Warning: Permanently added '10.128.1.72' (ED25519) to the list of known hosts. executing program executing program executing program executing program [ 719.416254][ T28] audit: type=1400 audit(1716559885.600:68): avc: denied { execmem } for pid=986 comm="syz-executor635" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 819.449267][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 819.456341][ C1] (detected by 1, t=10002 jiffies, g=6353, q=39 ncpus=2) [ 819.463359][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4295019162-4295009160), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 819.476957][ C1] rcu: rcu_preempt kthread starved for 10002 jiffies! g6353 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 819.489115][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 819.499384][ C1] rcu: RCU grace-period kthread stack dump: [ 819.505117][ C1] task:rcu_preempt state:R running task stack:28040 pid:14 ppid:2 flags:0x00004000 [ 819.516147][ C1] Call Trace: [ 819.519267][ C1] [ 819.522053][ C1] __schedule+0xca7/0x1550 [ 819.526373][ C1] ? __sched_text_start+0x8/0x8 [ 819.531152][ C1] schedule+0xc3/0x180 [ 819.535412][ C1] schedule_timeout+0x18c/0x380 [ 819.540264][ C1] ? _raw_spin_unlock_irq+0x4d/0x70 [ 819.545294][ C1] ? console_conditional_schedule+0x10/0x10 [ 819.551109][ C1] ? update_process_times+0x1b0/0x1b0 [ 819.556315][ C1] ? prepare_to_swait_event+0x308/0x320 [ 819.562140][ C1] rcu_gp_fqs_loop+0x2ed/0x1060 [ 819.566872][ C1] ? _raw_spin_unlock_irq+0x4d/0x70 [ 819.572159][ C1] ? rcu_gp_init+0xc7f/0xf80 [ 819.576904][ C1] ? rcu_gp_init+0xf80/0xf80 [ 819.581447][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 819.587261][ C1] ? finish_swait+0x17d/0x1b0 [ 819.591896][ C1] rcu_gp_kthread+0xa3/0x390 [ 819.597173][ C1] ? queued_spin_lock_slowpath+0x50/0x50 [ 819.602714][ C1] ? set_cpus_allowed_ptr+0xa4/0xe0 [ 819.607829][ C1] ? __kasan_check_read+0x11/0x20 [ 819.612782][ C1] ? __kthread_parkme+0x12d/0x180 [ 819.617820][ C1] kthread+0x26d/0x300 [ 819.622207][ C1] ? queued_spin_lock_slowpath+0x50/0x50 [ 819.629049][ C1] ? kthread_blkcg+0xd0/0xd0 [ 819.633824][ C1] ret_from_fork+0x1f/0x30 [ 819.638085][ C1] [ 819.640945][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 819.647286][ C1] Sending NMI from CPU 1 to CPUs 0: [ 819.652755][ C0] NMI backtrace for cpu 0 [ 819.652770][ C0] CPU: 0 PID: 995 Comm: syz-executor635 Not tainted 6.1.75-syzkaller-00023-g0a5aada71cc9 #0 [ 819.652791][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 819.652801][ C0] RIP: 0010:hrtimer_interrupt+0x568/0xaa0 [ 819.652836][ C0] Code: 00 00 31 f6 89 da 48 b9 ff ff ff ff ff ff ff 7f e8 7d f4 ff ff 48 89 c3 48 89 c7 4c 89 f6 e8 7f 7a 0e 00 4c 39 f3 44 89 6d 8c <7e> 49 e8 61 78 0e 00 48 8b 9d 78 ff ff ff 48 89 d8 48 c1 e8 03 48 [ 819.652851][ C0] RSP: 0018:ffffc90000007ea8 EFLAGS: 00000093 [ 819.652868][ C0] RAX: 0000000080010002 RBX: 000000bed659de00 RCX: ffff888110845100 [ 819.652882][ C0] RDX: 0000000080010002 RSI: 7fffffffffffffff RDI: 000000bed659de00 [ 819.652895][ C0] RBP: ffffc90000007fb0 R08: ffffffff8166f811 R09: 0000000000000003 [ 819.652908][ C0] R10: ffffffffffffffff R11: dffffc0000000001 R12: 1ffff1103ee05395 [ 819.652921][ C0] R13: 0000000000000002 R14: 7fffffffffffffff R15: 000000bed5f6763f [ 819.652934][ C0] FS: 00007ff91f09b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 819.652951][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 819.652964][ C0] CR2: 00007ff91f09af80 CR3: 00000001212fc000 CR4: 00000000003506b0 [ 819.652980][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 819.652990][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 819.653002][ C0] Call Trace: [ 819.653008][ C0] [ 819.653014][ C0] ? show_regs+0x58/0x60 [ 819.653033][ C0] ? nmi_cpu_backtrace+0x285/0x2f0 [ 819.653058][ C0] ? nmi_trigger_cpumask_backtrace+0x3c0/0x3c0 [ 819.653083][ C0] ? hrtimer_interrupt+0x568/0xaa0 [ 819.653109][ C0] ? hrtimer_interrupt+0x568/0xaa0 [ 819.653135][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 819.653157][ C0] ? nmi_handle+0xa7/0x280 [ 819.653176][ C0] ? hrtimer_interrupt+0x568/0xaa0 [ 819.653202][ C0] ? default_do_nmi+0x69/0x160 [ 819.653223][ C0] ? exc_nmi+0xaf/0x120 [ 819.653242][ C0] ? end_repeat_nmi+0x16/0x31 [ 819.653262][ C0] ? hrtimer_interrupt+0x561/0xaa0 [ 819.653289][ C0] ? hrtimer_interrupt+0x568/0xaa0 [ 819.653316][ C0] ? hrtimer_interrupt+0x568/0xaa0 [ 819.653342][ C0] ? hrtimer_interrupt+0x568/0xaa0 [ 819.653369][ C0] [ 819.653374][ C0] [ 819.653386][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 819.653415][ C0] sysvec_apic_timer_interrupt+0x95/0xc0 [ 819.653437][ C0] [ 