// https://syzkaller.appspot.com/bug?id=c5fa40d992b334ea85a59ec78b859306e921a3d0 // 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=*/0x1000, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000, /*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=*/0x1000, /*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 30 00} (length 0x8) // } // flags: mount_flags = 0x800718 (8 bytes) // opts: ptr[in, fs_options[ext4_options]] { // fs_options[ext4_options] { // elems: array[fs_opt_elem[ext4_options]] { // fs_opt_elem[ext4_options] { // elem: union ext4_options { // nodioread_nolock: buffer: {6e 6f 64 69 6f 72 65 61 64 5f 6e 6f // 6c 6f 63 6b} (length 0x10) // } // comma: const = 0x2c (1 bytes) // } // fs_opt_elem[ext4_options] { // elem: union ext4_options { // data_err_ignore: buffer: {64 61 74 61 5f 65 72 72 3d 69 67 6e // 6f 72 65} (length 0xf) // } // comma: const = 0x2c (1 bytes) // } // fs_opt_elem[ext4_options] { // elem: union ext4_options { // debug_want_extra_isize: fs_opt["debug_want_extra_isize", // fmt[hex, int32]] { // name: buffer: {64 65 62 75 67 5f 77 61 6e 74 5f 65 78 74 72 // 61 5f 69 73 69 7a 65} (length 0x16) eq: const = 0x3d (1 // bytes) val: int32 = 0x5c (18 bytes) // } // } // comma: const = 0x2c (1 bytes) // } // fs_opt_elem[ext4_options] { // elem: union ext4_options { // noquota: buffer: {6e 6f 71 75 6f 74 61} (length 0x7) // } // comma: const = 0x2c (1 bytes) // } // fs_opt_elem[ext4_options] { // elem: union ext4_options { // resgid: fs_opt["resgid", fmt[hex, gid]] { // name: buffer: {72 65 73 67 69 64} (length 0x6) // eq: const = 0x3d (1 bytes) // val: gid (resource) // } // } // comma: const = 0x2c (1 bytes) // } // fs_opt_elem[ext4_options] { // elem: union ext4_options { // inlinecrypt: buffer: {69 6e 6c 69 6e 65 63 72 79 70 74} // (length 0xb) // } // comma: const = 0x2c (1 bytes) // } // fs_opt_elem[ext4_options] { // elem: union ext4_options { // errors_remount: buffer: {65 72 72 6f 72 73 3d 72 65 6d 6f 75 // 6e 74 2d 72 6f} (length 0x11) // } // comma: const = 0x2c (1 bytes) // } // } // common: array[fs_opt_elem[fs_options_common]] { // } // null: const = 0x0 (1 bytes) // } // } // chdir: int8 = 0x4 (1 bytes) // size: len = 0x4a4 (8 bytes) // img: ptr[in, buffer] { // buffer: (compressed buffer with length 0x4a4) // } // ] // returns fd_dir memcpy((void*)0x2000000009c0, "ext4\000", 5); memcpy((void*)0x200000000040, "./file0\000", 8); memcpy((void*)0x200000000300, "nodioread_nolock", 16); *(uint8_t*)0x200000000310 = 0x2c; memcpy((void*)0x200000000311, "data_err=ignore", 15); *(uint8_t*)0x200000000320 = 0x2c; memcpy((void*)0x200000000321, "debug_want_extra_isize", 22); *(uint8_t*)0x200000000337 = 0x3d; sprintf((char*)0x200000000338, "0x%016llx", (long long)0x5c); *(uint8_t*)0x20000000034a = 0x2c; memcpy((void*)0x20000000034b, "noquota", 