./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3959907144 <...> hd_t tclass=fifo_file permissive=1 [ 13.768316][ T30] audit: type=1400 audit(1713545244.188:64): 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 [ 13.771690][ T30] audit: type=1400 audit(1713545244.188:65): 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 '10.128.1.17' (ED25519) to the list of known hosts. execve("./syz-executor3959907144", ["./syz-executor3959907144"], 0x7ffd5acd2800 /* 10 vars */) = 0 brk(NULL) = 0x555556e00000 brk(0x555556e00d00) = 0x555556e00d00 arch_prctl(ARCH_SET_FS, 0x555556e00380) = 0 set_tid_address(0x555556e00650) = 294 set_robust_list(0x555556e00660, 24) = 0 rseq(0x555556e00ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3959907144", 4096) = 28 getrandom("\x3a\x52\xc1\x86\x7a\x84\xc3\xb2", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556e00d00 brk(0x555556e21d00) = 0x555556e21d00 brk(0x555556e22000) = 0x555556e22000 mprotect(0x7f80dc0ba000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 295 attached , child_tidptr=0x555556e00650) = 295 [pid 295] set_robust_list(0x555556e00660, 24) = 0 [pid 295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 295] setpgid(0, 0) = 0 [pid 295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 295] write(3, "1000", 4) = 4 [pid 295] close(3) = 0 [pid 295] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKHASH, key_size=5, value_size=8, max_entries=1, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 295] socket(AF_INET, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 295] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000780, value=0x20000900, flags=BPF_ANY}, 32) = 0 [ 22.110868][ T30] audit: type=1400 audit(1713545252.548:66): avc: denied { execmem } for pid=294 comm="syz-executor395" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.134734][ T30] audit: type=1400 audit(1713545252.578:67): avc: denied { map_create } for pid=295 comm="syz-executor395" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 22.154215][ T30] audit: type=1400 audit(1713545252.578:68): avc: denied { map_read map_write } for pid=295 comm="syz-executor395" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 22.174840][ T30] audit: type=1400 audit(1713545252.598:69): avc: denied { prog_load } for pid=295 comm="syz-executor395" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 22.194061][ T30] audit: type=1400 audit(1713545252.598:70): avc: denied { bpf } for pid=295 comm="syz-executor395" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 22.214763][ T30] audit: type=1400 audit(1713545252.598:71): avc: denied { perfmon } for pid=295 comm="syz-executor395" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [pid 295] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 5 [pid 295] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 16) = 6 [ 22.318425][ T30] audit: type=1400 audit(1713545252.758:72): avc: denied { prog_run } for pid=295 comm="syz-executor395" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 122.337019][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 122.343479][ C0] rcu: 0-...!: (10000 ticks this GP) idle=d03/1/0x4000000000000000 softirq=2039/2039 fqs=0 last_accelerate: 933a/ba4c dyntick_enabled: 1 [ 122.357345][ C0] (t=10002 jiffies g=365 q=1) [ 122.361946][ C0] rcu: rcu_preempt kthread timer wakeup didn't happen for 10001 jiffies! g365 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 122.373951][ C0] rcu: Possible timer handling issue on cpu=0 timer-softirq=398 [ 122.381473][ C0] rcu: rcu_preempt kthread starved for 10004 jiffies! g365 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 122.392496][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 122.402310][ C0] rcu: RCU grace-period kthread stack dump: [ 122.408068][ C0] task:rcu_preempt state:I stack:28328 pid: 14 ppid: 2 flags:0x00004000 [ 122.417072][ C0] Call