// 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_getdents64 #define __NR_getdents64 61 #endif #ifndef __NR_memfd_create #define __NR_memfd_create 279 #endif #ifndef __NR_mmap #define __NR_mmap 222 #endif #ifndef __NR_openat #define __NR_openat 56 #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; } uint64_t r[1] = {0xffffffffffffffff}; 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); intptr_t res = 0; memcpy((void*)0x20000000, "hfsplus\000", 8); memcpy((void*)0x20000100, "./file1\000", 8); memcpy( (void*)0x200010c0, "\x78\x9c\xec\xdd\xcd\x6b\x1c\xe7\x1d\x07\xf0\xef\xac\x56\xb2\xe4\x16\x47" "\x49\xec\xc4\x2d\x81\x88\x18\xd2\x52\x53\x5b\x2f\x28\xad\x7a\x89\xdb\x43" "\xd1\x21\x94\xe0\x1e\x42\xa1\x17\x61\xcb\xb1\xf0\x5a\x09\x92\x52\x94\x50" "\x8a\xfa\x7e\xed\x21\x7f\x40\x7a\xd0\xa1\xd0\x53\xa1\x77\x43\x0a\x3d\xb5" "\xbd\xe5\xaa\x53\x09\x14\x7a\xc9\x49\x37\x97\x99\x9d\xd5\xae\x2d\x4b\xde" "\xb5\x64\xad\xd5\x7c\x3e\x62\x76\x9e\x99\x67\x9e\x97\xf9\xed\xcc\x33\x3b" "\xbb\x88\x09\xf0\xa5\xb5\x78\x39\xcd\x7b\x29\xb2\x78\xf9\xad\xcd\x72\x79" "\x67\x7b\xae\xb5\xb3\x3d\x77\xa6\xce\x6e\x25\x29\xd3\x8d\xa4\xd9\x9e\xa5" "\x58\x4d\x8a\x4f\x93\x6b\x69\x4f\xf9\x5a\xb9\xb2\xde\xbe\x38\xa8\x9d\x8f" "\x57\x16\xae\x7f\xf6\xc5\xce\xe7\xed\xa5\x66\x3d\x55\xdb\x37\x0e\x2b\xd7" "\x9f\xad\x7a\xca\x54\x92\x91\x7a\xbe\xdf\xe8\x13\xd5\x77\xe3\xc0\xfa\x0e" "\xb7\xb4\x97\x2a\xf6\xf6\xb0\x0c\xd8\xa5\x4e\xe0\x60\xd8\xee\xef\xb3\x35" "\x48\xf1\x23\x9e\xb7\xc0\xb3\xa0\x68\x5f\x37\xf7\x99\x4c\xce\x26\x19\xaf" "\x3f\x07\xa4\x1e\x1d\x1a\x27\xdb\xbb\xe3\x37\xd0\x28\x07\x00\x00\x00\xa7" "\xd4\x73\xbb\xd9\xcd\x66\xce\x0d\xbb\x1f\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x70\x9a\xd4\xcf\xff\x2f\xea\xa9\xd1\x49\x4f\xa5\xe8\x3c\xff\x7f\xac" "\x5e\x97\x3a\x7d\xbd\x31\xe4\x3e\x1f\xc5\xbd\x61\x77\x00\x00\x00\x00\x00" "\x00\x00\x00\x8e\xc1\xab\xbb\xd9\xcd\x66\xce\x75\x96\xef\xb7\x7f\xd9\x7f" "\xad\x7a\x3d\x5f\xbd\x7e\x25\x1f\x64\x3d\xcb\x59\xcb\x95\x6c\x66\x29\x1b" "\xd9\xc8\x5a\x66\x92\x4c\xf6\x54\x34\xb6\xb9\xb4\xb1\xb1\x36\xd3\x47\xc9" "\xd9\x47\x96\