Warning: Permanently added '10.128.0.24' (ED25519) to the list of known hosts. executing program executing program executing program [ 430.365767][ T28] audit: type=1400 audit(1731991846.636:68): avc: denied { execmem } for pid=697 comm="syz-executor277" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 530.398912][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 530.405712][ C0] (detected by 0, t=10002 jiffies, g=3873, q=113 ncpus=2) [ 530.412730][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294990262-4294980259), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 530.425926][ C0] rcu: rcu_preempt kthread starved for 10004 jiffies! g3873 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 530.436865][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 530.446670][ C0] rcu: RCU grace-period kthread stack dump: [ 530.452406][ C0] task:rcu_preempt state:R running task stack:28008 pid:14 ppid:2 flags:0x00004000 [ 530.463001][ C0] Call Trace: [ 530.466112][ C0] [ 530.468891][ C0] __schedule+0xcb5/0x1560 [ 530.473174][ C0] ? __sched_text_start+0x8/0x8 [ 530.477848][ C0] schedule+0xc3/0x180 [ 530.481733][ C0] schedule_timeout+0x18c/0x380 [ 530.486421][ C0] ? _raw_spin_unlock_irq+0x4d/0x70 [ 530.491460][ C0] ? console_conditional_schedule+0x10/0x10 [ 530.497185][ C0] ? update_process_times+0x1b0/0x1b0 [ 530.502391][ C0] ? prepare_to_swait_event+0x308/0x320 [ 530.507775][ C0] rcu_gp_fqs_loop+0x2ed/0x10a0 [ 530.512458][ C0] ? _raw_spin_unlock_irq+0x4d/0x70 [ 530.517493][ C0] ? rcu_gp_init+0xc7f/0xfa0 [ 530.521924][ C0] ? rcu_gp_init+0xfa0/0xfa0 [ 530.526349][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 530.531987][ C0] ? finish_swait+0x17d/0x1b0 [ 530.536501][ C0] rcu_gp_kthread+0xa3/0x3a0 [ 530.540928][ C0] ? queued_spin_lock_slowpath+0x50/0x50 [ 530.546393][ C0] ? set_cpus_allowed_ptr+0xa4/0xe0 [ 530.551431][ C0] ? __kasan_check_read+0x11/0x20 [ 530.556296][ C0] ? __kthread_parkme+0x12d/0x180 [ 530.561149][ C0] kthread+0x26d/0x300 [ 530.565053][ C0] ? queued_spin_lock_slowpath+0x50/0x50 [ 530.570528][ C0] ? kthread_blkcg+0xd0/0xd0 [ 530.574949][ C0] ret_from_fork+0x1f/0x30 [ 530.579219][ C0] [ 530.582072][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 530.588239][ C0] Sending NMI from CPU 0 to CPUs 1: [ 530.593281][ C1] NMI backtrace for cpu 1 [ 530.593298][ C1] CPU: 1 PID: 705 Comm: syz-executor277 Not tainted 6.1.112-syzkaller-00019-g6cf2e7d96862 #0 [ 530.593317][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 530.593330][ C1] RIP: 0010:__set_current_blocked+0x99/0x2f0 [ 530.593358][ C1] Code: e8 ac ce 2c 00 65 4c 8b 2d 54 98 b9 7e 49 8d 9d 60 08 00 00 49 89 dc 49 c1 ec 03 43 80 3c 34 00 74 08 48 89 df e8 37 3a 74 00 <48> 89 5c 24 20 4c 8b 3b 48 8b 5c 24 18 49 89 de 49 c1 ee 03 48 b8 [ 530.593372][ C1] RSP: 0018:ffffc90001b17d60 EFLAGS: 00000246 [ 530.593387][ C1] RAX: ffffffff8148d564 RBX: ffff88811313d960 RCX: ffff88811313d100 [ 530.593400][ C1] RDX: 0000000000000000 RSI: 000000000000000f RDI: ffffc90001b17ea0 [ 530.593411][ C1] RBP: ffffc90001b17e38 R08: 0000000000000000 R09: 0000000000000000 [ 530.593422][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff11022627b2c [ 530.593432][ C1] R13: ffff88811313d100 R14: dffffc0000000000 R15: dffffc0000000000 [ 530.593445][ C1] FS: 00007f154f0936c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 530.593461][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 530.593472][ C1] CR2: 00007f154f092e40 CR3: 0000000123973000 CR4: 00000000003506a0 [ 530.593487][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 530.593496][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 530.593506][ C1] Call Trace: [ 530.593512][ C1] [ 530.593517][ C1] ? show_regs+0x58/0x60 [ 530.593534][ C1] ? nmi_cpu_backtrace+0x285/0x2f0 [ 530.593563][ C1] ? nmi_trigger_cpumask_backtrace+0x3b0/0x3b0 [ 530.593587][ C1] ? __set_current_blocked+0x99/0x2f0 [ 530.593606][ C1] ? __set_current_blocked+0x99/0x2f0 [ 530.593625][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 530.593646][ C1] ? nmi_handle+0xa7/0x280 [ 530.593663][ C1] ? __set_current_blocked+0x99/0x2f0 [ 530.593682][ C1] ? default_do_nmi+0x69/0x160 [ 530.593703][ C1] ? exc_nmi+0xad/0x100 [ 530.593722][ C1] ? end_repeat_nmi+0x16/0x31 [ 530.593762][ C1] ? __set_current_blocked+0x74/0x2f0 [ 530.593783][ C1] ? __set_current_blocked+0x99/0x2f0 [ 530.593802][ C1] ? __set_current_blocked+0x99/0x2f0 [ 530.593823][ C1] ? __set_current_blocked+0x99/0x2f0 [ 530.593843][ C1] [ 530.593847][ C1] [ 530.593853][ C1] ? get_sigframe_size+0x10/0x10 [ 530.593878][ C1] ? set_current_blocked+0x40/0x40 [ 530.593897][ C1] ? sched_clock_cpu+0x71/0x2b0 [ 530.593917][ C1] set_current_blocked+0x3b/0x40 [ 530.593936][ C1] __do_sys_rt_sigreturn+0x144/0x1e0 [ 530.593962][ C1] ? x32_copy_siginfo_to_user+0x270/0x270 [ 530.593986][ C1] ? debug_smp_processor_id+0x17/0x20 [ 530.594009][ C1] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 530.594031][ C1] ? exit_to_user_mode_prepare+0x39/0xa0 [ 530.594053][ C1] x64_sys_call+0x91/0x9a0 [ 530.594072][ C1] do_syscall_64+0x3b/0xb0 [ 530.594089][ C1] ? clear_bhb_loop+0x55/0xb0 [ 530.594111][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 530.594132][ C1] RIP: 0033:0x7f154f0e99d9 [ 530.594150][ C1] Code: 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 04 25 [ 530.594163][ C1] RSP: 002b:00007f154f092c80 EFLAGS: 00000202 ORIG_RAX: 000000000000000f [ 530.594180][ C1] RAX: ffffffffffffffda RBX: 00007f154f15c308 RCX: 00007f154f0e99d9 [ 530.594193][ C1] RDX: 00007f154f092c80 RSI: 00007f154f092db0 RDI: 0000000000000021 [ 530.594204][ C1] RBP: 00007f154f15c300 R08: 00007f154f0936c0 R09: 00007f154f0936c0 [ 530.594216][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 000000020000008b [ 530.594227][ C1] R13: 0000000000000000 R14: 00007fff352a4b80 R15: 00007fff352a4c68 [ 530.594242][ C1] [ 715.468836][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 284s! [ 715.477568][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 284s! [ 715.486256][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 284s! [ 715.494505][ C0] Showing busy workqueues and worker pools: [ 715.500247][ C0] workqueue events: flags=0x0 [ 715.504730][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.504781][ C0] pending: psi_avgs_work [ 715.504819][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.504858][ C0] pending: vmstat_shepherd [ 715.504895][ C0] workqueue events_unbound: flags=0x2 [ 715.534027][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 715.534069][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 715.534117][ C0] workqueue events_power_efficient: flags=0x80 [ 715.554519][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.554566][ C0] pending: gc_worker [ 715.554595][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=5/256 refcnt=6 [ 715.554642][ C0] pending: neigh_managed_work, neigh_managed_work, neigh_periodic_work, neigh_periodic_work, check_lifetime [ 715.554733][ C0] workqueue mm_percpu_wq: flags=0x8 [ 715.590387][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.590435][ C0] pending: vmstat_update [ 715.590473][ C0] workqueue writeback: flags=0x4a [ 715.610456][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 715.610504][ C0] pending: wb_workfn [ 715.610714][ C0] workqueue dm_bufio_cache: flags=0x8 [ 715.627005][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 715.627053][ C0] pending: work_fn [ 715.627143][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 715.644395][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 715.644448][ C0] pending: addrconf_verify_work