// https://syzkaller.appspot.com/bug?id=ab136f1e51bcdf545b941b75c5d4215c6c2e3353 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static __thread int skip_segv; static __thread jmp_buf segv_env; static void segv_handler(int sig, siginfo_t* info, void* ctx) { uintptr_t addr = (uintptr_t)info->si_addr; const uintptr_t prog_start = 1 << 20; const uintptr_t prog_end = 100 << 20; if (__atomic_load_n(&skip_segv, __ATOMIC_RELAXED) && (addr < prog_start || addr > prog_end)) { _longjmp(segv_env, 1); } exit(sig); } static void install_segv_handler(void) { struct sigaction sa; memset(&sa, 0, sizeof(sa)); sa.sa_handler = SIG_IGN; syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8); syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8); memset(&sa, 0, sizeof(sa)); sa.sa_sigaction = segv_handler; sa.sa_flags = SA_NODEFER | SA_SIGINFO; sigaction(SIGSEGV, &sa, NULL); sigaction(SIGBUS, &sa, NULL); } #define NONFAILING(...) \ { \ __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST); \ if (_setjmp(segv_env) == 0) { \ __VA_ARGS__; \ } \ __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST); \ } static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } static void use_temporary_dir(void) { char tmpdir_template[] = "./syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); if (pthread_create(&th, &attr, fn, arg)) exit(1); pthread_attr_destroy(&attr); } typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); syscall(SYS_futex, &ev->state, FUTEX_WAKE | FUTEX_PRIVATE_FLAG); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, 0); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout) { uint64_t start = current_time_ms(); uint64_t now = start; for (;;) { uint64_t remain = timeout - (now - start); struct timespec ts; ts.tv_sec = remain / 1000; ts.tv_nsec = (remain % 1000) * 1000 * 1000; syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, &ts); if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED)) return 1; now = current_time_ms(); if (now - start > timeout) return 0; } } static void vsnprintf_check(char* str, size_t size, const char* format, va_list args) { int rv; rv = vsnprintf(str, size, format, args); if (rv < 0) exit(1); if ((size_t)rv >= size) exit(1); } #define COMMAND_MAX_LEN 128 #define PATH_PREFIX \ "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin " #define PATH_PREFIX_LEN (sizeof(PATH_PREFIX) - 1) static void execute_command(bool panic, const char* format, ...) { va_list args; char command[PATH_PREFIX_LEN + COMMAND_MAX_LEN]; int rv; va_start(args, format); memcpy(command, PATH_PREFIX, PATH_PREFIX_LEN); vsnprintf_check(command + PATH_PREFIX_LEN, COMMAND_MAX_LEN, format, args); va_end(args); rv = system(command); if (rv) { if (panic) exit(1); } } static int tunfd = -1; static int tun_frags_enabled; #define SYZ_TUN_MAX_PACKET_SIZE 1000 #define TUN_IFACE "syz_tun" #define LOCAL_MAC "aa:aa:aa:aa:aa:aa" #define REMOTE_MAC "aa:aa:aa:aa:aa:bb" #define LOCAL_IPV4 "172.20.20.170" #define REMOTE_IPV4 "172.20.20.187" #define LOCAL_IPV6 "fe80::aa" #define REMOTE_IPV6 "fe80::bb" #define IFF_NAPI 0x0010 #define IFF_NAPI_FRAGS 0x0020 static void initialize_tun(void) { tunfd = open("/dev/net/tun", O_RDWR | O_NONBLOCK); if (tunfd == -1) { printf("tun: can't open /dev/net/tun: please enable CONFIG_TUN=y\n"); printf("otherwise fuzzing or reproducing might not work as intended\n"); return; } const int kTunFd = 240; if (dup2(tunfd, kTunFd) < 0) exit(1); close(tunfd); tunfd = kTunFd; struct ifreq ifr; memset(&ifr, 0, sizeof(ifr)); strncpy(ifr.ifr_name, TUN_IFACE, IFNAMSIZ); ifr.ifr_flags = IFF_TAP | IFF_NO_PI | IFF_NAPI | IFF_NAPI_FRAGS; if (ioctl(tunfd, TUNSETIFF, (void*)&ifr) < 0) { ifr.ifr_flags = IFF_TAP | IFF_NO_PI; if (ioctl(tunfd, TUNSETIFF, (void*)&ifr) < 0) exit(1); } if (ioctl(tunfd, TUNGETIFF, (void*)&ifr) < 0) exit(1); tun_frags_enabled = (ifr.ifr_flags & IFF_NAPI_FRAGS) != 0; execute_command(0, "sysctl -w net.ipv6.conf.%s.accept_dad=0", TUN_IFACE); execute_command(0, "sysctl -w net.ipv6.conf.%s.router_solicitations=0", TUN_IFACE); execute_command(1, "ip link set dev %s address %s", TUN_IFACE, LOCAL_MAC); execute_command(1, "ip addr add %s/24 dev %s", LOCAL_IPV4, TUN_IFACE); execute_command(1, "ip neigh add %s lladdr %s dev %s nud permanent", REMOTE_IPV4, REMOTE_MAC, TUN_IFACE); execute_command(0, "ip -6 addr add %s/120 dev %s", LOCAL_IPV6, TUN_IFACE); execute_command(0, "ip -6 neigh add %s lladdr %s dev %s nud permanent", REMOTE_IPV6, REMOTE_MAC, TUN_IFACE); execute_command(1, "ip link set dev %s up", TUN_IFACE); } #define DEV_IPV4 "172.20.20.%d" #define DEV_IPV6 "fe80::%02hx" #define DEV_MAC "aa:aa:aa:aa:aa:%02hx" static void snprintf_check(char* str, size_t size, const char* format, ...) { va_list args; va_start(args, format); vsnprintf_check(str, size, format, args); va_end(args); } static void initialize_netdevices(void) { unsigned i; const char* devtypes[] = {"ip6gretap", "bridge", "vcan", "bond", "team"}; const char* devnames[] = {"lo", "sit0", "bridge0", "vcan0", "tunl0", "gre0", "gretap0", "ip_vti0", "ip6_vti0", "ip6tnl0", "ip6gre0", "ip6gretap0", "erspan0", "bond0", "veth0", "veth1", "team0", "veth0_to_bridge", "veth1_to_bridge", "veth0_to_bond", "veth1_to_bond", "veth0_to_team", "veth1_to_team"}; const char* devmasters[] = {"bridge", "bond", "team"}; for (i = 0; i < sizeof(devtypes) / (sizeof(devtypes[0])); i++) execute_command(0, "ip link add dev %s0 type %s", devtypes[i], devtypes[i]); execute_command(0, "ip link add type veth"); for (i = 0; i < sizeof(devmasters) / (sizeof(devmasters[0])); i++) { execute_command( 0, "ip link add name %s_slave_0 type veth peer name veth0_to_%s", devmasters[i], devmasters[i]); execute_command( 0, "ip link add name %s_slave_1 type veth peer name veth1_to_%s", devmasters[i], devmasters[i]); execute_command(0, "ip link set %s_slave_0 master %s0", devmasters[i], devmasters[i]); execute_command(0, "ip link set %s_slave_1 master %s0", devmasters[i], devmasters[i]); execute_command(0, "ip link set veth0_to_%s up", devmasters[i]); execute_command(0, "ip link set veth1_to_%s up", devmasters[i]); } execute_command(0, "ip link set bridge_slave_0 up"); execute_command(0, "ip link set bridge_slave_1 up"); for (i = 0; i < sizeof(devnames) / (sizeof(devnames[0])); i++) { char addr[32]; snprintf_check(addr, sizeof(addr), DEV_IPV4, i + 10); execute_command(0, "ip -4 addr add %s/24 dev %s", addr, devnames[i]); snprintf_check(addr, sizeof(addr), DEV_IPV6, i + 10); execute_command(0, "ip -6 addr add %s/120 dev %s", addr, devnames[i]); snprintf_check(addr, sizeof(addr), DEV_MAC, i + 10); execute_command(0, "ip link set dev %s address %s", devnames[i], addr); execute_command(0, "ip link set dev %s up", devnames[i]); } } static void setup_common() { if (mount(0, "/sys/fs/fuse/connections", "fusectl", 0, 0)) { } } static void loop(); static void sandbox_common() { prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0); setpgrp(); setsid(); struct rlimit rlim; rlim.rlim_cur = rlim.rlim_max = 160 << 20; setrlimit(RLIMIT_AS, &rlim); rlim.rlim_cur = rlim.rlim_max = 8 << 20; setrlimit(RLIMIT_MEMLOCK, &rlim); rlim.rlim_cur = rlim.rlim_max = 136 << 20; setrlimit(RLIMIT_FSIZE, &rlim); rlim.rlim_cur = rlim.rlim_max = 1 << 20; setrlimit(RLIMIT_STACK, &rlim); rlim.rlim_cur = rlim.rlim_max = 0; setrlimit(RLIMIT_CORE, &rlim); rlim.rlim_cur = rlim.rlim_max = 256; setrlimit(RLIMIT_NOFILE, &rlim); if (unshare(CLONE_NEWNS)) { } if (unshare(CLONE_NEWIPC)) { } if (unshare(0x02000000)) { } if (unshare(CLONE_NEWUTS)) { } if (unshare(CLONE_SYSVSEM)) { } } int wait_for_loop(int pid) { if (pid < 0) exit(1); int status = 0; while (waitpid(-1, &status, __WALL) != pid) { } return WEXITSTATUS(status); } static int do_sandbox_none(void) { if (unshare(CLONE_NEWPID)) { } int pid = fork(); if (pid != 0) return wait_for_loop(pid); setup_common(); sandbox_common(); if (unshare(CLONE_NEWNET)) { } initialize_tun(); initialize_netdevices(); loop(); exit(1); } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void loop(void) { int i, call, thread; int collide = 0; again: for (call = 0; call < 5; call++) { for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); thread++) { struct thread_t* th = &threads[thread]; if (!th->created) { th->created = 1; event_init(&th->ready); event_init(&th->done); event_set(&th->done); thread_start(thr, th); } if (!event_isset(&th->done)) continue; event_reset(&th->done); th->call = call; __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); event_set(&th->ready); if (collide && (call % 2) == 0) break; event_timedwait(&th->done, 45); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); if (!collide) { collide = 1; goto again; } } uint64_t r[1] = {0xffffffffffffffff}; void execute_call(int call) { long res; switch (call) { case 0: NONFAILING(memcpy((void*)0x20000000, "/dev/uinput", 12)); res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000000, 