// https://syzkaller.appspot.com/bug?id=db4e568fef441244bcd2baf5c185754a9ad24b66 // 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 static unsigned long long procid; 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; int skip = __atomic_load_n(&skip_segv, __ATOMIC_RELAXED) != 0; int valid = addr < prog_start || addr > prog_end; if (skip && valid) { _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(...) \ ({ \ int ok = 1; \ __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST); \ if (_setjmp(segv_env) == 0) { \ __VA_ARGS__; \ } else \ ok = 0; \ __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST); \ ok; \ }) 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 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 #define BTPROTO_HCI 1 #define ACL_LINK 1 #define SCAN_PAGE 2 typedef struct { uint8_t b[6]; } __attribute__((packed)) bdaddr_t; #define HCI_COMMAND_PKT 1 #define HCI_EVENT_PKT 4 #define HCI_VENDOR_PKT 0xff struct hci_command_hdr { uint16_t opcode; uint8_t plen; } __attribute__((packed)); struct hci_event_hdr { uint8_t evt; uint8_t plen; } __attribute__((packed)); #define HCI_EV_CONN_COMPLETE 0x03 struct hci_ev_conn_complete { uint8_t status; uint16_t handle; bdaddr_t bdaddr; uint8_t link_type; uint8_t encr_mode; } __attribute__((packed)); #define HCI_EV_CONN_REQUEST 0x04 struct hci_ev_conn_request { bdaddr_t bdaddr; uint8_t dev_class[3]; uint8_t link_type; } __attribute__((packed)); #define HCI_EV_REMOTE_FEATURES 0x0b struct hci_ev_remote_features { uint8_t status; uint16_t handle; uint8_t features[8]; } __attribute__((packed)); #define HCI_EV_CMD_COMPLETE 0x0e struct hci_ev_cmd_complete { uint8_t ncmd; uint16_t opcode; } __attribute__((packed)); #define HCI_OP_WRITE_SCAN_ENABLE 0x0c1a #define HCI_OP_READ_BUFFER_SIZE 0x1005 struct hci_rp_read_buffer_size { uint8_t status; uint16_t acl_mtu; uint8_t sco_mtu; uint16_t acl_max_pkt; uint16_t sco_max_pkt; } __attribute__((packed)); #define HCI_OP_READ_BD_ADDR 0x1009 struct hci_rp_read_bd_addr { uint8_t status; bdaddr_t bdaddr; } __attribute__((packed)); #define HCI_EV_LE_META 0x3e struct hci_ev_le_meta { uint8_t subevent; } __attribute__((packed)); #define HCI_EV_LE_CONN_COMPLETE 0x01 struct hci_ev_le_conn_complete { uint8_t status; uint16_t handle; uint8_t role; uint8_t bdaddr_type; bdaddr_t bdaddr; uint16_t interval; uint16_t latency; uint16_t supervision_timeout; uint8_t clk_accurancy; } __attribute__((packed)); struct hci_dev_req { uint16_t dev_id; uint32_t dev_opt; }; struct vhci_vendor_pkt { uint8_t type; uint8_t opcode; uint16_t id; }; #define HCIDEVUP _IOW('H', 201, int) #define HCISETSCAN _IOW('H', 221, int) static int vhci_fd = -1; static void rfkill_unblock_all() { int fd = open("/dev/rfkill", O_WRONLY); if (fd < 0) exit(1); struct rfkill_event event = {0}; event.idx = 0; event.type = RFKILL_TYPE_ALL; event.op = RFKILL_OP_CHANGE_ALL; event.soft = 0; event.hard = 0; if (write(fd, &event, sizeof(event)) < 0) exit(1); close(fd); } static void hci_send_event_packet(int fd, uint8_t evt, void* data, size_t data_len) { struct iovec iv[3]; struct hci_event_hdr hdr; hdr.evt = evt; hdr.plen = data_len; uint8_t type = HCI_EVENT_PKT; iv[0].iov_base = &type; iv[0].iov_len = sizeof(type); iv[1].iov_base = &hdr; iv[1].iov_len = sizeof(hdr); iv[2].iov_base = data; iv[2].iov_len = data_len; if (writev(fd, iv, sizeof(iv) / sizeof(struct iovec)) < 0) exit(1); } static