// https://syzkaller.appspot.com/bug?id=7b2fa28f4ae1888bb19ddb92127a72e4202e65aa // 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$hfs arguments: [ // fs: ptr[in, buffer] { // buffer: {68 66 73 00} (length 0x4) // } // dir: ptr[in, buffer] { // buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8) // } // flags: mount_flags = 0x1218001 (8 bytes) // opts: ptr[in, fs_options[hfs_options]] { // fs_options[hfs_options] { // elems: array[fs_opt_elem[hfs_options]] { // fs_opt_elem[hfs_options] { // elem: union hfs_options { // gid: fs_opt["gid", fmt[hex, gid]] { // name: buffer: {67 69 64} (length 0x3) // eq: const = 0x3d (1 bytes) // val: gid (resource) // } // } // comma: const = 0x2c (1 bytes) // } // fs_opt_elem[hfs_options] { // elem: union hfs_options { // quiet: buffer: {71 75 69 65 74} (length 0x5) // } // comma: const = 0x2c (1 bytes) // } // fs_opt_elem[hfs_options] { // elem: union hfs_options { // iocharset: fs_opt["iocharset", stringnoz[codepages_names]] { // name: buffer: {69 6f 63 68 61 72 73 65 74} (length 0x9) // eq: const = 0x3d (1 bytes) // val: buffer: {6d 61 63 67 72 65 65 6b} (length 0x8) // } // } // comma: const = 0x2c (1 bytes) // } // fs_opt_elem[hfs_options] { // elem: union hfs_options { // creator: fs_opt["creator", array[int8, 4]] { // name: buffer: {63 72 65 61 74 6f 72} (length 0x7) // eq: const = 0x3d (1 bytes) // val: buffer: {01 0b e2 18} (length 0x4) // } // } // comma: const = 0x2c (1 bytes) // } // } // common: array[fs_opt_elem[fs_options_common]] { // } // null: const = 0x0 (1 bytes) // } // } // chdir: int8 = 0x2 (1 bytes) // size: len = 0x356 (8 bytes) // img: ptr[in, buffer] { // buffer: (compressed buffer with length 0x356) // } // ] // returns fd_dir memcpy((void*)0x200000000040, "hfs\000", 4); memcpy((void*)0x200000000000, "./file1\000", 8); memcpy((void*)0x200000000100, "gid", 3); *(uint8_t*)0x200000000103 = 0x3d; sprintf((char*)0x200000000104, "0x%016llx", (long long)0); *(uint8_t*)0x200000000116 = 0x2c; memcpy((void*)0x200000000117, "quiet", 5); *(uint8_t*)0x20000000011c = 0x2c; memcpy((void*)0x20000000011d, "iocharset", 9); *(uint8_t*)0x200000000126 = 0x3d; memcpy((void*)0x200000000127, "macgreek", 8); *(uint8_t*)0x20000000012f = 0x2c; memcpy((void*)0x200000000130, "creator", 7); *(uint8_t*)0x200000000137 = 0x3d; memcpy((void*)0x200000000138, "\x01\x0b\xe2\x18", 4); *(uint8_t*)0x20000000013c = 0x2c; *(uint8_t*)0x20000000013d = 0; memcpy( (void*)0x200000000c40, "\x78\x9c\xec\xdd\x3d\x6b\x14\x4d\x00\x07\xf0\xff\xec\xee\xdd\xed\x3d\x09" "\x79\xf6\x49\xf2\x10\xb0\x92\x68\xc0\x2a\x24\xb1\x50\x6c\x0c\x12\x6c\xfc" "\x02\x16\x12\x8c\xc9\x05\x42\xd6\x08\x1a\xc1\x04\xc4\x68\x2d\x62\x27\x08" "\x96\x76\xd6\xa2\x5f\x41\x1b\xf1\x0b\x68\x95\x42\x6c\xd4\x26\x58\xb8\x32" "\x2f\xfb\x7a\xb3\x97\xbb\xcb\xcb\x26\xe4\xff\x03\x2f\xfb\x32\xb3\x33\xb3" "\x33\xb3\x3b\x93\x70\x0e\x88\xe8\xc4\xba\x32\xf7\xe5\xf5\xf9\x6d\xf9\x4f" "\xd4\x00\xb8\x00\x2e\x01\x0e\x00\x1f\xf0\x00\xfc\x8f\x31\xff\xfe\xda\x7a" "\x7b\xcc\x46\x7e\xd7\x4d\xb6\x04\x74\x4c\xd1\x16\x65\x71\xad\xd5\x7e\x1d" "\x5f\xff\xf0\x72\xfb\x1e\x3c\x0c\xa6\xc7\xe8\xa0\x44\x51\x14\x7d\xdd\x35