// https://syzkaller.appspot.com/bug?id=03f4404da0737d2be5145ac3ed936712fcfd504c // 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 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 thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } 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, 1000000); } 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_ACQUIRE)) return 1; now = current_time_ms(); if (now - start > timeout) return 0; } } static bool write_file(const char* file, const char* what, ...) { char buf[1024]; va_list args; va_start(args, what); vsnprintf(buf, sizeof(buf), what, args); va_end(args); buf[sizeof(buf) - 1] = 0; int len = strlen(buf); int fd = open(file, O_WRONLY | O_CLOEXEC); if (fd == -1) return false; if (write(fd, buf, len) != len) { int err = errno; close(fd); errno = err; return false; } close(fd); return true; } #define MAX_FDS 30 static void setup_gadgetfs(); static void setup_binderfs(); static void setup_fusectl(); static void sandbox_common_mount_tmpfs(void) { write_file("/proc/sys/fs/mount-max", "100000"); if (mkdir("./syz-tmp", 0777)) exit(1); if (mount("", "./syz-tmp", "tmpfs", 0, NULL)) exit(1); if (mkdir("./syz-tmp/newroot", 0777)) exit(1); if (mkdir("./syz-tmp/newroot/dev", 0700)) exit(1); unsigned bind_mount_flags = MS_BIND | MS_REC | MS_PRIVATE; if (mount("/dev", "./syz-tmp/newroot/dev", NULL, bind_mount_flags, NULL)) exit(1); if (mkdir("./syz-tmp/newroot/proc", 0700)) exit(1); if (mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL)) exit(1); if (mkdir("./syz-tmp/newroot/selinux", 0700)) exit(1); const char* selinux_path = "./syz-tmp/newroot/selinux"; if (mount("/selinux", selinux_path, NULL, bind_mount_flags, NULL)) { if (errno != ENOENT) exit(1); if (mount("/sys/fs/selinux", selinux_path, NULL, bind_mount_flags, NULL) && errno != ENOENT) exit(1); } if (mkdir("./syz-tmp/newroot/sys", 0700)) exit(1); if (mount("/sys", "./syz-tmp/newroot/sys", 0, bind_mount_flags, NULL)) exit(1); if (mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, bind_mount_flags, NULL) && errno != ENOENT) exit(1); if (mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, bind_mount_flags, NULL) && errno != ENOENT) exit(1); if (mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, bind_mount_flags, NULL) && errno != ENOENT) exit(1); if (mkdir("./syz-tmp/pivot", 0777)) exit(1); if (syscall(SYS_pivot_root, "./syz-tmp", "./syz-tmp/pivot")) { if (chdir("./syz-tmp")) exit(1); } else { if (chdir("/")) exit(1); if (umount2("./pivot", MNT_DETACH)) exit(1); } if (chroot("./newroot")) exit(1); if (chdir("/")) exit(1); setup_gadgetfs(); setup_binderfs(); setup_fusectl(); } static void setup_gadgetfs() { if (mkdir("/dev/gadgetfs", 0777)) { } if (mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL)) { } } static void setup_fusectl() { if (mount(0, "/sys/fs/fuse/connections", "fusectl", 0, 0)) { } } static void setup_binderfs() { if (mkdir("/dev/binderfs", 0777)) { } if (mount("binder", "/dev/binderfs", "binder", 0, NULL)) { } if (symlink("/dev/binderfs", "./binderfs")) { } } static void loop(); static void sandbox_common() { prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0); if (getppid() == 1) exit(1); struct