// https://syzkaller.appspot.com/bug?id=226f9086d780dcf4cd884f40aeb6b56825e0e244 // 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 279 #endif #ifndef __NR_mmap #define __NR_mmap 222 #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"); } 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=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); memcpy((void*)0x20000180, "ext4\000", 5); memcpy((void*)0x200000c0, "./file0\000", 8); memcpy((void*)0x20000400, "dioread_nolock", 14); *(uint8_t*)0x2000040e = 0x2c; memcpy((void*)0x2000040f, "user_xattr", 10); *(uint8_t*)0x20000419 = 0x2c; memcpy((void*)0x2000041a, "debug_want_extra_isize", 22); *(uint8_t*)0x20000430 = 0x3d; sprintf((char*)0x20000431, "0x%016llx", (long long)0x5c); *(uint8_t*)0x20000443 = 0x2c; memcpy((void*)0x20000444, "delalloc", 8); *(uint8_t*)0x2000044c = 0x2c; memcpy((void*)0x2000044d, "mblk_io_submit", 14); *(uint8_t*)0x2000045b = 0x2c; memcpy((void*)0x2000045c, "errors=continue", 15); *(uint8_t*)0x2000046b = 0x2c; memcpy((void*)0x2000046c, "usrjquota=", 10); *(uint8_t*)0x20000476 = 0x2c; memcpy((void*)0x20000477, "prjquota", 8); *(uint8_t*)0x2000047f = 0x2c; memcpy((void*)0x20000480, "nodiscard", 9); *(uint8_t*)0x20000489 = 0x2c; *(uint8_t*)0x2000048a = 0; memcpy( (void*)0x200008c0, "\x78\x9c\xec\xdb\xcf\x6f\x14\x55\x1c\x00\xf0\xef\xcc\xb6\xa0\xfc\x6a\x45" "\x44\x41\xd0\x2a\x1a\x1b\x7f\xb4\xb4\xa0\x72\xf0\xa2\xd1\xc4\x83\x26\x26" "\x7a\xc0\x63\x6d\x0b\xa9\x2c\xd4\xd0\x9a\x08\x69\xb4\x1a\x83\x47\x43\xe2" "\xdd\x78\x34\xf1\x2f\xf0\xa4\x17\xa3\x9e\x4c\xbc\xea\xdd\x90\x10\x6d\x4c" "\x40\x4f\x35\xb3\x3b\xd3\x6e\x97\x6e\xe9\x8f\x5d\x16\x99\xcf\x27\x19\x78" "\x6f\xe7\xed\xbe\xf7\xdd\x37\x6f\xe6\xed\xbc\x4e\x00\xa5\x35\x90\xfd\x93" "\x44\xec\x8a\x88\xdf\x22\xa2\xaf\x9e\x5d\x59\x60\xa0\xfe\xdf\xf5\x85\xb9" "\xf1\x7f\x16\xe6\xc6\x93\x58\x5c\x7c\xf3\xcf\xa4\x56\xee\xda\xc2\xdc\x78" "\x51\xb4\x78\xdf\xce\x3c\x33\x98\x46\xa4\x9f\x26\x79\x25\x2b\xcd\x5c\xb8" "\x78\x66\xac\x5a\x9d\x3c\x9f\xe7\x87\x67\xcf\xbe\x37\x3c\x73\xe1\xe2\x33" "\x53\x67\xc7\x4e\x4f\x9e\x9e\x3c\x37\x7a\xe2\xc4\xf1\x63\x23\xcf\x3f\x37" "\xfa\x6c\x5b\xe2\xcc\xe2\xba\x76\xf0\xc3\xe9\x43\x07\x5e\x7d\xfb\xf2\xeb" "\xe3\x27\x2f\xbf\xf3\xd3\x37\x59\x7b\xf7\x1f\xae\xef\x6f\x8c\xa3\x5d\x06" "\xb2\xc0\xff\x5a\xac\x69\xde\xf7\x78\xbb\x2b\xeb\xb2\xdd\x0d\xe9\xa4\xa7" "\x8b\x0d\x61\x43\x2a\x11\x91\x75\x57\x6f\x6d\xfc\xf7\x45\x25\x96\x3b\xaf" "\x2f\x5e\xf9\xa4\xab\x8d\x03\x3a\x2a\xbb\x36\x6d\x6f\xbd\x7b\x7e\x11\xb8" "\x83\x25\xd1\xed\x16\x00\xdd\x51\x5c\xe8\xb3\xdf\xbf\xc5\x76\x8b\xa6\x1e" "\xb7