// https://syzkaller.appspot.com/bug?id=487023d89abc146dc9dcf191b2d632847e88fa94 // 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"); } 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); const char* reason; (void)reason; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } memcpy((void*)0x200008c0, "ext4\000", 5); memcpy((void*)0x20000300, "./" "file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000", 255); memcpy((void*)0x20000280, "test_dummy_encryption", 21); *(uint8_t*)0x20000295 = 0x2c; memcpy((void*)0x20000296, "journal_ioprio", 14); *(uint8_t*)0x200002a4 = 0x3d; sprintf((char*)0x200002a5, "0x%016llx", (long long)1); *(uint8_t*)0x200002b7 = 0x2c; memcpy((void*)0x200002b8, "stripe", 6); *(uint8_t*)0x200002be = 0x3d; sprintf((char*)0x200002bf, "0x%016llx", (long long)0); *(uint8_t*)0x200002d1 = 0x2c; *(uint8_t*)0x200002d2 = 0; memcpy( (void*)0x20000f00, "\x78\x9c\xec\xdb\xcd\x6f\x14\xe5\x1f\x00\xf0\xef\x4c\x5f\x80\x1f\xf0\xeb" "\x8a\xf8\xc2\x8b\x5a\x45\x63\xe3\x4b\x4b\x01\x95\x83\x07\x35\x9a\x78\xc0" "\xc4\x44\x0f\x7a\x6c\xda\x42\x90\x85\x1a\x5a\x13\x20\x44\xc1\x18\x3c\x19" "\x63\xe2\xdd\x78\xf4\x5f\xf0\xa4\x17\x63\x3c\x99\x78\xd5\xbb\x21\x21\x86" "\x0b\xe0\x69\xcd\xec\xcc\xd0\xdd\x65\x77\x69\xcb\x2e\x8b\xee\xe7\x93\x4c" "\xfb\x3c\x33\xcf\xcc\xf3\x7c\x77\xe6\xd9\x7d\x66\x9e\xdd\x00\x86\xd6\x64" "\xf6\x27\x89\xd8\x16\x11\xbf\x47\xc4\x44\x9e\x6d\x2e\x30\x99\xff\xbb\x7e" "\xf5\xfc\xfc\x8d\xab\xe7\xe7\x93\xa8\xd5\xde\xf9\x2b\xa9\x97\xbb\x76\xf5" "\xfc\x7c\x59\xb4\xdc\x6f\x6b\x91\x99\x4a\x23\xd2\xcf\x92\xd8\xd3\xa6\xde" "\xe5\xb3\xe7\x4e\xcc\x55\xab\x8b\xa7\x8b\xfc\xcc\xca\xc9\x0f\x67\x96\xcf" "\x9e\x7b\xfe\xf8\xc9\xb9\x63\x8b\xc7\x16\x4f\x1d\x38\x7c\xf8\xd0\xc1\xd9" "\x97\x5e\x3c\xf0\x42\x4f\xe2\xcc\xda\x74\x6d\xf7\xc7\x4b\x7b\x77\xbd\xf9" "\xfe\x57\x6f\x1d\xf9\x22\x5b\x37\x5e\xc6\xdf\x12\x47\x8f\x4c\x76\xdb\xf8" "\x54\xad\xd6\xe3\xea\x06\x6b\x7b\x43\x3a\x19\x1d\x60\x43\x58\x97\x91\x88" "\xc8\x4e\xd7\x58\xbd\xff\x4f\xc4\x48\xac\x9e\xbc\x89\x78\xe3\xd3\x81\x36" "\x0e\xe8\xab\x5a\xad\x56\xdb\xda\x79\xf3\x85\x1a\xf0\x1f\x96\x44\x73\x5e" "\x97\x87\x61\x51\x7e\xd0\x67\xf7\xbf\xe5\xd2\x3a\x08\x78\xa5\x7f\xc3\x8f" "\x81\xbb\xf2\x6a\x7e\x03\x94\xc5\x7d\xbd\x58\xf2\x2d\xa3\x91\x16\x65\xc6" "\x5a\xee\x6f\x7b\x69\x32\x22\xde\xbb\xf0\xf7\x37\xd9\x12\xfd\x79\x0e\x01" "\x00\xd0\xe4\x87\x6c\xfc\xf3\x5c\xbb\xf1\x5f\x1a\x0f\x36\x94\xfb\x7f\x31" "\x37\x54\x89\x88\xfb\x22\x62\x47\x44\xdc\x1f\x11\x3b\x23\xe2\x81\x88\x7a" "\xd9\x87\x22\xe2\xe1\x75\xd6\xdf\x3a\x49\x72\xeb\xf8\x27\xbd\xbc\xa1\xc0" "\xd6\x28\x1b\xff\xbd\x5c\xcc\x6d\x35\x8f\xff\xca\xd1\x5f\x54\x46\x8