Warning: Permanently added '10.128.0.17' (ED25519) to the list of known hosts. executing program executing program executing program executing program [ 434.281861][ T28] audit: type=1400 audit(1694372241.565:66): avc: denied { execmem } for pid=702 comm="syz-executor106" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 534.307388][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 534.314169][ C1] (detected by 1, t=10002 jiffies, g=3633, q=169 ncpus=2) [ 534.321193][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294990649-4294980647), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 534.334389][ C1] rcu: rcu_preempt kthread starved for 10002 jiffies! g3633 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 534.345322][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 534.355132][ C1] rcu: RCU grace-period kthread stack dump: [ 534.360856][ C1] task:rcu_preempt state:R running task stack:27752 pid:14 ppid:2 flags:0x00004000 [ 534.371446][ C1] Call Trace: [ 534.374572][ C1] [ 534.377350][ C1] __schedule+0xc99/0x1540 [ 534.381601][ C1] ? __sched_text_start+0x8/0x8 [ 534.386287][ C1] ? __kasan_check_write+0x14/0x20 [ 534.391232][ C1] schedule+0xc3/0x180 [ 534.395142][ C1] schedule_timeout+0x18c/0x380 [ 534.399825][ C1] ? _raw_spin_unlock_irq+0x4d/0x70 [ 534.404862][ C1] ? console_conditional_schedule+0x10/0x10 [ 534.410590][ C1] ? update_process_times+0x1b0/0x1b0 [ 534.415991][ C1] ? prepare_to_swait_event+0x308/0x320 [ 534.421372][ C1] rcu_gp_fqs_loop+0x2dd/0xf40 [ 534.426022][ C1] ? _raw_spin_unlock_irq+0x4d/0x70 [ 534.431004][ C1] ? rcu_gp_init+0xc75/0xf70 [ 534.435428][ C1] ? rcu_gp_init+0xf70/0xf70 [ 534.439852][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 534.445495][ C1] ? finish_swait+0x17d/0x1b0 [ 534.450010][ C1] rcu_gp_kthread+0xa3/0x390 [ 534.454433][ C1] ? queued_spin_lock_slowpath+0x50/0x50 [ 534.459902][ C1] ? set_cpus_allowed_ptr+0xa4/0xe0 [ 534.464936][ C1] ? __kasan_check_read+0x11/0x20 [ 534.469796][ C1] ? __kthread_parkme+0x12d/0x180 [ 534.474655][ C1] kthread+0x26d/0x300 [ 534.478561][ C1] ? queued_spin_lock_slowpath+0x50/0x50 [ 534.484029][ C1] ? kthread_blkcg+0xd0/0xd0 [ 534.488452][ C1] ret_from_fork+0x1f/0x30 [ 534.492708][ C1] [ 534.495571][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 534.501734][ C1] CPU: 1 PID: 717 Comm: syz-executor106 Not tainted 6.1.25-syzkaller-00088-gcd94fe67fd33 #0 [ 534.511625][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 534.521520][ C1] RIP: 0010:_raw_spin_unlock_irq+0x48/0x70 [ 534.527161][ C1] Code: 3c 08 00 74 0c 48 c7 c7 60 e2 ad 86 e8 71 77 c0 fc 48 83 3d 79 2e b3 01 00 74 29 48 89 df e8 f3 0e 00 00 90 fb bf 01 00 00 00 63 6c 54 fc 65 8b 05 c4 b9 07 7b 85 c0 74 03 5b 5d c3 e8 b4 cb [ 534.546604][ C1] RSP: 0018:ffffc90001c57b48 EFLAGS: 00000246 [ 534.552506][ C1] RAX: 0000000000000001 RBX: ffff888112763480 RCX: dffffc0000000000 [ 534.560343][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 534.568127][ C1] RBP: ffffc90001c57b50 R08: ffffffff81484b2f R09: fffff5200038afc0 [ 534.575935][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881127638a0 [ 534.583751][ C1] R13: 1ffff110224ec714 R14: 0000000000000021 R15: dffffc0000000000 [ 534.591561][ C1] FS: 00007f9e4efd26c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 534.600324][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 534.606747][ C1] CR2: 00007f9e4efd1e40 CR3: 0000000121ae1000 CR4: 00000000003506a0 [ 534.614656][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 534.622667][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 534.630561][ C1] Call Trace: [ 