rlimit rlim; rlim.rlim_cur = rlim.rlim_max = (200 << 20); setrlimit(RLIMIT_AS, &rlim); rlim.rlim_cur = rlim.rlim_max = 32 << 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 = 128 << 20; setrlimit(RLIMIT_CORE, &rlim); rlim.rlim_cur = rlim.rlim_max = 256; setrlimit(RLIMIT_NOFILE, &rlim); if (unshare(CLONE_NEWNS)) { } if (mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, NULL)) { } if (unshare(CLONE_NEWIPC)) { } if (unshare(0x02000000)) { } if (unshare(CLONE_NEWUTS)) { } if (unshare(CLONE_SYSVSEM)) { } typedef struct { const char* name; const char* value; } sysctl_t; static const sysctl_t sysctls[] = { {"/proc/sys/kernel/shmmax", "16777216"}, {"/proc/sys/kernel/shmall", "536870912"}, {"/proc/sys/kernel/shmmni", "1024"}, {"/proc/sys/kernel/msgmax", "8192"}, {"/proc/sys/kernel/msgmni", "1024"}, {"/proc/sys/kernel/msgmnb", "1024"}, {"/proc/sys/kernel/sem", "1024 1048576 500 1024"}, }; unsigned i; for (i = 0; i < sizeof(sysctls) / sizeof(sysctls[0]); i++) write_file(sysctls[i].name, sysctls[i].value); } static int wait_for_loop(int pid) { if (pid < 0) exit(1); int status = 0; while (waitpid(-1, &status, __WALL) != pid) { } return WEXITSTATUS(status); } static void drop_caps(void) { struct __user_cap_header_struct cap_hdr = {}; struct __user_cap_data_struct cap_data[2] = {}; cap_hdr.version = _LINUX_CAPABILITY_VERSION_3; cap_hdr.pid = getpid(); if (syscall(SYS_capget, &cap_hdr, &cap_data)) exit(1); const int drop = (1 << CAP_SYS_PTRACE) | (1 << CAP_SYS_NICE); cap_data[0].effective &= ~drop; cap_data[0].permitted &= ~drop; cap_data[0].inheritable &= ~drop; if (syscall(SYS_capset, &cap_hdr, &cap_data)) exit(1); } static int do_sandbox_none(void) { if (unshare(CLONE_NEWPID)) { } int pid = fork(); if (pid != 0) return wait_for_loop(pid); sandbox_common(); drop_caps(); if (unshare(CLONE_NEWNET)) { } write_file("/proc/sys/net/ipv4/ping_group_range", "0 65535"); sandbox_common_mount_tmpfs(); loop(); exit(1); } static void kill_and_wait(int pid, int* status) { kill(-pid, SIGKILL); kill(pid, SIGKILL); for (int i = 0; i < 100; i++) { if (waitpid(-1, status, WNOHANG | __WALL) == pid) return; usleep(1000); } DIR* dir = opendir("/sys/fs/fuse/connections"); if (dir) { for (;;) { struct dirent* ent = readdir(dir); if (!ent) break; if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0) continue; char abort[300]; snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort", ent->d_name); int fd = open(abort, O_WRONLY); if (fd == -1) { continue; } if (write(fd, abort, 1) < 0) { } close(fd); } closedir(dir); } else { } while (waitpid(-1, status, __WALL) != pid) { } } static void setup_test() { prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0); setpgrp(); write_file("/proc/self/oom_score_adj", "1000"); } static void close_fds() { for (int fd = 3; fd < MAX_FDS; fd++) close(fd); } 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 execute_one(void) { if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } int i, call, thread; 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); event_timedwait(&th->done, 50); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); close_fds(); } static void execute_one(void); #define WAIT_FLAGS __WALL static void