Warning: Permanently added '10.128.0.172' (ED25519) to the list of known hosts. executing program executing program executing program executing program [ 162.465299][ T30] audit: type=1400 audit(1706055641.787:66): avc: denied { execmem } for pid=428 comm="syz-executor115" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 262.505209][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 262.511986][ C0] (detected by 0, t=10002 jiffies, g=1449, q=192) [ 262.518324][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294963471-4294953469), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 262.531688][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g1449 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 262.542620][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 262.552427][ C0] rcu: RCU grace-period kthread stack dump: [ 262.558157][ C0] task:rcu_preempt state:R running task stack:28328 pid: 14 ppid: 2 flags:0x00004000 [ 262.568746][ C0] Call Trace: [ 262.571869][ C0] [ 262.574648][ C0] __schedule+0xcbe/0x1580 [ 262.578997][ C0] ? __sched_text_start+0x8/0x8 [ 262.583686][ C0] ? __kasan_check_write+0x14/0x20 [ 262.588635][ C0] schedule+0x11f/0x1e0 [ 262.592623][ C0] schedule_timeout+0x18c/0x370 [ 262.597310][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 262.602342][ C0] ? console_conditional_schedule+0x30/0x30 [ 262.608072][ C0] ? update_process_times+0x200/0x200 [ 262.613277][ C0] ? prepare_to_swait_event+0x308/0x320 [ 262.618661][ C0] rcu_gp_fqs_loop+0x2af/0xf80 [ 262.623262][ C0] ? debug_smp_processor_id+0x17/0x20 [ 262.628468][ C0] ? __note_gp_changes+0x4ab/0x920 [ 262.633418][ C0] ? rcu_gp_init+0xc30/0xc30 [ 262.637841][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 262.642874][ C0] ? rcu_gp_init+0x9cf/0xc30 [ 262.647301][ C0] rcu_gp_kthread+0xa4/0x350 [ 262.651728][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 262.656416][ C0] ? rcu_barrier_callback+0x50/0x50 [ 262.661449][ C0] ? __kasan_check_read+0x11/0x20 [ 262.666309][ C0] ? __kthread_parkme+0xb2/0x200 [ 262.671082][ C0] kthread+0x421/0x510 [ 262.674990][ C0] ? rcu_barrier_callback+0x50/0x50 [ 262.680021][ C0] ? kthread_blkcg+0xd0/0xd0 [ 262.684447][ C0] ret_from_fork+0x1f/0x30 [ 262.688706][ C0] [ 262.691565][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 262.697727][ C0] Sending NMI from CPU 0 to CPUs 1: [ 262.702771][ C1] NMI backtrace for cpu 1 [ 262.702780][ C1] CPU: 1 PID: 442 Comm: syz-executor115 Not tainted 5.15.147-syzkaller-00327-g1c3a1f32bcbd #0 [ 262.702796][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 262.702804][ C1] RIP: 0010:read_tsc+0x7/0x20 [ 262.702874][ C1] Code: 24 80 00 00 00 48 be 00 00 00 00 00 fc ff df e9 53 fd ff ff e8 2a 6d 94 03 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 0f 01 f9 <66> 90 48 c1 e2 20 48 09 d0 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f [ 262.702886][ C1] RSP: 0018:ffffc90000a579a0 EFLAGS: 00000046 [ 262.702899][ C1] RAX: 00000000af0854d0 RBX: ffffffff868b14e0 RCX: 0000000000000001 [ 262.702910][ C1] RDX: 0000000000000087 RSI: 0000000000000000 RDI: ffffffff868b14e0 [ 262.702920][ C1] RBP: ffffc90000a579a0 R08: ffffffff8160e632 R09: 0000000000000003 [ 262.702930][ C1] R10: fffff5200014af24 R11: dffffc0000000001 R12: 00000000000061de [ 262.702940][ C1] R13: 0000003ceb44c654 R14: ffff88811e1fcd48 R15: dffffc0000000000 [ 262.702951][ C1] FS: 00007fa3e2c696c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 262.702964][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 262.702975][ C1] CR2: 00007fa3e2c68e40 CR3: 000000011d424000 CR4: 00000000003506a0 [ 262.702987][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 