[ 4.241150][ T100] udevd[100]: starting version 3.2.11
[ 4.272232][ T101] udevd[101]: starting eudev-3.2.11
[ 4.274877][ T100] udevd (100) used greatest stack depth: 22096 bytes left
[ 8.082220][ T104] udevd (104) used greatest stack depth: 19808 bytes left
[ 12.400674][ T30] kauditd_printk_skb: 50 callbacks suppressed
[ 12.400690][ T30] audit: type=1400 audit(1731492615.769:61): avc: denied { transition } for pid=224 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
[ 12.410137][ T30] audit: type=1400 audit(1731492615.769:62): avc: denied { noatsecure } for pid=224 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 12.416716][ T30] audit: type=1400 audit(1731492615.769:63): avc: denied { write } for pid=224 comm="sh" path="pipe:[14042]" dev="pipefs" ino=14042 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[ 12.421194][ T30] audit: type=1400 audit(1731492615.769:64): avc: denied { rlimitinh } for pid=224 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 12.424371][ T30] audit: type=1400 audit(1731492615.769:65): avc: denied { siginh } for pid=224 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.1.2' (ED25519) to the list of known hosts.
executing program
executing program
executing program
executing program
[ 143.960254][ T30] audit: type=1400 audit(1731492747.329:66): avc: denied { execmem } for pid=410 comm="syz-executor414" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 243.978081][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 243.984916][ C1] (detected by 1, t=10002 jiffies, g=1821, q=193)
[ 243.991244][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294961615-4294951612), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 244.004440][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g1821 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 244.015368][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 244.025176][ C1] rcu: RCU grace-period kthread stack dump:
[ 244.030912][ C1] task:rcu_preempt state:R running task stack:28264 pid: 14 ppid: 2 flags:0x00004000
[ 244.041499][ C1] Call Trace:
[ 244.044628][ C1]
[ 244.047404][ C1] __schedule+0xccc/0x1590
[ 244.051654][ C1] ? release_firmware_map_entry+0x190/0x190
[ 244.057379][ C1] ? __kasan_check_write+0x14/0x20
[ 244.062326][ C1] schedule+0x11f/0x1e0
[ 244.066322][ C1] schedule_timeout+0x18c/0x370
[ 244.071013][ C1] ? __update_idle_core+0x2a0/0x2a0
[ 244.076040][ C1] ? console_conditional_schedule+0x30/0x30
[ 244.081867][ C1] ? update_process_times+0x200/0x200
[ 244.087095][ C1] ? prepare_to_swait_event+0x308/0x320
[ 244.092458][ C1] rcu_gp_fqs_loop+0x2af/0xf80
[ 244.097058][ C1] ? debug_smp_processor_id+0x17/0x20
[ 244.102266][ C1] ? __note_gp_changes+0x4ab/0x920
[ 244.107213][ C1] ? rcu_gp_init+0xc30/0xc30
[ 244.111636][ C1] ? _raw_spin_unlock_irq+0x4e/0x70
[ 244.116673][ C1] ? rcu_gp_init+0x9cf/0xc30
[ 244.121101][ C1] rcu_gp_kthread+0xa4/0x350
[ 244.125526][ C1] ? _raw_spin_lock+0x1b0/0x1b0
[ 244.130224][ C1] ? wake_nocb_gp+0x1e0/0x1e0
[ 244.134728][ C1] ? __kasan_check_read+0x11/0x20
[ 244.139584][ C1] ? __kthread_parkme+0xb2/0x200
[ 244.144363][ C1] kthread+0x421/0x510
[ 244.148265][ C1] ? wake_nocb_gp+0x1e0/0x1e0
[ 244.152780][ C1] ? kthread_blkcg+0xd0/0xd0
[ 244.157205][ C1] ret_from_fork+0x1f/0x30
[ 244.161466][ C1]
[ 244.164335][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 244.170511][ C1] NMI backtrace for cpu 1
[ 244.174669][ C1] CPU: 1 PID: 423 Comm: syz-executor414 Not tainted 5.15.167-syzkaller-00002-g3bfe08931bff #0
[ 244.184732][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 244.194617][ C1] Call Trace:
[ 244.197738][ C1]
[ 244.200429][ C1] dump_stack_lvl+0x151/0x1c0
[ 244.204940][ C1] ? io_uring_drop_tctx_refs+0x190/0x190
[ 244.210422][ C1] dump_stack+0x15/0x20
[ 244.214408][ C1] nmi_cpu_backtrace+0x2f7/0x300
[ 244.219179][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270
[ 244.225164][ C1] ? panic+0x760/0x760
[ 244.229071][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 244.234972][ C1] nmi_trigger_cpumask_backtrace+0x15d/0x270
[ 244.240786][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 244.246691][ C1] arch_trigger_cpumask_backtrace+0x10/0x20
[ 244.252422][ C1] rcu_check_gp_kthread_starvation+0x1e3/0x250
[ 244.258411][ C1] print_other_cpu_stall+0x112d/0x1340
[ 244.263705][ C1] ? try_invoke_on_locked_down_task+0x2a0/0x2a0
[ 244.269778][ C1] ? print_cpu_stall+0x5f0/0x5f0
[ 244.274555][ C1] ? __kasan_check_write+0x14/0x20
[ 244.279501][ C1] rcu_sched_clock_irq+0xaec/0x12f0
[ 244.284539][ C1] ? rcu_boost_kthread_setaffinity+0x340/0x340
[ 244.290521][ C1] ? hrtimer_run_queues+0x15f/0x440
