Warning: Permanently added '10.128.1.116' (ED25519) to the list of known hosts. executing program executing program executing program [ 143.987301][ T28] audit: type=1400 audit(1732171112.272:66): avc: denied { execmem } for pid=412 comm="syz-executor208" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 285.386706][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 140s! [ 285.395471][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 141s! [ 285.403959][ C0] Showing busy workqueues and worker pools: [ 285.409676][ C0] workqueue events: flags=0x0 [ 285.414181][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 285.414229][ C0] pending: psi_avgs_work, vmstat_shepherd [ 285.414308][ C0] workqueue events_unbound: flags=0x2 [ 285.433027][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 285.433072][ C0] pending: flush_memcg_stats_dwork, toggle_allocation_gate [ 285.433194][ C0] workqueue events_power_efficient: flags=0x80 [ 285.453649][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 285.453697][ C0] pending: neigh_managed_work, neigh_periodic_work, check_lifetime [ 285.453761][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 285.453802][ C0] in-flight: 206:gc_worker [ 285.453837][ C0] pending: neigh_managed_work, neigh_periodic_work [ 285.453887][ C0] workqueue mm_percpu_wq: flags=0x8 [ 285.493178][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.493228][ C0] pending: vmstat_update [ 285.493265][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.493306][ C0] pending: vmstat_update [ 285.493342][ C0] workqueue writeback: flags=0x4a [ 285.521954][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 285.521999][ C0] pending: wb_workfn [ 285.522258][ C0] workqueue dm_bufio_cache: flags=0x8 [ 285.538568][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.538625][ C0] pending: work_fn [ 285.538784][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 285.555610][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 285.555663][ C0] pending: addrconf_verify_work [ 285.555745][ C0] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=91s workers=3 idle: 6 19 [ 293.376699][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 293.383493][ C1] (detected by 1, t=10002 jiffies, g=1553, q=9 ncpus=2) [ 293.390345][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294966559-4294956557), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 293.403544][ C1] rcu: rcu_preempt kthread starved for 10002 jiffies! g1553 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 293.414470][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 293.424282][ C1] rcu: RCU grace-period kthread stack dump: [ 293.430025][ C1] task:rcu_preempt state:R running task stack:27688 pid:14 ppid:2 flags:0x00004000 [ 293.440602][ C1] Call Trace: [ 293.443719][ C1] [ 293.446497][ C1] __schedule+0xcb5/0x1560 [ 293.450766][ C1] ? __sched_text_start+0x8/0x8 [ 293.455455][ C1] schedule+0xc3/0x180 [ 293.459340][ C1] schedule_timeout+0x18c/0x380 [ 293.464035][ C1] ? _raw_spin_unlock_irq+0x4d/0x70 [ 293.469059][ C1] ? console_conditional_schedule+0x10/0x10 [ 293.474792][ C1] ? update_process_times+0x1b0/0x1b0 [ 293.479998][ C1] ? prepare_to_swait_event+0x308/0x320 [ 293.485381][ C1] rcu_gp_fqs_loop+0x2ed/0x10a0 [ 293.490063][ C1] ? _raw_spin_unlock_irq+0x4d/0x70 [ 293.495100][ C1] ? rcu_gp_init+0xc7f/0xfa0 [ 293.499525][ C1] ? rcu_gp_init+0xfa0/0xfa0 [ 293.503952][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 293.509591][ C1] ? finish_swait+0x17d/0x1b0 [ 293.514106][ C1] rcu_gp_kthread+0xa3/0x3a0 [ 293.518534][ C1] ? queued_spin_lock_slowpath+0x50/0x50 [ 293.524000][ C1] ? set_cpus_allowed_ptr+0xa4/0xe0 [ 