// https://syzkaller.appspot.com/bug?id=dacdd83da50d42f90f00ea4b3c264efb31070b26 // 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; } uint64_t r[2] = {0xffffffffffffffff, 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*)0x200000c0, "hfsplus\000", 8); memcpy((void*)0x20000640, "./bus\000", 6); memcpy( (void*)0x20000680, "\x78\x9c\xec\xdd\xcd\x6f\x5c\x57\x19\x07\xe0\xdf\x1d\x4f\x9c\x4c\x90\x12" "\xb7\x4d\xd2\x80\x2a\x61\x35\x52\x41\x58\x24\xfe\x90\x0b\x66\x43\x40\x08" "\x79\x51\xa1\xaa\x2c\x58\x5b\x89\xd3\x58\x99\xb8\xc5\x76\x91\x5b\x21\x30" "\xdf\x5b\x16\xfd\x03\xca\xc2\x3b\x56\x48\xec\x23\x95\x35\xec\xba\xf5\xb2" "\x12\x12\x9b\xae\x8c\x58\x0c\xba\x77\xee\xd8\x13\xc7\x71\xc6\x24\xf1\x8c" "\xc3\xf3\x44\x67\xce\x39\x73\xee\x3d\xf7\xbd\xef\xdc\x73\xed\x99\x51\xe4" "\x00\xff\xb7\x16\xa7\xd2\x7c\x90\x22\x8b\x53\x6f\x6d\x96\xfd\x9d\xed\xb9" "\xf6\xce\xf6\xdc\xfd\x5e\x3b\xc9\xd9\x24\x8d\xa4\xd9\xad\x52\xac\x26\xc5" "\xa7\xc9\xcd\x74\x4b\xbe\x5c\x3e\x99\xa4\x73\xb1\x5b\x1f\xea\xe3\x95\x85" "\x77\x3e\xfb\x62\xe7\xf3\x6e\xaf\x59\x97\x6a\xfb\x46\x8e\xd8\x6f\x30\x5b" "\x75\xc9\x64\x92\xb1\xba\x7e\x56\xf3\xdd\x7a\xea\xf9\x8a\xbd\x33\x2c\x13" "\x76\xad\x97\x38\x18\xb6\x33\xe5\xc2\x7d\xc8\x4f\xaf\xec\x8f\x3c\xd1\x53" "\xae\x5b\x60\x14\x14\x8f\x59\xcc\x13\xc9\xf9\x24\xe7\x7a\xfd\xad\x6e\xd5" "\x38\xc1\xd0\x9e\x8b\xad\x61\x07\x00\x00\x00\x00\x27\xe0\xe2\x6e\x76\xb3" "\x99\x0b\xc3\x8e\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x4e\x93\x22\x19" "\xeb\x56\x55\x69\xf4\xda\x93\x29\x7a\x7f\xff\x7f\xbc\x7e\x2e\x75\xfb\x54" "\x7b\x30\xec\x00\x00\x00\x00\x00\x00\x00\x00\xe0\x19\xf8\xea\x6e\x76\xb3" "\x99\x0b\xbd\x7e\xa7\xa8\xbe\xf3\x7f\xbd\xea\x5c\xaa\x1e\xbf\x94\x0f\xb2" "\x9e\xe5\xac\xe5\x7a\x36\xb3\x94\x8d\x6c\x64\x2d\x33\x49\x26\xfa\x26\x1a" "\xdf\x5c\xda\xd8\x58\x9b\x19\x60\xcf\xd9\x43\xf7\x9c\x1d\x30\xe0\xd6\xd3" "\x9f\x33\x00\x00\x00\x00\x00\x00\x00\xbc\x80\x7e\x9d\xc5\xfd\xef\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\x14\x14\xc9\x58\xb7\xaa\xca" "\xa5\x5e\x7b\x22\x8d\x66\x92\x73\x49\xc6\xcb\xed\xb6\x92\x7f\xf4\xda\xa7" "\xd9\x83\x61\x07\x00\x00\x00\x00\x27\xe0\xe2\x6e\x76\xb3\x99\x0b\xbd\x7e" "\xa7\xa8\xde\xf3\x5f\xa9\xde\xf7\x9f\xcb\x07\x59\xcd\x46\x56\xb2\x91\x76" "\x96\x73\xbb\xfa\x2c\xa0\xfb\xae\xbf\xb1\xb3\x3d\xd7\xde\xd9\x9e\xbb\x5f" "\x96\x47\xe7\xfd\xde\xbf\x8e\x15\x46\x35\x63\xba\x9f\x3d\x1c\x7e\xe4\xab" "\xd5\x16\xad\xdc\xc9\x4a\xf5\xcc\xf5\xdc\xca\x7b\x69\xe7\x76\x1a\xd5\x9e" "\xa5\xab\xbd\x78\x0e\x8f\xeb\x57\x65\x4c\xc5\x77\x6b\x03\x46\x76\xbb\xae" "\xcb\x33\xff\x63\x5d\x8f\x86\x89\x2a\x23\x67\xf6\x32\x32\x5d\xc7\x56\x66" "\xe3\xa5\xa3\x33\x71\xcc\x57\xe7\xe0\x91\x66\xd2\xd8\xfb\xe4\xe7\xd2\x73" "\xc8\xf9\xf9\xba\x2e\xcf\xe7\xf7\x27\x94\xf3\xc1\x8e\x71\x30\x13\xb3\x7d" "\x57\xdf\x95\xa3\x33\x91\x7c\xed\xaf\x7f\xfe\xc9\xdd\xf6\xea\xbd\xbb\x77" "\xd6\xa7\x46\xe7\x32\x3a\x86\xb3\x9d\x4e\xa7\xd7\x3e\x98\x89\xb9\xbe\x4c" "\xbc\xfa\xc2\x67\xa2\xdf\x74\x95\x89\xcb\x7b\xfd\xc5\xfc\x30\x3f\xce\x54" "\x26\xf3\x76\xd6\xb2\x92\x9f\x65\x29\x1b\x59\xce\x64\x7e\x50\xb5\x96\xea" "\x6b\xad\x7c\x9c\x38\x98\xa9\xff\xf4\xa5\x38\xb9\xf9\xd0\x81\xde\x7e\x52" "\x24\xe3\xf5\xeb\xd2\xbd\x8b\x1e\x2f\xa6\xd7\xab\x7d\x2f\x64\x25\x3f\xca" "\x7b\xb9\x9d\xe5\xbc\x59\xfd\x9b\xcd\x4c\xbe\x95\xf9\xcc\x67\xa1\xef\x15" "\xbe\x3c\xc0\xaa\x6f\x1c\x6f\xd5\x5f\xfb\x7a\xdd\x68\x25\xf9\x43\x5d\x8f" "\x86\x32\xaf\x2f\xf5\xe5\xb5\xff\x9e\x3b\x51\x8d\xf5\x3f\xb3\x9f\xa5\x97" "\x9f\xfd\xbd\xb1\xf9\x95\xba\x51\x1e\xe3\x37\x75\x3d\x1a\x0e\x66\x62\xa6" "\x2f\x13\xaf\x1c\x9d\x89\x3f\x55\xd7\xfc\x7a\x7b\xf5\xde\xda\xdd\xa5\xf7" "\x1f\x7f\x88\x87\xd6\xc3\x1b\x75\x5d\xae\xa3\xdf\x8d\xd4\x4f\xe6\xf2\x7a" "\x79\xb9\x7c\xb1\xaa\xde\xc3\x57\x47\x39\xf6\xca\xa1\x63\x33\xd5\xd8\xa5" "\xbd\xb1\xc6\x23\x63\x97\xf7\xc6\x9e\xb4\x52\xc7\xeb\xdf\xe1\x1e\x9d\x69" "\xb6\x1a\x7b\xf5\xd0\xb1\xb9\x6a\xec\x6a\xdf\xd8\x61\xbf\x6f\x01\x30\xf2" "\xce\x7f\xe3\xfc\x78\xeb\x9f\xad\xbf\xb7\x3e\x69\xfd\xb6\x75\xb7\xf5\xd6" "\xb9\xef\x9f\xfd\xf6\xd9\xd7\xc6\x73\xe6\x6f\x67\xbe\xd3\x9c\x1e\x7b\xa3" "\xf1\x5a\xf1\x97\x7c\x92\x5f\xec\xbf\xff\x07\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfe\x77" "\xeb\x1f\x7e\x74\x6f\xa9\xdd\x5e\x5e\x3b\xd0\xe8\x74\x3a\xbf\x7c\xcc\x90" "\x86\xc6\xb1\x1b\xff\xee\x74\x3a\x23\x10\xc6\x80\x8d\x4e\x6d\x54\xe2\x19" "\x46\xe3\xf0\xfb\xc5\xd8\x49\xdf\xa0\x80\xe7\xe6\xc6\xc6\xfd\xf7\x6f\xac" "\x7f\xf8\xd1\x37\x57\xee\x2f\xbd\xbb\xfc\xee\xf2\xea\xc2\xfc\xfc\xc2\xf4" "\xc2\xfc\x9b\x73\x37\xee\xac\xb4\x97\xa7\xbb\x8f\xc3\x8e\x12\x78\x1e\xf6" "\x7f\xe8\x0f\x3b\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x60\x50\x27\xf1" "\xdf\x09\x86\x7d\x8e\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\xc0\xe9\xb6\x38\x95\xe6\x83\x14\x99\x99" "\xbe\x3e\x5d\xf6\x77\xb6\xe7\xda\x65\xe9\xb5\xf7\xb7\x6c\x26\x69\x24\x29" "\x7e\x9e\x14\x9f\x26\x37\xd3\x2d\x99\xe8\x9b\xae\x78\xdc\x71\x3e\x5e\x59" "\x78\xe7\xb3\x2f\x76\x3e\xdf\x9f\xab\xd9\xdb\xbe\x71\xd4\x7e\x83\xd9\xaa" "\x4b\x26\x93\x8c\xd5\xf5\xb3\x9a\xef\xd6\x53\xcf\x57\xec\x9d\x61\x99\xb0" "\x6b\xbd\xc4\xc1\xb0\xfd\x37\x00\x00\xff\xff\x3c\x6a\x1c\xb0", 1545); syz_mount_image(/*fs=*/0x200000c0, /*dir=*/0x20000640, /*flags=*/0x50, /*opts=*/0x200003c0, /*chdir=*/0x22, /*size=*/0x609, /*img=*/0x20000680); memcpy((void*)0x20000040, "./bus\000", 6); res = syscall(__NR_open, /*file=*/0x20000040ul, /*flags=*/0x147042ul, /*mode=*/0ul); if (res != -1) r[0] = res; syscall(__NR_ftruncate, /*fd=*/r[0], /*len=*/0x2007ffful); memcpy((void*)0x20000000, "./file1\000", 8); res = syscall(__NR_open, /*file=*/0x20000000ul, /*flags=*/0x147042ul, /*mode=*/0ul); if (res != -1) r[1] = res; syscall(__NR_ftruncate, /*fd=*/r[1], /*len=*/0ul); return 0; }