[ 11.240714][ T30] audit: type=1400 audit(1715589673.821:63): avc: denied { write } for pid=219 comm="sh" path="pipe:[13091]" dev="pipefs" ino=13091 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[ 11.244590][ T30] audit: type=1400 audit(1715589673.821:64): avc: denied { rlimitinh } for pid=219 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 11.249153][ T30] audit: type=1400 audit(1715589673.821:65): avc: denied { siginh } for pid=219 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.0.255' (ED25519) to the list of known hosts.
executing program
[ 559.227524][ T30] audit: type=1400 audit(1715590221.811:66): avc: denied { execmem } for pid=824 comm="syz-executor318" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 659.261844][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 659.268639][ C0] (detected by 0, t=10002 jiffies, g=5321, q=95)
[ 659.274877][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4295003144-4294993141), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 659.288170][ C0] rcu: rcu_preempt kthread starved for 10004 jiffies! g5321 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 659.299097][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 659.309341][ C0] rcu: RCU grace-period kthread stack dump:
[ 659.315338][ C0] task:rcu_preempt state:R running task stack:28328 pid: 14 ppid: 2 flags:0x00004000
[ 659.325931][ C0] Call Trace:
[ 659.329041][ C0]
[ 659.331819][ C0] __schedule+0xccc/0x1590
[ 659.336077][ C0] ? __sched_text_start+0x8/0x8
[ 659.340764][ C0] ? __kasan_check_write+0x14/0x20
[ 659.345708][ C0] schedule+0x11f/0x1e0
[ 659.349702][ C0] schedule_timeout+0x18c/0x370
[ 659.354386][ C0] ? _raw_spin_unlock_irq+0x4e/0x70
[ 659.359417][ C0] ? console_conditional_schedule+0x30/0x30
[ 659.365151][ C0] ? update_process_times+0x200/0x200
[ 659.370359][ C0] ? prepare_to_swait_event+0x308/0x320
[ 659.375740][ C0] rcu_gp_fqs_loop+0x2af/0xf80
[ 659.380340][ C0] ? debug_smp_processor_id+0x17/0x20
[ 659.385553][ C0] ? __note_gp_changes+0x4ab/0x920
[ 659.390618][ C0] ? rcu_gp_init+0xc30/0xc30
[ 659.395045][ C0] ? _raw_spin_unlock_irq+0x4e/0x70
[ 659.400078][ C0] ? rcu_gp_init+0x9cf/0xc30
[ 659.404504][ C0] rcu_gp_kthread+0xa4/0x350
[ 659.408931][ C0] ? _raw_spin_lock+0x1b0/0x1b0
[ 659.413620][ C0] ? rcu_barrier_callback+0x50/0x50
[ 659.418650][ C0] ? __kasan_check_read+0x11/0x20
[ 659.423511][ C0] ? __kthread_parkme+0xb2/0x200
[ 659.428285][ C0] kthread+0x421/0x510
[ 659.432193][ C0] ? rcu_barrier_callback+0x50/0x50
[ 659.437223][ C0] ? kthread_blkcg+0xd0/0xd0
[ 659.441653][ C0] ret_from_fork+0x1f/0x30
[ 659.445910][ C0]
[ 659.448769][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 659.454944][ C0] NMI backtrace for cpu 0
[ 659.459113][ C0] CPU: 0 PID: 837 Comm: syz-executor318 Not tainted 5.15.149-syzkaller-00490-g5d96939590c0 #0
[ 659.469169][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 659.479147][ C0] Call Trace:
[ 659.482276][ C0]
[ 659.484965][ C0] dump_stack_lvl+0x151/0x1b7
[ 659.489477][ C0] ? io_uring_drop_tctx_refs+0x190/0x190
[ 659.494950][ C0] dump_stack+0x15/0x17
[ 659.498940][ C0] nmi_cpu_backtrace+0x2f7/0x300
[ 659.503715][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270
[ 659.509698][ C0] ? panic+0x751/0x751
[ 659.513616][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 659.519507][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270
[ 659.525327][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 659.531224][ C0] arch_trigger_cpumask_backtrace+0x10/0x20
[ 659.536963][ C0] rcu_check_gp_kthread_starvation+0x1e3/0x250
[ 659.543205][ C0] print_other_cpu_stall+0x112d/0x1340
[ 659.548494][ C0] ? try_invoke_on_locked_down_task+0x2a0/0x2a0
[ 659.554576][ C0] ? print_cpu_stall+0x5f0/0x5f0
[ 659.559349][ C0] ? __kasan_check_write+0x14/0x20
[ 659.564299][ C0] rcu_sched_clock_irq+0xaec/0x12f0
[ 659.569328][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340
[ 659.575318][ C0] ? hrtimer_run_queues+0x15f/0x440
[ 659.580351][ C0] update_process_times+0x198/0x200
[ 659.585388][ C0] tick_sched_timer+0x188/0x240
[ 659.590254][ C0] ? tick_setup_sched_timer+0x480/0x480
[ 659.595633][ C0] __hrtimer_run_queues+0x41a/0xad0
[ 659.600671][ C0] ? hrtimer_interrupt+0xaa0/0xaa0
[ 659.605616][ C0] ? clockevents_program_event+0x22f/0x300
[ 659.611260][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0
[ 659.617204][ C0] hrtimer_interrupt+0x40c/0xaa0
[ 659.621941][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0
