Warning: Permanently added '10.128.1.70' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program [ 282.905493][ T30] audit: type=1400 audit(1732663810.349:66): avc: denied { execmem } for pid=549 comm="syz-executor387" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 282.908595][ T30] audit: type=1400 audit(1732663810.349:67): avc: denied { integrity } for pid=549 comm="syz-executor387" lockdown_reason="debugfs access" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=lockdown permissive=1 [ 382.936449][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 382.943235][ C0] (detected by 0, t=10002 jiffies, g=2793, q=277) [ 382.949563][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294975512-4294965510), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 382.962778][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g2793 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 382.973788][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 382.983606][ C0] rcu: RCU grace-period kthread stack dump: [ 382.989341][ C0] task:rcu_preempt state:R running task stack:28264 pid: 14 ppid: 2 flags:0x00004000 [ 382.999925][ C0] Call Trace: [ 383.003038][ C0] [ 383.005825][ C0] __schedule+0xccc/0x1590 [ 383.010068][ C0] ? release_firmware_map_entry+0x190/0x190 [ 383.015793][ C0] ? __kasan_check_write+0x14/0x20 [ 383.020753][ C0] schedule+0x11f/0x1e0 [ 383.024735][ C0] schedule_timeout+0x18c/0x370 [ 383.029432][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 383.034456][ C0] ? console_conditional_schedule+0x30/0x30 [ 383.040185][ C0] ? update_process_times+0x200/0x200 [ 383.045398][ C0] ? prepare_to_swait_event+0x308/0x320 [ 383.050771][ C0] rcu_gp_fqs_loop+0x2af/0xf80 [ 383.055375][ C0] ? debug_smp_processor_id+0x17/0x20 [ 383.060587][ C0] ? __note_gp_changes+0x4ab/0x920 [ 383.065541][ C0] ? rcu_gp_init+0xc30/0xc30 [ 383.069951][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 383.074997][ C0] ? rcu_gp_init+0x9cf/0xc30 [ 383.079411][ C0] rcu_gp_kthread+0xa4/0x350 [ 383.083845][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 383.088526][ C0] ? wake_nocb_gp+0x1e0/0x1e0 [ 383.093046][ C0] ? __kasan_check_read+0x11/0x20 [ 383.097897][ C0] ? __kthread_parkme+0xb2/0x200 [ 383.102686][ C0] kthread+0x421/0x510 [ 383.106580][ C0] ? wake_nocb_gp+0x1e0/0x1e0 [ 383.111091][ C0] ? kthread_blkcg+0xd0/0xd0 [ 383.115518][ C0] ret_from_fork+0x1f/0x30 [ 383.119775][ C0] [ 383.122636][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 383.128808][ C0] Sending NMI from CPU 0 to CPUs 1: [ 383.133850][ C1] NMI backtrace for cpu 1 [ 383.133859][ C1] CPU: 1 PID: 564 Comm: syz-executor387 Not tainted 5.15.168-syzkaller-00719-g101e665d55a8 #0 [ 383.133876][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 383.133887][ C1] RIP: 0010:asm_sysvec_apic_timer_interrupt+0x0/0x20 [ 383.133912][ C1] Code: e8 95 0f e1 ff e9 b0 04 00 00 0f 01 ca fc 6a ff e8 b5 03 00 00 48 89 c4 48 8d 6c 24 01 48 89 e7 e8 b5 0e e1 ff e9 90 04 00 00 <0f> 01 ca fc 6a ff e8 95 03 00 00 48 89 c4 48 8d 6c 24 01 48 89 e7 [ 383.133927][ C1] RSP: 0018:ffffc90000a67b88 EFLAGS: 00000046 [ 383.133941][ C1] RAX: 0000000000000001 RBX: ffff88810d8888c0 RCX: dffffc0000000000 [ 383.133951][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 383.133960][ C1] RBP: ffffc90000a67bc0 R08: ffffffff8145ab6a R09: fffff5200014cfc0 [ 383.133971][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810d8888c0 [ 383.133982][ C1] R13: ffff88810d888ce0 R14: 0000000000000021 R15: dffffc0000000000 [ 383.133992][ C1] FS: 00007f7338b4b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 383.134006][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 383.134017][ C1] CR2: 00007f7338b4ad80 CR3: 0000000122861000 CR4: 00000000003506a0 [ 383.134030][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 383.134038][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 383.134048][ C1] Call Trace: [ 383.134052][ C1] [ 383.134057][ C1] ? show_regs+0x58/0x60 [ 383.134073][ C1] ? nmi_cpu_backtrace+0x29f/0x300 [ 383.134091][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 