0x805, 0); if (res != -1) r[0] = res; break; case 1: NONFAILING(*(uint16_t*)0x20000040 = 0x2f); NONFAILING(*(uint32_t*)0x20000044 = 0); NONFAILING(*(uint32_t*)0x20000048 = 0); NONFAILING(*(uint32_t*)0x2000004c = 0); NONFAILING(*(uint32_t*)0x20000050 = 0); NONFAILING(*(uint32_t*)0x20000054 = 0); NONFAILING(*(uint32_t*)0x20000058 = 0); syscall(__NR_ioctl, r[0], 0x401c5504, 0x20000040); break; case 2: syscall(__NR_ioctl, r[0], 0x40045564, 3); break; case 3: NONFAILING(memcpy((void*)0x20000540, "\x73\x79\x7a\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 80)); NONFAILING(*(uint16_t*)0x20000590 = 0); NONFAILING(*(uint16_t*)0x20000592 = 0xe4b9); NONFAILING(*(uint16_t*)0x20000594 = 6); NONFAILING(*(uint16_t*)0x20000596 = 8); NONFAILING(*(uint32_t*)0x20000598 = 0x54); NONFAILING(*(uint32_t*)0x2000059c = 2); NONFAILING(*(uint32_t*)0x200005a0 = 0x107); NONFAILING(*(uint32_t*)0x200005a4 = 5); NONFAILING(*(uint32_t*)0x200005a8 = 0x884); NONFAILING(*(uint32_t*)0x200005ac = 5); NONFAILING(*(uint32_t*)0x200005b0 = 0xd5); NONFAILING(*(uint32_t*)0x200005b4 = 0xfff); NONFAILING(*(uint32_t*)0x200005b8 = 0xfffffff9); NONFAILING(*(uint32_t*)0x200005bc = 0x200); NONFAILING(*(uint32_t*)0x200005c0 = 0); NONFAILING(*(uint32_t*)0x200005c4 = 3); NONFAILING(*(uint32_t*)0x200005c8 = 7); NONFAILING(*(uint32_t*)0x200005cc = 8); NONFAILING(*(uint32_t*)0x200005d0 = 7); NONFAILING(*(uint32_t*)0x200005d4 = 5); NONFAILING(*(uint32_t*)0x200005d8 = 6); NONFAILING(*(uint32_t*)0x200005dc = 5); NONFAILING(*(uint32_t*)0x200005e0 = 6); NONFAILING(*(uint32_t*)0x200005e4 = 0x200); NONFAILING(*(uint32_t*)0x200005e8 = 0x97); NONFAILING(*(uint32_t*)0x200005ec = 3); NONFAILING(*(uint32_t*)0x200005f0 = 0x1cb); NONFAILING(*(uint32_t*)0x200005f4 = 7); NONFAILING(*(uint32_t*)0x200005f8 = 0x80000000); NONFAILING(*(uint32_t*)0x200005fc = 0x3bc); NONFAILING(*(uint32_t*)0x20000600 = 0x7b5970f7); NONFAILING(*(uint32_t*)0x20000604 = 7); NONFAILING(*(uint32_t*)0x20000608 = 0x1ff); NONFAILING(*(uint32_t*)0x2000060c = 0xca7); NONFAILING(*(uint32_t*)0x20000610 = 0x80000000); NONFAILING(*(uint32_t*)0x20000614 = 4); NONFAILING(*(uint32_t*)0x20000618 = 0x81); NONFAILING(*(uint32_t*)0x2000061c = 0x100); NONFAILING(*(uint32_t*)0x20000620 = 1); NONFAILING(*(uint32_t*)0x20000624 = 0xfffffeff); NONFAILING(*(uint32_t*)0x20000628 = 6); NONFAILING(*(uint32_t*)0x2000062c = 2); NONFAILING(*(uint32_t*)0x20000630 = 0xffff); NONFAILING(*(uint32_t*)0x20000634 = 8); NONFAILING(*(uint32_t*)0x20000638 = 4); NONFAILING(*(uint32_t*)0x2000063c = 5); NONFAILING(*(uint32_t*)0x20000640 = 0x81); NONFAILING(*(uint32_t*)0x20000644 = 6); NONFAILING(*(uint32_t*)0x20000648 = 7); NONFAILING(*(uint32_t*)0x2000064c = 0x7ff); NONFAILING(*(uint32_t*)0x20000650 = 5); NONFAILING(*(uint32_t*)0x20000654 = 7); NONFAILING(*(uint32_t*)0x20000658 = 0xfffffffc); NONFAILING(*(uint32_t*)0x2000065c = 0x40); NONFAILING(*(uint32_t*)0x20000660 = 0); NONFAILING(*(uint32_t*)0x20000664 = 