void hci_send_event_cmd_complete(int fd, uint16_t opcode, void* data, size_t data_len) { struct iovec iv[4]; struct hci_event_hdr hdr; hdr.evt = HCI_EV_CMD_COMPLETE; hdr.plen = sizeof(struct hci_ev_cmd_complete) + data_len; struct hci_ev_cmd_complete evt_hdr; evt_hdr.ncmd = 1; evt_hdr.opcode = opcode; uint8_t type = HCI_EVENT_PKT; iv[0].iov_base = &type; iv[0].iov_len = sizeof(type); iv[1].iov_base = &hdr; iv[1].iov_len = sizeof(hdr); iv[2].iov_base = &evt_hdr; iv[2].iov_len = sizeof(evt_hdr); iv[3].iov_base = data; iv[3].iov_len = data_len; if (writev(fd, iv, sizeof(iv) / sizeof(struct iovec)) < 0) exit(1); } static bool process_command_pkt(int fd, char* buf, ssize_t buf_size) { struct hci_command_hdr* hdr = (struct hci_command_hdr*)buf; if (buf_size < (ssize_t)sizeof(struct hci_command_hdr) || hdr->plen != buf_size - sizeof(struct hci_command_hdr)) { exit(1); } switch (hdr->opcode) { case HCI_OP_WRITE_SCAN_ENABLE: { uint8_t status = 0; hci_send_event_cmd_complete(fd, hdr->opcode, &status, sizeof(status)); return true; } case HCI_OP_READ_BD_ADDR: { struct hci_rp_read_bd_addr rp = {0}; rp.status = 0; memset(&rp.bdaddr, 0xaa, 6); hci_send_event_cmd_complete(fd, hdr->opcode, &rp, sizeof(rp)); return false; } case HCI_OP_READ_BUFFER_SIZE: { struct hci_rp_read_buffer_size rp = {0}; rp.status = 0; rp.acl_mtu = 1021; rp.sco_mtu = 96; rp.acl_max_pkt = 4; rp.sco_max_pkt = 6; hci_send_event_cmd_complete(fd, hdr->opcode, &rp, sizeof(rp)); return false; } } char dummy[0xf9] = {0}; hci_send_event_cmd_complete(fd, hdr->opcode, dummy, sizeof(dummy)); return false; } static void* event_thread(void* arg) { while (1) { char buf[1024] = {0}; ssize_t buf_size = read(vhci_fd, buf, sizeof(buf)); if (buf_size < 0) exit(1); if (buf_size > 0 && buf[0] == HCI_COMMAND_PKT) { if (process_command_pkt(vhci_fd, buf + 1, buf_size - 1)) break; } } return NULL; } #define HCI_HANDLE_1 200 #define HCI_HANDLE_2 201 static void initialize_vhci() { int hci_sock = socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI); if (hci_sock < 0) exit(1); vhci_fd = open("/dev/vhci", O_RDWR); if (vhci_fd == -1) exit(1); const int kVhciFd = 241; if (dup2(vhci_fd, kVhciFd) < 0) exit(1); close(vhci_fd); vhci_fd = kVhciFd; struct vhci_vendor_pkt vendor_pkt; if (read(vhci_fd, &vendor_pkt, sizeof(vendor_pkt)) != sizeof(vendor_pkt)) exit(1); if (vendor_pkt.type != HCI_VENDOR_PKT) exit(1); pthread_t th; if (pthread_create(&th, NULL, event_thread, NULL)) exit(1); int ret = ioctl(hci_sock, HCIDEVUP, vendor_pkt.id); if (ret) { if (errno == ERFKILL) { rfkill_unblock_all(); ret = ioctl(hci_sock, HCIDEVUP, vendor_pkt.id); } if (ret && errno != EALREADY) exit(1); } struct hci_dev_req dr = {0}; dr.dev_id = vendor_pkt.id; dr.dev_opt = SCAN_PAGE; if (ioctl(hci_sock, HCISETSCAN, &dr)) exit(1); struct hci_ev_conn_request request; memset(&request, 0, sizeof(request)); memset(&request.bdaddr, 0xaa, 6); *(uint8_t*)&request.bdaddr.b[5] = 0x10; request.link_type = ACL_LINK; hci_send_event_packet(vhci_fd, HCI_EV_CONN_REQUEST, &request, sizeof(request)); struct hci_ev_conn_complete complete; memset(&complete, 0, sizeof(complete)); complete.status = 0; complete.handle = HCI_HANDLE_1; memset(&complete.bdaddr, 0xaa, 6); *(uint8_t*)&complete.bdaddr.b[5] = 0x10; complete.link_type = ACL_LINK; complete.encr_mode = 0; hci_send_event_packet(vhci_fd, HCI_EV_CONN_COMPLETE, &complete, sizeof(complete)); struct