262.702996][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 262.703005][ C1] Call Trace: [ 262.703009][ C1] [ 262.703014][ C1] ? show_regs+0x58/0x60 [ 262.703029][ C1] ? nmi_cpu_backtrace+0x29f/0x300 [ 262.703055][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 262.703071][ C1] ? read_tsc+0x7/0x20 [ 262.703083][ C1] ? read_tsc+0x7/0x20 [ 262.703095][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 262.703141][ C1] ? nmi_handle+0xa8/0x280 [ 262.703155][ C1] ? read_tsc+0x7/0x20 [ 262.703167][ C1] ? default_do_nmi+0x69/0x160 [ 262.703182][ C1] ? exc_nmi+0xaf/0x120 [ 262.703194][ C1] ? end_repeat_nmi+0x16/0x31 [ 262.703211][ C1] ? ktime_get+0x42/0x160 [ 262.703226][ C1] ? read_tsc+0x7/0x20 [ 262.703239][ C1] ? read_tsc+0x7/0x20 [ 262.703251][ C1] ? read_tsc+0x7/0x20 [ 262.703264][ C1] [ 262.703268][ C1] [ 262.703272][ C1] ktime_get+0x9e/0x160 [ 262.703285][ C1] common_hrtimer_rearm+0x61/0x110 [ 262.703320][ C1] posixtimer_rearm+0x1a7/0x3f0 [ 262.703334][ C1] ? __dequeue_signal+0x384/0x600 [ 262.703377][ C1] ? alarmtimer_resume+0x60/0x60 [ 262.703392][ C1] ? __kasan_check_write+0x14/0x20 [ 262.703407][ C1] ? recalc_sigpending+0x1a5/0x230 [ 262.703421][ C1] dequeue_signal+0x1ed/0x520 [ 262.703435][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 262.703449][ C1] ? unhandled_signal+0x150/0x150 [ 262.703464][ C1] get_signal+0x7cf/0x1630 [ 262.703480][ C1] arch_do_signal_or_restart+0xbd/0x1680 [ 262.703493][ C1] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0 [ 262.703507][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 262.703522][ C1] ? __kasan_check_write+0x14/0x20 [ 262.703536][ C1] ? _copy_from_user+0x96/0xd0 [ 262.703586][ C1] ? restore_altstack+0x274/0x400 [ 262.703601][ C1] ? get_sigframe_size+0x10/0x10 [ 262.703614][ C1] ? __ia32_sys_sigaltstack+0x70/0x70 [ 262.703630][ C1] ? __do_sys_rt_sigreturn+0x160/0x1e0 [ 262.703645][ C1] exit_to_user_mode_loop+0xa0/0xe0 [ 262.703659][ C1] exit_to_user_mode_prepare+0x5a/0xa0 [ 262.703673][ C1] syscall_exit_to_user_mode+0x26/0x160 [ 262.703688][ C1] do_syscall_64+0x49/0xb0 [ 262.703699][ C1] ? sysvec_apic_timer_interrupt+0x55/0xc0 [ 262.703713][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 262.703729][ C1] RIP: 0033:0x7fa3e2ca8417 [ 262.703742][ 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 [ 262.703753][ C1] RSP: 002b:00007fa3e2c69238 EFLAGS: 00000246 [ 262.703765][ C1] RAX: 00000000000000ca RBX: 00007fa3e2d32308 RCX: 00007fa3e2ca8419 [ 262.703774][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa3e2d32308 [ 262.703783][ C1] RBP: 00007fa3e2d32300 R08: 00007fa3e2c696c0 R09: 00007fa3e2c696c0 [ 262.703793][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa3e2d3230c [ 262.703803][ C1] R13: 0000000000000000 R14: 00007ffd20c4ec60 R15: 00007ffd20c4ed48 [ 262.703814][ C1] [ 262.703820][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.049 msecs [ 263.123416][ C0] sched: RT throttling activated [ 263.128195][ C0] hrtimer: interrupt took 622990566 ns executing program executing program executing program executing program executing program executing program [ 363.245161][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 363.251940][ C0] (detected by 0, t=10002 jiffies, g=1465, q=43) [ 363.258183][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294973545-4294963543), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 363.271395][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g1465 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 363.282312][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 363.292119][ C0] rcu: RCU grace-period kthread stack dump: [ 363.297848][ C0] task:rcu_preempt state:R running task stack:28328 pid: 14 ppid: 2 