0x20); NONFAILING(*(uint32_t*)0x20000668 = 0x14e); NONFAILING(*(uint32_t*)0x2000066c = 1); NONFAILING(*(uint32_t*)0x20000670 = 5); NONFAILING(*(uint32_t*)0x20000674 = 1); NONFAILING(*(uint32_t*)0x20000678 = 6); NONFAILING(*(uint32_t*)0x2000067c = 0x191); NONFAILING(*(uint32_t*)0x20000680 = 0x95c); NONFAILING(*(uint32_t*)0x20000684 = 3); NONFAILING(*(uint32_t*)0x20000688 = 9); NONFAILING(*(uint32_t*)0x2000068c = 0xff); NONFAILING(*(uint32_t*)0x20000690 = 0x400); NONFAILING(*(uint32_t*)0x20000694 = 4); NONFAILING(*(uint32_t*)0x20000698 = 0); NONFAILING(*(uint32_t*)0x2000069c = 0xf0c); NONFAILING(*(uint32_t*)0x200006a0 = 0); NONFAILING(*(uint32_t*)0x200006a4 = 0x8000); NONFAILING(*(uint32_t*)0x200006a8 = 5); NONFAILING(*(uint32_t*)0x200006ac = 7); NONFAILING(*(uint32_t*)0x200006b0 = 5); NONFAILING(*(uint32_t*)0x200006b4 = 0); NONFAILING(*(uint32_t*)0x200006b8 = 5); NONFAILING(*(uint32_t*)0x200006bc = 0x207); NONFAILING(*(uint32_t*)0x200006c0 = 0x8000); NONFAILING(*(uint32_t*)0x200006c4 = 0); NONFAILING(*(uint32_t*)0x200006c8 = 0xfff); NONFAILING(*(uint32_t*)0x200006cc = 7); NONFAILING(*(uint32_t*)0x200006d0 = 3); NONFAILING(*(uint32_t*)0x200006d4 = 0); NONFAILING(*(uint32_t*)0x200006d8 = 0xa79); NONFAILING(*(uint32_t*)0x200006dc = 0x61e1); NONFAILING(*(uint32_t*)0x200006e0 = 0x101); NONFAILING(*(uint32_t*)0x200006e4 = 0x200); NONFAILING(*(uint32_t*)0x200006e8 = 4); NONFAILING(*(uint32_t*)0x200006ec = 0x200); NONFAILING(*(uint32_t*)0x200006f0 = 1); NONFAILING(*(uint32_t*)0x200006f4 = 0xe57); NONFAILING(*(uint32_t*)0x200006f8 = 5); NONFAILING(*(uint32_t*)0x200006fc = 0); NONFAILING(*(uint32_t*)0x20000700 = 0); NONFAILING(*(uint32_t*)0x20000704 = 1); NONFAILING(*(uint32_t*)0x20000708 = 1); NONFAILING(*(uint32_t*)0x2000070c = 0); NONFAILING(*(uint32_t*)0x20000710 = 7); NONFAILING(*(uint32_t*)0x20000714 = 7); NONFAILING(*(uint32_t*)0x20000718 = 0); NONFAILING(*(uint32_t*)0x2000071c = 6); NONFAILING(*(uint32_t*)0x20000720 = 1); NONFAILING(*(uint32_t*)0x20000724 = 2); NONFAILING(*(uint32_t*)0x20000728 = 1); NONFAILING(*(uint32_t*)0x2000072c = 9); NONFAILING(*(uint32_t*)0x20000730 = 0); NONFAILING(*(uint32_t*)0x20000734 = 5); NONFAILING(*(uint32_t*)0x20000738 = 5); NONFAILING(*(uint32_t*)0x2000073c = 6); NONFAILING(*(uint32_t*)0x20000740 = 6); NONFAILING(*(uint32_t*)0x20000744 = 4); NONFAILING(*(uint32_t*)0x20000748 = 1); NONFAILING(*(uint32_t*)0x2000074c = 1); NONFAILING(*(uint32_t*)0x20000750 = 0x400); NONFAILING(*(uint32_t*)0x20000754 = 0x1000); NONFAILING(*(uint32_t*)0x20000758 = 0x9c8); NONFAILING(*(uint32_t*)0x2000075c = 7); NONFAILING(*(uint32_t*)0x20000760 = 0xc86); NONFAILING(*(uint32_t*)0x20000764 = 0); NONFAILING(*(uint32_t*)0x20000768 = 0x8000); NONFAILING(*(uint32_t*)0x2000076c = 9); NONFAILING(*(uint32_t*)0x20000770 = 4); NONFAILING(*(uint32_t*)0x20000774 = 2); NONFAILING(*(uint32_t*)0x20000778 = 0x3798); NONFAILING(*(uint32_t*)0x2000077c = 0x8af); NONFAILING(*(uint32_t*)0x20000780 = 4); NONFAILING(*(uint32_t*)0x20000784 = 0x3ff); NONFAILING(*(uint32_t*)0x20000788 = 0x46e); NONFAILING(*(uint32_t*)0x2000078c = 2); NONFAILING(*(uint32_t*)0x20000790 = 5); NONFAILING(*(uint32_t*)0x20000794 = 8); NONFAILING(*(uint32_t*)0x20000798 = 2); NONFAILING(*(uint32_t*)0x2000079c = 0); NONFAILING(*(uint32_t*)0x200007a0 = 0x80000000); NONFAILING(*(uint32_t*)0x200007a4 = 2); NONFAILING(*(uint32_t*)0x200007a8 = 0x207); NONFAILING(*(uint32_t*)0x200007ac = 8); NONFAILING(*(uint32_t*)0x200007b0 = 0x7fff); NONFAILING(*(uint32_t*)0x200007b4 = 0x1000); NONFAILING(*(uint32_t*)0x200007b8 = 0xfffffff9); NONFAILING(*(uint32_t*)0x200007bc = 0x80e); NONFAILING(*(uint32_t*)0x200007c0 = 4); NONFAILING(*(uint32_t*)0x200007c4 = 5); NONFAILING(*(uint32_t*)0x200007c8 = 0); NONFAILING(*(uint32_t*)0x200007cc = 8); NONFAILING(*(uint32_t*)0x200007d0 = 9); NONFAILING(*(uint32_t*)0x200007d4 = 5); NONFAILING(*(uint32_t*)0x200007d8 = 9); NONFAILING(*(uint32_t*)0x200007dc = 0xff); NONFAILING(*(uint32_t*)0x200007e0 = 5); NONFAILING(*(uint32_t*)0x200007e4 = 0xc23f); NONFAILING(*(uint32_t*)0x200007e8 = 8); NONFAILING(*(uint32_t*)0x200007ec = 1); NONFAILING(*(uint32_t*)0x200007f0 = 4); NONFAILING(*(uint32_t*)0x200007f4 = 0xd4); NONFAILING(*(uint32_t*)0x200007f8 = 0xffff104f); NONFAILING(*(uint32_t*)0x200007fc = 1); NONFAILING(*(uint32_t*)0x20000800 = 0xa9d); NONFAILING(*(uint32_t*)0x20000804 = 6); NONFAILING(*(uint32_t*)0x20000808 = 0x800); NONFAILING(*(uint32_t*)0x2000080c = 0x25); NONFAILING(*(uint32_t*)0x20000810 = 6); NONFAILING(*(uint32_t*)0x20000814 = 0x8000); NONFAILING(*(uint32_t*)0x20000818 = 7); NONFAILING(*(uint32_t*)0x2000081c = 0x200001); NONFAILING(*(uint32_t*)0x20000820 = 0x3f); NONFAILING(*(uint32_t*)0x20000824 = 0x8001); NONFAILING(*(uint32_t*)0x20000828 = 0); NONFAILING(*(uint32_t*)0x2000082c = 7); NONFAILING(*(uint32_t*)0x20000830 = 7); NONFAILING(*(uint32_t*)0x20000834 = 0xab8); NONFAILING(*(uint32_t*)0x20000838 = 0xe078); NONFAILING(*(uint32_t*)0x2000083c = 0xe2); NONFAILING(*(uint32_t*)0x20000840 = 0x8000); NONFAILING(*(uint32_t*)0x20000844 = 2); NONFAILING(*(uint32_t*)0x20000848 = 0x8000); NONFAILING(*(uint32_t*)0x2000084c = 0); NONFAILING(*(uint32_t*)0x20000850 = 1); NONFAILING(*(uint32_t*)0x20000854 = 1); NONFAILING(*(uint32_t*)0x20000858 = 0x80); NONFAILING(*(uint32_t*)0x2000085c = 0x1f); NONFAILING(*(uint32_t*)0x20000860 = 0x101); NONFAILING(*(uint32_t*)0x20000864 = 2); NONFAILING(*(uint32_t*)0x20000868 = 0x501); NONFAILING(*(uint32_t*)0x2000086c = 0xbdc2); NONFAILING(*(uint32_t*)0x20000870 = 0xfffffffe); NONFAILING(*(uint32_t*)0x20000874 = 0x7fff); NONFAILING(*(uint32_t*)0x20000878 = 0x800); NONFAILING(*(uint32_t*)0x2000087c = 9); NONFAILING(*(uint32_t*)0x20000880 = 6); NONFAILING(*(uint32_t*)0x20000884 = 9); NONFAILING(*(uint32_t*)0x20000888 = 0x47c51446); NONFAILING(*(uint32_t*)0x2000088c = 0x40000); NONFAILING(*(uint32_t*)0x20000890 = 3); NONFAILING(*(uint32_t*)0x20000894 = 2); NONFAILING(*(uint32_t*)0x20000898 = 