loop(void) { int iter = 0; for (;; iter++) { int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { setup_test(); execute_one(); exit(0); } int status = 0; uint64_t start = current_time_ms(); for (;;) { sleep_ms(10); if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; if (current_time_ms() - start < 5000) continue; kill_and_wait(pid, &status); break; } } } uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: res = syscall(__NR_socketpair, /*domain=*/0x1eul, /*type=*/1ul, /*proto=*/0, /*fds=*/0x20000000ul); if (res != -1) { r[0] = *(uint32_t*)0x20000000; r[1] = *(uint32_t*)0x20000004; } break; case 1: *(uint64_t*)0x200003c0 = 0x20000180; *(uint16_t*)0x20000180 = 0x1e; *(uint8_t*)0x20000182 = 1; *(uint8_t*)0x20000183 = 0; *(uint32_t*)0x20000184 = 0; *(uint32_t*)0x20000188 = 0; *(uint32_t*)0x2000018c = 0; *(uint32_t*)0x200003c8 = 0x10; *(uint64_t*)0x200003d0 = 0x20000380; *(uint64_t*)0x20000380 = 0x20000480; memcpy( (void*)0x20000480, "\xc3\xe9\x72\xbd\x85\xa6\xd8\x41\x36\xd6\xdd\x55\x04\x8d\x35\x93\xa7" "\x4f\x33\x8c\xe6\x77\x2a\xb9\xa6\xf6\x40\x41\xc2\xf6\xfb\xbe\xcd\xc0" "\x8e\xbc\xd3\x19\x2b\x6a\x53\x66\x2d\xae\x7c\x8e\x9c\x66\x5e\x80\xa5" "\xd0\x92\x5f\x72\x8d\xca\xc3\x0c\x29\x79\x39\x92\xe5\x88\x95\x26\x53" "\xd4\x14\xcb\x8c\xcd\xab\xc3\x87\x67\xfe\xe8\x19\xec\x5a\xf0\xc5\xee" "\x93\x68\x80\xfe\x85\x49\xb4\xed\x34\x77\x79\xca\xb4\xff\xd4\xe0\xb6" "\x2c\x53\xa1\xc0\x1d\xb2\x8f\x2b\x3f\x91\xc3\x42\x11\xc9\x35\x3b\xc1" "\xde\xce\x61\x51\x19\x17\xc2\x24\x5f\xd6\x6c\xb8\xdf\xfe\xac\xb4\xd4" "\x6d\x62\x7c\x97\xb4\x98\xbf\x1f\xf6\xb3\x13\xbf\xbc\x97\x65\x45\x7c" "\x83\x17\x71\xd5\xee\xc7\x99\x7e\xc2\x42\xe4\x50\x5f\x01\xc1\xbb\x3e" "\x06\x9b\x2e\x63\x0f\x42\xa2\xbe\x86\x59\x8a\x61", 182); *(uint64_t*)0x20000388 = 0x64; *(uint64_t*)0x20000390 = 0x20000300; memset((void*)0x20000300, 86, 1); *(uint64_t*)0x20000398 = 1; *(uint64_t*)0x200003a0 = 0x20001600; memcpy( (void*)0x20001600, "\x3e\xed\x50\xd0\x12\x57\x19\xa8\x10\xf8\x8e\x3f\x47\x18\x6f\xe4\xda" "\xe7\x41\x82\xdf\xd1\x09\xa2\x58\x7c\x47\x97\x41\x0c\x9b\x8e\x39\xbd" "\x3d\x9a\xa1\x44\xd5\x90\x86\x47\xc3\x0c\x8d\xb6\x9b\x5c\x17\x08\x4c" "\x9b\x1b\xfb\xb8\x68\x07\x37\xc4\xf8\x8a\xbc\xdb\xc7\xd2\x94\xd7\x2a" "\xb1\xb3\x44\x27\x09\x15\xdf\x9d\xdf\x56\x35\x64\x4c\x35\x1c\x22\xb2" "\x9d\x94\x8a\xc4\x10\x6b\xce\x71\x07\x57\x0b\xee\xd6\x30\x77\xcf\xbc" "\x98\xef\x71\x69\x9e\xae\x65\xd3\x77\x24\xd9\x95\xb5\x53\xe7\xa3\xad" "\xe6\x19\xb5\x22\x31\x3a\xb3\x82\xca\xf8\x79\xfe\xb4\x89\x42\x87\x8e" "\x60\x5e\xe3\xee\x28\x72\x79\x4e\x3a\xbe\x22\xa3\xf0\x25\x06\x8b\x62" "\x8a\x5d\x92\x46\x80\x92\xa5\xcc\x64\x9b\xbb\xd9\x78\xb5\x77\x2e\x53" "\x79\x39\x43\x2a\x50\x21\x22\x23\x5c\xed\x31\x2d\xaf\xd1\x08\xc9\xff" "\xeb\x0b\x38\xcc\x16\xda\x94\x18\xca\x01\xd4\x85\xa6\xaf\xb5\x82\x7d" "\xa4\xdf\x6e\x11\x21\xec\x30\x7d\xe1\x4b\xb3\x2b\x6a\x97\x76\x08\xe4" "\x57\x6a\x99\x81\x82\xdd\x93\xd5\x92\xff\x43\xe5\x5b\xfd\xbb\xce\x23" "\xec\xd5\x01\xe4\x3b\x3e\x93\xef\x8d\x9d\x01\x71\x1d\xff\x54\xc3\x01" "\xe2\x99\xd3\x80\x1a\x3c\xff\xe6\xc9\x88\x3f\xbd\x0e\x47\x12\x4d\xc0" "\x25\x69\xf6\x2d\x48\xb8\x78\xfc\xb5\x8c\xe9\x9f\xcf\xfc\xd2\xa5\x16" "\x6e\xff\x3a\xd9\x3c\xf1\xd1\x37\x27\x49\x93\xd8\x6a\x3b\x37\x30\xd6" "\x3d\xed