[ 3.533422][ T85] acpid (85) used greatest stack depth: 23408 bytes left [ 3.798075][ T100] udevd[100]: starting version 3.2.11 [ 3.822939][ T101] udevd[101]: starting eudev-3.2.11 [ 3.975278][ T102] udevadm (102) used greatest stack depth: 22288 bytes left [ 10.972788][ T28] kauditd_printk_skb: 50 callbacks suppressed [ 10.972803][ T28] audit: type=1400 audit(1716778077.587:61): 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 [ 10.981484][ T28] audit: type=1400 audit(1716778077.587:62): 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 [ 10.987235][ T28] audit: type=1400 audit(1716778077.587:63): avc: denied { write } for pid=222 comm="sh" path="pipe:[13345]" dev="pipefs" ino=13345 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 10.993208][ T28] audit: type=1400 audit(1716778077.587:64): 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 [ 10.999122][ T28] audit: type=1400 audit(1716778077.587:65): 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 Warning: Permanently added '10.128.1.130' (ED25519) to the list of known hosts. executing program [ 424.002000][ T28] audit: type=1400 audit(1716778490.617:66): avc: denied { execmem } for pid=691 comm="syz-executor317" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 524.025457][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 524.032244][ C0] (detected by 0, t=10002 jiffies, g=3569, q=172 ncpus=2) [ 524.039257][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294989627-4294979625), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 524.052462][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g3569 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 524.063487][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 524.073294][ C0] rcu: RCU grace-period kthread stack dump: [ 524.079154][ C0] task:rcu_preempt state:R running task stack:28040 pid:14 ppid:2 flags:0x00004000 [ 524.089705][ C0] Call Trace: [ 524.092826][ C0] [ 524.095602][ C0] __schedule+0xca7/0x1550 [ 524.099850][ C0] ? xfd_validate_state+0x6f/0x170 [ 524.104800][ C0] ? __sched_text_start+0x8/0x8 [ 524.109487][ C0] schedule+0xc3/0x180 [ 524.113392][ C0] schedule_timeout+0x18c/0x380 [ 524.118078][ C0] ? _raw_spin_unlock_irq+0x4d/0x70 [ 524.123112][ C0] ? console_conditional_schedule+0x10/0x10 [ 524.128843][ C0] ? update_process_times+0x1b0/0x1b0 [ 524.134048][ C0] ? prepare_to_swait_event+0x308/0x320 [ 524.139431][ C0] rcu_gp_fqs_loop+0x2ed/0x1060 [ 524.144117][ C0] ? _raw_spin_unlock_irq+0x4d/0x70 [ 524.149149][ C0] ? rcu_gp_init+0xc7f/0xf80 [ 524.153580][ C0] ? rcu_gp_init+0xf80/0xf80 [ 524.158005][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 524.163644][ C0] ? finish_swait+0x17d/0x1b0 [ 524.168160][ C0] rcu_gp_kthread+0xa3/0x390 [ 524.172588][ C0] ? queued_spin_lock_slowpath+0x50/0x50 [ 524.178055][ C0] ? set_cpus_allowed_ptr+0xa4/0xe0 [ 524.183088][ C0] ? __kasan_check_read+0x11/0x20 [ 524.187946][ C0] ? __kthread_parkme+0x12d/0x180 [ 524.192817][ C0] kthread+0x26d/0x300 [ 524.196716][ C0] ? queued_spin_lock_slowpath+0x50/0x50 [ 524.202181][ C0] ? kthread_blkcg+0xd0/0xd0 [ 524.206607][ C0] ret_from_fork+0x1f/0x30 [ 524.210862][ C0] [ 524.213723][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 524.219899][ C0] Sending NMI from CPU 0 to CPUs 1: [ 524.224932][ C1] NMI backtrace for cpu 1 [ 524.224943][ C1] CPU: 1 PID: 699 Comm: syz-executor317 Not tainted 6.1.75-syzkaller-00026-g68c821783c76 #0 [ 524.224958][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 524.224966][ C1] RIP: 0010:__kasan_check_write+0x15/0x20 [ 524.224988][ C1] Code: d2 e8 7f eb ff ff 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 89 f6 48 8b 4d 08 ba 01 00 00 00 e8 5c eb ff ff 5d 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 53 49 89 [ 524.224999][ C1] RSP: 0018:ffffc90001bd77d8 EFLAGS: 00000097 [ 524.225012][ C1] RAX: 0000000000000001 RBX: 1ffff9200037af04 RCX: ffffffff84ffee59 [ 524.225023][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90001bd7820 [ 524.225032][ C1] RBP: ffffc90001bd78c0 R08: dffffc0000000000 R09: 0000000000000003 [ 524.225042][ C1] R10: ffffffffffffffff R11: dffffc0000000001 R12: ffffc90001bd7820 [ 524.225053][ C1] R13: ffff8881f7129c80 R14: 1ffff9200037af00 R15: dffffc0000000000 [ 524.225064][ C1] FS: 00007f799409d6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 524.225077][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 524.225087][ C1] CR2: 00007f799409ce40 CR3: 000000010e8c8000 CR4: 00000000003506a0 [ 524.225100][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 524.225108][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 524.225117][ C1] Call Trace: [ 524.225121][ C1] [ 524.225125][ C1] ? show_regs+0x58/0x60 [ 524.225140][ C1] ? nmi_cpu_backtrace+0x285/0x2f0 [ 524.225160][ C1] ? nmi_trigger_cpumask_backtrace+0x3c0/0x3c0 [ 524.225180][ C1] ? __kasan_check_write+0x15/0x20 [ 524.225192][ C1] ? __kasan_check_write+0x15/0x20 [ 524.225205][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 524.225222][ C1] ? nmi_handle+0xa7/0x280 [ 524.225237][ C1] ? __kasan_check_write+0x15/0x20 [ 524.225249][ C1] ? default_do_nmi+0x69/0x160 [ 524.225265][ C1] ? exc_nmi+0xaf/0x120 [ 524.225280][ C1] ? end_repeat_nmi+0x16/0x31 [ 524.225296][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 524.225317][ C1] ? __kasan_check_write+0x15/0x20 [ 524.225330][ C1] ? __kasan_check_write+0x15/0x20 [ 524.225343][ C1] ? __kasan_check_write+0x15/0x20 [ 524.225356][ C1] [ 524.225360][ C1] [ 524.225364][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 524.225384][ C1] ? clockevents_program_event+0x217/0x300 [ 524.225398][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 524.225419][ C1] ? __kasan_check_write+0x14/0x20 [ 524.225431][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 524.225454][ C1] ? hrtimer_reprogram+0x389/0x430 [ 524.225474][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 524.225494][ C1] hrtimer_start_range_ns+0xfa/0xb80 [ 524.225515][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 524.225535][ C1] common_hrtimer_rearm+0x100/0x110 [ 524.225555][ C1] posixtimer_rearm+0x1a7/0x3f0 [ 524.225571][ C1] ? __dequeue_signal+0x3a5/0x650 [ 524.225590][ C1] ? alarmtimer_resume+0x60/0x60 [ 524.225608][ C1] ? __kasan_check_write+0x14/0x20 [ 524.225620][ C1] ? recalc_sigpending+0x164/0x1c0 [ 524.225633][ C1] dequeue_signal+0x245/0x590 [ 524.225648][ C1] ? unhandled_signal+0x1d0/0x1d0 [ 524.225662][ C1] ? uprobe_deny_signal+0x77/0x230 [ 524.225676][ C1] get_signal+0x54c/0x1820 [ 524.225694][ C1] ? ptrace_notify+0x350/0x350 [ 524.225708][ C1] ? __kasan_check_write+0x14/0x20 [ 524.225722][ C1] arch_do_signal_or_restart+0xb0/0x16f0 [ 524.225743][ C1] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0 [ 524.225764][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 524.225786][ C1] ? do_sigaltstack+0x3f9/0x630 [ 524.225805][ C1] ? get_sigframe_size+0x10/0x10 [ 524.225823][ C1] ? restore_altstack+0x107/0x150 [ 524.225841][ C1] ? __ia32_sys_sigaltstack+0x260/0x260 [ 524.225862][ C1] ? __do_sys_rt_sigreturn+0x160/0x1e0 [ 524.225883][ C1] exit_to_user_mode_loop+0x74/0xa0 [ 524.225901][ C1] exit_to_user_mode_prepare+0x5a/0xa0 [ 524.225918][ C1] syscall_exit_to_user_mode+0x26/0x140 [ 524.225936][ C1] do_syscall_64+0x49/0xb0 [ 524.225949][ C1] ? sysvec_apic_timer_interrupt+0x55/0xc0 [ 524.225966][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 524.225989][ C1] RIP: 0033:0x7f79940dc417 [ 524.226008][ 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 [ 524.226018][ C1] RSP: 002b:00007f799409d238 EFLAGS: 00000246 [ 524.226030][ C1] RAX: 00000000000000ca RBX: 00007f7994166308 RCX: 00007f79940dc419 [ 524.226039][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7994166308 [ 524.226048][ C1] RBP: 00007f7994166300 R08: 00007f799409d6c0 R09: 00007f799409d6c0 [ 524.226058][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f799416630c [ 524.226067][ C1] R13: 0000000000000000 R14: 00007fff27fd4ab0 R15: 00007fff27fd4b98 [ 524.226080][ C1] [ 524.226085][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.154 msecs [ 715.435388][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 290s! [ 715.444108][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 285s! [ 715.452986][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 290s! [ 715.461655][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 291s! [ 715.469897][ C0] Showing busy workqueues and worker pools: [ 715.475624][ C0] workqueue events: flags=0x0 [ 715.480135][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 715.480178][ C0] pending: vmstat_shepherd, psi_avgs_work [ 715.480234][ C0] workqueue events_unbound: flags=0x2 [ 715.498920][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 715.498960][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 715.499002][ C0] workqueue events_power_efficient: flags=0x80 [ 715.519318][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.519361][ C0] pending: gc_worker [ 715.519383][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=5/256 refcnt=6 [ 715.519417][ C0] pending: neigh_managed_work, neigh_managed_work, neigh_periodic_work, neigh_periodic_work, check_lifetime [ 715.519512][ C0] workqueue mm_percpu_wq: flags=0x8 [ 715.555148][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.555190][ C0] pending: vmstat_update [ 715.555221][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.555256][ C0] pending: vmstat_update [ 715.555287][ C0] workqueue writeback: flags=0x4a [ 715.583892][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 715.583926][ C0] pending: wb_workfn [ 715.583954][ C0] workqueue kblockd: flags=0x18 [ 715.599714][ C0] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 715.599759][ C0] pending: blk_mq_timeout_work [ 715.599872][ C0] workqueue dm_bufio_cache: flags=0x8 [ 715.617645][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.617686][ C0] pending: work_fn [ 715.617711][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 715.634469][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 715.634508][ C0] pending: addrconf_verify_work