./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2280440078 <...> Warning: Permanently added '10.128.0.80' (ED25519) to the list of known hosts. execve("./syz-executor2280440078", ["./syz-executor2280440078"], 0x7fffd73b56e0 /* 10 vars */) = 0 brk(NULL) = 0x5555655d8000 brk(0x5555655d8d00) = 0x5555655d8d00 arch_prctl(ARCH_SET_FS, 0x5555655d8380) = 0 set_tid_address(0x5555655d8650) = 5090 set_robust_list(0x5555655d8660, 24) = 0 rseq(0x5555655d8ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2280440078", 4096) = 28 getrandom("\xa5\xee\x7b\x8b\xea\xbc\xf6\xe1", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555655d8d00 brk(0x5555655f9d00) = 0x5555655f9d00 brk(0x5555655fa000) = 0x5555655fa000 mprotect(0x7f278ace3000, 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=0x5555655d8650) = 5091 ./strace-static-x86_64: Process 5091 attached [pid 5091] set_robust_list(0x5555655d8660, 24) = 0 [pid 5091] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5091] setsid() = 1 [pid 5091] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5091] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5091] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5091] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5091] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5091] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5091] unshare(CLONE_NEWNS) = 0 [pid 5091] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5091] unshare(CLONE_NEWIPC) = 0 [pid 5091] unshare(CLONE_NEWCGROUP) = 0 [pid 5091] unshare(CLONE_NEWUTS) = 0 [pid 5091] unshare(CLONE_SYSVSEM) = 0 [pid 5091] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5091] write(3, "16777216", 8) = 8 [pid 5091] close(3) = 0 [pid 5091] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5091] write(3, "536870912", 9) = 9 [pid 5091] close(3) = 0 [pid 5091] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5091] write(3, "1024", 4) = 4 [pid 5091] close(3) = 0 [pid 5091] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5091] write(3, "8192", 4) = 4 [pid 5091] close(3) = 0 [pid 5091] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5091] write(3, "1024", 4) = 4 [pid 5091] close(3) = 0 [pid 5091] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5091] write(3, "1024", 4) = 4 [pid 5091] close(3) = 0 [pid 5091] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5091] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5091] close(3) = 0 [pid 5091] getpid() = 1 [pid 5091] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5102] +++ killed by SIGKILL +++ [pid 5091] <... kill resumed>) = 0 [pid 5091] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=2, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5091] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5103 attached [pid 5103] set_robust_list(0x5555655d8660, 24 [pid 5091] <... clone resumed>, child_tidptr=0x5555655d8650) = 3 [pid 5103] <... set_robust_list resumed>) = 0 [pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5103] setpgid(0, 0) = 0 [pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5103] write(3, "1000", 4) = 4 [pid 5103] close(3) = 0 [pid 5103] write(1, "executing program\n", 18executing program ) = 18 [pid 5103] socket(AF_PACKET, SOCK_RAW, htons(0 /* ETH_P_??? */)) = 3 [pid 5103] ioctl(3, SIOCGIFINDEX, {ifr_name="team0", ifr_ifindex=15}) = 0 [pid 5103] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 5103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x01\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\xf8\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=296}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 296 [pid 5103] close(3) = 0 [pid 5103] close(4) = 0 [ 80.409677][ T783] cfg80211: failed to load regulatory.db [ 122.382690][ T19] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2663 jiffies s: 629 root: 0x2/. [ 122.395271][ T19] rcu: blocking rcu_node structures (internal RCU debug): [ 122.403434][ T19] Sending NMI from CPU 0 to CPUs 1: [ 122.408659][ C1] NMI backtrace for cpu 1 [ 122.408672][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.9.0-syzkaller-08544-g4b377b4868ef #0 [ 122.408688][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 122.408697][ C1] RIP: 0010:kasan_check_range+0x86/0x290 [ 122.408736][ C1] Code: 00 fc ff df 4f 8d 3c 31 4c 89 fd 4c 29 dd 48 83 fd 10 7f 29 48 85 ed 0f 84 3e 01 00 00 4c 89 cd 48 f7 d5 48 01 dd 41 80 3b 00 <0f> 85 c9 01 00 00 49 ff c3 48 ff c5 75 ee e9 1e 01 00 00 45 89 dc [ 122.408748][ C1] RSP: 0018:ffffc90000a18bf0 EFLAGS: 00000046 [ 122.408762][ C1] RAX: 0000000000000001 RBX: 1ffff1100544e65d RCX: ffffffff8173e0a8 [ 122.408773][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88802a2732e8 [ 122.408783][ C1] RBP: ffffffffffffffff R08: ffff88802a2732eb R09: 1ffff1100544e65d [ 122.408794][ C1] R10: dffffc0000000000 R11: ffffed100544e65d R12: dffffc0000000000 [ 122.408805][ C1] R13: ffff88802a1db008 R14: dffffc0000000001 R15: ffffed100544e65e [ 122.408817][ C1] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 122.408830][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 122.408841][ C1] CR2: 0000000020000600 CR3: 00000000777f2000 CR4: 00000000003506f0 [ 122.408854][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 122.408863][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 122.408873][ C1] Call Trace: [ 122.408880][ C1] [ 122.408886][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 122.408907][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 122.408925][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 122.408940][ C1] ? nmi_handle+0x2a/0x5a0 [ 122.408968][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 122.408985][ C1] ? nmi_handle+0x14f/0x5a0 [ 122.409003][ C1] ? nmi_handle+0x2a/0x5a0 [ 122.409023][ C1] ? kasan_check_range+0x86/0x290 [ 122.409040][ C1] ? default_do_nmi+0x63/0x160 [ 122.409056][ C1] ? exc_nmi+0x123/0x1f0 [ 122.409071][ C1] ? end_repeat_nmi+0xf/0x53 [ 122.409093][ C1] ? do_raw_spin_unlock+0x58/0x8b0 [ 122.409113][ C1] ? kasan_check_range+0x86/0x290 [ 122.409130][ C1] ? kasan_check_range+0x86/0x290 [ 122.409148][ C1] ? kasan_check_range+0x86/0x290 [ 122.409165][ C1] [ 122.409170][ C1] [ 122.409177][ C1] do_raw_spin_unlock+0x58/0x8b0 [ 122.409196][ C1] ? taprio_set_budgets+0x32c/0x370 [ 122.409219][ C1] _raw_spin_unlock+0x1e/0x50 [ 122.409239][ C1] advance_sched+0x9b4/0xca0 [ 122.409265][ C1] ? __pfx_advance_sched+0x10/0x10 [ 122.409289][ C1] __hrtimer_run_queues+0x5a5/0xd50 [ 122.409317][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 122.409336][ C1] ? ktime_get_update_offsets_now+0x22d/0x250 [ 122.409356][ C1] hrtimer_interrupt+0x396/0x990 [ 122.409386][ C1] __sysvec_apic_timer_interrupt+0x110/0x3f0 [ 122.409408][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 122.409426][ C1] [ 122.409431][ C1] [ 122.409436][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 122.409455][ C1] RIP: 0010:acpi_safe_halt+0x21/0x30 [ 122.409469][ C1] Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 80 d3 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d 45 fd a0 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 [ 122.409480][ C1] RSP: 0018:ffffc900001a7d08 EFLAGS: 00000246 [ 122.409493][ C1] RAX: ffff8880176e8000 RBX: ffff88801b2dc864 RCX: 0000000000021c49 [ 122.409504][ C1] RDX: 0000000000000001 RSI: ffff88801b2dc800 RDI: ffff88801b2dc864 [ 122.409514][ C1] RBP: 000000000003a438 R08: ffff8880b9537d0b R09: 1ffff110172a6fa1 [ 122.409525][ C1] R10: dffffc0000000000 R11: ffffffff8b883870 R12: ffff88801a304800 [ 122.409535][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8eac6be0 [ 122.409547][ C1] ? __pfx_acpi_idle_enter+0x10/0x10 [ 122.409567][ C1] acpi_idle_enter+0xe4/0x140 [ 122.409582][ C1] cpuidle_enter_state+0x112/0x480 [ 122.409602][ C1] ? __pfx_menu_select+0x10/0x10 [ 122.409625][ C1] cpuidle_enter+0x5d/0xa0 [ 122.409641][ C1] do_idle+0x375/0x5d0 [ 122.409661][ C1] ? __pfx_do_idle+0x10/0x10 [ 122.409684][ C1] cpu_startup_entry+0x42/0x60 [ 122.409700][ C1] start_secondary+0x100/0x100 [ 122.409716][ C1] common_startup_64+0x13e/0x147 [ 122.409739][ C1] [ 122.409746][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.087 msecs