a\xdc" "\xf6\x7a\xfc\x63\xc9\xd1\xe3\xd5\xc5\xfd\xc5\x6b\x32\x15\x63\x9b\xb2\xfc" "\x6c\x97\x3a\x7e\x7c\xfd\xb7\x2f\x3b\x6d\x6b\x1c\xff\x65\x4b\x56\x7f\x39" "\x16\x2c\xda\x71\x79\x74\x53\xf3\x3e\x0b\x73\x2b\x73\x77\x12\x73\xa3\x2b" "\x17\x23\x76\x8f\xb6\x8b\x3f\xb9\x39\x13\x90\x44\xc4\xae\x88\xd8\xbd\xc1" "\x3a\x8e\x3f\xf3\xdd\xde\x4e\xdb\x6e\x1f\x7f\x17\x3d\x98\x67\xaa\x7d\x1b" "\xf1\x74\x7e\xfe\x2f\x44\x4b\xfc\xa5\xa4\xfb\xfc\xe4\xcc\xe6\xa8\x2e\xee" "\x9f\x29\xaf\x8a\x5b\xfd\xf2\xeb\xa5\xb7\x3b\xd5\x7f\x47\xf1\xf7\x40\x76" "\xfe\xff\xd7\xf6\xfa\xbf\x19\x7f\x25\x69\x9c\xaf\x5d\x5e\x7f\x1d\x97\xfe" "\xf8\xbc\xe3\x3d\xcd\x1a\xaf\xff\x4a\xe3\x3e\xd9\xf5\x3f\x9e\xbc\x5b\x4f" "\x8f\x17\xeb\xce\xcc\xad\xac\x9c\x9e\x8d\x18\x4f\x8e\xe4\x8d\x6e\x5c\x7f" "\x60\x75\xdf\x32\x5f\x96\xcf\xe2\x9f\xda\xd7\xbe\xff\xef\x88\xd5\x57\x62" "\x4f\x44\x64\x17\xf1\x23\x11\xf1\x68\x44\x3c\x56\xb4\xfd\xf1\x88\x78\x22" "\x22\xf6\x75\x89\xff\xe7\xd7\x9e\xfc\x60\xe3\xf1\xf7\x57\x16\xff\xc2\xba" "\xce\xff\x6a\x62\x3c\x5a\xd7\xb4\x4f\x8c\x9c\xf8\xe9\xfb\xa6\x4a\x2b\xb7" "\xc4\x7f\xa3\xfb\xf9\x3f\x54\x4f\x4d\x15\x6b\xd6\xf2\xfe\xb7\x96\x76\x6d" "\xec\x6a\x06\x00\x00\x80\x7f\x9f\x34\x22\xb6\x45\x92\x4e\xdf\x4c\xa7\xe9" "\xf4\x74\xfe\x7d\xf9\x9d\x11\x69\x75\x69\x79\xe5\xd9\xa3\x4b\x1f\x9d\x5a" "\xc8\x7f\x23\x50\x89\xb1\xb4\x7c\xd2\x35\xd1\xf0\x3c\x74\xb6\xb8\xad\xcf" "\xf3\x17\x23\x22\xff\x6a\x41\xb9\xfd\x60\xf1\xdc\xf8\xeb\x91\x2d\xf5\xfc" "\xf4\xfc\x52\x75\x61\xd0\xc1\xc3\x90\xdb\xda\xa1\xff\x67\xfe\x1c\x19\x74" "\xeb\x80\xbe\xf3\x7b\x2d\x18\x5e\xfa\x3f\x0c\x2f\xfd\x1f\x86\x97\xfe\x0f" "\xc3\xab\x4d\xff\xdf\x32\x88\x76\x00\x77\x5f\xbb\xcf\xff\x4f\x06\xd0\x0e" "\xe0\xee\x6b\xe9\xff\xa6\xfd\x60\x88\xb8\xff\x87\xe1\xa5\xff\xc3\xf0\xd2" "\xff\x61\x28\x2d\x6f\x89\xdb\xff\x48\xbe\x6b\xa2\x3c\xd2\x06\x77\xef\x96" "\x18\x3d\x93\x1f\xba\xf7\x47\xbe\x0b\x89\x18\xbb\x27\x9a\x91\x27\x36\xf7" "\xfe\xc8\x91\xde\x03\x71\x49\xf4\x2d\x31\xc0\x37\x25\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\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\x1e\xfa\x27\x00\x00\xff\xff\x84\x2e\xdd" "\x7d", 1116); syz_mount_image(/*fs=*/0x200008c0, /*dir=*/0x20000300, /*flags=MS_I_VERSION|MS_DIRSYNC*/ 0x800080, /*opts=*/0x20000280, /*chdir=*/3, /*size=*/0x45c, /*img=*/0x20000f00); memcpy((void*)0x20000000, "./control\000", 10); syscall(__NR_mkdir, /*path=*/0x20000000ul, /*mode=*/0ul); memcpy((void*)0x20000040, "./control\000", 10); res = syscall(__NR_open, /*file=*/0x20000040ul, /*flags=*/0ul, /*mode=*/0ul); if (res != -1) r[0] = res; syscall(__NR_getdents64, /*fd=*/r[0], /*ent=*/0ul, /*count=*/0ul); return 0; }