./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1517839596 <...> Warning: Permanently added '10.128.1.152' (ED25519) to the list of known hosts. execve("./syz-executor1517839596", ["./syz-executor1517839596"], 0x7fffeb281af0 /* 10 vars */) = 0 brk(NULL) = 0x55555f14f000 brk(0x55555f14fd00) = 0x55555f14fd00 arch_prctl(ARCH_SET_FS, 0x55555f14f380) = 0 set_tid_address(0x55555f14f650) = 5089 set_robust_list(0x55555f14f660, 24) = 0 rseq(0x55555f14fca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1517839596", 4096) = 28 getrandom("\x32\x9b\x4f\xcf\x89\x09\xda\xbf", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555f14fd00 brk(0x55555f170d00) = 0x55555f170d00 brk(0x55555f171000) = 0x55555f171000 mprotect(0x7fada9fea000, 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./strace-static-x86_64: Process 5090 attached , child_tidptr=0x55555f14f650) = 5090 [pid 5090] set_robust_list(0x55555f14f660, 24) = 0 [pid 5090] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5090] setsid() = 1 [pid 5090] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5090] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5090] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5090] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5090] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5090] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5090] unshare(CLONE_NEWNS) = 0 [pid 5090] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5090] unshare(CLONE_NEWIPC) = 0 [pid 5090] unshare(CLONE_NEWCGROUP) = 0 [pid 5090] unshare(CLONE_NEWUTS) = 0 [pid 5090] unshare(CLONE_SYSVSEM) = 0 [pid 5090] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "16777216", 8) = 8 [pid 5090] close(3) = 0 [pid 5090] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "536870912", 9) = 9 [pid 5090] close(3) = 0 [pid 5090] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "1024", 4) = 4 [pid 5090] close(3) = 0 [pid 5090] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "8192", 4) = 4 [pid 5090] close(3) = 0 [pid 5090] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "1024", 4) = 4 [pid 5090] close(3) = 0 [pid 5090] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "1024", 4) = 4 [pid 5090] close(3) = 0 [pid 5090] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5090] close(3) = 0 [pid 5090] getpid() = 1 [pid 5090] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<) = 0 [pid 5090] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5102 attached [pid 5102] set_robust_list(0x55555f14f660, 24 [pid 5090] <... clone resumed>, child_tidptr=0x55555f14f650) = 3 [pid 5102] <... set_robust_list resumed>) = 0 [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5102] setpgid(0, 0) = 0 [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5102] write(3, "1000", 4) = 4 [pid 5102] close(3) = 0 [pid 5102] socket(AF_PACKET, SOCK_RAW, htons(0 /* ETH_P_??? */)) = 3 [pid 5102] ioctl(3, SIOCGIFINDEX, {ifr_name="team0", ifr_ifindex=15}) = 0 [pid 5102] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 5102] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\xc8\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\x98\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\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=200}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 200 [pid 5102] close(3) = 0 [pid 5090] kill(-3, SIGKILL [pid 5102] close(4) = ? [pid 5090] <... kill resumed>) = 0 [pid 5102] +++ killed by SIGKILL +++ [pid 5090] kill(3, SIGKILL) = 0 [pid 5090] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 5090] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555f14f650) = 4 ./strace-static-x86_64: Process 5104 attached [pid 5104] set_robust_list(0x55555f14f660, 24) = 0 [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5104] setpgid(0, 0) = 0 [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5104] write(3, "1000", 4) = 4 [pid 5104] close(3) = 0 [pid 5104] socket(AF_PACKET, SOCK_RAW, htons(0 /* ETH_P_??? */)) = 3 [pid 