// 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 #include static unsigned long long procid; 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); 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 mount_cgroups(const char* dir, const char** controllers, int count) { if (mkdir(dir, 0777)) { return; } char enabled[128] = {0}; int i = 0; for (; i < count; i++) { if (mount("none", dir, "cgroup", 0, controllers[i])) { continue; } umount(dir); strcat(enabled, ","); strcat(enabled, controllers[i]); } if (enabled[0] == 0) { if (rmdir(dir) && errno != EBUSY) exit(1); return; } if (mount("none", dir, "cgroup", 0, enabled + 1)) { if (rmdir(dir) && errno != EBUSY) exit(1); } if (chmod(dir, 0777)) { } } static void mount_cgroups2(const char** controllers, int count) { if (mkdir("/syzcgroup/unified", 0777)) { return; } if (mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL)) { if (rmdir("/syzcgroup/unified") && errno != EBUSY) exit(1); return; } if (chmod("/syzcgroup/unified", 0777)) { } int control = open("/syzcgroup/unified/cgroup.subtree_control", O_WRONLY); if (control == -1) return; int i; for (i = 0; i < count; i++) if (write(control, controllers[i], strlen(controllers[i])) < 0) { } close(control); } static void setup_cgroups() { const char* unified_controllers[] = {"+cpu", "+io", "+pids"}; const char* net_controllers[] = {"net", "net_prio", "devices", "blkio", "freezer"}; const char* cpu_controllers[] = {"cpuset", "cpuacct", "hugetlb", "rlimit", "memory"}; if (mkdir("/syzcgroup", 0777)) { return; } mount_cgroups2(unified_controllers, sizeof(unified_controllers) / sizeof(unified_controllers[0])); mount_cgroups("/syzcgroup/net", net_controllers, sizeof(net_controllers) / sizeof(net_controllers[0])); mount_cgroups("/syzcgroup/cpu", cpu_controllers, sizeof(cpu_controllers) / sizeof(cpu_controllers[0])); write_file("/syzcgroup/cpu/cgroup.clone_children", "1"); write_file("/syzcgroup/cpu/cpuset.memory_pressure_enabled", "1"); } static void setup_cgroups_loop() { int pid = getpid(); char file[128]; char cgroupdir[64]; snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid); if (mkdir(cgroupdir, 0777)) { } snprintf(file, sizeof(file), "%s/pids.max", cgroupdir); write_file(file, "32"); snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir); write_file(file, "%d", pid); snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid); if (mkdir(cgroupdir, 0777)) { } snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir); write_file(file, "%d", pid); snprintf(file, sizeof(file), "%s/memory.soft_limit_in_bytes", cgroupdir); write_file(file, "%d", 299 << 20); snprintf(file, sizeof(file), "%s/memory.limit_in_bytes", cgroupdir); write_file(file, "%d", 300 << 20); snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid); if (mkdir(cgroupdir, 0777)) { } snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir); write_file(file, "%d", pid); } static void setup_cgroups_test() { char cgroupdir[64]; snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid); if (symlink(cgroupdir, "./cgroup")) { } snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid); if (symlink(cgroupdir, "./cgroup.cpu")) { } snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid); if (symlink(cgroupdir, "./cgroup.net")) { } } static void setup_common() { 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)) { } } static void loop(); static void sandbox_common() { prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0); setsid(); 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); setup_common(); sandbox_common(); drop_caps(); if (unshare(CLONE_NEWNET)) { } write_file("/proc/sys/net/ipv4/ping_group_range", "0 65535"); setup_binderfs(); loop(); exit(1); } #define FS_IOC_SETFLAGS _IOW('f', 2, long) static void remove_dir(const char* dir) { int iter = 0; DIR* dp = 0; retry: while (umount2(dir, MNT_DETACH | UMOUNT_NOFOLLOW) == 0) { } dp = opendir(dir); if (dp == NULL) { if (errno == EMFILE) { exit(1); } exit(1); } struct dirent* ep = 0; while ((ep = readdir(dp))) { if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0) continue; char filename[FILENAME_MAX]; snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name); while (umount2(filename, MNT_DETACH | UMOUNT_NOFOLLOW) == 0) { } struct stat st; if (lstat(filename, &st)) exit(1); if (S_ISDIR(st.st_mode)) { remove_dir(filename); continue; } int i; for (i = 0;; i++) { if (unlink(filename) == 0) break; if (errno == EPERM) { int fd = open(filename, O_RDONLY); if (fd != -1) { long flags = 0; if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) { } close(fd); continue; } } if (errno == EROFS) { break; } if (errno != EBUSY || i > 100) exit(1); if (umount2(filename, MNT_DETACH | UMOUNT_NOFOLLOW)) exit(1); } } closedir(dp); for (int i = 0;; i++) { if (rmdir(dir) == 0) break; if (i < 100) { if (errno == EPERM) { int fd = open(dir, O_RDONLY); if (fd != -1) { long flags = 0; if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) { } close(fd); continue; } } if (errno == EROFS) { break; } if (errno == EBUSY) { if (umount2(dir, MNT_DETACH | UMOUNT_NOFOLLOW)) exit(1); continue; } if (errno == ENOTEMPTY) { if (iter < 100) { iter++; goto retry; } } } 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_loop() { setup_cgroups_loop(); } static void setup_test() { prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0); setpgrp(); setup_cgroups_test(); write_file("/proc/self/oom_score_adj", "1000"); if (symlink("/dev/binderfs", "./binderfs")) { } } 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) { int i, call, thread; for (call = 0; call < 9; 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 (call == 7) break; 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) { setup_loop(); int iter = 0; for (;; iter++) { char cwdbuf[32]; sprintf(cwdbuf, "./%d", iter); if (mkdir(cwdbuf, 0777)) exit(1); int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { if (chdir(cwdbuf)) exit(1); setup_test(); execute_one(); exit(0); } int status = 0; uint64_t start = current_time_ms(); for (;;) { if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; sleep_ms(1); if (current_time_ms() - start < 5000) continue; kill_and_wait(pid, &status); break; } remove_dir(cwdbuf); } } uint64_t r[3] = {0xffffffffffffffff, 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" 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"\x3b\x9f\xf0\x53\x71\x9b\xaf\xf8\x71\xbc\xd8\x38\x22\xd8\x65\xb2\xf7" "\xef\x02\x30\x76\x42\x5a\xc5\xcd\x71\xb1\xf2\x30\x9d\xe0\xc6\xf1\x4c" "\xc9\xc4\xd3\xe8\xfa\xd9\x45\xf7\x56\xa7\xc8\xa0\x84\xea\x1b\xfd\xf5" "\xac\x6e\x74\x00\x43\xe7\xf7\xbd\xac\xa0\x67\x74\xb0\x84\xae\x31\x4c" "\x26\x36\x52\x9d\x4f\xdc\xd9\x65\xc7\xf8\xc0\x71\x56\x57\x26\x20\xb8" "\x27\xd6\x94\xef\xdc\x9d\x2b\xfc\x5a\xa9\x39\x12\x20\xa8\x37\x65\xf2" "\xc7\x1f\xcd\x48\xd4\xac\xae\xd6\x0a\xfb\x53\xd1\x01\x3f\xa3\xb1\x5e" "\x94\x8e\xc4\x15\x9f\x7d\x13\x0e\xf8\x5b\x59\x40\x18\x34\x6e\x99\x03" "\x4c\x18\x73\x82\x85\x22\x3e\xa5\x3a\x6b\x1d\x5c\xf1\x1a\x60\x7d\xe2" "\xe1\x96\x08\xba\x03\xec\x97\x0a\x91\x5b\x77\x38\x24\x26\x1f\x3f\xc9" "\x31\xdd\x6d\x3b\x93\x4d\x89\xf0\x7b\xaf\x14\x77\x63\x14\xc3\xee\xb8" "\xcd\x05\x37\xef\x57\x36\xf5\x65\xfb\xd1\x4e\x52\x0d\x4a\xb2\xf7\x7e" "\xd9\x59\x7b\x76\xff\x91\xf8\xd1\xf9\x9e\xbd\x6e\x47\x3e\xfd\xa7\xac" "\xcb\x27\x39\x75\xa0\x69\x44\xd1\x03\x70\x32\x12\x99\x92\xb9\x94\xca" "\x79\x1a\x09\xb4\xd8\x39\x80\xa1\xe4\x94\xb0\xf9\x70\x98\xdf\x5f\x6f" "\xb6\xbb\xb0\x27\x22\xad\xb1\x1d\xc3\x19\xc5\x65\xc2\xc3\x63\xcb\xd1" "\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: *(uint64_t*)0x20003b00 = 0; *(uint32_t*)0x20003b08 = 0; *(uint64_t*)0x20003b10 = 0; *(uint64_t*)0x20003b18 = 0; *(uint64_t*)0x20003b20 = 0; *(uint64_t*)0x20003b28 = 0; *(uint32_t*)0x20003b30 = 0; *(uint32_t*)0x20003b38 = 0; *(uint64_t*)0x20003b40 = 0; *(uint32_t*)0x20003b48 = 0; *(uint64_t*)0x20003b50 = 0; *(uint64_t*)0x20003b58 = 0; *(uint64_t*)0x20003b60 = 0; *(uint64_t*)0x20003b68 = 0; *(uint32_t*)0x20003b70 = 0; *(uint32_t*)0x20003b78 = 0; *(uint64_t*)0x20003b80 = 0; *(uint32_t*)0x20003b88 = 0; *(uint64_t*)0x20003b90 = 0; *(uint64_t*)0x20003b98 = 0; *(uint64_t*)0x20003ba0 = 0; *(uint64_t*)0x20003ba8 = 0; *(uint32_t*)0x20003bb0 = 0; *(uint32_t*)0x20003bb8 = 0; syscall(__NR_sendmmsg, /*fd=*/r[1], /*mmsg=*/0x20003b00ul, /*vlen=*/3ul, /*f=*/0ul); break; case 3: res = syscall(__NR_dup2, /*oldfd=*/r[1], /*newfd=*/r[0]); if (res != -1) r[2] = res; break; case 4: syscall(__NR_write, /*fd=*/r[2], /*data=*/0ul, /*len=*/0ul); break; case 5: *(uint32_t*)0x20000040 = -1; syscall(__NR_setsockopt, /*fd=*/r[0], /*level=*/1, /*optname=*/0x21, /*optval=*/0x20000040ul, /*optlen=*/4ul); break; case 6: *(uint64_t*)0x20005680 = 0; *(uint32_t*)0x20005688 = 0; *(uint64_t*)0x20005690 = 0; *(uint64_t*)0x20005698 = 0; *(uint64_t*)0x200056a0 = 0; *(uint64_t*)0x200056a8 = 0; *(uint32_t*)0x200056b0 = 0; syscall(__NR_sendmsg, /*fd=*/r[0], /*msg=*/0x20005680ul, /*f=MSG_ZEROCOPY|MSG_PROBE|MSG_NOSIGNAL*/ 0x4004010ul); break; case 7: *(uint64_t*)0x20003e80 = 0; *(uint32_t*)0x20003e88 = 0; *(uint64_t*)0x20003e90 = 0; *(uint64_t*)0x20003e98 = 0; *(uint64_t*)0x20003ea0 = 0; *(uint64_t*)0x20003ea8 = 0; *(uint32_t*)0x20003eb0 = 0; syscall(__NR_sendmsg, /*fd=*/r[2], /*msg=*/0x20003e80ul, /*f=*/0ul); break; case 8: *(uint64_t*)0x20006bc0 = 0; *(uint32_t*)0x20006bc8 = 0; *(uint64_t*)0x20006bd0 = 0x20006a80; *(uint64_t*)0x20006a80 = 0x200056c0; memcpy((void*)0x200056c0, "\x06\x55\x3c\x2a\x0b\xd6\x0d\xd9\xdf\x8e\x50\x08\x2c\x2b\x84\x63" "\xeb\xbd\x01\x4d\x29\xae\x0b\x65\xbb\x63\x89\x6b\xc7\x21\x92\x72" "\x71\xe4\x0d\x3e\xb4\xfe\x6e\x59\xbb\xda\x11\x8e\xbd\xbd\x24\xbf" "\x70\xee\xe9\xb4\xb7\xfc\x17\xce\x08\x14\xf8\x8b\x69\xc1\x68\x17" "\x60\xc6\xc7\xc5\x67\x8c\xce\xc3\xa0\xde\x04\x1c\x3a\x20\xc0\xd9" "\xcc\x8c\x6b\xe6\x3d\x38\x9f\xdb\xc9\x95\x8e\x15\x8e\xfe\xbd\x64" "\xd9\x36\xa0\xfd\xc1\x6a\xf5\xc1\xaf\xa5\x62\x4f\x9b\x8b\xdd\xeb" "\x07\xea\xf4\x3a\xd7\x1e\xfa\x98\x89\xd4\x3c\x17\x9b\x75\xa0\x55" "\xec\xe9\xc5\x57\x91\x6a\xd4\x25\xfa\x12\xbc\x9f\x04\xa3\x4e\x03" "\x24\xaa\x7b\xfd\x75\x4c\xa3\x2a\xfc\xab\x08\x19\xbe\x4b\xcc\xd1" "\x2a\x83\x2e\x3b\x30\x51\x21\xa7\xb0\x82\x2d\x76\xa1\xeb\x50\x21" "\x8c\xb0\xfe\xa4\x64\x79\xe9\xc5\x10\xff\x1e\xc5\x23\xa3", 190); *(uint64_t*)0x20006a88 = 0xbe; *(uint64_t*)0x20006a90 = 0x20005780; memcpy((void*)0x20005780, "\x43\xa2\xed\x62\x9f\x6f\x6d\x5e\xdd\xc6\x2c\xdb\xb6\xb4\x45\x3e" "\xaa\x8e\x45\x62\x51\xea\xcd\x4b\x2b\x25\x40\xa5\xdb\x39\x8a\xcc" "\xc2\x39\x81\xf0\xc8\xc0\x18\x1c\x8c\x13\x11\xc3\x9c\x0b\x7f\xd2" "\x4c\x44\xf7\x7d\xb1\xd3\xee\x15\x2c\x92\xf5\x5d\x6f\x5a\x0e\x55" "\x2a\x24\xc8\xa7\x2d\xee\xdd\x3a\x54\x2e\x26\xea\x0c\xf3\x65\xf5" "\x4b\x24\x9f\xd1\x60\x72\x99\x8c\xc8\xeb\x0b\x7e\xef\xfb\xc3\xd1" "\xd1\x31\xf5\x25\x4b\x37\x7f\x3b\x30\x42\xac\x90\x29\x59\x76\x80" "\xfd\xd2\x82\x04\xc9\x42\xca\xad\x9c\xc2\x92\xfe\x81\xe0\x86\xb4" "\x75\x9d\x56\xbe\xd7\xfa\xae\x0c\x3e\x7b\xa8\x6b\xbe\xa2\x77\x95" "\x66\x9d\x1d\xda\x87\xfa\x57\xdc\xb4\x7e\xb6\x34", 