Warning: Permanently added '10.128.0.125' (ED25519) to the list of known hosts. executing program executing program executing program [ 138.498708][ T30] audit: type=1400 audit(1734001701.299:66): avc: denied { execmem } for pid=403 comm="syz-executor547" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 238.536902][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 238.543739][ C1] (detected by 1, t=10002 jiffies, g=1629, q=191) [ 238.550065][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294961075-4294951072), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 238.563266][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g1629 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 238.574195][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 238.583998][ C1] rcu: RCU grace-period kthread stack dump: [ 238.589738][ C1] task:rcu_preempt state:R running task stack:28264 pid: 14 ppid: 2 flags:0x00004000 [ 238.600334][ C1] Call Trace: [ 238.603439][ C1] [ 238.606229][ C1] __schedule+0xccc/0x1590 [ 238.610475][ C1] ? release_firmware_map_entry+0x190/0x190 [ 238.616202][ C1] schedule+0x11f/0x1e0 [ 238.620192][ C1] schedule_timeout+0x18c/0x370 [ 238.624875][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 238.629935][ C1] ? console_conditional_schedule+0x30/0x30 [ 238.635642][ C1] ? update_process_times+0x200/0x200 [ 238.640849][ C1] ? prepare_to_swait_event+0x308/0x320 [ 238.646232][ C1] rcu_gp_fqs_loop+0x2af/0xf80 [ 238.650831][ C1] ? debug_smp_processor_id+0x17/0x20 [ 238.656036][ C1] ? __note_gp_changes+0x4ab/0x920 [ 238.660987][ C1] ? rcu_gp_init+0xc30/0xc30 [ 238.665410][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 238.670447][ C1] ? rcu_gp_init+0x9cf/0xc30 [ 238.674874][ C1] rcu_gp_kthread+0xa4/0x350 [ 238.679295][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 238.683984][ C1] ? wake_nocb_gp+0x1e0/0x1e0 [ 238.688497][ C1] ? __kasan_check_read+0x11/0x20 [ 238.693619][ C1] ? __kthread_parkme+0xb2/0x200 [ 238.698393][ C1] kthread+0x421/0x510 [ 238.702313][ C1] ? wake_nocb_gp+0x1e0/0x1e0 [ 238.706811][ C1] ? kthread_blkcg+0xd0/0xd0 [ 238.711237][ C1] ret_from_fork+0x1f/0x30 [ 238.715488][ C1] [ 238.718366][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 238.724535][ C1] Sending NMI from CPU 1 to CPUs 0: [ 238.729567][ C0] NMI backtrace for cpu 0 [ 238.729580][ C0] CPU: 0 PID: 411 Comm: syz-executor547 Not tainted 5.15.170-syzkaller-00230-g1f9202a6d83b #0 [ 238.729597][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 238.729607][ C0] RIP: 0010:__kasan_check_read+0x12/0x20 [ 238.729629][ C0] Code: 86 eb 0a 48 c7 c7 59 2a 1a 86 4c 89 fe e8 f6 f1 2d 03 31 db eb d3 cc cc 55 48 89 e5 89 f6 48 8b 4d 08 31 d2 e8 ff ed ff ff 5d 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 89 f6 48 8b [ 238.729645][ C0] RSP: 0018:ffffc90000a07ac0 EFLAGS: 00000097 [ 238.729660][ C0] RAX: 0000000000000001 RBX: ffffffff874fea20 RCX: ffffffff8144f25f [ 238.729672][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff874fea20 [ 238.729682][ C0] RBP: ffffc90000a07af0 R08: dffffc0000000000 R09: 0000000000000003 [ 238.729694][ C0] R10: fffffbfff0e9fd44 R11: dffffc0000000001 R12: dffffc0000000000 [ 238.729706][ C0] R13: 0000000000000000 R14: ffff88810c2593c0 R15: ffff88810c466850 [ 238.729717][ C0] FS: 00007fa0c09026c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 238.729733][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 238.729744][ C0] CR2: 00007fa0c0901e40 CR3: 0000000125f23000 CR4: 00000000003506b0 [ 238.729758][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 238.729767][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 238.729783][ C0] Call Trace: [ 238.729788][ C0] [ 238.729793][ C0] ? show_regs+0x58/0x60 [ 238.729810][ C0] ? nmi_cpu_backtrace+0x29f/0x300 [ 238.729849][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 238.729869][ C0] ? __kasan_check_read+0x12/0x20 [ 238.729886][ C0] ? __kasan_check_read+0x12/0x20 [ 