hci_ev_remote_features features; memset(&features, 0, sizeof(features)); features.status = 0; features.handle = HCI_HANDLE_1; hci_send_event_packet(vhci_fd, HCI_EV_REMOTE_FEATURES, &features, sizeof(features)); struct { struct hci_ev_le_meta le_meta; struct hci_ev_le_conn_complete le_conn; } le_conn; memset(&le_conn, 0, sizeof(le_conn)); le_conn.le_meta.subevent = HCI_EV_LE_CONN_COMPLETE; memset(&le_conn.le_conn.bdaddr, 0xaa, 6); *(uint8_t*)&le_conn.le_conn.bdaddr.b[5] = 0x11; le_conn.le_conn.role = 1; le_conn.le_conn.handle = HCI_HANDLE_2; hci_send_event_packet(vhci_fd, HCI_EV_LE_META, &le_conn, sizeof(le_conn)); pthread_join(th, NULL); close(hci_sock); } struct fs_image_segment { void* data; uintptr_t size; uintptr_t offset; }; #define IMAGE_MAX_SEGMENTS 4096 #define IMAGE_MAX_SIZE (129 << 20) #define sys_memfd_create 319 static unsigned long fs_image_segment_check(unsigned long size, unsigned long nsegs, struct fs_image_segment* segs) { if (nsegs > IMAGE_MAX_SEGMENTS) nsegs = IMAGE_MAX_SEGMENTS; for (size_t i = 0; i < nsegs; i++) { if (segs[i].size > IMAGE_MAX_SIZE) segs[i].size = IMAGE_MAX_SIZE; segs[i].offset %= IMAGE_MAX_SIZE; if (segs[i].offset > IMAGE_MAX_SIZE - segs[i].size) segs[i].offset = IMAGE_MAX_SIZE - segs[i].size; if (size < segs[i].offset + segs[i].offset) size = segs[i].offset + segs[i].offset; } if (size > IMAGE_MAX_SIZE) size = IMAGE_MAX_SIZE; return size; } static int setup_loop_device(long unsigned size, long unsigned nsegs, struct fs_image_segment* segs, const char* loopname, int* memfd_p, int* loopfd_p) { int err = 0, loopfd = -1; size = fs_image_segment_check(size, nsegs, segs); int memfd = syscall(sys_memfd_create, "syzkaller", 0); if (memfd == -1) { err = errno; goto error; } if (ftruncate(memfd, size)) { err = errno; goto error_close_memfd; } for (size_t i = 0; i < nsegs; i++) { if (pwrite(memfd, segs[i].data, segs[i].size, segs[i].offset) < 0) { } } loopfd = open(loopname, O_RDWR); if (loopfd == -1) { err = errno; goto error_close_memfd; } if (ioctl(loopfd, LOOP_SET_FD, memfd)) { if (errno != EBUSY) { err = errno; goto error_close_loop; } ioctl(loopfd, LOOP_CLR_FD, 0); usleep(1000); if (ioctl(loopfd, LOOP_SET_FD, memfd)) { err = errno; goto error_close_loop; } } *memfd_p = memfd; *loopfd_p = loopfd; return 0; error_close_loop: close(loopfd); error_close_memfd: close(memfd); error: errno = err; return -1; } static long syz_mount_image(volatile long fsarg, volatile long dir, volatile unsigned long size, volatile unsigned long nsegs, volatile long segments, volatile long flags, volatile long optsarg) { struct fs_image_segment* segs = (struct fs_image_segment*)segments; int res = -1, err = 0, loopfd = -1, memfd = -1, need_loop_device = !!segs; char* mount_opts = (char*)optsarg; char* target = (char*)dir; char* fs = (char*)fsarg; char* source = NULL; char loopname[64]; if (need_loop_device) { memset(loopname, 0, sizeof(loopname)); snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid); if (setup_loop_device(size, nsegs, segs, loopname, &memfd, &loopfd) == -1) return -1; source = loopname; } mkdir(target, 0777); char opts[256]; memset(opts, 0, sizeof(opts)); if (strlen(mount_opts) > (sizeof(opts) - 32)) { } strncpy(opts, mount_opts, sizeof(opts) - 32); if (strcmp(fs, "iso9660") == 0) { flags |= MS_RDONLY; } else if (strncmp(fs, "ext", 3) == 0) { if (strstr(opts, "errors=panic") || strstr(opts, "errors=remount-ro") == 