./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3679251994 <...> Warning: Permanently added '10.128.1.80' (ED25519) to the list of known hosts. execve("./syz-executor3679251994", ["./syz-executor3679251994"], 0x7fff761e33f0 /* 10 vars */) = 0 brk(NULL) = 0x55555731c000 brk(0x55555731cd00) = 0x55555731cd00 arch_prctl(ARCH_SET_FS, 0x55555731c380) = 0 set_tid_address(0x55555731c650) = 5070 set_robust_list(0x55555731c660, 24) = 0 rseq(0x55555731cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3679251994", 4096) = 28 getrandom("\x2d\xa5\x4e\xcf\x6e\xa3\x21\x2d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555731cd00 brk(0x55555733dd00) = 0x55555733dd00 brk(0x55555733e000) = 0x55555733e000 mprotect(0x7fcdf9432000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555731c650) = 5071 ./strace-static-x86_64: Process 5071 attached [pid 5071] set_robust_list(0x55555731c660, 24) = 0 [pid 5071] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5071] setsid() = 1 [pid 5071] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5071] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5071] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5071] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5071] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5071] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5071] unshare(CLONE_NEWNS) = 0 [pid 5071] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5071] unshare(CLONE_NEWIPC) = 0 [pid 5071] unshare(CLONE_NEWCGROUP) = 0 [pid 5071] unshare(CLONE_NEWUTS) = 0 [pid 5071] unshare(CLONE_SYSVSEM) = 0 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "16777216", 8) = 8 [pid 5071] close(3) = 0 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "536870912", 9) = 9 [pid 5071] close(3) = 0 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "1024", 4) = 4 [pid 5071] close(3) = 0 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "8192", 4) = 4 [pid 5071] close(3) = 0 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "1024", 4) = 4 [pid 5071] close(3) = 0 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "1024", 4) = 4 [pid 5071] close(3) = 0 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5071] close(3) = 0 [pid 5071] getpid() = 1 [pid 5071] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5081] set_robust_list(0x55555731c660, 24 [pid 5071] <... clone resumed>, child_tidptr=0x55555731c650) = 2 [pid 5081] <... set_robust_list resumed>) = 0 [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5081] setpgid(0, 0) = 0 [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5081] write(3, "1000", 4) = 4 [pid 5081] close(3) = 0 [pid 5081] socket(AF_PACKET, SOCK_RAW, htons(0 /* ETH_P_??? */)) = 3 [pid 5081] ioctl(3, SIOCGIFINDEX, {ifr_name="team0", ifr_ifindex=15}) = 0 [pid 5081] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 5081] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\xa4\x00\x00\x00\x24\x00\x0b\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x12\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x00\x00\x00\x00\x0b\x00\x01\x00\x74\x61\x70\x72\x69\x6f\x00\x00\x74\x00\x02\x00\x56\x00\x01\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=164}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 164 [pid 5081] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [pid 5081] clock_adjtime(CLOCK_REALTIME, {modes=ADJ_MAXERROR|ADJ_STATUS|ADJ_SETOFFSET|0xc40, offset=0, freq=0, maxerror=0, esterror=16000000, status=0, constant=2, precision=1, tolerance=32768000, time={tv_sec=1842398658, tv_usec=985456}, tick=10000, ppsfreq=0, jitter=0, shift=0, stabil=0, jitcnt=0, calcnt=0, errcnt=0, stbcnt=0, tai=0}) = 0 (TIME_OK) [ 92.645746][ T24] cfg80211: failed to load regulatory.db [ 137.443128][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2640 jiffies s: 553 root: 0x1/. [ 137.455943][ T18] rcu: blocking rcu_node structures (internal RCU debug): [ 137.463531][ T18] Sending NMI from CPU 1 to CPUs 0: [ 137.468777][ C0] NMI backtrace for cpu 0 [ 137.468791][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.8.0-rc4-next-20240214-syzkaller #0 [ 137.468809][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 137.468820][ C0] RIP: 0010:__lock_acquire+0xb27/0x1fd0 [ 137.468864][ C0] Code: 48 0f 84 f6 00 00 00 41 0f b6 04 16 84 c0 0f 85 86 0d 00 00 41 8b 0f f7 c1 00 80 00 00 0f 85 bf 00 00 00 65 8b 05 45 fc 90 7e c1 00 00 03 00 74 4e 85 c0 74 22 