Trace: [ 122.420186][ C0] [ 122.422969][ C0] __schedule+0xccc/0x1590 [ 122.427216][ C0] ? __sched_text_start+0x8/0x8 [ 122.431906][ C0] ? __kasan_check_write+0x14/0x20 [ 122.436855][ C0] ? __kasan_check_write+0x14/0x20 [ 122.441797][ C0] schedule+0x11f/0x1e0 [ 122.445791][ C0] schedule_timeout+0x18c/0x370 [ 122.450563][ C0] ? console_conditional_schedule+0x30/0x30 [ 122.456290][ C0] ? update_process_times+0x200/0x200 [ 122.461500][ C0] ? prepare_to_swait_event+0x308/0x320 [ 122.466882][ C0] rcu_gp_fqs_loop+0x2af/0xf80 [ 122.471481][ C0] ? debug_smp_processor_id+0x17/0x20 [ 122.476691][ C0] ? __note_gp_changes+0x4ab/0x920 [ 122.481635][ C0] ? rcu_gp_init+0xc30/0xc30 [ 122.486067][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 122.491098][ C0] ? rcu_gp_init+0x9cf/0xc30 [ 122.495523][ C0] rcu_gp_kthread+0xa4/0x350 [ 122.499951][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 122.504636][ C0] ? rcu_barrier_callback+0x50/0x50 [ 122.509711][ C0] ? __kasan_check_read+0x11/0x20 [ 122.514553][ C0] ? __kthread_parkme+0xb2/0x200 [ 122.519304][ C0] kthread+0x421/0x510 [ 122.523212][ C0] ? rcu_barrier_callback+0x50/0x50 [ 122.528245][ C0] ? kthread_blkcg+0xd0/0xd0 [ 122.532670][ C0] ret_from_fork+0x1f/0x30 [ 122.536977][ C0] [ 122.539804][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 122.545953][ C0] NMI backtrace for cpu 0 [ 122.550130][ C0] CPU: 0 PID: 30 Comm: kauditd Not tainted 5.15.148-syzkaller-00013-gad06eaf051cd #0 [ 122.559404][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 122.569299][ C0] Call Trace: [ 122.572427][ C0] [ 122.575114][ C0] dump_stack_lvl+0x151/0x1b7 [ 122.579631][ C0] ? io_uring_drop_tctx_refs+0x190/0x190 [ 122.585096][ C0] dump_stack+0x15/0x17 [ 122.589087][ C0] nmi_cpu_backtrace+0x2f7/0x300 [ 122.593861][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 122.599855][ C0] ? panic+0x751/0x751 [ 122.603756][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 122.609665][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 122.615472][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 122.621373][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 122.627103][ C0] rcu_check_gp_kthread_starvation+0x1e3/0x250 [ 122.633090][ C0] ? rcu_check_gp_kthread_expired_fqs_timer+0x18e/0x230 [ 122.639863][ C0] print_cpu_stall+0x310/0x5f0 [ 122.644547][ C0] rcu_sched_clock_irq+0x989/0x12f0 [ 122.649582][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 122.655572][ C0] ? hrtimer_run_queues+0x15f/0x440 [ 122.660605][ C0] update_process_times+0x198/0x200 [ 122.665640][ C0] tick_sched_timer+0x188/0x240 [ 122.670327][ C0] ? tick_setup_sched_timer+0x480/0x480 [ 122.675706][ C0] __hrtimer_run_queues+0x41a/0xad0 [ 122.680744][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 122.685688][ C0] ? clockevents_program_event+0x22f/0x300 [ 122.691330][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 122.697233][ C0] hrtimer_interrupt+0x40c/0xaa0 [ 122.702011][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 122.707736][ C0] sysvec_apic_timer_interrupt+0x95/0xc0 [ 122.713202][ C0] [ 122.715980][ C0] [ 122.718758][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 122.724582][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 122.729348][ C0] Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 5b 03 f3 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c [ 122.748789][ C0] RSP: 0018:ffffc900001ff580 EFLAGS: 00000246 [ 122.754690][ C0] RAX: 0000000000000003 RBX: 1ffff9200003feb4 RCX: ffffffff8154f88f [ 122.762501][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88810e5b2068 [ 122.770313][ C0] RBP: ffffc900001ff630 R08: dffffc0000000000 R09: ffffed1021cb640e [ 122.778124][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 122.786022][ C0] R13: ffff88810e5b2068 R14: 0000000000000003 R15: 1ffff9200003feb8 [ 122.793839][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 