7); *(uint8_t*)0x200000000352 = 0x2c; memcpy((void*)0x200000000353, "resgid", 6); *(uint8_t*)0x200000000359 = 0x3d; sprintf((char*)0x20000000035a, "0x%016llx", (long long)0); *(uint8_t*)0x20000000036c = 0x2c; memcpy((void*)0x20000000036d, "inlinecrypt", 11); *(uint8_t*)0x200000000378 = 0x2c; memcpy((void*)0x200000000379, "errors=remount-ro", 17); *(uint8_t*)0x20000000038a = 0x2c; *(uint8_t*)0x20000000038b = 0; memcpy( (void*)0x200000000a00, "\x78\x9c\xec\xdb\xcd\x6b\x5c\x55\x1b\x00\xf0\xe7\xde\x64\x26\xed\xdb\x8f" "\xa4\x7d\xfb\x7e\xb4\x56\x8d\x16\x21\x28\x26\x4d\x5a\xb5\x0b\x37\x4a\x0b" "\x22\x15\x05\x5d\xd4\x65\x4c\xa6\x25\x74\xda\x48\x13\xc5\xd6\x62\x53\x11" "\x57\x82\x14\x75\x2d\x2e\x45\xff\x02\x77\x22\x88\xba\x12\xdc\xba\x72\x25" "\x85\xa2\xdd\xb4\x75\x15\xb9\x37\xf7\x26\x93\x34\x93\x84\x7c\xcc\xd8\xce" 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"\x9e\x15\x77\xfb\xe9\xe7\x0f\x5f\x69\x76\xfc\x75\xc7\xbf\x49\x6e\xd4\xe6" "\xde\x1b\xda\x7f\x69\x91\xbe\xa4\x71\xbe\x76\x6a\x73\x8f\xbf\xce\xf3\x3f" "\xad\x26\xaf\xe5\xf3\xcc\xd5\x62\xce\xf1\x9d\xd1\xe9\xe9\x0b\xc3\x11\xd5" "\xe4\x64\x9e\xaf\x16\x65\xf3\xf5\x23\x0b\xfb\x96\xf9\xb2\x7c\x76\xfe\x0f" "\x1c\x5a\xfe\xfa\xdf\x5b\xec\x93\xc5\xff\x40\x44\x64\x27\xf1\x83\x11\xf1" "\x50\x44\x3c\x5c\xd4\xfd\x91\x88\x78\x34\x22\x0e\xad\x10\xe3\x0f\xcf\xaf" "\x1e\x7f\xa4\x6d\x6a\xff\xab\x11\xe3\xcb\xde\xff\xe6\xcf\xff\x25\xed\x7f" "\xf1\xd2\xd9\xf2\xd6\xb8\xb0\x66\xc5\x44\xd7\xd9\xef\xbf\x69\x76\xfc\xb5" "\xb5\xff\xd1\x3c\x35\x50\xac\xc9\xef\x7f\xab\x58\xae\x3a\xdd\xcb\x54\x79" "\xbd\xff\x37\x00\x00\x00\xb8\x97\xa4\xf9\x77\xe0\x93\x74\x70\x3e\x9d\xa6" "\x83\x83\x73\xdf\xe1\xdf\x17\xff\x4a\xeb\x93\x53\xd3\x4f\x9c\x9e\x7c\xeb" "\xfc\xf8\xdc\x77\xe5\xfb\xa2\x92\x96\x23\x5d\xbd\xc5\x78\x68\x7d\xa2\x5e" "\x1b\x4e\x66\x8a\xbf\x58\x49\x8e\x47\xbd\x36\x52\x0c\xd1\x95\xe3\xa5\x47" "\x22\x62\x4f\x44\x7c\xda\xb5\x3d\xcf\x0f\x8e\x4d\xd6\xc7\xdb\x1c\x3b\x74" "\xba\x1d\x4d\xae\xff\xcc\xef\x5d\xcd\xf7\xdb\xd6\xb2\x1a\x02\x5b\x68\xfb" "\xb2\x6b\x47\xaa\x2d\xaf\x08\xd0\x06\x4b\xe7\xd1\xd3\xc5\xd9\x2b\x2f\x87" "\x9b\x01\xdc\xaf\xfc\x5e\x1b\x3a\xd7\x2a\xd7\x7f\xda\xaa\x7a\x00\xad\xe7" "\xf9\x0f\x9d\x6b\xb9\xeb\xff\xca\x92\xfc\x0a\x73\x01\xc0\x3d\xcc\xf3\x1f" "\x3a\x57\x79\xfd\x1b\xe5\x87\x0e\x93\x7e\xd7\xee\x1a\x00\x6d\xa4\xff\x0f" "\x1d\x69\xd5\x1f\xef\xe7\x89\xa4\xc9\x2f\xea\xb7\x2c\xb1\xad\x71\x4d\x75" "\xe5\xc2\xd5\x56\x56\xac\x15\x89\x35\x36\xca\x06\x12\x3d\xeb\xdf\x3d\xa2" "\x4c\xa4\x6d\xff\x47\x49\x6c\x61\xa2\xdd\x77\x26\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x80\xcd\xf1\x77\x00\x00\x00\xff\xff\xcd\xfa\xd7" "\xb4", 1188); syz_mount_image( /*fs=*/0x2000000009c0, /*dir=*/0x200000000040, /*flags=MS_I_VERSION|MS_SYNCHRONOUS|MS_NOEXEC|MS_NOATIME|0x300*/ 0x800718, /*opts=*/0x200000000300, /*chdir=*/4, /*size=*/0x4a4, /*img=*/0x200000000a00); return 0; }