Warning: Permanently added '10.128.0.142' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program [ 148.660792][ T28] audit: type=1400 audit(1730718789.765:66): avc: denied { execmem } for pid=414 comm="syz-executor122" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 248.661994][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 248.668828][ C1] (detected by 1, t=10002 jiffies, g=1629, q=211 ncpus=2) [ 248.675850][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10000 (4294962077-4294952077), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 248.689043][ C1] rcu: rcu_preempt kthread starved for 10000 jiffies! g1629 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 248.699979][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 248.709870][ C1] rcu: RCU grace-period kthread stack dump: [ 248.715608][ C1] task:rcu_preempt state:R running task stack:28008 pid:14 ppid:2 flags:0x00004000 [ 248.726297][ C1] Call Trace: [ 248.729398][ C1] [ 248.732189][ C1] __schedule+0xcb5/0x1560 [ 248.736432][ C1] ? update_load_avg+0x513/0x1530 [ 248.741300][ C1] ? __sched_text_start+0x8/0x8 [ 248.745976][ C1] ? del_timer_sync+0x1bc/0x230 [ 248.750667][ C1] schedule+0xc3/0x180 [ 248.754567][ C1] schedule_timeout+0x18c/0x380 [ 248.759257][ C1] ? __kasan_check_write+0x14/0x20 [ 248.764204][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 248.769509][ C1] ? console_conditional_schedule+0x10/0x10 [ 248.775234][ C1] ? update_process_times+0x1b0/0x1b0 [ 248.780453][ C1] ? prepare_to_swait_event+0x308/0x320 [ 248.785830][ C1] rcu_gp_fqs_loop+0x2ed/0x10a0 [ 248.790505][ C1] ? dump_blkd_tasks+0x7f0/0x7f0 [ 248.795277][ C1] ? rcu_gp_init+0xfa0/0xfa0 [ 248.799703][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 248.805436][ C1] ? finish_swait+0x17d/0x1b0 [ 248.809945][ C1] rcu_gp_kthread+0xa3/0x3a0 [ 248.814390][ C1] ? queued_spin_lock_slowpath+0x50/0x50 [ 248.819838][ C1] ? set_cpus_allowed_ptr+0xa4/0xe0 [ 248.824959][ C1] ? __kasan_check_read+0x11/0x20 [ 248.829815][ C1] ? __kthread_parkme+0x12d/0x180 [ 248.834677][ C1] kthread+0x26d/0x300 [ 248.838589][ C1] ? queued_spin_lock_slowpath+0x50/0x50 [ 248.844052][ C1] ? kthread_blkcg+0xd0/0xd0 [ 248.848479][ C1] ret_from_fork+0x1f/0x30 [ 248.852739][ C1] [ 248.855611][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 248.861772][ C1] CPU: 1 PID: 427 Comm: syz-executor122 Not tainted 6.1.112-syzkaller-00109-gfadb08b36671 #0 [ 248.871858][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 248.881760][ C1] RIP: 0010:_raw_spin_unlock_irq+0x48/0x70 [ 248.887389][ C1] Code: 3c 08 00 74 0c 48 c7 c7 20 f5 0d 87 e8 d1 e5 9b fc 48 83 3d 19 cd ec 01 00 74 29 48 89 df e8 f3 0e 00 00 90 fb bf 01 00 00 00 f3 6f 2e fc 65 8b 05 a4 45 e1 7a 85 c0 74 03 5b 5d c3 e8 74 5f [ 248.906918][ C1] RSP: 0018:ffffc90001367b48 EFLAGS: 00000246 [ 248.912819][ C1] RAX: 0000000000000001 RBX: ffff888109c0d780 RCX: dffffc0000000000 [ 248.920717][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 248.928528][ C1] RBP: ffffc90001367b50 R08: ffffffff8148a33f R09: fffff5200026cfc0 [ 248.936344][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888109c0dba0 [ 248.944152][ C1] R13: 1ffff11021381b74 R14: 0000000000000021 R15: dffffc0000000000 [ 248.951962][ C1] FS: 00007fa3a22736c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 248.960731][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 248.967155][ C1] CR2: 00007fa3a2272f80 CR3: 00000001094b7000 CR4: 00000000003506a0 [ 248.974968][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 248.982779][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 248.990589][ C1] Call Trace: [ 248.993714][ C1] [ 248.996405][ C1] ? show_regs+0x58/0x60 [ 249.000491][ C1] ? dump_cpu_task+0x3c/0x70 [ 249.004903][ C1] ? rcu_check_gp_kthread_starvation+0x1d1/0x240 [ 249.011076][ C1] ? _find_next_bit+0x126/0x130 [ 249.017061][ C1] ? print_other_cpu_stall+0x1140/0x1300 [ 249.022531][ C1] ? print_cpu_stall+0x590/0x590 [ 249.027303][ C1] ? acct_account_cputime+0xf7/0x2c0 [ 249.032426][ C1] ? rcu_sched_clock_irq+0xb19/0x1350 [ 249.037628][ C1] ? rcu_boost_kthread_setaffinity+0x590/0x590 [ 249.043618][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 