[ 4.067704][ T28] audit: type=1400 audit(1694664750.864:10): avc: denied { getattr } for pid=83 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 4.360996][ T100] udevd[100]: starting version 3.2.11 [ 4.459610][ T101] udevd[101]: starting eudev-3.2.11 [ 4.990386][ T117] scsi_id (117) used greatest stack depth: 22352 bytes left [ 13.242450][ T28] kauditd_printk_skb: 50 callbacks suppressed [ 13.242483][ T28] audit: type=1400 audit(1694664760.084:61): avc: denied { transition } for pid=225 comm="sshd" path="/bin/sh" dev="sda1" ino=89 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.252496][ T28] audit: type=1400 audit(1694664760.084:62): avc: denied { noatsecure } for pid=225 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.259266][ T28] audit: type=1400 audit(1694664760.094:63): avc: denied { write } for pid=225 comm="sh" path="pipe:[11933]" dev="pipefs" ino=11933 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 13.275980][ T28] audit: type=1400 audit(1694664760.094:64): avc: denied { rlimitinh } for pid=225 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.294619][ T28] audit: type=1400 audit(1694664760.094:65): avc: denied { siginh } for pid=225 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.0.82' (ED25519) to the list of known hosts. executing program executing program executing program executing program [ 354.711082][ T28] audit: type=1400 audit(1694665101.544:66): avc: denied { execmem } for pid=620 comm="syz-executor135" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 540.381886][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 540.388682][ C0] (detected by 0, t=10002 jiffies, g=3141, q=14 ncpus=2) [ 540.395615][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294991258-4294981255), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 540.408807][ C0] rcu: rcu_preempt kthread starved for 10004 jiffies! g3141 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 540.419745][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 540.429550][ C0] rcu: RCU grace-period kthread stack dump: [ 540.435285][ C0] task:rcu_preempt state:R running task stack:28248 pid:14 ppid:2 flags:0x00004000 [ 540.445873][ C0] Call Trace: [ 540.449000][ C0] [ 540.451778][ C0] __schedule+0xc99/0x1540 [ 540.456028][ C0] ? xfd_validate_state+0x6f/0x170 [ 540.460975][ C0] ? __sched_text_start+0x8/0x8 [ 540.465693][ C0] schedule+0xc3/0x180 [ 540.469573][ C0] schedule_timeout+0x18c/0x380 [ 540.474252][ C0] ? _raw_spin_unlock_irq+0x4d/0x70 [ 540.479404][ C0] ? console_conditional_schedule+0x10/0x10 [ 540.485132][ C0] ? update_process_times+0x1b0/0x1b0 [ 540.490341][ C0] ? prepare_to_swait_event+0x308/0x320 [ 540.495725][ C0] rcu_gp_fqs_loop+0x2dd/0xf40 [ 540.500323][ C0] ? _raw_spin_unlock_irq+0x4d/0x70 [ 540.505357][ C0] ? rcu_gp_init+0xc75/0xf70 [ 540.509781][ C0] ? rcu_gp_init+0xf70/0xf70 [ 540.514209][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 540.519853][ C0] ? finish_swait+0x17d/0x1b0 [ 540.524364][ C0] rcu_gp_kthread+0xa3/0x390 [ 540.528794][ C0] ? queued_spin_lock_slowpath+0x50/0x50 [ 540.534255][ C0] ? set_cpus_allowed_ptr+0xa4/0xe0 [ 540.539290][ C0] ? __kasan_check_read+0x11/0x20 [ 540.544161][ C0] ? __kthread_parkme+0x12d/0x180 [ 540.549015][ C0] kthread+0x26d/0x300 [ 540.552919][ C0] ? queued_spin_lock_slowpath+0x50/0x50 [ 540.558391][ C0] ? kthread_blkcg+0xd0/0xd0 [ 540.562820][ C0] ret_from_fork+0x1f/0x30 [ 540.567073][ C0] [ 540.569928][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 540.576092][ C0] CPU: 0 PID: 634 Comm: syz-executor135 Not tainted 6.1.25-syzkaller-00006-gc2ac612610e0 #0 [ 540.586002][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 540.595884][ C0] RIP: 0010:_raw_spin_unlock_irq+0x48/0x70 [ 540.601521][ C0] Code: 3c 08 00 74 0c 48 c7 c7 60 e2 ad 86 e8 e1 71 c0 fc 48 83 3d 79 1e b3 01 00 74 29 48 89 df e8 f3 0e 00 00 90 fb bf 01 00 00 00 73 61 54 fc 65 8b 05 c4 a9 07 7b 85 c0 74 03 5b 5d c3 e8 b4 bb [ 540.621076][ C0] RSP: 0018:ffffc900017f7b48 EFLAGS: 00000246 [ 540.626971][ C0] RAX: 0000000000000001 RBX: ffff88810d9bcec0 RCX: dffffc0000000000 [ 540.634783][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 540.642593][ C0] RBP: ffffc900017f7b50 R08: ffffffff81484cff R09: fffff520002fefc0 [ 540.650403][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810d9bd2e0 [ 540.658218][ C0] R13: 1ffff11021b37a5c R14: 0000000000000021 R15: dffffc0000000000 [ 540.666030][ C0] FS: 00007fbf4281d6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 540.674793][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 540.681217][ C0] CR2: 00007fbf4281ce40 CR3: 000000012107f000 CR4: 00000000003506b0 [ 540.689031][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 540.696844][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 540.704651][ C0] Call Trace: [ 540.707776][ C0] [ 540.710576][ C0] get_signal+0x14e6/0x1820 [ 540.714901][ C0] ? ptrace_notify+0x350/0x350 [ 540.719500][ C0] ? __kasan_check_write+0x14/0x20 [ 540.724441][ C0] arch_do_signal_or_restart+0xb0/0x16f0 [ 540.729910][ C0] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0 [ 540.736159][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 540.741104][ C0] ? do_sigaltstack+0x3f9/0x630 [ 540.745792][ C0] ? get_sigframe_size+0x10/0x10 [ 540.750657][ C0] ? restore_altstack+0x107/0x150 [ 540.755511][ C0] ? __ia32_sys_sigaltstack+0x260/0x260 [ 540.760899][ C0] ? __do_sys_rt_sigreturn+0x160/0x1e0 [ 540.766193][ C0] exit_to_user_mode_loop+0x6b/0xa0 [ 540.771225][ C0] exit_to_user_mode_prepare+0x5a/0xa0 [ 540.776519][ C0] syscall_exit_to_user_mode+0x26/0x130 [ 540.781899][ C0] do_syscall_64+0x49/0xb0 [ 540.786148][ C0] ? sysvec_apic_timer_interrupt+0x55/0xc0 [ 540.791842][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 540.797519][ C0] RIP: 0033:0x7fbf4285c417 [ 540.801775][ C0] Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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 [ 540.821219][ C0] RSP: 002b:00007fbf4281d238 EFLAGS: 00000246 [ 540.827121][ C0] RAX: 00000000000000ca RBX: 00007fbf428e6308 RCX: 00007fbf4285c419 [ 540.834928][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fbf428e6308 [ 540.842740][ C0] RBP: 00007fbf428e6300 R08: 00007fbf4281d6c0 R09: 00007fbf4281d6c0 [ 540.850550][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbf428e630c [ 540.858362][ C0] R13: 0000000000000000 R14: 00007ffdb7672aa0 R15: 00007ffdb7672b88 [ 540.866182][ C0] [ 572.141889][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 212s! [ 572.150632][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 210s! [ 572.159511][ C0] Showing busy workqueues and worker pools: [ 572.165225][ C0] workqueue events: flags=0x0 [ 572.169731][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 572.169779][ C0] pending: vmstat_shepherd, psi_avgs_work [ 572.169841][ C0] workqueue events_unbound: flags=0x2 [ 572.188300][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 572.188342][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 572.188403][ C0] workqueue events_power_efficient: flags=0x80 [ 572.208694][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 [ 572.208750][ C0] pending: neigh_managed_work, neigh_managed_work, neigh_periodic_work, neigh_periodic_work [ 572.208834][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 572.208873][ C0] pending: gc_worker, check_lifetime [ 572.208909][ C0] workqueue mm_percpu_wq: flags=0x8 [ 572.244569][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.244617][ C0] pending: vmstat_update [ 572.244651][ C0] workqueue writeback: flags=0x4a [ 572.261309][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 572.261350][ C0] pending: wb_workfn [ 572.261385][ C0] workqueue kblockd: flags=0x18 [ 572.277103][ C0] pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 572.277157][ C0] pending: blk_mq_timeout_work [ 572.277202][ C0] workqueue dm_bufio_cache: flags=0x8 [ 572.294911][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.294957][ C0] pending: work_fn [ 572.294986][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 572.311737][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 572.311784][ C0] pending: addrconf_verify_work