// https://syzkaller.appspot.com/bug?id=9f9d12dd9e8f38217c90446b312f513a6de071ee // 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; } 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); memcpy((void*)0x20000000, "hfsplus\000", 8); memcpy((void*)0x20001540, "./" "file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000", 251); memcpy( (void*)0x20001000, "\x66\x6f\x72\x63\x65\x00\x00\x69\x61\xe3\x8c\x80\x00\x00\x00\x00\x00\x00" "\x00\x30\x30\x30\x30\x30\x30\x07\x3f\x41\x10\x1b\xb0\x30\x31\x39\x2c\x63" "\x72\x65\x61\x36\xd9\xbb\x3d\x25\xf4\xea\x83\x66\xa8\x71\x6c\xc2\x4c\xf9" "\x13\x02\x00\x6f\x72\x71\x24\x02\xbd\xc8\x02\x3a\x1c\xeb\x6c\xff\x75\x72" "\x4a\xcd\xc6\xbf\x74\x17\x01\x00\x53\x45\xd3\x03\x00\x7f\xb7\x82\x97\x50" "\x7f\x05\x54\xd6\x18\x50\xe2\x17\x40\x23\x24\xe1\x1e\xca\xf1\xee\x34\x06" "\x44\x60\x8b\xa8\x72\x92\xd3\xe1\x82\x1a\x70\x4e\x46\x58\x4f\xb9\x46\xcf" "\x3b\x27\x7b\x74\xf3\xd9\x4d\x7f\x3f\x3b\x27\xb1\xb9\x57\xc9\x28\xa6\x3d" "\x77\x86\xe2\x3b\x2d\xcf\x98\xf4\xbb\xb4\x90\x3a\x06\xab\x8c\x62\x7b\x7b" "\xf4\xb1\xce\x08\xac\x07\xbc\x4a\xb9\x32\x95\xbe\x12\xb8\x2c\x45\x8f\x84" "\xc3\xae\x25\xbc\xf2\xd8\x53\xe9\x8b\x87\x3f\xd8\xae\xba\xbb\x35\x96\x57" "\x99\x7a\x19\x39\x66\x7f\x5d\x6b\xeb\x1a\xca\x91\xb0\xae\xb7\x9f\x37\xab" "\x02\x81\x0b\xde\x52\xe8\xc3\xd1\xe3\xa0\x66\xb8\xf2\x50\x09\xb6\x91\xec" "\xa2\x0d\xa6\xe0\x03\x90\x10\xc8\x37\x91\xd1\xd7\x84\x7f\x51\x16\xb5\x44" "\xb9\xf3\x72\x66\x39\x13\xff\xa7\x89\xb2\x10\x26\x0b\xe4\x78\x0c\x06\x1f" "\xdf\xed\x19\x1d\xf0\x7d\x52\xd6\x8d\xb9\x29\x63\xef\x8f\xbe\x85\x11\xae" "\x0c\xe4\xab\xce\xb6\x51\x6b\x98\x73\x78\x78\x83\xad\x79\x74\x47\x00\xe9" "\xeb\xbe\x4a\x0f\x56\x46\x75\xca\x9e\x56\xf4\xcc\xcc\x8d\xe7\x8f\x7c\xa8" "\x03\xd7\xc0\xf2\x66\xc3\xb5\xcb\x9b\x12\x0d\xd6\xe9\x26\xc5\xb8\x88\x08" "\xcc\x43\x53\x31\xa9\xa7\x5b\xb9\xf9\xca\x0f\x4d\x00\x56\xa1\x14\xda\xeb" "\x4c\x5e\x31\x71\xde\x79\xf9\x04\xf8\x5d\x1f\x7d\x0e\x91\x27\xd8\xfd