x9c\x3d\x89\xbd\x05\x00\x00\x00\x00\x00\x00\x80\xff\x5b\xbf" "\xca\x62\xf7\xf7\x7f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x78\x16" "\x14\xc9\x48\x7b\x56\x4d\xe7\x3b\xe9\xc9\x34\x9a\x49\xc6\x93\x8c\x95\xdb" "\x6d\x25\xff\xea\xa4\x4f\x89\xe2\x51\x2b\xef\x9d\x7c\x3f\x00\x00\x00\xe0" "\x48\xc6\x9f\xa0\xcc\x73\xbb\xd9\xcd\x66\xce\x75\x96\xef\x17\xd5\x3d\xff" "\x4b\xd5\xfd\xf2\x78\x3e\xc8\x6a\x36\xb2\x92\x8d\xb4\xb2\x9c\x9b\xf5\x3d" "\x74\x79\xd7\xdf\xd8\xd9\x9e\x6b\xed\x6c\xcf\xdd\xdd\xd9\x9e\xab\x1a\xfe" "\xe9\xfd\xb6\x76\x3d\xdf\xff\xef\x40\xdd\xa8\x6a\x4c\xfb\xbb\x87\x47\xb7" "\x7c\xb1\xdc\xe2\xd5\xe4\x56\x56\xaa\x35\x57\x72\xa3\xea\xcc\xcd\x34\xaa" "\x92\xa5\x8b\x75\x7f\xf6\xa6\x07\x1b\xf9\x65\xd9\xa7\x89\x37\x6b\x7d\xf6" "\xec\x66\x3d\x2f\x1b\xfb\xc3\x41\xdf\x22\x1c\x87\xc6\xa1\xb9\x5f\xdd\xbf" "\x6a\xb2\x2a\x34\xba\x17\x91\xe9\xba\x6f\x65\x45\xcf\x1f\x1e\x89\xc7\xbe" "\x3b\xcd\x43\x5b\x9a\x49\x63\xef\x9b\x9f\xf3\x87\xb4\xd4\xd9\xa5\x62\xc0" "\x98\x9f\xed\x94\x4b\xf2\xbb\x72\x3e\xd2\xcd\x7b\xf3\xdf\x7f\xfa\x49\x9f" "\xd5\x3c\x05\x7b\x91\x68\xa4\x8a\xc4\x6c\xcf\xd1\xf7\xd2\xe1\x31\x4f\xbe" "\xf1\xd7\x3f\xbf\x73\xbb\xb5\x7a\xe7\xf6\xad\xf5\xcb\x4f\xed\x30\x3a\x29" "\x0f\x1f\x13\x73\x3d\x91\x78\xf9\x54\x47\xa2\x39\xe0\xf6\xd3\x55\x24\x2e" "\xec\x2d\x2f\xe6\x87\xf9\x71\x2e\x67\x2a\x6f\x67\x2d\x2b\xf9\x59\x96\xb2" "\x91\xe5\xd4\x23\x63\x96\xea\xf3\xb4\x7c\x9d\xec\x89\x52\xb2\x2f\x52\xd7" "\x1e\x58\x7a\xfb\x71\x3d\x19\xab\xdf\x97\xf6\xe9\xd2\x4f\x9f\xa6\x72\xa6" "\x4a\x2d\xe5\xb5\xaa\xec\xb9\xac\xa4\xc8\x7b\xb9\x99\xe5\xbc\x51\xfd\xcd" "\x66\x26\xdf\xc9\x7c\xe6\xb3\xd0\xf3\x0e\x5f\x38\xf0\x1d\xae\xf6\xad\x1a" "\x69\x1b\x83\x9d\xf5\x97\xbe\x99\xee\xf0\xfa\xfb\x72\xa4\xee\xaf\x5c\xf2" "\xf7\x7e\x37\x1c\x5c\xfb\x92\x5a\xc6\xf5\xf9\x9e\xb8\xf6\x8e\xb9\x93\x55" "\x5e\xef\x9a\x6e\x94\x5e\xe8\xe3\x7a\x34\xe0\xd8\xd8\xfc\x7a\x9d\x28\xdb" "\xf8\xf5\x63\x2f\x1b\x27\xe9\xe1\x48\xcc\xf4\x44\xe2\xc5\xc3\x23\xf1\xc7" "\xea\xdc\x58\x6f\xad\xde\x59\xbb\xbd\xf4\xfe\x01\xf5\x6f\x3d\xb4\xfc\xfa" "\x68\x37\xfd\xdb\xa7\x79\x65\x1e\x58\x79\xbc\xbc\