122.799911][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 122.805898][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 122.810845][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 122.816924][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 122.822827][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 122.829073][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 122.833848][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 122.838881][ C0] ? sock_hash_bucket_hash+0x36d/0x7e0 [ 122.844175][ C0] sock_hash_delete_elem+0xb1/0x2f0 [ 122.849212][ C0] ? sock_map_unref+0x352/0x4d0 [ 122.853897][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0x4f8 [ 122.859278][ C0] bpf_trace_run2+0xec/0x210 [ 122.863704][ C0] ? _raw_spin_unlock+0x4d/0x70 [ 122.868392][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 122.873079][ C0] ? sock_map_unref+0x352/0x4d0 [ 122.877766][ C0] ? sock_map_unref+0x352/0x4d0 [ 122.882451][ C0] __bpf_trace_kfree+0x6f/0x90 [ 122.887053][ C0] ? sock_map_unref+0x352/0x4d0 [ 122.891773][ C0] kfree+0x1f3/0x220 [ 122.895807][ C0] sock_map_unref+0x352/0x4d0 [ 122.900321][ C0] sock_hash_delete_elem+0x274/0x2f0 [ 122.905440][ C0] ? skb_release_data+0x8a9/0xa80 [ 122.910301][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0x4f8 [ 122.915679][ C0] bpf_trace_run2+0xec/0x210 [ 122.920111][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 122.924792][ C0] ? vprintk_emit+0x16b/0x340 [ 122.929308][ C0] ? skb_release_data+0x8a9/0xa80 [ 122.934169][ C0] ? vprintk_store+0x1620/0x1620 [ 122.938940][ C0] ? __kasan_check_write+0x14/0x20 [ 122.943890][ C0] ? skb_release_data+0x8a9/0xa80 [ 122.948750][ C0] __bpf_trace_kfree+0x6f/0x90 [ 122.953358][ C0] ? skb_release_data+0x8a9/0xa80 [ 122.958214][ C0] kfree+0x1f3/0x220 [ 122.961943][ C0] ? vprintk+0x74/0x80 [ 122.965851][ C0] skb_release_data+0x8a9/0xa80 [ 122.970534][ C0] ? kauditd_hold_skb+0x115/0x200 [ 122.975394][ C0] kfree_skb+0xba/0x360 [ 122.979389][ C0] kauditd_hold_skb+0x115/0x200 [ 122.984076][ C0] ? auditd_conn_free+0xe0/0xe0 [ 122.988763][ C0] ? auditd_conn_free+0xe0/0xe0 [ 122.993448][ C0] ? kauditd_send_queue+0x2e0/0x2e0 [ 122.998481][ C0] kauditd_send_queue+0x28d/0x2e0 [ 123.003343][ C0] ? auditd_conn_free+0xe0/0xe0 [ 123.008032][ C0] ? kauditd_send_queue+0x2e0/0x2e0 [ 123.013064][ C0] kauditd_thread+0x529/0x8b0 [ 123.017579][ C0] ? __kasan_check_write+0x14/0x20 [ 123.022524][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 123.027212][ C0] ? audit_log+0x150/0x150 [ 123.031463][ C0] ? io_schedule+0x120/0x120 [ 123.035893][ C0] ? __kthread_parkme+0xb2/0x200 [ 123.040666][ C0] kthread+0x421/0x510 [ 123.044570][ C0] ? audit_log+0x150/0x150 [ 123.048823][ C0] ? kthread_blkcg+0xd0/0xd0 [ 123.053335][ C0] ret_from_fork+0x1f/0x30 [ 123.057679][ C0] [ 123.060614][ C0] NMI backtrace for cpu 0 [ 123.064712][ C0] CPU: 0 PID: 30 Comm: kauditd Not tainted 5.15.148-syzkaller-00013-gad06eaf051cd #0 [ 123.074224][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 123.084131][ C0] Call Trace: [ 123.087240][ C0] [ 123.089930][ C0] dump_stack_lvl+0x151/0x1b7 [ 123.094441][ C0] ? io_uring_drop_tctx_refs+0x190/0x190 [ 123.099914][ C0] ? ttwu_do_wakeup+0x187/0x430 [ 123.104595][ C0] dump_stack+0x15/0x17 [ 123.108589][ C0] nmi_cpu_backtrace+0x2f7/0x300 [ 123.113361][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 123.119350][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 123.124646][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 123.129330][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 123.135235][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 123.141049][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 123.146955][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 123.152679][ C0] rcu_dump_cpu_stacks+0x1d8/0x330 [ 123.157627][ C0] print_cpu_stall+0x315/0x5f0 [ 