0) strcat(opts, ",errors=continue"); } else if (strcmp(fs, "xfs") == 0) { strcat(opts, ",nouuid"); } res = mount(source, target, fs, flags, opts); if (res == -1) { err = errno; goto error_clear_loop; } res = open(target, O_RDONLY | O_DIRECTORY); if (res == -1) { err = errno; } error_clear_loop: if (need_loop_device) { ioctl(loopfd, LOOP_CLR_FD, 0); close(loopfd); close(memfd); } errno = err; return res; } 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); 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 = 0; 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(); initialize_vhci(); sandbox_common(); drop_caps(); if (unshare(CLONE_NEWNET)) { } 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 reset_loop() { char buf[64]; snprintf(buf, sizeof(buf), "/dev/loop%llu", procid); int loopfd = open(buf, O_RDWR); if (loopfd != -1) { ioctl(loopfd, LOOP_CLR_FD, 0); close(loopfd); } } 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); } static void execute_one(void); #define WAIT_FLAGS __WALL static void loop(void) { int iter = 0; for (;; iter++) { reset_loop(); int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { setup_test(); execute_one(); close_fds(); 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; } } } void execute_one(void) { NONFAILING(memcpy((void*)0x20000000, "jfs\000", 4)); NONFAILING(memcpy((void*)0x20000100, "./file0\000", 8)); NONFAILING(*(uint64_t*)0x20000200 = 0x20010000); NONFAILING(memcpy( (void*)0x20010000, "\x4a\x46\x53\x31\x01\x00\x00\x00\x60\x76\x00\x00\x00\x00\x00\x00\x00\x10" "\x00\x00\x0c\x00\x03\x00\x00\x02\x00\x00\x09\x00\x00\x00\x00\x20\x00\x00" "\x00\x09\x00\x40\x00\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x18\x00" "\x00\x00\x02\x00\x00\x00\x16\x00\x00\x00\x34\x07\x00\x00\x01\x00\x00\x00" "\x00\x01\x00\x00\x00\x0f\x00\x00\x34\x00\x00\x00\xcc\x0e\x00\x00\x10\xc4" "\x64\x5f\x00\x00\x00\x00\x32\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\x90\x93\x95\x0c\x4e\x4f\x40\xb5" "\xba\xea\xf5\x1d\x76\xba\x1a\xec\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x70\x63\xec\xd9" "\xfc\x7f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 192)); NONFAILING(*(uint64_t*)0x20000208 = 0xc0); NONFAILING(*(uint64_t*)0x20000210 = 0x8000); NONFAILING(*(uint64_t*)0x20000218 = 0); NONFAILING(*(uint64_t*)0x20000220 = 0); NONFAILING(*(uint64_t*)0x20000228 = 0x9000); NONFAILING(*(uint64_t*)0x20000230 = 0); NONFAILING(*(uint64_t*)0x20000238 = 0); NONFAILING(*(uint64_t*)0x20000240 = 0x9800); NONFAILING(*(uint64_t*)0x20000248 = 0); NONFAILING(*(uint64_t*)0x20000250 = 0); NONFAILING(*(uint64_t*)0x20000258 = 0xa800); NONFAILING(*(uint64_t*)0x20000260 = 0); NONFAILING(*(uint64_t*)0x20000268 = 0); NONFAILING(*(uint64_t*)0x20000270 = 0xaa00); NONFAILING(*(uint64_t*)0x20000278 = 0); NONFAILING(*(uint64_t*)0x20000280 = 0); NONFAILING(*(uint64_t*)0x20000288 = 0xac00); NONFAILING(*(uint64_t*)0x20000290 = 0); NONFAILING(*(uint64_t*)0x20000298 = 0); NONFAILING(*(uint64_t*)0x200002a0 = 0xb020); NONFAILING(*(uint64_t*)0x200002a8 = 0x20010f00); NONFAILING(memcpy( (void*)0x20010f00, "\x10\xc4\x64\x5f\x01\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x04\x00" "\x00\x00\x0b\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00" "\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80" "\x01\x00\x10\xc4\x64\x5f\x00\x00\x00\x00\x10\xc4\x64\x5f\x00\x00\x00\x00" "\x10\xc4\x64\x5f\x00\x00\x00\x00\x10\xc4\x64\x5f\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\x02\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 