// https://syzkaller.appspot.com/bug?id=a8bc419f3a45ef0deb05371f3119bc33974a0d0e // 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 #ifndef __NR_memfd_create #define __NR_memfd_create 319 #endif static unsigned long long procid; //% 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) return 0; 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, max_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 void reset_loop_device(const char* loopname) { int loopfd = open(loopname, O_RDWR); if (loopfd == -1) { return; } if (ioctl(loopfd, LOOP_CLR_FD, 0)) { } close(loopfd); } 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, 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) { int loopfd; memset(loopname, 0, sizeof(loopname)); snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid); if (setup_loop_device(data, size, loopname, &loopfd) == -1) return -1; close(loopfd); 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) { bool has_remount_ro = false; char* remount_ro_start = strstr(opts, "errors=remount-ro"); if (remount_ro_start != NULL) { char after = *(remount_ro_start + strlen("errors=remount-ro")); char before = remount_ro_start == opts ? '\0' : *(remount_ro_start - 1); has_remount_ro = ((before == '\0' || before == ',') && (after == '\0' || after == ',')); } if (strstr(opts, "errors=panic") || !has_remount_ro) strcat(opts, ",errors=continue"); } else if (strcmp(fs, "xfs") == 0) { strcat(opts, ",nouuid"); } else if (strncmp(fs, "gfs2", 4) == 0 && (strstr(opts, "errors=panic") || strstr(opts, "debug"))) { strcat(opts, ",errors=withdraw"); } 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) reset_loop_device(loopname); errno = err; return res; } int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } // syz_mount_image$ext4 arguments: [ // fs: ptr[in, buffer] { // buffer: {65 78 74 34 00} (length 0x5) // } // dir: ptr[in, buffer] { // buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8) // } // flags: mount_flags = 0x200000a (8 bytes) // opts: ptr[in, fs_options[ext4_options]] { // fs_options[ext4_options] { // elems: array[fs_opt_elem[ext4_options]] { // } // common: array[fs_opt_elem[fs_options_common]] { // } // null: const = 0x0 (1 bytes) // } // } // chdir: int8 = 0x1 (1 bytes) // size: len = 0x51a (8 bytes) // img: ptr[in, buffer] { // buffer: (compressed buffer with length 0x51a) // } // ] // returns fd_dir memcpy((void*)0x200000000100, "ext4\000", 5); memcpy((void*)0x200000000200, "./file1\000", 8); *(uint8_t*)0x200000000240 = 