Warning: Permanently added '10.128.1.63' (ED25519) to the list of known hosts. executing program executing program executing program [ 139.692183][ T30] audit: type=1400 audit(1739283204.028:66): avc: denied { execmem } for pid=404 comm="syz-executor410" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 239.727278][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 239.734088][ C0] (detected by 0, t=10002 jiffies, g=1797, q=92) [ 239.740341][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294961191-4294951189), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 239.753531][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g1797 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 239.764889][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 239.774715][ C0] rcu: RCU grace-period kthread stack dump: [ 239.780459][ C0] task:rcu_preempt state:R running task stack:28264 pid: 14 ppid: 2 flags:0x00004000 [ 239.791023][ C0] Call Trace: [ 239.794149][ C0] [ 239.796936][ C0] __schedule+0xccc/0x1590 [ 239.801171][ C0] ? release_firmware_map_entry+0x190/0x190 [ 239.806902][ C0] schedule+0x11f/0x1e0 [ 239.810892][ C0] schedule_timeout+0x18c/0x370 [ 239.815580][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 239.820614][ C0] ? console_conditional_schedule+0x30/0x30 [ 239.826341][ C0] ? update_process_times+0x200/0x200 [ 239.831549][ C0] ? prepare_to_swait_event+0x308/0x320 [ 239.836930][ C0] rcu_gp_fqs_loop+0x2af/0xf80 [ 239.841527][ C0] ? debug_smp_processor_id+0x17/0x20 [ 239.846737][ C0] ? __note_gp_changes+0x4ab/0x920 [ 239.851680][ C0] ? rcu_gp_init+0xc30/0xc30 [ 239.856110][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 239.861145][ C0] ? rcu_gp_init+0x9cf/0xc30 [ 239.865577][ C0] rcu_gp_kthread+0xa4/0x350 [ 239.869997][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 239.874688][ C0] ? wake_nocb_gp+0x1e0/0x1e0 [ 239.879198][ C0] ? __kasan_check_read+0x11/0x20 [ 239.884056][ C0] ? __kthread_parkme+0xb2/0x200 [ 239.888831][ C0] kthread+0x421/0x510 [ 239.892731][ C0] ? wake_nocb_gp+0x1e0/0x1e0 [ 239.897248][ C0] ? kthread_blkcg+0xd0/0xd0 [ 239.901671][ C0] ret_from_fork+0x1f/0x30 [ 239.905933][ C0] [ 239.908794][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 239.914962][ C0] Sending NMI from CPU 0 to CPUs 1: [ 239.920005][ C1] NMI backtrace for cpu 1 [ 239.920019][ C1] CPU: 1 PID: 416 Comm: syz-executor410 Not tainted 5.15.178-syzkaller-00193-g058abb720bd1 #0 [ 239.920036][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 239.920047][ C1] RIP: 0010:common_hrtimer_rearm+0x75/0x110 [ 239.920068][ C1] Code: 42 80 3c 28 00 74 08 48 89 df e8 56 c3 4f 00 4d 8d 74 24 78 ff 13 49 89 c7 49 8d 7c 24 58 48 89 f8 48 c1 e8 03 42 80 3c 28 00 <74> 05 e8 34 c3 4f 00 49 8b 54 24 58 4c 89 f7 4c 89 fe e8 d4 ba fd [ 239.920080][ C1] RSP: 0018:ffffc90000a679e8 EFLAGS: 00000046 [ 239.920094][ C1] RAX: 1ffff11023ddb0af RBX: ffff8881f7129a70 RCX: 0000000000000018 [ 239.920105][ C1] RDX: 0000000000000000 RSI: 0000000000000018 RDI: ffff88811eed8578 [ 239.920115][ C1] RBP: ffffc90000a67a10 R08: ffffffff81614561 R09: 0000000000000003 [ 239.920127][ C1] R10: fffff5200014cf24 R11: dffffc0000000001 R12: ffff88811eed8520 [ 239.920138][ C1] R13: dffffc0000000000 R14: ffff88811eed8598 R15: 00000037db51865b [ 239.920150][ C1] FS: 00007feb7c6a16c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 239.920164][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 239.920175][ C1] CR2: 00007feb7c6a0e40 CR3: 000000011f4be000 CR4: 00000000003506a0 [ 239.920189][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 239.920197][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 239.920207][ C1] Call Trace: [ 239.920211][ C1] [ 239.920216][ C1] ? show_regs+0x58/0x60 [ 239.920233][ C1] ? nmi_cpu_backtrace+0x29f/0x300 [ 239.920249][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 239.920264][ C1] ? common_hrtimer_rearm+0x75/0x110 [ 239.920278][ C1] ? common_hrtimer_rearm+0x75/0x110 [ 239.920292][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 239.920309][ C1] ? nmi_handle+0xa8/0x280 [ 239.920325][ C1] ? common_hrtimer_rearm+0x75/0x110 [ 239.920339][ C1] ? default_do_nmi+0x69/0x160 [ 239.920355][ C1] ? exc_nmi+0xad/0x100 [ 