Warning: Permanently added '10.128.0.18' (ED25519) to the list of known hosts. executing program [ 434.718910][ T24] audit: type=1400 audit(1714010527.100:66): avc: denied { execmem } for pid=694 comm="syz-executor382" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 534.736307][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 534.743101][ C1] (detected by 1, t=10002 jiffies, g=3537, q=60) [ 534.749336][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294990694-4294980692), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 534.762528][ C1] rcu: rcu_preempt kthread starved for 10002 jiffies! g3537 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 534.773543][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 534.783346][ C1] rcu: RCU grace-period kthread stack dump: [ 534.789090][ C1] task:rcu_preempt state:R running task stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 534.799759][ C1] Call Trace: [ 534.802905][ C1] __schedule+0xbe6/0x1330 [ 534.807142][ C1] ? release_firmware_map_entry+0x192/0x192 [ 534.812864][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 534.818157][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 534.822845][ C1] schedule+0x13d/0x1d0 [ 534.826837][ C1] schedule_timeout+0x18c/0x360 [ 534.831527][ C1] ? prepare_to_swait_event+0x39f/0x3e0 [ 534.836908][ C1] ? console_conditional_schedule+0x10/0x10 [ 534.842720][ C1] ? run_local_timers+0x160/0x160 [ 534.847581][ C1] ? __note_gp_changes+0x2d8/0x6f0 [ 534.852529][ C1] rcu_gp_kthread+0xefc/0x23a0 [ 534.857133][ C1] ? dump_blkd_tasks+0x7e0/0x7e0 [ 534.861901][ C1] ? rcu_barrier_callback+0x50/0x50 [ 534.866936][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 534.871623][ C1] ? __kasan_check_read+0x11/0x20 [ 534.876482][ C1] ? __kthread_parkme+0xb9/0x1c0 [ 534.881258][ C1] kthread+0x34b/0x3d0 [ 534.885164][ C1] ? rcu_barrier_callback+0x50/0x50 [ 534.890199][ C1] ? kthread_blkcg+0xd0/0xd0 [ 534.894623][ C1] ret_from_fork+0x1f/0x30 [ 715.486301][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 280s! [ 715.495017][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 273s! [ 715.503883][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 204s! [ 715.512561][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 280s! [ 715.520815][ C0] Showing busy workqueues and worker pools: [ 715.526533][ C0] workqueue events: flags=0x0 [ 715.531033][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 715.538497][ C0] pending: vmstat_shepherd, psi_avgs_work [ 715.544416][ C0] workqueue events_unbound: flags=0x2 [ 715.549625][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/512 refcnt=3 [ 715.556643][ C0] pending: toggle_allocation_gate [ 715.561857][ C0] workqueue events_power_efficient: flags=0x80 [ 715.567844][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.575296][ C0] pending: check_lifetime [ 715.579820][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 715.587275][ C0] pending: neigh_periodic_work, neigh_periodic_work, gc_worker [ 715.595014][ C0] workqueue mm_percpu_wq: flags=0x8 [ 715.600045][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.607494][ C0] pending: vmstat_update [ 715.611940][ C0] workqueue writeback: flags=0x4a [ 715.616795][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 715.623813][ C0] pending: wb_workfn [ 715.627906][ C0] workqueue kblockd: flags=0x18 [ 715.632583][ C0] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 715.640219][ C0] pending: blk_mq_timeout_work [ 715.645251][ C0] workqueue dm_bufio_cache: flags=0x8 [ 715.650470][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.657928][ C0] pending: work_fn [ 715.661886][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 715.667308][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 715.674590][ C0] pending: addrconf_verify_work