// https://syzkaller.appspot.com/bug?id=ff9fe3de46d66c92f26a627abe9e85d0518c9890 // 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 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[1] = {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*)0x20000600, "hfsplus\000", 8); memcpy((void*)0x20000140, "./bus\000", 6); memcpy( (void*)0x200001c0, "\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" "\x34\x06\x44\x60\x8b\xa8\x72\x92\xd3\xe1\x82\x1a\x70\x4e\x46\x58\x4f\xb9" "\x46\xcf\x3b\x27\x7b\x74\xf2\xc0\x46\x7d\x63\xf3\xd9\x4d\x7b\x3f\x3b\x27" "\xb1\xb9\x53\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\x9d\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\x39\x66\x7f\x5d\x6b\xeb\x1a\xca\x91" "\xb0\xae\xb7\x9f\x37\xab\x02\x05\x0b\xde\x52\xe8\xc3\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\x32\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" "\xff\xff\xff\xff\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\xf8\x1b\x53" "\x75\xdb\xe9\xec\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\xd7" "\xd2\xd4\xe6\xae\x97\x06\xf0\x0a\xe9\xd5\x97\xe9\x5a\x5e\x62\x89\x7e\x9a" "\x38\x9d\x91\x43\xe6\xeb\x06\x9e\x03\x7c\x29\xff\xff\xff\xff\xbc\xd7\xfe" "\x78\x80\xf6\x67\x54\x64\xcb\xaa\x3b\x7d\x50\x0c\xe2\xe9\x76\x85\xd4\x11" "\x12\x8b\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\xd7\x5a\xa9\x87\x2c\xf6" "\xde\x46\x8d\xf0\x03\x75\xc8\x5a\x78\x17\x95\x18\xc6\xf1\xec\x00\x00\xbb" "\xa7\xb1\x1c\xbe\x38\x58\x59\x97\x2f\x41\xba\x4c\x2d\xd6\x30\x3f\xdb\x36" "\xd9\x82\x9c\x00\x08\xba\x31\xa1\x50\xc0\xf0\x5d\x0a\xa8\x3f\xaf\x53\x36" "\xe0\x0b\x76\x9a\x5e\x41\x59\xa2\x2e\x38\x5e\x5f\x99\x12\xfa\x11\x10\xe0" "\x57\xb4\xa9\x61\x98\xbe\x5f\x3e\xd9\x39\x4a\x7d\x34\x01\x00\x00\x00\x00" "\xd4\x23\xd2\x28\x1e\xd5\x2c\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\x72\x5c\x83\x55\xcf\xc4\xaf\x88\xbd\xf7\x0b" "\x2d\x90\xf5\x00\x51\x80\x76\x2e\x4f\xf3\xe7\x3f\x25\x5e\x9b\x2c\xa5\xf6" "\xb7\x6b\x38\x5a\xfc\x20\x1d\x59\x6f\x66\xf4\xb2\x38\xc7\x9f\x77\xb6\xe3" "\xb7\xd1\x1d\x9e\x81\x70\x63\x