[ 244.295558][ C1] update_process_times+0x198/0x200
[ 244.300587][ C1] tick_sched_timer+0x188/0x240
[ 244.305276][ C1] ? tick_setup_sched_timer+0x480/0x480
[ 244.310654][ C1] __hrtimer_run_queues+0x41a/0xad0
[ 244.315691][ C1] ? hrtimer_interrupt+0xaa0/0xaa0
[ 244.320638][ C1] ? clockevents_program_event+0x236/0x300
[ 244.326277][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0
[ 244.332182][ C1] hrtimer_interrupt+0x40c/0xaa0
[ 244.336960][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0
[ 244.342682][ C1] sysvec_apic_timer_interrupt+0x95/0xc0
[ 244.348238][ C1]
[ 244.351018][ C1]
[ 244.353794][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 244.359613][ C1] RIP: 0010:_raw_spin_unlock_irq+0x49/0x70
[ 244.365252][ C1] Code: 08 00 74 0c 48 c7 c7 d8 59 ad 86 e8 51 9e cb fc 48 83 3d 01 48 c6 01 00 74 2a 48 89 df e8 b3 02 6e fc 66 90 fb bf 01 00 00 00 d2 4b 65 fc 65 8b 05 93 5b 1b 7b 85 c0 74 03 5b 5d c3 e8 c3 75
[ 244.384793][ C1] RSP: 0018:ffffc90000a67bb8 EFLAGS: 00000246
[ 244.390683][ C1] RAX: 0000000000000001 RBX: ffff88810e8ae040 RCX: dffffc0000000000
[ 244.398494][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
[ 244.406390][ C1] RBP: ffffc90000a67bc0 R08: ffffffff81459e7a R09: fffff5200014cfc0
[ 244.414202][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810e8ae040
[ 244.422013][ C1] R13: ffff88810e8ae460 R14: 0000000000000021 R15: dffffc0000000000
[ 244.429826][ C1] ? get_signal+0x151a/0x1630
[ 244.434342][ C1] ? _raw_spin_unlock_irq+0x41/0x70
[ 244.439372][ C1] get_signal+0x1562/0x1630
[ 244.443721][ C1] arch_do_signal_or_restart+0xbd/0x1680
[ 244.449183][ C1] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0
[ 244.455430][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0
[ 244.460381][ C1] ? __kasan_check_write+0x14/0x20
[ 244.465327][ C1] ? _copy_from_user+0x96/0xd0
[ 244.469926][ C1] ? restore_altstack+0x274/0x400
[ 244.474794][ C1] ? get_sigframe_size+0x10/0x10
[ 244.479558][ C1] ? __ia32_sys_sigaltstack+0x70/0x70
[ 244.484777][ C1] ? __do_sys_rt_sigreturn+0x160/0x1e0
[ 244.490064][ C1] exit_to_user_mode_loop+0xa0/0xe0
[ 244.495180][ C1] exit_to_user_mode_prepare+0x5a/0xa0
[ 244.500478][ C1] syscall_exit_to_user_mode+0x26/0x160
[ 244.505854][ C1] do_syscall_64+0x47/0xb0
[ 244.510107][ C1] ? clear_bhb_loop+0x35/0x90
[ 244.514624][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 244.520355][ C1] RIP: 0033:0x7f4147fdf417
[ 244.524608][ 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
[ 244.544048][ C1] RSP: 002b:00007f4147fa0238 EFLAGS: 00000246
[ 244.549948][ C1] RAX: 00000000000000ca RBX: 00007f4148069308 RCX: 00007f4147fdf419
[ 244.557756][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4148069308
[ 244.565570][ C1] RBP: 00007f4148069300 R08: 00007f4147fa06c0 R09: 00007f4147fa06c0
[ 244.573379][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4148036074
[ 244.581190][ C1] R13: 0000000000000000 R14: 00007ffd4c6aeb40 R15: 00007ffd4c6aec28
[ 244.589006][ C1]
[ 285.438078][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 140s!
[ 285.446804][ C0] Showing busy workqueues and worker pools:
[ 285.452548][ C0] workqueue events: flags=0x0
[ 285.457052][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 285.457094][ C0] pending: psi_avgs_work
[ 285.457120][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 285.457155][ C0] pending: vmstat_shepherd
[ 285.457180][ C0] workqueue events_unbound: flags=0x2
[ 285.486420][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4
[ 285.486460][ C0] pending: flush_memcg_stats_dwork, toggle_allocation_gate
[ 285.486578][ C0] workqueue events_power_efficient: flags=0x80
[ 285.506941][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
[ 285.507013][ C0] pending: neigh_periodic_work, gc_worker, check_lifetime
[ 285.507093][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 285.507130][ C0] pending: neigh_periodic_work
[ 285.507154][ C0] workqueue mm_percpu_wq: flags=0x8
[ 285.539337][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 285.539379][ C0] pending: vmstat_update
[ 285.539403][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 285.539437][ C0] pending: vmstat_update
[ 285.539462][ C0] workqueue writeback: flags=0x4a
[ 285.568085][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3
[ 285.568124][ C0] pending: wb_workfn
[ 285.568300][ C0] workqueue dm_bufio_cache: flags=0x8
[ 285.584586][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 285.584633][ C0] pending: work_fn
[ 285.584769][ C0] workqueue ipv6_addrconf: flags=0x40008
[ 285.601604][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2
[ 285.601645][ C0] pending: addrconf_verify_work