123.162227][ C0] rcu_sched_clock_irq+0x989/0x12f0 [ 123.167263][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 123.173251][ C0] ? hrtimer_run_queues+0x15f/0x440 [ 123.178284][ C0] update_process_times+0x198/0x200 [ 123.183317][ C0] tick_sched_timer+0x188/0x240 [ 123.188005][ C0] ? tick_setup_sched_timer+0x480/0x480 [ 123.193386][ C0] __hrtimer_run_queues+0x41a/0xad0 [ 123.198423][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 123.203368][ C0] ? clockevents_program_event+0x22f/0x300 [ 123.209063][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 123.214916][ C0] hrtimer_interrupt+0x40c/0xaa0 [ 123.219865][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 123.225586][ C0] sysvec_apic_timer_interrupt+0x95/0xc0 [ 123.231055][ C0] [ 123.233830][ C0] [ 123.236608][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 123.242425][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 123.247198][ C0] Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 5b 03 f3 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c [ 123.266758][ C0] RSP: 0018:ffffc900001ff580 EFLAGS: 00000246 [ 123.272654][ C0] RAX: 0000000000000003 RBX: 1ffff9200003feb4 RCX: ffffffff8154f88f [ 123.280466][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88810e5b2068 [ 123.288277][ C0] RBP: ffffc900001ff630 R08: dffffc0000000000 R09: ffffed1021cb640e [ 123.296090][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 123.303901][ C0] R13: ffff88810e5b2068 R14: 0000000000000003 R15: 1ffff9200003feb8 [ 123.311713][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 123.317790][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 123.323776][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 123.328725][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 123.334798][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 123.340703][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 123.346954][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 123.351724][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 123.356759][ C0] ? sock_hash_bucket_hash+0x36d/0x7e0 [ 123.362053][ C0] sock_hash_delete_elem+0xb1/0x2f0 [ 123.367086][ C0] ? sock_map_unref+0x352/0x4d0 [ 123.371773][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0x4f8 [ 123.377153][ C0] bpf_trace_run2+0xec/0x210 [ 123.381580][ C0] ? _raw_spin_unlock+0x4d/0x70 [ 123.386268][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 123.390962][ C0] ? sock_map_unref+0x352/0x4d0 [ 123.395656][ C0] ? sock_map_unref+0x352/0x4d0 [ 123.400330][ C0] __bpf_trace_kfree+0x6f/0x90 [ 123.404939][ C0] ? sock_map_unref+0x352/0x4d0 [ 123.409616][ C0] kfree+0x1f3/0x220 [ 123.413350][ C0] sock_map_unref+0x352/0x4d0 [ 123.417863][ C0] sock_hash_delete_elem+0x274/0x2f0 [ 123.422982][ C0] ? skb_release_data+0x8a9/0xa80 [ 123.427841][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0x4f8 [ 123.433223][ C0] bpf_trace_run2+0xec/0x210 [ 123.437650][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 123.442337][ C0] ? vprintk_emit+0x16b/0x340 [ 123.446848][ C0] ? skb_release_data+0x8a9/0xa80 [ 123.451712][ C0] ? vprintk_store+0x1620/0x1620 [ 123.456485][ C0] ? __kasan_check_write+0x14/0x20 [ 123.461431][ C0] ? skb_release_data+0x8a9/0xa80 [ 123.466293][ C0] __bpf_trace_kfree+0x6f/0x90 [ 123.470892][ C0] ? skb_release_data+0x8a9/0xa80 [ 123.475751][ C0] kfree+0x1f3/0x220 [ 123.479488][ C0] ? vprintk+0x74/0x80 [ 123.483390][ C0] skb_release_data+0x8a9/0xa80 [ 123.488080][ C0] ? kauditd_hold_skb+0x115/0x200 [ 123.492939][ C0] kfree_skb+0xba/0x360 [ 123.496935][ C0] kauditd_hold_skb+0x115/0x200 [ 123.501617][ C0] ? auditd_conn_free+0xe0/0xe0 [ 123.506304][ C0] ? auditd_conn_free+0xe0/0xe0 [ 123.510991][ C0] ? kauditd_send_queue+0x2e0/0x2e0 [ 123.516024][ C0] kauditd_send_queue+0x28d/0x2e0 [ 123.520888][ C0] ? auditd_conn_free+0xe0/0xe0 [ 123.525572][ C0] ? kauditd_send_queue+0x2e0/0x2e0 [ 123.530606][ C0] kauditd_thread+0x529/0x8b0 [ 123.535120][ C0] ? __kasan_check_write+0x14/0x20 [ 123.540067][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 123.544754][ C0] ? audit_log+0x150/0x150 [ 123.549006][ C0] ? io_schedule+0x120/0x120 [ 123.553433][ C0] ? __kthread_parkme+0xb2/0x200 [ 123.558207][ C0] kthread+0x421/0x510 [ 123.562112][ C0] ? audit_log+0x150/0x150 [ 123.566366][ C0] ? kthread_blkcg+0xd0/0xd0 [ 123.570795][ C0] ret_from_fork+0x1f/0x30 [ 123.575046][ C0] [ 123.577912][ C0] Sending NMI from CPU 0 to CPUs 1: [ 123.582977][ C1] NMI backtrace for cpu 1 [ 123.582986][ C1] CPU: 1 PID: 295 Comm: syz-executor395 Not tainted 5.15.148-syzkaller-00013-gad06eaf051cd #0 [ 123.583002][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 123.583010][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 123.583029][ C1] Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 5b 03 f3 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c [ 123.583041][ C1] RSP: 0018:ffffc90000a17500 EFLAGS: 00000246 [ 123.583054][ C1] RAX: 0000000000000001 RBX: 1ffff92000142ea4 RCX: 1ffffffff0d1aa9c [ 123.583065][ C1] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8881f7137ed4 [ 123.583074][ C1] RBP: ffffc90000a175b0 R08: dffffc0000000000 R09: ffffed103ee26fdb [ 123.583085][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 123.583095][ C1] R13: ffff8881f7137ed4 R14: 0000000000000001 R15: 1ffff92000142ea8 [ 123.583106][ C1] FS: 0000555556e00380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 123.583119][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 123.583129][ C1] CR2: 00007f80dc0be0d0 CR3: 0000000119123000 CR4: 00000000003506a0 [ 123.583143][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 123.583151][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 123.583160][ C1] Call Trace: [ 123.583165][ C1] [ 123.583170][ C1] ? show_regs+0x58/0x60 [ 123.583186][ C1] ? nmi_cpu_backtrace+0x29f/0x300 [ 123.583203][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 123.583220][ C1] ? kvm_wait+0x147/0x180 [ 123.583233][ C1] ? kvm_wait+0x147/0x180 [ 123.583246][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 123.583261][ C1] ? nmi_handle+0xa8/0x280 [ 123.583275][ C1] ? kvm_wait+0x147/0x180 [ 123.583288][ C1] ? default_do_nmi+0x69/0x160 [ 123.583304][ C1] ? exc_nmi+0xaf/0x120 [ 123.583317][ C1] ? end_repeat_nmi+0x16/0x31 [ 123.583332][ C1] ? kvm_wait+0x147/0x180 [ 123.583345][ C1] ? kvm_wait+0x147/0x180 [ 123.583358][ C1] ? kvm_wait+0x147/0x180 [ 123.583371][ C1] [ 123.583375][ C1] [ 123.583380][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 123.583394][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 123.583409][ C1] __pv_queued_spin_lock_slowpath+0x41b/0xc40 [ 123.583429][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 123.583447][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 123.583463][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 123.583479][ C1] ? sock_hash_bucket_hash+0x36d/0x7e0 [ 123.583495][ C1] sock_hash_delete_elem+0xb1/0x2f0 [ 123.583511][ C1] ? security_compute_sid+0x1d7d/0x1f40 [ 123.583526][ C1] bpf_prog_2c29ac5cdc6b1842+0x3a/0x4f8 [ 123.583538][ C1] bpf_trace_run2+0xec/0x210 [ 123.583554][ C1] ? context_to_sid+0x5a8/0x600 [ 123.583569][ C1] ? bpf_trace_run1+0x1c0/0x1c0 [ 123.583584][ C1] ? security_compute_sid+0x1d7d/0x1f40 [ 123.583598][ C1] ? security_compute_sid+0x1d7d/0x1f40 [ 123.583612][ C1] __bpf_trace_kfree+0x6f/0x90 [ 123.583626][ C1] ? security_compute_sid+0x1d7d/0x1f40 [ 123.583640][ C1] kfree+0x1f3/0x220 [ 123.583655][ C1] ? policydb_context_isvalid+0x1de/0x430 [ 123.583672][ C1] security_compute_sid+0x1d7d/0x1f40 [ 123.583690][ C1] ? security_transition_sid+0x90/0x90 [ 123.583704][ C1] ? __kasan_check_read+0x11/0x20 [ 123.583719][ C1] ? compat_start_thread+0x20/0x20 [ 123.583732][ C1] ? kvm_sched_clock_read+0x18/0x40 [ 123.583746][ C1] ? sched_clock+0x9/0x10 [ 123.583758][ C1] ? native_set_ldt+0x360/0x360 [ 123.583774][ C1] ? _raw_spin_unlock+0x4d/0x70 [ 123.583789][ C1] ? finish_task_switch+0x167/0x7b0 [ 123.583806][ C1] ? __schedule+0xcd4/0x1590 [ 123.583820][ C1] security_transition_sid+0x7d/0x90 [ 123.583834][ C1] selinux_socket_create+0x204/0x330 [ 123.583851][ C1] ? selinux_socket_unix_may_send+0x2f0/0x2f0 [ 123.583868][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 123.583884][ C1] security_socket_create+0x77/0xb0 [ 123.583898][ C1] __sock_create+0xd6/0x760 [ 123.583911][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 123.583937][ C1] ? ptrace_notify+0x24c/0x350 [ 123.583954][ C1] __sys_socket+0x132/0x370 [ 123.583967][ C1] ? sock_create_kern+0x50/0x50 [ 123.583979][ C1] ? __kasan_check_read+0x11/0x20 [ 123.583994][ C1] __x64_sys_socket+0x7a/0x90 [ 123.584007][ C1] do_syscall_64+0x3d/0xb0 [ 123.584021][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 123.584037][ C1] RIP: 0033:0x7f80dc046df9 [ 123.584058][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 123.584069][ C1] RSP: 002b:00007ffe55d03f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 [ 123.584083][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f80dc046df9 [ 123.584093][ C1] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000000000000000a [ 123.584101][ C1] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 123.584110][ C1] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000 [ 123.584118][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 123.584129][ C1] [ 123.584138][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.163 msecs [ 265.056272][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [kauditd:30] [ 265.056272][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 246s! [syz-executor395:295] [ 265.056301][ C0] Modules linked in: [ 265.056315][ C0] CPU: 0 PID: 30 Comm: kauditd Not tainted 5.15.148-syzkaller-00013-gad06eaf051cd #0 [ 265.063912][ C1] Modules linked in: [ 265.072329][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 265.076061][ C1] CPU: 1 PID: 295 Comm: syz-executor395 Not tainted 5.15.148-syzkaller-00013-gad06eaf051cd #0 [ 265.085358][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 265.089080][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 265.098986][ C0] Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 5b 03 f3 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c [ 265.109911][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 265.114685][ C0] RSP: 0018:ffffc900001ff580 EFLAGS: 00000246 [ 265.124579][ C1] Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 5b 03 f3 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c [ 265.144021][ C0] [ 265.144026][ C0] RAX: 0000000000000003 RBX: 1ffff9200003feb4 RCX: ffffffff8154f88f [ 265.148796][ C1] RSP: 0018:ffffc90000a17500 EFLAGS: 00000246 [ 265.154701][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88810e5b2068 [ 265.174140][ C1] [ 265.174145][ C1] RAX: 0000000000000001 RBX: 1ffff92000142ea4 RCX: 1ffffffff0d1aa9c [ 265.176309][ C0] RBP: ffffc900001ff630 R08: dffffc0000000000 R09: ffffed1021cb640e [ 265.184122][ C1] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8881f7137ed4 [ 265.190022][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.197833][ C1] RBP: ffffc90000a175b0 R08: dffffc0000000000 R09: ffffed103ee26fdb [ 265.200004][ C0] R13: ffff88810e5b2068 R14: 0000000000000003 R15: 1ffff9200003feb8 [ 265.207815][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.215798][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 265.223722][ C1] R13: ffff8881f7137ed4 R14: 0000000000000001 R15: 1ffff92000142ea8 [ 265.231529][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.239340][ C1] FS: 0000555556e00380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 265.247151][ C0] CR2: 000000000064a110 CR3: 