249.048649][ C1] ? update_wall_time+0x25/0x30 [ 249.053359][ C1] ? update_process_times+0x149/0x1b0 [ 249.058548][ C1] ? tick_sched_timer+0x188/0x240 [ 249.063408][ C1] ? tick_setup_sched_timer+0x490/0x490 [ 249.068789][ C1] ? __hrtimer_run_queues+0x41a/0xad0 [ 249.073997][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 249.078942][ C1] ? clockevents_program_event+0x236/0x300 [ 249.084587][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 249.090486][ C1] ? hrtimer_interrupt+0x40c/0xaa0 [ 249.095443][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 249.101338][ C1] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 249.106977][ C1] [ 249.109755][ C1] [ 249.112531][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 249.118524][ C1] ? get_signal+0x12af/0x1820 [ 249.123036][ C1] ? _raw_spin_unlock_irq+0x48/0x70 [ 249.128067][ C1] ? _raw_spin_unlock_irq+0x41/0x70 [ 249.133097][ C1] get_signal+0x14e6/0x1820 [ 249.137443][ C1] ? ptrace_notify+0x350/0x350 [ 249.142040][ C1] ? __kasan_check_write+0x14/0x20 [ 249.146989][ C1] arch_do_signal_or_restart+0xb0/0x16f0 [ 249.152456][ C1] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0 [ 249.158816][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 249.163740][ C1] ? do_sigaltstack+0x3f9/0x630 [ 249.168441][ C1] ? get_sigframe_size+0x10/0x10 [ 249.173195][ C1] ? restore_altstack+0x107/0x150 [ 249.178059][ C1] ? __ia32_sys_sigaltstack+0x260/0x260 [ 249.183441][ C1] ? sched_clock_cpu+0x71/0x2b0 [ 249.188342][ C1] ? __do_sys_rt_sigreturn+0x160/0x1e0 [ 249.193726][ C1] exit_to_user_mode_loop+0x74/0xa0 [ 249.198760][ C1] exit_to_user_mode_prepare+0x5a/0xa0 [ 249.204051][ C1] syscall_exit_to_user_mode+0x26/0x130 [ 249.209432][ C1] do_syscall_64+0x47/0xb0 [ 249.213684][ C1] ? clear_bhb_loop+0x55/0xb0 [ 249.218197][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 249.223925][ C1] RIP: 0033:0x7fa3a22b2e97 [ 249.228187][ 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 [ 249.247968][ C1] RSP: 002b:00007fa3a2273178 EFLAGS: 00000246 [ 249.253878][ C1] RAX: 00000000000000ca RBX: 00007fa3a233d308 RCX: 00007fa3a22b2e99 [ 249.261682][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa3a233d308 [ 249.269494][ C1] RBP: 00007fa3a233d300 R08: 00007fa3a22736c0 R09: 00007fa3a22736c0 [ 249.277305][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa3a233d30c [ 249.285115][ C1] R13: 0000000000000000 R14: 00007fff774feb20 R15: 00007fff774fec08 [ 249.292934][ C1] [ 249.295799][ C1] sched: RT throttling activated [ 428.861906][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 279s! [ 428.870675][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 240s! [ 428.879368][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 280s! [ 428.887614][ C0] Showing busy workqueues and worker pools: [ 428.893350][ C0] workqueue events: flags=0x0 [ 428.897840][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 428.897900][ C0] pending: vmstat_shepherd, psi_avgs_work [ 428.897964][ C0] workqueue events_unbound: flags=0x2 [ 428.916522][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 428.916567][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 428.916694][ C0] workqueue events_power_efficient: flags=0x80 [ 428.937077][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.937126][ C0] pending: gc_worker [ 428.937157][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=5/256 refcnt=6 [ 428.937197][ C0] pending: neigh_managed_work, neigh_managed_work, neigh_periodic_work, neigh_periodic_work, check_lifetime [ 428.937290][ C0] workqueue mm_percpu_wq: flags=0x8 [ 428.972948][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.972999][ C0] pending: vmstat_update [ 428.973040][ C0] workqueue writeback: flags=0x4a [ 428.989896][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 428.989939][ C0] pending: wb_workfn [ 428.990259][ C0] workqueue dm_bufio_cache: flags=0x8 [ 429.006569][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.006618][ C0] pending: work_fn [ 429.006693][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 429.023520][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 429.023570][ C0] pending: addrconf_verify_work