[ 19.426007][ T30] audit: type=1400 audit(1742819138.700:64): avc: denied { rlimitinh } for pid=273 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 19.429424][ T30] audit: type=1400 audit(1742819138.700:65): avc: denied { siginh } for pid=273 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 123.505204][ T377] sshd (377) used greatest stack depth: 21592 bytes left
Warning: Permanently added '10.128.10.2' (ED25519) to the list of known hosts.
executing program
executing program
executing program
[ 130.098158][ T30] audit: type=1400 audit(1742819249.390:66): avc: denied { execmem } for pid=396 comm="syz-executor250" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 230.137418][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 230.144246][ C1] (detected by 1, t=10002 jiffies, g=1433, q=9)
[ 230.150389][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294960238-4294950235), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 230.163590][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g1433 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 230.174516][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 230.184326][ C1] rcu: RCU grace-period kthread stack dump:
[ 230.190068][ C1] task:rcu_preempt state:R running task stack:28224 pid: 14 ppid: 2 flags:0x00004000
[ 230.200658][ C1] Call Trace:
[ 230.203776][ C1]
[ 230.206565][ C1] __schedule+0xccc/0x1590
[ 230.210806][ C1] ? release_firmware_map_entry+0x190/0x190
[ 230.216535][ C1] schedule+0x11f/0x1e0
[ 230.220522][ C1] schedule_timeout+0x18c/0x370
[ 230.225204][ C1] ? _raw_spin_unlock_irq+0x4e/0x70
[ 230.230242][ C1] ? console_conditional_schedule+0x30/0x30
[ 230.235970][ C1] ? update_process_times+0x200/0x200
[ 230.241176][ C1] ? prepare_to_swait_event+0x308/0x320
[ 230.246559][ C1] rcu_gp_fqs_loop+0x2af/0xf80
[ 230.251159][ C1] ? debug_smp_processor_id+0x17/0x20
[ 230.256613][ C1] ? __note_gp_changes+0x4ab/0x920
[ 230.261557][ C1] ? rcu_gp_init+0xc30/0xc30
[ 230.265989][ C1] ? _raw_spin_unlock_irq+0x4e/0x70
[ 230.271025][ C1] ? rcu_gp_init+0x9cf/0xc30
[ 230.275445][ C1] rcu_gp_kthread+0xa4/0x350
[ 230.280157][ C1] ? _raw_spin_lock+0x1b0/0x1b0
[ 230.284862][ C1] ? wake_nocb_gp+0x1e0/0x1e0
[ 230.289364][ C1] ? __kasan_check_read+0x11/0x20
[ 230.294222][ C1] ? __kthread_parkme+0xb2/0x200
[ 230.299077][ C1] kthread+0x421/0x510
[ 230.302907][ C1] ? wake_nocb_gp+0x1e0/0x1e0
[ 230.307419][ C1] ? kthread_blkcg+0xd0/0xd0
[ 230.311842][ C1] ret_from_fork+0x1f/0x30
[ 230.316099][ C1]
[ 230.318960][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 230.325133][ C1] NMI backtrace for cpu 1
[ 230.329302][ C1] CPU: 1 PID: 408 Comm: syz-executor250 Not tainted 5.15.178-syzkaller-00013-g7d1f9b5c2ff5 #0
[ 230.339357][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 230.349254][ C1] Call Trace:
[ 230.352378][ C1]
[ 230.355067][ C1] dump_stack_lvl+0x151/0x1c0
[ 230.359581][ C1] ? io_uring_drop_tctx_refs+0x190/0x190
[ 230.365052][ C1] dump_stack+0x15/0x20
[ 230.369038][ C1] nmi_cpu_backtrace+0x2f7/0x300
[ 230.373815][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270
[ 230.379810][ C1] ? panic+0x760/0x760
[ 230.383709][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 230.389610][ C1] nmi_trigger_cpumask_backtrace+0x15d/0x270
[ 230.395425][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 230.401336][ C1] arch_trigger_cpumask_backtrace+0x10/0x20
[ 230.407056][ C1] rcu_check_gp_kthread_starvation+0x1e3/0x250
[ 230.413045][ C1] print_other_cpu_stall+0x112d/0x1340
[ 230.418340][ C1] ? try_invoke_on_locked_down_task+0x2a0/0x2a0
[ 230.424416][ C1] ? print_cpu_stall+0x5f0/0x5f0
[ 230.429222][ C1] ? __kasan_check_write+0x14/0x20
[ 230.434134][ C1] rcu_sched_clock_irq+0xaec/0x12f0
[ 230.439171][ C1] ? rcu_boost_kthread_setaffinity+0x340/0x340
[ 230.445156][ C1] ? hrtimer_run_queues+0x15f/0x440
[ 230.450193][ C1] update_process_times+0x198/0x200
[ 230.455231][ C1] tick_sched_timer+0x188/0x240
[ 230.459921][ C1] ? tick_setup_sched_timer+0x480/0x480
[ 230.465295][ C1] __hrtimer_run_queues+0x41a/0xad0
[ 230.470334][ C1] ? hrtimer_interrupt+0xaa0/0xaa0
[ 230.475385][ C1] ? clockevents_program_event+0x22f/0x300
[ 230.481052][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0
[ 230.486939][ C1] hrtimer_interrupt+0x40c/0xaa0
