Warning: Permanently added '10.128.1.225' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program [ 429.006916][ T30] audit: type=1400 audit(1718979511.505:66): avc: denied { execmem } for pid=693 comm="syz-executor371" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 529.036428][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 529.043223][ C1] (detected by 1, t=10002 jiffies, g=4197, q=191) [ 529.049544][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294990123-4294980121), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 529.062742][ C1] rcu: rcu_preempt kthread starved for 10002 jiffies! g4197 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 529.073676][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 529.083484][ C1] rcu: RCU grace-period kthread stack dump: [ 529.089219][ C1] task:rcu_preempt state:R running task stack:28328 pid: 14 ppid: 2 flags:0x00004000 [ 529.099822][ C1] Call Trace: [ 529.102928][ C1] [ 529.105703][ C1] __schedule+0xccc/0x1590 [ 529.109955][ C1] ? __sched_text_start+0x8/0x8 [ 529.114641][ C1] schedule+0x11f/0x1e0 [ 529.118635][ C1] schedule_timeout+0x18c/0x370 [ 529.123322][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 529.128357][ C1] ? console_conditional_schedule+0x30/0x30 [ 529.134083][ C1] ? update_process_times+0x200/0x200 [ 529.139289][ C1] ? prepare_to_swait_event+0x308/0x320 [ 529.144676][ C1] rcu_gp_fqs_loop+0x2af/0xf80 [ 529.149276][ C1] ? debug_smp_processor_id+0x17/0x20 [ 529.154478][ C1] ? __note_gp_changes+0x4ab/0x920 [ 529.159426][ C1] ? rcu_gp_init+0xc30/0xc30 [ 529.163852][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 529.168888][ C1] ? rcu_gp_init+0x9cf/0xc30 [ 529.173319][ C1] rcu_gp_kthread+0xa4/0x350 [ 529.177742][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 529.182511][ C1] ? wake_nocb_gp+0x1e0/0x1e0 [ 529.187042][ C1] ? __kasan_check_read+0x11/0x20 [ 529.191889][ C1] ? __kthread_parkme+0xb2/0x200 [ 529.196660][ C1] kthread+0x421/0x510 [ 529.200566][ C1] ? wake_nocb_gp+0x1e0/0x1e0 [ 529.205080][ C1] ? kthread_blkcg+0xd0/0xd0 [ 529.209504][ C1] ret_from_fork+0x1f/0x30 [ 529.213763][ C1] [ 529.216624][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 529.222794][ C1] Sending NMI from CPU 1 to CPUs 0: [ 529.227832][ C0] NMI backtrace for cpu 0 [ 529.227843][ C0] CPU: 0 PID: 705 Comm: syz-executor371 Not tainted 5.15.149-syzkaller-00165-g85445b5a2107 #0 [ 529.227862][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 529.227877][ C0] RIP: 0010:try_to_wake_up+0x68d/0x1160 [ 529.227901][ C0] Code: 00 48 8b 04 24 48 8d 58 48 48 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 4c 01 00 00 44 8b 2b bb 01 00 00 00 0f 1f 44 00 00 01 00 00 00 e8 19 53 ff ff 65 8b 05 da 95 b5 7e 85 c0 74 47 48 [ 529.227914][ C0] RSP: 0018:ffffc90000007a60 EFLAGS: 00000046 [ 529.227929][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff87299f03 [ 529.227941][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 [ 529.227950][ C0] RBP: ffffc90000007b60 R08: dffffc0000000000 R09: ffffed10214e7769 [ 529.227963][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000000f54 [ 529.227975][ C0] R13: 0000000000000000 R14: ffff88810a73bb58 R15: dffffc0000000000 [ 529.227986][ C0] FS: 00007ffb6b29b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 529.228001][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 529.228013][ C0] CR2: 00007ffb6b29ae40 CR3: 000000011e46b000 CR4: 00000000003506b0 [ 529.228028][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 529.228038][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 529.228048][ C0] Call Trace: [ 529.228058][ C0] [ 529.228064][ C0] ? show_regs+0x58/0x60 [ 529.228082][ C0] ? nmi_cpu_backtrace+0x29f/0x300 [ 529.228102][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 529.228122][ C0] ? try_to_wake_up+0x68d/0x1160 [ 529.228140][ C0] ? try_to_wake_up+0x68d/0x1160 [ 529.228157][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 529.228176][ C0] ? nmi_handle+0xa8/0x280 [ 529.228192][ C0] ? try_to_wake_up+0x68d/0x1160 [ 529.228210][ C0] ? default_do_nmi+0x69/0x160 [ 529.228228][ C0] ? exc_nmi+0xaf/0x120 [ 529.228243][ C0] ? end_repeat_nmi+0x16/0x31 [ 529.228261][ C0] ? try_to_wake_up+0x68d/0x1160 [ 529.228279][ C0] ? try_to_wake_up+0x68d/0x1160 [ 529.228296][ C0] ? try_to_wake_up+0x68d/0x1160 [ 529.228314][ C0] [ 529.228319][ C0] [ 529.228325][ C0] ? try_invoke_on_locked_down_task+0x2a0/0x2a0 [ 529.228345][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 529.228363][ C0] ? __raise_softirq_irqoff+0x1a/0xe0 [ 529.228383][ C0] ? raise_softirq+0xa6/0x110 [ 529.228401][ C0] wake_up_state+0xb/0x10 [ 529.228418][ C0] complete_signal+0x65b/0xd60 [ 529.228436][ C0] ? __kasan_check_write+0x14/0x20 [ 529.228455][ C0] ? prepare_signal+0xc20/0xc20 [ 529.228472][ C0] ? __kasan_check_write+0x14/0x20 [ 529.228488][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 529.228510][ C0] send_sigqueue+0x389/0x650 [ 529.228528][ C0] posix_timer_fn+0x180/0x3a0 [ 529.228544][ C0] ? common_timer_wait_running+0x10/0x10 [ 529.228560][ C0] __hrtimer_run_queues+0x41a/0xad0 [ 529.228580][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 529.228595][ C0] ? clockevents_program_event+0x22f/0x300 [ 529.228613][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 529.228632][ C0] hrtimer_interrupt+0x40c/0xaa0 [ 529.228651][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 529.228669][ C0] sysvec_apic_timer_interrupt+0x95/0xc0 [ 529.228688][ C0] [ 529.228692][ C0] [ 529.228697][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 529.228714][ C0] RIP: 0010:_raw_spin_unlock_irq+0x49/0x70 [ 529.228731][ C0] Code: 08 00 74 0c 48 c7 c7 d8 54 8d 86 e8 31 45 e9 fc 48 83 3d 31 29 c4 01 00 74 2a 48 89 df e8 a3 bb 8b fc 66 90 fb bf 01 00 00 00 02 ff 82 fc 65 8b 05 c3 41 39 7b 85 c0 74 03 5b 5d c3 e8 c3 55 [ 529.228743][ C0] RSP: 0018:ffffc90000a37bb8 EFLAGS: 00000246 [ 529.228757][ C0] RAX: 0000000000000001 RBX: ffff88811593e900 RCX: dffffc0000000000 [ 529.228769][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 529.228778][ C0] RBP: ffffc90000a37bc0 R08: ffffffff81456eda R09: fffff52000146fc0 [ 529.228791][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811593e900 [ 529.228803][ C0] R13: ffff88811593ed20 R14: 0000000000000021 R15: dffffc0000000000 [ 529.228816][ C0] ? get_signal+0x151a/0x1630 [ 529.228834][ C0] ? _raw_spin_unlock_irq+0x41/0x70 [ 529.228849][ C0] get_signal+0x1562/0x1630 [ 529.228868][ C0] arch_do_signal_or_restart+0xbd/0x1680 [ 529.228885][ C0] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0 [ 529.228903][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 529.228922][ C0] ? __kasan_check_write+0x14/0x20 [ 529.228939][ C0] ? _copy_from_user+0x96/0xd0 [ 529.228955][ C0] ? restore_altstack+0x274/0x400 [ 529.228973][ C0] ? get_sigframe_size+0x10/0x10 [ 529.228989][ C0] ? __ia32_sys_sigaltstack+0x70/0x70 [ 529.229009][ C0] ? __do_sys_rt_sigreturn+0x160/0x1e0 [ 529.229026][ C0] exit_to_user_mode_loop+0xa0/0xe0 [ 529.229044][ C0] exit_to_user_mode_prepare+0x5a/0xa0 [ 529.229067][ C0] syscall_exit_to_user_mode+0x26/0x160 [ 529.229086][ C0] do_syscall_64+0x49/0xb0 [ 529.229101][ C0] ? sysvec_apic_timer_interrupt+0x55/0xc0 [ 529.229120][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 529.229136][ C0] RIP: 0033:0x7ffb6b2da417 [ 529.229150][ 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 [ 529.229163][ C0] RSP: 002b:00007ffb6b29b238 EFLAGS: 00000246 [ 529.229176][ C0] RAX: 00000000000000ca RBX: 00007ffb6b364308 RCX: 00007ffb6b2da419 [ 529.229187][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ffb6b364308 [ 529.229198][ C0] RBP: 00007ffb6b364300 R08: 00007ffb6b29b6c0 R09: 00007ffb6b29b6c0 [ 529.229210][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffb6b36430c [ 529.229220][ C0] R13: 0000000000000000 R14: 00007ffebd9abc30 R15: 00007ffebd9abd18 [ 529.229234][ C0] [ 529.229241][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.408 msecs [ 715.496346][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 285s! [ 715.505098][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 280s! [ 715.513965][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 285s! [ 715.522640][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 286s! [ 715.530903][ C0] Showing busy workqueues and worker pools: [ 715.536635][ C0] workqueue events: flags=0x0 [ 715.541114][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.541172][ C0] pending: psi_avgs_work [ 715.541201][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.541240][ C0] pending: vmstat_shepherd [ 715.541267][ C0] workqueue events_unbound: flags=0x2 [ 715.570499][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 715.570543][ C0] pending: flush_memcg_stats_dwork, toggle_allocation_gate [ 715.570591][ C0] workqueue events_power_efficient: flags=0x80 [ 715.590983][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 715.591034][ C0] pending: neigh_periodic_work, gc_worker [ 715.591094][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 715.591135][ C0] pending: neigh_periodic_work, check_lifetime [ 715.591183][ C0] workqueue mm_percpu_wq: flags=0x8 [ 715.623706][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.623752][ C0] pending: vmstat_update [ 715.623783][ C0] workqueue writeback: flags=0x4a [ 715.640473][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 715.640513][ C0] pending: wb_workfn [ 715.640540][ C0] workqueue kblockd: flags=0x18 [ 715.656251][ C0] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 715.656299][ C0] pending: blk_mq_timeout_work [ 715.668929][ C0] workqueue dm_bufio_cache: flags=0x8 [ 715.674040][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.674086][ C0] pending: work_fn [ 715.674170][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 715.690999][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 715.691047][ C0] pending: addrconf_verify_work