4c 89 ef 48 89 ee ba 01 00 00 [ 137.468878][ C0] RSP: 0018:ffffc90000007a30 EFLAGS: 00000046 [ 137.468893][ C0] RAX: 0000000000000001 RBX: 0000000000000002 RCX: 00000000000c46ec [ 137.468905][ C0] RDX: dffffc0000000000 RSI: ffffffff8de95158 RDI: ffffffff92cc3578 [ 137.468918][ C0] RBP: ffffffff8de95158 R08: ffffffff92cc357f R09: 1ffffffff25986af [ 137.468932][ C0] R10: dffffc0000000000 R11: fffffbfff25986b0 R12: 0000000000000001 [ 137.468944][ C0] R13: ffffffff8de94680 R14: 1ffffffff1bd2a2f R15: ffffffff8de95178 [ 137.468958][ C0] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 137.468972][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 137.468984][ C0] CR2: 0000000000000000 CR3: 000000007b87c000 CR4: 00000000003506f0 [ 137.468999][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 137.469009][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 137.469019][ C0] Call Trace: [ 137.469027][ C0] [ 137.469034][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 137.469058][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 137.469077][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 137.469103][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 137.469126][ C0] ? nmi_handle+0x14f/0x580 [ 137.469144][ C0] ? nmi_handle+0x2a/0x580 [ 137.469161][ C0] ? __lock_acquire+0xb27/0x1fd0 [ 137.469178][ C0] ? default_do_nmi+0x63/0x160 [ 137.469198][ C0] ? exc_nmi+0x121/0x210 [ 137.469215][ C0] ? end_repeat_nmi+0xf/0x53 [ 137.469240][ C0] ? __lock_acquire+0xb27/0x1fd0 [ 137.469257][ C0] ? __lock_acquire+0xb27/0x1fd0 [ 137.469275][ C0] ? __lock_acquire+0xb27/0x1fd0 [ 137.469292][ C0] [ 137.469298][ C0] [ 137.469313][ C0] lock_acquire+0x1e4/0x530 [ 137.469329][ C0] ? advance_sched+0xab/0xca0 [ 137.469359][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 137.469377][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 137.469409][ C0] ? __hrtimer_run_queues+0x481/0xd00 [ 137.469431][ C0] ? __pfx_lock_release+0x10/0x10 [ 137.469451][ C0] ? __pfx_advance_sched+0x10/0x10 [ 137.469472][ C0] _raw_spin_lock+0x2e/0x40 [ 137.469493][ C0] ? advance_sched+0xab/0xca0 [ 137.469513][ C0] advance_sched+0xab/0xca0 [ 137.469534][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 137.469558][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 137.469585][ C0] ? __pfx_advance_sched+0x10/0x10 [ 137.469606][ C0] __hrtimer_run_queues+0x595/0xd00 [ 137.469636][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 137.469656][ C0] ? ktime_get_update_offsets_now+0x411/0x430 [ 137.469687][ C0] hrtimer_interrupt+0x396/0x990 [ 137.469719][ C0] __sysvec_apic_timer_interrupt+0x107/0x3a0 [ 137.469747][ C0] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 137.469770][ C0] [ 137.469776][ C0] [ 137.469782][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 137.469801][ C0] RIP: 0010:acpi_safe_halt+0x21/0x30 [ 137.469818][ C0] Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 00 bf 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d 65 10 97 00 f3 0f 1e fa fb f4 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 [ 137.469831][ C0] RSP: 0018:ffffffff8de07ca8 EFLAGS: 00000246 [ 137.469844][ C0] RAX: ffffffff8de94680 RBX: ffff88801aa85064 RCX: 000000000001c661 [ 137.469857][ C0] RDX: 0000000000000001 RSI: ffff88801aa85000 RDI: ffff88801aa85064 [ 137.469868][ C0] RBP: 0000000000038fb8 R08: ffff8880b9436b8b R09: 1ffff11017286d71 [ 137.469881][ C0] R10: dffffc0000000000 R11: ffffffff8b715b10 R12: ffff888015707800 [ 137.469894][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8e8a2bc0 [ 137.469908][ C0] ? __pfx_acpi_idle_enter+0x10/0x10 [ 137.469930][ C0] acpi_idle_enter+0xe4/0x140 [ 137.469948][ C0] cpuidle_enter_state+0x112/0x480 [ 137.469975][ C0] ? __pfx_menu_select+0x10/0x10 [ 137.470003][ C0] cpuidle_enter+0x5d/0xa0 [ 137.470026][ C0] do_idle+0x375/0x5d0 [ 137.470050][ C0] ? __pfx_do_idle+0x10/0x10 [ 137.470068][ C0] ? poll_idle+0x60/0xb0 [ 137.470089][ C0] ? rest_init+0x31/0x300 [ 137.470105][ C0] cpu_startup_entry+0x42/0x60 [ 137.470123][ C0] rest_init+0x2dc/0x300 [ 137.470139][ C0] ? __pfx_x86_late_time_init+0x10/0x10 [ 137.470163][ C0] start_kernel+0x475/0x500 [ 137.470192][ C0] x86_64_start_reservations+0x2a/0x30 [ 137.470213][ C0] x86_64_start_kernel+0x99/0xa0 [ 137.470232][ C0] secondary_startup_64_no_verify+0x166/0x16b [ 137.470265][ C0] [ 137.470272][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.496 msecs