// https://syzkaller.appspot.com/bug?id=376f48c419b494abb8a9ab7b9d8a168d40d3ae43 // 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 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 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; } 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 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 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(); 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 < 5 * 1000) continue; kill_and_wait(pid, &status); break; } } } void execute_one(void) { memcpy((void*)0x20000000, "ntfs\000", 5); memcpy((void*)0x20000100, "./file0\000", 8); *(uint64_t*)0x20000200 = 0x20010000; memcpy((void*)0x20010000, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\x00\x00\x00" "\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00" "\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00" "\x01\x00\x00\x00\xa3\xb8\xb2\x0f\xcf\x7a\xa8\x36\x00\x00\x00\x00\x0e" "\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10" "\x5e\xeb\xf0\x32\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69" "\x73\x20\x6e\x6f\x74\x20\x61\x20\x62\x6f\x6f\x74\x61\x62\x6c\x65\x20" "\x64\x69\x73\x6b\x2e\x20\x50\x6c\x65\x61\x73\x65\x20\x69\x6e\x73\x65" "\x72\x74\x20\x61\x20\x62\x6f\x6f\x74\x61\x62\x6c\x65\x20\x66\x6c\x6f" "\x70\x70\x79\x20\x61\x6e\x64\x0d\x0a\x70\x72\x65\x73\x73\x20\x61\x6e" "\x79\x20\x6b\x65\x79\x20\x74\x6f\x20\x74\x72\x79\x20\x61\x67\x61\x69" "\x6e\x20\x2e\x2e\x2e\x20\x0d\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00", 224); *(uint64_t*)0x20000208 = 0xe0; *(uint64_t*)0x20000210 = 0; *(uint64_t*)0x20000218 = 0; *(uint64_t*)0x20000220 = 0; *(uint64_t*)0x20000228 = 0x1e0; *(uint64_t*)0x20000230 = 0; *(uint64_t*)0x20000238 = 0; *(uint64_t*)0x20000240 = 0x2000; *(uint64_t*)0x20000248 = 0x20010300; memcpy((void*)0x20010300, "\x46\x49\x4c\x45\x30\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01" "\x00\x01\x00\x38\x00\x01\x00\x98\x01\x00\x00\x00\x04\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00" "\x00\x00\x00\x00\x00\x10\x00\x00\x00\x60\x00\x00\x00\x00\x00\x18\x00" "\x00\x00\x00\x00\x48\x00\x00\x00\x18\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\x06\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\x30" "\x00\x00\x00\x68\x00\x00\x00\x00\x00\x18\x00\x00\x00\x02\x00\x4a\x00" "\x00\x00\x18\x00\x01\x00\x05\x00\x00\x00\x00\x00\x05\x00\x80\x05\x2e" "\x00\xc8\x8d\xd6\x01\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x80\x05\x2e\x00" "\xc8\x8d\xd6\x01\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x00\x70\x00\x00\x00" "\x00\x00\x00\x00\x6c\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00" "\x00\x00\x04\x03\x24\x00\x4d\x00\x46\x00\x54\x00\x00\x00