Warning: Permanently added '10.128.1.106' (ED25519) to the list of known hosts. executing program executing program executing program [ 273.433615][ T28] audit: type=1400 audit(1745970726.809:80): avc: denied { execmem } for pid=274 comm="syz-executor359" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 373.450572][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 373.457552][ C1] (detected by 1, t=10002 jiffies, g=273, q=201 ncpus=2) [ 373.464664][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294974576-4294964574), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 373.478025][ C1] rcu: rcu_preempt kthread starved for 10002 jiffies! g273 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 373.489059][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 373.499022][ C1] rcu: RCU grace-period kthread stack dump: [ 373.504907][ C1] task:rcu_preempt state:R running task stack:28352 pid:14 ppid:2 flags:0x00004000 [ 373.515697][ C1] Call Trace: [ 373.518981][ C1] [ 373.521915][ C1] __schedule+0xb87/0x14e0 [ 373.526361][ C1] ? release_firmware_map_entry+0x194/0x194 [ 373.532260][ C1] ? __mod_timer+0x7ae/0xb30 [ 373.536852][ C1] schedule+0xbd/0x170 [ 373.540924][ C1] schedule_timeout+0x12c/0x2e0 [ 373.545777][ C1] ? __cfi_schedule_timeout+0x10/0x10 [ 373.551153][ C1] ? __cfi_process_timeout+0x10/0x10 [ 373.556443][ C1] ? prepare_to_swait_event+0x308/0x320 [ 373.562003][ C1] rcu_gp_fqs_loop+0x2d8/0x10a0 [ 373.566864][ C1] ? rcu_gp_init+0xf10/0xf10 [ 373.571462][ C1] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 373.577364][ C1] ? finish_swait+0x17d/0x1b0 [ 373.582046][ C1] rcu_gp_kthread+0x95/0x370 [ 373.586924][ C1] ? __cfi_rcu_gp_kthread+0x10/0x10 [ 373.592132][ C1] ? __kasan_check_read+0x11/0x20 [ 373.597165][ C1] ? __kthread_parkme+0x142/0x180 [ 373.602197][ C1] kthread+0x281/0x320 [ 373.606270][ C1] ? __cfi_rcu_gp_kthread+0x10/0x10 [ 373.611474][ C1] ? __cfi_kthread+0x10/0x10 [ 373.616072][ C1] ret_from_fork+0x1f/0x30 [ 373.620498][ C1] [ 373.623515][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 373.629831][ C1] Sending NMI from CPU 1 to CPUs 0: [ 373.635039][ C0] NMI backtrace for cpu 0 [ 373.635048][ C0] CPU: 0 PID: 288 Comm: syz-executor359 Not tainted 6.1.134-syzkaller-00032-g242f90b45e89 #0 [ 373.635063][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 373.635071][ C0] RIP: 0033:0x7f2933e85b70 [ 373.635084][ C0] Code: 83 c0 16 83 e0 f7 74 12 50 48 8d 3d ba 2a 03 00 e8 45 12 fb ff 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <83> ff 21 74 0b c3 66 2e 0f 1f 84 00 00 00 00 00 55 53 48 89 f3 48 [ 373.635096][ C0] RSP: 002b:00007f2933e1fbb8 EFLAGS: 00000246 [ 373.635109][ C0] RAX: 0000000000000000 RBX: 00007f2933eea308 RCX: 00007f2933e5fed9 [ 373.635120][ C0] RDX: 00007f2933e1fbc0 RSI: 00007f2933e1fcf0 RDI: 0000000000000021 [ 373.635129][ C0] RBP: 00007f2933eea300 R08: 00007f2933e206c0 R09: 00007f2933e206c0 [ 373.635139][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2933eea30c [ 373.635148][ C0] R13: 0000000000000000 R14: 00007ffdc001f5d0 R15: 00007ffdc001f6b8 [ 373.635157][ C0] FS: 00007f2933e206c0 GS: 0000000000000000 [ 428.650567][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 154s! [ 428.659497][ C0] Showing busy workqueues and worker pools: [ 428.665395][ C0] workqueue events: flags=0x0 [ 428.670070][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.670107][ C0] pending: psi_avgs_work [ 428.670131][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.670162][ C0] pending: vmstat_shepherd [ 428.670184][ C0] workqueue events_unbound: flags=0x2 [ 428.700184][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 428.700224][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 428.700263][ C0] workqueue events_power_efficient: flags=0x80 [ 428.721208][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=5/256 refcnt=6 [ 428.721245][ C0] pending: neigh_managed_work, neigh_managed_work, neigh_periodic_work, neigh_periodic_work, gc_worker [ 428.721314][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.721345][ C0] pending: check_lifetime [ 428.721369][ C0] workqueue mm_percpu_wq: flags=0x8 [ 428.757853][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.757903][ C0] pending: vmstat_update [ 428.757929][ C0] workqueue writeback: flags=0x4a [ 428.775179][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 428.775214][ C0] pending: wb_workfn [ 428.775434][ C0] workqueue dm_bufio_cache: flags=0x8 [ 428.792235][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.792269][ C0] pending: work_fn [ 428.792345][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 428.809650][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 428.809683][ C0] pending: addrconf_verify_work