Warning: Permanently added '10.128.0.208' (ED25519) to the list of known hosts. executing program executing program executing program [ 290.015156][ T30] audit: type=1400 audit(1738656725.683:66): avc: denied { execmem } for pid=555 comm="syz-executor240" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 390.046695][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 390.053567][ C0] (detected by 0, t=10002 jiffies, g=3137, q=237) [ 390.059900][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294976221-4294966219), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 390.073102][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g3137 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 390.084030][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 390.093833][ C0] rcu: RCU grace-period kthread stack dump: [ 390.099575][ C0] task:rcu_preempt state:R running task stack:28264 pid: 14 ppid: 2 flags:0x00004000 [ 390.110175][ C0] Call Trace: [ 390.113278][ C0] [ 390.116063][ C0] __schedule+0xccc/0x1590 [ 390.120308][ C0] ? release_firmware_map_entry+0x190/0x190 [ 390.126037][ C0] ? __kasan_check_write+0x14/0x20 [ 390.130996][ C0] schedule+0x11f/0x1e0 [ 390.134981][ C0] schedule_timeout+0x18c/0x370 [ 390.139665][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 390.144700][ C0] ? console_conditional_schedule+0x30/0x30 [ 390.150428][ C0] ? update_process_times+0x200/0x200 [ 390.155637][ C0] ? prepare_to_swait_event+0x308/0x320 [ 390.161021][ C0] rcu_gp_fqs_loop+0x2af/0xf80 [ 390.165617][ C0] ? debug_smp_processor_id+0x17/0x20 [ 390.170823][ C0] ? __note_gp_changes+0x4ab/0x920 [ 390.175768][ C0] ? rcu_gp_init+0xc30/0xc30 [ 390.180197][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 390.185229][ C0] ? rcu_gp_init+0x9cf/0xc30 [ 390.189657][ C0] rcu_gp_kthread+0xa4/0x350 [ 390.194084][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 390.198770][ C0] ? wake_nocb_gp+0x1e0/0x1e0 [ 390.203285][ C0] ? __kasan_check_read+0x11/0x20 [ 390.208143][ C0] ? __kthread_parkme+0xb2/0x200 [ 390.212918][ C0] kthread+0x421/0x510 [ 390.216823][ C0] ? wake_nocb_gp+0x1e0/0x1e0 [ 390.221334][ C0] ? kthread_blkcg+0xd0/0xd0 [ 390.225771][ C0] ret_from_fork+0x1f/0x30 [ 390.230051][ C0] [ 390.232879][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 390.239043][ C0] Sending NMI from CPU 0 to CPUs 1: [ 390.244094][ C1] NMI backtrace for cpu 1 [ 390.244103][ C1] CPU: 1 PID: 568 Comm: syz-executor240 Not tainted 5.15.176-syzkaller-00066-gd1a25a6a4b3b #0 [ 390.244119][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 390.244131][ C1] RIP: 0010:native_apic_msr_write+0x39/0x50 [ 390.244153][ 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 3a 6c 52 01 5d c3 0f 1f 84 00 00 00 00 [ 390.244165][ C1] RSP: 0018:ffffc900001d0df8 EFLAGS: 00000046 [ 390.244179][ C1] RAX: 00000000000278aa RBX: ffffffff862659e8 RCX: 0000000000000838 [ 390.244189][ C1] RDX: 0000000000000000 RSI: 00000000000278aa RDI: 0000000000000838 [ 390.244199][ C1] RBP: ffffc900001d0df8 R08: ffffffff8163d8eb R09: ffffffff8163d7dd [ 390.244210][ C1] R10: 0000000000000002 R11: ffff88810ea213c0 R12: 0000000000000020 [ 390.244220][ C1] R13: dffffc0000000000 R14: 00000000000278aa R15: dffffc0000000000 [ 390.244231][ C1] FS: 00007fd2744596c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 390.244244][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 390.244255][ C1] CR2: 00007fd274458d80 CR3: 000000010abc0000 CR4: 00000000003506a0 [ 390.244273][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 390.244282][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 390.244291][ C1] Call Trace: [ 390.244295][ C1] [ 390.244300][ C1] ? show_regs+0x58/0x60 [ 390.244316][ C1] ? nmi_cpu_backtrace+0x29f/0x300 [ 390.244331][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 390.244345][ C1] ? native_apic_msr_write+0x39/0x50 [ 390.244361][ C1] ? native_apic_msr_write+0x39/0x50 [ 390.244377][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 390.244393][ C1] ? nmi_handle+0xa8/0x280 [ 390.244407][ C1] ? native_apic_msr_write+0x39/0x50 [ 390.244424][ C1] ? default_do_nmi+0x69/0x160 [ 390.244439][ C1] ? exc_nmi+0xad/0x100 [ 390.244452][ C1] ? end_repeat_nmi+0x16/0x31 [ 390.244468][ C1] ? clockevents_program_event+0x7d/0x300 [ 390.244484][ C1] ? clockevents_program_event+0x18b/0x300 [ 390.244499][ C1] ? native_apic_msr_write+0x39/0x50 [ 390.244515][ C1] ? native_apic_msr_write+0x39/0x50 [ 390.244531][ C1] ? native_apic_msr_write+0x39/0x50 [ 390.244547][ C1] [ 390.244552][ C1] [ 390.244556][ C1] lapic_next_event+0x5f/0x70 [ 390.244570][ C1] clockevents_program_event+0x1c1/0x300 [ 390.244585][ C1] tick_program_event+0x9f/0x120 [ 390.244601][ C1] hrtimer_interrupt+0x625/0xaa0 [ 390.244618][ C1] __sysvec_apic_timer_interrupt+0xfb/0x3f0 [ 390.244634][ C1] sysvec_apic_timer_interrupt+0xa4/0xc0 [ 390.244649][ C1] [ 390.244653][ C1] [ 390.244657][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 390.244672][ C1] RIP: 0010:_raw_spin_unlock_irq+0x49/0x70 [ 390.244687][ C1] Code: 08 00 74 0c 48 c7 c7 58 5a ad 86 e8 e1 dd ca fc 48 83 3d 21 67 c5 01 00 74 2a 48 89 df e8 03 35 6d fc 66 90 fb bf 01 00 00 00 52 7e 64 fc 65 8b 05 33 7a 1a 7b 85 c0 74 03 5b 5d c3 e8 63 94 [ 390.244699][ C1] RSP: 0018:ffffc90000a57bb8 EFLAGS: 00000246 [ 390.244710][ C1] RAX: 0000000000000001 RBX: ffff88810ea84600 RCX: dffffc0000000000 [ 390.244721][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 390.244729][ C1] RBP: ffffc90000a57bc0 R08: ffffffff8145b12a R09: fffff5200014afc0 [ 390.244740][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810ea84600 [ 390.244750][ C1] R13: ffff88810ea84a20 R14: 0000000000000021 R15: dffffc0000000000 [ 390.244761][ C1] ? get_signal+0x151a/0x1630 [ 390.244778][ C1] ? _raw_spin_unlock_irq+0x41/0x70 [ 390.244791][ C1] get_signal+0x1562/0x1630 [ 390.244808][ C1] arch_do_signal_or_restart+0xbd/0x1680 [ 390.244822][ C1] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0 [ 390.244837][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 390.244851][ C1] ? __kasan_check_write+0x14/0x20 [ 390.244868][ C1] ? _copy_from_user+0x96/0xd0 [ 390.244882][ C1] ? restore_altstack+0x274/0x400 [ 390.244898][ C1] ? get_sigframe_size+0x10/0x10 [ 390.244911][ C1] ? __ia32_sys_sigaltstack+0x70/0x70 [ 390.244929][ C1] ? __do_sys_rt_sigreturn+0x160/0x1e0 [ 390.244944][ C1] exit_to_user_mode_loop+0xa0/0xe0 [ 390.244959][ C1] exit_to_user_mode_prepare+0x5a/0xa0 [ 390.244974][ C1] syscall_exit_to_user_mode+0x26/0x160 [ 390.244989][ C1] do_syscall_64+0x47/0xb0 [ 390.245002][ C1] ? clear_bhb_loop+0x35/0x90 [ 390.245016][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 390.245031][ C1] RIP: 0033:0x7fd274498e97 [ 390.245056][ 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 [ 390.245067][ C1] RSP: 002b:00007fd274459178 EFLAGS: 00000246 [ 390.245078][ C1] RAX: 00000000000000ca RBX: 00007fd274523308 RCX: 00007fd274498e99 [ 390.245088][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fd274523308 [ 390.245097][ C1] RBP: 00007fd274523300 R08: 00007fd2744596c0 R09: 00007fd2744596c0 [ 390.245108][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd27452330c [ 390.245117][ C1] R13: 0000000000000000 R14: 00007fffad1c25e0 R15: 00007fffad1c26c8 [ 390.245129][ C1] [ 390.406684][ C1] sched: RT throttling activated [ 572.156629][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 281s! [ 572.165364][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 181s! [ 572.174053][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 181s! [ 572.182296][ C0] Showing busy workqueues and worker pools: [ 572.188019][ C0] workqueue events: flags=0x0 [ 572.192527][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 572.192566][ C0] pending: psi_avgs_work, vmstat_shepherd [ 572.192605][ C0] workqueue events_unbound: flags=0x2 [ 572.211106][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 572.211139][ C0] in-flight: 8:toggle_allocation_gate [ 572.211168][ C0] pending: flush_memcg_stats_dwork [ 572.211191][ C0] workqueue events_power_efficient: flags=0x80 [ 572.234968][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 [ 572.235005][ C0] in-flight: 42:gc_worker [ 572.235030][ C0] pending: check_lifetime, neigh_periodic_work, neigh_periodic_work [ 572.235074][ C0] workqueue mm_percpu_wq: flags=0x8 [ 572.260153][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.260192][ C0] pending: vmstat_update [ 572.260216][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.260248][ C0] pending: vmstat_update [ 572.260270][ C0] workqueue writeback: flags=0x4a [ 572.288891][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 572.288924][ C0] pending: wb_workfn [ 572.288959][ C0] workqueue dm_bufio_cache: flags=0x8 [ 572.305192][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.305229][ C0] pending: work_fn [ 572.305252][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 572.322052][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 572.322088][ C0] pending: addrconf_verify_work [ 572.322116][ C0] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=181s workers=2 idle: 60 [ 572.322154][ C0] pool 4: cpus=0-1 flags=0x4 nice=0 hung=181s workers=2 idle: 45