\x00\x00\x00" "\x00\x80\x00\x00\x00\x48\x00\x00\x00\x01\x00\x40\x00\x00\x00\x01\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x40" "\x00\x00\x00\x00\x00\x00\x00\x00\x30\x01\x00\x00\x00\x00\x00\x00\x18" "\x01\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x11\x13\x04" "\x00\x00\x00\x00\x00\xb0\x00\x00\x00\x48\x00\x00\x00\x01\x00\x40\x00" "\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00" "\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00" "\x00\x11\x01\x02\x00\x00\x00\x00\x00\xff\xff\xff\xff\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00", 416); *(uint64_t*)0x20000250 = 0x1a0; *(uint64_t*)0x20000258 = 0x4000; *(uint64_t*)0x20000260 = 0x20010500; memcpy((void*)0x20010500, "\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\b\000", 32); *(uint64_t*)0x20000268 = 0x20; *(uint64_t*)0x20000270 = 0x41e0; *(uint64_t*)0x20000278 = 0x20010600; memcpy((void*)0x20010600, "\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\x08\x00\x46\x49" "\x4c\x45\x30\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x01" "\x00\x38\x00\x01\x00\x58\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x03\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00" "\x00\x00\x00\x10\x00\x00\x00\x60\x00\x00\x00\x00\x00\x18\x00\x00\x00" "\x00\x00\xa9\x37\xfe\xe6\x06\x7a\xde\x0c\x3a\x05\x2e\x00\xc8\x8d\xd6" "\x01\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x80\x05\x2e\x00\xc8\x8d\xd6\x01" "\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x06\x00\x00\x00\x00\x00\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\x30\x00\x00" "\x00\x70\x00\x00\x00\x00\x00\x18\x00\x00\x00\x02\x00\x52\x00\x00\x00" "\x18\x00\x01\x00\x05\x00\x00\x00\x00\x00\x05\x00\x80\x05\x2e\x00\xc8" "\x8d\xd6\x01\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x80\x05\x2e\x00\xc8\x8d" "\xd6\x01\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x00\x10\x00\x00\x00\x00\x00" "\x00\x00\x10\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00" "\x08\x03\x24\x00\x4d\x00\x46\x00\x54\x00\x4d\x00\x69\x00\x72\x00\x72" "\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x48\x00\x00\x00\x01\x00" "\x40\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00" "\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00" "\x00\x00\x00\x21\x01\xff\x00\x00\x00\x00\x00\xff\xff\xff\xff\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 384); *(uint64_t*)0x20000280 = 0x180; *(uint64_t*)0x20000288 = 0x43e0; *(uint64_t*)0x20000290 = 0x20010800; memcpy((void*)0x20010800, "\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", 32); *(uint64_t*)0x20000298 = 0x20; *(uint64_t*)0x200002a0 = 0x45e0; *(uint64_t*)0x200002a8 = 