160)); NONFAILING(*(uint64_t*)0x200002b0 = 0xa0); NONFAILING(*(uint64_t*)0x200002b8 = 0xb200); NONFAILING(*(uint64_t*)0x200002c0 = 0x20011000); NONFAILING( memcpy((void*)0x20011000, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x83\x00\x03\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x09\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 64)); NONFAILING(*(uint64_t*)0x200002c8 = 0x40); NONFAILING(*(uint64_t*)0x200002d0 = 0xb2e0); NONFAILING(*(uint64_t*)0x200002d8 = 0x20011100); NONFAILING( memcpy((void*)0x20011100, "\x10\xc4\x64\x5f\x01\x00\x00\x00\x02\x00\x00\x00\x01\x00\x00\x00" "\x04\x00\x00\x00\x0b\x00\x00\x00\x00\x60\x00\x00\x00\x00\x00\x00" "\x06\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x80\x01\x00\x10\xc4\x64\x5f\x00\x00\x00\x00" "\x10\xc4\x64\x5f\x00\x00\x00\x00\x10\xc4\x64\x5f\x00\x00\x00\x00" "\x10\xc4\x64\x5f\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\x02\x00\x00\x00\x00\x00\x00\x00", 128)); NONFAILING(*(uint64_t*)0x200002e0 = 0x80); NONFAILING(*(uint64_t*)0x200002e8 = 0xb400); NONFAILING(*(uint64_t*)0x200002f0 = 0x20011200); NONFAILING( memcpy((void*)0x20011200, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x83\x00\x03\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x10\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 64)); NONFAILING(*(uint64_t*)0x200002f8 = 0x40); NONFAILING(*(uint64_t*)0x20000300 = 0xb4e0); NONFAILING(*(uint64_t*)0x20000308 = 0); NONFAILING(*(uint64_t*)0x20000310 = 0); NONFAILING(*(uint64_t*)0x20000318 = 0xb600); NONFAILING(*(uint64_t*)0x20000320 = 0); NONFAILING(*(uint64_t*)0x20000328 = 0); NONFAILING(*(uint64_t*)0x20000330 = 0xb6e0); NONFAILING(*(uint64_t*)0x20000338 = 0); NONFAILING(*(uint64_t*)0x20000340 = 0); NONFAILING(*(uint64_t*)0x20000348 = 0xb800); NONFAILING(*(uint64_t*)0x20000350 = 0); NONFAILING(*(uint64_t*)0x20000358 = 0); NONFAILING(*(uint64_t*)0x20000360 = 0xb8e0); NONFAILING(*(uint64_t*)0x20000368 = 0x20011700); NONFAILING(memcpy( (void*)0x20011700, "\x10\xc4\x64\x5f\x01\x00\x00\x00\x10\x00\x00\x00\x01\x00\x00\x00\x04\x00" "\x00\x00\x0b\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00" "\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80" "\x01\x00\x10\xc4\x64\x5f\x00\x00\x00\x00\x10\xc4\x64\x5f\x00\x00\x00\x00" "\x10\xc4\x64\x5f\x00\x00\x00\x00\x10\xc4\x64\x5f\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\x02\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 160)); NONFAILING(*(uint64_t*)0x20000370 = 0xa0); NONFAILING(*(uint64_t*)0x20000378 = 0xd000); NONFAILING(*(uint64_t*)0x20000380 = 0x20011800); NONFAILING( memcpy((void*)0x20011800, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x83\x00\x03\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x20\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 64)); NONFAILING(*(uint64_t*)0x20000388 = 0x40); NONFAILING(*(uint64_t*)0x20000390 = 0xd0e0); NONFAILING(*(uint64_t*)0x20000398 = 0); NONFAILING(*(uint64_t*)0x200003a0 = 0); NONFAILING(*(uint64_t*)0x200003a8 = 0xf000); NONFAILING(*(uint64_t*)0x200003b0 = 0); NONFAILING(*(uint64_t*)0x200003b8 = 0); NONFAILING(*(uint64_t*)0x200003c0 = 0x10000); NONFAILING(*(uint64_t*)0x200003c8 = 0); NONFAILING(*(uint64_t*)0x200003d0 = 0); NONFAILING(*(uint64_t*)0x200003d8 = 