0; memcpy( (void*)0x200000000ec0, "\x78\x9c\xec\xdd\xef\x6b\x24\x67\x1d\x00\xf0\xef\xcc\xee\xa6\xb9\xbb\xd4" "\x6c\x55\xa4\x56\x6c\x8b\xad\xe4\x8a\xde\x6e\xd2\xd8\x36\x88\xb4\x15\x44" "\x5f\x15\xd4\xfa\x3e\x8d\xc9\x26\x84\x6c\xb2\x21\xbb\xa9\x97\x50\x34\x87" "\x7f\x80\x20\xa2\x82\xaf\x7c\xe5\x1b\xc1\x3f\x40\x90\xfe\x09\x22\x14\xf4" "\xbd\xa8\x28\xa2\x77\xfa\x52\x6f\x64\x76\x27\x7a\x49\x76\x93\xbd\xcb\x8f" "\x3d\x93\xcf\x07\x26\xfb\x3c\xfb\xcc\xcc\xf7\xfb\x0c\xd9\xd9\x99\x9d\x87" "\x99\x00\xae\xac\xe7\x23\xe2\xcd\x88\x28\x45\xc4\x4b\x11\x31\x59\xbc\x9f" "\x16\xd3\x7c\x5e\xd9\xeb\xcd\x77\xef\xee\x7b\x8b\xf9\x94\x44\x96\xbd\xfd" "\xb7\x24\x92\xe2\xbd\xfd\x75\xe5\xf5\x72\x44\xdc\xe8\x2d\x12\xe3\x11\xf1" "\xf5\xaf\x44\x7c\x33\x39\x1a\xb7\xbd\xb3\xbb\xb6\xd0\x6c\x36\xb6\x8a\x7a" "\xbd\xb3\xbe\x59\x6f\xef\xec\xde\x5a\x5d\x5f\x58\x69\xac\x34\x36\x66\x67" "\x67\x5e\x9d\x7b\x6d\xee\x95\xb9\xe9\xac\x70\xaa\x7e\x56\x23\xe2\xf5\x2f" "\xfd\xe9\x87\xdf\xfb\xd9\x97\x5f\xff\xd5\x67\xbf\xf5\xfb\xf9\xbf\xdc\xfc" "\x76\x9e\xd6\x17\x3e\x96\x7c\xa2\x48\x6f\xf1\x54\x01\x06\xe8\xad\xbb\xd2" "\xdd\x16\xfb\xf2\x6d\xb4\x75\x1e\xc1\x46\xa0\x54\xf4\xa7\x52\x1a\x75\x26" "\x00\x00\x0c\x23\x3f\xc6\xff\x70\x44\x7c\xaa\x7b\xfc\x3f\x19\xa5\xee\xd1" "\x1c\x00\x00\x00\x70\x99\x64\x6f\x4c\xc4\xbf\x92\x88\x0c\x00\x00\x00\xb8" "\xb4\xd2\x88\x98\x88\x24\xad\x15\x63\x01\x26\x22\x4d\x6b\xb5\xde\x18\xde" "\x8f\xc6\xf5\xb4\xd9\x6a\x77\x3e\xb3\xdc\xda\xde\x58\xca\xdb\x22\xaa\x51" "\x49\x97\x57\x9b\x8d\xe9\x62\xac\x70\x35\x2a\x49\x5e\x9f\x29\xc6\xd8\xee" "\xd7\x5f\x3e\x54\x9f\x8d\x88\xa7\x22\xe2\x07\x93\xd7\xba\xf5\xda\x62\xab" "\xb9\x34\xea\x1f\x3f\x00\x00\x00\xe0\x8a\xb8\xf1\xdc\xc1\xf3\xff\x7f\x4e" "\xa6\xdd\x32\x00\x00\x00\x70\xc9\x54\x07\x56\x00\x00\x00\x80\xcb\xc2\x29" "\x3f\x00\x00\x00\x5c\x7e\x77\x46\x9d\x00\x00\x00\x00\x70\x9e\xbe\xfa\xd6" "\x5b\xf9\x94\xed\x3f\xc7\x7b\xe9\xdd\x9d\xed\xb5\xd6\xbb\xb7\x96\x1a\xed" "\xb5\xda\xfa\xf6\x62\x6d\xb1\xb5\xb5\x59\x5b\x69\xb5\x56\xba\xf7\xec\x5b" "\x3f\x69\x7d\xcd\x56\x6b\xf3\x73\xb1\xb1\x7d\xbb\xde\x69\xb4\x3b\xf5\xf6" "\xce\xee\xfc\x7a\x6b\x7b\xa3\x33\xbf\x7a\xe0\x11\xd8\x00\x00\x00\xc0\x05" "\x7a\xea\xb9\xf7\x7f\x97\x44\xc4\xde\xe7\xaf\x75\xa7\x28\xee\x03\x08\x70" "\xc0\x1f\x47\x9d\x00\x70\x96\x4a\xa3\x4e\x00\x18\x99\x72\xfe\xe7\x9d\x51" "\x67\x01\x8c\x42\xe5\xc4\x39\xca\x17\x92\x07\x30\x3a\xc9\x09\xed\x03\x07" "\xef\xfc\xfa\xec\x73\x01\x00\x00\xce\xc7\xd4\xc7\x8f\x5e\xff\x1f\x2b\xda" "\x4e\xfe\x6d\x00\xf8\x7f\x66\xac\x0f\x00\x5c\x3d\xae\xee\xc1\xd5\x55\x89" "\x92\xd3\x7c\xb8\xe2\x3e\xd4\x7b\x79\x62\x50\xfb\xc3\x5f\xff\x3f\x7c\x64" "\x91\x65