// https://syzkaller.appspot.com/bug?id=2dc8666cb32cd80f3f880a1552dda1aaeedb6387 // 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 #ifndef __NR_memfd_create #define __NR_memfd_create 279 #endif #ifndef __NR_mmap #define __NR_mmap 222 #endif 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 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; } //% This code is derived from puff.{c,h}, found in the zlib development. The //% original files come with the following copyright notice: //% Copyright (C) 2002-2013 Mark Adler, all rights reserved //% version 2.3, 21 Jan 2013 //% This software is provided 'as-is', without any express or implied //% warranty. In no event will the author be held liable for any damages //% arising from the use of this software. //% Permission is granted to anyone to use this software for any purpose, //% including commercial applications, and to alter it and redistribute it //% freely, subject to the following restrictions: //% 1. The origin of this software must not be misrepresented; you must not //% claim that you wrote the original software. If you use this software //% in a product, an acknowledgment in the product documentation would be //% appreciated but is not required. //% 2. Altered source versions must be plainly marked as such, and must not be //% misrepresented as being the original software. //% 3. This notice may not be removed or altered from any source distribution. //% Mark Adler madler@alumni.caltech.edu //% BEGIN CODE DERIVED FROM puff.{c,h} #define MAXBITS 15 #define MAXLCODES 286 #define MAXDCODES 30 #define MAXCODES (MAXLCODES + MAXDCODES) #define FIXLCODES 288 struct puff_state { unsigned char* out; unsigned long outlen; unsigned long outcnt; const unsigned char* in; unsigned long inlen; unsigned long incnt; int bitbuf; int bitcnt; jmp_buf env; }; static int puff_bits(struct puff_state* s, int need) { long val = s->bitbuf; while (s->bitcnt < need) { if (s->incnt == s->inlen) longjmp(s->env, 1); val |= (long)(s->in[s->incnt++]) << s->bitcnt; s->bitcnt += 8; } s->bitbuf = (int)(val >> need); s->bitcnt -= need; return (int)(val & ((1L << need) - 1)); } static int puff_stored(struct puff_state* s) { s->bitbuf = 0; s->bitcnt = 0; if (s->incnt + 4 > s->inlen) return 2; unsigned len = s->in[s->incnt++]; len |= s->in[s->incnt++] << 8; if (s->in[s->incnt++] != (~len & 0xff) || s->in[s->incnt++] != ((~len >> 8) & 0xff)) return -2; if (s->incnt + len > s->inlen) return 2; if (s->outcnt + len > s->outlen) return 1; for (; len--; s->outcnt++, s->incnt++) { if (s->in[s->incnt]) s->out[s->outcnt] = s->in[s->incnt]; } return 0; } struct puff_huffman { short* count; short* symbol; }; static int puff_decode(struct puff_state* s, const struct puff_huffman* h) { int first = 0; int index = 0; int bitbuf = s->bitbuf; int left = s->bitcnt; int code = first = index = 0; int len = 1; short* next = h->count + 1; while (1) { while (left--) { code |= bitbuf & 1; bitbuf >>= 1; int count = *next++; if (code - count < first) { s->bitbuf = bitbuf; s->bitcnt = (s->bitcnt - len) & 7; return h->symbol[index + (code - first)]; } index += count; first += count; first <<= 1; code <<= 1; len++; } left = (MAXBITS + 1) - len; if (left == 0) break; if (s->incnt == s->inlen) longjmp(s->env, 1); bitbuf = s->in[s->incnt++]; if (left > 8) left = 8; } return -10; } static int puff_construct(struct puff_huffman* h, const short* length, int n) { int len; for (len = 0; len <= MAXBITS; len++) h->count[len] = 0; int symbol; for (symbol = 0; symbol < n; symbol++) (h->count[length[symbol]])++; if (h->count[0] == n) return 0; int left = 1; for (len = 1; len <= MAXBITS; len++) { left <<= 1; left -= h->count[len]; if (left < 0) return left; } short offs[MAXBITS + 1]; offs[1] = 0; for (len = 1; len < MAXBITS; len++) offs[len + 1] = offs[len] + h->count[len]; for (symbol = 0; symbol < n; symbol++) if (length[symbol] != 0) h->symbol[offs[length[symbol]]++] = symbol; return left; } static int puff_codes(struct puff_state* s, const struct puff_huffman* lencode, const struct puff_huffman* distcode) { static const short lens[29] = {3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258}; static const short lext[29] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0}; static const short dists[30] = { 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577}; static const short dext[30] = {0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13}; int symbol; do { symbol = puff_decode(s, lencode); if (symbol < 0) return symbol; if (symbol < 256) { if (s->outcnt == s->outlen) return 1; if (symbol) s->out[s->outcnt] = symbol; s->outcnt++; } else if (symbol > 256) { symbol -= 257; if (symbol >= 29) return -10; int len = lens[symbol] + puff_bits(s, lext[symbol]); symbol = puff_decode(s, distcode); if (symbol < 0) return symbol; unsigned dist = dists[symbol] + puff_bits(s, dext[symbol]); if (dist > s->outcnt) return -11; if (s->outcnt + len > s->outlen) return 1; while (len--) { if (dist <= s->outcnt && s->out[s->outcnt - dist]) s->out[s->outcnt] = s->out[s->outcnt - dist]; s->outcnt++; } } } while (symbol != 256); return 0; } static int puff_fixed(struct puff_state* s) { static int virgin = 1; static short lencnt[MAXBITS + 1], lensym[FIXLCODES]; static short distcnt[MAXBITS + 1], distsym[MAXDCODES]; static struct puff_huffman lencode, distcode; if (virgin) { lencode.count = lencnt; lencode.symbol = lensym; distcode.count = distcnt; distcode.symbol = distsym; short lengths[FIXLCODES]; int symbol; for (symbol = 0; symbol < 144; symbol++) lengths[symbol] = 8; for (; symbol < 256; symbol++) lengths[symbol] = 9; for (; symbol < 280; symbol++) lengths[symbol] = 7; for (; symbol < FIXLCODES; symbol++) lengths[symbol] = 8; puff_construct(&lencode, lengths, FIXLCODES); for (symbol = 0; symbol < MAXDCODES; symbol++) lengths[symbol] = 5; puff_construct(&distcode, lengths, MAXDCODES); virgin = 0; } return puff_codes(s, &lencode, &distcode); } static int puff_dynamic(struct puff_state* s) { static const short order[19] = {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15}; int nlen = puff_bits(s, 5) + 257; int ndist = puff_bits(s, 5) + 1; int ncode = puff_bits(s, 4) + 4; if (nlen > MAXLCODES || ndist > MAXDCODES) return -3; short lengths[MAXCODES]; int index; for (index = 0; index < ncode; index++) lengths[order[index]] = puff_bits(s, 3); for (; index < 