// https://syzkaller.appspot.com/bug?id=69d68b20fab45dda1a57ac65326005e06b5f6ab4 // 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, "journal_dev", 11); *(uint8_t*)0x2000028b = 0x3d; sprintf((char*)0x2000028c, "0x%016llx", (long long)3); *(uint8_t*)0x2000029e = 0x2c; memcpy((void*)0x2000029f, "test_dummy_encryption", 21); *(uint8_t*)0x200002b4 = 0x2c; memcpy((void*)0x200002b5, "stripe", 6); *(uint8_t*)0x200002bb = 0x3d; sprintf((char*)0x200002bc, "0x%016llx", (long long)1); *(uint8_t*)0x200002ce = 0x2c; *(uint8_t*)0x200002cf = 0; memcpy( (void*)0x20000e00, "\x78\x9c\xec\xdb\xcd\x6f\x14\xe5\x1f\x00\xf0\xef\x4c\x5f\xf8\xf1\x03\xed" "\xaa\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\xcc\xec\xcc\xd0\xed\x76\x77\xa1\x65\xdb\x45\xf6\xf3\x49\x06" "\xbe\xcf\xbc\xec\xf3\x7c\xf7\x99\x67\xf7\x99\x99\x6e\x00\x03\x6b\x3c\xff" "\x27\x89\xd8\x1e\x11\x7f\x44\xc4\x58\x51\x5c\xb9\xc3\x78\xf1\xdf\xb5\x2b" "\xe7\x66\xaf\x5f\x39\x37\x9b\x44\x96\xbd\xfb\x77\xd2\xd8\xef\xea\x95\x73" "\xb3\xd5\xae\xd5\x71\xdb\xca\xc2\x44\x1a\x91\x7e\x9e\xc4\xee\x36\xf5\x2e" "\x9e\x39\x7b\x7c\xa6\x5e\x9f\x3f\x55\x96\xa7\x96\x4e\x7c\x34\xb5\x78\xe6" "\xec\x0b\xc7\x4e\xcc\x1c\x9d\x3f\x3a\x7f\x72\xff\xa1\x43\x07\x0f\x4c\xbf" "\xfc\xd2\xfe\x17\x7b\x92\x67\xde\xa6\xab\xbb\x3e\x59\xd8\xb3\xf3\xad\x0f" "\xbe\x7e\xfb\xf0\x97\xf9\xba\xd1\x2a\xff\x96\x3c\x7a\x64\xbc\xdb\xc6\xa7" "\xb3\xac\xc7\xd5\xf5\xd7\x3d\x4d\x71\x32\xdc\xc7\x86\xb0\x26\x43\x11\x91" "\x77\xd7\x48\x63\xfc\x8f\xc5\x50\x2c\x77\xde\x58\xbc\xf9\x59\xbb\x63\x74" "\x2f\xdc\x1d\xb2\x2c\xcb\xb6\x75\xde\x7c\x3e\x03\xee\x62\x49\xac\x2c\x1b" "\xf2\x30\x28\xaa\x2f\xfa\xfc\xfa\xb7\x5a\x5a\x27\x01\xaf\x6e\xdc\xf4\xa3" "\xef\x2e\xbf\x56\x5c\xd0\xe4\x79\x5f\x2b\x97\x62\xcb\x70\xa4\xe5\x3e\x23" "\x2d\xd7\xb7\xbd\x34\x1e\x11\xef\x9f\xff\xe7\xdb\x7c\x89\x8d\xb9\x0f\x01" "\x00\xb0\xc2\x8f\xf9\xfc\xe7\xf9\x76\xf3\xbf\x34\x1e\x6a\xda\xef\xde\xf2" "\xd9\x50\x2d\x22\xee\x8b\x88\xfb\x23\xe2\x81\x88\xd8\x11\x11\x0f\x46\x34" "\xf6\x7d\x38\x22\x1e\x59\x63\xfd\xad\x0f\x49\x56\xcf\x7f\xd2\x4b\xeb\x4a" "\xec\x16\xe5\xf3\xbf\x57\xca\x67\x5b\xcd\xf3\xbf\xd1\x1b\xb3\xbf\xa8\x0d" "\x35\xde\x8d\x62\x0e\x58\x8b\x91\xe4\xc8\xb1\xfa\xfc\xbe\xf2\x3d\x99\x88" "\x91\x2d\x79\x79\xba\x4b\x1d\x3f\xbd\xf1\xfb\x57\x9d\xb6\x35\xcf\xff\xf2" "\x25\xaf\xbf\x9a\x0b\x16\xd2\x4b\xc3\x5b\x56\x1e\x33\x37\xb3\x34\x73\x7b" "\x59\x2f\