293.529296][ C1] ? __kasan_check_read+0x11/0x20 [ 293.534154][ C1] ? __kthread_parkme+0x12d/0x180 [ 293.539015][ C1] kthread+0x26d/0x300 [ 293.542918][ C1] ? queued_spin_lock_slowpath+0x50/0x50 [ 293.548391][ C1] ? kthread_blkcg+0xd0/0xd0 [ 293.552828][ C1] ret_from_fork+0x1f/0x30 [ 293.557069][ C1] [ 293.559929][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 293.566097][ C1] Sending NMI from CPU 1 to CPUs 0: [ 293.571146][ C0] NMI backtrace for cpu 0 [ 293.571161][ C0] CPU: 0 PID: 420 Comm: syz-executor208 Not tainted 6.1.112-syzkaller-00026-g51bee181735e #0 [ 293.571180][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 293.571190][ C0] RIP: 0010:__task_pid_nr_ns+0x18a/0x270 [ 293.571220][ C0] Code: c0 0f 85 9b 00 00 00 8b 1b 44 89 ff 89 de e8 fd ef 28 00 41 39 df 76 12 e8 73 ee 28 00 31 db eb 52 e8 6a ee 28 00 31 db eb 49 <49> c1 e7 04 4b 8d 5c 3c 68 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 [ 293.571234][ C0] RSP: 0018:ffffc90001377ed8 EFLAGS: 00000246 [ 293.571250][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888111a2e540 [ 293.571261][ C0] RDX: ffff888111a2e540 RSI: 0000000000000000 RDI: 0000000000000000 [ 293.571272][ C0] RBP: ffffc90001377f00 R08: ffffffff814cb733 R09: 0000000000000000 [ 293.571285][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881244ce240 [ 293.571296][ C0] R13: dffffc0000000000 R14: ffffffff87100260 R15: 0000000000000000 [ 293.571308][ C0] FS: 00007f723cfc36c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 293.571324][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 293.571336][ C0] CR2: 00007f723cfc2e40 CR3: 0000000124571000 CR4: 00000000003506b0 [ 293.571351][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 293.571361][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 293.571372][ C0] Call Trace: [ 293.571377][ C0] [ 293.571382][ C0] ? show_regs+0x58/0x60 [ 293.571400][ C0] ? nmi_cpu_backtrace+0x285/0x2f0 [ 293.571424][ C0] ? nmi_trigger_cpumask_backtrace+0x3b0/0x3b0 [ 293.571449][ C0] ? __task_pid_nr_ns+0x18a/0x270 [ 293.571474][ C0] ? __task_pid_nr_ns+0x18a/0x270 [ 293.571500][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 293.571520][ C0] ? nmi_handle+0xa7/0x280 [ 293.571538][ C0] ? __task_pid_nr_ns+0x18a/0x270 [ 293.571563][ C0] ? default_do_nmi+0x69/0x160 [ 293.571584][ C0] ? exc_nmi+0xad/0x100 [ 293.571603][ C0] ? end_repeat_nmi+0x16/0x31 [ 293.571626][ C0] ? __task_pid_nr_ns+0x173/0x270 [ 293.571652][ C0] ? __task_pid_nr_ns+0x18a/0x270 [ 293.571677][ C0] ? __task_pid_nr_ns+0x18a/0x270 [ 293.571703][ C0] ? __task_pid_nr_ns+0x18a/0x270 [ 293.571728][ C0] [ 293.571733][ C0] [ 293.571739][ C0] __do_sys_getpid+0x1d/0x30 [ 293.571764][ C0] x64_sys_call+0x139/0x9a0 [ 293.571783][ C0] do_syscall_64+0x3b/0xb0 [ 293.571800][ C0] ? clear_bhb_loop+0x55/0xb0 [ 293.571822][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 293.571842][ C0] RIP: 0033:0x7f723d000b47 [ 293.571868][ C0] Code: 0b e9 68 fe ff ff 48 83 c4 18 48 8d 3d b2 08 09 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 93 d9 fd ff 0f 1f 00 b8 27 00 00 00 0f 05 0f 1f 84 00 00 00 00 00 31 f6 31 ff e9 07 e3 02 00 0f 1f 80 00 [ 293.571882][ C0] RSP: 002b:00007f723cfc2c48 EFLAGS: 00000206 ORIG_RAX: 0000000000000027 [ 293.571909][ C0] RAX: ffffffffffffffda RBX: 00007f723cfc2db0 RCX: 00007f723d000b47 [ 293.571921][ C0] RDX: 00007f723cfc2c80 RSI: 00007f723cfc2db0 RDI: 0000000000000021 [ 293.571932][ C0] RBP: 0000000000000000 R08: 00007f723cfc36c0 R09: 00007f723cfc36c0 [ 293.571943][ C0] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f723d08c30c [ 293.571954][ C0] R13: 0000000000000000 R14: 00007ffe620c6be0 R15: 00007ffe620c6cc8 [ 293.571969][ C0]