flags:0x00004000 [ 363.308439][ C0] Call Trace: [ 363.311561][ C0] [ 363.314342][ C0] __schedule+0xcbe/0x1580 [ 363.318596][ C0] ? __sched_text_start+0x8/0x8 [ 363.323280][ C0] ? __kasan_check_write+0x14/0x20 [ 363.328225][ C0] ? __kasan_check_write+0x14/0x20 [ 363.333171][ C0] schedule+0x11f/0x1e0 [ 363.337168][ C0] schedule_timeout+0x18c/0x370 [ 363.341853][ C0] ? __update_idle_core+0x2a0/0x2a0 [ 363.346883][ C0] ? console_conditional_schedule+0x30/0x30 [ 363.352612][ C0] ? update_process_times+0x200/0x200 [ 363.357819][ C0] ? prepare_to_swait_event+0x308/0x320 [ 363.363202][ C0] rcu_gp_fqs_loop+0x2af/0xf80 [ 363.367812][ C0] ? debug_smp_processor_id+0x17/0x20 [ 363.373008][ C0] ? __note_gp_changes+0x4ab/0x920 [ 363.377957][ C0] ? rcu_gp_init+0xc30/0xc30 [ 363.382382][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 363.387415][ C0] ? rcu_gp_init+0x9cf/0xc30 [ 363.391844][ C0] rcu_gp_kthread+0xa4/0x350 [ 363.396268][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 363.401132][ C0] ? rcu_barrier_callback+0x50/0x50 [ 363.406162][ C0] ? __kasan_check_read+0x11/0x20 [ 363.411025][ C0] ? __kthread_parkme+0xb2/0x200 [ 363.415797][ C0] kthread+0x421/0x510 [ 363.419700][ C0] ? rcu_barrier_callback+0x50/0x50 [ 363.424738][ C0] ? kthread_blkcg+0xd0/0xd0 [ 363.429162][ C0] ret_from_fork+0x1f/0x30 [ 363.433423][ C0] [ 363.436282][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 363.442442][ C0] NMI backtrace for cpu 0 [ 363.446613][ C0] CPU: 0 PID: 453 Comm: syz-executor115 Not tainted 5.15.147-syzkaller-00327-g1c3a1f32bcbd #0 [ 363.456677][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 363.466575][ C0] Call Trace: [ 363.469695][ C0] [ 363.472388][ C0] dump_stack_lvl+0x151/0x1b7 [ 363.476897][ C0] ? io_uring_drop_tctx_refs+0x190/0x190 [ 363.482369][ C0] dump_stack+0x15/0x17 [ 363.486365][ C0] nmi_cpu_backtrace+0x2f7/0x300 [ 363.491131][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 363.497121][ C0] ? panic+0x751/0x751 [ 363.501029][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 363.506926][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 363.512741][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 363.518644][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 363.524376][ C0] rcu_check_gp_kthread_starvation+0x1e3/0x250 [ 363.530360][ C0] print_other_cpu_stall+0x112d/0x1340 [ 363.535658][ C0] ? print_cpu_stall+0x5f0/0x5f0 [ 363.540432][ C0] rcu_sched_clock_irq+0xaec/0x12f0 [ 363.545461][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 363.551452][ C0] ? hrtimer_run_queues+0x15f/0x440 [ 363.556485][ C0] update_process_times+0x198/0x200 [ 363.561519][ C0] tick_sched_timer+0x188/0x240 [ 363.566207][ C0] ? tick_setup_sched_timer+0x480/0x480 [ 363.571587][ C0] __hrtimer_run_queues+0x41a/0xad0 [ 363.576624][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 363.581567][ C0] ? clockevents_program_event+0x22f/0x300 [ 363.587212][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 363.593110][ C0] hrtimer_interrupt+0x40c/0xaa0 [ 363.597889][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 363.603613][ C0] sysvec_apic_timer_interrupt+0x95/0xc0 [ 363.609081][ C0] [ 363.611858][ C0] [ 363.614637][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 363.620452][ C0] RIP: 0010:_raw_spin_unlock_irq+0x49/0x70 [ 363.626095][ C0] Code: 08 00 74 0c 48 c7 c7 d8 54 8d 86 e8 71 ae e9 fc 48 83 3d a1 fb c4 01 00 74 2a 48 89 df e8 93 79 8c fc 66 90 fb bf 01 00 00 00 e2 be 83 fc 65 8b 05 33 14 3a 7b 85 c0 74 03 5b 5d c3 e8 03 28 [ 363.645533][ C0] RSP: 0018:ffffc90000af7bb8 EFLAGS: 00000246 [ 363.651435][ C0] RAX: 0000000000000001 RBX: ffff88810cc971c0 RCX: dffffc0000000000 [ 