000000011d02e000 CR4: 00000000003506b0 [ 265.254963][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.263743][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.271540][ C1] CR2: 00007f80dc0be0d0 CR3: 0000000119123000 CR4: 00000000003506a0 [ 265.277964][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.286735][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.294541][ C0] Call Trace: [ 265.294564][ C0] [ 265.300965][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.308780][ C0] ? show_regs+0x58/0x60 [ 265.316585][ C1] Call Trace: [ 265.316591][ C1] [ 265.324399][ C0] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.332210][ C1] ? show_regs+0x58/0x60 [ 265.335334][ C0] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.338025][ C1] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.345838][ C0] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.349915][ C1] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.353043][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.355732][ C1] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.360679][ C0] ? clockevents_program_event+0x22f/0x300 [ 265.364761][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.369879][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.374827][ C1] ? clockevents_program_event+0x22f/0x300 [ 265.380035][ C0] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.385154][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.390107][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.395311][ C1] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.400952][ C0] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.405903][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.411800][ C0] [ 265.411806][ C0] [ 265.417444][ C1] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.422392][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.428291][ C1] [ 265.428296][ C1] [ 265.434197][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.439141][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.444782][ C0] ? kvm_wait+0x147/0x180 [ 265.450684][ C1] ? kvm_wait+0x147/0x180 [ 265.453463][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.456239][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.461881][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 265.467868][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 265.470647][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.473427][ C1] __pv_queued_spin_lock_slowpath+0x41b/0xc40 [ 265.479501][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 265.485491][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.489656][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.493821][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 265.499812][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 265.505798][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.510748][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.515693][ C1] ? sock_hash_bucket_hash+0x36d/0x7e0 [ 265.521768][ C0] ? sock_hash_bucket_hash+0x36d/0x7e0 [ 265.527672][ C1] sock_hash_delete_elem+0xb1/0x2f0 [ 265.533574][ C0] sock_hash_delete_elem+0xb1/0x2f0 [ 265.539824][ C1] ? security_compute_sid+0x1d7d/0x1f40 [ 265.546072][ C0] ? sock_map_unref+0x352/0x4d0 [ 265.550845][ C1] bpf_prog_2c29ac5cdc6b1842+0x3a/0x4f8 [ 265.555619][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0x4f8 [ 265.560654][ C1] bpf_trace_run2+0xec/0x210 [ 265.565687][ C0] bpf_trace_run2+0xec/0x210 [ 265.570981][ C1] ? context_to_sid+0x5a8/0x600 [ 265.576276][ C0] ? _raw_spin_unlock+0x4d/0x70 [ 265.581311][ C1] ? bpf_trace_run1+0x1c0/0x1c0 [ 265.586344][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 265.591728][ C1] ? security_compute_sid+0x1d7d/0x1f40 [ 265.596412][ C0] ? sock_map_unref+0x352/0x4d0 [ 265.601793][ C1] ? security_compute_sid+0x1d7d/0x1f40 [ 265.607176][ C0] ? sock_map_unref+0x352/0x4d0 [ 265.611603][ C1] __bpf_trace_kfree+0x6f/0x90 [ 265.616029][ C0] __bpf_trace_kfree+0x6f/0x90 [ 265.620716][ C1] ? security_compute_sid+0x1d7d/0x1f40 [ 265.625403][ C0] ? sock_map_unref+0x352/0x4d0 [ 265.630087][ C1] kfree+0x1f3/0x220 [ 265.634776][ C0] kfree+0x1f3/0x220 [ 265.640156][ C1] ? policydb_context_isvalid+0x1de/0x430 [ 265.644844][ C0] sock_map_unref+0x352/0x4d0 [ 265.650227][ C1] security_compute_sid+0x1d7d/0x1f40 [ 265.654913][ C0] sock_hash_delete_elem+0x274/0x2f0 [ 265.659518][ C1] ? security_transition_sid+0x90/0x90 [ 265.664113][ C0] ? skb_release_data+0x8a9/0xa80 [ 265.669493][ C1] ? __kasan_check_read+0x11/0x20 [ 265.674179][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0x4f8 [ 265.677912][ C1] ? compat_start_thread+0x20/0x20 [ 265.681645][ C0] bpf_trace_run2+0xec/0x210 [ 265.687199][ C1] ? kvm_sched_clock_read+0x18/0x40 [ 265.691712][ C0] ? bpf_trace_run1+0x1c0/0x1c0 [ 265.696921][ C1] ? sched_clock+0x9/0x10 [ 265.702039][ C0] ? vprintk_emit+0x16b/0x340 [ 265.707334][ C1] ? native_set_ldt+0x360/0x360 [ 265.712196][ C0] ? skb_release_data+0x8a9/0xa80 [ 265.717057][ C1] ? _raw_spin_unlock+0x4d/0x70 [ 265.722439][ C0] ? vprintk_store+0x1620/0x1620 [ 265.727384][ C1] ? finish_task_switch+0x167/0x7b0 [ 265.731812][ C0] ? __kasan_check_write+0x14/0x20 [ 265.736846][ C1] ? __schedule+0xcd4/0x1590 [ 265.741532][ C0] ? skb_release_data+0x8a9/0xa80 [ 265.745702][ C1] security_transition_sid+0x7d/0x90 [ 265.750214][ C0] __bpf_trace_kfree+0x6f/0x90 [ 265.754899][ C1] selinux_socket_create+0x204/0x330 [ 265.759761][ C0] ? skb_release_data+0x8a9/0xa80 [ 265.764448][ C1] ? selinux_socket_unix_may_send+0x2f0/0x2f0 [ 265.769219][ C0] kfree+0x1f3/0x220 [ 265.774255][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.779203][ C0] ? vprintk+0x74/0x80 [ 265.783630][ C1] security_socket_create+0x77/0xb0 [ 265.788490][ C0] skb_release_data+0x8a9/0xa80 [ 265.793609][ C1] __sock_create+0xd6/0x760 [ 265.798211][ C0] ? kauditd_hold_skb+0x115/0x200 [ 265.803330][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.808191][ C0] kfree_skb+0xba/0x360 [ 265.814098][ C1] ? ptrace_notify+0x24c/0x350 [ 265.817832][ C0] kauditd_hold_skb+0x115/0x200 [ 265.822866][ C1] __sys_socket+0x132/0x370 [ 265.826771][ C0] ? auditd_conn_free+0xe0/0xe0 [ 265.831801][ C1] ? sock_create_kern+0x50/0x50 [ 265.836485][ C0] ? auditd_conn_free+0xe0/0xe0 [ 265.840824][ C1] ? __kasan_check_read+0x11/0x20 [ 265.845684][ C0] ? kauditd_send_queue+0x2e0/0x2e0 [ 265.850722][ C1] __x64_sys_socket+0x7a/0x90 [ 265.854713][ C0] kauditd_send_queue+0x28d/0x2e0 [ 265.859312][ C1] do_syscall_64+0x3d/0xb0 [ 265.864001][ C0] ? auditd_conn_free+0xe0/0xe0 [ 265.868339][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.873024][ C0] ? kauditd_send_queue+0x2e0/0x2e0 [ 265.877712][ C1] RIP: 0033:0x7f80dc046df9 [ 265.882400][ C0] kauditd_thread+0x529/0x8b0 [ 265.887286][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 265.892295][ C0] ? __kasan_check_write+0x14/0x20 [ 265.896806][ C1] RSP: 002b:00007ffe55d03f28 EFLAGS: 00000246 [ 265.901669][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 265.905925][ C1] ORIG_RAX: 0000000000000029 [ 265.910607][ C0] ? audit_log+0x150/0x150 [ 265.916337][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f80dc046df9 [ 265.921370][ C0] ? io_schedule+0x120/0x120 [ 265.925623][ C1] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000000000000000a [ 265.930139][ C0] ? __kthread_parkme+0xb2/0x200 [ 265.949578][ C1] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 265.954527][ C0] kthread+0x421/0x510 [ 265.960429][ C1] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000 [ 265.965114][ C0] ? audit_log+0x150/0x150 [ 265.969631][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 265.973882][ C0] ? kthread_blkcg+0xd0/0xd0 [ 265.981695][ C1] [ 265.986126][ C0] ret_from_fork+0x1f/0x30 [ 266.041847][ C0]