9); NONFAILING(*(uint32_t*)0x2000089c = 9); NONFAILING(*(uint32_t*)0x200008a0 = 1); NONFAILING(*(uint32_t*)0x200008a4 = 0x3f); NONFAILING(*(uint32_t*)0x200008a8 = 0); NONFAILING(*(uint32_t*)0x200008ac = 0xffff); NONFAILING(*(uint32_t*)0x200008b0 = 0x20); NONFAILING(*(uint32_t*)0x200008b4 = 0x7f); NONFAILING(*(uint32_t*)0x200008b8 = 3); NONFAILING(*(uint32_t*)0x200008bc = 4); NONFAILING(*(uint32_t*)0x200008c0 = 0x6c4); NONFAILING(*(uint32_t*)0x200008c4 = 0); NONFAILING(*(uint32_t*)0x200008c8 = 6); NONFAILING(*(uint32_t*)0x200008cc = 0); NONFAILING(*(uint32_t*)0x200008d0 = 0); NONFAILING(*(uint32_t*)0x200008d4 = 0x5c5); NONFAILING(*(uint32_t*)0x200008d8 = 1); NONFAILING(*(uint32_t*)0x200008dc = 4); NONFAILING(*(uint32_t*)0x200008e0 = 0); NONFAILING(*(uint32_t*)0x200008e4 = 0xfffffffb); NONFAILING(*(uint32_t*)0x200008e8 = 1); NONFAILING(*(uint32_t*)0x200008ec = 0xfffffff9); NONFAILING(*(uint32_t*)0x200008f0 = 5); NONFAILING(*(uint32_t*)0x200008f4 = 0x810); NONFAILING(*(uint32_t*)0x200008f8 = 1); NONFAILING(*(uint32_t*)0x200008fc = 0xfffffffd); NONFAILING(*(uint32_t*)0x20000900 = 7); NONFAILING(*(uint32_t*)0x20000904 = 0xb457); NONFAILING(*(uint32_t*)0x20000908 = 9); NONFAILING(*(uint32_t*)0x2000090c = 0x7f); NONFAILING(*(uint32_t*)0x20000910 = 0x89); NONFAILING(*(uint32_t*)0x20000914 = 5); NONFAILING(*(uint32_t*)0x20000918 = 0x80); NONFAILING(*(uint32_t*)0x2000091c = 5); NONFAILING(*(uint32_t*)0x20000920 = 8); NONFAILING(*(uint32_t*)0x20000924 = 4); NONFAILING(*(uint32_t*)0x20000928 = 0xfff); NONFAILING(*(uint32_t*)0x2000092c = 0x75); NONFAILING(*(uint32_t*)0x20000930 = 0x81); NONFAILING(*(uint32_t*)0x20000934 = 0x7fffffff); NONFAILING(*(uint32_t*)0x20000938 = 0xc5f0); NONFAILING(*(uint32_t*)0x2000093c = 3); NONFAILING(*(uint32_t*)0x20000940 = 0x80000000); NONFAILING(*(uint32_t*)0x20000944 = 0xc4); NONFAILING(*(uint32_t*)0x20000948 = 0xf47c); NONFAILING(*(uint32_t*)0x2000094c = 0x547); NONFAILING(*(uint32_t*)0x20000950 = 0x7d4); NONFAILING(*(uint32_t*)0x20000954 = 0x10001); NONFAILING(*(uint32_t*)0x20000958 = 0x1ed); NONFAILING(*(uint32_t*)0x2000095c = 0); NONFAILING(*(uint32_t*)0x20000960 = 0x800); NONFAILING(*(uint32_t*)0x20000964 = 3); NONFAILING(*(uint32_t*)0x20000968 = 0); NONFAILING(*(uint32_t*)0x2000096c = 0xa40); NONFAILING(*(uint32_t*)0x20000970 = 9); NONFAILING(*(uint32_t*)0x20000974 = -1); NONFAILING(*(uint32_t*)0x20000978 = 2); NONFAILING(*(uint32_t*)0x2000097c = 0x8001); NONFAILING(*(uint32_t*)0x20000980 = 0x6b); NONFAILING(*(uint32_t*)0x20000984 = 1); NONFAILING(*(uint32_t*)0x20000988 = 0x3ff); NONFAILING(*(uint32_t*)0x2000098c = 4); NONFAILING(*(uint32_t*)0x20000990 = 5); NONFAILING(*(uint32_t*)0x20000994 = 0xadf); NONFAILING(*(uint32_t*)0x20000998 = 2); syscall(__NR_write, r[0], 0x20000540, 0x45c); break; case 4: syscall(__NR_ioctl, r[0], 0x5501); break; } } int main(void) { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); install_segv_handler(); use_temporary_dir(); do_sandbox_none(); return 0; }