 [ 624.442072][ C0] __bpf_trace_timer_start+0x2b/0x40 [ 624.442073][ C0] enqueue_timer+0x351/0x4c0 [ 624.442075][ C0] __mod_timer+0x8d3/0xcf0 [ 624.442077][ C0] ? mod_timer_pending+0x30/0x30 [ 624.442079][ C0] ? text_poke_loc_init+0x580/0x580 [ 624.442080][ C0] ? __kasan_check_write+0x14/0x20 [ 624.442082][ C0] ? mutex_lock+0xa5/0x110 [ 624.442083][ C0] ? mutex_trylock+0xa0/0xa0 [ 624.442085][ C0] ? __kasan_check_write+0x14/0x20 [ 624.442097][ C0] add_timer+0x68/0x80 [ 624.442099][ C0] __queue_delayed_work+0x16d/0x1f0 [ 624.442101][ C0] queue_delayed_work_on+0x10f/0x160 [ 624.442103][ C0] ? delayed_work_timer_fn+0x80/0x80 [ 624.442104][ C0] ? mutex_unlock+0x1c/0x40 [ 624.442106][ C0] toggle_allocation_gate+0x3fb/0x450 [ 624.442108][ C0] ? kfence_protect+0x270/0x270 [ 624.442109][ C0] ? finish_task_switch+0x130/0x5a0 [ 624.442111][ C0] ? io_schedule+0x120/0x120 [ 624.442113][ C0] ? __kasan_check_read+0x11/0x20 [ 624.442115][ C0] ? read_word_at_a_time+0x12/0x20 [ 624.442116][ C0] ? strscpy+0x9c/0x260 [ 624.442118][ C0] process_one_work+0x6dc/0xbd0 [ 624.442119][ C0] worker_thread+0xaea/0x1510 [ 624.442121][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 624.442123][ C0] ? __kasan_check_read+0x11/0x20 [ 624.442124][ C0] kthread+0x34b/0x3d0 [ 624.442126][ C0] ? worker_clr_flags+0x180/0x180 [ 624.442128][ C0] ? kthread_blkcg+0xd0/0xd0 [ 624.442129][ C0] ret_from_fork+0x1f/0x30 [ 624.442132][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.119 msecs [ 624.442189][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g4733 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 625.021086][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 625.030846][ C0] rcu: RCU grace-period kthread stack dump: [ 625.036616][ C0] task:rcu_preempt state:R running task stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 625.047148][ C0] Call Trace: [ 625.050289][ C0] __schedule+0xbe6/0x1330 [ 625.054536][ C0] ? __sched_text_start+0x8/0x8 [ 625.059212][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 625.064505][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 625.069200][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 625.074141][ C0] schedule+0x13d/0x1d0 [ 625.078136][ C0] schedule_timeout+0x18c/0x360 [ 625.082866][ C0] ? prepare_to_swait_event+0x39f/0x3e0 [ 625.088204][ C0] ? console_conditional_schedule+0x10/0x10 [ 625.094038][ C0] ? run_local_timers+0x160/0x160 [ 625.098900][ C0] ? __note_gp_changes+0x2d8/0x6f0 [ 625.103846][ C0] rcu_gp_kthread+0xefc/0x23a0 [ 625.108449][ C0] ? dump_blkd_tasks+0x7e0/0x7e0 [ 625.113219][ C0] ? rcu_barrier_callback+0x50/0x50 [ 625.118253][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 625.122942][ C0] ? __kasan_check_read+0x11/0x20 [ 625.127827][ C0] ? __kthread_parkme+0xb9/0x1c0 [ 625.132574][ C0] kthread+0x34b/0x3d0 [ 625.136478][ C0] ? rcu_barrier_callback+0x50/0x50 [ 625.141512][ C0] ? kthread_blkcg+0xd0/0xd0 [ 625.145941][ C0] ret_from_fork+0x1f/0x30