" "\xd4\xcf\x43\xc9\x0b\x55\x47\x64\x7b\x70\x86\xa3\x3b\xba\x17\xf7\x70\xff" "\xd0\x73\x76\x30\xb6\xda\x1e\x60\x27\x40\xa6\x86\xc5\x0e\x76\xf0\x00\x43" "\x55\x66\x87\x88\x88\xaa\x67\xde\xff\x8e\x79\x4b\x0c\x9a\xf1\xbb\xe3\x00" "\x13\x66\x1c\x7e\xdc\xdf\xff\xb9\xf1\xcd\x4e\x75\xf9\x38\x12\x92\xf7\xbf" "\xa3\xf7\x23\x21\xef\xcf\xbf\xea\x94\x9c\xef\xad\xac\x87\xad\x25\x3d\x85" "\x93\xb5\xef\xc4\xb3\x44\xdb\xb5\xac\x6d\x22\x4a\x6f\x77\x1d\xba\x65\xb9" "\x03\x99\x21\x57\x26\x15\x9b\x9a\xf9\xd9\x5c\x5e\x09\x5b\x93\x5b\xea\x02" "\x4f\x70\xd9\xc8\x04\x1c\x55\x9f\x4b\x88\x0b\xa2\x94\xe5\xb6\xae\x43\x8d" "\x5b\xe6\xa6\x1d\x74\x2a\xbb\xf6\xa3\xe4\xf8\x80\xfc\x70\x6a\xb2\x0c\x33" "\x25\xf9\x1f\xe9\x94\xa2\x75\x02\xfc\xfe\x1b\x5e\xd8\x93\x9b\xff\x68\x3b" "\x5a\x28\xab\xf8\x20\x3e\x89\x79\x11\xe0\x25\x96\x92\xf1\x9f\x17\x09\x59" "\x4d\xaa\xa6\x82\x42\x57\xd1\xf9\x9f\x2a\x29\xa2\x2c\x65\x9c\xcd\xb0\x35" "\x95\x2b\x65\x9a\xfd\xff\x54\x22\xa7\x4c\x0a\x78\xf7\x26\x2d\x65\xb3\xec" "\xbe\xfa\x70\x65\x5e\xf2\xea\x69\x39\x8a\xe3\xf7\x20\xce\xe7\xf3\xba\xfd" "\x82\xea\xf0\x30\xf2\xbf\x56\xd0\xa5\x9b\x2e\x2f\x9d\x8a\x35\x02\x78\x42" "\xcd\x1a\xb2\xb1\x66\x92\x40\xbf\xad\xb1\x46\x8b\x69\x35\x97\x6b\x61\x6b" "\x72\xf1\x4e\x68\x6f\xf4\xfb\xcd\x3a\xa3\x13\xcf\xc4\x75\x31\x8e\xef\x78" "\x8b\xb9\xcc\xf8\xdf\x91\xa1\x27\x50\xde\x33\x73\xbd\x5c\xa8\x90\xa6\x65" "\x74\x2c\x8f\xa7\x42\xb6\xd5\xa3\x85\xea\x9a\xb7\x7b\xea\x99\xa4\x5c\xcd" "\xf7\xd7\xae\xe2\x3c\xc5\x2d\x5c\xc4\xd0\xbd\x8d\xcd\xd5\x85\x30\x6c\xdd" "\xad\x7e\x23\xee\x2a\x7d\x46\x3f\xbd\x9f\xf9\x69\x6c\x6c\xea\x86\x68\x9a" "\xa3\x3c\x05\xf5\x84\x4b\xc2\xc0\x97\x1b\xf2\x3d\xb5\x6f\x37\xe1\x4f\x14" "\x45\xd6\x53\x1e\x0e\xa3\x0a\xf4\x3b\xf7\xc2\xab\xb4\xc8\x9b\xab\x0b\xc2" "\x3c\xf3\xf6\x96\x84\x7c\x72\x16\x4e\xcd\x96\x07\x06\x30\x0b\xc0\x1c\x89" "\x9f\x08\xfd\xa4\xfe\x28\x89\xd5\x48\x2f\xb8\x4b\xac\x40\xa5\xf5\x4b\xd6" "\xb6\x3a\x92\x6b\x90\xb5\x78\x23\xce\x95\x3a\x15\x37\xdd\x83\xa9\x9d\x38" "\xa9\xdc\x29\x17\x8d\xae\x7a\x4a\xb3\x8f\x44\xaf\x3d\x5c\x5d\x08\xfb\x7a" "\x12\xd1\x31\x93\x56\x3a\xc6\x6e\x54\x9d\x19\xaa\x82\x1c\x2f\x08\x3d\xff" "\xcb\xcc\x57\xa6\xd4\x53\x47\x7e\x04\x1d\xe6\x3f\xb5\xfc\x6e\xb3\x2d\x40" "\xe6\x8a\xd3\x25\x33\xa0\x61\xf5\xf9\x4f\x77\x33\xb8\xe4\xb2\xa5\xe3\xc4" "\x81\x78\xc3\xcc\xb9\x2c\x93\x01\x35\xe7\x3a\x73\x0e\x38\x5b\x48\xd1\x41" "\x9c\xe2\xe3\x62\x9c\xc0\xe4\x13\x47\xf1\xaf\x92\xbd\xff\x29\x43\xcc\xe1" "\x33\x6e\xf2\xf7\xff\x44\x44\x44\x44\x44\x44\x44\x44\x44\x44\x44\x44\x44" "\x44\x44\x44\x44\x44\x44\x44\xc7\x4d\xaf\xdf\x46\xe8\xe7\xeb\x04\xf9\x14" "\xb7\x4f\xe0\x7f\xbc\x41\x44\x44\x44\x44\x44\x44\x44\x44\x44\x44\x44\x44" "\x44\x44\x44\x44\x44\x44\x44\x44\x44\x44\xb4\x37\x99\xf5\x7f\x01\x57\xad" "\x18\x53\xb7\xad\xff\x5b\xbe\x52\x93\xe1\xea\x15\x62\xfc\x9e\xd7\xff\x4d" "\x56\xfc\x4d\x04\x6e\x17\xeb\xff\x8a\x2d\xfb\xf2\x36\x44\xd4\xb5\xbf\x01" "\x00\x00\xff\xff\x79\xb6\x56\x33", 854); syz_mount_image( /*fs=*/0x200000000040, /*dir=*/0x200000000000, /*flags=MS_POSIXACL|MS_STRICTATIME|MS_SILENT|MS_RELATIME|MS_RDONLY*/ 0x1218001, /*opts=*/0x200000000100, /*chdir=*/2, /*size=*/0x356, /*img=*/0x200000000c40); return 0; }