[ 4.578473][ T100] udevd (100) used greatest stack depth: 22096 bytes left
[ 6.323647][ T30] kauditd_printk_skb: 48 callbacks suppressed
[ 6.323665][ T30] audit: type=1400 audit(1733702288.593:59): avc: denied { search } for pid=181 comm="ssh-keygen" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:ssh_keygen_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[ 6.349152][ T30] audit: type=1400 audit(1733702288.613:60): avc: denied { use } for pid=186 comm="sshd" path="/dev/null" dev="devtmpfs" ino=4 scontext=system_u:system_r:sshd_t tcontext=system_u:system_r:kernel_t tclass=fd permissive=1
[ 11.894650][ T30] audit: type=1400 audit(1733702294.163:61): avc: denied { transition } for pid=222 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
[ 11.900891][ T30] audit: type=1400 audit(1733702294.163:62): avc: denied { noatsecure } for pid=222 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 11.905723][ T30] audit: type=1400 audit(1733702294.163:63): avc: denied { write } for pid=222 comm="sh" path="pipe:[14102]" dev="pipefs" ino=14102 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[ 11.909292][ T30] audit: type=1400 audit(1733702294.163:64): avc: denied { rlimitinh } for pid=222 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 11.913629][ T30] audit: type=1400 audit(1733702294.163:65): avc: denied { siginh } for pid=222 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 275.960699][ T528] sshd (528) used greatest stack depth: 22064 bytes left
Warning: Permanently added '10.128.0.190' (ED25519) to the list of known hosts.
executing program
executing program
executing program
[ 283.705055][ T30] audit: type=1400 audit(1733702565.973:66): avc: denied { execmem } for pid=548 comm="syz-executor699" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 383.740300][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 383.747304][ C0] (detected by 0, t=10002 jiffies, g=2857, q=237)
[ 383.753630][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294975589-4294965586), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 383.766834][ C0] rcu: rcu_preempt kthread starved for 10004 jiffies! g2857 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 383.777756][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 383.787563][ C0] rcu: RCU grace-period kthread stack dump:
[ 383.793560][ C0] task:rcu_preempt state:R running task stack:28264 pid: 14 ppid: 2 flags:0x00004000
[ 383.804153][ C0] Call Trace:
[ 383.807265][ C0]
[ 383.810072][ C0] __schedule+0xccc/0x1590
[ 383.814298][ C0] ? release_firmware_map_entry+0x190/0x190
[ 383.820032][ C0] schedule+0x11f/0x1e0
[ 383.824020][ C0] schedule_timeout+0x18c/0x370
[ 383.828706][ C0] ? _raw_spin_unlock_irq+0x4e/0x70
[ 383.833743][ C0] ? console_conditional_schedule+0x30/0x30
[ 383.839470][ C0] ? update_process_times+0x200/0x200
[ 383.844678][ C0] ? prepare_to_swait_event+0x308/0x320
[ 383.850056][ C0] rcu_gp_fqs_loop+0x2af/0xf80
[ 383.854660][ C0] ? debug_smp_processor_id+0x17/0x20
[ 383.859861][ C0] ? __note_gp_changes+0x4ab/0x920
[ 383.864814][ C0] ? rcu_gp_init+0xc30/0xc30
[ 383.869234][ C0] ? _raw_spin_unlock_irq+0x4e/0x70
[ 383.874271][ C0] ? rcu_gp_init+0x9cf/0xc30
[ 383.878796][ C0] rcu_gp_kthread+0xa4/0x350
[ 383.883320][ C0] ? _raw_spin_lock+0x1b0/0x1b0
[ 383.887999][ C0] ? wake_nocb_gp+0x1e0/0x1e0
[ 383.892512][ C0] ? __kasan_check_read+0x11/0x20
[ 383.897375][ C0] ? __kthread_parkme+0xb2/0x200
[ 383.902493][ C0] kthread+0x421/0x510
[ 383.906453][ C0] ? wake_nocb_gp+0x1e0/0x1e0
[ 383.910913][ C0] ? kthread_blkcg+0xd0/0xd0
[ 383.915340][ C0] ret_from_fork+0x1f/0x30
[ 383.919591][ C0]
[ 383.922454][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 383.928632][ C0] NMI backtrace for cpu 0
[ 383.932795][ C0] CPU: 0 PID: 561 Comm: syz-executor699 Not tainted 5.15.170-syzkaller-00174-g431fb5556be3 #0
[ 383.942850][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 383.952744][ C0] Call Trace:
[ 383.955874][ C0]
[ 383.958559][ C0] dump_stack_lvl+0x151/0x1c0
[ 383.963073][ C0] ? io_uring_drop_tctx_refs+0x190/0x190
[ 383.968543][ C0] dump_stack+0x15/0x20
[ 383.972533][ C0] nmi_cpu_backtrace+0x2f7/0x300
[ 383.977310][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270
[ 383.983318][ C0] ? panic+0x760/0x760
[ 383.987202][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 383.993101][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270
[ 383.998920][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 384.004821][ C0] arch_trigger_cpumask_backtrace+0x10/0x20
[ 384.010553][ C0] rcu_check_gp_kthread_starvation+0x1e3/0x250
[ 384.016537][ C0] print_other_cpu_stall+0x112d/0x1340
[ 384.021832][ C0] ? try_invoke_on_locked_down_task+0x2a0/0x2a0
[ 384.027909][ C0] ? print_cpu_stall+0x5f0/0x5f0
[ 384.032682][ C0] ? __kasan_check_write+0x14/0x20
