Warning: Permanently added '10.128.0.240' (ED25519) to the list of known hosts. [ 131.559600][ T28] audit: type=1400 audit(1730732751.192:66): avc: denied { execmem } for pid=399 comm="syz-executor177" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 131.561596][ T399] cgroup: Unknown subsys name 'net' [ 131.578845][ T28] audit: type=1400 audit(1730732751.192:67): avc: denied { mounton } for pid=399 comm="syz-executor177" path="/syzcgroup/unified" dev="sda1" ino=1926 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 131.607471][ T28] audit: type=1400 audit(1730732751.192:68): avc: denied { mount } for pid=399 comm="syz-executor177" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 131.607652][ T399] cgroup: Unknown subsys name 'devices' [ 131.629999][ T28] audit: type=1400 audit(1730732751.212:69): avc: denied { unmount } for pid=399 comm="syz-executor177" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 131.740537][ T399] cgroup: Unknown subsys name 'hugetlb' [ 131.745966][ T399] cgroup: Unknown subsys name 'rlimit' executing program [ 131.850659][ T28] audit: type=1400 audit(1730732751.482:70): avc: denied { setattr } for pid=399 comm="syz-executor177" name="raw-gadget" dev="devtmpfs" ino=254 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 executing program [ 131.908568][ T28] audit: type=1400 audit(1730732751.482:71): avc: denied { mounton } for pid=408 comm="syz-executor177" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 231.918428][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 231.925241][ C0] (detected by 0, t=10002 jiffies, g=1537, q=143 ncpus=2) [ 231.932259][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 9998 (4294960408-4294950410), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 231.945371][ C0] rcu: rcu_preempt kthread starved for 9999 jiffies! g1537 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 231.956226][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 231.966018][ C0] rcu: RCU grace-period kthread stack dump: [ 231.971757][ C0] task:rcu_preempt state:R running task stack:28008 pid:14 ppid:2 flags:0x00004000 [ 231.982351][ C0] Call Trace: [ 231.985461][ C0] [ 231.988243][ C0] __schedule+0xcb5/0x1560 [ 231.992498][ C0] ? update_load_avg+0x513/0x1530 [ 231.997358][ C0] ? __sched_text_start+0x8/0x8 [ 232.002040][ C0] ? del_timer_sync+0x1bc/0x230 [ 232.006728][ C0] ? __kasan_check_write+0x14/0x20 [ 232.011674][ C0] schedule+0xc3/0x180 [ 232.015580][ C0] schedule_timeout+0x18c/0x380 [ 232.020266][ C0] ? __kasan_check_write+0x14/0x20 [ 232.025212][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 232.030506][ C0] ? console_conditional_schedule+0x10/0x10 [ 232.036234][ C0] ? update_process_times+0x1b0/0x1b0 [ 232.041442][ C0] ? prepare_to_swait_event+0x308/0x320 [ 232.046827][ C0] rcu_gp_fqs_loop+0x2ed/0x10a0 [ 232.051512][ C0] ? dyntick_save_progress_counter+0x280/0x280 [ 232.057497][ C0] ? rcu_gp_init+0xfa0/0xfa0 [ 232.061924][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 232.067565][ C0] ? finish_swait+0x17d/0x1b0 [ 232.072091][ C0] rcu_gp_kthread+0xa3/0x3a0 [ 232.076506][ C0] ? queued_spin_lock_slowpath+0x50/0x50 [ 232.081972][ C0] ? set_cpus_allowed_ptr+0xa4/0xe0 [ 232.087018][ C0] ? __kasan_check_read+0x11/0x20 [ 232.091868][ C0] ? __kthread_parkme+0x12d/0x180 [ 232.096727][ C0] kthread+0x26d/0x300 [ 232.100634][ C0] ? queued_spin_lock_slowpath+0x50/0x50 [ 232.106101][ C0] ? kthread_blkcg+0xd0/0xd0 [ 232.110528][ C0] ret_from_fork+0x1f/0x30 [ 232.114781][ C0] [ 232.117659][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 