819.653442][ C0] [ 819.653448][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 819.653466][ C0] RIP: 0010:_raw_spin_unlock_irq+0x48/0x70 [ 819.653494][ C0] Code: 3c 08 00 74 0c 48 c7 c7 e0 ef ed 86 e8 a1 8b bc fc 48 83 3d e9 0b ee 01 00 74 29 48 89 df e8 f3 0e 00 00 90 fb bf 01 00 00 00 d3 73 4f fc 65 8b 05 b4 89 02 7b 85 c0 74 03 5b 5d c3 e8 d4 9b [ 819.653508][ C0] RSP: 0018:ffffc900025c7b48 EFLAGS: 00000246 [ 819.653522][ C0] RAX: 0000000000000001 RBX: ffff8881003fc600 RCX: dffffc0000000000 [ 819.653535][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 819.653545][ C0] RBP: ffffc900025c7b50 R08: ffffffff81486a6f R09: fffff520004b8fc0 [ 819.653558][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881003fca20 [ 819.653570][ C0] R13: 1ffff1102007f944 R14: 0000000000000021 R15: dffffc0000000000 [ 819.653585][ C0] ? get_signal+0x12af/0x1820 [ 819.653607][ C0] ? _raw_spin_unlock_irq+0x41/0x70 [ 819.653633][ C0] get_signal+0x14e6/0x1820 [ 819.653656][ C0] ? ptrace_notify+0x350/0x350 [ 819.653674][ C0] ? __kasan_check_write+0x14/0x20 [ 819.653693][ C0] arch_do_signal_or_restart+0xb0/0x16f0 [ 819.653719][ C0] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0 [ 819.653755][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 819.653783][ C0] ? do_sigaltstack+0x3f9/0x630 [ 819.653808][ C0] ? get_sigframe_size+0x10/0x10 [ 819.653832][ C0] ? restore_altstack+0x107/0x150 [ 819.653854][ C0] ? __ia32_sys_sigaltstack+0x260/0x260 [ 819.653877][ C0] ? sched_clock_cpu+0x71/0x2b0 [ 819.653898][ C0] ? __do_sys_rt_sigreturn+0x160/0x1e0 [ 819.653926][ C0] exit_to_user_mode_loop+0x74/0xa0 [ 819.653948][ C0] exit_to_user_mode_prepare+0x5a/0xa0 [ 819.653970][ C0] syscall_exit_to_user_mode+0x26/0x140 [ 819.653993][ C0] do_syscall_64+0x49/0xb0 [ 819.654010][ C0] ? sysvec_apic_timer_interrupt+0x55/0xc0 [ 819.654032][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 819.654060][ C0] RIP: 0033:0x7ff91f0dac57 [ 819.654087][ 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 [ 819.654101][ C0] RSP: 002b:00007ff91f09b178 EFLAGS: 00000246 [ 819.654115][ C0] RAX: 00000000000000ca RBX: 00007ff91f164308 RCX: 00007ff91f0dac59 [ 819.654127][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ff91f164308 [ 819.654138][ C0] RBP: 00007ff91f164300 R08: 00007ff91f09b6c0 R09: 00007ff91f09b6c0 [ 819.654151][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff91f16430c [ 819.654163][ C0] R13: 0000000000000000 R14: 00007ffe8e86db80 R15: 00007ffe8e86dc68 [ 819.654180][ C0] [ 819.654187][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.434 msecs [ 1002.239211][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 282s! [ 1002.249219][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 276s! [ 1002.260022][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 282s! [ 1002.273378][ C0] Showing busy workqueues and worker pools: [ 1002.280374][ C0] workqueue events: flags=0x0 [ 1002.285456][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 1002.285518][ C0] pending: psi_avgs_work [ 1002.285561][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 1002.285603][ C0] pending: vmstat_shepherd [ 1002.285641][ C0] workqueue events_unbound: flags=0x2 [ 1002.316977][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 1002.317036][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 1002.317090][ C0] workqueue events_power_efficient: flags=0x80 [ 1002.339776][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 [ 1002.339834][ C0] pending: neigh_periodic_work, neigh_managed_work, gc_worker, check_lifetime [ 1002.339923][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 1002.339965][ C0] pending: neigh_managed_work, neigh_periodic_work [ 1002.340028][ C0] workqueue mm_percpu_wq: flags=0x8 [ 1002.386085][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 1002.386147][ C0] in-flight: 40:vmstat_update [ 1002.386203][ C0] workqueue writeback: flags=0x4a [ 1002.405373][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 1002.405432][ C0] pending: wb_workfn [ 1002.405469][ C0] workqueue kblockd: flags=0x18 [ 1002.423238][ C0] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 1002.423303][ C0] pending: blk_mq_timeout_work [ 1002.423439][ C0] workqueue dm_bufio_cache: flags=0x8 [ 1002.442224][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 1002.442280][ C0] pending: work_fn [ 1002.442387][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 1002.464002][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 1002.464063][ C0] pending: addrconf_verify_work [ 1002.464217][ C0] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=52s workers=2 idle: 24