\xd8" "\x30\x51\xdb\xb6\xfc\xb2\x5b\x8d\x09\x96\x72\x93\x85\x5e\x13\xc0\xd4\xbb" "\x8e\xec\x9b\x04\x8e\x3e\x72\x94\x21\xf5\xd7\xac\x24\x2e\xf8\x1b\x53\x75" "\xdb\xe9\x0e\xed\x05\xb5\xb6\x0c\xb8\xc9\xf1\x58\xf1\x8d\xed\xe7\x22\x46" "\x55\xe9\x01\x0c\x60\x31\x5b\x96\x45\xa7\x87\x67\xa5\xca\x8e\xbf\x40\x00" "\x00\x00\x00\x00\x00\x00\x0a\xe8\xd5\x97\xe9\x5a\x5e\x62\x89\x7e\x9a\x38" "\x9d\x91\x43\xe6\xeb\x06\x9e\x03\x7c\x29\xb9\x75\x68\xc5\x90\xc6\x8b\x2d" "\x65\x13\xbc\xd7\xfe\x78\x80\xf6\x67\x54\x64\xcb\xaa\x3b\x7d\x66\x0c\xe2" "\x00\x00\x00\x00\x11\x12\x8b\x18\xdb\xa2\x8d\x01\x86\x14\x83\x48\xc6\x72" "\xb6\xfa\x8a\x57\x92\x21\xc6\x77\x6c\xc0\x15\xb2\x6e\x66\xf6\x15\x51\x06" "\x9b\x4b\x16\xdf\xdc\x1f\x6e\x72\x5b\xb4\x5a\xa9\x87\x2c\xf6\xde\x46\x8d" "\xf0\x03\x75\xc8\x5a\xb6\xd9\x2e\x67\xb0\xa2\xd2\x87\x78\x17\x95\x18\xc6" "\xf1\xec\x9a\x1f\xbb\xa7\xb1\x1c\xbe\x38\x58\x59\xd4\x7f\x92\x1e\x42\xbb" "\x9e\xc6\x5c\xdb\x36\xd9\x82\x9c\x00\x31\xa1\x50\xc0\xf0\x5d\x0a\xa8\x29" "\xaf\x50\x32\xe0\x0b\x76\xa2\x2e\x38\x5e\x5f\x99\x12\xfa\x11\x39\x4a\x7d" "\x34\x01\x00\x00\x00\x00\xd4\x03\x28\x43\x33\x06\x7b\x81\xae\x9c\x93\xcf" "\x2f\x99\x22\x09\x56\x5d\x76\xaa\xa1\x44\x7c\x34\x3e\x11\x38\x7d\x69\x19" "\x03\xf3\x41\x0a\x3c\x31\xe4\xf1\x3f\xca\xf3\xf0\xb9\x57\xf8\xd7\x2b\xea" "\x2c\xb3\x8a\x98\x6e\x3d\x47\xd5\x00\x51\x80\x76\x2e\x4f\xf3\xe7\x3f\x25" "\x5e\x9b\xac\xa5\xf6\xb7\x6b\x38\xc6\xc8\xe1\xf1\xde\xaa\x0e\x5a\xfc\x20" "\x1d\x59\x6f\x66\xf4\xb2\x38\xc7\x9f\x57\xb6\xe3\xb7\xd1\x63\x41\x1c\x5e" "\x5d\xb8\x15\xaa\xe6\xf3\x77\xbe\x1f\xd0\xb8\x65\x48\xa8\x38\x36\x3b\x56" "\x1c\x08\xe1\xb0\x83\x98\x26\x6c\x8a\x23\x05\x56\x69\xf3\xc4\x07\x5c\x87" "\xe9\xd3\xf9\xfa\xb6\xbf\xbd\x59\xb1\x2a\x2e\x0c\x0d\xe4\x4b\x19\xc1\x0e" "\xeb\x9d\x96\x0e\xa1\x4e\x4d\x28\x5c\x61\x0f\xdb\x6c\x58\x98\xc0\x7d\x43" "\xfe\x27\xaf\xbe\x7b\x2f\x7d\xb4\x8b\xda\xf2\x0c\xeb\xcc\x4b\x3e\xd5\x6b" "\x50\x6c\xcb\xd4\xf9\x7d\xb3\xb4\x7d\xf9\x4f\x1f\x45\x26\x9f\x13\x6e\xf2" "\x21\x01\x80\x00\x00\x00\x00\x00\x00\x04\x7e\x46\x3a\x0e\x50\x70\x4f\x27" "\xa7\xe1\x60\x77\xf1\x80\x9b\x4d\x9d\x5c\xac\x14\xbf\x0b\x80\xe6\x80\x65" "\x14\x05\xb6\x18\x91\x3d\x79\x88\x9f\x42\x7f\x86\x7c\x9b\x13\x78\x7a" "\xed", 