\x75\x9f\x6c\xa8\x8f\xa4\x49\xe5\x57\x5b\x15\x32\x1e\x5a\x58" "\xa1\xf8\x88\xee\xd7\x46\x6d\xb4\x97\x6c\xe3\x5f\x6d\x2e\xfb\x5a\xd0" "\x5d\x99\xa6\x64\x82\xdc\x60\x7c\xb5\xac\xb2\x4d\x32\x68\x03\xbd\x33" "\x75\x19\xcc\x98\x10\x3f\x59\xc6\x3b\x59\x62\xcd\x72\xe4\x49\x7d\x1b" "\x00\x81\x7d\x6e\x09\xde\x70\x27\x0a\x09\xb4\x93\xc2\x22\x66\x17\xb1" "\xc9\xef\x9d\x50\x6b\xe0\x0d\x6e\x07\xf1\x46\x33\xa9\x66\xf0\x4e\xcc" "\xa9\x0f\xb8\xd2\xb9\x63\xad\x6f\x38\x17\x93\x5b\xd6\x53\x4f\xa3\xda" "\x1c\x5d\xc4\x68\x78\x9c\xbf\x11\x92\xf3\xc0\xbf\xf3\x77\x7f\x1e\xdd" "\x2a\xda\x5d\x35\xf8\x8f\x12\xf2\x9e\x95\x2c\x44\x44\x5c\xe6\x23\x50" 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"\x9d\x9f\xb3\xef\xb4\x61\x3b\x62\xd6\x58\x4c\xd5\x3f\x7b\xd8\x0e\x3e" "\x89\x30\x4f\x44\x4c\xe9\xdd\x18\x35\x66\x1e\x3b\xb4\xde\x02\xcc\xf5" "\x68\xa2\xa5\xda\xaf\x0d\x56\x89\x8d\x42\x86\xc3\xfb\x62\xe2\x2a\xf6" "\x2d\x7a\xc3\x18\x68\x58\x34\x46\x7f\x33\x75\x61\xdd\xe2\xe0\xc1\xe2" "\x82\x7c\xdf\xfc\xf4\x2c\x17\x72\x8e\xe6\x4b\x3f\xf4\xcc\xc0\x22\x75" "\x90\xba\xdd\x0b\xd7\xe4\x48\xb8\xcc\xa0\x89\x2d\x6a\x5e\x01\x30\xd2" "\xac\x66\x5f\x47\xc6\xb2\x8d\xaa\x10\x1c\x1b\x31\x98\x69\xbd\xd3\x9f" "\xa9\x24\xd6\xd9\xba\x7d\x72\xfe\xda\x5f\x21\xac\x78\x64\x1c\x7d\x48" "\x01\xd4\x1c\x78\x79\x72\x1b\x3b\xe4\xda\xb4\x0d\x9c\x4a\x78\x55\x24" "\x40\x10\x1f\x37\x34\x89\xcc\x52\x40\xb0\x14\x4a\x9c\xe3\x26\x91\xa7" "\x84\xb6\xdf\xe9\x71\xa2\x1b\xb5\x98\x0f\xf6\x7d\xa2\xd1\xbb\x90\xb2" "\x23\xc9\xe1\x92\xa3\x9c\x1a\xea\xdd\x1f\x5c\x79\x08\x11\x07\x9c\x0b" "\x51\xa9\x71\x05\xc9\x9b\x6f\x95\xd7\x1b\xb3\xea\x47\xc3\x3d\x9d\xcb" "\x0a\x53\xc9\x29\xc4\x44\x99\xe1\x84\xa3\xcd\x72\x2c\x90\x8d\x3b\x0d" "\x15\x7e\x28\xff\xde\xb2\xed\x71\x92\xe7\x80\xd9\x6a\x7a\x2f\x0f\xd5" "\xa8\x7b\xdc\x97\x3e\x04\x9d\xa0\xca\xf9\x31\xf2\x6f\x5a\x21\x81\x3e" "\x2e\x60\x2c\xeb\x22\x59\x99\x7e\x02\x05\xce\x48\xfd\x94\x24\xbd\x6d" "\x4d\x75\xdd\x43\x01\xf4\x29\xee\x30\x74\x5c\xd8\x39\xa4\x0d\xbe\xab" "\x4c\x3d\xb2\xf0\xf1\x0b\xba\xea\x07\x1c\xa4\x1d\x13\x92\x38\x56\x81" "\x73\x0a\x36\x78\xa5\xf6\x0f\x60\x4d\xbe\x19\xcb\x9d\x7d\xd2\x34\x33" "\x7e\x32\x74\x51\xb8\xcc\x65\x39\x4a\xf3\x99\x43\x2e\xf7\xfc\x37\x65" "\xd0\x55\x87\x4e\xbd\xca\x14\xe5\x99\x92\x92\xd6\xf7\x2f\x31\xe9\x2b" "\xac\xf2\x5d\xb5\xef\x8f\x52\x12\x95\x2c\x19\x10\xde\x06\xdd\xbe\x16" "\x87\xa0\xe1\x83\x79\x22\xf2\x22\x82\x89\x91\x6e\xd3\xae\xb7\xb9\xcc" "\x24\xda\x3a\xe4\x71\x39\xe3\x71\x93\x0a\xfa\x6d\x35\x73\xdf\x67\x32" "\xc2\x6c\x0c\x7a\xe0\x6d\x9c\xed\xfa\x77\x16\x07\x11\xbc\xb0\x6e\x65" "\x53\x33\x8d\xea\xe4\xc5\x73\x1c\xf5\x3c\xc1\x54\x11\x30\x96\xd0\x2f" "\x30\x36\xd7\xd9\xed\xfc\xdc\x33\x1e\x4b\xb8\x60\xc5\x20\x84\x89\x21" "\x2e\x90\x4e\xab\x70\xe7\xf8\x60\xb0\x37\x98\x95\xcb\xde\xcb\xf7\xa0" "\xb7\xa2\x5e\x5b\x85\x3c\x7d\xbe\x08\xa4\xe2\x96\xa3\x0a\xfe\xc8\xcf" "\x5a\x9f\x6e\xa4\xae\xf3\x2a\x50\x86\x55\xd5\x39\xa7\x70\xb2\x1e\x66" "\x0c\x9e\xe1\xd7\x68\x8c\x56\xab\xeb\x7c\xf1\xaf\xcc\xc8\xd5\x97\x80" "\xcf\x26\x31\x25\x89\xe0\xc8\xe1\xbc\x00\xad\x7b\x13\x25\xcd\x9a\x5d" "\xd6\x92\x46\xe0\xb3\x34\x07\xc3\x81\xea\x09\x26\x51\x54\xae\xc2\x97" "\xe4\xcc\xdf\x97\x85\xa1\x04\x2a\x83\xe7\x7c\x13\xd4\xce\x43\x60\x78" "\x2f\x24\x28\xf9\x91\x6b\x5c\xd1\x