./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor309489537 <...> Warning: Permanently added '10.128.1.87' (ECDSA) to the list of known hosts. execve("./syz-executor309489537", ["./syz-executor309489537"], 0x7ffc73603050 /* 10 vars */) = 0 brk(NULL) = 0x555556197000 brk(0x555556197c40) = 0x555556197c40 arch_prctl(ARCH_SET_FS, 0x555556197300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor309489537", 4096) = 27 brk(0x5555561b8c40) = 0x5555561b8c40 brk(0x5555561b9000) = 0x5555561b9000 mprotect(0x7f0b80c4c000, 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=0x5555561975d0) = 3501 ./strace-static-x86_64: Process 3501 attached [pid 3501] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3501] setsid() = 1 [pid 3501] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3501] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3501] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3501] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3501] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3501] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3501] unshare(CLONE_NEWNS) = 0 [pid 3501] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3501] unshare(CLONE_NEWIPC) = 0 [pid 3501] unshare(CLONE_NEWCGROUP) = 0 [pid 3501] unshare(CLONE_NEWUTS) = 0 [pid 3501] unshare(CLONE_SYSVSEM) = 0 [pid 3501] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3501] write(3, "16777216", 8) = 8 [pid 3501] close(3) = 0 [pid 3501] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3501] write(3, "536870912", 9) = 9 [pid 3501] close(3) = 0 [pid 3501] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3501] write(3, "1024", 4) = 4 [pid 3501] close(3) = 0 [pid 3501] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3501] write(3, "8192", 4) = 4 [pid 3501] close(3) = 0 [pid 3501] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3501] write(3, "1024", 4) = 4 [pid 3501] close(3) = 0 [pid 3501] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3501] write(3, "1024", 4) = 4 [pid 3501] close(3) = 0 [pid 3501] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3501] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3501] close(3) = 0 [pid 3501] getpid() = 1 [pid 3501] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 146.153926][ T3526] dump_stack_lvl+0x1c8/0x256 [ 146.158723][ T3526] dump_stack+0x1a/0x1f [ 146.163018][ T3526] panic+0x4d3/0xc64 [ 146.167025][ T3526] ? add_taint+0x104/0x1a0 [ 146.171547][ T3526] kmsan_report+0x2ca/0x2d0 [ 146.176203][ T3526] ? is_module_text_address+0x3e5/0x670 [ 146.181916][ T3526] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 146.187904][ T3526] ? kmsan_internal_check_memory+0x472/0x530 [ 146.194064][ T3526] ? kmsan_handle_skb+0x2a/0x60 [ 146.199056][ T3526] ? xmit_one+0x100/0x5f0 [ 146.203531][ T3526] ? dev_hard_start_xmit+0xe5/0x370 [ 146.208885][ T3526] ? __dev_queue_xmit+0x1dec/0x31f0 [ 146.214222][ T3526] ? __netlink_deliver_tap+0x7f6/0xca0 [ 146.219758][ T3526] ? netlink_unicast+0x10fb/0x1270 [ 146.224994][ T3526] ? netlink_sendmsg+0x127d/0x1430 [ 146.230262][ T3526] ? __sys_sendto+0x7f2/0xa60 [ 146.235067][ T3526] ? __x64_sys_sendto+0x121/0x1c0 [ 146.240190][ T3526] ? do_syscall_64+0x3d/0xb0 [ 146.244907][ T3526] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 146.251061][ T3526] ? kernel_text_address+0x11d/0x1a0 [ 146.256468][ T3526] ? kmsan_internal_set_shadow_origin+0x62/0xe0 [ 146.262813][ T3526] ? __this_cpu_preempt_check+0x13/0x20 [ 146.268464][ T3526] ? sysvec_apic_timer_interrupt+0x55/0xc0 [ 146.274375][ T3526] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 146.280646][ T3526] ? netif_skb_features+0xd20/0x1330 [ 146.286068][ T3526] ? __dev_queue_xmit+0x1d42/0x31f0 [ 146.291365][ T3526] kmsan_internal_check_memory+0x472/0x530 [ 146.297280][ T3526] kmsan_handle_skb+0x2a/0x60 [ 146.302068][ T3526] xmit_one+0x100/0x5f0 [ 146.306390][ T3526] dev_hard_start_xmit+0xe5/0x370 [ 146.311571][ T3526] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 146.317557][ T3526] __dev_queue_xmit+0x1dec/0x31f0 [ 146.322746][ T3526] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 146.328659][ T3526] __netlink_deliver_tap+0x7f6/0xca0 [ 146.334048][ T3526] netlink_unicast+0x10fb/0x1270 [ 146.339148][ T3526] netlink_sendmsg+0x127d/0x1430 [ 146.344224][ T3526] ? netlink_getsockopt+0x13b0/0x13b0 [ 146.349677][ T3526] __sys_sendto+0x7f2/0xa60 [ 146.354301][ T3526] ? preempt_count_sub+0x7d/0x280 [ 146.359474][ T3526] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 146.365399][ T3526] __x64_sys_sendto+0x121/0x1c0 [ 146.370361][ T3526] do_syscall_64+0x3d/0xb0 [ 146.374919][ T3526] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 146.380899][ T3526] RIP: 0033:0x7f0b80bd8ac9 [ 146.385371][ T3526] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 146.405107][ T3526] RSP: 002b:00007ffca9f0b5c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 146.413651][ T3526] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0b80bd8ac9 [ 146.421704][ T3526] RDX: 0000000000010a73 RSI: 0000000020000000 RDI: 0000000000000003 [ 146.429769][ T3526] RBP: 0000000000000000 R08: 0000000000000000 R09: 4b6ae4f95a5de35b [ 146.437803][ T3526] R10: 0000000000000800 R11: 0000000000000246 R12: 00007ffca9f0b5f0 [ 146.445855][ T3526] R13: 00000000000f4240 R14: 0000000000000000 R15: 0000000000000000 [ 146.453964][ T3526] [ 146.457227][ T3526] Kernel Offset: disabled [ 146.461605][ T3526] Rebooting in 86400 seconds..