xbb\x7c\x21\x62\xd7\xf0\xea\xfc\x23\x92\x1b\xf7\xf9\x93\x88\xd8" "\x19\x11\xbb\xd6\x59\xc7\xb1\x67\xbf\xdf\xd3\x69\xdb\xcd\xf3\xef\xa2\x07" "\x0f\x22\xb2\xef\x22\x9e\x29\xfa\xff\x7c\xb4\xe4\x5f\x49\xba\x3f\x9f\x9c" "\xfa\x5f\xd4\xe7\xf7\x4d\x55\x67\xc5\x6a\xbf\xfe\x76\xf1\x9d\x4e\xf5\xdf" "\x56\xfe\x3d\x90\xf7\xff\xff\xdb\x9c\xff\x4d\xf9\xd7\x92\xe6\xe7\xb5\x8b" "\x6b\xaf\xe3\xe2\x9f\x5f\x74\xbc\xa6\x59\xef\xf9\x3f\x9a\xbc\xd7\x88\x47" "\xcb\x75\xa7\x67\x96\x96\x4e\x4d\x47\x8c\x26\x87\x8b\x46\x37\xaf\xdf\xbf" "\x7c\x6c\x55\xae\xf6\xcf\xf3\x9f\xd8\xdb\x2e\xff\xb4\xf1\x19\x57\xbd\x13" "\xbb\x23\x22\x3f\x89\x1f\x8d\x88\xc7\x22\xe2\xf1\xb2\xed\x4f\x44\xc4\x93" "\x11\xb1\xb7\x4b\xfe\xbf\xbc\xfe\xd4\x87\x45\xb4\xfa\x84\x6d\xca\xbf\xda" "\xb8\xe9\xfd\x3f\xb7\xa6\xfe\x5f\x0e\x46\xa3\x75\x4d\xfb\x60\xe8\xf8\xcf" "\x3f\xac\xa8\xb4\xb6\x1c\x96\xf9\x5f\xef\xde\xff\x07\x1b\xd1\x44\xb9\xe6" "\x56\x3e\xff\x6e\xa5\x5d\xeb\x3b\x9b\x01\x00\x00\xe0\xbf\x27\x8d\x88\xed" "\x91\xa4\x93\x37\xe2\x34\x9d\x9c\x2c\xfe\x5e\x7e\x47\x44\x5a\x5f\x58\x5c" "\x7a\xee\xc8\xc2\xc7\x27\xe7\x8a\xdf\x08\xd4\x62\x24\xad\xee\x74\x8d\x35" "\xdd\x0f\x9d\x2e\x2f\xeb\x8b\xf2\x85\x88\x28\xfe\xb4\xa0\xda\x7e\xa0\xbc" "\x6f\xfc\xcd\xd0\xd6\x46\x79\x72\x76\xa1\x3e\xd7\xef\xe4\x61\xc0\x6d\xeb" "\x30\xfe\x73\x7f\x0d\xf5\xbb\x75\xc0\x86\xf3\x83\x1e\x18\x5c\xc6\x3f\x0c" "\x2e\xe3\x1f\x06\x97\xf1\x0f\x83\xab\xcd\xf8\xdf\xda\x8f\x76\x00\x9b\xaf" "\xdd\xf7\xff\xa7\x7d\x68\x07\xb0\xf9\x5a\xc6\xbf\xc7\x7e\x30\x40\x5c\xff" "\xc3\xe0\xea\x36\xfe\xb3\x2c\x73\x29\x00\x77\x31\xdf\xff\x30\x90\x16\xb7" "\xc6\xcd\x7f\x24\xdf\x35\xa8\x5e\x69\x9d\x87\x77\x0b\x86\x4f\x17\x2f\xdd" "\xfb\x57\xde\x84\x20\x46\xee\x88\x66\x6c\x58\x10\xe9\x1d\xd1\x0c\xc1\x06" "\x05\x7d\xfc\x50\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe8\xa1" "\x7f\x03\x00\x00\xff\xff\x12\xf6\xdb\xf9", 1126); syz_mount_image(/*fs=*/0x200008c0, /*dir=*/0x20000300, /*flags=MS_SYNCHRONOUS|MS_DIRSYNC*/ 0x90, /*opts=*/0x20000280, /*chdir=*/3, /*size=*/0x466, /*img=*/0x20000e00); memcpy((void*)0x20000140, "./control\000", 10); syscall(__NR_mkdir, /*path=*/0x20000140ul, /*mode=*/0ul); memcpy((void*)0x20022ff6, "./control\000", 10); res = syscall(__NR_open, /*file=*/0x20022ff6ul, /*flags=*/0ul, /*mode=*/0ul); if (res != -1) r[0] = res; syscall(__NR_getdents64, /*fd=*/r[0], /*ent=*/0ul, /*count=*/0ul); return 0; }