[ 659.627749][ C0] sysvec_apic_timer_interrupt+0x95/0xc0
[ 659.633216][ C0]
[ 659.635996][ C0]
[ 659.638778][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 659.644598][ C0] RIP: 0010:_raw_spin_unlock_irq+0x49/0x70
[ 659.650227][ C0] Code: 08 00 74 0c 48 c7 c7 d8 54 8d 86 e8 41 6c e9 fc 48 83 3d 21 78 c4 01 00 74 2a 48 89 df e8 93 09 8c fc 66 90 fb bf 01 00 00 00 12 4d 83 fc 65 8b 05 b3 90 39 7b 85 c0 74 03 5b 5d c3 e8 b3 a4
[ 659.669669][ C0] RSP: 0018:ffffc90000a67bb8 EFLAGS: 00000246
[ 659.675581][ C0] RAX: 0000000000000001 RBX: ffff888111bd4ec0 RCX: dffffc0000000000
[ 659.683392][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
[ 659.691331][ C0] RBP: ffffc90000a67bc0 R08: ffffffff81456dfa R09: fffff5200014cfc0
[ 659.699134][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888111bd4ec0
[ 659.706946][ C0] R13: ffff888111bd52e0 R14: 0000000000000021 R15: dffffc0000000000
[ 659.714761][ C0] ? get_signal+0x151a/0x1630
[ 659.719271][ C0] ? _raw_spin_unlock_irq+0x41/0x70
[ 659.724307][ C0] get_signal+0x1562/0x1630
[ 659.728649][ C0] arch_do_signal_or_restart+0xbd/0x1680
[ 659.734113][ C0] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0
[ 659.740360][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0
[ 659.745398][ C0] ? __kasan_check_write+0x14/0x20
[ 659.750431][ C0] ? _copy_from_user+0x96/0xd0
[ 659.755029][ C0] ? restore_altstack+0x274/0x400
[ 659.759890][ C0] ? get_sigframe_size+0x10/0x10
[ 659.764770][ C0] ? __ia32_sys_sigaltstack+0x70/0x70
[ 659.770062][ C0] ? __do_sys_rt_sigreturn+0x160/0x1e0
[ 659.775355][ C0] exit_to_user_mode_loop+0xa0/0xe0
[ 659.780386][ C0] exit_to_user_mode_prepare+0x5a/0xa0
[ 659.785683][ C0] syscall_exit_to_user_mode+0x26/0x160
[ 659.791062][ C0] do_syscall_64+0x49/0xb0
[ 659.795313][ C0] ? sysvec_apic_timer_interrupt+0x55/0xc0
[ 659.800957][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 659.806686][ C0] RIP: 0033:0x7fb50d555417
[ 659.810953][ C0] Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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 b0 ff ff ff f7 d8 64 89
[ 659.830524][ C0] RSP: 002b:00007fb50d516238 EFLAGS: 00000246
[ 659.836422][ C0] RAX: 00000000000000ca RBX: 00007fb50d5df308 RCX: 00007fb50d555419
[ 659.844231][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fb50d5df308
[ 659.852046][ C0] RBP: 00007fb50d5df300 R08: 00007fb50d5166c0 R09: 00007fb50d5166c0
[ 659.859857][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb50d5df30c
[ 659.867673][ C0] R13: 0000000000000000 R14: 00007fff283a9770 R15: 00007fff283a9858
[ 659.875495][ C0]
[ 715.511836][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 155s!
[ 715.520573][ C0] Showing busy workqueues and worker pools:
[ 715.526429][ C0] workqueue events: flags=0x0
[ 715.530894][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 715.530941][ C0] pending: psi_avgs_work
[ 715.530974][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 715.531015][ C0] pending: vmstat_shepherd
[ 715.531042][ C0] workqueue events_unbound: flags=0x2
[ 715.560179][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4
[ 715.560222][ C0] pending: flush_memcg_stats_dwork, toggle_allocation_gate
[ 715.560271][ C0] workqueue events_power_efficient: flags=0x80
[ 715.580572][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 715.580619][ C0] pending: neigh_periodic_work
[ 715.580647][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
[ 715.580687][ C0] pending: neigh_periodic_work, gc_worker, check_lifetime
[ 715.580744][ C0] workqueue mm_percpu_wq: flags=0x8
[ 715.612927][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 715.612983][ C0] pending: vmstat_update
[ 715.613010][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 715.613050][ C0] pending: vmstat_update
[ 715.613077][ C0] workqueue writeback: flags=0x4a
[ 715.641786][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3
[ 715.641835][ C0] pending: wb_workfn
[ 715.652915][ C0] workqueue kblockd: flags=0x18
[ 715.657575][ C0] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2
[ 715.657623][ C0] pending: blk_mq_timeout_work
[ 715.657731][ C0] workqueue dm_bufio_cache: flags=0x8
[ 715.675509][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 715.675558][ C0] pending: work_fn
[ 715.675585][ C0] workqueue ipv6_addrconf: flags=0x40008
[ 715.692348][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2
[ 715.692393][ C0] pending: addrconf_verify_work