534.633702][ C1] [ 534.636465][ C1] get_signal+0x14e6/0x1820 [ 534.640903][ C1] ? ptrace_notify+0x350/0x350 [ 534.645490][ C1] ? __kasan_check_write+0x14/0x20 [ 534.650440][ C1] arch_do_signal_or_restart+0xb0/0x16f0 [ 534.655908][ C1] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0 [ 534.662153][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 534.667101][ C1] ? do_sigaltstack+0x3f9/0x630 [ 534.671785][ C1] ? get_sigframe_size+0x10/0x10 [ 534.676558][ C1] ? restore_altstack+0x107/0x150 [ 534.681417][ C1] ? __ia32_sys_sigaltstack+0x260/0x260 [ 534.686984][ C1] ? sched_clock_cpu+0x71/0x2b0 [ 534.691653][ C1] ? __do_sys_rt_sigreturn+0x160/0x1e0 [ 534.696967][ C1] exit_to_user_mode_loop+0x6b/0xa0 [ 534.701992][ C1] exit_to_user_mode_prepare+0x5a/0xa0 [ 534.707277][ C1] syscall_exit_to_user_mode+0x26/0x130 [ 534.712655][ C1] do_syscall_64+0x49/0xb0 [ 534.716908][ C1] ? sysvec_apic_timer_interrupt+0x55/0xc0 [ 534.722554][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 534.728280][ C1] RIP: 0033:0x7f9e4f011417 [ 534.732529][ 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 [ 534.751985][ C1] RSP: 002b:00007f9e4efd2238 EFLAGS: 00000246 [ 534.757874][ C1] RAX: 00000000000000ca RBX: 00007f9e4f09b308 RCX: 00007f9e4f011419 [ 534.765686][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9e4f09b308 [ 534.773496][ C1] RBP: 00007f9e4f09b300 R08: 00007f9e4efd26c0 R09: 00007f9e4efd26c0 [ 534.781305][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9e4f09b30c [ 534.789117][ C1] R13: 0000000000000000 R14: 00007fff16765540 R15: 00007fff16765628 [ 534.796932][ C1] [ 715.497324][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 280s! [ 715.506056][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 280s! [ 715.514834][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 275s! [ 715.523685][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 281s! [ 715.531961][ C0] Showing busy workqueues and worker pools: [ 715.537745][ C0] workqueue events: flags=0x0 [ 715.542247][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 715.542287][ C0] pending: vmstat_shepherd, psi_avgs_work [ 715.542337][ C0] workqueue events_unbound: flags=0x2 [ 715.560833][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 715.560870][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 715.560931][ C0] workqueue events_power_efficient: flags=0x80 [ 715.581224][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=5/256 refcnt=6 [ 715.581265][ C0] pending: neigh_periodic_work, neigh_managed_work, neigh_managed_work, neigh_periodic_work, gc_worker [ 715.581351][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.581386][ C0] pending: check_lifetime [ 715.581405][ C0] workqueue mm_percpu_wq: flags=0x8 [ 715.617040][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.617084][ C0] pending: vmstat_update [ 715.617111][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.617146][ C0] pending: vmstat_update [ 715.617186][ C0] workqueue writeback: flags=0x4a [ 715.645791][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 715.645829][ C0] pending: wb_workfn [ 715.645861][ C0] workqueue kblockd: flags=0x18 [ 715.661612][ C0] pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 715.661668][ C0] pending: blk_mq_timeout_work [ 715.661712][ C0] workqueue dm_bufio_cache: flags=0x8 [ 715.679398][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.679441][ C0] pending: work_fn [ 715.679467][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 715.696221][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 715.696272][ C0] pending: addrconf_verify_work