[ 11.455916][ T30] audit: type=1400 audit(1716249018.797:63): avc: denied { write } for pid=220 comm="sh" path="pipe:[13363]" dev="pipefs" ino=13363 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[ 11.459093][ T30] audit: type=1400 audit(1716249018.797:64): avc: denied { rlimitinh } for pid=220 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 11.462410][ T30] audit: type=1400 audit(1716249018.797:65): avc: denied { siginh } for pid=220 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.10.40' (ED25519) to the list of known hosts.
executing program
executing program
executing program
executing program
[ 491.500367][ T30] audit: type=1400 audit(1716249498.847:66): avc: denied { execmem } for pid=756 comm="syz-executor220" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 591.517349][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 591.524269][ C1] (detected by 1, t=10002 jiffies, g=4509, q=192)
[ 591.530573][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294996370-4294986368), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 591.543767][ C1] rcu: rcu_preempt kthread starved for 10002 jiffies! g4509 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 591.554700][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 591.564506][ C1] rcu: RCU grace-period kthread stack dump:
[ 591.570243][ C1] task:rcu_preempt state:R running task stack:28328 pid: 14 ppid: 2 flags:0x00004000
[ 591.580853][ C1] Call Trace:
[ 591.583950][ C1]
[ 591.586729][ C1] __schedule+0xccc/0x1590
[ 591.590982][ C1] ? __sched_text_start+0x8/0x8
[ 591.595664][ C1] ? __kasan_check_write+0x14/0x20
[ 591.600613][ C1] ? __kasan_check_write+0x14/0x20
[ 591.605561][ C1] schedule+0x11f/0x1e0
[ 591.609553][ C1] schedule_timeout+0x18c/0x370
[ 591.614241][ C1] ? __update_idle_core+0x2a0/0x2a0
[ 591.619271][ C1] ? console_conditional_schedule+0x30/0x30
[ 591.625001][ C1] ? update_process_times+0x200/0x200
[ 591.630211][ C1] ? prepare_to_swait_event+0x308/0x320
[ 591.635591][ C1] rcu_gp_fqs_loop+0x2af/0xf80
[ 591.640191][ C1] ? debug_smp_processor_id+0x17/0x20
[ 591.645398][ C1] ? __note_gp_changes+0x4ab/0x920
[ 591.650345][ C1] ? rcu_gp_init+0xc30/0xc30
[ 591.654774][ C1] ? _raw_spin_unlock_irq+0x4e/0x70
[ 591.659806][ C1] ? rcu_gp_init+0x9cf/0xc30
[ 591.664234][ C1] rcu_gp_kthread+0xa4/0x350
[ 591.668666][ C1] ? _raw_spin_lock+0x1b0/0x1b0
[ 591.673432][ C1] ? rcu_barrier_callback+0x50/0x50
[ 591.678471][ C1] ? __kasan_check_read+0x11/0x20
[ 591.683334][ C1] ? __kthread_parkme+0xb2/0x200
[ 591.688110][ C1] kthread+0x421/0x510
[ 591.692005][ C1] ? rcu_barrier_callback+0x50/0x50
[ 591.697041][ C1] ? kthread_blkcg+0xd0/0xd0
[ 591.701466][ C1] ret_from_fork+0x1f/0x30
[ 591.705724][ C1]
[ 591.708582][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 591.714757][ C1] NMI backtrace for cpu 1
[ 591.718924][ C1] CPU: 1 PID: 769 Comm: syz-executor220 Not tainted 5.15.149-syzkaller-00490-g5d96939590c0 #0
[ 591.729002][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 591.738879][ C1] Call Trace:
[ 591.742004][ C1]
[ 591.744710][ C1] dump_stack_lvl+0x151/0x1b7
[ 591.749203][ C1] ? io_uring_drop_tctx_refs+0x190/0x190
[ 591.754672][ C1] dump_stack+0x15/0x17
[ 591.758673][ C1] nmi_cpu_backtrace+0x2f7/0x300
[ 591.763439][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270
[ 591.769434][ C1] ? panic+0x751/0x751
[ 591.773339][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 591.779234][ C1] nmi_trigger_cpumask_backtrace+0x15d/0x270
[ 591.785047][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 591.790953][ C1] arch_trigger_cpumask_backtrace+0x10/0x20
[ 591.796680][ C1] rcu_check_gp_kthread_starvation+0x1e3/0x250
[ 591.802669][ C1] print_other_cpu_stall+0x112d/0x1340
[ 591.807968][ C1] ? print_cpu_stall+0x5f0/0x5f0
[ 591.812739][ C1] rcu_sched_clock_irq+0xaec/0x12f0
[ 591.817772][ C1] ? rcu_boost_kthread_setaffinity+0x340/0x340
[ 591.823759][ C1] ? hrtimer_run_queues+0x15f/0x440
[ 591.828796][ C1] update_process_times+0x198/0x200
[ 591.833830][ C1] tick_sched_timer+0x188/0x240
[ 591.838513][ C1] ? tick_setup_sched_timer+0x480/0x480
[ 591.843896][ C1] __hrtimer_run_queues+0x41a/0xad0
[ 591.848930][ C1] ? hrtimer_interrupt+0xaa0/0xaa0
[ 591.853878][ C1] ? clockevents_program_event+0x236/0x300