[ 384.037629][ C0] rcu_sched_clock_irq+0xaec/0x12f0
[ 384.042662][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340
[ 384.048655][ C0] ? hrtimer_run_queues+0x15f/0x440
[ 384.053685][ C0] update_process_times+0x198/0x200
[ 384.058724][ C0] tick_sched_timer+0x188/0x240
[ 384.063406][ C0] ? tick_setup_sched_timer+0x480/0x480
[ 384.068790][ C0] __hrtimer_run_queues+0x41a/0xad0
[ 384.073826][ C0] ? hrtimer_interrupt+0xaa0/0xaa0
[ 384.078767][ C0] ? clockevents_program_event+0x22f/0x300
[ 384.084411][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0
[ 384.090311][ C0] hrtimer_interrupt+0x40c/0xaa0
[ 384.095091][ C0] __sysvec_apic_timer_interrupt+0xfb/0x3f0
[ 384.100901][ C0] sysvec_apic_timer_interrupt+0xa4/0xc0
[ 384.106369][ C0]
[ 384.109146][ C0]
[ 384.111921][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 384.117741][ C0] RIP: 0010:_raw_spin_unlock_irq+0x49/0x70
[ 384.123383][ C0] Code: 08 00 74 0c 48 c7 c7 d8 59 ad 86 e8 f1 6b cb fc 48 83 3d 31 07 c6 01 00 74 2a 48 89 df e8 d3 cf 6d fc 66 90 fb bf 01 00 00 00 f2 18 65 fc 65 8b 05 c3 1a 1b 7b 85 c0 74 03 5b 5d c3 e8 f3 34
[ 384.142822][ C0] RSP: 0018:ffffc90000a67bb8 EFLAGS: 00000246
[ 384.148727][ C0] RAX: 0000000000000001 RBX: ffff88811b3108c0 RCX: dffffc0000000000
[ 384.156536][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
[ 384.164353][ C0] RBP: ffffc90000a67bc0 R08: ffffffff8145abca R09: fffff5200014cfc0
[ 384.172157][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811b3108c0
[ 384.179967][ C0] R13: ffff88811b310ce0 R14: 0000000000000021 R15: dffffc0000000000
[ 384.187782][ C0] ? get_signal+0x151a/0x1630
[ 384.192295][ C0] ? _raw_spin_unlock_irq+0x41/0x70
[ 384.197325][ C0] get_signal+0x1562/0x1630
[ 384.201671][ C0] arch_do_signal_or_restart+0xbd/0x1680
[ 384.207136][ C0] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0
[ 384.213386][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0
[ 384.218335][ C0] ? __kasan_check_write+0x14/0x20
[ 384.223279][ C0] ? _copy_from_user+0x96/0xd0
[ 384.227888][ C0] ? restore_altstack+0x274/0x400
[ 384.232825][ C0] ? get_sigframe_size+0x10/0x10
[ 384.237701][ C0] ? __ia32_sys_sigaltstack+0x70/0x70
[ 384.242910][ C0] ? __do_sys_rt_sigreturn+0x160/0x1e0
[ 384.248205][ C0] exit_to_user_mode_loop+0xa0/0xe0
[ 384.253240][ C0] exit_to_user_mode_prepare+0x5a/0xa0
[ 384.258537][ C0] syscall_exit_to_user_mode+0x26/0x160
[ 384.264034][ C0] do_syscall_64+0x47/0xb0
[ 384.268284][ C0] ? clear_bhb_loop+0x35/0x90
[ 384.272813][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 384.278520][ C0] RIP: 0033:0x7f7851dcbe97
[ 384.282786][ 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
[ 384.302216][ C0] RSP: 002b:00007f7851d8c178 EFLAGS: 00000246
[ 384.308118][ C0] RAX: 00000000000000ca RBX: 00007f7851e56308 RCX: 00007f7851dcbe99
[ 384.315932][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7851e56308
[ 384.323740][ C0] RBP: 00007f7851e56300 R08: 00007f7851d8c6c0 R09: 00007f7851d8c6c0
[ 384.331558][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7851e5630c
[ 384.339370][ C0] R13: 0000000000000000 R14: 00007ffea2a0b450 R15: 00007ffea2a0b538
[ 384.347182][ C0]
[ 428.820306][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 144s!
[ 428.829043][ C0] Showing busy workqueues and worker pools:
[ 428.834786][ C0] workqueue events: flags=0x0
[ 428.839371][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 428.839418][ C0] pending: psi_avgs_work
[ 428.839447][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 428.839487][ C0] pending: vmstat_shepherd
[ 428.839521][ C0] workqueue events_unbound: flags=0x2
[ 428.868664][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4
[ 428.868708][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork
[ 428.868757][ C0] workqueue events_power_efficient: flags=0x80
[ 428.889145][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 428.889192][ C0] pending: neigh_periodic_work
[ 428.889216][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
[ 428.889253][ C0] pending: neigh_periodic_work, gc_worker, check_lifetime
[ 428.889325][ C0] workqueue mm_percpu_wq: flags=0x8
[ 428.921520][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 428.921567][ C0] pending: vmstat_update
[ 428.921594][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 428.921633][ C0] pending: vmstat_update
[ 428.921658][ C0] workqueue writeback: flags=0x4a
[ 428.950288][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3
[ 428.950330][ C0] pending: wb_workfn
[ 428.950449][ C0] workqueue dm_bufio_cache: flags=0x8
[ 428.966739][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 428.966785][ C0] pending: work_fn
[ 428.966815][ C0] workqueue ipv6_addrconf: flags=0x40008
[ 428.983688][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2
[ 428.983735][ C0] pending: addrconf_verify_work