5104] ioctl(3, SIOCGIFINDEX, {ifr_name="team0", ifr_ifindex=15}) = 0 [pid 5104] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [ 96.665013][ T784] cfg80211: failed to load regulatory.db [pid 5104] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\xc8\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\x98\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\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=200}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 200 [pid 5104] close(3) = 0 [pid 5104] close(4) = 0 [pid 5104] close(5) = -1 EBADF (Bad file descriptor) [pid 5104] close(6) = -1 EBADF (Bad file descriptor) [pid 5104] close(7) = -1 EBADF (Bad file descriptor) [pid 5104] close(8) = -1 EBADF (Bad file descriptor) [pid 5104] close(9) = -1 EBADF (Bad file descriptor) [pid 5104] close(10) = -1 EBADF (Bad file descriptor) [pid 5104] close(11) = -1 EBADF (Bad file descriptor) [pid 5104] close(12) = -1 EBADF (Bad file descriptor) [pid 5104] close(13) = -1 EBADF (Bad file descriptor) [pid 5104] close(14) = -1 EBADF (Bad file descriptor) [pid 5104] close(15) = -1 EBADF (Bad file descriptor) [pid 5104] close(16) = -1 EBADF (Bad file descriptor) [pid 5104] close(17) = -1 EBADF (Bad file descriptor) [pid 5104] close(18) = -1 EBADF (Bad file descriptor) [pid 5104] close(19) = -1 EBADF (Bad file descriptor) [pid 5104] close(20) = -1 EBADF (Bad file descriptor) [pid 5104] close(21) = -1 EBADF (Bad file descriptor) [pid 5104] close(22) = -1 EBADF (Bad file descriptor) [pid 5104] close(23) = -1 EBADF (Bad file descriptor) [pid 5104] close(24) = -1 EBADF (Bad file descriptor) [pid 5104] close(25) = -1 EBADF (Bad file descriptor) [pid 5104] close(26) = -1 EBADF (Bad file descriptor) [pid 5104] close(27) = -1 EBADF (Bad file descriptor) [pid 5104] close(28) = -1 EBADF (Bad file descriptor) [pid 5104] close(29) = -1 EBADF (Bad file descriptor) [pid 5104] exit_group(0) = ? [pid 5104] +++ exited with 0 +++ [pid 5090] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5090] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555f14f650) = 5 ./strace-static-x86_64: Process 5105 attached [pid 5105] set_robust_list(0x55555f14f660, 24) = 0 [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5105] setpgid(0, 0) = 0 [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5105] write(3, "1000", 4) = 4 [pid 5105] close(3) = 0 [pid 5105] socket(AF_PACKET, SOCK_RAW, htons(0 /* ETH_P_??? */)) = 3 [pid 5105] ioctl(3, SIOCGIFINDEX, {ifr_name="team0", ifr_ifindex=15}) = 0 [pid 5105] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 5105] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\xc8\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\x98\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\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=200}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 200 [pid 5105] close(3 [pid 5090] kill(-5, SIGKILL) = 0 [pid 5090] kill(5, SIGKILL) = 0 [pid 5090] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5090] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5090] getdents64(3, 0x55555f1506f0 /* 2 entries */, 32768) = 48 [pid 5090] getdents64(3, 0x55555f1506f0 /* 0 entries */, 32768) = 0 [pid 5090] close(3) = 0 [ 123.769009][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2689 jiffies s: 581 root: 0x2/. [ 123.781670][ T18] rcu: blocking rcu_node structures (internal RCU debug): [ 123.788830][ T18] Sending NMI from CPU 0 to CPUs 1: [ 123.794145][ C1] NMI backtrace for cpu 1 [ 123.794158][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.9.0-rc7-syzkaller-00012-gdccb07f2914c #0 [ 123.794176][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 123.794186][ C1] RIP: 0010:do_raw_spin_lock+0x74/0x370 [ 123.794236][ C1] Code: ae 8d 48 c7 44 24 50 a0 e5 73 81 48 8d 74 24 40 48 c1 ee 03 48 b8 f1 f1 f1 f1 04 f3 f3 f3 48 89 f1 48 89 74 24 38 48 89 04 16 <48> 8d 5f 04 48 89 d8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 f6 01 00 [ 123.794250][ C1] RSP: 0018:ffffc90000a08ba0 EFLAGS: 00000802 [ 123.794266][ C1] RAX: f3f3f304f1f1f1f1 RBX: ffff88801ed94036 RCX: 1ffff9200014117c [ 123.794280][ C1] RDX: dffffc0000000000 RSI: 1ffff9200014117c RDI: ffff88804266a2e8 [ 123.794293][ C1] RBP: ffffc90000a08c80 R08: ffffffff92f355e7 R09: 1ffffffff25e6abc [ 123.794306][ C1] R10: dffffc0000000000 R11: fffffbfff25e6abd R12: ffff88804266a2e8 [ 123.794319][ C1] R13: ffffffff898a3ad0 R14: ffff88804266a340 R15: ffff8880172c64c0 [ 123.794332][ C1] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 123.794347][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 123.794359][ C1] CR2: 00007fada9fbf3b0 CR3: 000000007a6f0000 CR4: 00000000003506f0 [ 123.794375][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 123.794385][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 123.794395][ C1] Call Trace: [ 123.794403][ C1] [ 123.794411][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 123.794436][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 123.794456][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 123.794474][ C1] ? nmi_handle+0x2a/0x5a0 [ 123.794501][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 123.794524][ C1] ? nmi_handle+0x14f/0x5a0 [ 123.794542][ C1] ? nmi_handle+0x2a/0x5a0 [ 123.794561][ C1] ? do_raw_spin_lock+0x74/0x370 [ 123.794585][ C1] ? default_do_nmi+0x63/0x160 [ 123.794605][ C1] ? exc_nmi+0x123/0x1f0 [ 123.794623][ C1] ? end_repeat_nmi+0xf/0x53 [ 123.794646][ C1] ? __pfx_advance_sched+0x10/0x10 [ 123.794676][ C1] ? do_raw_spin_lock+0x74/0x370 [ 123.794702][ C1] ? do_raw_spin_lock+0x74/0x370 [ 123.794728][ C1] ? do_raw_spin_lock+0x74/0x370 [ 123.794753][ C1] [ 123.794759][ C1] [ 123.794765][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 123.794793][ C1] ? __hrtimer_run_queues+0x481/0xd50 [ 123.794818][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 123.794847][ C1] ? __pfx_advance_sched+0x10/0x10 [ 123.794867][ C1] ? __pfx_advance_sched+0x10/0x10 [ 123.794887][ C1] advance_sched+0xab/0xca0 [ 123.794909][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 123.794935][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 123.794967][ C1] ? __pfx_advance_sched+0x10/0x10 [ 123.794987][ C1] __hrtimer_run_queues+0x5a5/0xd50 [ 123.795022][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 123.795051][ C1] ? ktime_get_update_offsets_now+0x411/0x430 [ 123.795075][ C1] hrtimer_interrupt+0x396/0x990 [ 123.795112][ C1] __sysvec_apic_timer_interrupt+0x110/0x3f0 [ 123.795142][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 123.795166][ C1] [ 123.795171][ C1] [ 123.795177][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 123.795199][ C1] RIP: 0010:acpi_safe_halt+0x21/0x30 [ 123.795217][ C1] Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 c0 d3 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d 85 e7 a8 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 [ 123.795230][ C1] RSP: 0018:ffffc90000197d08 EFLAGS: 00000246 [ 123.795245][ C1] RAX: ffff8880172c5a00 RBX: ffff888017aed064 RCX: 000000000001c541 [ 123.795257][ C1] RDX: 0000000000000001 RSI: ffff888017aed000 RDI: ffff888017aed064 [ 123.795269][ C1] RBP: 000000000003a478 R08: ffff8880b9537ccb R09: 1ffff110172a6f99 [ 123.795281][ C1] R10: dffffc0000000000 R11: ffffffff8b805ff0 R12: ffff888019ba9800 [ 123.795294][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8eac3c20 [ 123.795308][ C1] ? __pfx_acpi_idle_enter+0x10/0x10 [ 123.795331][ C1] acpi_idle_enter+0xe4/0x140 [ 123.795349][ C1] cpuidle_enter_state+0x112/0x480 [ 123.795375][ C1] ? __pfx_menu_select+0x10/0x10 [ 123.795397][ C1] cpuidle_enter+0x5d/0xa0 [ 123.795425][ C1] do_idle+0x375/0x5d0 [ 123.795444][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 123.795467][ C1] ? __pfx_do_idle+0x10/0x10 [ 123.795484][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 123.795517][ C1] cpu_startup_entry+0x42/0x60 [ 123.795537][ C1] start_secondary+0x100/0x100 [ 123.795586][ C1] common_startup_64+0x13e/0x147 [ 123.795615][ C1] [ 123.795623][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.478 msecs