0x20010900; memcpy((void*)0x20010900, "\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\x46\x49" "\x4c\x45\x30\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x01" "\x00\x38\x00\x01\x00\x58\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x03\x00\x00\x00\x02\x00\x00\x00\x02\x00\x00\x00\x00" "\x00\x00\x00\x10\x00\x00\x00\x60\x00\x00\x00\x00\x00\x18\x00\x00\x00" "\x00\x00\x48\x00\x00\x00\x18\x00\x00\x00\x80\x05\x2e\x00\xc8\x8d\xd6" "\x01\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x80\x05\x2e\x00\xc8\x8d\xd6\x01" "\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x06\x00\x00\x00\x00\x00\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\x30\x00\x00" "\x00\x70\x00\x00\x00\x00\x00\x18\x00\x00\x00\x02\x00\x52\x00\x00\x00" "\x18\x00\x01\x00\x05\x00\x00\x00\x00\x00\x05\x00\x80\x05\x2e\x00\xc8" "\x8d\xd6\x01\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x80\x05\x2e\x00\xc8\x8d" "\xd6\x01\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x00\x00\x04\x00\x00\x00\x00" "\x00\x00\x00\x04\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00" "\x08\x03\x24\x00\x4c\x00\x6f\x00\x67\x00\x46\x00\x69\x00\x6c\x00\x65" "\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x48\x00\x00\x00\x01\x00" "\x40\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x3f\x00\x00" "\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x00\x00\x04\x00" "\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00" "\x00\x00\x00\x21\x40\x00\x01\x00\x00\x00\x00\xff\xff\xff\xff\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 384); *(uint64_t*)0x200002b0 = 0x180; *(uint64_t*)0x200002b8 = 0x47e0; *(uint64_t*)0x200002c0 = 0; *(uint64_t*)0x200002c8 = 0; *(uint64_t*)0x200002d0 = 0x49e0; *(uint64_t*)0x200002d8 = 0; *(uint64_t*)0x200002e0 = 0; *(uint64_t*)0x200002e8 = 0x4be0; *(uint64_t*)0x200002f0 = 0; *(uint64_t*)0x200002f8 = 0; *(uint64_t*)0x20000300 = 0x4fe0; *(uint64_t*)0x20000308 = 0; *(uint64_t*)0x20000310 = 0; *(uint64_t*)0x20000318 = 0x51e0; *(uint64_t*)0x20000320 = 0; *(uint64_t*)0x20000328 = 0; *(uint64_t*)0x20000330 = 0x53e0; *(uint64_t*)0x20000338 = 0; *(uint64_t*)0x20000340 = 0; *(uint64_t*)0x20000348 = 0x57e0; *(uint64_t*)0x20000350 = 0; *(uint64_t*)0x20000358 = 0; *(uint64_t*)0x20000360 = 0x59e0; *(uint64_t*)0x20000368 = 0; *(uint64_t*)0x20000370 = 0; *(uint64_t*)0x20000378 = 0x5be0; *(uint64_t*)0x20000380 = 0; *(uint64_t*)0x20000388 = 0; *(uint64_t*)0x20000390 = 0x5de0; *(uint64_t*)0x20000398 = 0; *(uint64_t*)0x200003a0 = 0; *(uint64_t*)0x200003a8 = 0x5fe0; *(uint64_t*)0x200003b0 = 0; *(uint64_t*)0x200003b8 = 0; *(uint64_t*)0x200003c0 = 0x61e0; *(uint64_t*)0x200003c8 = 0; *(uint64_t*)0x200003d0 = 0; *(uint64_t*)0x200003d8 = 0x63e0; *(uint64_t*)0x200003e0 = 0; *(uint64_t*)0x200003e8 = 0; *(uint64_t*)0x200003f0 = 0x67e0; *(uint64_t*)0x200003f8 = 0; *(uint64_t*)0x20000400 = 0; *(uint64_t*)0x20000408 = 0x69e0; *(uint64_t*)0x20000410 = 0; *(uint64_t*)0x20000418 = 0; *(uint64_t*)0x20000420 = 0x6be0; *(uint64_t*)0x20000428 = 0; *(uint64_t*)0x20000430 = 0; *(uint64_t*)0x20000438 = 0x6fe0; *(uint64_t*)0x20000440 = 0; *(uint64_t*)0x20000448 = 0; *(uint64_t*)0x20000450 = 0x71e0; *(uint64_t*)0x20000458 = 0; *(uint64_t*)0x20000460 = 0; *(uint64_t*)0x20000468 = 0x73e0; *(uint64_t*)0x20000470 = 0; *(uint64_t*)0x20000478 = 0; *(uint64_t*)0x20000480 = 0x75e0; *(uint64_t*)0x20000488 = 0; *(uint64_t*)0x20000490 = 0; *(uint64_t*)0x20000498 = 0x77e0; *(uint64_t*)0x200004a0 = 0; *(uint64_t*)0x200004a8 = 0; *(uint64_t*)0x200004b0 = 0x79e0; *(uint64_t*)0x200004b8 = 0; *(uint64_t*)0x200004c0 = 0; *(uint64_t*)0x200004c8 = 0x7be0; *(uint64_t*)0x200004d0 = 0; *(uint64_t*)0x200004d8 = 0; *(uint64_t*)0x200004e0 = 0x7de0; *(uint64_t*)0x200004e8 = 0; *(uint64_t*)0x200004f0 = 0; *(uint64_t*)0x200004f8 = 0x7fe0; *(uint64_t*)0x20000500 = 0; *(uint64_t*)0x20000508 = 0; *(uint64_t*)0x20000510 = 0x81e0; *(uint64_t*)0x20000518 = 0; *(uint64_t*)0x20000520 = 0; *(uint64_t*)0x20000528 = 0x83e0; *(uint64_t*)0x20000530 = 0; *(uint64_t*)0x20000538 = 0; *(uint64_t*)0x20000540 = 0x85e0; *(uint64_t*)0x20000548 = 0; *(uint64_t*)0x20000550 = 0; *(uint64_t*)0x20000558 = 0x87e0; *(uint64_t*)0x20000560 = 0; *(uint64_t*)0x20000568 = 0; *(uint64_t*)0x20000570 = 0x89e0; *(uint64_t*)0x20000578 = 0; *(uint64_t*)0x20000580 = 0; *(uint64_t*)0x20000588 = 0x8be0; *(uint64_t*)0x20000590 = 0; *(uint64_t*)0x20000598 = 0; *(uint64_t*)0x200005a0 = 0x8de0; *(uint64_t*)0x200005a8 = 0; *(uint64_t*)0x200005b0 = 0; *(uint64_t*)0x200005b8 = 0x8fe0; *(uint64_t*)0x200005c0 = 0; *(uint64_t*)0x200005c8 = 0; *(uint64_t*)0x200005d0 = 0x91e0; *(uint64_t*)0x200005d8 = 0; *(uint64_t*)0x200005e0 = 0; *(uint64_t*)0x200005e8 = 0x93e0; *(uint64_t*)0x200005f0 = 0; *(uint64_t*)0x200005f8 = 0; *(uint64_t*)0x20000600 = 0x95e0; *(uint64_t*)0x20000608 = 0; *(uint64_t*)0x20000610 = 0; *(uint64_t*)0x20000618 = 0x97e0; *(uint64_t*)0x20000620 = 0; *(uint64_t*)0x20000628 = 0; *(uint64_t*)0x20000630 = 0x99e0; *(uint64_t*)0x20000638 = 0; *(uint64_t*)0x20000640 = 0; *(uint64_t*)0x20000648 = 0x9be0; *(uint64_t*)0x20000650 = 0; *(uint64_t*)0x20000658 = 0; *(uint64_t*)0x20000660 = 0x9de0; *(uint64_t*)0x20000668 = 0; *(uint64_t*)0x20000670 = 0; *(uint64_t*)0x20000678 = 0x9fe0; *(uint64_t*)0x20000680 = 0; *(uint64_t*)0x20000688 = 0; *(uint64_t*)0x20000690 = 0xa3e0; *(uint64_t*)0x20000698 = 0; *(uint64_t*)0x200006a0 = 0; *(uint64_t*)0x200006a8 = 0xa5e0; *(uint64_t*)0x200006b0 = 0; *(uint64_t*)0x200006b8 = 0; *(uint64_t*)0x200006c0 = 0xa7e0; *(uint64_t*)0x200006c8 = 0; *(uint64_t*)0x200006d0 = 