Warning: Permanently added '10.128.0.12' (ED25519) to the list of known hosts. executing program [ 141.232677][ T24] audit: type=1400 audit(1749325194.230:64): avc: denied { execmem } for pid=275 comm="syz-executor227" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 241.237977][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 241.245055][ C0] (detected by 0, t=10002 jiffies, g=277, q=66) [ 241.251656][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294961312-4294951309), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 241.265601][ C0] rcu: rcu_preempt kthread starved for 10004 jiffies! g277 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 241.276870][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 241.286953][ C0] rcu: RCU grace-period kthread stack dump: [ 241.292871][ C0] task:rcu_preempt state:R running task stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 241.303727][ C0] Call Trace: [ 241.307224][ C0] __schedule+0xb47/0x1310 [ 241.311834][ C0] ? release_firmware_map_entry+0x190/0x190 [ 241.317849][ C0] ? __mod_timer+0x7ae/0xb30 [ 241.322524][ C0] schedule+0x13c/0x1d0 [ 241.326861][ C0] schedule_timeout+0x12c/0x2d0 [ 241.331714][ C0] ? console_conditional_schedule+0x10/0x10 [ 241.337605][ C0] ? run_local_timers+0x160/0x160 [ 241.342888][ C0] ? prepare_to_swait_event+0x320/0x340 [ 241.348653][ C0] rcu_gp_kthread+0x100a/0x26a0 [ 241.353691][ C0] ? rcu_barrier_callback+0x50/0x50 [ 241.359087][ C0] ? __kasan_check_read+0x11/0x20 [ 241.364521][ C0] ? __kthread_parkme+0xb9/0x1c0 [ 241.369972][ C0] kthread+0x346/0x3d0 [ 241.374583][ C0] ? rcu_barrier_callback+0x50/0x50 [ 241.379988][ C0] ? kthread_blkcg+0xd0/0xd0 [ 241.385139][ C0] ret_from_fork+0x1f/0x30 [ 285.737973][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 143s! [ 285.747278][ C0] Showing busy workqueues and worker pools: [ 285.753321][ C0] workqueue events: flags=0x0 [ 285.758015][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.766859][ C0] pending: psi_avgs_work [ 285.771968][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.780117][ C0] pending: vmstat_shepherd [ 285.785346][ C0] workqueue events_unbound: flags=0x2 [ 285.790966][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/512 refcnt=3 [ 285.798330][ C0] in-flight: 112:toggle_allocation_gate [ 285.804751][ C0] workqueue events_power_efficient: flags=0x80 [ 285.812050][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 285.819879][ C0] pending: check_lifetime, neigh_periodic_work, gc_worker [ 285.827755][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.836630][ C0] pending: neigh_periodic_work [ 285.841896][ C0] workqueue mm_percpu_wq: flags=0x8 [ 285.847181][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.854945][ C0] pending: vmstat_update [ 285.859739][ C0] workqueue writeback: flags=0x4a [ 285.865100][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 285.872745][ C0] pending: wb_workfn [ 285.877320][ C0] workqueue dm_bufio_cache: flags=0x8 [ 285.883052][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.890848][ C0] pending: work_fn [ 285.895270][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 285.901436][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 285.908996][ C0] pending: addrconf_verify_work [ 285.914675][ C0] pool 4: cpus=0-1 flags=0x4 nice=0 hung=131s workers=3 idle: 9 7