900); memcpy( (void*)0x20000700, "\x78\x9c\xec\xdd\xcd\x6b\x1c\xe7\x1d\x07\xf0\xef\xac\x57\xb2\xe5\x82\xa3" "\x24\x76\x63\x4a\xa0\x22\x86\xb4\x54\xd4\xd6\x0b\x4a\xab\x5e\xea\x96\x52" "\x74\x08\x25\xa4\x87\x9e\x85\xbd\x8e\x17\xaf\x95\x20\x6d\x8a\x1c\x4a\x51" "\xdf\xaf\x3d\xe4\x0f\x48\x0f\xba\xf5\x54\xe8\xdd\x90\x9e\x9b\x5b\xae\x3a" "\x06\x0a\xbd\xe4\xa4\x9e\x54\x66\x76\x56\x5a\x59\x2f\x91\xdf\xb4\xab\xf8" "\xf3\x31\xcf\x3e\xcf\xb3\xcf\xcc\x33\xbf\xf9\xed\xcc\xec\xce\x0a\xb3\x01" "\x5e\x58\x4b\xd3\x69\x3e\x4c\x91\xa5\xe9\xb7\xd7\xcb\xfe\xd6\xe6\x7c\x67" "\x6b\x73\xfe\x7c\x3d\xdc\x49\x52\xb6\x1b\x49\xb3\x57\xa5\x58\x49\x8a\x4f" "\x93\x9b\xe9\x95\x8c\x0d\x4c\x57\x1c\xb5\x9d\x8f\xdb\x8b\xef\x7e\xfe\xe5" "\xd6\x17\xbd\x5e\xb3\x2e\xd5\xf2\x8d\xfd\x53\x3c\x89\x8d\xba\x64\x2a\xc9" "\xb9\xba\x3e\xe8\xc4\x9b\xd9\x37\xdf\xad\x23\xe7\x3b\xa9\x62\x37\x33\x65" "\xc2\xae\x95\xf5\xc6\x53\x4d\x08\xcf\xc6\xce\x01\x8f\x75\x64\x1e\x79\xbe" "\x03\x67\x47\xd1\x7b\xdf\x3c\x60\x32\xb9\x98\xe4\x42\xfd\x39\x20\xf5\xd5" "\xa1\x71\xba\xd1\x3d\x7b\xde\x7f\x01\x00\x00\x78\x11\xbc\xb4\x9d\xed\xac" "\xe7\xd2\xb0\xe3\x00\x00\x00\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\xb3\xa4\xfe\xfd" "\xff\xa2\x2e\x8d\x7e\x7b\x2a\x45\xff\xf7\xff\xc7\xeb\xe7\x52\xb7\xcf\xb4" "\x87\xc3\x0e\x00\x00\x00\x00\x00\x00\x00\x00\x9e\x81\x6f\x6f\x67\x3b\xeb" "\xb9\xd4\xef\xef\x14\xd5\xdf\xfc\xdf\xa8\x3a\x97\xab\xc7\x6f\xe4\xc3\xac" "\xa5\x95\xd5\x5c\xcf\x7a\x96\xd3\x4d\x37\xab\x99\x4d\x32\x39\x30\xd1\xf8" "\xfa\x72\xb7\xbb\x3a\x7b\x82\x35\xe7\x0e\x5d\x73\xee\x74\xf6\x17\x00\x00" "\x00\x00\x00\x00\x00\xbe\xa6\x7e\x9f\xa5\xbd\xbf\xff\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\xc0\x28\x28\x92\x73\xbd\xaa