Warning: Permanently added '10.128.0.95' (ED25519) to the list of known hosts. executing program executing program executing program [ 273.730774][ T30] audit: type=1400 audit(1731870014.321:66): avc: denied { execmem } for pid=538 comm="syz-executor317" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 373.768412][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 373.775230][ C0] (detected by 0, t=10002 jiffies, g=2965, q=237) [ 373.781542][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294974592-4294964589), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 373.794741][ C0] rcu: rcu_preempt kthread starved for 10004 jiffies! g2965 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 373.805664][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 373.815471][ C0] rcu: RCU grace-period kthread stack dump: [ 373.821212][ C0] task:rcu_preempt state:R running task stack:28264 pid: 14 ppid: 2 flags:0x00004000 [ 373.831791][ C0] Call Trace: [ 373.834926][ C0] [ 373.837696][ C0] __schedule+0xccc/0x1590 [ 373.841954][ C0] ? release_firmware_map_entry+0x190/0x190 [ 373.847673][ C0] schedule+0x11f/0x1e0 [ 373.851665][ C0] schedule_timeout+0x18c/0x370 [ 373.856353][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 373.861386][ C0] ? console_conditional_schedule+0x30/0x30 [ 373.867122][ C0] ? update_process_times+0x200/0x200 [ 373.872323][ C0] ? prepare_to_swait_event+0x308/0x320 [ 373.877719][ C0] rcu_gp_fqs_loop+0x2af/0xf80 [ 373.882307][ C0] ? debug_smp_processor_id+0x17/0x20 [ 373.887518][ C0] ? __note_gp_changes+0x4ab/0x920 [ 373.892459][ C0] ? rcu_gp_init+0xc30/0xc30 [ 373.896882][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 373.902005][ C0] ? rcu_gp_init+0x9cf/0xc30 [ 373.906433][ C0] rcu_gp_kthread+0xa4/0x350 [ 373.910866][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 373.915549][ C0] ? wake_nocb_gp+0x1e0/0x1e0 [ 373.920061][ C0] ? __kasan_check_read+0x11/0x20 [ 373.925003][ C0] ? __kthread_parkme+0xb2/0x200 [ 373.929781][ C0] kthread+0x421/0x510 [ 373.933686][ C0] ? wake_nocb_gp+0x1e0/0x1e0 [ 373.938200][ C0] ? kthread_blkcg+0xd0/0xd0 [ 373.942627][ C0] ret_from_fork+0x1f/0x30 [ 373.946882][ C0] [ 373.949739][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 373.955909][ C0] Sending NMI from CPU 0 to CPUs 1: [ 373.960979][ C1] NMI backtrace for cpu 1 [ 373.961000][ C1] CPU: 1 PID: 547 Comm: syz-executor317 Not tainted 5.15.167-syzkaller-00270-gef332e923197 #0 [ 373.961019][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 373.961028][ C1] RIP: 0010:native_apic_msr_write+0x39/0x50 [ 373.961054][ C1] Code: 74 05 83 ff 30 75 12 5d c3 81 ff d0 00 00 00 74 f6 81 ff e0 00 00 00 74 ee c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 eb d9 89 f6 31 d2 e8 2a 1e 52 01 5d c3 0f 1f 84 00 00 00 00 [ 373.961071][ C1] RSP: 0018:ffffc90000a47788 EFLAGS: 00000046 [ 373.961087][ C1] RAX: 000000000000003e RBX: ffffffff862629d8 RCX: 0000000000000838 [ 373.961098][ C1] RDX: 0000000000000000 RSI: 000000000000003e RDI: 0000000000000838 [ 373.961109][ C1] RBP: ffffc90000a47788 R08: ffffffff8163c7c0 R09: ffffffff8163c3bd [ 373.961121][ C1] R10: 0000000000000002 R11: ffff88810c3562c0 R12: 0000000000000000 [ 373.961132][ C1] R13: dffffc0000000000 R14: 000000000000003e R15: dffffc0000000000 [ 373.961144][ C1] FS: 00007f73f8ac06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 373.961159][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 373.961171][ C1] CR2: 00007f73f8abfd80 CR3: 000000010e908000 CR4: 00000000003506a0 [ 373.961186][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 373.961195][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 373.961205][ C1] Call Trace: [ 373.961211][ C1] [ 373.961216][ C1] ? show_regs+0x58/0x60 [ 373.961234][ C1] ? nmi_cpu_backtrace+0x29f/0x300 [ 373.961255][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 373.961276][ C1] ? native_apic_msr_write+0x39/0x50 [ 373.961295][ C1] ? native_apic_msr_write+0x39/0x50 [ 373.961313][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 373.961331][ C1] ? nmi_handle+0xa8/0x280 [ 373.961348][ C1] ? native_apic_msr_write+0x39/0x50 [ 373.961366][ C1] ? default_do_nmi+0x69/0x160 [ 373.961383][ C1] ? exc_nmi+0xad/0x100 [ 373.961398][ C1] ? end_repeat_nmi+0x16/0x31 [ 373.961415][ C1] ? clockevents_program_event+0x7d/0x300 [ 373.961433][ C1] ? clockevents_program_min_delta+0x180/0x440 [ 373.961452][ C1] ? native_apic_msr_write+0x39/0x50 [ 373.961470][ C1] ? native_apic_msr_write+0x39/0x50 [ 373.961489][ C1] ? native_apic_msr_write+0x39/0x50 [ 373.961508][ C1] [ 373.961513][ C1] [ 373.961517][ C1] lapic_next_event+0x5f/0x70 [ 373.961534][ C1] clockevents_program_min_delta+0x1b4/0x440 [ 373.961554][ C1] clockevents_program_event+0x217/0x300 [ 373.961572][ C1] tick_program_event+0x9f/0x120 [ 373.961590][ C1] hrtimer_reprogram+0x389/0x430 [ 373.961611][ C1] hrtimer_start_range_ns+0xa01/0xb70 [ 373.961629][ C1] common_hrtimer_rearm+0x100/0x110 [ 373.961646][ C1] posixtimer_rearm+0x1a7/0x3f0 [ 373.961663][ C1] ? __dequeue_signal+0x384/0x600 [ 373.961681][ C1] ? alarmtimer_resume+0x60/0x60 [ 373.961699][ C1] ? __kasan_check_write+0x14/0x20 [ 373.961716][ C1] ? recalc_sigpending+0x1a5/0x230 [ 373.961732][ C1] dequeue_signal+0x1ed/0x520 [ 373.961748][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 373.961766][ C1] ? unhandled_signal+0x150/0x150 [ 373.961784][ C1] get_signal+0x7cf/0x1630 [ 373.961803][ C1] arch_do_signal_or_restart+0xbd/0x1680 [ 373.961820][ C1] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0 [ 373.961837][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 373.961856][ C1] ? __kasan_check_write+0x14/0x20 [ 373.961873][ C1] ? _copy_from_user+0x96/0xd0 [ 373.961889][ C1] ? restore_altstack+0x274/0x400 [ 373.961907][ C1] ? get_sigframe_size+0x10/0x10 [ 373.961922][ C1] ? __ia32_sys_sigaltstack+0x70/0x70 [ 373.961943][ C1] ? __do_sys_rt_sigreturn+0x160/0x1e0 [ 373.961960][ C1] exit_to_user_mode_loop+0xa0/0xe0 [ 373.961977][ C1] exit_to_user_mode_prepare+0x5a/0xa0 [ 373.962001][ C1] syscall_exit_to_user_mode+0x26/0x160 [ 373.962018][ C1] do_syscall_64+0x47/0xb0 [ 373.962032][ C1] ? clear_bhb_loop+0x35/0x90 [ 373.962047][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 373.962063][ C1] RIP: 0033:0x7f73f8affed7 [ 373.962087][ 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 [ 373.962100][ C1] RSP: 002b:00007f73f8ac0178 EFLAGS: 00000246 [ 373.962113][ C1] RAX: 00000000000000ca RBX: 00007f73f8b8a308 RCX: 00007f73f8affed9 [ 373.962124][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f73f8b8a308 [ 373.962134][ C1] RBP: 00007f73f8b8a300 R08: 00007f73f8ac06c0 R09: 00007f73f8ac06c0 [ 373.962146][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f73f8b8a30c [ 373.962156][ C1] R13: 0000000000000000 R14: 00007ffe5fb9e6e0 R15: 00007ffe5fb9e7c8 [ 373.962170][ C1] [ 374.408432][ C1] sched: RT throttling activated [ 572.188346][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 298s! [ 572.197100][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 182s! [ 572.205795][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 297s! [ 572.214044][ C0] Showing busy workqueues and worker pools: [ 572.219765][ C0] workqueue events: flags=0x0 [ 572.224278][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 572.224326][ C0] pending: vmstat_shepherd, psi_avgs_work [ 572.224373][ C0] workqueue events_unbound: flags=0x2 [ 572.242851][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 572.242890][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 572.242938][ C0] workqueue events_power_efficient: flags=0x80 [ 572.263336][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 572.263381][ C0] in-flight: 39:gc_worker [ 572.263409][ C0] pending: neigh_periodic_work, neigh_periodic_work [ 572.263445][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.263483][ C0] pending: check_lifetime [ 572.263515][ C0] workqueue writeback: flags=0x4a [ 572.299081][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 572.299130][ C0] pending: wb_workfn [ 572.299270][ C0] workqueue dm_bufio_cache: flags=0x8 [ 572.315564][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.315608][ C0] pending: work_fn [ 572.315700][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 572.332522][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 572.332568][ C0] pending: addrconf_verify_work [ 572.332721][ C0] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=182s workers=2 idle: 60