\x85\xab\x2f\xd6\x7f\x00\x65\x71\x5f\xcf\xb7\xfa\x9e\x9e\x48\xf3\x32" "\xbd\x1d\xac\x7f\x20\x22\x4e\xce\xff\xfb\x65\xb6\x45\x87\xee\x43\x00\x00" "\x34\xfa\x2e\x9b\xff\x3c\xbd\xda\xfc\x2f\x8d\xfd\x0d\xe5\xf6\xe4\x6b\x28" "\xfd\x11\x71\x4f\x44\xec\x8d\x88\x7b\x23\x62\x5f\x44\xdc\x17\x51\x2b\x7b" "\x7f\x44\x3c\xb0\xc1\xfa\x9b\x97\x86\x6e\x9c\xff\xa4\x57\x36\x15\xd8\x3a" "\x65\xf3\xbf\x17\xf2\xb5\xad\x95\xf3\xbf\x62\xf6\x17\xfd\x95\x3c\xb7\xbb" "\x16\x7f\x6f\x72\x6a\xaa\x3a\x79\x34\xff\x4e\x06\xa3\x77\x7b\x96\x1f\x59" "\xa3\x8e\xef\x5f\xfe\xf5\xf3\x56\xfb\x1a\xe7\x7f\xd9\x96\xd5\x5f\xcc\x05" "\xf3\x76\x5c\xe9\x69\xba\x41\x37\x31\x36\x3b\xd6\xae\x49\xe9\xd5\x8f\x23" "\x0e\xf6\xac\x16\x7f\xb2\xb4\x12\x90\x44\xc4\x81\x88\x38\xb8\xb1\x8f\xde" "\x53\x24\xa6\x9e\xfc\xfa\x50\xab\x42\x37\x8f\x7f\x0d\x6d\x58\x67\x5a\xfc" "\x2a\xe2\x89\x7a\xff\xcf\x47\x53\xfc\x85\x64\xed\xf5\xc9\xe1\xbb\xa2\x3a" "\x79\x74\xb8\x38\x2a\x6e\xf4\xf3\x2f\x97\xde\x68\x55\xff\x96\xe2\x6f\x83" "\xac\xff\x77\xac\x3c\xfe\x9b\x4a\xf4\xfd\x9d\x34\xae\xd7\xce\x6c\xbc\x8e" "\x4b\xbf\x7f\xd6\xf2\x37\xcd\x66\x8f\xff\x6d\xc9\x5b\xb5\xf3\x51\xd1\x51" "\x1f\x8c\xcd\xce\x9e\x1f\x89\xd8\x96\xbc\x56\x7b\x71\x5b\x5e\xb6\xf6\xfa" "\xe8\xf2\x7b\x8b\x7c\x51\x3e\x8b\x7f\xf0\xc8\xea\xe3\x7f\x6f\x2c\x57\xf0" "\x60\x44\x64\x07\xf1\xe1\x88\x78\x28\x22\x1e\xce\xdb\xfe\x48\x44\x3c\x1a" "\x11\x47\xd6\x88\xff\xc7\x97\x1e\x7b\x77\xf3\xf1\x77\x56\x16\xff\xc4\xaa" "\xe7\xbf\xa5\xe3\xbf\x7f\x65\xff\x6f\x3c\x51\x39\xf3\xc3\xb7\xad\xea\x5f" "\x5f\xff\x1f\xaf\xa5\x06\xf3\x57\x6a\xe7\xbf\x9b\x58\x6f\x03\xb7\xf2\xdd" "\x01\x00\x00\xc0\xff\x45\x1a\x11\xbb\x22\x49\x87\x96\xd2\x69\x3a\x34\x54" "\xff\x1b\xfe\x7d\xb1\x23\xad\x4e\xcf\xcc\x3e\x75\x6a\xfa\xfd\x73\x13\xf5" "\x67\x04\xfa\xa3\x37\x2d\xee\x74\xf5\x35\xdc\x0f\x1d\x49\xe6\xf3\x4f\xac" "\xe7\x47\xf3\x7b\xc5\xc5\xfe\x63\xf9\x7d\xe3\x2f\x2a\x77\xd7\xf2\x43\xe3" "\xd3\xd5\x89\x2e\xc7\x0e\x65\xb7\xb3\xc5\xf8\xcf\xfc\x51\xe9\x76\xeb\x80" "\x8e\xf3\xbc\x16\x94\x57\xf3\xf8\x4f\xbb\xd4\x0e\xe0\xd6\x73\xfd\x87\xf2" "\x32\xfe\xa1\xbc\x8c\x7f\x28\xaf\xd5\xc6\xff\x47\x4d\x79\x6b\x01\x70\x67" "\x72\xfd\x87\xf2\x32\xfe\xa1\xbc\x8c\x7f\x28\x2f\xe3\x1f\x4a\x69\x2b\xcf" "\xf5\x4b\x94\x39\x11\xe9\x6d\xd1\x0c\x89\x0e\x25\xba\x7d\x66\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x68\x8f\xff\x02\x00\x00\xff\xff\x6a" "\xa3\xee\x9a", 1083); syz_mount_image( /*fs=*/0x20000180, /*dir=*/0x200000c0, /*flags=MS_I_VERSION|MS_SYNCHRONOUS|MS_NODEV|MS_NOATIME|0x300*/ 0x800714, /*opts=*/0x20000400, /*chdir=*/0xfe, /*size=*/0x43a, /*img=*/0x200008c0); return 0; }