\x2a\x97\xfb\xed\xc9" "\x34\x9a\x49\x2e\x24\x19\x2f\x97\xdb\x48\x3e\xeb\xb7\xcf\xb2\x87\xc3\x0e" "\x00\x00\x00\x00\x4e\xc1\x4b\xdb\xd9\xce\x7a\x2e\xf5\xfb\x3b\x45\x75\xcf" "\xff\xcd\xea\xbe\xff\x42\x3e\xcc\x4a\xba\x69\xa7\x9b\x4e\x5a\xb9\x5d\x7d" "\x17\xd0\xbb\xeb\x6f\x6c\x6d\xce\x77\xb6\x36\xe7\xef\x97\xe5\xe0\xbc\x3f" "\xf9\xef\x63\x85\x51\xcd\x98\xde\x77\x0f\x87\x6f\xf9\x6a\xb5\xc4\x44\xee" "\xa4\x5d\x3d\x73\x3d\xb7\xf2\x7e\x3a\xb9\x9d\x46\xb5\x66\xe9\x6a\x3f\x9e" "\xc3\xe3\xfa\x5d\x19\x53\xf1\xe3\xda\x09\x23\xbb\x5d\xd7\xe5\x9e\xff\xb5" "\xae\x47\xc3\x64\x95\x91\xb1\xdd\x8c\xcc\xd4\xb1\x95\xd9\x78\xf9\xf8\x4c" "\x3c\xe6\xab\xf3\xe8\x96\x66\xd3\xd8\xfd\xe6\xe7\xf2\x73\xc8\xf9\xc5\xba" "\x2e\xf7\xe7\xcf\x23\x9d\xf3\xb9\xfa\xe8\xfb\xac\x3c\x67\x8e\xcf\x44\xf2" "\x9d\x7f\xfe\xfd\x57\x77\x3b\x2b\xf7\xee\xde\x59\x9b\x1e\x9d\x5d\x7a\x42" "\x8f\x66\x62\x7e\xe0\x3c\x7c\xed\x85\xca\xc4\x4c\x95\x89\x2b\xbb\xfd\xa5" "\xfc\x3c\xbf\xcc\x74\xa6\xf2\x4e\xfe\xb7\xd3\xd3\x4d\x2b\x53\xf9\x59\x96" "\xd3\xcd\x72\x7d\x3c\x97\x8f\x93\xc7\x67\xea\xe6\xbe\xde\x3b\x5f\x15\xc9" "\x78\xfd\xba\xf4\xae\xa2\x47\xc5\xb4\x9a\x76\x7e\x5d\x45\x32\x18\xd3\x1b" "\xd5\xba\x97\xd2\xce\x2f\xf2\x7e\x6e\xa7\x95\xb7\xaa\x7f\x73\x99\xcd\x0f" "\xb2\x90\x85\x2c\x0e\xbc\xc2\x57\x4e\x70\xd6\x37\x1e\xef\xac\xbf\xf6\xdd" "\xba\x31\x91\xe4\x2f\x75\x3d\x1a\xca\xbc\xbe\x3c\x90\xd7\xc1\x6b\xee\x64" "\x35\x36\xf8\xcc\x5e\x96\x5e\x39\x3a\x4b\xc5\x13\x5e\x1b\x9b\xdf\xaa\x1b" "\xe5\x36\xfe\x50\xd7\xa3\xe1\xd1\x4c\xcc\x0e\x64\xe2\xd5\xe3\x8f\x97\xbf" "\xed\x94\x8f\x6b\x9d\x95\x7b\xab\x77\x97\x3f\x38\xe1\xf6\xde\xac\xeb\x32" "\x95\x7f\x1a\xa9\x77\x89\xf2\x78\x79\xa5\x7c\xb1\xaa\xde\xfe\xa3\xa3\x1c" "\x7b\xf5\xd0\xb1\xd9\x6a\xec\xf2\xee\x58\xe3\xc0\xd8\x95\xdd\xb1\xaf\x3a" "\x53\xc7\xeb\xcf\x70\x07\x67\x9a\xab\xc6\x5e\x3b\x74\x6c\xbe\x1a\xbb\x3a" "\x30\x76\xd8\xe7\x2d\x00\x46\xde\xc5\xef\x5d\x1c\x9f\xf8\xcf\xc4\xbf\x27" "\x3e\x99\xf8\xe3\xc4\xdd\x89\xb7\x2f\xfc\