23\xb0\x89\xeb\x68\x3d\x30\xc1\xe8" "\x95\xb9\x94\x4a\xa9\x05\xa1\xa5\xb5\x23\x01\xd8\xcc\x5e\x47\x41\x83" "\x4e\xad\x6e\xbd\xb5\xdc\x05\xc9\xc4\x9c\x5e\x88\x3e\x99\xd4\x0b\x98" "\x38\x03\x7b\xea\xf8\x76\x53\x4d\x74\x78\x56\x10\x3e\x59\xca\xf6\x26" "\x6f\xbb\xe7\x60\xb6\xef\x83\xd0\x04\x63\x4b\x74\xf1\x4f\x8e\xb4\xae" "\xf9\x3c\x4c\xc9\xcb\xbd\x78\xd8\x3d\x53\x2c\x70\xfe\xef\x51\xea\x3f" "\x17\x0b\x25\xd8\x1a\x6a\x9b\x07\x4b\xfc\xa7\xe9\xb3\x77\x1b\xf8\x35" "\x17\xe0\xdd\x9d\x06\x00\xf7\x0b\x86\xb2\x0f\x61\xfe\x36\x07\x6f\x8b" "\xad\xa3\x34\xb2\x39\x0f\xa9\x54\x97\x3b\xc9\x01\x61\x9a\x3c\xfd\x03" "\x93\x49\xcb\x32\x86\x25\xf4\x95\xab\x28\x8d\xbd\xd6\xdb\xfd\x02\x2c" "\x2a\x83\xf5\x9e\x0b\x99\x86\x19\xa1\x2e\x35\x89\x1b\x5a\xe9\xe8\x3a" "\x71\x76\x55\x07\xb4\xa5\x71\xcd\x22\x41\xe5\x88\x5c\x70\x52\x44\xc1" "\x02\x26\x88\xbe\xf7\xc5\x06\x5f\xbc\xf2\x19\xfc\x01\x75\x3a\xdb\x61" "\x1b\x3f\xbc\x09\x40\x3d\xcb\x10\xa4\xf9\x9d\x78\x86\x67\xef\xf7\x5f" "\xa2\x70\x74\xca\x84\x81\xa6\x33\x53\x0e\x26\x16\x3c\xcf\x7d\xad\xa0" "\x49\xd2\x3e\x71\x7e\x06\x7b\x6f\xa5\xb2\xf6\x52\xbc\x50\xab\xda\x9e" "\x7c\xcd\xc5\xf2\xf3\xc3\x5e\xcc\x2c\x44\x31\xc8\x19\xc9\x69\x1b\xe4" "\x42\x2e\x37\x97\x50\x77\x4e\x9f\x39\xda\xe0\x6f\x26\x42\x3c\x8a\x42" "\x78\x78\x9c\x9f\x31\x11\xb4\x3f\x6d\xd2\x5b\x0a\xd4\x7c\x4c\xc5\xfd" "\xa3\xf3\xed\x82\x07\x9c\x93\x66\xe0\xad\xce\xd8\x83\x48\x8f\x42\x9c" "\x1d\x7e\x1b\x35\x1f\xd0\xbb\x20\x4d\xd7\x97\x7e\xf2\x24\xc4\xdf\x6d" "\x7a\x5f\x76\x97\xbc\x65\x00\xa7\xd0\x3a\x8a\x91\x41\x54\x77\x9f\xa7" "\x09\x2b\xf1\xbe\x6b\xad\x40\x92\x36\x7c\xe5\xd2\x95\xa5\xd5\xd0\xe7" "\xc4\x69\xf3\x72\xca\x20\x11\xd6\x12\x63\x70\x25\xe8\x9f\x17\x8a\xe9" "\xad\xa0\xc5\xb7\x3b\xcb\x7d\x7c\x03\x4f\xf5\x95\x26\x3c\xd4\x21\x6e" "\x3c\x76\xba\x5f\x3d\x81\x93\x2a\x08\x8a\x90\xbf\x80\x43\xe8\x77\xe2" "\x99\xc6\x70\xef\x16\x22\xa0\x98\xd5\x51\x9d\x9a\xdc\x4e\xe7\xd4\xcd" "\x00\xe5\x93\x4a\x43\x75\xfa\x83\xfd\xb8\x12\x14\xb8\x92\x48\x2b\x31" "\xbd\xde\x59\xa7\x0a\xaf\x25\xcb\x7f\x41\x7c\x3a\x2a\x91\xc4\xe5\x4b" "\x48\x14\x9f\x6c\x41\xd9\xd3\x96\xee\x6f\xf1\x3e\x30\x28\xc6\x4a\x7c" "\x9b\x1f\x2e\x7c\x6e\x67\x18\x4a\x3d\x52\xd6\xf5\x70\xdb\x3d\x22\x5c" "\x94\x74\x23\xc4\xc6\x53\x3f\x22\xdf\x57\xd1\x5c\x5e\x5a\x31\x83\x42" "\x2b\xd3\x78\xb0\x6f\xe4\x73\x2a\x94\x01\xdc\xb1\x98\x40\xfb\x8f\xa5" "\xc5\x0a\x0f\xf4\x97\xfe\xf3\x62\xc5\x07\x75\x3e\x46\xb8\x88\x1d\x3e" "\x76\x7f\x3b\x1d\x89\x3a\x38\x05\x94\x1c\x94\xf2\xef\xa0\x5c\xe3\x4b" "\x9e\xa8\x1d\x71\x69\x84\xaf\x68\x34\x23\x0d\x47\x07\xa8\x70\x89\xd4" "\x07\x79\x50\x3e\xe6\xa9\xbb\x24\x5d\x7d\x99\x7f\x14\xac\xb8\x0e\x89" "\x73\x1c\x04\x2b\xbb\xbe\x3d\xcd\x05\x17\x7b\x0e\xe0\xee\xc2\x34\x55" "\x83\x0e\xf5\xb6\x5a\xca\x35\x7f\x2b\x0b\x88\x7e\x0b\x98\x21\xc0", 4096); *(uint64_t*)0x200003a8 = 0x1000; *(uint64_t*)0x200003b0 = 0x20000340; memcpy((void*)0x20000340, "\xb7\x68\xeb\x20\x30\x4f\x2f\xdc\x5a\x96\x94\xa4\x86\x78\x40\xd9" "\x31\x70\xca\x1a\x86\x40\x6f", 23); *(uint64_t*)0x200003b8 = 0xfffffec0; *(uint64_t*)0x200003d8 = 4; *(uint64_t*)0x200003e0 = 0; *(uint64_t*)0x200003e8 = 0; *(uint32_t*)0x200003f0 = 0x8010; syscall(__NR_sendmsg, /*fd=*/r[0], /*msg=*/0x200003c0ul, /*f=*/0ul); break; case 2: syscall(__NR_dup2, /*oldfd=*/r[1], /*newfd=*/r[0]); break; case 3: *(uint32_t*)0x20000040 = -1; syscall(__NR_setsockopt, /*fd=*/r[0], /*level=*/1, /*optname=*/0x21, /*optval=*/0x20000040ul, /*optlen=*/4ul); break; case 4: *(uint64_t*)0x20008fc0 = 0; *(uint32_t*)0x20008fc8 = 0; *(uint64_t*)0x20008fd0 = 0; *(uint64_t*)0x20008fd8 = 0; *(uint64_t*)0x20008fe0 = 0; *(uint64_t*)0x20008fe8 = 0; *(uint32_t*)0x20008ff0 = 0; *(uint32_t*)0x20008ff8 = 0; *(uint64_t*)0x20009000 = 0; *(uint32_t*)0x20009008 = 0; *(uint64_t*)0x20009010 = 0; *(uint64_t*)0x20009018 = 0; *(uint64_t*)0x20009020 = 0; *(uint64_t*)0x20009028 = 0; *(uint32_t*)0x20009030 = 0; *(uint32_t*)0x20009038 = 0; *(uint64_t*)0x20009040 = 0; *(uint32_t*)0x20009048 = 0; *(uint64_t*)0x20009050 = 0; *(uint64_t*)0x20009058 = 0; *(uint64_t*)0x20009060 = 0; *(uint64_t*)0x20009068 = 0; *(uint32_t*)0x20009070 = 0; *(uint32_t*)0x20009078 = 0; *(uint64_t*)0x20009080 = 0; *(uint32_t*)0x20009088 = 0; *(uint64_t*)0x20009090 = 0; *(uint64_t*)0x20009098 = 0; *(uint64_t*)0x200090a0 = 0; *(uint64_t*)0x200090a8 = 0; *(uint32_t*)0x200090b0 = 0; *(uint32_t*)0x200090b8 = 0; *(uint64_t*)0x200090c0 = 0; *(uint32_t*)0x200090c8 = 0; *(uint64_t*)0x200090d0 = 0; *(uint64_t*)0x200090d8 = 0; *(uint64_t*)0x200090e0 = 0; *(uint64_t*)0x200090e8 = 0; *(uint32_t*)0x200090f0 = 0; *(uint32_t*)0x200090f8 = 0; *(uint64_t*)0x20009100 = 0; *(uint32_t*)0x20009108 = 0; *(uint64_t*)0x20009110 = 0; *(uint64_t*)0x20009118 = 0; *(uint64_t*)0x20009120 = 0; *(uint64_t*)0x20009128 = 0; *(uint32_t*)0x20009130 = 0; *(uint32_t*)0x20009138 = 0; *(uint64_t*)0x20009140 = 0; *(uint32_t*)0x20009148 = 0; *(uint64_t*)0x20009150 = 0x200026c0; *(uint64_t*)0x200026c0 = 0x200001c0; memcpy( (void*)0x200001c0, "\x65\xc0\xa8\x19\x3a\xe7\x4a\xd1\x51\x35\xd5\x24\x20\x22\xc1\x56\x90" "\xae\xf9\xb9\x7b\xa8\xe3\xc8\xf8\x94\xb3\x10\x62\xf3\xde\x0c\x9d\x27" "\x63\xb7\xe3\x5b\x04\x0b\x79\xed\x00\x1f\x3d\x76\xac\xa9\x27\x89\x74" "\xf5\x3f\xee\x3a\xfc\xca\x97\x3c\x85\x05\x7b\xf6\x2b\xa7\x40\x73\x81" "\x45\x2f\x94\xa4\x8b\x81\x46\x2a\x58\x6c\x8e\x41\x07\x66\xfa\xa1\x04" "\x1b\x5e\x61\xe8\x09\x58\xf5\xae\xcf\x2b\x55\x65\xaa\xa3\x78\x57\x09" "\x2d\x28\x14\xec\xf4\x83\xd5\x7c\x98\x52\x1b\xf5\x7e\x05\x7e\x75\x54" "\x41\x76\x66\x0e\x66\xb9\xe9\xc1\xa9\x47\x56\xa5\x8b\x4f\x42\x7c\x92" "\x47\x51\xc6\xfc\x08\xad\x15\x69\x60\xeb\xd2\x33\xe6\xfa\x4c\x5a\x79" "\x7e\x4e\xd7\x9c\x61\x62\x7e\xf8\x79\x11\xa2", 164); *(uint64_t*)0x200026c8 = 0xa4; *(uint64_t*)0x200026d0 = 0x20000100; memcpy( (void*)0x20000100, "\xb5\x68\xb9\x43\xca\xcb\x00\xb4\x3c\xd4\x43\xe4\x51\xcc\xd8\xdb\xc5" "\x80\x21\x22\x7b\xcc\xe3\x8b\x1c\xbe\x53\xd0\x4c\x35\xda\xee\x08", 33); *(uint64_t*)0x200026d8 = 0x21; *(uint64_t*)0x200026e0 = 0x20000540; memcpy( (void*)0x20000540, "\x2a\x55\x1a\x1e\x5f\x95\x5c\x5a\x43\x4a\x02\xee\xf4\xcc\x2e\x87\x69" "\xd1\xa5\x88\xe7\x71\x71\x68\xa3\x1c\x7a\x10\x20\xc6\x8f\x79\x55\x3c" "\xdf\x1e\x07\xff\x36\x17\x9e\x72\x27\x75\xaa\xba\x06\xc1\x2f\x4a\x13" "\xf3\x82\xfb\xeb\x93\x7d\xca\x4e\x93\x7f\x8c\xc3\xf6\x59\xab\xfa\x77" "\xb6\xb2\x79\x70\x91\xb4\x65\xa3\xe0\x68\x71\x06\x5e\x60\x24\x6a\xa7" "\xcb\x03\xa3\xfd\x21\x18\x74\xcb\x62\xfd\xbc\x50\xfd\xf8\x86\xea\xfa" "\xd7\x31\x4a\xaa\x7e\x7e\x34\xef\x3a\x87\x46\x6e\x9f\x9a\xd6\x1f\xa9" "\x59\x4d\x89\x6c\x77\x34\x4e\x8c\xa7\x97\x14\x1c\x12", 