// https://syzkaller.appspot.com/bug?id=fd8390ba69592b72154b6f07028f7ecca7c239b4 // 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, 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) { 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) { ioctl(loopfd, LOOP_CLR_FD, 0); close(loopfd); } errno = err; return res; } 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); memcpy((void*)0x20000600, "hfsplus\000", 8); memcpy((void*)0x20000200, "./bus\000", 6); memcpy( (void*)0x20000640, "\x78\x9c\xec\xdd\xcf\x6f\x1c\x67\xfd\x07\xf0\xf7\xac\x1d\x27\x9b\x6f\xbf" "\xae\x9b\x26\x6d\x8a\x2a\xd5\x6a\x24\x40\x58\x24\xfe\x21\x17\xcc\x85\x80" "\x10\xf2\xa1\x42\x55\x39\x70\xb6\x12\xa7\xb1\xb2\x49\x8b\xed\x22\xb7\x42" "\xd4\xfc\xbe\xf6\xd0\x3f\xa0\x1c\x7c\xe3\x80\x90\xb8\x47\x2a\x17\x2e\x20" "\x2e\xbd\xfa\x58\x09\x89\x4b\x2f\x98\xd3\xa2\x99\x9d\xb5\x37\xfe\xd5\x75" "\x71\xbc\x9b\xf2\x7a\x45\xb3\xcf\x33\xf3\xcc\x3c\xcf\xe7\xf9\xcc\xce\xce" "\xee\x46\xd6\x06\xf8\x9f\xb5\x38\x95\xd1\x87\x29\xb2\x38\xf5\xea\x46\xb9" "\xbe\xbd\x35\xd7\xda\xde\x9a\xbb\xdf\xad\x27\x39\x9f\xa4\x91\x8c\x76\x8a" "\x14\xff\x6a\xb7\xdb\x1f\x25\x37\xd3\x59\xf2\x42\xb9\xb1\xee\xae\x38\x6a" "\x9c\x0f\x56\x16\x5e\xff\xf8\xd3\xed\x4f\x3a\x6b\xa3\xf5\x52\xed\xdf\x38" "\xee\xb8\xfe\x6c\xd6\x4b\x26\x93\x8c\xd4\x65\xff\x0e\x8c\xfe\x48\x7f\xb7" "\x4e\xdc\xdf\x61\xfd\x77\xc6\x28\x13\x76\xad\x9b\x38\x18\xb4\x73\x49\xda" "\x8f\xf8\xf1\x5f\x9e\xda\x6d\xe9\xd1\x3c\xec\xe8\x0b\x67\x12\x23\xf0\x78" "\x15\x9d\xfb\xe6\x01\x13\xc9\xc5\xfa\x42\x2f\xdf\x07\x74\xee\x8a\x9d\x7b" "\xf6\x13\x6d\x73\xd0\x01\x00\x00\x00\xc0\x19\x78\x7a\x27\x3b\xd9\xc8\xf8" "\xa0\xe3\x00\x00\x00\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\x27\x49\xfd\xfb\xff\x45" "\xbd\x34\xba\xf5\xc9\x14\xdd\xdf\xff\x1f\xab\xb7\xa5\xae\x0f\x97\x97\x4e" "\xb6\xfb\xc3\xc7\x15\x07\x00\x00\x00\x00\x00\x00\x00\x9c\xa1\x97\x76\xb2" "\x93\x8d\x8c\x27\x9b\xd5\x7a\xbb\xa8\xfe\xcf\xff\xe5\x6a\xe5\x72\xf5\xf8" "\x7f\x79\x3b\x6b\x59\xce\x6a\xae\x67\x23\x4b\x59\xcf\x7a\x56\x33\x93\x64" "\xa2\xa7\xa3\xb1\x8d\xa5\xf5\xf5\xd5\x99\x3e\x8e\x9c\x3d\xf4\xc8\xd9\xcf" "\x08\xf4\x7c\x5d\x36\x4f\x6d\xea\x00\x00\x00\x00\x00\x00\x00\xf0\x45\xf2" "\x8b\x2c\x66\x7c\xd0\x41\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40" "\xaf\x22\x19\xe9\x14\xd5\x72\xb9\x5b\x9f\x48\x63\x34\xc9\x85\x24\x63\xe5" "\x7e\x9b\xc9\xdf\xba\xf5\x27\xd9\xc3\x41\x07\x00\x00\x00\x00\x67\xe0\xe9" "\x9d\xec\x64\x23\xe3\xdd\xf5\x76\x51\x7d\xe6\x7f\xae\xfa\xdc\x7f\x21\x6f" "\xe7\x41\xd6\xb3\x92\xf5\xb4\xb2\x9c\xdb\xd5\x77\x01\x9d\x4f\xfd\x8d\xed" "\xad\xb9\xd6\xf6\xd6\xdc\xfd\x72\x39\xd8\xef\x77\xfe\x79\xa2\x30\xaa\x1e" "\xd3\xf9\xee\xe1\xf0\x91\xaf\x56\x7b\x34\x73\x27\x2b\xd5\x96\xeb\xb9\x95" "\x37\xd3\xca\xed\x34\xaa\x23\x4b\x57\xbb\xf1\x1c\x1e\xd7\xcf\xcb\x98\x8a" "\x6f\xd7\xfa\x8c\xec\x76\x5d\x96\x33\x7f\xbf\x2e\x0f\x78\xef\x44\x93\x3d" "\xca\x09\xbf\x4