Warning: Permanently added '10.128.1.137' (ED25519) to the list of known hosts. executing program executing program executing program [ 254.253049][ T28] audit: type=1400 audit(1731301726.282:66): avc: denied { execmem } for pid=520 comm="syz-executor372" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 354.286106][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 354.292907][ C1] (detected by 1, t=10002 jiffies, g=2409, q=167 ncpus=2) [ 354.299916][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294972650-4294962647), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 354.313130][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g2409 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 354.324046][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 354.333850][ C1] rcu: RCU grace-period kthread stack dump: [ 354.339587][ C1] task:rcu_preempt state:R running task stack:28008 pid:14 ppid:2 flags:0x00004000 [ 354.350870][ C1] Call Trace: [ 354.353987][ C1] [ 354.356768][ C1] __schedule+0xcb5/0x1560 [ 354.361014][ C1] ? update_load_avg+0x513/0x1530 [ 354.365908][ C1] ? __sched_text_start+0x8/0x8 [ 354.370565][ C1] ? __kasan_check_write+0x14/0x20 [ 354.375514][ C1] schedule+0xc3/0x180 [ 354.379415][ C1] schedule_timeout+0x18c/0x380 [ 354.384102][ C1] ? _raw_spin_unlock_irq+0x4d/0x70 [ 354.389144][ C1] ? console_conditional_schedule+0x10/0x10 [ 354.394867][ C1] ? update_process_times+0x1b0/0x1b0 [ 354.400075][ C1] ? prepare_to_swait_event+0x308/0x320 [ 354.405455][ C1] rcu_gp_fqs_loop+0x2ed/0x10a0 [ 354.410150][ C1] ? _raw_spin_unlock_irq+0x4d/0x70 [ 354.415178][ C1] ? rcu_gp_init+0xc7f/0xfa0 [ 354.419604][ C1] ? rcu_gp_init+0xfa0/0xfa0 [ 354.424029][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 354.429673][ C1] ? finish_swait+0x17d/0x1b0 [ 354.434187][ C1] rcu_gp_kthread+0xa3/0x3a0 [ 354.438609][ C1] ? queued_spin_lock_slowpath+0x50/0x50 [ 354.444076][ C1] ? set_cpus_allowed_ptr+0xa4/0xe0 [ 354.449111][ C1] ? __kasan_check_read+0x11/0x20 [ 354.453989][ C1] ? __kthread_parkme+0x12d/0x180 [ 354.458829][ C1] kthread+0x26d/0x300 [ 354.462765][ C1] ? queued_spin_lock_slowpath+0x50/0x50 [ 354.468211][ C1] ? kthread_blkcg+0xd0/0xd0 [ 354.472632][ C1] ret_from_fork+0x1f/0x30 [ 354.476893][ C1] [ 354.479762][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 354.485927][ C1] CPU: 1 PID: 528 Comm: syz-executor372 Not tainted 6.1.112-syzkaller-00005-geef3d33656ce #0 [ 354.495891][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 354.505792][ C1] RIP: 0010:kasan_check_range+0x1/0x2a0 [ 354.511166][ C1] Code: c1 ee 03 48 01 c6 48 89 c7 e8 9b 39 5e 03 31 c0 5d c3 0f 0b eb 02 0f 0b b8 ea ff ff ff 5d c3 cc cc cc cc cc cc cc cc cc cc 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 b0 01 48 85 f6 0f 84 a4 01 00 [ 354.530612][ C1] RSP: 0018:ffffc90001697a80 EFLAGS: 00000202 [ 354.536512][ C1] RAX: ffffc90001697bb0 RBX: 00007fffffffecbc RCX: ffffffff8131794a [ 354.544319][ C1] RDX: 0000000000000001 RSI: 0000000000000030 RDI: ffffc90001697bb0 [ 354.552133][ C1] RBP: ffffc90001697a90 R08: dffffc0000000000 R09: ffffc90001697bb0 [ 354.559940][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90001697bb0 [ 354.567756][ C1] R13: 0000000000000000 R14: 00007f059cc53d80 R15: 1ffff920002d2f60 [ 354.575566][ C1] FS: 00007f059cc546c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 354.584332][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 354.590754][ C1] CR2: 00007f059cc53f80 CR3: 0000000124c61000 CR4: 00000000003506a0 [ 354.598580][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 354.606376][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 354.614186][ C1] Call Trace: [ 354.617312][ C1] [ 354.620005][ C1] ? show_regs+0x58/0x60 [ 354.624084][ C1] ? dump_cpu_task+0x3c/0x70 [ 354.628511][ C1] ? rcu_check_gp_kthread_starvation+0x1d1/0x240 [ 354.634672][ C1] ? _find_next_bit+0x126/0x130 [ 354.639357][ C1] ? print_other_cpu_stall+0x1140/0x1300 [ 354.644832][ C1] ? print_cpu_stall+0x590/0x590 [ 354.649600][ C1] ? acct_account_cputime+0x1c2/0x2c0 [ 354.654900][ C1] ? rcu_sched_clock_irq+0xb19/0x1350 [ 354.660105][ C1] ? rcu_boost_kthread_setaffinity+0x590/0x590 [ 354.666090][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 354.671129][ C1] ? tick_setup_sched_timer+0x490/0x490 [ 354.676515][ C1] ? update_process_times+0x149/0x1b0 [ 354.681716][ C1] ? tick_sched_timer+0x188/0x240 [ 354.686573][ C1] ? tick_setup_sched_timer+0x490/0x490 [ 354.691954][ C1] ? __hrtimer_run_queues+0x41a/0xad0 [ 354.697166][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 354.702107][ C1] ? clockevents_program_event+0x22f/0x300 [ 354.707749][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 354.713652][ C1] ? hrtimer_interrupt+0x40c/0xaa0 [ 354.718601][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 354.724513][ C1] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 354.730142][ C1] [ 354.732918][ C1] [ 354.735694][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 354.741685][ C1] ? fpu__restore_sig+0x18a/0x10f0 [ 354.746634][ C1] ? kasan_check_range+0x1/0x2a0 [ 354.751406][ C1] ? __kasan_check_write+0x14/0x20 [ 354.756357][ C1] fpu__restore_sig+0x18a/0x10f0 [ 354.761130][ C1] ? copy_fpstate_to_sigframe+0xba0/0xba0 [ 354.766688][ C1] ? __kasan_check_write+0x14/0x20 [ 354.771627][ C1] restore_sigcontext+0x633/0x700 [ 354.776487][ C1] ? fpu__clear_user_states+0x171/0x200 [ 354.781868][ C1] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0 [ 354.788123][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 354.793077][ C1] __do_sys_rt_sigreturn+0x153/0x1e0 [ 354.798190][ C1] ? x32_copy_siginfo_to_user+0x270/0x270 [ 354.803742][ C1] ? debug_smp_processor_id+0x17/0x20 [ 354.808963][ C1] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 354.814881][ C1] ? exit_to_user_mode_prepare+0x39/0xa0 [ 354.820319][ C1] x64_sys_call+0x91/0x9a0 [ 354.824573][ C1] do_syscall_64+0x3b/0xb0 [ 354.828820][ C1] ? clear_bhb_loop+0x55/0xb0 [ 354.833339][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 354.839066][ C1] RIP: 0033:0x7f059cc93c57 [ 354.843323][ 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 [ 354.862854][ C1] RSP: 002b:00007f059cc54178 EFLAGS: 00000246 [ 354.868750][ C1] RAX: 00000000000000ca RBX: 00007f059cd1d308 RCX: 00007f059cc93c59 [ 354.876564][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f059cd1d308 [ 354.884369][ C1] RBP: 00007f059cd1d300 R08: 00007f059cc546c0 R09: 00007f059cc546c0 [ 354.892182][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f059cd1d30c [ 354.899991][ C1] R13: 0000000000000000 R14: 00007ffcb68f3f40 R15: 00007ffcb68f4028 [ 354.907812][ C1] [ 428.756086][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 173s! [ 428.764841][ C0] Showing busy workqueues and worker pools: [ 428.770588][ C0] workqueue events: flags=0x0 [ 428.775086][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 428.775132][ C0] pending: vmstat_shepherd, psi_avgs_work [ 428.775203][ C0] workqueue events_unbound: flags=0x2 [ 428.793743][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 428.793790][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 428.793840][ C0] workqueue events_power_efficient: flags=0x80 [ 428.814135][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 428.814189][ C0] pending: neigh_managed_work, check_lifetime, neigh_periodic_work [ 428.814249][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 428.814289][ C0] pending: neigh_managed_work, neigh_periodic_work, gc_worker [ 428.814346][ C0] workqueue mm_percpu_wq: flags=0x8 [ 428.850005][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.850052][ C0] pending: vmstat_update [ 428.850088][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.850127][ C0] pending: vmstat_update [ 428.850168][ C0] workqueue writeback: flags=0x4a [ 428.878807][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 428.878853][ C0] pending: wb_workfn [ 428.879081][ C0] workqueue dm_bufio_cache: flags=0x8 [ 428.895371][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.895419][ C0] pending: work_fn [ 428.895482][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 428.912216][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 428.912270][ C0] pending: addrconf_verify_work