19; index++) lengths[order[index]] = 0; short lencnt[MAXBITS + 1], lensym[MAXLCODES]; struct puff_huffman lencode = {lencnt, lensym}; int err = puff_construct(&lencode, lengths, 19); if (err != 0) return -4; index = 0; while (index < nlen + ndist) { int symbol; int len; symbol = puff_decode(s, &lencode); if (symbol < 0) return symbol; if (symbol < 16) lengths[index++] = symbol; else { len = 0; if (symbol == 16) { if (index == 0) return -5; len = lengths[index - 1]; symbol = 3 + puff_bits(s, 2); } else if (symbol == 17) symbol = 3 + puff_bits(s, 3); else symbol = 11 + puff_bits(s, 7); if (index + symbol > nlen + ndist) return -6; while (symbol--) lengths[index++] = len; } } if (lengths[256] == 0) return -9; err = puff_construct(&lencode, lengths, nlen); if (err && (err < 0 || nlen != lencode.count[0] + lencode.count[1])) return -7; short distcnt[MAXBITS + 1], distsym[MAXDCODES]; struct puff_huffman distcode = {distcnt, distsym}; err = puff_construct(&distcode, lengths + nlen, ndist); if (err && (err < 0 || ndist != distcode.count[0] + distcode.count[1])) return -8; return puff_codes(s, &lencode, &distcode); } static int puff(unsigned char* dest, unsigned long* destlen, const unsigned char* source, unsigned long sourcelen) { struct puff_state s = { .out = dest, .outlen = *destlen, .outcnt = 0, .in = source, .inlen = sourcelen, .incnt = 0, .bitbuf = 0, .bitcnt = 0, }; int err; if (setjmp(s.env) != 0) err = 2; else { int last; do { last = puff_bits(&s, 1); int type = puff_bits(&s, 2); err = type == 0 ? puff_stored(&s) : (type == 1 ? puff_fixed(&s) : (type == 2 ? puff_dynamic(&s) : -1)); if (err != 0) break; } while (!last); } *destlen = s.outcnt; return err; } //% END CODE DERIVED FROM puff.{c,h} #define ZLIB_HEADER_WIDTH 2 static int puff_zlib_to_file(const unsigned char* source, unsigned long sourcelen, int dest_fd) { if (sourcelen < ZLIB_HEADER_WIDTH) { errno = EMSGSIZE; return -1; } source += ZLIB_HEADER_WIDTH; sourcelen -= ZLIB_HEADER_WIDTH; const unsigned long max_destlen = 132 << 20; void* ret = mmap(0, max_destlen, PROT_WRITE | PROT_READ, MAP_PRIVATE | MAP_ANON, -1, 0); if (ret == MAP_FAILED) return -1; unsigned char* dest = (unsigned char*)ret; unsigned long destlen = max_destlen; int err = puff(dest, &destlen, source, sourcelen); if (err) { munmap(dest, max_destlen); errno = -err; return -1; } if (write(dest_fd, dest, destlen) != (ssize_t)destlen) { munmap(dest, max_destlen); return -1; } return munmap(dest, destlen); } static int setup_loop_device(unsigned char* data, unsigned long size, const char* loopname, int* loopfd_p) { int err = 0, loopfd = -1; int memfd = syscall(__NR_memfd_create, "syzkaller", 0); if (memfd == -1) { err = errno; goto error; } if (puff_zlib_to_file(data, size, memfd)) { err = errno; goto error_close_memfd; } 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; } } close(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 long flags, volatile long optsarg, volatile long change_dir, volatile unsigned long size, volatile long image) { unsigned char* data = (unsigned char*)image; int res = -1, err = 0, loopfd = -1, need_loop_device = !!size; 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(data, size, loopname, &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; goto