0; *(uint64_t*)0x200006d8 = 0xa9e0; *(uint64_t*)0x200006e0 = 0; *(uint64_t*)0x200006e8 = 0; *(uint64_t*)0x200006f0 = 0xabe0; *(uint64_t*)0x200006f8 = 0; *(uint64_t*)0x20000700 = 0; *(uint64_t*)0x20000708 = 0xade0; *(uint64_t*)0x20000710 = 0; *(uint64_t*)0x20000718 = 0; *(uint64_t*)0x20000720 = 0xafe0; *(uint64_t*)0x20000728 = 0; *(uint64_t*)0x20000730 = 0; *(uint64_t*)0x20000738 = 0xb1e0; *(uint64_t*)0x20000740 = 0; *(uint64_t*)0x20000748 = 0; *(uint64_t*)0x20000750 = 0xb3e0; *(uint64_t*)0x20000758 = 0; *(uint64_t*)0x20000760 = 0; *(uint64_t*)0x20000768 = 0xb5e0; *(uint64_t*)0x20000770 = 0; *(uint64_t*)0x20000778 = 0; *(uint64_t*)0x20000780 = 0xb7e0; *(uint64_t*)0x20000788 = 0; *(uint64_t*)0x20000790 = 0; *(uint64_t*)0x20000798 = 0xb9e0; *(uint64_t*)0x200007a0 = 0; *(uint64_t*)0x200007a8 = 0; *(uint64_t*)0x200007b0 = 0xbbe0; *(uint64_t*)0x200007b8 = 0; *(uint64_t*)0x200007c0 = 0; *(uint64_t*)0x200007c8 = 0xbde0; *(uint64_t*)0x200007d0 = 0; *(uint64_t*)0x200007d8 = 0; *(uint64_t*)0x200007e0 = 0xbfe0; *(uint64_t*)0x200007e8 = 0; *(uint64_t*)0x200007f0 = 0; *(uint64_t*)0x200007f8 = 0xc1e0; *(uint64_t*)0x20000800 = 0; *(uint64_t*)0x20000808 = 0; *(uint64_t*)0x20000810 = 0xc3e0; *(uint64_t*)0x20000818 = 0; *(uint64_t*)0x20000820 = 0; *(uint64_t*)0x20000828 = 0xc5e0; *(uint64_t*)0x20000830 = 0; *(uint64_t*)0x20000838 = 0; *(uint64_t*)0x20000840 = 0xc7e0; *(uint64_t*)0x20000848 = 0; *(uint64_t*)0x20000850 = 0; *(uint64_t*)0x20000858 = 0xc9e0; *(uint64_t*)0x20000860 = 0; *(uint64_t*)0x20000868 = 0; *(uint64_t*)0x20000870 = 0xcbe0; *(uint64_t*)0x20000878 = 0; *(uint64_t*)0x20000880 = 0; *(uint64_t*)0x20000888 = 0xcde0; *(uint64_t*)0x20000890 = 0; *(uint64_t*)0x20000898 = 0; *(uint64_t*)0x200008a0 = 0xcfe0; *(uint64_t*)0x200008a8 = 0; *(uint64_t*)0x200008b0 = 0; *(uint64_t*)0x200008b8 = 0xd1e0; *(uint64_t*)0x200008c0 = 0; *(uint64_t*)0x200008c8 = 0; *(uint64_t*)0x200008d0 = 0xd3e0; *(uint64_t*)0x200008d8 = 0; *(uint64_t*)0x200008e0 = 0; *(uint64_t*)0x200008e8 = 0xd5e0; *(uint64_t*)0x200008f0 = 0; *(uint64_t*)0x200008f8 = 0; *(uint64_t*)0x20000900 = 0xd7e0; *(uint64_t*)0x20000908 = 0; *(uint64_t*)0x20000910 = 0; *(uint64_t*)0x20000918 = 0xd9e0; *(uint64_t*)0x20000920 = 0; *(uint64_t*)0x20000928 = 0; *(uint64_t*)0x20000930 = 0xdbe0; *(uint64_t*)0x20000938 = 0; *(uint64_t*)0x20000940 = 0; *(uint64_t*)0x20000948 = 0xdde0; *(uint64_t*)0x20000950 = 0; *(uint64_t*)0x20000958 = 0; *(uint64_t*)0x20000960 = 0xdfe0; *(uint64_t*)0x20000968 = 0; *(uint64_t*)0x20000970 = 0; *(uint64_t*)0x20000978 = 0xe1e0; *(uint64_t*)0x20000980 = 0; *(uint64_t*)0x20000988 = 0; *(uint64_t*)0x20000990 = 0xe3e0; *(uint64_t*)0x20000998 = 0; *(uint64_t*)0x200009a0 = 0; *(uint64_t*)0x200009a8 = 0xe5e0; *(uint64_t*)0x200009b0 = 0; *(uint64_t*)0x200009b8 = 0; *(uint64_t*)0x200009c0 = 0xe7e0; *(uint64_t*)0x200009c8 = 0; *(uint64_t*)0x200009d0 = 0; *(uint64_t*)0x200009d8 = 0xe9e0; *(uint64_t*)0x200009e0 = 0; *(uint64_t*)0x200009e8 = 0; *(uint64_t*)0x200009f0 = 0xebe3; *(uint64_t*)0x200009f8 = 0; *(uint64_t*)0x20000a00 = 0; *(uint64_t*)0x20000a08 = 0xede0; *(uint64_t*)0x20000a10 = 0; *(uint64_t*)0x20000a18 = 0; *(uint64_t*)0x20000a20 = 0xefe0; *(uint64_t*)0x20000a28 = 0; *(uint64_t*)0x20000a30 = 0; *(uint64_t*)0x20000a38 = 0xf1e0; *(uint64_t*)0x20000a40 = 0; *(uint64_t*)0x20000a48 = 0; *(uint64_t*)0x20000a50 = 0xf3e0; *(uint64_t*)0x20000a58 = 0; *(uint64_t*)0x20000a60 = 0; *(uint64_t*)0x20000a68 = 0xf5e0; *(uint64_t*)0x20000a70 = 0; *(uint64_t*)0x20000a78 = 0; *(uint64_t*)0x20000a80 = 0xf7e0; *(uint64_t*)0x20000a88 = 0; *(uint64_t*)0x20000a90 = 0; *(uint64_t*)0x20000a98 = 0xf9e0; *(uint64_t*)0x20000aa0 = 0; *(uint64_t*)0x20000aa8 = 0; *(uint64_t*)0x20000ab0 = 0xfbe0; *(uint64_t*)0x20000ab8 = 0; *(uint64_t*)0x20000ac0 = 0; *(uint64_t*)0x20000ac8 = 0xfde0; *(uint64_t*)0x20000ad0 = 0; *(uint64_t*)0x20000ad8 = 0; *(uint64_t*)0x20000ae0 = 0xffe0; *(uint64_t*)0x20000ae8 = 0; *(uint64_t*)0x20000af0 = 0; *(uint64_t*)0x20000af8 = 0x101e0; *(uint64_t*)0x20000b00 = 0; *(uint64_t*)0x20000b08 = 0; *(uint64_t*)0x20000b10 = 0x103e0; *(uint64_t*)0x20000b18 = 0; *(uint64_t*)0x20000b20 = 0; *(uint64_t*)0x20000b28 = 0x105e0; *(uint64_t*)0x20000b30 = 0; *(uint64_t*)0x20000b38 = 0; *(uint64_t*)0x20000b40 = 0x107e0; *(uint64_t*)0x20000b48 = 0; *(uint64_t*)0x20000b50 = 0; *(uint64_t*)0x20000b58 = 0x109e0; *(uint64_t*)0x20000b60 = 0; *(uint64_t*)0x20000b68 = 0; *(uint64_t*)0x20000b70 = 0x10be0; *(uint64_t*)0x20000b78 = 0; *(uint64_t*)0x20000b80 = 0; *(uint64_t*)0x20000b88 = 0x10de0; *(uint64_t*)0x20000b90 = 0; *(uint64_t*)0x20000b98 = 0; *(uint64_t*)0x20000ba0 = 0x10fe0; *(uint64_t*)0x20000ba8 = 0; *(uint64_t*)0x20000bb0 = 0; *(uint64_t*)0x20000bb8 = 0x111e0; *(uint64_t*)0x20000bc0 = 0; *(uint64_t*)0x20000bc8 = 0; *(uint64_t*)0x20000bd0 = 0x113e0; *(uint64_t*)0x20000bd8 = 0; *(uint64_t*)0x20000be0 = 0; *(uint64_t*)0x20000be8 = 0x115e0; *(uint64_t*)0x20000bf0 = 0; *(uint64_t*)0x20000bf8 = 0; *(uint64_t*)0x20000c00 = 0x117e0; *(uint64_t*)0x20000c08 = 0; *(uint64_t*)0x20000c10 = 0; *(uint64_t*)0x20000c18 = 0x119e0; *(uint64_t*)0x20000c20 = 0; *(uint64_t*)0x20000c28 = 0; *(uint64_t*)0x20000c30 = 0x11be0; *(uint64_t*)0x20000c38 = 0; *(uint64_t*)0x20000c40 = 0; *(uint64_t*)0x20000c48 = 0x11de0; *(uint64_t*)0x20000c50 = 0; *(uint64_t*)0x20000c58 = 0; *(uint64_t*)0x20000c60 = 0x11fe0; *(uint64_t*)0x20000c68 = 0; *(uint64_t*)0x20000c70 = 0; *(uint64_t*)0x20000c78 = 0x121e0; *(uint64_t*)0x20000c80 = 0; *(uint64_t*)0x20000c88 = 