Warning: Permanently added '10.128.15.192' (ED25519) to the list of known hosts. [ 149.024044][ T30] audit: type=1400 audit(1748657739.489:64): avc: denied { execmem } for pid=281 comm="syz-executor641" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 149.030290][ T281] cgroup: Unknown subsys name 'net' [ 149.043541][ T30] audit: type=1400 audit(1748657739.489:65): avc: denied { mounton } for pid=281 comm="syz-executor641" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 149.071780][ T281] cgroup: Unknown subsys name 'devices' [ 149.071865][ T30] audit: type=1400 audit(1748657739.489:66): avc: denied { mount } for pid=281 comm="syz-executor641" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 149.099725][ T30] audit: type=1400 audit(1748657739.509:67): avc: denied { unmount } for pid=281 comm="syz-executor641" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 149.243632][ T281] cgroup: Unknown subsys name 'hugetlb' [ 149.249266][ T281] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 149.392802][ T283] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 149.401651][ T30] audit: type=1400 audit(1748657739.869:68): avc: denied { relabelto } for pid=283 comm="mkswap" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 149.427402][ T30] audit: type=1400 audit(1748657739.869:69): avc: denied { write } for pid=283 comm="mkswap" path="/root/swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 149.428578][ T281] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 149.453470][ T30] audit: type=1400 audit(1748657739.889:70): avc: denied { read } for pid=281 comm="syz-executor641" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 149.487482][ T30] audit: type=1400 audit(1748657739.889:71): avc: denied { open } for pid=281 comm="syz-executor641" path="/root/swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 149.538937][ T30] audit: type=1400 audit(1748657739.949:72): avc: denied { mounton } for pid=289 comm="syz-executor641" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 149.539903][ T289] request_module fs-gadgetfs succeeded, but still no fs? executing program executing program executing program [ 149.561511][ T30] audit: type=1400 audit(1748657739.999:73): avc: denied { mounton } for pid=289 comm="syz-executor641" path="/root/syzkaller.iWqi9s/syz-tmp" dev="sda1" ino=2032 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 249.630580][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 249.637615][ C0] (detected by 0, t=10002 jiffies, g=693, q=216) [ 249.644046][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294962182-4294952180), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 249.657433][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g693 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 249.668468][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 249.678444][ C0] rcu: RCU grace-period kthread stack dump: [ 249.684337][ C0] task:rcu_preempt state:R running task stack:28752 pid: 14 ppid: 2 flags:0x00004000 [ 249.695159][ C0] Call Trace: [ 249.698452][ C0] [ 249.701399][ C0] __schedule+0xb6e/0x14c0 [ 249.705851][ C0] ? release_firmware_map_entry+0x190/0x190 [ 249.711758][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 249.717589][ C0] ? __mod_timer+0x7ae/0xb30 [ 249.722208][ C0] schedule+0x11e/0x1e0 [ 249.726386][ C0] schedule_timeout+0x12c/0x2e0 [ 249.731260][ C0] ? console_conditional_schedule+0x30/0x30 [ 249.737175][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 249.742650][ C0] ? update_process_times+0x200/0x200 [ 249.748038][ C0] ? prepare_to_swait_event+0x308/0x320 [ 249.753604][ C0] rcu_gp_fqs_loop+0x293/0xf60 [ 249.758388][ C0] ? debug_smp_processor_id+0x17/0x20 [ 249.763774][ C0] ? __note_gp_changes+0x4e2/0x9e0 [ 249.768898][ C0] ? rcu_gp_init+0xc00/0xc00 [ 249.773505][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 249.778725][ C0] ? rcu_gp_init+0x9a7/0xc00 [ 249.783353][ C0] rcu_gp_kthread+0x98/0x330 [ 249.787968][ C0] ? wake_nocb_gp+0x1d0/0x1d0 [ 249.792665][ C0] ? __kasan_check_read+0x11/0x20 [ 249.797703][ C0] ? __kthread_parkme+0xac/0x200 [ 249.802658][ C0] ? preempt_count_add+0x90/0x1b0 [ 249.807692][ C0] kthread+0x411/0x500 [ 249.811779][ C0] ? wake_nocb_gp+0x1d0/0x1d0 [ 249.816468][ C0] ? kthread_blkcg+0xd0/0xd0 [ 249.821071][ C0] ret_from_fork+0x1f/0x30 [ 249.825505][ C0] [ 249.828547][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 249.834891][ C0] Sending NMI from CPU 0 to CPUs 1: [ 249.840209][ C1] NMI backtrace for cpu 1 [ 249.840227][ C1] CPU: 1 PID: 297 Comm: syz-executor641 Not tainted 5.15.184-syzkaller-00129-g4032a894ccb2 #0 [ 249.840245][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 249.840258][ C1] RIP: 0010:ktime_get+0x6/0x160 [ 