41\x1c\x5e\x5d\xb8\x15\xaa\xe6\xf3\x77\xbe" "\x1f\x01\x00\x01\x00\xb6\x38\x36\x05\x84\xbf\xc2\xe1\x39\x76\x5c\x52\xbf" "\x05\x90\xb0\x83\x98\x26\x6c\x8a\x41\x05\x56\x69\xf3\xc4\x07\x5c\x87\xe9" "\xd3\xfb\xfa\xb6\xbf\xbd\x59\xb1\x2a\x2e\x0c\x0d\xe4\x4b\x19\xc1\x0e\xeb" "\x9d\x96\x0e\x9f\x4e\x4d\x07\x00\x00\x00\xdb\x6c\x58\x9c\xc0\x7d\x74\xf0" "\x37\xca\x6a\x00\x24\xd4\x40\x3d\x03\x49\xdc\x87\xef\x2f\xc7\x3d\x10\x70" "\xf7\xde\xe3\xf1\x73\xe9\x31\x36\x04\x67\x36\x8a\x43\x56\xa0\x29\xc9\x3d" "\xc4\xff\x72\xde\x5c\x5f\xf1\x27\x95\xca\x39\xb7\x6e\x5a\x27\xd3\xf5\x04" "\x14\xc9\x90\x14\x9b\x7b\x16\x8b\x29\x1d\xbf\xde\x8e\x6f\xec\x83\xc1\xc1" "\xec\x53\x38\xa7\xfd\xe3\xf5\x8c\x8b\x2d\x54\xb4\x2a\x12\x58\xca\x6e\xd9" "\xfd\xd6\x57\x70\x4e\x84\x62\x7d\x61\x04\x97\x64\xa0\xc1\xb2\x58\xe3\xcf" "\x38\xf9\xf3\xe1\xfc\xff\x9b\xf1\x29\x47\xef\xdf\x2b\x94\x3a\x91\x2d\x36" "\x87\x7b\xd6\x7d\x14\x98\x61\x16\x7a\x9a\x1f\xd8\x84\x4f\x74\xfc\x5a\x33" "\xb1\x35\xd5\x62\x0e\x5c\x3f\x29\xa8\x7c\xc4\xc9\x5b\xf9\xad\x71\xf7\xc2" "\x8c\xd9\x68\x7a\x7a\x13\x5e\x0a\x9b\x19\x26\xdc\x8a\x05\x3c\xee\x53\xc6" "\x49\xff\x33\xb1\xff\xff\x4f\x1d\xb7\xf2\xa8\x24\x53\x1f\xea\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 1003); memcpy( (void*)0x20000c40, "\x78\x9c\xec\xdd\xcd\x6b\x1c\xe7\x1d\x07\xf0\xef\xac\x56\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\x2d\xc7\xc2\x6b\x25\x48\x9b\xa2\x84\x52\xdc" "\xf7\x6b\x0f\xf9\x03\xd2\x83\x6e\x3d\x15\x7a\x37\xa4\xe7\xe6\x96\xab\x8e" "\x81\x42\x2f\x3e\xe9\xe6\x32\xb3\xb3\xab\x95\xf5\xe2\x95\x5f\xb4\xab\xfa" "\xf3\x31\xcf\x3c\xcf\x33\xcf\xcc\x33\xcf\xfc\xe6\x6d\x47\x8b\xd9\x00\x2f" "\xad\xe5\x99\x34\x1f\xa4\xc8\xf2\xcc\xbb\x5b\x65\x7d\x67\x7b\xa1\xb5\xb3" "\xbd\x70\xae\x6e\x6e\x25\x29\xcb\x8d\xa4\xd9\xc9\x52\xac\x27\xc5\x17\xc9" "\x8d\x74\x52\xc6\xfb\xba\x2b\x8e\xda\xce\x67\x6b\x4b\xef\x7f\xf5\x70\xe7" "\xeb\x4e\xad\x59\xa7\x6a\xf9\xc6\xfe\x2e\x9e\xc6\xfd\x3a\x65\x3a\xc9\x58" "\x9d\x1f\x34\xf0\x66\xf6\xf5\x77\xf3\xc8\xfe\x06\x55\xf4\x22\x53\x06\xec" "\x6a\x99\xdf\x7f\xa6\x0e\xe1\xf9\x78\x74\xc0\x89\