[ 591.859516][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0
[ 591.865421][ C1] hrtimer_interrupt+0x40c/0xaa0
[ 591.870199][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0
[ 591.875922][ C1] sysvec_apic_timer_interrupt+0x95/0xc0
[ 591.881390][ C1]
[ 591.884165][ C1]
[ 591.886945][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 591.892770][ C1] RIP: 0010:_raw_spin_unlock_irq+0x49/0x70
[ 591.898401][ C1] 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
[ 591.917843][ C1] RSP: 0018:ffffc90000a57bb8 EFLAGS: 00000246
[ 591.923746][ C1] RAX: 0000000000000001 RBX: ffff88810dc04ec0 RCX: dffffc0000000000
[ 591.931556][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
[ 591.939367][ C1] RBP: ffffc90000a57bc0 R08: ffffffff81456dfa R09: fffff5200014afc0
[ 591.947186][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810dc04ec0
[ 591.954989][ C1] R13: ffff88810dc052e0 R14: 0000000000000021 R15: dffffc0000000000
[ 591.962805][ C1] ? get_signal+0x151a/0x1630
[ 591.967316][ C1] ? _raw_spin_unlock_irq+0x41/0x70
[ 591.972350][ C1] get_signal+0x1562/0x1630
[ 591.976694][ C1] arch_do_signal_or_restart+0xbd/0x1680
[ 591.982160][ C1] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0
[ 591.988406][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0
[ 591.993352][ C1] ? __kasan_check_write+0x14/0x20
[ 591.998299][ C1] ? _copy_from_user+0x96/0xd0
[ 592.002901][ C1] ? restore_altstack+0x274/0x400
[ 592.007764][ C1] ? get_sigframe_size+0x10/0x10
[ 592.012536][ C1] ? __ia32_sys_sigaltstack+0x70/0x70
[ 592.017749][ C1] ? __do_sys_rt_sigreturn+0x160/0x1e0
[ 592.023039][ C1] exit_to_user_mode_loop+0xa0/0xe0
[ 592.028074][ C1] exit_to_user_mode_prepare+0x5a/0xa0
[ 592.033364][ C1] syscall_exit_to_user_mode+0x26/0x160
[ 592.038747][ C1] do_syscall_64+0x49/0xb0
[ 592.042998][ C1] ? sysvec_apic_timer_interrupt+0x55/0xc0
[ 592.048645][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 592.054369][ C1] RIP: 0033:0x7f9be8993417
[ 592.058625][ C1] 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
[ 592.078064][ C1] RSP: 002b:00007f9be8954238 EFLAGS: 00000246
[ 592.083968][ C1] RAX: 00000000000000ca RBX: 00007f9be8a1d308 RCX: 00007f9be8993419
[ 592.091780][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9be8a1d308
[ 592.099589][ C1] RBP: 00007f9be8a1d300 R08: 00007f9be89546c0 R09: 00007f9be89546c0
[ 592.107399][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9be8a1d30c
[ 592.115224][ C1] R13: 0000000000000000 R14: 00007ffc2caf62d0 R15: 00007ffc2caf63b8
[ 592.123027][ C1]
[ 715.497370][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 223s!
[ 715.506095][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 217s!
[ 715.514962][ C0] Showing busy workqueues and worker pools:
[ 715.520699][ C0] workqueue events: flags=0x0
[ 715.525190][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
[ 715.525230][ C0] pending: vmstat_shepherd, psi_avgs_work
[ 715.525273][ C0] workqueue events_unbound: flags=0x2
[ 715.543762][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4
[ 715.543797][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork
[ 715.543840][ C0] workqueue events_power_efficient: flags=0x80
[ 715.564159][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
[ 715.564197][ C0] pending: neigh_periodic_work, check_lifetime
[ 715.564234][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
[ 715.564268][ C0] pending: gc_worker, neigh_periodic_work
[ 715.564304][ C0] workqueue mm_percpu_wq: flags=0x8
[ 715.596640][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 715.596687][ C0] pending: vmstat_update
[ 715.596719][ C0] workqueue writeback: flags=0x4a
[ 715.613388][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3
[ 715.613430][ C0] pending: wb_workfn
[ 715.613457][ C0] workqueue kblockd: flags=0x18
[ 715.629198][ C0] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2
[ 715.629238][ C0] pending: blk_mq_timeout_work
[ 715.629268][ C0] workqueue dm_bufio_cache: flags=0x8
[ 715.646984][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 715.647036][ C0] pending: work_fn
[ 715.647136][ C0] workqueue ipv6_addrconf: flags=0x40008
[ 715.663954][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2
[ 715.663994][ C0] pending: addrconf_verify_work