c\x99\xa8\x32\x72\x6e\x37\x23\xd3\x75\x6c\x65\x36\x9e\x39" "\x3e\x13\x27\x3c\x3b\xfb\x47\x9a\x49\x63\x37\xd8\xcb\xfb\x46\xda\x37\x89" "\xcf\x95\xf3\x8b\x75\x59\xce\xe7\x37\x47\xe5\x7c\x20\xf6\x67\x62\xb6\xe7" "\xd9\xf7\xdc\xf1\x39\x4f\xbe\xf2\xa7\xdf\xff\xe8\x6e\xeb\xc1\xbd\xbb\x77" "\xd6\xa6\x86\x67\x4a\xfd\x19\xa9\xcb\x76\x77\xc3\xfe\x4c\xcc\xf5\x64\xe2" "\xf9\x2f\x72\x26\x0e\x98\xae\x32\x71\x65\x77\x7d\x31\xdf\xcf\x0f\x33\x95" "\xc9\xbc\x96\xd5\xac\xe4\x27\x59\xca\x7a\x96\x33\x99\xef\x55\xb5\xa5\xfa" "\xf9\x5c\xf4\x5c\xf2\x47\x64\xea\xe6\x23\x6b\xaf\x7d\x56\x24\x63\xf5\x79" "\xe9\x9c\xac\x93\xc5\xf4\x72\x75\xec\x78\x56\xf2\x83\xbc\x99\xdb\x59\xce" "\x2b\xd5\xbf\xd9\xcc\xe4\x1b\x99\xcf\x7c\x16\x7a\xce\xf0\x95\x3e\x5e\x69" "\x1b\x47\x5c\xf5\xed\xff\x3f\x34\xf8\x6b\x5f\xad\x2b\xcd\x24\xbf\xad\xcb" "\xe1\x50\xe6\xf5\x99\x9e\xbc\xf6\xbe\xe6\x4e\x54\x6d\xbd\x5b\xf6\xb2\x74" "\xe9\xf4\xef\x47\xa3\x5f\xaa\x2b\xe5\x18\xbf\xac\xcb\xe1\xb0\x3f\x13\x33" "\x3d\x99\x78\xf6\xf8\x4c\xfc\xae\x7a\x59\x59\x6b\x3d\xb8\xb7\x7a\x77\xe9" "\xad\xfe\x86\xbb\xf4\x7e\x5d\x29\xaf\xa3\x5f\x0f\xd5\x5d\xa2\x7c\xbe\x5c" "\x2a\x4f\x56\xb5\xf6\xe8\xb3\xa3\x6c\x7b\xf6\xd0\xb6\x99\xaa\xed\xf2\x6e" "\x5b\xe3\x40\xdb\x95\xdd\xb6\xce\x95\xba\x79\xe4\x95\x3a\x56\xbf\x87\x3b" "\xd8\xd3\x6c\xd5\xf6\xfc\xa1\x6d\x73\x55\xdb\xd5\x9e\xb6\xc3\xde\x6f\x01" "\x30\xf4\x2e\x7e\xed\xe2\x58\xf3\x1f\xcd\xbf\x36\x3f\x6c\xfe\xaa\x79\xb7" "\xf9\xea\x85\xef\x9e\xff\xe6\xf9\x17\xc7\x72\xee\xcf\xe7\xbe\x35\x3a\x3d" "\xf2\xe5\xc6\x8b\xc5\x1f\xf3\x61\x7e\xb6\xf7\xf9\x1f\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\xf8\xfc\xd6\xde\x79\xf7\xde\x52\xab\xb5\xbc\xba\xaf\xd2\x6e\xb7\xdf\x3b" "\xa2\xe9\x0c\x2b\x7f\x38\xed\x0e\xbb\x3f\x67\x76\x86\xb3\x78\xe1\xa9\x64" "\x90\x39\x1c\x8e\xca\xbf\xdb\xed\x76\xbd\xa5\x18\x86\x78\x8e\xaf\xb4\x6b" "\xa7\xda\xf3\xdf\xeb\xdf\x3f\x1b\x86\x09\xf6\x51\x19\xe4\xab\x12\x70\x16" "\x6e\xac\xdf\x7f\xeb\xc6\xda\x3b\xef\x7e\x7d\xe5\xfe\xd2\x1b\xcb\x6f\x2c" "\x3f\x58\x98\x9f\x5f\x98\x5e\x98\x7f\x65\xee\xc6\x9d\x95\xd6\xf2\x74\xe7" "\x71\xd0\x51\x02\x8f\xc3\xde\x4d\x7f\xd0\x91\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\xfd\x3a\x8b\x3f\x27\x18\xf4\x1c\x01\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\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\x27\xdb\xe2" "\x54\x46\x1f\xa6\xc8\xcc\xf4\xf5\xe9\x72\x7d\x7b\x6b\xae\x55\x2e\xdd\xfa" "\xde\x9e\xa3\x49\x1a\x49\x8a\x9f\x26\xc5\x47\xc9\xcd\x74\x96\x4c\xf4\x74" "\x57\x1c\x35\xce\x07\x2b\x0b\xaf\x7f\xfc\xe9\xf6\x27\x7b\x7d\x8d\x76\xf7" "\x6f\x1c\x77\x5c\x7f\x36\xeb\x25\x93\x49\x46\xea\xf2\xb4\xfa\xbb\xf5\x5f" "\xf7\x57\xec\xce\xb0\x4c\xd8\xb5\x6e\xe2\x60\xd0\xfe\x13\x00\x00\xff\xff" "\xaa\x7b\x10\xae", 1606); syz_mount_image(0x20000600, 0x20000200, 0x10410, 0x20000140, 1, 0x646, 0x20000640); memcpy((void*)0x20000140, "./file1\000", 8); syscall(__NR_unlink, 0x20000140ul); return 0; }