error_clear_loop; } if (change_dir) { res = chdir(target); if (res == -1) { err = errno; } } error_clear_loop: if (need_loop_device) { ioctl(loopfd, LOOP_CLR_FD, 0); close(loopfd); } errno = err; return res; } #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 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"); if (symlink("/dev/binderfs", "./binderfs")) { } } static void execute_one(void); #define WAIT_FLAGS __WALL static void loop(void) { int iter = 0; for (;; iter++) { char cwdbuf[32]; sprintf(cwdbuf, "./%d", iter); if (mkdir(cwdbuf, 0777)) exit(1); reset_loop(); 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); } } void execute_one(void) { memcpy((void*)0x20000140, "ext4\000", 5); memcpy((void*)0x20000000, "./file0\000", 8); memcpy( (void*)0x200001c0, "\x00\x62\x1c\x85\x98\xb0\xec\x26\x25\x65\x32\x78\x79\x99\xb1\xb6\x1d\xe3" "\x58\x38\x5d\x88\x53\x69\xd5\x00\xc4\x49\x65\xc5\x3f\xed\xb3\x17\xbb\xbe" "\x8e\x20\x5d\xc6\xe5\x8e\x7a\x02\xc4\xb2\x52\xd5\x6e\x7b\x29\xb1\xc5\x8e" "\xb0\x63\x47\x09\xf6\x61\xf2\xf5\x5d\x51\xad\x95\xe9\xd0\xb8\x35\x65\x5c" "\x7a\x4d\xad\x8d\x50\xc7\x54\x8f\x9e\x82\x09\xb9\x7f\xc1\x02\xc6\x93\x13" "\x72\x4c\xbb\x01\x47\xcf\xa9\x7f\xc3\x10\xcf\x45\x9d\x0d\x8b\xfc\xbf\x2a" "\x0e\x66\x18\xd7\x46\xa0\xce\x4b\x52\x87\x60\x1b\x93\x88\x56\xfa\x89\xe3" "\x5b\x3d\x5e\x4e\xcd\xe2\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x71\x0c\x8e\x3e\x6b\x05\x8e\x2a\x08" "\xc4\xb8\xe5\xaf\xbf\x7d\x53\x20\x57\x2d\x8b\x6d\x16\xd9\x5f\xac\x0b\x47" "\x63\x9e\x75\xe3\xc8\x17\x4c\x2c\x46\x96\xf7\x37\xf3\xf8\x1f\x44\x9b\xa6" "\x96\x90\xa4\x04\xbf\x47\x22\x60\xee\xd7\x31\x2f\x75\x55\x15\xbb\x8f", 215); memcpy( (void*)0x20000540, "\x78\x9c\xec\xdd\x41\x6f\x1b\x55\x1e\x00\xf0\xff\x4c\xe2\x6e\xdb\xa4\x9b" "\x74\x77\x0f\xdd\x4a\xdb\xad\xb6\x5d\xa5\xd5\x6e\xed\xa4\xd9\xb6\xd1\x1e" "\xba\x5d\x69\xb5\x7b\xaa\xb4\x50\xee\x25\x24\x4e\x14\xc5\x89\xa3\xd8\x69" "\x9b\xa8\x42\xa9\xf8\x00\x48\x08\x01\x12\x27\x4e\x5c\x90\xf8\x00\x48\xa8" "\x1f\x01\x21\x55\x82\x3b\x02\x04\x42\xd0\xc2\x81\x03\x60\x64\x67\x5c\xda" "\x60\x27\x41\x75\x62\x14\xff\x7e\xd2\xeb\xbc\x37\x63\xfb\xff\xfe\xb5\xfc" "\x3c\x6f\x66\xe2\x09\xa0\x67\x9d\x8c\x88\x2b\x11\xd1\x17\x11\x67\x23\x62" "\x28\x5b\x9f\x66\x25\xd6\x37\x4a\xfd\x71\x0f\xee\xdf\x9e\xaa\x97\x24\x6a" "\xb5\x6b\x5f\x26\x91\x64\xeb\x9a\xaf\x95\x64\xcb\x81\xec\x69\x07\x23\xe2" "\xe9\xff\x45\x3c\x97\xfc\x3c\x6e\x65\x75\x6d\x7e\xb2\x54\x2a\x2e\x67\xed" "\x42\x75\x61\xa9\x50\x59\x5d\x3b\x37\xb7\x30\x39\x5b\x9c\x2d\x2e\x8e\x8f" "\x8f\x5d\x9c\xb8\x34\x71\x61\x62\xb4\x23\x79\x0e\x47\xc4\xe5\xff\x7c\xfa" "\xca\x8b\x6f\xfe\xf7\xf2\xbb\x7f\xbf\xf9\xd1\xf5\xcf\xcf\x3c\x9f\x64\xf9" "\xc7\xa6\x3c\x3a\x69\x23\xf5\x5c\xe3\xff\xa2\xa9\x3f\x22\x96\x77\x23\x58" "\x17\xf4\x65\xf9\xe4\xba\xdd\x11\x00\x00\x76\xa4\xbe\x8f\xff\xbb\x88\xf8" "\x4b\x63\xff\x7f\x28\xfa\x1a\x7b\x73\x00\x00\x00\xc0\x7e\x52\xfb\xd7\x60" "\x7c\x97\x44\xd4\x00\x00\x00\x80\x7d\x2b\x8d\x88\xc1\x48\xd2\x7c\x76\x2d" "\xc0\x60\xa4\x69\x3e\xbf\x71\x0d\xef\x1f\xe2\x70\x5a\x2a\x57\xaa\x7f\x9b" "\x29\xaf\x2c\x4e\xd7\xb7\x45\x0c\x47\x2e\x9d\x99\x2b\x15\x47\xb3\x6b\x85" "\x87\x23\x97\xd4\xdb\x63\xd9\