132); *(uint64_t*)0x200026e8 = 0x84; *(uint64_t*)0x200026f0 = 0x20000280; memcpy((void*)0x20000280, "\x41\xfd\x56\x4f\xbe\xaa\xab\x86\x3d\xc3\x48\xe0\xd0\x7b\x64\x18" "\x63\x07\x93\x45\xbf\x50\xef\xa1\x57\xdc\x9d\x4e\x82\xd0\xb3\xba" "\x46\x5d\xef\xa8\x3a\x3f\x66\x9e\x83\xdc\x6a\x0e\xbd\xfc\x82\x88" "\x72\x2a\x7f\x6d\xb6\x92\x36\x34\xd8\x8b\x3b\x7f\xbd\x9e\xe7\x9d" "\xf1\xd8\x47\xdc\x70\x55\x34\x01\x06\xac\x49\xaa\xe0\xeb\xf8\x87" "\xf0\x29\x96\x20\x79\x84\x7b\x61\x05\x43\x75\xf7\x46\x7b\xbe\x9a" "\x93\xf6\xa3\x9f\x94\xd0\xcc\x7a\x77\x60\x88\xc2\xc1\x50\x5d", 111); *(uint64_t*)0x200026f8 = 0x6f; *(uint64_t*)0x20002700 = 0x20000400; memcpy((void*)0x20000400, "\xbc\x3b\xfd\x24\x00\x85\xbc\x6d\x06\x76\x04\xd6\x64\x64\x88\x53" "\x24\xf0\x63\x2b\xcf\x6d\x86\xe8\xe0\x6b\x1a\x2a\xa9\x2d\xd1\xaf" "\x55\xa6\x15\x50\x72\xed\x6c\xce\x34\x95\x83\xbf\x05\x1f\x91\xb3" "\x5a\xa2\x7d\xf8\xa8\x97\x97\x06\xb1\x3f\x33\x71\x74\x1f\x47\xdf" "\xf9\x49\x20\x97\x97\x6e\x79\xa3\x29\xae\x93\x13\x8f\x7e\x3a\x0b" "\x69\x7c\x94\x11\x55\xd8\xe0\xc4\xf8\x37\x97", 91); *(uint64_t*)0x20002708 = 0x5b; *(uint64_t*)0x20002710 = 0x20000600; memcpy( (void*)0x20000600, "\xe0\xe2\x03\x7e\xc6\xa3\x67\xec\x78\x9a\x75\x30\x40\x15\x8d\x52\x6d" "\x8d\x64\x08\x8d\xd3\x4e\x94\x2c\x90\xa4\xdb\x71\x05\x2d\x6b\x79\x10" "\x74\x85\xa0\x33\x1d\xbb\xbe\x0a\xf6\xa8\xc3\xd2\x01\xee\x8b\xed\xab" "\xa7\x44\x14\x3a\x17\xb2\x79\xbe\x45\xc1\x78\xaf\x34\x88\x7c\xe4\xa1" "\x20\x0f\xdf\x80\xab\x5d\xe5\x09\x37\x60\x2a\x5e\xd1\xde\xaf\x76\x0d" "\xb7\xe5\xa2\xb1\xb9\xcf\x7c\x5b\x1f\xf8\x16\x72\x29\xb9\xf4\xb3\xb3" "\x2d\x67\xbe\xc1\x52\x16\xb8\xe5\x86\xf6\x7d\xb1\x18\xba\x69\x80\x2a" "\x72\xb9\xdd\x06\x31\xab\x65\xdf\x5b\x1e\x36\x08\xdc\x81\xfc\xd7\x7b" "\x2c\x5e\x18\xd7\xec\xe7\x52\xf3\x28\xf4\x44\xf4\x82\x61\x8e\xd3\x57" "\xb3\x12\xa0\x4d\xab\x25\x62\x13\xeb\x00\xd1\xc7\xa9\xbc\xc0\xfd\x4d" "\xdc\x21\x14\xdc\x46\xdb\x25\x29\xd0\x10\x7d\x73\x8a\x0e\xeb\x75\x56" "\xc7\x1f\x4b\x2c\x0a\xf0\xd7\x95\xa0\x83\xab\x7d\x95\x69\x8e\x96\xf6" "\xd5\x7a\x16\x7c\x61\xb8\xa9\xa2\x00\x8e\xcf\xc0\xc5\x08\x30\x97\x14" "\x7c\x38\x16\xc2\xe6\xb3\x7b\x58\xe6\xb1\xeb\x62\x62\x07\x65\x7b\x08" "\xb5\x58\x70\x13\xb8\xd4\x0f\xa0\xb9\xb9\xea\x46\x87\xb4\xca\x52\x66" "\x5f\xca\x6f\xe6\x57\x84\x81\x6d\xd9\x02\x35\xde\x16\x97\x2c\x5f\xfd" "\x99\x2a\xe5\xf2\x73\x93\xd2\xef\x56\x49\x3f\xfe\x17\xb1\x86\xf5\xf5" "\x8a\x07\x74\x28\x54\x62\xc8\xea\x69\x70\xc3\xe2\x71\x3b\x44\x09\xeb" "\x37\xe9\x2f\x5b\x39\xdf\xea\x09\x1e\xea\x2b\xbe\xbd\x95\x6b\x56\x3c" "\x3e\x26\xd0\xd7\x30\x70\x5d\x73\x36\xfc\x73\xf1\x20\xc6\x3d\xe1\x88" "\x81\x89\x81\xe6\xdf\x0c\x81\x50\xb1\x03\x64\xcd\x5c\xf3\xf7\x24\x42" "\x6f\xb5\xa1\xf2\xae\xb2\x56\x67\x55\xf7\x2a\x61\x1c\xa8\x37\x28\xa3" "\xed\xb5\xae\x2c\x60\xed\xed\xd7\x8f\xdf\x44\x06\x1e\x8f\xee\xb7\x0d" "\xd1\x09\xce\xfa\x19\x20\x37\xd5\x20\x58\x74\x86\xc6\x86\x2d\x83\x14" "\x3e\x74\x3f\xe8\x53\x51\xff\xb5\xfa\xbb\x39\x03\x45\x71\x03\xe5\xb0" "\xf4\x02\x95\x71\x00\x66\x6c\xbf\x02\x93\x3a\x11\x2e\x48\x3f\x9d\x67" "\x5b\x9a\x1d\x96\x65\xb8\x05\xa5\x96\x87\xa3\xb3\xa8\x62\x9a\x27\xf5" "\x14\x66\x07\xe8\x1d\xe2\x37\xb4\x06\xf6\xb7\xad\x83\x42\xb2\x39\x