Warning: Permanently added '10.128.1.149' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program [ 134.106161][ T28] audit: type=1400 audit(1727138878.204:66): avc: denied { execmem } for pid=400 comm="syz-executor166" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 234.115662][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 234.122447][ C1] (detected by 1, t=10002 jiffies, g=1145, q=194 ncpus=2) [ 234.129463][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294960632-4294950629), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 234.142669][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g1145 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 234.153592][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 234.163398][ C1] rcu: RCU grace-period kthread stack dump: [ 234.169127][ C1] task:rcu_preempt state:R running task stack:28008 pid:14 ppid:2 flags:0x00004000 [ 234.179725][ C1] Call Trace: [ 234.182842][ C1] [ 234.185622][ C1] __schedule+0xcb5/0x1560 [ 234.189874][ C1] ? release_firmware_map_entry+0x191/0x191 [ 234.195599][ C1] ? __switch_to+0x62c/0x1190 [ 234.200116][ C1] ? __kasan_check_write+0x14/0x20 [ 234.205063][ C1] schedule+0xc3/0x180 [ 234.208968][ C1] schedule_timeout+0x18c/0x380 [ 234.213653][ C1] ? console_conditional_schedule+0x10/0x10 [ 234.219384][ C1] ? update_process_times+0x1b0/0x1b0 [ 234.224591][ C1] ? prepare_to_swait_event+0x308/0x320 [ 234.229973][ C1] rcu_gp_fqs_loop+0x2ed/0x10a0 [ 234.234656][ C1] ? _raw_spin_unlock_irq+0x4d/0x70 [ 234.239691][ C1] ? rcu_gp_init+0xc7f/0xfa0 [ 234.244120][ C1] ? rcu_gp_init+0xfa0/0xfa0 [ 234.248545][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 234.254186][ C1] ? finish_swait+0x17d/0x1b0 [ 234.258700][ C1] rcu_gp_kthread+0xa3/0x3a0 [ 234.263126][ C1] ? queued_spin_lock_slowpath+0x50/0x50 [ 234.268594][ C1] ? set_cpus_allowed_ptr+0xa4/0xe0 [ 234.273629][ C1] ? __kasan_check_read+0x11/0x20 [ 234.278489][ C1] ? __kthread_parkme+0x12d/0x180 [ 234.283360][ C1] kthread+0x26d/0x300 [ 234.287257][ C1] ? queued_spin_lock_slowpath+0x50/0x50 [ 234.292723][ C1] ? kthread_blkcg+0xd0/0xd0 [ 234.297153][ C1] ret_from_fork+0x1f/0x30 [ 234.301404][ C1] [ 234.304270][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 234.310444][ C1] CPU: 1 PID: 411 Comm: syz-executor166 Not tainted 6.1.99-syzkaller-00071-g41e1c6f93780 #0 [ 234.320323][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 234.330217][ C1] RIP: 0033:0x7f6f8a27db47 [ 234.334470][ C1] Code: 0b e9 68 fe ff ff 48 83 c4 18 48 8d 3d b2 08 09 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 a3 d9 fd ff 0f 1f 00 b8 27 00 00 00 0f 05 0f 1f 84 00 00 00 00 00 31 f6 31 ff e9 07 e3 02 00 0f 1f 80 00 [ 234.353918][ C1] RSP: 002b:00007f6f8a23fc48 EFLAGS: 00000206 [ 234.359813][ C1] RAX: 0000000000000198 RBX: 00007f6f8a23fdb0 RCX: 00007f6f8a27db47 [ 234.367626][ C1] RDX: 00007f6f8a23fc80 RSI: 00007f6f8a23fdb0 RDI: 0000000000000021 [ 234.375435][ C1] RBP: 0000000000000000 R08: 00007f6f8a2406c0 R09: 00007f6f8a2406c0 [ 234.383250][ C1] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6f8a30930c [ 234.391061][ C1] R13: 0000000000000000 R14: 00007ffc1b721670 R15: 00007ffc1b721758 [ 234.398871][ C1] FS: 00007f6f8a2406c0 GS: 0000000000000000 [ 285.405659][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 150s! [ 285.414396][ C0] Showing busy workqueues and worker pools: [ 285.420138][ C0] workqueue events: flags=0x0 [ 285.424635][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 285.424678][ C0] pending: vmstat_shepherd, psi_avgs_work [ 285.424730][ C0] workqueue events_unbound: flags=0x2 [ 285.443203][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 285.443236][ C0] pending: flush_memcg_stats_dwork, toggle_allocation_gate [ 285.443342][ C0] workqueue events_power_efficient: flags=0x80 [ 285.463702][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 285.463739][ C0] pending: neigh_managed_work, neigh_periodic_work, gc_worker [ 285.463784][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 285.463817][ C0] pending: neigh_managed_work, check_lifetime, neigh_periodic_work [ 285.463862][ C0] workqueue mm_percpu_wq: flags=0x8 [ 285.499625][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.499670][ C0] pending: vmstat_update [ 285.499705][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.499738][ C0] pending: vmstat_update [ 285.499768][ C0] workqueue writeback: flags=0x4a [ 285.528343][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 285.528381][ C0] pending: wb_workfn [ 285.528582][ C0] workqueue dm_bufio_cache: flags=0x8 [ 285.544859][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.544898][ C0] pending: work_fn [ 285.545000][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 285.561893][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 285.561930][ C0] pending: addrconf_verify_work