0x10420); NONFAILING(*(uint64_t*)0x200003e0 = 0); NONFAILING(*(uint64_t*)0x200003e8 = 0); NONFAILING(*(uint64_t*)0x200003f0 = 0x13000); NONFAILING(*(uint64_t*)0x200003f8 = 0); NONFAILING(*(uint64_t*)0x20000400 = 0); NONFAILING(*(uint64_t*)0x20000408 = 0x14000); NONFAILING(*(uint64_t*)0x20000410 = 0); NONFAILING(*(uint64_t*)0x20000418 = 0); NONFAILING(*(uint64_t*)0x20000420 = 0x14800); NONFAILING(*(uint64_t*)0x20000428 = 0); NONFAILING(*(uint64_t*)0x20000430 = 0); NONFAILING(*(uint64_t*)0x20000438 = 0x149c0); NONFAILING(*(uint64_t*)0x20000440 = 0); NONFAILING(*(uint64_t*)0x20000448 = 0); NONFAILING(*(uint64_t*)0x20000450 = 0x14dc0); NONFAILING(*(uint64_t*)0x20000458 = 0); NONFAILING(*(uint64_t*)0x20000460 = 0); NONFAILING(*(uint64_t*)0x20000468 = 0x16000); NONFAILING(*(uint64_t*)0x20000470 = 0); NONFAILING(*(uint64_t*)0x20000478 = 0); NONFAILING(*(uint64_t*)0x20000480 = 0x16800); NONFAILING(*(uint64_t*)0x20000488 = 0); NONFAILING(*(uint64_t*)0x20000490 = 0); NONFAILING(*(uint64_t*)0x20000498 = 0x17800); NONFAILING(*(uint64_t*)0x200004a0 = 0); NONFAILING(*(uint64_t*)0x200004a8 = 0); NONFAILING(*(uint64_t*)0x200004b0 = 0x17a00); NONFAILING(*(uint64_t*)0x200004b8 = 0); NONFAILING(*(uint64_t*)0x200004c0 = 0); NONFAILING(*(uint64_t*)0x200004c8 = 0x17c00); NONFAILING(*(uint64_t*)0x200004d0 = 0); NONFAILING(*(uint64_t*)0x200004d8 = 0); NONFAILING(*(uint64_t*)0x200004e0 = 0x18020); NONFAILING(*(uint64_t*)0x200004e8 = 0x20013900); NONFAILING(memcpy( (void*)0x20013900, "\x10\xc4\x64\x5f\x01\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x04\x00" "\x00\x00\x18\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00" "\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80" "\x01\x00\x10\xc4\x64\x5f\x00\x00\x00\x00\x10\xc4\x64\x5f\x00\x00\x00\x00" "\x10\xc4\x64\x5f\x00\x00\x00\x00\x10\xc4\x64\x5f\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\x02\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 160)); NONFAILING(*(uint64_t*)0x200004f0 = 0xa0); NONFAILING(*(uint64_t*)0x200004f8 = 0x18200); NONFAILING(*(uint64_t*)0x20000500 = 0x20013a00); NONFAILING( memcpy((void*)0x20013a00, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x83\x00\x03\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x16\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 64)); NONFAILING(*(uint64_t*)0x20000508 = 0x40); NONFAILING(*(uint64_t*)0x20000510 = 0x182e0); NONFAILING(*(uint64_t*)0x20000518 = 0); NONFAILING(*(uint64_t*)0x20000520 = 0); NONFAILING(*(uint64_t*)0x20000528 = 0x18400); NONFAILING(*(uint64_t*)0x20000530 = 0); NONFAILING(*(uint64_t*)0x20000538 = 0); NONFAILING(*(uint64_t*)0x20000540 = 0x184e0); NONFAILING(*(uint64_t*)0x20000548 = 0); NONFAILING(*(uint64_t*)0x20000550 = 0); NONFAILING(*(uint64_t*)0x20000558 = 0x18600); NONFAILING(*(uint64_t*)0x20000560 = 0); NONFAILING(*(uint64_t*)0x20000568 = 0); NONFAILING(*(uint64_t*)0x20000570 = 0x186e0); NONFAILING(*(uint64_t*)0x20000578 = 0); NONFAILING(*(uint64_t*)0x20000580 = 0); NONFAILING(*(uint64_t*)0x20000588 = 0x18800); NONFAILING(*(uint64_t*)0x20000590 = 0); NONFAILING(*(uint64_t*)0x20000598 = 0); NONFAILING(*(uint64_t*)0x200005a0 = 0x188e0); NONFAILING(*(uint64_t*)0x200005a8 = 0); NONFAILING(*(uint64_t*)0x200005b0 = 0); NONFAILING(*(uint64_t*)0x200005b8 = 0x1a000); NONFAILING(*(uint64_t*)0x200005c0 = 0); NONFAILING(*(uint64_t*)0x200005c8 = 0); NONFAILING(*(uint64_t*)0x200005d0 = 0x1a0e0); NONFAILING(*(uint64_t*)0x200005d8 = 0); NONFAILING(*(uint64_t*)0x200005e0 = 0); NONFAILING(*(uint64_t*)0x200005e8 = 0x1c000); NONFAILING(*(uint64_t*)0x200005f0 = 0); NONFAILING(*(uint64_t*)0x200005f8 = 0); NONFAILING(*(uint64_t*)0x20000600 = 0x1c0e0); NONFAILING(*(uint64_t*)0x20000608 = 0); NONFAILING(*(uint64_t*)0x20000610 = 0); NONFAILING(*(uint64_t*)0x20000618 = 0x1c200); NONFAILING(*(uint64_t*)0x20000620 = 0); NONFAILING(*(uint64_t*)0x20000628 = 0); NONFAILING(*(uint64_t*)0x20000630 = 0x1c2e0); NONFAILING(*(uint64_t*)0x20000638 = 0x20014700); NONFAILING(*(uint64_t*)0x20000640 = 0); NONFAILING(*(uint64_t*)0x20000648 = 0x1c400); NONFAILING(*(uint64_t*)0x20000650 = 0); NONFAILING(*(uint64_t*)0x20000658 = 0); NONFAILING(*(uint64_t*)0x20000660 = 0x1c4e0); NONFAILING(*(uint64_t*)0x20000668 = 0); NONFAILING(*(uint64_t*)0x20000670 = 0); NONFAILING(*(uint64_t*)0x20000678 = 0x1c6e0); NONFAILING(*(uint64_t*)0x20000680 = 0); NONFAILING(*(uint64_t*)0x20000688 = 0); NONFAILING(*(uint64_t*)0x20000690 = 0x1c800); NONFAILING(*(uint64_t*)0x20000698 = 0); NONFAILING(*(uint64_t*)0x200006a0 = 0); NONFAILING(*(uint64_t*)0x200006a8 = 0x1c8e0); NONFAILING(*(uint64_t*)0x200006b0 = 0); NONFAILING(*(uint64_t*)0x200006b8 = 0); NONFAILING(*(uint64_t*)0x200006c0 = 0x1c980); NONFAILING(*(uint64_t*)0x200006c8 = 0); NONFAILING(*(uint64_t*)0x200006d0 = 0); NONFAILING(*(uint64_t*)0x200006d8 = 0x1ca00); NONFAILING(*(uint64_t*)0x200006e0 = 0); NONFAILING(*(uint64_t*)0x200006e8 = 0); NONFAILING(*(uint64_t*)0x200006f0 = 0x1cae0); NONFAILING(*(uint64_t*)0x200006f8 = 0); NONFAILING(*(uint64_t*)0x20000700 = 0); NONFAILING(*(uint64_t*)0x20000708 = 0x1cc00); NONFAILING(*(uint64_t*)0x20000710 = 0); NONFAILING(*(uint64_t*)0x20000718 = 0); NONFAILING(*(uint64_t*)0x20000720 = 0x1cce0); NONFAILING(*(uint64_t*)0x20000728 = 0); NONFAILING(*(uint64_t*)0x20000730 = 0); NONFAILING(*(uint64_t*)0x20000738 = 0x20000); NONFAILING(*(uint64_t*)0x20000740 = 0); NONFAILING(*(uint64_t*)0x20000748 = 0); NONFAILING(*(uint64_t*)0x20000750 = 0x20800); NONFAILING(*(uint64_t*)0x20000758 = 0); NONFAILING(*(uint64_t*)0x20000760 = 0); NONFAILING(*(uint64_t*)0x20000768 = 0x21800); NONFAILING(*(uint64_t*)0x20000770 = 0); NONFAILING(*(uint64_t*)0x20000778 = 0); NONFAILING(*(uint64_t*)0x20000780 = 0x21a00); NONFAILING(*(uint64_t*)0x20000788 = 0); NONFAILING(*(uint64_t*)0x20000790 = 0); NONFAILING(*(uint64_t*)0x20000798 = 0x21c00); NONFAILING(*(uint64_t*)0x200007a0 = 0); NONFAILING(*(uint64_t*)0x200007a8 = 0); NONFAILING(*(uint64_t*)0x200007b0 = 0x22000); NONFAILING(*(uint64_t*)0x200007b8 = 0x20016000); NONFAILING(*(uint64_t*)0x200007c0 = 0); NONFAILING(*(uint64_t*)0x200007c8 = 0x24000); NONFAILING(*(uint64_t*)0x200007d0 = 0); NONFAILING(*(uint64_t*)0x200007d8 = 0); NONFAILING(*(uint64_t*)0x200007e0 = 0x240e0); NONFAILING(*(uint64_t*)0x200007e8 = 0); NONFAILING(*(uint64_t*)0x200007f0 = 0); NONFAILING(*(uint64_t*)0x200007f8 = 0x242e0); NONFAILING(*(uint64_t*)0x20000800 = 0); NONFAILING(*(uint64_t*)0x20000808 = 0); NONFAILING(*(uint64_t*)0x20000810 = 0x24400); NONFAILING(*(uint64_t*)0x20000818 = 0); NONFAILING(*(uint64_t*)0x20000820 = 0); NONFAILING(*(uint64_t*)0x20000828 = 0x244e0); NONFAILING(*(uint64_t*)0x20000830 = 0); NONFAILING(*(uint64_t*)0x20000838 = 0); NONFAILING(*(uint64_t*)0x20000840 = 0x24600); NONFAILING(*(uint64_t*)0x20000848 = 0); NONFAILING(*(uint64_t*)0x20000850 = 0); NONFAILING(*(uint64_t*)0x20000858 = 