77" "\xe2\xce\x02\x07\xa5\xf7\xd9\x23\x26\x7c\xef\xd4\x03\x3a\x00\x77\x12" "\xd3\x17\xcc\x0c\x65\x86\x48\x4b\x24\x60\x29\x4c\xea\x24\xc8\xb6\xd9" "\x27\x61\xb4\x2c\x4f\xb5\xf8\x0f\x26\x75\x26\xf0\xbc\x8c\x8b\x2f\xb6" "\xee\xb2\xee\x5f\x4a\x82\x54\xee\xf3\xc2\xe3\xa1\xf9\x41\x40\x5a\x30" "\xac\xef\xd1\xfa\x42\xe5\x80\x3e\xbd\x8a\xdf\xc3\xbd\x1d\xd0\x18\xa9" "\x50\x2c\x85\x6d\xd1\xeb\xf9\xce\x9b\xa8\xa3\x35\x57\x90\x82\x24\x02" "\x34\x57\x81\xc7\xca\xb3\x83\x13\xb7\xb1\xfd\xba\x3d\xf7\xa0\xd4\xd2" "\xd1\x50\x7b\xa9\xb7\xf4\x68\x94\x0b\x39\x9e\xca\xd1\x03\xca\xbc\xa8" "\x2b\xe8\x75\xf9\x80\x55\x3c\xc2\x66\x3e\x55\xd1\x5a\xc0\xfc\x84\xf7" "\x90\x03\xe1\x32\x97\x89\x23\x5b\x94\xc0\x70\x3a\xd5\xa1\x48\x6a\x46" "\x5e\xac\xc0\xa4\xd4\x23\xbf\xee\xc5\x1a\xcd\xef\xad\x62\xa4\x29\xcf" "\xbf\x4a\xc8\x13\xbb\x91\xcf\x6c\x5d\x9d\x3d\x15\xa7\xd6\x66\xad\x2e" "\x71\x24\x7d\x76\x49\x7d\xb0\xd1\x94\xaa\x32\x47\xbb\x2a\x14\xb4\x9f" "\x7f\x70\x5d\xb4\x69\x17\xd8\x95\x78\xf7\x46\xee\x3e\x95\x06\x00\xf0" "\x7e\x13\x80\xa3\x8d\xe2\x6a\x1e\x5f\x00\x07\xce\x26\x62\x40\xa1\x58" "\xa0\x79\x45\x62\x07\x54\xea\x14\x36\x02\xcd\x32\xd9\xe2\x5a\x8a\x25" "\x5e\x34\xc1\x2a\xfb\xea\xec\x5b\x84\xb4\x50\x46\x88\x16\xdb\x4d\x22" "\x38\x35\x2a\xb7\x0c\x37\x4d\xf1\x08\xe5\x5e\x76\x29\x0b\x39\xa5\xfc" "\xb5\x4c\x8b\x84\x3d\xcc\x29\x82\x1e\x11\xeb\x7c\xb8\xdc\xd7\xb7\x39" "\xa7\xc6\x48\x8f\xe3\xf5\x00\xea\x58\x82\x59\xda\x77\x74\x58\xbd\xbb" "\xe8\x56\x91\xd2\x88\x11\xa6\x45\x47\xee\x22\xf4\x40\xf6\x33\x92\xff" "\x5c\xcc\x85\x6c\x1f\xbd\x4e\x5c\xd6\x00\x24\xab\xea\xb0\x00\x96\xdc" "\xd7\x44\xf8\x3b\x80\xb4\xf9\x0a\xc8\x82\x04\x64\x19\x07\x67\x87\x2b" "\x56\x52\xbd\x55\xac\xed\xd3\x7f\x2b\x38\x98\x9b\x63\xfc\xe8\xbc\x2f" "\x3b\xfe\xd7\xcb\x43\xc0\x53\x54\x73\xed\x33\x4b\x5c\x62\x35\x25\xd8" "\x59\x58\xed\x4b\xa3\x5a\x6c\x95\x97\xd9\xca\x5b\x72\xbf\xd0\xa3\xa3" "\x25\x48\xb5\xde\x8f\xff\xe2\x7c\x83\x31\x70\x0a\x2e\xd4\x33\x7b\x59" "\x40\x1c\xbe\xff\x0f\x2f\x82\xef\x33\x9b\x7e\xc5\x97\x30\x57\x4d\x8d" "\x3a\xf3\x74\x2e\x79\xad\x4a\x0c\xc4\x8b\xce\x74\xb6\x70\xcc\x07\x63" "\x52", 970); *(uint64_t*)0x20002718 = 0x3ca; *(uint64_t*)0x20009158 = 6; *(uint64_t*)0x20009160 = 0; *(uint64_t*)0x20009168 = 0; *(uint32_t*)0x20009170 = 0; *(uint32_t*)0x20009178 = 0; *(uint64_t*)0x20009180 = 0; *(uint32_t*)0x20009188 = 0; *(uint64_t*)0x20009190 = 0; *(uint64_t*)0x20009198 = 0; *(uint64_t*)0x200091a0 = 0; *(uint64_t*)0x200091a8 = 0; *(uint32_t*)0x200091b0 = 0; *(uint32_t*)0x200091b8 = 0; *(uint64_t*)0x200091c0 = 0; *(uint32_t*)0x200091c8 = 0; *(uint64_t*)0x200091d0 = 0; *(uint64_t*)0x200091d8 = 0; *(uint64_t*)0x200091e0 = 0; *(uint64_t*)0x200091e8 = 0; *(uint32_t*)0x200091f0 = 0; *(uint32_t*)0x200091f8 = 0; *(uint64_t*)0x20009200 = 0; *(uint32_t*)0x20009208 = 0; *(uint64_t*)0x20009210 = 0; *(uint64_t*)0x20009218 = 0; *(uint64_t*)0x20009220 = 0; *(uint64_t*)0x20009228 = 0; *(uint32_t*)0x20009230 = 0; *(uint32_t*)0x20009238 = 0; syscall( __NR_sendmmsg, /*fd=*/r[0], /*mmsg=*/0x20008fc0ul, /*vlen=*/0xaul, /*f=MSG_FASTOPEN|MSG_PROBE|MSG_OOB|MSG_EOR|MSG_DONTWAIT*/ 0x200000d1ul); break; } } int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); const char* reason; (void)reason; do_sandbox_none(); return 0; }