xf4\xfc\x0f\xcf\xbf\x3e\x9e\xb1" "\x7f\x8d\xfd\xa8\x39\x73\xee\xcd\xc6\xeb\xc5\x3f\xf2\x49\x7e\xbb\x77\xff" "\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x3c\xb9\xb5\x07\x3b\xf7\x96\x3b\x9d\xd6\xea\xda" "\x83\x8f\x86\xd9\x28\xea\x1f\xf2\x19\x6a\x18\xcd\x21\x27\x61\xa4\x1a\xf5" "\x01\xb2\x31\x2a\xf1\x68\x9c\x6e\x63\xc8\x17\x26\xe0\xb9\xbb\xd1\xbd\xff" "\xc1\x8d\xb5\x07\x1f\x7d\xbf\x7d\x7f\xf9\xbd\xd6\x7b\xad\x95\xb1\x85\x85" "\xc5\x99\xc5\x85\xb7\xe6\x6f\xdc\x69\x77\x5a\x33\xbd\xc7\x61\x47\x09\x3c" "\x0f\x7b\x6f\xfa\xc3\x8e\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x38\xa9" "\xd3\xf8\xef\x04\xc3\xde\x47\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\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\x6c\x5b\x9a\x4e\xf3\x61\x8a" "\xcc\xce\x5c\x9f\x29\xfb\x5b\x9b\xf3\x9d\xb2\xf4\xdb\x7b\x4b\x36\x93\x34" "\x92\x14\xbf\x49\x8a\x4f\x93\x9b\xe9\x95\x4c\x0e\x4c\x57\x1c\xb5\x9d\x8f" "\xdb\x8b\xef\x7e\xfe\xe5\xd6\x17\x7b\x73\x35\xfb\xcb\x37\x8e\x5b\xef\x50" "\x63\x8f\x3e\xb1\x51\x97\x4c\x25\x39\x57\xd7\x4f\x61\xdf\x7c\xb7\x9e\x7a" "\xbe\x62\x77\x0f\xcb\x84\x5d\xeb\x27\x0e\x86\xed\xff\x01\x00\x00\xff\xff" "\x16\x46\x0e\x9a", 1534); syz_mount_image(/*fs=*/0x20000000, /*dir=*/0x20001540, /*flags=*/0, /*opts=*/0x20001000, /*chdir=*/1, /*size=*/0x5fe, /*img=*/0x20000700); memcpy((void*)0x20000080, "./" "file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000", 251); syscall(__NR_mknodat, /*dirfd=*/0xffffff9c, /*file=*/0x20000080ul, /*mode=*/0ul, /*dev=*/0x103); memcpy((void*)0x20000180, "./" "file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000", 251); syscall(__NR_open, /*file=*/0x20000180ul, /*flags=*/0ul, /*mode=*/0ul); memcpy((void*)0x20000280, "./" "file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000", 251); syscall(__NR_unlink, /*path=*/0x20000280ul); memcpy((void*)0x20000200, "./file1\000", 8); syscall(__NR_creat, /*file=*/0x20000200ul, /*mode=*/0ul); return 0; }