[ 12.793195][ T30] audit: type=1400 audit(1738403511.821:64): avc: denied { rlimitinh } for pid=225 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 12.796106][ T30] audit: type=1400 audit(1738403511.821:65): avc: denied { siginh } for pid=225 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 135.227164][ T389] sshd (389) used greatest stack depth: 22064 bytes left
Warning: Permanently added '10.128.1.176' (ED25519) to the list of known hosts.
executing program
executing program
executing program
[ 141.694151][ T30] audit: type=1400 audit(1738403640.721:66): avc: denied { execmem } for pid=408 comm="syz-executor361" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 241.735466][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 241.742271][ C1] (detected by 1, t=10002 jiffies, g=1577, q=50)
[ 241.748524][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294961394-4294951391), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 241.761718][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g1577 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 241.772641][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 241.782448][ C1] rcu: RCU grace-period kthread stack dump:
[ 241.788184][ C1] task:rcu_preempt state:R running task stack:28264 pid: 14 ppid: 2 flags:0x00004000
[ 241.798790][ C1] Call Trace:
[ 241.801895][ C1]
[ 241.804675][ C1] __schedule+0xccc/0x1590
[ 241.808922][ C1] ? release_firmware_map_entry+0x190/0x190
[ 241.814650][ C1] ? __kasan_check_write+0x14/0x20
[ 241.819594][ C1] schedule+0x11f/0x1e0
[ 241.823587][ C1] schedule_timeout+0x18c/0x370
[ 241.828273][ C1] ? _raw_spin_unlock_irq+0x4e/0x70
[ 241.833309][ C1] ? console_conditional_schedule+0x30/0x30
[ 241.839039][ C1] ? update_process_times+0x200/0x200
[ 241.844243][ C1] ? prepare_to_swait_event+0x308/0x320
[ 241.849626][ C1] rcu_gp_fqs_loop+0x2af/0xf80
[ 241.854225][ C1] ? debug_smp_processor_id+0x17/0x20
[ 241.859431][ C1] ? __note_gp_changes+0x4ab/0x920
[ 241.864387][ C1] ? rcu_gp_init+0xc30/0xc30
[ 241.868807][ C1] ? _raw_spin_unlock_irq+0x4e/0x70
[ 241.873840][ C1] ? rcu_gp_init+0x9cf/0xc30
[ 241.878269][ C1] rcu_gp_kthread+0xa4/0x350
[ 241.882693][ C1] ? _raw_spin_lock+0x1b0/0x1b0
[ 241.887380][ C1] ? wake_nocb_gp+0x1e0/0x1e0
[ 241.891896][ C1] ? __kasan_check_read+0x11/0x20
[ 241.896751][ C1] ? __kthread_parkme+0xb2/0x200
[ 241.901526][ C1] kthread+0x421/0x510
[ 241.905441][ C1] ? wake_nocb_gp+0x1e0/0x1e0
[ 241.909944][ C1] ? kthread_blkcg+0xd0/0xd0
[ 241.914373][ C1] ret_from_fork+0x1f/0x30
[ 241.918625][ C1]
[ 241.921491][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 241.927670][ C1] NMI backtrace for cpu 1
[ 241.931831][ C1] CPU: 1 PID: 421 Comm: syz-executor361 Not tainted 5.15.176-syzkaller-00066-gd1a25a6a4b3b #0
[ 241.941885][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 241.951778][ C1] Call Trace:
[ 241.954905][ C1]
[ 241.957598][ C1] dump_stack_lvl+0x151/0x1c0
[ 241.962106][ C1] ? io_uring_drop_tctx_refs+0x190/0x190
[ 241.967579][ C1] dump_stack+0x15/0x20
[ 241.971567][ C1] nmi_cpu_backtrace+0x2f7/0x300
[ 241.976342][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270
[ 241.982350][ C1] ? panic+0x760/0x760
[ 241.986243][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 241.992139][ C1] nmi_trigger_cpumask_backtrace+0x15d/0x270
[ 241.997953][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 242.003858][ C1] arch_trigger_cpumask_backtrace+0x10/0x20
[ 242.009582][ C1] rcu_check_gp_kthread_starvation+0x1e3/0x250
[ 242.015576][ C1] print_other_cpu_stall+0x112d/0x1340
[ 242.020869][ C1] ? try_invoke_on_locked_down_task+0x2a0/0x2a0
[ 242.026945][ C1] ? print_cpu_stall+0x5f0/0x5f0
[ 242.031719][ C1] ? __kasan_check_write+0x14/0x20
[ 242.036663][ C1] rcu_sched_clock_irq+0xaec/0x12f0
[ 242.041701][ C1] ? rcu_boost_kthread_setaffinity+0x340/0x340
[ 242.047685][ C1] ? hrtimer_run_queues+0x15f/0x440
[ 242.052727][ C1] update_process_times+0x198/0x200
[ 242.057753][ C1] tick_sched_timer+0x188/0x240
[ 242.062438][ C1] ? tick_setup_sched_timer+0x480/0x480
[ 242.067820][ C1] __hrtimer_run_queues+0x41a/0xad0
[ 242.072857][ C1] ? hrtimer_interrupt+0xaa0/0xaa0
