// https://syzkaller.appspot.com/bug?id=8a0515c326633c38c5145308835518579ea8af1e // 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 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; } uint64_t r[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=*/7ul, /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul); intptr_t res = 0; memcpy((void*)0x20000000, "hfsplus\000", 8); memcpy((void*)0x20000100, "./file1\000", 8); *(uint32_t*)0x20000140 = 0; sprintf((char*)0x20000144, "0x%016llx", (long long)-1); *(uint32_t*)0x20000156 = -1; memcpy( (void*)0x200003c0, "\x78\x9c\xec\xdd\xcd\x6f\x1c\x67\x1d\x07\xf0\xef\x6e\xd6\x2f\x1b\xa4\xd4" "\x6d\x93\x34\xa0\x4a\x58\x8d\x54\x50\x2d\x12\xbf\xc8\x29\xe6\x42\x40\x08" "\xf9\x50\xa1\xaa\x1c\x38\x5b\x89\xd3\x58\xd9\xb8\xc5\x76\x91\x13\x21\x08" "\xef\x07\x2e\x1c\xfa\x07\x14\x09\xdf\x38\x21\x71\x8f\x54\xce\x70\xeb\xd5" "\xc7\x4a\x48\x5c\x7a\x0a\xa7\x45\x33\x3b\x6b\xaf\x5f\xe2\xac\x6b\x37\xbb" "\xa6\x9f\x4f\x34\xfb\x3c\x33\xcf\x3c\xcf\xfc\xe6\x37\xb3\x33\x3b\x6b\x45" "\x1b\xe0\x4b\x6b\x71\x2a\x8d\xc7\xa9\x65\x71\xea\xad\xcd\x62\x7e\x7b\x6b" "\xae\xb5\xbd\x35\x77\xbf\x5b\x4f\x32\x96\xa4\x9e\x34\x3a\x45\x6a\xab\x49" "\xed\xe3\xe4\x66\x3a\x53\xbe\x5a\x2c\xac\x86\xab\x3d\x6d\x3b\x1f\xae\x2c" "\xbc\xf3\xc9\x67\xdb\x9f\x76\xe6\x1a\xd5\x54\xae\x5f\x3f\xaa\xdf\x01\x37" "\x0e\x5b\xf8\xa8\x9a\x32\x99\xe4\x5c\x55\x9e\xc0\x9e\xf1\x6e\x9d\x78\xbc" "\xda\xce\x1e\x16\x09\xbb\xda\x4d\x1c\x0c\xda\x48\x92\x76\x8f\x37\xf2\xd3" "\xcb\xbb\x2d\xcf\xd4\xff\xfb\x16\x18\x5a\xb5\xce\x7d\xf3\x80\x89\xe4\x7c" "\x92\xf1\xea\x73\x40\xe7\xae\xd8\xb9\x67\x9f\x69\x8f\x06\x1d\x00\x00\x00" "\x00\x9c\xbe\xe6\xfe\x05\x2f\xfc\xb1\x7c\x84\xbf\x30\x90\x68\x00\x00\x00" "\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\x8c\xaa\x7e\xff\xbf\x56\x4d\xf5\x6e\x7d\x32" "\xb5\xee\xef\xff\x8f\x56\xcb\x52\xd5\xcf\xb4\xc7\x83\x0e\x00\x00\x00\x00" "\x00\x00\x00\x00\x4e\xc1\xd7\x9f\xe4\x49\x36\x73\xa1\x3b\xdf\xae\x95\x7f" "\xf3\x7f\xad\x9c\xb9\x58\xbe\x7e\x25\x1f\x64\x3d\xcb\x59\xcb\xb5\x6c\x66" "\x29\x1b\xd9\xc8\x5a\x66\x92\x4c\xf4\x0c\x34\xba\xb9\xb4\xb1\xb1\x36\xd3" "\x47\xcf\xd9\x43\x7b\xce\xf6\x19\x70\xf3\xe4\xfb\x0c\x00\x00\x00\x00\x00" "\x00\x00\xc3\xae\x71\xfc\x2e\xbf\xce\xe2\xee\xdf\xff\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\x60\x18\xd4\x92\x73\x9d\xa2\x9c\x2e\x76\xeb\x13" "\xa9\x37\x92\x8c\x27\x19\x2d\xd6\x7b\x94\xfc\xab\x5b\x3f\xcb\x1e\x0f\x3a" "\x00\x00\x00\x00\x78\x0e\x5e\x78\x92\x27\xd9\xcc\x85\xee\x7c\xbb\x56\x3e" "\xf3\x5f\x2e\x9f\xfb\xc7\xf3\x41\x56\xb3\x91\x95\x6c\xa4\x95\xe5\xdc\x2e" "\xbf\x0b\xe8\x3c\xf5\xd7\xb7\xb7\xe6\x5a\xdb\x5b\x73\xf7\x8b\xe9\xe0\xb8" "\xdf\xfb\xcf\xb1\xc2\x28\x47\x4c\xe7\xbb\x87\xc3\xb7\x7c\xa5\x5c\xa3\x99" "\x3b\x59\x29\x97\x5c\xcb\xad\xbc\x97\x56\x6e\xa7\x5e\xf6\x2c\x5c\xe9\xc6" "\x73\x78\x5c\xbf\x2a\x62\xaa\x7d\xb7\xd2\x67\x64\xb7\xab\xb2\xd8\xf3\x3f" "\x55\xe5\x70\x98\x28\x33\x32\xb2\x93\x91\xe9\x2a\xb6\x22\x1b\x2f\x1e\x9d" "\x89\x63\x1e\x9d\xfd\x5b\x9a\x49\x7d\xe7\x9b\x9f\x8b\xa7\x99\xf3\xcd\x4e" "\xf1\xe6\x5f\x3a\x65\xb1\x3f\xbf\x1f\xbe\x9c\x37\x76\x33\x31\xdb\x73\xf6" "\x5d\x3e\x3a\x13\xc9\x37\xfe\xfe\xd7\x9f\xdc\x6d\xad\xde\xbb\x7b\x67\x7d" "\x6a\x78\x76\xe9\x18\xc6\xda\xed\x76\xb7\xbe\xff\x9c\x98\xeb\xc9\xc4\x2b" "\xff\xf7\x99\xe8\x35\x5d\x66\xe2\xd2\xce\xfc\x62\x7e\x98\x1f\x67\x2a\x93" "\x79\x3b\x6b\x59\xc9\xcf\xb2\x94\x8d\x2c\x67\x32\x3f\xc8\x52\xce\x65\xa9" "\x3a\x9f\x8b\xd7\x89\xa3\x33\x75\x73\xcf\xdc\xdb\xcf\x8a\x64\xb4\x3c\x2e" "\x23\xd5\x55\xb4\xff\x98\x36\xb2\x94\xd7\xca\xbe\x17\xb2\x92\x1f\xe5\xbd" "\xdc\xce\x72\x6e\x94\xff\x66\x33\x93\x37\x33\x9f\xf9\x2c\xf4\x1c\xe1\x4b" "\x7d\xbc\xeb\xeb\xc7\xbb\xd2\x5e\xfd\x66\xcf\x97\xc9\x7f\x48\xd2\xec\xaf" "\xdf\x73\x50\x04\xf6\xe2\xce\xdd\x69\xef\x35\x77\xa2\x6c\xeb\x5d\xb2\x9b" "\xa5\x97\x4e\xff\x7e\xd4\xf8\x5a\x55\x29\xb6\xf1\x9b\xaa\x1c\x0e\xfb\x33" "\x31\xd3\x93\x89\x97\x8f\xce\xc4\x9f\xcb\xcb\xca\x7a\x6b\xf5\xde\xda\xdd" "\xa5\xf7\xfb\xdc\xde\xeb\x55\x59\xbc\x8f\x7e\x