232.123811][ C0] Sending NMI from CPU 0 to CPUs 1: [ 232.128853][ C1] NMI backtrace for cpu 1 [ 232.128867][ C1] CPU: 1 PID: 411 Comm: syz-executor177 Not tainted 6.1.112-syzkaller-00109-gfadb08b36671 #0 [ 232.128884][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 232.128892][ C1] RIP: 0010:_raw_spin_lock_irq+0xc1/0x1b0 [ 232.128913][ C1] Code: fc 4c 89 ff be 04 00 00 00 e8 ab eb 9b fc 43 0f b6 04 26 84 c0 0f 85 a9 00 00 00 8b 44 24 20 b9 01 00 00 00 f0 41 0f b1 4d 00 <75> 33 48 c7 04 24 0e 36 e0 45 49 c7 04 1c 00 00 00 00 65 48 8b 04 [ 232.128925][ C1] RSP: 0018:ffffc900001b0cc0 EFLAGS: 00000046 [ 232.128939][ C1] RAX: 0000000000000000 RBX: 1ffff92000036198 RCX: 0000000000000001 [ 232.128949][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc900001b0ce0 [ 232.128958][ C1] RBP: ffffc900001b0d50 R08: dffffc0000000000 R09: 0000000000000003 [ 232.128969][ C1] R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000 [ 232.128980][ C1] R13: ffff8881f6f29c80 R14: 1ffff9200003619c R15: ffffc900001b0ce0 [ 232.128990][ C1] FS: 00007f7f2e8966c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 232.129004][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 232.129014][ C1] CR2: 00007f7f2e895f80 CR3: 000000011da34000 CR4: 00000000003506a0 [ 232.129028][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 232.129036][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 232.129045][ C1] Call Trace: [ 232.129050][ C1] [ 232.129055][ C1] ? show_regs+0x58/0x60 [ 232.129070][ C1] ? nmi_cpu_backtrace+0x285/0x2f0 [ 232.129089][ C1] ? nmi_trigger_cpumask_backtrace+0x3b0/0x3b0 [ 232.129108][ C1] ? _raw_spin_lock_irq+0xc1/0x1b0 [ 232.129121][ C1] ? _raw_spin_lock_irq+0xc1/0x1b0 [ 232.129136][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 232.129152][ C1] ? nmi_handle+0xa7/0x280 [ 232.129167][ C1] ? _raw_spin_lock_irq+0xc1/0x1b0 [ 232.129181][ C1] ? default_do_nmi+0x69/0x160 [ 232.129197][ C1] ? exc_nmi+0xad/0x100 [ 232.129212][ C1] ? end_repeat_nmi+0x16/0x31 [ 232.129231][ C1] ? _raw_spin_lock_irq+0xc1/0x1b0 [ 232.129245][ C1] ? _raw_spin_lock_irq+0xc1/0x1b0 [ 232.129260][ C1] ? _raw_spin_lock_irq+0xc1/0x1b0 [ 232.129274][ C1] [ 232.129278][ C1] [ 232.129282][ C1] ? _raw_spin_lock_irqsave+0x210/0x210 [ 232.129297][ C1] ? posix_timer_fn+0x2cd/0x3a0 [ 232.129317][ C1] __hrtimer_run_queues+0x42e/0xad0 [ 232.129339][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 232.129358][ C1] ? clockevents_program_event+0x22f/0x300 [ 232.129372][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 232.129387][ C1] hrtimer_interrupt+0x40c/0xaa0 [ 232.129415][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 232.129436][ C1] sysvec_apic_timer_interrupt+0x95/0xc0 [ 232.129453][ C1] [ 232.129457][ C1] [ 232.129461][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 232.129478][ C1] RIP: 0010:_raw_spin_unlock_irq+0x48/0x70 [ 232.129493][ C1] Code: 3c 08 00 74 0c 48 c7 c7 20 f5 0d 87 e8 d1 e5 9b fc 48 83 3d 19 cd ec 01 00 74 29 48 89 df e8 f3 0e 00 00 90 fb bf 01 00 00 00 f3 6f 2e fc 65 8b 05 a4 45 e1 7a 85 c0 74 03 5b 5d c3 e8 74 5f [ 232.129504][ C1] RSP: 0018:ffffc90001307b48 EFLAGS: 00000246 [ 232.129516][ C1] RAX: 0000000000000001 RBX: ffff88810d56a300 RCX: dffffc0000000000 [ 232.129526][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 232.129535][ C1] RBP: ffffc90001307b50 R08: ffffffff8148a33f R09: fffff52000260fc0 [ 232.129545][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810d56a720 [ 232.129555][ C1] R13: 1ffff11021aad4e4 R14: 0000000000000021 R15: dffffc0000000000 [ 232.129567][ C1] ? get_signal+0x12af/0x1820 [ 232.129583][ C1] ? _raw_spin_unlock_irq+0x41/0x70 [ 232.129598][ C1] get_signal+0x14e6/0x1820 [ 232.129614][ C1] ? ptrace_notify+0x350/0x350 [ 232.129628][ C1] ? __kasan_check_write+0x14/0x20 [ 232.129644][ C1] arch_do_signal_or_restart+0xb0/0x16f0 [ 232.129662][ C1] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0 [ 232.129681][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 232.129697][ C1] ? do_sigaltstack+0x3f9/0x630 [ 232.129715][ C1] ? get_sigframe_size+0x10/0x10 [ 232.129732][ C1] ? restore_altstack+0x107/0x150 [ 232.129749][ C1] ? __ia32_sys_sigaltstack+0x260/0x260 [ 232.129766][ C1] ? sched_clock_cpu+0x71/0x2b0 [ 232.129783][ C1] ? __do_sys_rt_sigreturn+0x160/0x1e0 [ 232.129802][ C1] exit_to_user_mode_loop+0x74/0xa0 [ 232.129819][ C1] exit_to_user_mode_prepare+0x5a/0xa0 [ 232.129836][ C1] syscall_exit_to_user_mode+0x26/0x130 [ 232.129853][ C1] do_syscall_64+0x47/0xb0 [ 232.129866][ C1] ? clear_bhb_loop+0x55/0xb0 [ 232.129883][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 232.129899][ C1] RIP: 0033:0x7f7f2e8de9b7 [ 232.129915][ C1] Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 <0f> 05 48 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 [ 232.129925][ C1] RSP: 002b:00007f7f2e896178 EFLAGS: 00000246 [ 232.129936][ C1] RAX: 00000000000000ca RBX: 00007f7f2e9613c8 RCX: 00007f7f2e8de9b9 [ 232.129946][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7f2e9613c8 [ 232.129955][ C1] RBP: 00007f7f2e9613c0 R08: 00007f7f2e8966c0 R09: 00007f7f2e8966c0 [ 232.129965][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7f2e9613cc [ 232.129974][ C1] R13: 0000000000000010 R14: 00007ffd17f16150 R15: 00007ffd17f16238 [ 232.129987][ C1] [ 232.129993][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.144 msecs [ 428.818319][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 295s! [ 428.827067][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 295s! [ 428.835756][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 296s! [ 428.844000][ C0] Showing busy workqueues and worker pools: [ 428.849738][ C0] workqueue events: flags=0x0 [ 428.854228][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.854268][ C0] pending: kfree_rcu_monitor [ 428.854318][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 428.854350][ C0] pending: vmstat_shepherd, psi_avgs_work, kfree_rcu_monitor [ 428.854417][ C0] workqueue events_unbound: flags=0x2 [ 428.886924][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 428.886962][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 428.887005][ C0] workqueue events_power_efficient: flags=0x80 [ 428.907318][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=6/256 refcnt=7 [ 428.907355][ C0] pending: neigh_managed_work, neigh_periodic_work, neigh_managed_work, check_lifetime, neigh_periodic_work, gc_worker [ 428.907449][ C0] workqueue mm_percpu_wq: flags=0x8 [ 428.932421][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.932461][ C0] pending: vmstat_update [ 428.932498][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.932530][ C0] pending: vmstat_update [ 428.932559][ C0] workqueue writeback: flags=0x4a [ 428.961184][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 428.961231][ C0] pending: wb_workfn [ 428.961515][ C0] workqueue dm_bufio_cache: flags=0x8 [ 428.977888][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.977929][ C0] pending: work_fn [ 428.978009][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 428.994730][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 428.994773][ C0] pending: addrconf_verify_work