[ 230.491723][ C1] __sysvec_apic_timer_interrupt+0xfb/0x3f0
[ 230.497439][ C1] sysvec_apic_timer_interrupt+0xa4/0xc0
[ 230.502905][ C1]
[ 230.505683][ C1]
[ 230.508453][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 230.514278][ C1] RIP: 0010:copy_fpstate_to_sigframe+0x821/0x9a0
[ 230.520439][ C1] Code: 04 30 84 c0 0f 85 3c 01 00 00 8b 05 09 8a f7 04 48 8b 4c 24 20 48 01 c1 b8 45 58 50 46 e8 a6 db 5d 01 49 09 cf 48 8b 4c 24 60 <48> 89 c8 e8 07 27 5d 01 48 89 c6 89 d0 4c 09 fe 83 c8 03 e8 86 db
[ 230.539881][ C1] RSP: 0018:ffffc90000a379e0 EFLAGS: 00000246
[ 230.545776][ C1] RAX: 0000000046505845 RBX: ffffffff86266300 RCX: 00007fc4d8c07040
[ 230.553594][ C1] RDX: 0000000000000000 RSI: ffffffff86266330 RDI: 00007fc4d8c07040
[ 230.561400][ C1] RBP: ffffc90000a37b70 R08: 0000000000000000 R09: fffffbfff0c4cc66
[ 230.569224][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 00007fc4d8c06e40
[ 230.577057][ C1] R13: 0000000000000007 R14: dffffc0000000000 R15: 0000000000000000
[ 230.584846][ C1] ? fpregs_set+0x6f0/0x6f0
[ 230.589699][ C1] ? irqentry_exit+0x30/0x40
[ 230.594119][ C1] ? sysvec_apic_timer_interrupt+0x64/0xc0
[ 230.599762][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 230.605757][ C1] ? fpu__alloc_mathframe+0x89/0x150
[ 230.610874][ C1] get_sigframe+0x378/0x4b0
[ 230.615215][ C1] ? _raw_spin_unlock_irq+0x49/0x70
[ 230.620244][ C1] ? restore_sigcontext+0x710/0x710
[ 230.625277][ C1] arch_do_signal_or_restart+0x2ad/0x1680
[ 230.630835][ C1] ? __kasan_check_write+0x14/0x20
[ 230.635780][ C1] ? _copy_from_user+0x96/0xd0
[ 230.640378][ C1] ? restore_altstack+0x274/0x400
[ 230.645244][ C1] ? get_sigframe_size+0x10/0x10
[ 230.650018][ C1] ? __ia32_sys_sigaltstack+0x70/0x70
[ 230.655226][ C1] ? __do_sys_rt_sigreturn+0x160/0x1e0
[ 230.660552][ C1] exit_to_user_mode_loop+0xa0/0xe0
[ 230.665552][ C1] exit_to_user_mode_prepare+0x5a/0xa0
[ 230.670846][ C1] syscall_exit_to_user_mode+0x26/0x160
[ 230.676227][ C1] do_syscall_64+0x47/0xb0
[ 230.680479][ C1] ? clear_bhb_loop+0x35/0x90
[ 230.684991][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 230.690723][ C1] RIP: 0033:0x7fc4d8c46457
[ 230.694979][ 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
[ 230.714416][ C1] RSP: 002b:00007fc4d8c07218 EFLAGS: 00000246
[ 230.720319][ C1] RAX: 00000000000000ca RBX: 00007fc4d8cd0308 RCX: 00007fc4d8c46459
[ 230.728137][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc4d8cd0308
[ 230.736070][ C1] RBP: 00007fc4d8cd0300 R08: 0000000000000000 R09: 0000000000000000
[ 230.743885][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000140
[ 230.751775][ C1] R13: 000020000006b000 R14: 0000200000000100 R15: 0000200000000680
[ 230.759593][ C1]
[ 285.367415][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 154s!
[ 285.376165][ C0] Showing busy workqueues and worker pools:
[ 285.381912][ C0] workqueue events: flags=0x0
[ 285.386408][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 285.386470][ C0] pending: psi_avgs_work
[ 285.386502][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 285.386544][ C0] pending: vmstat_shepherd
[ 285.386574][ C0] workqueue events_unbound: flags=0x2
[ 285.415725][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4
[ 285.415775][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork
[ 285.415884][ C0] workqueue events_power_efficient: flags=0x80
[ 285.436434][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5
[ 285.436491][ C0] pending: neigh_periodic_work, check_lifetime, neigh_periodic_work, gc_worker
[ 285.436567][ C0] workqueue mm_percpu_wq: flags=0x8
[ 285.458231][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 285.458296][ C0] pending: vmstat_update
[ 285.458331][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 285.458376][ C0] pending: vmstat_update
[ 285.458406][ C0] workqueue writeback: flags=0x4a
[ 285.487135][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3
[ 285.487184][ C0] pending: wb_workfn
[ 285.487345][ C0] workqueue dm_bufio_cache: flags=0x8
[ 285.503640][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 285.503690][ C0] pending: work_fn
[ 285.503799][ C0] workqueue ipv6_addrconf: flags=0x40008
[ 285.520824][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2
[ 285.520882][ C0] pending: addrconf_verify_work