Warning: Permanently added '10.128.1.12' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program [ 274.273811][ T30] audit: type=1400 audit(1733609278.629:66): avc: denied { execmem } for pid=539 comm="syz-executor248" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 374.310396][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 374.317234][ C1] (detected by 1, t=10002 jiffies, g=2789, q=108) [ 374.323559][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294974648-4294964645), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 374.336758][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g2789 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 374.347686][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 374.357498][ C1] rcu: RCU grace-period kthread stack dump: [ 374.363226][ C1] task:rcu_preempt state:R running task stack:28264 pid: 14 ppid: 2 flags:0x00004000 [ 374.373945][ C1] Call Trace: [ 374.377068][ C1] [ 374.379848][ C1] __schedule+0xccc/0x1590 [ 374.384113][ C1] ? release_firmware_map_entry+0x190/0x190 [ 374.389821][ C1] schedule+0x11f/0x1e0 [ 374.393813][ C1] schedule_timeout+0x18c/0x370 [ 374.398496][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 374.403534][ C1] ? console_conditional_schedule+0x30/0x30 [ 374.409262][ C1] ? update_process_times+0x200/0x200 [ 374.414466][ C1] ? prepare_to_swait_event+0x308/0x320 [ 374.419848][ C1] rcu_gp_fqs_loop+0x2af/0xf80 [ 374.424447][ C1] ? debug_smp_processor_id+0x17/0x20 [ 374.429654][ C1] ? __note_gp_changes+0x4ab/0x920 [ 374.434603][ C1] ? rcu_gp_init+0xc30/0xc30 [ 374.439028][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 374.444060][ C1] ? rcu_gp_init+0x9cf/0xc30 [ 374.448489][ C1] rcu_gp_kthread+0xa4/0x350 [ 374.452916][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 374.457603][ C1] ? wake_nocb_gp+0x1e0/0x1e0 [ 374.462116][ C1] ? __kasan_check_read+0x11/0x20 [ 374.466977][ C1] ? __kthread_parkme+0xb2/0x200 [ 374.471751][ C1] kthread+0x421/0x510 [ 374.475656][ C1] ? wake_nocb_gp+0x1e0/0x1e0 [ 374.480179][ C1] ? kthread_blkcg+0xd0/0xd0 [ 374.484594][ C1] ret_from_fork+0x1f/0x30 [ 374.488852][ C1] [ 374.491709][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 374.497914][ C1] Sending NMI from CPU 1 to CPUs 0: [ 374.502931][ C0] NMI backtrace for cpu 0 [ 374.502940][ C0] CPU: 0 PID: 547 Comm: syz-executor248 Not tainted 5.15.170-syzkaller-00174-g431fb5556be3 #0 [ 374.502956][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 374.502966][ C0] RIP: 0010:native_apic_msr_write+0x39/0x50 [ 374.502991][ C0] 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 6a 1c 52 01 5d c3 0f 1f 84 00 00 00 00 [ 374.503007][ C0] RSP: 0018:ffffc900009f7788 EFLAGS: 00000046 [ 374.503019][ C0] RAX: 000000000000003e RBX: ffffffff862639e8 RCX: 0000000000000838 [ 374.503029][ C0] RDX: 0000000000000000 RSI: 000000000000003e RDI: 0000000000000838 [ 374.503038][ C0] RBP: ffffc900009f7788 R08: ffffffff8163d620 R09: ffffffff8163d21d [ 374.503049][ C0] R10: 0000000000000002 R11: ffff88810c77e2c0 R12: 0000000000000000 [ 374.503058][ C0] R13: dffffc0000000000 R14: 000000000000003e R15: dffffc0000000000 [ 374.503069][ C0] FS: 00007f3f34aec6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 374.503082][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 374.503092][ C0] CR2: 00007f3f34aebd80 CR3: 000000011afe8000 CR4: 00000000003506b0 [ 374.503104][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 374.503112][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 374.503121][ C0] Call Trace: [ 374.503127][ C0] [ 374.503131][ C0] ? show_regs+0x58/0x60 [ 374.503147][ C0] ? nmi_cpu_backtrace+0x29f/0x300 [ 374.503164][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 374.503182][ C0] ? native_apic_msr_write+0x39/0x50 [ 374.503197][ C0] ? native_apic_msr_write+0x39/0x50 [ 374.503213][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 374.503228][ C0] ? nmi_handle+0xa8/0x280 [ 374.503242][ C0] ? native_apic_msr_write+0x39/0x50 [ 374.503258][ C0] ? default_do_nmi+0x69/0x160 [ 374.503272][ C0] ? exc_nmi+0xad/0x100 [ 374.503285][ C0] ? end_repeat_nmi+0x16/0x31 [ 374.503299][ C0] ? clockevents_program_event+0x7d/0x300 [ 374.503314][ C0] ? clockevents_program_min_delta+0x180/0x440 [ 374.503330][ C0] ? native_apic_msr_write+0x39/0x50 [ 374.503346][ C0] ? native_apic_msr_write+0x39/0x50 [ 374.503362][ C0] ? native_apic_msr_write+0x39/0x50 [ 374.503382][ C0] [ 374.503386][ C0] [ 374.503390][ C0] lapic_next_event+0x5f/0x70 [ 374.503404][ C0] clockevents_program_min_delta+0x1b4/0x440 [ 374.503421][ C0] clockevents_program_event+0x217/0x300 [ 374.503436][ C0] tick_program_event+0x9f/0x120 [ 374.503451][ C0] hrtimer_reprogram+0x389/0x430 [ 374.503466][ C0] hrtimer_start_range_ns+0xa01/0xb70 [ 374.503481][ C0] common_hrtimer_rearm+0x100/0x110 [ 374.503495][ C0] posixtimer_rearm+0x1a7/0x3f0 [ 374.503510][ C0] ? __dequeue_signal+0x384/0x600 [ 374.503525][ C0] ? alarmtimer_resume+0x60/0x60 [ 374.503541][ C0] ? __kasan_check_write+0x14/0x20 [ 374.503556][ C0] ? recalc_sigpending+0x1a5/0x230 [ 374.503570][ C0] dequeue_signal+0x1ed/0x520 [ 374.503583][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 374.503598][ C0] ? unhandled_signal+0x150/0x150 [ 374.503614][ C0] get_signal+0x7cf/0x1630 [ 374.503631][ C0] arch_do_signal_or_restart+0xbd/0x1680 [ 374.503645][ C0] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0 [ 374.503660][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 374.503676][ C0] ? __kasan_check_write+0x14/0x20 [ 374.503690][ C0] ? _copy_from_user+0x96/0xd0 [ 374.503704][ C0] ? restore_altstack+0x274/0x400 [ 374.503720][ C0] ? get_sigframe_size+0x10/0x10 [ 374.503733][ C0] ? __ia32_sys_sigaltstack+0x70/0x70 [ 374.503768][ C0] ? __do_sys_rt_sigreturn+0x160/0x1e0 [ 374.503784][ C0] exit_to_user_mode_loop+0xa0/0xe0 [ 374.503800][ C0] exit_to_user_mode_prepare+0x5a/0xa0 [ 374.503816][ C0] syscall_exit_to_user_mode+0x26/0x160 [ 374.503831][ C0] do_syscall_64+0x47/0xb0 [ 374.503844][ C0] ? clear_bhb_loop+0x35/0x90 [ 374.503858][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 374.503873][ C0] RIP: 0033:0x7f3f34b2be97 [ 374.503894][ 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 [ 374.503906][ C0] RSP: 002b:00007f3f34aec178 EFLAGS: 00000246 [ 374.503918][ C0] RAX: 00000000000000ca RBX: 00007f3f34bb6308 RCX: 00007f3f34b2be99 [ 374.503928][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f3f34bb6308 [ 374.503938][ C0] RBP: 00007f3f34bb6300 R08: 00007f3f34aec6c0 R09: 00007f3f34aec6c0 [ 374.503948][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3f34bb630c [ 374.503958][ C0] R13: 0000000000000000 R14: 00007ffded348430 R15: 00007ffded348518 [ 374.503970][ C0] [ 572.160341][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 297s! [ 572.169072][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 297s! [ 572.177767][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 297s! [ 572.186008][ C0] Showing busy workqueues and worker pools: [ 572.191744][ C0] workqueue events: flags=0x0 [ 572.196230][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.196268][ C0] pending: psi_avgs_work [ 572.196295][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.196327][ C0] pending: vmstat_shepherd [ 572.196350][ C0] workqueue events_unbound: flags=0x2 [ 572.225407][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 572.225451][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 572.225514][ C0] workqueue events_power_efficient: flags=0x80 [ 572.245800][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 572.245840][ C0] pending: neigh_periodic_work, neigh_periodic_work, gc_worker [ 572.245887][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.245931][ C0] pending: check_lifetime [ 572.245955][ C0] workqueue mm_percpu_wq: flags=0x8 [ 572.278114][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.278155][ C0] pending: vmstat_update [ 572.278184][ C0] workqueue writeback: flags=0x4a [ 572.294877][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 572.294914][ C0] pending: wb_workfn [ 572.295033][ C0] workqueue dm_bufio_cache: flags=0x8 [ 572.311327][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.311367][ C0] pending: work_fn [ 572.311425][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 572.328152][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 572.328192][ C0] pending: addrconf_verify_work