37\x54\x77\x89\xe2\x7c\x79" "\xa9\x38\x58\xe5\xdc\xde\xb3\xa3\x68\x7b\xf9\xd0\xb6\x99\xb2\xed\xe2\x4e" "\x5b\xfd\x40\xdb\xa5\x9d\xb6\x67\xbd\x53\x47\xab\xcf\x70\x07\x47\x9a\x2d" "\xdb\x5e\x39\xb4\x6d\xae\x6c\xbb\xd2\xd3\x76\xd8\xe7\x2d\x00\x86\xde\xf9" "\x37\xce\x8f\x36\xff\xdd\xfc\x67\xf3\xa3\xe6\x6f\x9b\x77\x9b\x6f\x8d\x7f" "\x7f\xec\xdb\x63\xaf\x8e\x66\xe4\x1f\x23\xdf\x69\x4c\x9f\x7b\xbd\xfe\x6a" "\xed\x6f\xf9\x28\xbf\xd8\x7d\xfe\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x3e\xbf\xf5\x07" "\x0f\xef\x2d\xb5\x5a\xcb\x6b\xfb\x2a\xed\x76\xfb\x97\x4f\x69\x1a\x9a\xca" "\x48\x92\xc1\x6c\x7d\x34\xc9\x49\xc6\x19\xeb\x6b\xe5\xd1\xa7\x1e\x9d\xe3" "\x26\xea\xb8\xbd\x92\x53\x49\x54\xa3\x3a\xc9\x1e\x3c\xbc\xf7\xdf\x76\xbb" "\x3d\x24\xa7\x4d\x1f\x95\x76\x65\x58\xe2\x19\x44\x65\xc0\x17\x26\xe0\x0b" "\x77\x7d\xe3\xfe\xfb\xd7\xd7\x1f\x3c\xfc\xd6\xca\xfd\xa5\x77\x97\xdf\x5d" "\x5e\x5d\x98\x9f\x5f\x98\x5e\x98\xbf\x31\x77\xfd\xce\x4a\x6b\x79\xba\xf3" "\x3a\xe8\x28\x81\x2f\xc2\xee\x4d\x7f\xd0\x91\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\xfd\x7a\x1e\xff\x9d\x60\xd0\xfb\x08\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x9c\x6d\x8b" "\x53\x63\x55\xed\xda\x74\xf1\xba\xbd\x35\xd7\x2a\xa6\x6e\x7d\x77\xcd\x46" "\x92\x7a\x92\xda\xcf\x93\xda\xc7\xc9\xcd\x74\xa6\x4c\xf4\x0c\x57\x7b\xda" "\x76\x3e\x5c\x59\x78\xe7\x93\xcf\xb6\x3f\xdd\x1d\xab\xd1\x5d\xbf\xbe\xa7" "\xdf\xc8\xe7\xd9\x8b\x47\xd5\x94\xc9\x24\xe7\xaa\xb2\xd7\xf8\x09\xc6\xbb" "\x75\xc8\x78\xc7\x53\xdb\xd9\xc3\x22\x61\x57\xbb\x89\x83\x41\xfb\x5f\x00" "\x00\x00\xff\xff\x72\x84\x0a\x91", 1592); syz_mount_image(/*fs=*/0x20000000, /*dir=*/0x20000100, /*flags=*/0x50, /*opts=*/0x20000140, /*chdir=*/0x42, /*size=*/0x638, /*img=*/0x200003c0); memcpy((void*)0x20000040, ".\000", 2); res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x20000040ul, /*flags=*/0ul, /*mode=*/0ul); if (res != -1) r[0] = res; syscall(__NR_getdents64, /*fd=*/r[0], /*ent=*/0x200002c0ul, /*count=*/0xa5ul); return 0; }