383.134108][ C1] ? asm_sysvec_spurious_apic_interrupt+0x20/0x20 [ 383.134123][ C1] ? asm_sysvec_spurious_apic_interrupt+0x20/0x20 [ 383.134138][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 383.134154][ C1] ? nmi_handle+0xa8/0x280 [ 383.134168][ C1] ? asm_sysvec_spurious_apic_interrupt+0x20/0x20 [ 383.134182][ C1] ? default_do_nmi+0x69/0x160 [ 383.134197][ C1] ? exc_nmi+0xad/0x100 [ 383.134210][ C1] ? end_repeat_nmi+0x16/0x31 [ 383.134224][ C1] ? get_signal+0x151a/0x1630 [ 383.134239][ C1] ? asm_sysvec_spurious_apic_interrupt+0x20/0x20 [ 383.134254][ C1] ? asm_sysvec_spurious_apic_interrupt+0x20/0x20 [ 383.134269][ C1] ? asm_sysvec_spurious_apic_interrupt+0x20/0x20 [ 383.134284][ C1] [ 383.134288][ C1] [ 383.134292][ C1] ? _raw_spin_unlock_irq+0x49/0x70 [ 383.134308][ C1] ? _raw_spin_unlock_irq+0x41/0x70 [ 383.134323][ C1] get_signal+0x1562/0x1630 [ 383.134339][ C1] arch_do_signal_or_restart+0xbd/0x1680 [ 383.134353][ C1] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0 [ 383.134368][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 383.134384][ C1] ? __kasan_check_write+0x14/0x20 [ 383.134400][ C1] ? _copy_from_user+0x96/0xd0 [ 383.134413][ C1] ? restore_altstack+0x274/0x400 [ 383.134429][ C1] ? get_sigframe_size+0x10/0x10 [ 383.134442][ C1] ? __ia32_sys_sigaltstack+0x70/0x70 [ 383.134459][ C1] ? __do_sys_rt_sigreturn+0x160/0x1e0 [ 383.134474][ C1] exit_to_user_mode_loop+0xa0/0xe0 [ 383.134488][ C1] exit_to_user_mode_prepare+0x5a/0xa0 [ 383.134503][ C1] syscall_exit_to_user_mode+0x26/0x160 [ 383.134518][ C1] do_syscall_64+0x47/0xb0 [ 383.134530][ C1] ? clear_bhb_loop+0x35/0x90 [ 383.134543][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 383.134557][ C1] RIP: 0033:0x7f7338b8ae97 [ 383.134581][ 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 [ 383.134592][ C1] RSP: 002b:00007f7338b4b178 EFLAGS: 00000246 [ 383.134608][ C1] RAX: 00000000000000ca RBX: 00007f7338c15308 RCX: 00007f7338b8ae99 [ 383.134618][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7338c15308 [ 383.134628][ C1] RBP: 00007f7338c15300 R08: 00007f7338b4b6c0 R09: 00007f7338b4b6c0 [ 383.134638][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7338c1530c [ 383.134647][ C1] R13: 0000000000000000 R14: 00007ffe76ddb360 R15: 00007ffe76ddb448 [ 383.134659][ C1] [ 383.386453][ C1] sched: RT throttling activated [ 572.136472][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 288s! [ 572.145208][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 288s! [ 572.154151][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 188s! [ 572.162391][ C0] Showing busy workqueues and worker pools: [ 572.168130][ C0] workqueue events: flags=0x0 [ 572.172620][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 572.172661][ C0] pending: vmstat_shepherd, psi_avgs_work [ 572.172703][ C0] workqueue events_unbound: flags=0x2 [ 572.191291][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 572.191329][ C0] in-flight: 55:toggle_allocation_gate [ 572.191359][ C0] pending: flush_memcg_stats_dwork [ 572.191383][ C0] workqueue events_power_efficient: flags=0x80 [ 572.215233][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.215272][ C0] pending: check_lifetime [ 572.215298][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 572.215330][ C0] pending: neigh_periodic_work, neigh_periodic_work, gc_worker [ 572.215374][ C0] workqueue mm_percpu_wq: flags=0x8 [ 572.247546][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.247592][ C0] pending: vmstat_update [ 572.247623][ C0] workqueue writeback: flags=0x4a [ 572.264285][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 572.264322][ C0] pending: wb_workfn [ 572.264435][ C0] workqueue dm_bufio_cache: flags=0x8 [ 572.280742][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.280784][ C0] pending: work_fn [ 572.280854][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 572.297570][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 572.297611][ C0] pending: addrconf_verify_work [ 572.297726][ C0] pool 4: cpus=0-1 flags=0x4 nice=0 hung=188s workers=2 idle: 8