./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1293207138 <...> Warning: Permanently added '10.128.0.154' (ED25519) to the list of known hosts. execve("./syz-executor1293207138", ["./syz-executor1293207138"], 0x7ffec1902dd0 /* 10 vars */) = 0 brk(NULL) = 0x5555751a2000 brk(0x5555751a2e00) = 0x5555751a2e00 arch_prctl(ARCH_SET_FS, 0x5555751a2480) = 0 set_tid_address(0x5555751a2750) = 296 set_robust_list(0x5555751a2760, 24) = 0 rseq(0x5555751a2da0, 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-executor1293207138", 4096) = 28 getrandom("\x2e\x6c\x8a\x8f\xb8\x58\x5d\xfb", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555751a2e00 brk(0x5555751c3e00) = 0x5555751c3e00 brk(0x5555751c4000) = 0x5555751c4000 mprotect(0x7fdc7e795000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7fdc7e6dbc30, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fdc7e6e37a0}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7fdc7e6dbc30, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fdc7e6e37a0}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555751a2750) = 297 ./strace-static-x86_64: Process 297 attached [pid 297] set_robust_list(0x5555751a2760, 24) = 0 [pid 297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 297] setpgid(0, 0) = 0 [pid 297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 297] write(3, "1000", 4) = 4 [pid 297] close(3) = 0 [pid 297] write(1, "executing program\n", 18executing program ) = 18 [pid 297] futex(0x7fdc7e79b3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] rt_sigaction(SIGRT_1, {sa_handler=0x7fdc7e736e40, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdc7e6e37a0}, NULL, 8) = 0 [pid 297] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdc7e69d000 [pid 297] mprotect(0x7fdc7e69e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 297] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 297] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdc7e6bd990, parent_tid=0x7fdc7e6bd990, exit_signal=0, stack=0x7fdc7e69d000, stack_size=0x20240, tls=0x7fdc7e6bd6c0} => {parent_tid=[298]}, 88) = 298 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 297] futex(0x7fdc7e79b3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] futex(0x7fdc7e79b3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 298 attached [pid 298] set_robust_list(0x7fdc7e6bd9a0, 24) = 0 [pid 298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 298] mknodat(AT_FDCWD, "./file0", 000) = 0 [pid 298] futex(0x7fdc7e79b3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = 0 [pid 297] futex(0x7fdc7e79b3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... futex resumed>) = 1 [pid 297] <... futex resumed>) = 0 [pid 298] pipe2([3, 4], 0) = 0 [pid 297] futex(0x7fdc7e79b3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] futex(0x7fdc7e79b3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 297] <... futex resumed>) = 0 [pid 298] futex(0x7fdc7e79b3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] futex(0x7fdc7e79b3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] <... futex resumed>) = 0 [pid 298] socket(AF_NETLINK, SOCK_RAW, NETLINK_XFRM) = 5 [pid 297] futex(0x7fdc7e79b3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] futex(0x7fdc7e79b3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = 0 [pid 297] futex(0x7fdc7e79b3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] futex(0x7fdc7e79b3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... futex resumed>) = 1 [ 119.486418][ T36] audit: type=1400 audit(1751464447.490:64): avc: denied { execmem } for pid=296 comm="syz-executor129" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 119.505519][ T10] SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65380 sclass=netlink_xfrm_socket pid=10 comm=kworker/0:1 [pid 298] mount(NULL, "./file0", "9p", MS_NOSUID|MS_NOEXEC|MS_POSIXACL, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," [pid 297] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 297] futex(0x7fdc7e79b3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 297] futex(0x7fdc7e79b3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdc7e67c000 [pid 297] mprotect(0x7fdc7e67d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 297] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 297] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdc7e69c990, parent_tid=0x7fdc7e69c990, exit_signal=0, stack=0x7fdc7e67c000, stack_size=0x20240, tls=0x7fdc7e69c6c0}./strace-static-x86_64: Process 300 attached [pid 300] set_robust_list(0x7fdc7e69c9a0, 24) = 0 [pid 300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 300] futex(0x7fdc7e79b3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] <... clone3 resumed> => {parent_tid=[300]}, 88) = 300 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 297] futex(0x7fdc7e79b3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... futex resumed>) = 0 [pid 300] futex(NULL, FUTEX_WAKE_OP, 0, 0, NULL, FUTEX_OP_SET<<28|0<<12|FUTEX_OP_CMP_GE<<24|0) = -1 EFAULT (Bad address) [pid 300] futex(0x7fdc7e79b3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] <... futex resumed>) = 1 [pid 300] futex(0x7fdc7e79b3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] futex(0x7fdc7e79b3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] futex(0x7fdc7e79b3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... futex resumed>) = 0 [pid 297] <... futex resumed>) = 1 [pid 300] seccomp(SECCOMP_SET_MODE_FILTER, 0, {len=1, filter=0x200000000100} [pid 297] futex(0x7fdc7e79b3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... seccomp resumed>) = 0 [pid 300] futex(0x7fdc7e79b3fc, FUTEX_WAKE_PRIVATE, 1000000) = 202 [ 119.505870][ T36] audit: type=1400 audit(1751464447.500:65): avc: denied { create } for pid=297 comm="syz-executor129" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_xfrm_socket permissive=1 [ 119.538715][ T36] audit: type=1400 audit(1751464447.510:66): avc: denied { mounton } for pid=297 comm="syz-executor129" path="/root/file0" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=file permissive=1 [ 119.562608][ T36] audit: type=1326 audit(1751464447.570:67): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=root:sysadm_r:sysadm_t pid=297 comm="syz-executor129" exe="/root/syz-executor1293207138" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fdc7e7111a9 code=0x7dff0000 [pid 296] kill(-297, SIGKILL) = 0 [pid 296] kill(297, SIGKILL) = 0 [pid 296] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x5555751a37f0 /* 2 entries */, 32768) = 48 [pid 296] getdents64(3, 0x5555751a37f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [ 165.294185][ T45] sched: DL replenish lagged too much [ 249.974153][ T37] INFO: task syz-executor129:300 blocked for more than 122 seconds. [ 249.982217][ T37] Not tainted 6.12.30-syzkaller-gc40c54e66959 #0 [ 249.989136][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 249.997897][ T37] task:syz-executor129 state:D stack:0 pid:300 tgid:297 ppid:296 flags:0x00004004 [ 250.008141][ T37] Call Trace: [ 250.011436][ T37] [ 250.014400][ T37] __schedule+0x145b/0x1f10 [ 250.018947][ T37] ? __sched_text_start+0x10/0x10 [ 250.024018][ T37] ? kasan_save_track+0x4f/0x80 [ 250.028903][ T37] schedule+0xc6/0x240 [ 250.032972][ T37] schedule_timeout+0xb2/0x3a0 [ 250.037792][ T37] ? __cfi_schedule_timeout+0x10/0x10 [ 250.043226][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 250.048863][ T37] ? check_preempt_wakeup_fair+0x886/0xae0 [ 250.054734][ T37] wait_for_common+0x359/0x630 [ 250.059520][ T37] ? wait_for_completion+0x40/0x40 [ 250.064707][ T37] ? _raw_spin_lock_irq+0x8d/0x120 [ 250.069867][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 250.075469][ T37] wait_for_completion_state+0x19/0x40 [ 250.080950][ T37] do_coredump+0x7cf/0x2bd0 [ 250.085492][ T37] ? stack_depot_save_flags+0x399/0x800 [ 250.091064][ T37] ? save_fpregs_to_fpstate+0x196/0x230 [ 250.096663][ T37] ? kasan_save_track+0x4f/0x80 [ 250.101547][ T37] ? kasan_save_track+0x3e/0x80 [ 250.106539][ T37] ? kasan_save_free_info+0x4a/0x60 [ 250.111761][ T37] ? __kasan_slab_free+0x5f/0x80 [ 250.116754][ T37] ? __cfi_do_coredump+0x10/0x10 [ 250.121747][ T37] ? __kasan_slab_free+0x6a/0x80 [ 250.126731][ T37] ? kmem_cache_free+0x1c1/0x4c0 [ 250.131694][ T37] get_signal+0x11fd/0x14f0 [ 250.136239][ T37] arch_do_signal_or_restart+0x96/0x720 [ 250.141928][ T37] ? __cfi_ptrace_notify+0x10/0x10 [ 250.147084][ T37] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 250.153271][ T37] ? syscall_exit_work+0x86/0x160 [ 250.158351][ T37] syscall_exit_to_user_mode+0x58/0xb0 [ 250.163841][ T37] do_syscall_64+0x64/0xf0 [ 250.168292][ T37] ? clear_bhb_loop+0x50/0xa0 [ 250.173019][ T37] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 250.178987][ T37] RIP: 0033:0x7fdc7e7111a9 [ 250.183463][ T37] RSP: 002b:00007fdc7e69c178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 250.191929][ T37] RAX: 00000000000000ca RBX: 00007fdc7e79b3f8 RCX: 00007fdc7e7111a9 [ 250.199941][ T37] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fdc7e79b3fc [ 250.207949][ T37] RBP: 00007fdc7e79b3f0 R08: 0000000000000000 R09: 00007fdc7e69c6c0 [ 250.215986][ T37] R10: 00007fdc7e69c6c0 R11: 0000000000000246 R12: 00007fdc7e79b3fc [ 250.223961][ T37] R13: 000000000000006e R14: 00007ffc56235190 R15: 00007ffc56235278 [ 250.231981][ T37] [ 250.235143][ T37] NMI backtrace for cpu 1 [ 250.235164][ T37] CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted 6.12.30-syzkaller-gc40c54e66959 #0 d09897295957ba49fce5d3909215422667ca3e4a [ 250.235197][ T37] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 250.235209][ T37] Call Trace: [ 250.235216][ T37] [ 250.235224][ T37] __dump_stack+0x21/0x30 [ 250.235255][ T37] dump_stack_lvl+0x10c/0x190 [ 250.235282][ T37] ? __cfi_dump_stack_lvl+0x10/0x10 [ 250.235313][ T37] dump_stack+0x19/0x20 [ 250.235339][ T37] nmi_cpu_backtrace+0x2bf/0x2d0 [ 250.235375][ T37] ? rcu_read_unlock_special+0xab/0x480 [ 250.235400][ T37] ? __cfi_nmi_cpu_backtrace+0x10/0x10 [ 250.235434][ T37] ? sched_show_task+0x379/0x560 [ 250.235460][ T37] ? __rcu_read_unlock+0xc0/0xc0 [ 250.235482][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 250.235509][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 250.235535][ T37] nmi_trigger_cpumask_backtrace+0x142/0x2c0 [ 250.235573][ T37] arch_trigger_cpumask_backtrace+0x14/0x20 [ 250.235596][ T37] watchdog+0xd8f/0xed0 [ 250.235621][ T37] ? __cfi_watchdog+0x10/0x10 [ 250.235646][ T37] ? __kasan_check_read+0x15/0x20 [ 250.235673][ T37] ? __kthread_parkme+0x138/0x180 [ 250.235702][ T37] ? schedule+0xc6/0x240 [ 250.235727][ T37] kthread+0x2ca/0x370 [ 250.235760][ T37] ? __cfi_watchdog+0x10/0x10 [ 250.235786][ T37] ? __cfi_kthread+0x10/0x10 [ 250.235820][ T37] ret_from_fork+0x64/0xa0 [ 250.235848][ T37] ? __cfi_kthread+0x10/0x10 [ 250.235890][ T37] ret_from_fork_asm+0x1a/0x30 [ 250.235923][ T37] [ 250.235932][ T37] Sending NMI from CPU 1 to CPUs 0: [ 250.396877][ C0] NMI backtrace for cpu 0 [ 250.396892][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.12.30-syzkaller-gc40c54e66959 #0 d09897295957ba49fce5d3909215422667ca3e4a [ 250.396915][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 250.396925][ C0] RIP: 0010:touch_softlockup_watchdog_sched+0x0/0x20 [ 250.396970][ C0] Code: 89 e5 e8 53 d4 ff ff 5d e9 cd 11 02 04 cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 55 48 89 e5 e8 23 d4 ff ff 65 48 c7 05 57 0d 7d 7e ff [ 250.396983][ C0] RSP: 0018:ffffc90000007ef8 EFLAGS: 00000006 [ 250.396998][ C0] RAX: ffffffff817966a0 RBX: 0000000000000000 RCX: ffffffff87215540 [ 250.397010][ C0] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000 [ 250.397020][ C0] RBP: ffffc90000007fc8 R08: ffff8881f6e50473 R09: 1ffff1103edca08e [ 250.397032][ C0] R10: dffffc0000000000 R11: ffffed103edca08f R12: 1ffff1103edc5a9e [ 250.397044][ C0] R13: dffffc0000000000 R14: 1ffff92000000fe8 R15: 1ffff1103edc5aae [ 250.397057][ C0] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 250.397070][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 250.397081][ C0] CR2: 00005555751a2430 CR3: 000000010b766000 CR4: 00000000003526b0 [ 250.397096][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 250.397105][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 250.397116][ C0] Call Trace: [ 250.397122][ C0] [ 250.397129][ C0] ? tick_irq_enter+0x27d/0x300 [ 250.397157][ C0] ? __cfi_tick_irq_enter+0x10/0x10 [ 250.397180][ C0] ? sched_clock_idle_sleep_event+0x14/0x20 [ 250.397200][ C0] ? tick_nohz_irq_exit+0xd9/0x120 [ 250.397223][ C0] irq_enter_rcu+0x63/0xa0 [ 250.397245][ C0] sysvec_call_function_single+0x72/0x90 [ 250.397265][ C0] [ 250.397270][ C0] [ 250.397276][ C0] asm_sysvec_call_function_single+0x1f/0x30 [ 250.397295][ C0] RIP: 0010:pv_native_safe_halt+0x17/0x20 [ 250.397316][ C0] Code: cc cc cc b8 4e d7 59 1f 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 73 bc 41 00 f3 0f 1e fa 55 48 89 e5 fb f4 <5d> e9 c3 59 02 00 cc cc cc b8 00 00 00 00 90 90 90 90 90 90 90 90 [ 250.397329][ C0] RSP: 0018:ffffffff87207da0 EFLAGS: 000002c6 [ 250.397341][ C0] RAX: ffff8881f6e00000 RBX: ffffffff87215540 RCX: ffffffff8585900e [ 250.397353][ C0] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 000000000001b884 [ 250.397363][ C0] RBP: ffffffff87207da0 R08: ffff8881f6e39733 R09: 1ffff1103edc72e6 [ 250.397375][ C0] R10: dffffc0000000000 R11: ffffed103edc72e7 R12: 1ffffffff0e42aa8 [ 250.397386][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87ca72e8 [ 250.397398][ C0] ? ct_kernel_exit+0x7e/0xb0 [ 250.397419][ C0] default_idle+0x17/0x30 [ 250.397440][ C0] arch_cpu_idle+0xd/0x20 [ 250.397461][ C0] default_idle_call+0x3f/0x80 [ 250.397482][ C0] do_idle+0x1a0/0x470 [ 250.397505][ C0] ? idle_inject_timer_fn+0x80/0x80 [ 250.397528][ C0] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 250.397552][ C0] ? radix_tree_lookup+0x250/0x2a0 [ 250.397568][ C0] cpu_startup_entry+0x48/0x70 [ 250.397591][ C0] rest_init+0x10b/0x130 [ 250.397613][ C0] ? __cfi_x86_late_time_init+0x10/0x10 [ 250.397631][ C0] start_kernel+0x46a/0x4bb [ 250.397655][ C0] x86_64_start_reservations+0x2e/0x30 [ 250.397672][ C0] x86_64_start_kernel+0x6a/0x7b [ 250.397687][ C0] common_startup_64+0x13b/0x157 [ 250.397710][ C0]