156); *(uint64_t*)0x20006a98 = 0x9c; *(uint64_t*)0x20006aa0 = 0x20005840; memcpy( (void*)0x20005840, "\x29\xf6\x56\xa0\x46\xa4\xfa\x2e\x22\x75\xd4\xa6\xa7\x7b\xc1\x8b\x4c" "\x96\x98\x87\x04\x09\x38\x94\xd5\xe1\xf3\x53\xcd\x1f\xcd\xb2\x4d\xa1" "\xac\x86\xca\x12\xcb\xcd\xd7\x88\x99\x3a\x7c\xa7\x74\xc0\x07\xce\x38" "\x9a\x65\xa2\x6f\xee\x8a\x41\xb6\x3f\x94\xea\x66\xe1\x83\x28\xf6\x42" "\xbd\xa2\xd7\xe7\x39\xc7\x71\x09\x37\xea\x32\x0f\x18\xd0\x14\x5e\xf7" "\x5e\xc4\x35\x64\xb2\x11\x57\x49\x4b\x29\x63\x40\x10\x49\x46\xf2\xc6" "\x54\x7d\xe1\xb3\xa5\x98\x61\x69\xec\xc8\x38\x7b\xc8\xcc\x61\x1b\x99" "\xa9\xcb\xae\x6c\xe9\x2b\x02\xdd\x3b\x65\xc5\x06\x49\x57\xe8\x90\x3b" "\xbc\x70\x2e\x50\x7b\x13\x69\x10\x01\xd1\xfa\xb5\xe6\xef\xd0\x09\xa4" "\x03\x62\xa0\xcb\x2b\x4a\x28\x5e\xf5\xb8\x57\x74\x43\x3e\xf6\x12\xe7" "\xfd\x21\xb1\x00\x12\x64\x75\x59\xbd\xd7\x79\xc9\x38\x10\x89\xfe\x8d" "\x12\xeb\xc9\x1a\x8d\xf5\x41\x59\x77\x48\x27\xa4\x63\xe5\x0a\x4b\xfd" "\x3b\xbd\xfe\x9e\xda\x0d\x11\x0f\x1b\x4f\xa3\x5c\x71\xc7\x13\x47\x3d" "\x90\xcb\x25\xba\x4d\x70\x59\x08\x83\x41\xfc\xd2\xec\x5a\x2e\x12\x53" "\xdc\xaf\x7c\xf4\x00\xb6\xf9\x8d\x6b\xa9\x0d\x1f\x39\xc3\x86\xde\x7d" "\xa8\xcd\xd2\x90\xa9\xf3\xe8\x61\xd9\xe5\x2d\xbc\xaa\xe2\xb9\x6e\xc1" "\x91\x2a\x44\x7f\x4e\x51\x0a\xb6\x91\xab\xe0\x9b\xc7\x3a\xee\x32\x6f" "\x59\xd5\x4d\x85\x73\x62\xf3\x6e\xe7\x6f\xb1\x10\xf2\xdf\x3d\xa1\x36" "\x56\x64\x83\xe1\xe1\xd3\xe1\xd0\x14\x03\xfb\xe5\xbe\xd4\x87\xcf\x94" "\xa0\x26\x34\x66\x0f\xcd\x8f\x5e\xf0\x60\x54\xc3\x32\x6d\xef\x0f\x34" "\x7a\x5d\x7d\xa1\x7c\xc7\xdd\x00\x08\xf4\x4f\x0c\x45\xb8\xce\xd6\xc9" "\xed\x20\x73\xdb\xc6\x01\xac\xe3\x26\x36\x31\x4e\x34\x4a\x20\x65\xed" "\x5e\xdd\x52\x1d\xcb\x40\x0e\x02\xbe\xd9\xb1\xfd\xd2\x59\x37\x36\x40" "\x93\xbb\x88\x4e\x71\x8c\x7a\x06\x02\xe5\xe0\xc3\x7b\x95\xfa\x13\x8c" "\xe6\xc4\x8a\xed\x9b\x47\xe4\x93\x94\x2f\x0d\x2b\x06\x07\x97\x81\x8b" "\xd1\x7a\x03\x8c\x1c\x4d\xd7\xd9\x5c\x99\x1c\xd1\x5d\x08\x4e\xf5\x31" "\xac\x20\xc4\xdb\xe0\xaf\xa7\x17\x46\x20\x77\xe8\x36\x97\xee\x4f\x2b" "\x68\xc9\xa0\x0e\x59\x38\x83\x87\xbb\xc9\x33\xf4\xef\x8f\x0a\x4b\xf1" "\xd9\x75\x48\xca\x61\x14\x8f\x01\xd7\xdb\x67\xbf\xe8\x85\xd9\xd6\xe4" "\x49\x0f\x9e\x71\xfe\x45\xed\x0a\xdb\x71\x56\x29\x64\xe1\xb8\x9d\x6c" "\x61\x32\xd9\xa1\xbc\xa8\xe4\xe8\x6a\xa5\xfd\x3b\x45\x24\xcf\x79\x44" "\x72\xf4\xf1\x72\x62\x09\x66\x81\xed\xa2\xd0\x38\x3b\x9a\xdd\x7c\x3f" "\x92\xc2\x1f\x69\xca\x86\xd1\x45\xe6\xd3\x57\x70\xc4\x21\xb0\x6e\x2f" "\x41\xdb\xd9\x17\xc7\x3d\x0f\x90\x31\x79\x6e\x33\xf1\x78\x94\xb3\x3e" "\x8d\x14\x3b\x7e\x8f\xed\x12\x5c\x78\x7f\xc1\x9d\x5d\x54\x3b\x24\xec" "\x6e\x27\x21\x8b\x42\xc3\x4b\x45\x93\xfb\x36\