0x24800); NONFAILING(*(uint64_t*)0x20000860 = 0); NONFAILING(*(uint64_t*)0x20000868 = 0); NONFAILING(*(uint64_t*)0x20000870 = 0x24a00); NONFAILING(*(uint64_t*)0x20000878 = 0); NONFAILING(*(uint64_t*)0x20000880 = 0); NONFAILING(*(uint64_t*)0x20000888 = 0x24c00); NONFAILING(*(uint64_t*)0x20000890 = 0); NONFAILING(*(uint64_t*)0x20000898 = 0); NONFAILING(*(uint64_t*)0x200008a0 = 0x24e00); NONFAILING(*(uint64_t*)0x200008a8 = 0); NONFAILING(*(uint64_t*)0x200008b0 = 0); NONFAILING(*(uint64_t*)0x200008b8 = 0x25000); NONFAILING(*(uint64_t*)0x200008c0 = 0); NONFAILING(*(uint64_t*)0x200008c8 = 0); NONFAILING(*(uint64_t*)0x200008d0 = 0x25200); NONFAILING(*(uint64_t*)0x200008d8 = 0); NONFAILING(*(uint64_t*)0x200008e0 = 0); NONFAILING(*(uint64_t*)0x200008e8 = 0x25400); NONFAILING(*(uint64_t*)0x200008f0 = 0); NONFAILING(*(uint64_t*)0x200008f8 = 0); NONFAILING(*(uint64_t*)0x20000900 = 0x25600); NONFAILING(*(uint64_t*)0x20000908 = 0); NONFAILING(*(uint64_t*)0x20000910 = 0); NONFAILING(*(uint64_t*)0x20000918 = 0x25800); NONFAILING(*(uint64_t*)0x20000920 = 0); NONFAILING(*(uint64_t*)0x20000928 = 0); NONFAILING(*(uint64_t*)0x20000930 = 0x25a00); NONFAILING(*(uint64_t*)0x20000938 = 0x20017100); NONFAILING(*(uint64_t*)0x20000940 = 0); NONFAILING(*(uint64_t*)0x20000948 = 0x25c00); NONFAILING(*(uint64_t*)0x20000950 = 0); NONFAILING(*(uint64_t*)0x20000958 = 0); NONFAILING(*(uint64_t*)0x20000960 = 0x25e00); NONFAILING(*(uint64_t*)0x20000968 = 0); NONFAILING(*(uint64_t*)0x20000970 = 0); NONFAILING(*(uint64_t*)0x20000978 = 0x26000); NONFAILING(*(uint64_t*)0x20000980 = 0); NONFAILING(*(uint64_t*)0x20000988 = 0); NONFAILING(*(uint64_t*)0x20000990 = 0x26200); NONFAILING(*(uint64_t*)0x20000998 = 0); NONFAILING(*(uint64_t*)0x200009a0 = 0); NONFAILING(*(uint64_t*)0x200009a8 = 0x26400); NONFAILING(*(uint64_t*)0x200009b0 = 0); NONFAILING(*(uint64_t*)0x200009b8 = 0); NONFAILING(*(uint64_t*)0x200009c0 = 0x26600); NONFAILING(*(uint64_t*)0x200009c8 = 0); NONFAILING(*(uint64_t*)0x200009d0 = 0); NONFAILING(*(uint64_t*)0x200009d8 = 0x26800); NONFAILING(*(uint64_t*)0x200009e0 = 0); NONFAILING(*(uint64_t*)0x200009e8 = 0); NONFAILING(*(uint64_t*)0x200009f0 = 0x26a00); NONFAILING(*(uint64_t*)0x200009f8 = 0); NONFAILING(*(uint64_t*)0x20000a00 = 0); NONFAILING(*(uint64_t*)0x20000a08 = 0x26c00); NONFAILING(*(uint64_t*)0x20000a10 = 0); NONFAILING(*(uint64_t*)0x20000a18 = 0); NONFAILING(*(uint64_t*)0x20000a20 = 0x26e00); NONFAILING(*(uint64_t*)0x20000a28 = 0x20017b00); NONFAILING(*(uint64_t*)0x20000a30 = 0); NONFAILING(*(uint64_t*)0x20000a38 = 0x27000); NONFAILING(*(uint64_t*)0x20000a40 = 0); NONFAILING(*(uint64_t*)0x20000a48 = 0); NONFAILING(*(uint64_t*)0x20000a50 = 0x27200); NONFAILING(*(uint64_t*)0x20000a58 = 0); NONFAILING(*(uint64_t*)0x20000a60 = 0); NONFAILING(*(uint64_t*)0x20000a68 = 0x27400); NONFAILING(*(uint64_t*)0x20000a70 = 0); NONFAILING(*(uint64_t*)0x20000a78 = 0); NONFAILING(*(uint64_t*)0x20000a80 = 0x27600); NONFAILING(*(uint64_t*)0x20000a88 = 0); NONFAILING(*(uint64_t*)0x20000a90 = 0); NONFAILING(*(uint64_t*)0x20000a98 = 0x27800); NONFAILING(*(uint64_t*)0x20000aa0 = 0); NONFAILING(*(uint64_t*)0x20000aa8 = 0); NONFAILING(*(uint64_t*)0x20000ab0 = 0xf01000); NONFAILING(syz_mount_image(0x20000000, 0x20000100, 0, 0x5d, 0x20000200, 0, 0x20004280)); } int main(void) { syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); install_segv_handler(); do_sandbox_none(); return 0; }