[ 3.438877][ T84] acpid (84) used greatest stack depth: 23344 bytes left
[ 3.712511][ T99] udevd[99]: starting version 3.2.11
[ 3.759180][ T100] udevd[100]: starting eudev-3.2.11
[ 3.760015][ T99] udevd (99) used greatest stack depth: 22096 bytes left
[ 10.851983][ T30] kauditd_printk_skb: 50 callbacks suppressed
[ 10.851997][ T30] audit: type=1400 audit(1717371626.941:61): avc: denied { transition } for pid=221 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
[ 10.855820][ T30] audit: type=1400 audit(1717371626.941:62): avc: denied { noatsecure } for pid=221 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 10.858486][ T30] audit: type=1400 audit(1717371626.941:63): avc: denied { write } for pid=221 comm="sh" path="pipe:[13057]" dev="pipefs" ino=13057 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[ 10.861445][ T30] audit: type=1400 audit(1717371626.941:64): avc: denied { rlimitinh } for pid=221 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 10.863878][ T30] audit: type=1400 audit(1717371626.941:65): avc: denied { siginh } for pid=221 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.0.21' (ED25519) to the list of known hosts.
executing program
executing program
executing program
executing program
executing program
[ 439.967239][ T30] audit: type=1400 audit(1717372056.061:66): avc: denied { execmem } for pid=706 comm="syz-executor183" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 539.986545][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 539.993318][ C0] (detected by 0, t=10002 jiffies, g=3829, q=193)
[ 539.999643][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294991217-4294981215), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 540.012842][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g3829 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 540.023778][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 540.033579][ C0] rcu: RCU grace-period kthread stack dump:
[ 540.039319][ C0] task:rcu_preempt state:R running task stack:28328 pid: 14 ppid: 2 flags:0x00004000
[ 540.049904][ C0] Call Trace:
[ 540.053022][ C0]
[ 540.055805][ C0] __schedule+0xccc/0x1590
[ 540.060052][ C0] ? __sched_text_start+0x8/0x8
[ 540.064739][ C0] ? __kasan_check_write+0x14/0x20
[ 540.069686][ C0] ? __kasan_check_write+0x14/0x20
[ 540.074640][ C0] schedule+0x11f/0x1e0
[ 540.078630][ C0] schedule_timeout+0x18c/0x370
[ 540.083313][ C0] ? __update_idle_core+0x2a0/0x2a0
[ 540.088349][ C0] ? console_conditional_schedule+0x30/0x30
[ 540.094075][ C0] ? update_process_times+0x200/0x200
[ 540.099282][ C0] ? prepare_to_swait_event+0x308/0x320
[ 540.104665][ C0] rcu_gp_fqs_loop+0x2af/0xf80
[ 540.109265][ C0] ? debug_smp_processor_id+0x17/0x20
[ 540.114470][ C0] ? __note_gp_changes+0x4ab/0x920
[ 540.119416][ C0] ? rcu_gp_init+0xc30/0xc30
[ 540.123843][ C0] ? _raw_spin_unlock_irq+0x4e/0x70
[ 540.128878][ C0] ? rcu_gp_init+0x9cf/0xc30
[ 540.133304][ C0] rcu_gp_kthread+0xa4/0x350
[ 540.137729][ C0] ? _raw_spin_lock+0x1b0/0x1b0
[ 540.142422][ C0] ? wake_nocb_gp+0x1e0/0x1e0
[ 540.146935][ C0] ? __kasan_check_read+0x11/0x20
[ 540.151791][ C0] ? __kthread_parkme+0xb2/0x200
[ 540.156563][ C0] kthread+0x421/0x510
[ 540.160470][ C0] ? wake_nocb_gp+0x1e0/0x1e0
[ 540.164985][ C0] ? kthread_blkcg+0xd0/0xd0
[ 540.169407][ C0] ret_from_fork+0x1f/0x30
[ 540.173662][ C0]
[ 540.176523][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 540.182704][ C0] Sending NMI from CPU 0 to CPUs 1:
[ 540.187737][ C1] NMI backtrace for cpu 1
[ 540.187750][ C1] CPU: 1 PID: 720 Comm: syz-executor183 Not tainted 5.15.149-syzkaller-00055-g424f92bcbe8f #0
[ 540.187766][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 540.187777][ C1] RIP: 0010:__dequeue_signal+0x3eb/0x600
[ 540.187796][ C1] Code: 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 0f 85 88 01 00 00 8b 1b bf fe ff ff ff 89 de e8 75 64 2b 00 <83> fb fe 75 3c e8 bb 60 2b 00 48 8b 7d c8 48 83 c7 20 48 89 f8 48
[ 540.187808][ C1] RSP: 0018:ffffc90000a57a98 EFLAGS: 00000093
[ 540.187822][ C1] RAX: 0000000000000000 RBX: 00000000fffffffe RCX: dffffc0000000000
[ 540.187833][ C1] RDX: ffff88810ac313c0 RSI: 00000000fffffffe RDI: 00000000fffffffe
[ 540.187843][ C1] RBP: ffffc90000a57af0 R08: ffffffff8144d59b R09: fffff5200014afc6
[ 540.187854][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11023b700c6
[ 540.187864][ C1] R13: 0000000000000021 R14: 0000000000000021 R15: ffff88811db80630
[ 540.187873][ C1] FS: 00007f8f9bab96c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 540.187887][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 540.187897][ C1] CR2: 00007f8f9bab8e40 CR3: 000000011e375000 CR4: 00000000003506a0