249.840281][ C1] Code: 5c 41 5d 41 5e 41 5f 5d c3 e8 26 5c 0e 00 0f 0b e9 dd fd ff ff e8 da 7e 45 03 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 e8 fe 5b 0e 00 8b 1d b4 97 8e 05 31 ff 89 de [ 249.840298][ C1] RSP: 0018:ffffc90000af78a0 EFLAGS: 00000046 [ 249.840313][ C1] RAX: 1ffff1103ee24dd5 RBX: ffff8881f7126e80 RCX: ffff8881019bbb40 [ 249.840327][ C1] RDX: 0000000000000000 RSI: fffffffffffffbe4 RDI: ffff8881f7126e80 [ 249.840338][ C1] RBP: ffffc90000af78a8 R08: ffff8881019bbb40 R09: 0000000000000002 [ 249.840350][ C1] R10: 0000000000000003 R11: 0000000000000000 R12: 00000000000003e8 [ 249.840359][ C1] R13: dffffc0000000000 R14: ffff8881f7126ea8 R15: fffffffffffffbe4 [ 249.840372][ C1] FS: 00007f98f0e056c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 249.840387][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 249.840398][ C1] CR2: 00007f98f0e04d80 CR3: 0000000101bb4000 CR4: 00000000003506a0 [ 249.840413][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 249.840422][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 249.840432][ C1] Call Trace: [ 249.840437][ C1] [ 249.840444][ C1] clockevents_program_min_delta+0x59/0x340 [ 249.840463][ C1] clockevents_program_event+0x21f/0x300 [ 249.840479][ C1] tick_program_event+0xa3/0x120 [ 249.840496][ C1] hrtimer_reprogram+0x388/0x430 [ 249.840515][ C1] hrtimer_start_range_ns+0xa76/0xc00 [ 249.840535][ C1] common_hrtimer_rearm+0xf6/0x100 [ 249.840553][ C1] posixtimer_rearm+0x13d/0x330 [ 249.840570][ C1] dequeue_signal+0x173/0x440 [ 249.840590][ C1] get_signal+0x696/0x1480 [ 249.840609][ C1] arch_do_signal_or_restart+0xc1/0x10f0 [ 249.840628][ C1] ? load_gs_index+0xb0/0xb0 [ 249.840643][ C1] ? get_sigframe_size+0x10/0x10 [ 249.840660][ C1] ? sysvec_apic_timer_interrupt+0x64/0xc0 [ 249.840678][ C1] exit_to_user_mode_loop+0xa7/0xe0 [ 249.840693][ C1] exit_to_user_mode_prepare+0x5a/0xa0 [ 249.840708][ C1] syscall_exit_to_user_mode+0x1a/0x30 [ 249.840724][ C1] do_syscall_64+0x58/0xa0 [ 249.840741][ C1] ? clear_bhb_loop+0x50/0xa0 [ 249.840757][ C1] ? clear_bhb_loop+0x50/0xa0 [ 249.840771][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 249.840792][ C1] RIP: 0033:0x7f98f0e505c7 [ 249.840818][ C1] Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 1e 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 [ 249.840831][ C1] RSP: 002b:00007f98f0e05178 EFLAGS: 00000246 [ 249.840844][ C1] RAX: 00000000000000ca RBX: 00007f98f0ed9188 RCX: 00007f98f0e505c9 [ 249.840855][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f98f0ed9188 [ 249.840865][ C1] RBP: 00007f98f0ed9180 R08: 00007f98f0e056c0 R09: 00007f98f0e056c0 [ 249.840877][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f98f0ed918c [ 249.840887][ C1] R13: 0000000000000002 R14: 00007ffe866a9640 R15: 00007ffe866a9728 [ 249.840901][ C1] [ 428.770525][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 278s! [ 428.779542][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 278s! [ 428.788474][ C0] Showing busy workqueues and worker pools: [ 428.794388][ C0] workqueue events: flags=0x0 [ 428.799189][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 428.799237][ C0] pending: psi_avgs_work, kfree_rcu_monitor [ 428.799287][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 428.799327][ C0] pending: vmstat_shepherd, kfree_rcu_monitor [ 428.799368][ C0] workqueue events_unbound: flags=0x2 [ 428.832678][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 428.832724][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 428.832772][ C0] workqueue events_power_efficient: flags=0x80 [ 428.853865][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 428.853939][ C0] pending: neigh_periodic_work, neigh_periodic_work, gc_worker [ 428.854001][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.854041][ C0] pending: check_lifetime [ 428.854068][ C0] workqueue mm_percpu_wq: flags=0x8 [ 428.887111][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.887161][ C0] pending: vmstat_update [ 428.887191][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.887230][ C0] pending: vmstat_update [ 428.887257][ C0] workqueue writeback: flags=0x4a [ 428.916781][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 428.916827][ C0] pending: wb_workfn [ 428.916857][ C0] workqueue kblockd: flags=0x18 [ 428.933164][ C0] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 428.933294][ C0] pending: blk_mq_timeout_work [ 428.933364][ C0] workqueue dm_bufio_cache: flags=0x8 [ 428.951688][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.951737][ C0] pending: work_fn [ 428.951909][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 428.969255][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 428.969311][ C0] pending: addrconf_verify_work