[ 242.077802][ C1] ? clockevents_program_event+0x22f/0x300
[ 242.083451][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0
[ 242.089364][ C1] hrtimer_interrupt+0x40c/0xaa0
[ 242.094121][ C1] __sysvec_apic_timer_interrupt+0xfb/0x3f0
[ 242.099967][ C1] sysvec_apic_timer_interrupt+0xa4/0xc0
[ 242.105410][ C1]
[ 242.108186][ C1]
[ 242.110965][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 242.116790][ C1] RIP: 0010:preempt_count_sub+0x66/0x160
[ 242.122248][ C1] Code: c1 81 e1 ff ff ff 7f 39 d9 7c 24 81 fb fe 00 00 00 77 07 0f b6 c0 85 c0 74 56 65 8b 05 8b fb b5 7e f7 db 65 01 1d 82 fb b5 7e <5b> 41 5e 5d c3 e8 80 ba 16 01 85 c0 74 f2 48 c7 c0 a8 d8 29 87 48
[ 242.141692][ C1] RSP: 0018:ffffc90000a47c28 EFLAGS: 00000297
[ 242.147599][ C1] RAX: 0000000080000001 RBX: 00000000ffffffff RCX: 0000000000000001
[ 242.155404][ C1] RDX: 0000000000000000 RSI: ffffffff85483780 RDI: 0000000000000001
[ 242.163212][ C1] RBP: ffffc90000a47c38 R08: dffffc0000000000 R09: ffffed10241b09e1
[ 242.171024][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[ 242.178846][ C1] R13: ffff888120d85e40 R14: dffffc0000000000 R15: ffffc90000a47fe8
[ 242.186652][ C1] __local_bh_enable_ip+0x58/0x80
[ 242.191507][ C1] local_bh_enable+0x1f/0x30
[ 242.195934][ C1] fpu__clear_user_states+0x187/0x210
[ 242.201142][ C1] arch_do_signal_or_restart+0x1314/0x1680
[ 242.206787][ C1] ? get_sigframe_size+0x10/0x10
[ 242.211557][ C1] ? __ia32_sys_sigaltstack+0x70/0x70
[ 242.216767][ C1] ? __do_sys_rt_sigreturn+0x160/0x1e0
[ 242.222068][ C1] exit_to_user_mode_loop+0xa0/0xe0
[ 242.227092][ C1] exit_to_user_mode_prepare+0x5a/0xa0
[ 242.232389][ C1] syscall_exit_to_user_mode+0x26/0x160
[ 242.237769][ C1] do_syscall_64+0x47/0xb0
[ 242.242019][ C1] ? clear_bhb_loop+0x35/0x90
[ 242.246533][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 242.252262][ C1] RIP: 0033:0x7f6c5cee5b30
[ 242.256519][ C1] Code: 83 c0 16 83 e0 f7 74 12 50 48 8d 3d fa 2a 03 00 e8 35 12 fb ff 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <83> ff 21 74 0b c3 66 2e 0f 1f 84 00 00 00 00 00 55 53 48 89 f3 48
[ 242.275955][ C1] RSP: 002b:00007f6c5ce7fbb8 EFLAGS: 00000246
[ 242.281860][ C1] RAX: 0000000000000000 RBX: 00007f6c5cf4a308 RCX: 00007f6c5cebfe99
[ 242.289678][ C1] RDX: 00007f6c5ce7fbc0 RSI: 00007f6c5ce7fcf0 RDI: 0000000000000021
[ 242.297480][ C1] RBP: 00007f6c5cf4a300 R08: 00007f6c5ce806c0 R09: 00007f6c5ce806c0
[ 242.305294][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6c5cf4a30c
[ 242.313118][ C1] R13: 0000000000000000 R14: 00007ffc7d562970 R15: 00007ffc7d562a58
[ 242.320917][ C1]
[ 285.405483][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 143s!
[ 285.414195][ C0] Showing busy workqueues and worker pools:
[ 285.419931][ C0] workqueue events: flags=0x0
[ 285.424434][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 285.424473][ C0] pending: psi_avgs_work
[ 285.424496][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 285.424528][ C0] pending: vmstat_shepherd
[ 285.424551][ C0] workqueue events_unbound: flags=0x2
[ 285.453594][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4
[ 285.453625][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork
[ 285.453727][ C0] workqueue events_power_efficient: flags=0x80
[ 285.473989][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
[ 285.474025][ C0] pending: neigh_periodic_work, gc_worker, check_lifetime
[ 285.474068][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 285.474099][ C0] pending: neigh_periodic_work
[ 285.474119][ C0] workqueue mm_percpu_wq: flags=0x8
[ 285.506202][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 285.506237][ C0] pending: vmstat_update
[ 285.506261][ C0] workqueue writeback: flags=0x4a
[ 285.522939][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3
[ 285.522969][ C0] pending: wb_workfn
[ 285.523151][ C0] workqueue dm_bufio_cache: flags=0x8
[ 285.539443][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 285.539480][ C0] pending: work_fn
[ 285.539548][ C0] workqueue ipv6_addrconf: flags=0x40008
[ 285.556277][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2
[ 285.556311][ C0] pending: addrconf_verify_work