x28\xed\x28\xc4\x90\x55" "\xd8\x75\x8b\x9f\x16\x51\x6e\x85\x7c\xc9\x80\x9b\xa3\xde\x3f\xd3\xdf" "\x01\x81\xf5\x55\xce\x1a\xcf\xcc\xb0\xd9\x84\xd3\xfa\xbb\x15\x33\x30" "\xba\x36\x66\xec\x58\x47\xe7\x82\xc3\xc6\xa8\xe9\x97\x37\xfc\xa6\x24" "\xca\xd5\x71\xc7\xe2\x5b\xf2\x5b\x89\x2b\xdc\x22\x80\x1e\x6d\xe1\x4c" "\x54\x58\xce\xc1\xd7\xce\x57\xfc\x64\xa8\x8e\x05\x89\xcb\x3d\xfb\x33" "\x9d\x29\xc3\x4e\xb5\x7f\x8d\xe7\x23\xa3\x8c\xe3\x25\xdb\xe9\x02\x9a" "\xca\x0e\x89\xb1\xa3\x18\x2a\x70\xe4\xa8\x3b\x11\x92\x01\x46\x5b\x38" "\x57\x6b\xa7\xdc\x74\x1f\x3e\xcc\xdf\xa4\x59\x6e\xb1\x60\xbe\x5b\xc6" "\x04\x42\x86\x49\x9c\x5b\xc9\x75\xf1\xa8\xe5\x0b\xc3\x4a\x25\xa5\x02" "\x2e\x71\x6e\x93\x29\x56\xb9\x30\x49\xd1\x84\x3d\x26\x85\x93\xb8\xb0" "\xd0\xd6\x8b\x97\x78\x35\x71\x1c\xf9\xf3\xa3\x8a\x4e\x31\xed\xea\x07" "\x39\xb4\x4d\x69\xbb\x89\xad\xca\x67\xf7\xed\xce\x74\xf9\x98\x7c\x57" "\x4d\xa4\xd2\x3b\xb9\x6e\xe2\x42\x0d\xfa\x1a\x95\x01\x90\x47\x6a\xbb" "\xa0\x9b\xe4\x5c\x58\xc4\x0f\xfb\xeb\x5f\x8b\xc1\x0f\xa1\xf4\x88\xb3" "\xf4\x87\xa2\xa6\x27\x9c\x0d\x4c\x1f\xff\x5e\x3f\x46\x2a\x27\xcb\xce" "\xe0\x56\x88\xfa\x71\x70\x80\xf6\x27\x4c\x69\xf8\xb9\x17\x6d\x44\xdf" "\xa7\xe2\x2c\x1c\x4b\xf7\xed\x35\xbf\x6a\xfc\xef\xf4\x78\x2b\xc4\x46" "\x42\xf5\xef\xdd\xc5\x7f\x2b\xc1\xac\xee\x7b\xbb\x29\x5f\x3f\xf6\x14" "\x04\x9c\x06\x7a\xef\x54\x2d\xa6\x57\x4a\x95\x3c\x89\xbe\x6b\x62\xb5" "\xf1\x5a\x34\x62\x28\x37\x1e\x25\xc9\x79\x3b\x11\x9d\xde\x9c\x0f\x5e" "\x13\x31\x58\xd6\xb6\x27\xda\x9c\xb5\x32\x7e\x57\xf2\xa9\x3e\x18\xc2" "\x35\x4a\x0c\xea\x85\xe6\xcd\xc1\x32\x44\x08\x79\x42\x03\x2e\x07\xcd" "\xdb\xd8\x10\x48\x8b\x54\x16\xfc\xc9\x1b\xde\x7b\xa5\x4d\x89\x94\xcd" "\xc5\xd1\x71\xa9\xc2\x55\xe2\xba\x62\xda\xb7\xe6\x55\x76\xea\xab\xf7" "\x0d\xe9\xd5\x1a\x78\xaa\x86\xd0\x7d\x89\x29\x71\xdd\x3d\x4e\xb1\xc1" "\x4f\x06\x4b\xca\x2d\x45\x27\x17\x39\x98\xc7\xb6\xea\x46\x4a\x6e\x98" "\x60\x78\xee\xd2\xb7\xef\x1e\xa7\xb4\xe7\x43\xcf\xf3\x17\xd2\xfc\x44" "\x3f\xbc\x3c\x08\x32\xee\x7d\x9d\x5a\x72\x42\xde\xa7\xea\x41\x63\xdd" "\x6b\xdc\xa6\xaa\x17\x20\x2e\xca\xc7\xe7\xd1\xff\xde\x11\x2e\xb8\x69" "\x00\x8d\xa6\xbf\xce\xae\xed\x74\xdd\xa3\xfd\xf8\x22\x42\x7a\x96\x44" "\x5c\xd8\x6f\x0c\x4c\x25\xd8\x52\x71\xef\x78\xa2\xb2\x3a\x1c\x99\x2d" "\xd7\x47\xd8\x76\x9d\x42\xa8\xbb\x91\x05\xc9\xa9\x8b\x7c\x37\xd7", 1155); *(uint64_t*)0x20006aa8 = 0x483; *(uint64_t*)0x20006bd8 = 3; *(uint64_t*)0x20006be0 = 0; *(uint64_t*)0x20006be8 = 0; *(uint32_t*)0x20006bf0 = 0; syscall(__NR_sendmsg, /*fd=*/r[0], /*msg=*/0x20006bc0ul, /*f=*/0ul); 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); setup_cgroups(); for (procid = 0; procid < 5; procid++) { if (fork() == 0) { use_temporary_dir(); do_sandbox_none(); } } sleep(1000000); return 0; }