Warning: Permanently added '10.128.0.203' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program [ 436.683613][ T28] audit: type=1400 audit(1715971031.368:66): avc: denied { execmem } for pid=704 comm="syz-executor350" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 536.708442][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 536.715231][ C1] (detected by 1, t=10002 jiffies, g=3797, q=176 ncpus=2) [ 536.722246][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294990888-4294980886), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 536.735448][ C1] rcu: rcu_preempt kthread starved for 10002 jiffies! g3797 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 536.746373][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 536.756181][ C1] rcu: RCU grace-period kthread stack dump: [ 536.761918][ C1] task:rcu_preempt state:R running task stack:28040 pid:14 ppid:2 flags:0x00004000 [ 536.772507][ C1] Call Trace: [ 536.775628][ C1] [ 536.778404][ C1] __schedule+0xca7/0x1550 [ 536.782661][ C1] ? __sched_text_start+0x8/0x8 [ 536.787341][ C1] ? __kasan_check_write+0x14/0x20 [ 536.792291][ C1] schedule+0xc3/0x180 [ 536.796193][ C1] schedule_timeout+0x18c/0x380 [ 536.800881][ C1] ? _raw_spin_unlock_irq+0x4d/0x70 [ 536.805917][ C1] ? console_conditional_schedule+0x10/0x10 [ 536.811715][ C1] ? update_process_times+0x1b0/0x1b0 [ 536.816850][ C1] ? prepare_to_swait_event+0x308/0x320 [ 536.822236][ C1] rcu_gp_fqs_loop+0x2ed/0x1060 [ 536.826920][ C1] ? _raw_spin_unlock_irq+0x4d/0x70 [ 536.831951][ C1] ? rcu_gp_init+0xc7f/0xf80 [ 536.836382][ C1] ? rcu_gp_init+0xf80/0xf80 [ 536.840808][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 536.846447][ C1] ? finish_swait+0x17d/0x1b0 [ 536.850962][ C1] rcu_gp_kthread+0xa3/0x390 [ 536.855406][ C1] ? queued_spin_lock_slowpath+0x50/0x50 [ 536.860859][ C1] ? set_cpus_allowed_ptr+0xa4/0xe0 [ 536.865893][ C1] ? __kasan_check_read+0x11/0x20 [ 536.870748][ C1] ? __kthread_parkme+0x12d/0x180 [ 536.875613][ C1] kthread+0x26d/0x300 [ 536.879518][ C1] ? queued_spin_lock_slowpath+0x50/0x50 [ 536.885070][ C1] ? kthread_blkcg+0xd0/0xd0 [ 536.889497][ C1] ret_from_fork+0x1f/0x30 [ 536.893927][ C1] [ 536.896793][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 536.902963][ C1] Sending NMI from CPU 1 to CPUs 0: [ 536.907999][ C0] NMI backtrace for cpu 0 [ 536.908009][ C0] CPU: 0 PID: 716 Comm: syz-executor350 Not tainted 6.1.75-syzkaller-00016-ga9dca663a7f2 #0 [ 536.908026][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 536.908034][ C0] RIP: 0010:hrtimer_interrupt+0x625/0xaa0 [ 536.908057][ C0] Code: ff df 0f b6 04 08 84 c0 0f 85 e3 01 00 00 41 80 64 24 10 fd 4c 89 e7 48 8b 75 b0 e8 f5 ea 98 03 4c 89 f7 31 f6 e8 5b 72 03 00 <89> c3 31 ff 89 c6 e8 50 7b 0e 00 85 db 0f 84 2a 02 00 00 4c 89 e7 [ 536.908069][ C0] RSP: 0018:ffffc90000007ea8 EFLAGS: 00000082 [ 536.908082][ C0] RAX: 0000000000000000 RBX: ffff8881f7029ca0 RCX: ffff88810ea70000 [ 536.908093][ C0] RDX: 0000000080010001 RSI: 0000000000000000 RDI: 0000000000000000 [ 536.908103][ C0] RBP: ffffc90000007fb0 R08: ffffffff8169e48c R09: ffffffff8169e33d [ 536.908114][ C0] R10: 0000000000000002 R11: ffff88810ea70000 R12: ffff8881f7029c80 [ 536.908124][ C0] R13: 0000000000000002 R14: 0000007d01234280 R15: ffff8881f7029d78 [ 536.908134][ C0] FS: 00007f334bd556c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 536.908147][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 536.908158][ C0] CR2: 00007f334bd54f80 CR3: 000000011fceb000 CR4: 00000000003506b0 [ 536.908171][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 536.908180][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 536.908189][ C0] Call Trace: [ 536.908193][ C0] [ 536.908199][ C0] ? show_regs+0x58/0x60 [ 536.908213][ C0] ? nmi_cpu_backtrace+0x285/0x2f0 [ 536.908231][ C0] ? nmi_trigger_cpumask_backtrace+0x3c0/0x3c0 [ 536.908250][ C0] ? hrtimer_interrupt+0x625/0xaa0 [ 536.908268][ C0] ? hrtimer_interrupt+0x625/0xaa0 [ 536.908286][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 536.908303][ C0] ? nmi_handle+0xa7/0x280 [ 536.908317][ C0] ? hrtimer_interrupt+0x625/0xaa0 [ 536.908335][ C0] ? default_do_nmi+0x69/0x160 [ 536.908352][ C0] ? exc_nmi+0xaf/0x120 [ 536.908366][ C0] ? end_repeat_nmi+0x16/0x31 [ 536.908395][ C0] ? clockevents_program_event+0x7d/0x300 [ 536.908409][ C0] ? clockevents_program_event+0x1cc/0x300 [ 536.908423][ C0] ? hrtimer_interrupt+0x625/0xaa0 [ 536.908444][ C0] ? hrtimer_interrupt+0x625/0xaa0 [ 536.908463][ C0] ? hrtimer_interrupt+0x625/0xaa0 [ 536.908482][ C0] [ 536.908486][ C0] [ 536.908495][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 536.908516][ C0] sysvec_apic_timer_interrupt+0x95/0xc0 [ 536.908532][ C0] [ 536.908536][ C0] [ 536.908541][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 536.908555][ C0] RIP: 0010:_raw_spin_unlock_irq+0x48/0x70 [ 536.908575][ C0] Code: 3c 08 00 74 0c 48 c7 c7 e0 ef ed 86 e8 f1 88 bc fc 48 83 3d d9 0b ee 01 00 74 29 48 89 df e8 f3 0e 00 00 90 fb bf 01 00 00 00 c3 73 4f fc 65 8b 05 a4 89 02 7b 85 c0 74 03 5b 5d c3 e8 c4 9b [ 536.908587][ C0] RSP: 0018:ffffc90001ec7b48 EFLAGS: 00000246 [ 536.908599][ C0] RAX: 0000000000000001 RBX: ffff888118ba08c0 RCX: dffffc0000000000 [ 536.908614][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 536.908623][ C0] RBP: ffffc90001ec7b50 R08: ffffffff81486a6f R09: fffff520003d8fc0 [ 536.908633][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888118ba0ce0 [ 536.908644][ C0] R13: 1ffff1102317419c R14: 0000000000000021 R15: dffffc0000000000 [ 536.908655][ C0] ? get_signal+0x12af/0x1820 [ 536.908672][ C0] ? _raw_spin_unlock_irq+0x41/0x70 [ 536.908690][ C0] get_signal+0x14e6/0x1820 [ 536.908707][ C0] ? ptrace_notify+0x350/0x350 [ 536.908721][ C0] ? __kasan_check_write+0x14/0x20 [ 536.908736][ C0] arch_do_signal_or_restart+0xb0/0x16f0 [ 536.908755][ C0] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0 [ 536.908774][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 536.908794][ C0] ? do_sigaltstack+0x3f9/0x630 [ 536.908812][ C0] ? get_sigframe_size+0x10/0x10 [ 536.908829][ C0] ? restore_altstack+0x107/0x150 [ 536.908845][ C0] ? __ia32_sys_sigaltstack+0x260/0x260 [ 536.908864][ C0] ? __do_sys_rt_sigreturn+0x160/0x1e0 [ 536.908884][ C0] exit_to_user_mode_loop+0x74/0xa0 [ 536.908901][ C0] exit_to_user_mode_prepare+0x5a/0xa0 [ 536.908918][ C0] syscall_exit_to_user_mode+0x26/0x140 [ 536.908935][ C0] do_syscall_64+0x49/0xb0 [ 536.908948][ C0] ? sysvec_apic_timer_interrupt+0x55/0xc0 [ 536.908964][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 536.908984][ C0] RIP: 0033:0x7f334bd94c57 [ 536.909005][ 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 [ 536.909016][ C0] RSP: 002b:00007f334bd55178 EFLAGS: 00000246 [ 536.909027][ C0] RAX: 00000000000000ca RBX: 00007f334be1e308 RCX: 00007f334bd94c59 [ 536.909037][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f334be1e308 [ 536.909046][ C0] RBP: 00007f334be1e300 R08: 00007f334bd556c0 R09: 00007f334bd556c0 [ 536.909057][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f334be1e30c [ 536.909066][ C0] R13: 0000000000000000 R14: 00007ffef425ebf0 R15: 00007ffef425ecd8 [ 536.909079][ C0] [ 536.909084][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.086 msecs [ 715.508460][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 277s! [ 715.517192][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 278s! [ 715.526090][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 272s! [ 715.535033][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 278s! [ 715.543279][ C0] Showing busy workqueues and worker pools: [ 715.549087][ C0] workqueue events: flags=0x0 [ 715.553704][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.553745][ C0] pending: psi_avgs_work [ 715.553780][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.553814][ C0] pending: vmstat_shepherd [ 715.553844][ C0] workqueue events_unbound: flags=0x2 [ 715.583078][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 715.583125][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 715.583170][ C0] workqueue events_power_efficient: flags=0x80 [ 715.603537][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=5/256 refcnt=6 [ 715.603580][ C0] pending: neigh_managed_work, neigh_managed_work, neigh_periodic_work, neigh_periodic_work, gc_worker [ 715.603676][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.603710][ C0] pending: check_lifetime [ 715.603733][ C0] workqueue writeback: flags=0x4a [ 715.639573][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 715.639625][ C0] pending: wb_workfn [ 715.639655][ C0] workqueue kblockd: flags=0x18 [ 715.655332][ C0] pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 715.655373][ C0] pending: blk_mq_timeout_work [ 715.655469][ C0] workqueue dm_bufio_cache: flags=0x8 [ 715.673246][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.673290][ C0] pending: work_fn [ 715.673317][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 715.690168][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 715.690210][ C0] pending: addrconf_verify_work