x90\xf1\x7a\x24\x79\xf0" "\xe8\x28\xf3\x5e\xdc\x1b\x65\x1e\x8c\xd7\x58\xfd\x8b\x4b\x3b\xaf\xb1\x2f" "\xef\x42\x95\x57\x14\x9d\x33\xf5\x47\x07\x9e\xa9\x63\xf5\x67\xb8\xfd\x35" "\xcd\x56\x79\x2f\xef\xcf\x1b\xe9\xf4\xfc\x62\x4f\xde\x44\xef\xe7\xad\xbc" "\xf7\x8f\xe1\xc4\x13\x80\x01\x9d\xfd\xd6\xd9\xb1\x89\xff\x4c\xfc\x73\xe2" "\x93\x89\xdf\x4c\xdc\x9e\x78\x6b\xfc\x07\x67\xbe\x7b\xe6\x95\xb1\x8c\xfe" "\x6d\xf4\x7b\xcd\xe9\x91\xd7\x1b\xaf\x14\x7f\xc9\x27\xf9\x45\xf7\xfe\x1f" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x78\x72\xeb\x1f\x7e\x74\x67\xa9\xd5\x5a\x5e\x7b\x74" "\xa2\x71\x70\xd6\xf1\x26\x8a\xfa\x41\x3e\x07\x6d\xd3\xcc\x44\x4e\xa0\x1b" "\x27\x99\x28\x92\xad\x63\xaf\x39\xc3\xdf\xaf\x3e\x12\x63\xf5\x83\x86\x8e" "\x5a\xcf\x3b\xd7\x9e\x89\xdd\x39\xd5\x89\x91\x24\x9d\x35\x23\xe9\x66\xd5" "\x03\xc4\x93\x3c\x5c\x14\x38\x15\xae\x6e\xdc\x7d\xff\xea\xfa\x87\x1f\x7d" "\x7b\xe5\xee\xd2\xbb\xcb\xef\x2e\xaf\x8e\xce\xcf\x2f\x4c\x2f\xcc\xbf\x31" "\x77\xf5\xd6\x4a\x6b\x79\xba\xfd\x3a\xec\x5e\x02\x4f\x43\xf7\xf3\xc0\xb0" "\x7b\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf4\xeb\x24\xfe\xd3\xa0\xa7" "\xb9\xa9\x21\xee\x2a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x70\x4a\x2d\x5e\x4e\x73\x34\x45\x66\xa6" "\xaf\x4c\x97\xcb\x3b\xdb\x73\xad\x72\xea\xa4\xbb\x5b\x36\x93\x34\x1a\x49" "\xf1\xf3\xa4\xf8\x34\xb9\x96\xf6\x94\xc9\x9e\xea\x8a\x83\xda\xf9\x78\x65" "\xe1\xfa\x67\x5f\xec\x7c\xde\xad\xab\xd9\xd9\xbe\x71\x58\xb9\xfe\x6c\xd5" "\x53\xa6\x92\x8c\xd4\xf3\x1e\x67\x8e\x52\xdf\x8d\xfd\xf5\x0d\xa8\xd8\xdb" "\xc3\x32\x60\x97\x3a\x81\x83\x61\xfb\x5f\x00\x00\x00\xff\xff\xae\x9f\x05" "\x71", 1657); syz_mount_image( /*fs=*/0x20000000, /*dir=*/0x20000100, /*flags=MS_I_VERSION|MS_SILENT|MS_RELATIME|MS_NODIRATIME*/ 0xa08800, /*opts=*/0x20000140, /*chdir=*/1, /*size=*/0x679, /*img=*/0x200010c0); memcpy((void*)0x20000040, ".\000", 2); res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000040ul, /*flags=*/0ul, /*mode=*/0ul); if (res != -1) r[0] = res; syscall(__NR_getdents64, /*fd=*/r[0], /*ent=*/0x20000540ul, /*count=*/0xcbul); return 0; }