x35\xb6\xcd\xf6\xf9\x4d\xed\xf1\x88\x38\x1a" "\x11\x2f\x0f\x1d\x6a\xb4\xf3\x53\xe5\xd2\x74\xb7\x0f\x7e\x00\x00\x00\x40" "\x8f\x18\xd8\x34\xff\xff\x66\x68\x63\xfe\x0f\x00\x00\x00\xec\x33\xc3\xdd" "\xee\x00\x00\x00\x00\xb0\xeb\xcc\xff\x01\x00\x00\x60\xff\x33\xff\x07\x00" "\x00\x80\x7d\xed\xff\x57\xaf\xd6\x4b\xad\x79\xff\xeb\xe9\x1b\xab\x2b\xf3" "\xe5\x1b\xe7\xa6\x8b\x95\xf9\xfc\xc2\xca\x54\x7e\xaa\xbc\xbc\x94\x9f\x2d" "\x97\x67\x1b\xbf\xd9\xb7\xb0\xdd\xeb\x95\xca\xe5\xa5\x7f\xc4\xe2\xca\xad" "\x42\xb5\x58\xa9\x16\x2a\xab\x6b\xd7\x17\xca\x2b\x8b\xd5\xeb\x73\x8f\xdd" "\x02\x1b\x00\x00\x00\xd8\x43\x47\xff\x7c\xf7\xc3\x24\x22\xd6\xff\x79\xa8" "\x51\xea\x0e\x64\xdb\x72\x5d\xed\x19\xb0\xdb\xd2\xad\x37\xaf\x3f\xd6\xfa" "\x64\x77\xfb\x02\xec\xad\xbe\x6e\x77\x00\xe8\x9a\xfe\x6e\x77\x00\xe8\x1a" "\x73\x7c\x20\xd9\x66\x7b\xdb\x8b\x77\xde\xeb\x7c\x5f\x00\x00\x80\xdd\x31" "\xf2\x47\xe7\xff\x01\xa0\xd7\x38\xff\x0f\xbd\xcb\xf9\x7f\xe8\x5d\x39\x7b" "\x00\xd0\xf3\x76\xff\xfc\x7f\xad\xf6\x8b\x3a\x04\x00\x00\x74\xdc\x60\xa3" "\x24\x69\xbe\xf1\xb7\xc0\x17\x06\x06\x23\x4d\xf3\xf9\x88\x23\x8d\xdb\x02" "\xe4\x92\x99\xb9\x52\x71\x34\x22\x7e\x1b\x11\x1f\x0c\xe5\x7e\x53\x6f\x8f" "\x35\x9e\x99\x6c\x3b\x67\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x36\xd4\x6a\x49\xd4\x00\x00\x00\x80\x7d" "\x2d\x22\xfd\x2c\xc9\xee\xff\x35\x32\x74\x7a\x70\xf3\xf1\x81\x03\xc9\xb7" "\x43\x8d\x65\x44\xdc\x7c\xfd\xda\xab\xb7\x26\xab\xd5\xe5\xb1\xfa\xfa\xaf" "\x1e\xae\xaf\xbe\x96\xad\x3f\xdf\x8d\x23\x18\x00\x00\x00\xc0\x66\xcd\x79" "\x7a\x73\x1e\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x9d\xf4\xe0\xfe\xed\xa9\x66\xd9\xcb\xb8\x5f\xfc\x3b" "\x22\x86\x5b\xc5\xef\x8f\x83\x8d\xe5\xc1\xc8\x45\xc4\xe1\xaf\x93\xe8\x7f" "\xe4\x79\x49\x44\xf4\x75\x20\xfe\xfa\x9d\x88\x38\xd6\x2a\x7e\x52\xef\x56" "\x0c\x67\xbd\xd8\x1c\x3f\x8d\x88\x43\x5d\x8e\x3f\xd0\x81\xf8\xd0\xcb\xee" "\xd6\xc7\x9f\x2b\xad\x3e\x7f\x69\x9c\x6c\x2c\x5b\x7f\xfe\xfa\xb3\xf2\xa4" "\xda\x8f\x7f\xe9\xc3\xf1\xaf\xaf\xcd\xf8\x77\x64\x87\x31\x8e\xdf\x7b\xbb" "\xd0\x36\xfe\x9d\x88\xe3\xfd\xad\xc7\x9f\x66\xfc\xa4\x4d\xfc\x53\x3b\x8c" "\xff\xec\x33\x6b\x6b\xed\xb6\xd5\xde\x88\x18\x69\xf9\xfd\x93\x3c\x16\xab" "\x50\x5d\x58\x2a\x54\x56\xd7\xce\xcd\x2d\x4c\xce\x16\x67\x8b\x8b\xe3\xe3" "\x63\x17\x27\x2e\x4d\x5c\x98\x18\x2d\xcc\xcc\x95\x8a\xd9\xbf\x2d\x63\xbc" "\xf4\xa7\x77\x7e\xd8\x2a\xff\xc3\x6d\xe2\x0f\x6f\x93\xff\xe9\x1d\xe6\xff" "\xfd\xbd\x5b\xf7\x7f\xbf\x51\xcd\xb5\x8a\x7f\xe6\x54\xeb\xf7\xff\x58\x9b" "\xf8\x69\xf6\xdd\xf7\xd7\xac\x5e\xdf\x3e\xd2\xac\xaf\x6f\xd4\x1f\x75\xe2" "\xad\xf7\x4f\x6c\x95\xff\x74\x9b\xfc\xb7\x7b\xff\xcf\xec\x30\xff\xb3\x4f" "\xbd\xf0\xf1\x0e\x1f\x0a\x00\xec\x81\xca\xea\xda\xfc\x64\xa9\x54\x5c\x7e" "\x92\xca\x7a\x44\x74\xe2\x75\x54\x54\x54\x7e\x25\x95\x6e\x8f\x4c\x00\x00" "\x40\xa7\xfd\xb4\xd3\xdf\xed\x9e\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x40\xef\xda\x8b\x9f\x13\xdb\x1c\x73\xbd\x3b\xa9\x02" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x6c\xe9\xc7\x00\x00\x00\xff\xff\x68\x6e\xd4\xc5", 1204); syz_mount_image(0x20000140, 0x20000000, 0x47, 0x200001c0, 0xc, 0x4b4, 0x20000540); } 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); use_temporary_dir(); loop(); return 0; }