363.659250][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 363.667059][ C0] RBP: ffffc90000af7bc0 R08: ffffffff81456cca R09: fffff5200015efc0 [ 363.674867][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810cc971c0 [ 363.682678][ C0] R13: ffff88810cc975e0 R14: 0000000000000021 R15: dffffc0000000000 [ 363.690493][ C0] ? get_signal+0x151a/0x1630 [ 363.695008][ C0] ? _raw_spin_unlock_irq+0x41/0x70 [ 363.700041][ C0] get_signal+0x1562/0x1630 [ 363.704381][ C0] arch_do_signal_or_restart+0xbd/0x1680 [ 363.709847][ C0] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0 [ 363.716093][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 363.721045][ C0] ? __kasan_check_write+0x14/0x20 [ 363.725989][ C0] ? _copy_from_user+0x96/0xd0 [ 363.730589][ C0] ? restore_altstack+0x274/0x400 [ 363.735448][ C0] ? get_sigframe_size+0x10/0x10 [ 363.740226][ C0] ? __ia32_sys_sigaltstack+0x70/0x70 [ 363.745436][ C0] ? __do_sys_rt_sigreturn+0x160/0x1e0 [ 363.750724][ C0] exit_to_user_mode_loop+0xa0/0xe0 [ 363.755758][ C0] exit_to_user_mode_prepare+0x5a/0xa0 [ 363.761054][ C0] syscall_exit_to_user_mode+0x26/0x160 [ 363.766433][ C0] do_syscall_64+0x49/0xb0 [ 363.770687][ C0] ? sysvec_apic_timer_interrupt+0x55/0xc0 [ 363.776332][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 363.782056][ C0] RIP: 0033:0x7fa3e2ca8417 [ 363.786311][ 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 [ 363.805749][ C0] RSP: 002b:00007fa3e2c69238 EFLAGS: 00000246 [ 363.811650][ C0] RAX: 00000000000000ca RBX: 00007fa3e2d32308 RCX: 00007fa3e2ca8419 [ 363.819462][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa3e2d32308 [ 363.827273][ C0] RBP: 00007fa3e2d32300 R08: 00007fa3e2c696c0 R09: 00007fa3e2c696c0 [ 363.835088][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa3e2d3230c [ 363.842895][ C0] R13: 0000000000000000 R14: 00007ffd20c4ec60 R15: 00007ffd20c4ed48 [ 363.850801][ C0] [ 428.755143][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 163s! [ 428.763866][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 158s! [ 428.772736][ C0] Showing busy workqueues and worker pools: [ 428.778459][ C0] workqueue events: flags=0x0 [ 428.782960][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 428.783001][ C0] pending: psi_avgs_work, vmstat_shepherd [ 428.783169][ C0] workqueue events_unbound: flags=0x2 [ 428.801709][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 428.801749][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 428.801840][ C0] workqueue events_power_efficient: flags=0x80 [ 428.822201][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 428.822242][ C0] pending: neigh_periodic_work, neigh_periodic_work, gc_worker [ 428.822418][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.822454][ C0] pending: check_lifetime [ 428.822484][ C0] workqueue mm_percpu_wq: flags=0x8 [ 428.854651][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.854694][ C0] pending: vmstat_update [ 428.854722][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.854757][ C0] pending: vmstat_update [ 428.854779][ C0] workqueue writeback: flags=0x4a [ 428.883295][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 428.883334][ C0] pending: wb_update_bandwidth_workfn, wb_workfn [ 428.883436][ C0] workqueue kblockd: flags=0x18 [ 428.901626][ C0] pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 428.901669][ C0] pending: blk_mq_timeout_work [ 428.901768][ C0] workqueue dm_bufio_cache: flags=0x8 [ 428.919539][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.919583][ C0] pending: work_fn [ 428.919674][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 428.936498][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 428.936545][ C0] pending: addrconf_verify_work