Warning: Permanently added '10.128.0.76' (ED25519) to the list of known hosts. executing program executing program executing program [ 437.414161][ T24] audit: type=1400 audit(1713353721.630:66): avc: denied { execmem } for pid=695 comm="syz-executor175" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 537.448379][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 537.455184][ C0] (detected by 0, t=10002 jiffies, g=3717, q=35) [ 537.461417][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294990962-4294980960), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 537.474608][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g3717 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 537.485537][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 537.495351][ C0] rcu: RCU grace-period kthread stack dump: [ 537.501092][ C0] task:rcu_preempt state:R running task stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 537.511760][ C0] Call Trace: [ 537.514906][ C0] __schedule+0xbe6/0x1330 [ 537.519136][ C0] ? __sched_text_start+0x8/0x8 [ 537.523818][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 537.529121][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 537.534664][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 537.539611][ C0] schedule+0x13d/0x1d0 [ 537.543604][ C0] schedule_timeout+0x18c/0x360 [ 537.548293][ C0] ? prepare_to_swait_event+0x39f/0x3e0 [ 537.553669][ C0] ? console_conditional_schedule+0x10/0x10 [ 537.559400][ C0] ? run_local_timers+0x160/0x160 [ 537.564259][ C0] ? __note_gp_changes+0x2d8/0x6f0 [ 537.569206][ C0] rcu_gp_kthread+0xefc/0x23a0 [ 537.573811][ C0] ? dump_blkd_tasks+0x7e0/0x7e0 [ 537.578586][ C0] ? rcu_barrier_callback+0x50/0x50 [ 537.583614][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 537.588305][ C0] ? __kasan_check_read+0x11/0x20 [ 537.593162][ C0] ? __kthread_parkme+0xb9/0x1c0 [ 537.597934][ C0] kthread+0x34b/0x3d0 [ 537.601841][ C0] ? rcu_barrier_callback+0x50/0x50 [ 537.606874][ C0] ? kthread_blkcg+0xd0/0xd0 [ 537.611306][ C0] ret_from_fork+0x1f/0x30 [ 715.508376][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 277s! [ 715.517102][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 272s! [ 715.525973][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 277s! [ 715.534663][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 277s! [ 715.542991][ C0] Showing busy workqueues and worker pools: [ 715.548706][ C0] workqueue events: flags=0x0 [ 715.553215][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 715.560670][ C0] pending: vmstat_shepherd, psi_avgs_work [ 715.566594][ C0] workqueue events_unbound: flags=0x2 [ 715.571786][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/512 refcnt=3 [ 715.578807][ C0] pending: toggle_allocation_gate [ 715.584031][ C0] workqueue events_power_efficient: flags=0x80 [ 715.590013][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 715.597468][ C0] pending: neigh_periodic_work, gc_worker [ 715.603389][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 715.610835][ C0] pending: neigh_periodic_work, check_lifetime [ 715.617196][ C0] workqueue mm_percpu_wq: flags=0x8 [ 715.622215][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.629667][ C0] pending: vmstat_update [ 715.634115][ C0] workqueue writeback: flags=0x4a [ 715.638969][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 715.645983][ C0] pending: wb_workfn [ 715.650081][ C0] workqueue kblockd: flags=0x18 [ 715.654750][ C0] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 715.662389][ C0] pending: blk_mq_timeout_work [ 715.667435][ C0] workqueue dm_bufio_cache: flags=0x8 [ 715.672562][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.680093][ C0] pending: work_fn [ 715.684056][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 715.689478][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 715.696760][ C0] pending: addrconf_verify_work