Warning: Permanently added '10.128.1.228' (ED25519) to the list of known hosts. executing program [ 146.023571][ T24] audit: type=1400 audit(1730957231.610:66): avc: denied { execmem } for pid=406 comm="syz-executor133" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 246.031228][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 246.038033][ C0] (detected by 0, t=10002 jiffies, g=1341, q=78) [ 246.044428][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294961823-4294951821), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 246.057627][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g1341 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 246.068907][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 246.078727][ C0] rcu: RCU grace-period kthread stack dump: [ 246.084447][ C0] task:rcu_preempt state:R running task stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 246.095381][ C0] Call Trace: [ 246.098533][ C0] __schedule+0xbe6/0x1330 [ 246.103029][ C0] ? release_firmware_map_entry+0x18d/0x18d [ 246.109451][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 246.114744][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 246.119438][ C0] schedule+0x13d/0x1d0 [ 246.123427][ C0] schedule_timeout+0x18c/0x360 [ 246.128188][ C0] ? prepare_to_swait_event+0x39f/0x3e0 [ 246.133581][ C0] ? console_conditional_schedule+0x10/0x10 [ 246.139450][ C0] ? run_local_timers+0x160/0x160 [ 246.144289][ C0] ? __note_gp_changes+0x2d8/0x6f0 [ 246.149332][ C0] rcu_gp_kthread+0xefc/0x23a0 [ 246.153950][ C0] ? dump_blkd_tasks+0x7e0/0x7e0 [ 246.158772][ C0] ? rcu_barrier_callback+0x50/0x50 [ 246.163844][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 246.168511][ C0] ? __kasan_check_read+0x11/0x20 [ 246.173371][ C0] ? __kthread_parkme+0xb9/0x1c0 [ 246.178143][ C0] kthread+0x34b/0x3d0 [ 246.182051][ C0] ? rcu_barrier_callback+0x50/0x50 [ 246.187088][ C0] ? kthread_blkcg+0xd0/0xd0 [ 246.191508][ C0] ret_from_fork+0x1f/0x30 [ 428.761156][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 281s! [ 428.769870][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 281s! [ 428.778565][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 224s! [ 428.786811][ C0] Showing busy workqueues and worker pools: [ 428.792900][ C0] workqueue events: flags=0x0 [ 428.797466][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.805013][ C0] pending: psi_avgs_work [ 428.809455][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.816903][ C0] pending: vmstat_shepherd [ 428.821517][ C0] workqueue events_unbound: flags=0x2 [ 428.826825][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/512 refcnt=3 [ 428.834492][ C0] in-flight: 111:toggle_allocation_gate [ 428.840230][ C0] workqueue events_power_efficient: flags=0x80 [ 428.846384][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 428.853922][ C0] pending: neigh_periodic_work, gc_worker, check_lifetime [ 428.861230][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.869077][ C0] pending: neigh_periodic_work [ 428.874043][ C0] workqueue mm_percpu_wq: flags=0x8 [ 428.879147][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.886624][ C0] pending: vmstat_update [ 428.891217][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.898855][ C0] pending: vmstat_update [ 428.903722][ C0] workqueue writeback: flags=0x4a [ 428.908665][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 428.915706][ C0] pending: wb_workfn [ 428.919882][ C0] workqueue dm_bufio_cache: flags=0x8 [ 428.925605][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.933153][ C0] pending: work_fn [ 428.937259][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 428.942710][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 428.950203][ C0] pending: addrconf_verify_work [ 428.955257][ C0] pool 4: cpus=0-1 flags=0x4 nice=0 hung=224s workers=3 idle: 9 7