\x8f\x94\x18\x00\x00\x70\x66\x26\xba\x53\x92\xd6\x8a\x6b\x81\x13" "\x91\xa6\xb5\x5a\xc4\x93\xdd\xc7\x02\x56\x92\xe5\xd5\x66\x63\xba\x7b\x7e" "\x50\x8a\xdf\x4e\x56\x9e\xc8\xeb\x33\xdd\x25\x93\x13\xc7\x0c\x03\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x3d" "\x59\x96\x44\x06\x00\x00\x00\x5c\x6a\x11\xe9\x9f\x93\xee\xdd\xfc\x23\xa6" "\x26\x5f\x9c\x38\xf8\xeb\xc0\xa1\xa7\x7e\xfd\xe4\xed\x1f\xdd\x5e\xe8\x74" "\xb6\x66\x22\xc6\x92\xbf\x4f\xe6\x6f\x8d\x45\x44\xe7\xc7\xc5\xfb\x2f\x67" "\x1e\x09\x00\x00\x00\x00\x8f\x81\xde\x79\x7a\xf1\x3a\x33\xea\x6c\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\xb8" "\x6c\xee\xdd\x7d\x6f\x71\x7f\x3a\xd0\x30\x7e\xbe\x71\xff\xfa\xc5\x88\xa8" "\xf6\x8b\x5f\x2e\x42\x8f\x47\x25\x22\xae\xff\x23\x89\xf2\x03\xcb\x25\x11" "\x51\x3a\x83\xf8\x7b\x77\x22\xe2\xe9\x7e\xf1\x93\xb8\x9f\x65\x59\xb5\xc8" "\xa2\x5f\xfc\x6b\xe7\x1c\xbf\xda\xdd\x34\xfd\xe3\xa7\x11\x71\xe3\x0c\xe2" "\xc3\x55\xf6\x7e\xbe\xff\x79\xb3\xdf\xe7\x2f\x8d\xe7\xbb\xaf\xfd\x3f\x7f" "\xe5\x62\x3a\xad\xc1\xfb\xbf\xf4\xbf\xfb\xbf\xd2\x80\xfd\xcf\x93\x43\xc6" "\x78\xe6\x83\x5f\xd4\x07\xc6\xbf\x13\xf1\x4c\xb9\xff\xfe\x67\x3f\x7e\xd2" "\x8b\x9f\xc4\xa1\xf8\x2f\x0c\x19\xff\x9d\x6f\xec\xee\x0e\x6a\xcb\x7e\x1a" "\x31\xd5\xf7\xfb\x27\x39\x10\xab\xde\x59\xdf\xac\xb7\x77\x76\x6f\xad\xae" "\x2f\xac\x34\x56\x1a\x1b\xb3\xb3\x33\xaf\xce\xbd\x36\xf7\xca\xdc\x74\x7d" "\x79\xb5\xd9\x28\xfe\xf6\x8d\xf1\xfd\x4f\xfe\xf2\xfe\x71\xfd\xbf\x3e\x20" "\x7e\xf5\x60\xff\x8f\x6c\xff\x17\x87\xec\xff\xbf\x3f\xb8\x7d\xf7\x23\xbd" "\x62\xa5\x5f\xfc\x9b\x2f\xf4\xff\xfe\x7d\x7a\x40\xfc\xb4\xf8\xee\xfb\x74" "\x51\xce\xdb\xa7\xf6\xcb\x7b\xbd\xf2\x83\x9e\xfd\xf9\x6f\x9e\x3d\xae\xff" "\x4b\x03\xfa\x3f\x7e\x42\xff\x6f\x0e\xd9\xff\x97\xbe\xf6\xdd\x3f\x0c\x39" "\x2b\x00\x70\x01\xda\x3b\xbb\x6b\x0b\xcd\x66\x63\xeb\x98\xc2\xf8\x10\xf3" "\x5c\x70\xe1\x8d\xc7\x23\x8d\x73\x2a\x8c\x7c\x83\xb7\x2e\x3c\x68\xf6\x9d" "\xde\xff\xe3\xe9\xd6\x73\xca\xc5\x8f\x14\xb2\x7e\x4d\x49\x71\x6a\x72\xd2" "\xe2\xe5\x38\x83\x34\xc6\x1e\xe2\x73\x5a\x14\xf2\xc3\xf6\x33\xe8\xfb\xe8" "\xf6\x49\x00\x00\xc0\xf9\xf8\xdf\x41\x7f\x5e\xcb\x92\x51\xe7\x03\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x57\xd1\x23\xde\x21" "\x6c\x3c\x22\x86\x9e\xf9\x70\xcc\xbd\xd1\x74\x15\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\xe0\x58" "\xff\x09\x00\x00\xff\xff\x0d\xfd\xd2\x8c", 1306); syz_mount_image(/*fs=*/0x200000000100, /*dir=*/0x200000000200, /*flags=MS_LAZYTIME|MS_NOSUID|MS_NOEXEC*/ 0x200000a, /*opts=*/0x200000000240, /*chdir=*/1, /*size=*/0x51a, /*img=*/0x200000000ec0); return 0; }