[ 540.187910][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 540.187919][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 540.187928][ C1] Call Trace:
[ 540.187933][ C1]
[ 540.187938][ C1] ? show_regs+0x58/0x60
[ 540.187953][ C1] ? nmi_cpu_backtrace+0x29f/0x300
[ 540.187972][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270
[ 540.187989][ C1] ? __dequeue_signal+0x3eb/0x600
[ 540.188003][ C1] ? __dequeue_signal+0x3eb/0x600
[ 540.188017][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 540.188033][ C1] ? nmi_handle+0xa8/0x280
[ 540.188047][ C1] ? __dequeue_signal+0x3eb/0x600
[ 540.188061][ C1] ? default_do_nmi+0x69/0x160
[ 540.188077][ C1] ? exc_nmi+0xaf/0x120
[ 540.188090][ C1] ? end_repeat_nmi+0x16/0x31
[ 540.188105][ C1] ? __dequeue_signal+0x3eb/0x600
[ 540.188120][ C1] ? __dequeue_signal+0x3eb/0x600
[ 540.188134][ C1] ? __dequeue_signal+0x3eb/0x600
[ 540.188148][ C1] ? __dequeue_signal+0x3eb/0x600
[ 540.188161][ C1]
[ 540.188166][ C1]
[ 540.188171][ C1] dequeue_signal+0x10c/0x520
[ 540.188185][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0
[ 540.188201][ C1] ? unhandled_signal+0x150/0x150
[ 540.188216][ C1] get_signal+0x7cf/0x1630
[ 540.188232][ C1] arch_do_signal_or_restart+0xbd/0x1680
[ 540.188246][ C1] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0
[ 540.188261][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0
[ 540.188277][ C1] ? __kasan_check_write+0x14/0x20
[ 540.188292][ C1] ? _copy_from_user+0x96/0xd0
[ 540.188306][ C1] ? restore_altstack+0x274/0x400
[ 540.188322][ C1] ? get_sigframe_size+0x10/0x10
[ 540.188335][ C1] ? __ia32_sys_sigaltstack+0x70/0x70
[ 540.188353][ C1] ? __do_sys_rt_sigreturn+0x160/0x1e0
[ 540.188368][ C1] exit_to_user_mode_loop+0xa0/0xe0
[ 540.188383][ C1] exit_to_user_mode_prepare+0x5a/0xa0
[ 540.188398][ C1] syscall_exit_to_user_mode+0x26/0x160
[ 540.188413][ C1] do_syscall_64+0x49/0xb0
[ 540.188427][ C1] ? sysvec_apic_timer_interrupt+0x55/0xc0
[ 540.188448][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 540.188462][ C1] RIP: 0033:0x7f8f9baf8417
[ 540.188475][ 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
[ 540.188486][ C1] RSP: 002b:00007f8f9bab9238 EFLAGS: 00000246
[ 540.188498][ C1] RAX: 00000000000000ca RBX: 00007f8f9bb82308 RCX: 00007f8f9baf8419
[ 540.188508][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f8f9bb82308
[ 540.188517][ C1] RBP: 00007f8f9bb82300 R08: 00007f8f9bab96c0 R09: 00007f8f9bab96c0
[ 540.188527][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8f9bb8230c
[ 540.188536][ C1] R13: 0000000000000000 R14: 00007fff261459d0 R15: 00007fff26145ab8
[ 540.188548][ C1]
[ 715.496563][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 274s!
[ 715.505289][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 274s!
[ 715.513983][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 268s!
[ 715.522827][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 275s!
[ 715.531072][ C0] Showing busy workqueues and worker pools:
[ 715.536804][ C0] workqueue events: flags=0x0
[ 715.541303][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 715.541340][ C0] pending: psi_avgs_work
[ 715.541364][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 715.541397][ C0] pending: vmstat_shepherd
[ 715.541419][ C0] workqueue events_unbound: flags=0x2
[ 715.570476][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4
[ 715.570510][ C0] pending: flush_memcg_stats_dwork, toggle_allocation_gate
[ 715.570549][ C0] workqueue events_power_efficient: flags=0x80
[ 715.590868][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
[ 715.590904][ C0] pending: neigh_periodic_work, neigh_periodic_work, gc_worker
[ 715.590955][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 715.590987][ C0] pending: check_lifetime
[ 715.591009][ C0] workqueue mm_percpu_wq: flags=0x8
[ 715.623168][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 715.623205][ C0] pending: vmstat_update
[ 715.623229][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 715.623261][ C0] pending: vmstat_update
[ 715.623283][ C0] workqueue writeback: flags=0x4a
[ 715.651810][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3
[ 715.651844][ C0] pending: wb_workfn
[ 715.651868][ C0] workqueue kblockd: flags=0x18
[ 715.667616][ C0] pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2
[ 715.667652][ C0] pending: blk_mq_timeout_work
[ 715.667681][ C0] workqueue dm_bufio_cache: flags=0x8
[ 715.685397][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 715.685432][ C0] pending: work_fn
[ 715.685517][ C0] workqueue ipv6_addrconf: flags=0x40008
[ 715.702232][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2
[ 715.702268][ C0] pending: addrconf_verify_work