239.920369][ C1] ? end_repeat_nmi+0x16/0x31 [ 239.920384][ C1] ? ktime_get+0xf1/0x160 [ 239.920399][ C1] ? common_hrtimer_rearm+0x75/0x110 [ 239.920413][ C1] ? common_hrtimer_rearm+0x75/0x110 [ 239.920427][ C1] ? common_hrtimer_rearm+0x75/0x110 [ 239.920442][ C1] [ 239.920447][ C1] [ 239.920451][ C1] posixtimer_rearm+0x1a7/0x3f0 [ 239.920468][ C1] ? __dequeue_signal+0x384/0x600 [ 239.920484][ C1] ? alarmtimer_resume+0x60/0x60 [ 239.920501][ C1] ? __kasan_check_write+0x14/0x20 [ 239.920518][ C1] ? recalc_sigpending+0x1a5/0x230 [ 239.920533][ C1] dequeue_signal+0x1ed/0x520 [ 239.920548][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 239.920562][ C1] ? unhandled_signal+0x150/0x150 [ 239.920579][ C1] get_signal+0x7cf/0x1630 [ 239.920596][ C1] arch_do_signal_or_restart+0xbd/0x1680 [ 239.920612][ C1] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0 [ 239.920628][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 239.920643][ C1] ? __kasan_check_write+0x14/0x20 [ 239.920659][ C1] ? _copy_from_user+0x96/0xd0 [ 239.920674][ C1] ? restore_altstack+0x274/0x400 [ 239.920697][ C1] ? get_sigframe_size+0x10/0x10 [ 239.920711][ C1] ? __ia32_sys_sigaltstack+0x70/0x70 [ 239.920730][ C1] ? __do_sys_rt_sigreturn+0x160/0x1e0 [ 239.920745][ C1] exit_to_user_mode_loop+0xa0/0xe0 [ 239.920761][ C1] exit_to_user_mode_prepare+0x5a/0xa0 [ 239.920777][ C1] syscall_exit_to_user_mode+0x26/0x160 [ 239.920794][ C1] do_syscall_64+0x47/0xb0 [ 239.920807][ C1] ? clear_bhb_loop+0x35/0x90 [ 239.920822][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 239.920838][ C1] RIP: 0033:0x7feb7c6e0457 [ 239.920851][ 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 [ 239.920863][ C1] RSP: 002b:00007feb7c6a1218 EFLAGS: 00000246 [ 239.920875][ C1] RAX: 00000000000000ca RBX: 00007feb7c76a308 RCX: 00007feb7c6e0459 [ 239.920885][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007feb7c76a308 [ 239.920895][ C1] RBP: 00007feb7c76a300 R08: 0000000000000000 R09: 0000000000000000 [ 239.920904][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000400000000140 [ 239.920914][ C1] R13: 000040000006b000 R14: 0000400000000100 R15: 0000400000000680 [ 239.920927][ C1] [ 428.777194][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 288s! [ 428.785930][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 288s! [ 428.794641][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 284s! [ 428.803465][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 288s! [ 428.811715][ C0] Showing busy workqueues and worker pools: [ 428.817443][ C0] workqueue events: flags=0x0 [ 428.821944][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.821992][ C0] pending: psi_avgs_work [ 428.822033][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.822071][ C0] pending: vmstat_shepherd [ 428.822115][ C0] workqueue events_unbound: flags=0x2 [ 428.851258][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 428.851298][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 428.851394][ C0] workqueue events_power_efficient: flags=0x80 [ 428.871766][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 428.871806][ C0] pending: neigh_periodic_work, gc_worker [ 428.871841][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 428.871876][ C0] pending: check_lifetime, neigh_periodic_work [ 428.871908][ C0] workqueue mm_percpu_wq: flags=0x8 [ 428.904173][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.904219][ C0] pending: vmstat_update [ 428.904247][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.904287][ C0] pending: vmstat_update [ 428.904313][ C0] workqueue writeback: flags=0x4a [ 428.932925][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 428.932970][ C0] pending: wb_workfn [ 428.933001][ C0] workqueue kblockd: flags=0x18 [ 428.948733][ C0] pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 428.948778][ C0] pending: blk_mq_timeout_work [ 428.948914][ C0] workqueue dm_bufio_cache: flags=0x8 [ 428.966674][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.966719][ C0] pending: work_fn [ 428.966812][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 428.983620][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 428.983663][ C0] pending: addrconf_verify_work