238.729903][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 238.729922][ C0] ? nmi_handle+0xa8/0x280 [ 238.729939][ C0] ? __kasan_check_read+0x12/0x20 [ 238.729956][ C0] ? default_do_nmi+0x69/0x160 [ 238.729973][ C0] ? exc_nmi+0xad/0x100 [ 238.729988][ C0] ? end_repeat_nmi+0x16/0x31 [ 238.730005][ C0] ? recalc_sigpending+0x16f/0x230 [ 238.730023][ C0] ? __kasan_check_read+0x12/0x20 [ 238.730040][ C0] ? __kasan_check_read+0x12/0x20 [ 238.730058][ C0] ? __kasan_check_read+0x12/0x20 [ 238.730074][ C0] [ 238.730079][ C0] [ 238.730084][ C0] ? recalc_sigpending+0x16f/0x230 [ 238.730100][ C0] dequeue_signal+0x12a/0x520 [ 238.730116][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 238.730135][ C0] ? unhandled_signal+0x150/0x150 [ 238.730153][ C0] get_signal+0x7cf/0x1630 [ 238.730173][ C0] arch_do_signal_or_restart+0xbd/0x1680 [ 238.730190][ C0] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0 [ 238.730207][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 238.730227][ C0] ? __kasan_check_write+0x14/0x20 [ 238.730244][ C0] ? _copy_from_user+0x96/0xd0 [ 238.730260][ C0] ? restore_altstack+0x274/0x400 [ 238.730278][ C0] ? get_sigframe_size+0x10/0x10 [ 238.730293][ C0] ? __ia32_sys_sigaltstack+0x70/0x70 [ 238.730314][ C0] ? __do_sys_rt_sigreturn+0x160/0x1e0 [ 238.730332][ C0] exit_to_user_mode_loop+0xa0/0xe0 [ 238.730349][ C0] exit_to_user_mode_prepare+0x5a/0xa0 [ 238.730366][ C0] syscall_exit_to_user_mode+0x26/0x160 [ 238.730384][ C0] do_syscall_64+0x47/0xb0 [ 238.730398][ C0] ? clear_bhb_loop+0x35/0x90 [ 238.730413][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 238.730430][ C0] RIP: 0033:0x7fa0c0941417 [ 238.730444][ 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 [ 238.730457][ C0] RSP: 002b:00007fa0c0902238 EFLAGS: 00000246 [ 238.730470][ C0] RAX: 00000000000000ca RBX: 00007fa0c09cb308 RCX: 00007fa0c0941419 [ 238.730482][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa0c09cb308 [ 238.730492][ C0] RBP: 00007fa0c09cb300 R08: 00007fa0c09026c0 R09: 00007fa0c09026c0 [ 238.730504][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa0c09cb30c [ 238.730515][ C0] R13: 0000000000000000 R14: 00007ffdc2231a50 R15: 00007ffdc2231b38 [ 238.730529][ C0] [ 239.119409][ C1] sched: RT throttling activated [ 428.756809][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 289s! [ 428.765552][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 289s! [ 428.774378][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 289s! [ 428.782736][ C0] Showing busy workqueues and worker pools: [ 428.788469][ C0] workqueue events: flags=0x0 [ 428.792964][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 428.793008][ C0] pending: vmstat_shepherd, psi_avgs_work [ 428.793064][ C0] workqueue events_unbound: flags=0x2 [ 428.811547][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 428.811586][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 428.811632][ C0] workqueue events_power_efficient: flags=0x80 [ 428.831938][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 428.831982][ C0] pending: neigh_periodic_work, check_lifetime, neigh_periodic_work [ 428.832035][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.832073][ C0] pending: gc_worker [ 428.832095][ C0] workqueue mm_percpu_wq: flags=0x8 [ 428.864261][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.864305][ C0] pending: vmstat_update [ 428.864330][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.864367][ C0] pending: vmstat_update [ 428.864391][ C0] workqueue writeback: flags=0x4a [ 428.893102][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 428.893142][ C0] pending: wb_workfn [ 428.893273][ C0] workqueue dm_bufio_cache: flags=0x8 [ 428.909573][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.909620][ C0] pending: work_fn [ 428.909707][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 428.926513][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 428.926557][ C0] pending: addrconf_verify_work