0; *(uint64_t*)0x20000c90 = 0x123e0; *(uint64_t*)0x20000c98 = 0; *(uint64_t*)0x20000ca0 = 0; *(uint64_t*)0x20000ca8 = 0x125e0; *(uint64_t*)0x20000cb0 = 0; *(uint64_t*)0x20000cb8 = 0; *(uint64_t*)0x20000cc0 = 0x127e0; *(uint64_t*)0x20000cc8 = 0; *(uint64_t*)0x20000cd0 = 0; *(uint64_t*)0x20000cd8 = 0x129e0; *(uint64_t*)0x20000ce0 = 0; *(uint64_t*)0x20000ce8 = 0; *(uint64_t*)0x20000cf0 = 0x12be0; *(uint64_t*)0x20000cf8 = 0; *(uint64_t*)0x20000d00 = 0; *(uint64_t*)0x20000d08 = 0x12de0; *(uint64_t*)0x20000d10 = 0; *(uint64_t*)0x20000d18 = 0; *(uint64_t*)0x20000d20 = 0x12fe0; *(uint64_t*)0x20000d28 = 0; *(uint64_t*)0x20000d30 = 0; *(uint64_t*)0x20000d38 = 0x131e0; *(uint64_t*)0x20000d40 = 0; *(uint64_t*)0x20000d48 = 0; *(uint64_t*)0x20000d50 = 0x133e0; *(uint64_t*)0x20000d58 = 0; *(uint64_t*)0x20000d60 = 0; *(uint64_t*)0x20000d68 = 0x135e0; *(uint64_t*)0x20000d70 = 0; *(uint64_t*)0x20000d78 = 0; *(uint64_t*)0x20000d80 = 0x137e0; *(uint64_t*)0x20000d88 = 0; *(uint64_t*)0x20000d90 = 0; *(uint64_t*)0x20000d98 = 0x139e0; *(uint64_t*)0x20000da0 = 0; *(uint64_t*)0x20000da8 = 0; *(uint64_t*)0x20000db0 = 0x13be0; *(uint64_t*)0x20000db8 = 0; *(uint64_t*)0x20000dc0 = 0; *(uint64_t*)0x20000dc8 = 0x13de0; *(uint64_t*)0x20000dd0 = 0; *(uint64_t*)0x20000dd8 = 0; *(uint64_t*)0x20000de0 = 0x13fe0; *(uint64_t*)0x20000de8 = 0; *(uint64_t*)0x20000df0 = 0; *(uint64_t*)0x20000df8 = 0x143e0; *(uint64_t*)0x20000e00 = 0; *(uint64_t*)0x20000e08 = 0; *(uint64_t*)0x20000e10 = 0x145e0; *(uint64_t*)0x20000e18 = 0; *(uint64_t*)0x20000e20 = 0; *(uint64_t*)0x20000e28 = 0x147e0; *(uint64_t*)0x20000e30 = 0; *(uint64_t*)0x20000e38 = 0; *(uint64_t*)0x20000e40 = 0x14be0; *(uint64_t*)0x20000e48 = 0; *(uint64_t*)0x20000e50 = 0; *(uint64_t*)0x20000e58 = 0x14fe0; *(uint64_t*)0x20000e60 = 0; *(uint64_t*)0x20000e68 = 0; *(uint64_t*)0x20000e70 = 0x153e0; *(uint64_t*)0x20000e78 = 0; *(uint64_t*)0x20000e80 = 0; *(uint64_t*)0x20000e88 = 0x157e0; *(uint64_t*)0x20000e90 = 0; *(uint64_t*)0x20000e98 = 0; *(uint64_t*)0x20000ea0 = 0x43000; *(uint64_t*)0x20000ea8 = 0; *(uint64_t*)0x20000eb0 = 0; *(uint64_t*)0x20000eb8 = 0x44000; *(uint64_t*)0x20000ec0 = 0; *(uint64_t*)0x20000ec8 = 0; *(uint64_t*)0x20000ed0 = 0x45000; *(uint64_t*)0x20000ed8 = 0; *(uint64_t*)0x20000ee0 = 0; *(uint64_t*)0x20000ee8 = 0x457e0; *(uint64_t*)0x20000ef0 = 0; *(uint64_t*)0x20000ef8 = 0; *(uint64_t*)0x20000f00 = 0x459e0; *(uint64_t*)0x20000f08 = 0; *(uint64_t*)0x20000f10 = 0; *(uint64_t*)0x20000f18 = 0x45be0; *(uint64_t*)0x20000f20 = 0; *(uint64_t*)0x20000f28 = 0; *(uint64_t*)0x20000f30 = 0x45de0; *(uint64_t*)0x20000f38 = 0; *(uint64_t*)0x20000f40 = 0; *(uint64_t*)0x20000f48 = 0x45fe0; *(uint64_t*)0x20000f50 = 0; *(uint64_t*)0x20000f58 = 0; *(uint64_t*)0x20000f60 = 0x46080; *(uint64_t*)0x20000f68 = 0; *(uint64_t*)0x20000f70 = 0; *(uint64_t*)0x20000f78 = 0x46120; *(uint64_t*)0x20000f80 = 0; *(uint64_t*)0x20000f88 = 0; *(uint64_t*)0x20000f90 = 0x461c0; *(uint64_t*)0x20000f98 = 0; *(uint64_t*)0x20000fa0 = 0; *(uint64_t*)0x20000fa8 = 0x46260; *(uint64_t*)0x20000fb0 = 0; *(uint64_t*)0x20000fb8 = 0; *(uint64_t*)0x20000fc0 = 0x46300; *(uint64_t*)0x20000fc8 = 0; *(uint64_t*)0x20000fd0 = 0; *(uint64_t*)0x20000fd8 = 0x4639e; *(uint64_t*)0x20000fe0 = 0; *(uint64_t*)0x20000fe8 = 0; *(uint64_t*)0x20000ff0 = 0x46440; *(uint64_t*)0x20000ff8 = 0; *(uint64_t*)0x20001000 = 0; *(uint64_t*)0x20001008 = 0x464e0; *(uint64_t*)0x20001010 = 0; *(uint64_t*)0x20001018 = 0; *(uint64_t*)0x20001020 = 0x46580; *(uint64_t*)0x20001028 = 0; *(uint64_t*)0x20001030 = 0; *(uint64_t*)0x20001038 = 0x46620; *(uint64_t*)0x20001040 = 0; *(uint64_t*)0x20001048 = 0; *(uint64_t*)0x20001050 = 0x466c0; *(uint64_t*)0x20001058 = 0; *(uint64_t*)0x20001060 = 0; *(uint64_t*)0x20001068 = 0x46760; *(uint64_t*)0x20001070 = 0; *(uint64_t*)0x20001078 = 0; *(uint64_t*)0x20001080 = 0x46800; *(uint64_t*)0x20001088 = 0; *(uint64_t*)0x20001090 = 0; *(uint64_t*)0x20001098 = 0x468a0; *(uint64_t*)0x200010a0 = 0; *(uint64_t*)0x200010a8 = 0; *(uint64_t*)0x200010b0 = 0x46940; *(uint64_t*)0x200010b8 = 0; *(uint64_t*)0x200010c0 = 0; *(uint64_t*)0x200010c8 = 0x47000; *(uint64_t*)0x200010d0 = 0; *(uint64_t*)0x200010d8 = 0; *(uint64_t*)0x200010e0 = 0x48000; *(uint64_t*)0x200010e8 = 0; *(uint64_t*)0x200010f0 = 0; *(uint64_t*)0x200010f8 = 0x88000; *(uint64_t*)0x20001100 = 0; *(uint64_t*)0x20001108 = 0; *(uint64_t*)0x20001110 = 0x89000; *(uint64_t*)0x20001118 = 0; *(uint64_t*)0x20001120 = 0; *(uint64_t*)0x20001128 = 0xff000; *(uint64_t*)0x20001130 = 0; *(uint64_t*)0x20001138 = 0; *(uint64_t*)0x20001140 = 0xff1e0; *(uint64_t*)0x20001148 = 0; *(uint64_t*)0x20001150 = 0; *(uint64_t*)0x20001158 = 0xff3e0; *(uint64_t*)0x20001160 = 0; *(uint64_t*)0x20001168 = 0; *(uint64_t*)0x20001170 = 0xff5e0; *(uint64_t*)0x20001178 = 0; *(uint64_t*)0x20001180 = 0; *(uint64_t*)0x20001188 = 0xff7e0; *(uint64_t*)0x20001190 = 0; *(uint64_t*)0x20001198 = 0; *(uint64_t*)0x200011a0 = 0xff9e0; *(uint64_t*)0x200011a8 = 0; *(uint64_t*)0x200011b0 = 0; *(uint64_t*)0x200011b8 = 0xffbe0; *(uint64_t*)0x200011c0 = 0; *(uint64_t*)0x200011c8 = 0; *(uint64_t*)0x200011d0 = 0xfffe0; *(uint64_t*)0x200011d8 = 0; *(uint64_t*)0x200011e0 = 0; *(uint64_t*)0x200011e8 = 0x1ffc00; *(uint64_t*)0x200011f0 = 0; *(uint64_t*)0x200011f8 = 0; *(uint64_t*)0x20001200 = 0x1ffde0; *(uint8_t*)0x2007dc00 = 0; syz_mount_image(0x20000000, 0x20000100, 0x200000, 0xab, 0x20000200, 0, 0x2007dc00); } 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); loop(); return 0; }