xce\xcc\x23\xaf\x77\xe0" "\xec\x28\x3a\xcf\xcd\x03\xa6\x92\x0b\x49\xce\xd7\x9f\x03\x52\xdf\x1d\x1a" "\xa7\x3b\xba\xe7\xcf\xf3\x17\x00\x00\x80\x97\xc1\x2b\xbb\xd9\xcd\x56\x2e" "\x0e\x7b\x1c\x00\x00\x00\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\x96\xd4\xbf\xff\x5f" "\xd4\xa9\xd1\x2d\x4f\xa7\xe8\xfe\xfe\xff\x44\x3d\x2f\x75\xf9\x4c\x7b\x30" "\xec\x01\x00\x00\x00\x00\x00\x00\x00\xc0\x73\xf0\xed\xdd\xec\x66\x2b\x17" "\xbb\xf5\x47\x45\xf5\x9d\xff\x5b\x55\xe5\x52\x35\xfd\x46\x3e\xce\x66\x56" "\xb3\x91\x6b\xd9\xca\x4a\xda\x69\x67\x23\x73\x49\xa6\xfa\x3a\x9a\xd8\x5a" "\x69\xb7\x37\xe6\x06\x58\x73\xfe\xd0\x35\xe7\x4f\x67\x7f\x01\x00\x00\x00" "\x00\x00\x00\xe0\xff\xd4\xef\xb3\xbc\xf7\xfd\x3f\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x8c\x82\x22\x19\xeb\x64\x55\xba\xd4\x2d\x4f\xa5\xd1" "\x4c\x72\x3e\xc9\x44\xb9\xdc\xfd\xe4\xcb\x6e\xf9\x2c\x7b\x30\xec\x01\x00" "\x00\x00\xc0\x29\x78\x65\x37\xbb\xd9\xca\xc5\x6e\xfd\x51\x51\xbd\xf3\x7f" "\xb3\x7a\xef\x3f\x9f\x8f\xb3\x9e\x76\xd6\xd2\x4e\x2b\xab\xb9\x55\xfd\x2d" "\xa0\xf3\xd6\xdf\xd8\xd9\x5e\x68\xed\x6c\x2f\xdc\x2b\xd3\xc1\x7e\x7f\xf2" "\xdf\xfe\x5a\xe3\x49\xc3\x98\xa8\x17\x1a\xab\x6a\x87\x6d\xf9\x4a\xb5\xc4" "\x64\x6e\x67\xad\x9a\x73\x2d\x37\xf3\x61\x5a\xb9\x95\x46\xaf\xfb\x2b\xdd" "\xf1\x1c\x3e\xae\xdf\x95\x63\x2a\x7e\x5c\x1b\x30\x40\xb7\xea\xbc\xdc\xf3" "\xbf\xd6\xf9\x68\x98\xaa\x22\x32\xde\x8b\xc8\x6c\x3d\xb6\x32\x1a\xaf\x1e" "\x1f\x89\xfd\x47\xe7\xc4\x5b\x9a\x4b\xa3\xf7\x97\x9f\x4b\x2f\x20\xe6\x17" "\xea\xbc\xdc\x9f\x3f\x8f\x74\xcc\xe7\xeb\xb3\xef\xcb\xf2\x9a\x39\x3e\x12" "\xc9\x77\xfe\xf9\xf7\x5f\xdd\x69\xad\xdf\xbd\x73\x7b\x73\x66\x74\x76\xe9" "\x29\x3d\x1e\x89\x85\xbe\xeb\xf0\x8d\x13\x44\xa2\x79\xe6\x23\x31\x5b\x45" "\xe2\x72\xaf\xbe\x9c\x9f\xe7\x97\x99\xc9\x74\xde\xcb\x46\xd6\xf2\xeb\xac" "\xa4\x9d\xd5\x4c\xe7\x67\x55\x69\xa5\x3e\x9f\xcb\xe9\xd4\xf1\x91\xba\xb1" "\xaf\xf6\xde\x93\x46\x32\x51\x1f\x97\xce\x5d\xf4\x64\x63\x7a\xab\x5a\xf7" "\x62\xd6\xf2\x8b\x7c\x98\x5b\x59\xcd\x3b\xd5\xbf\xf9\xcc\xe5\x07\x59\xcc" "\x62\x96\xfa\x8e\xf0\xe5\x01\xae\xfa\xc6\xc9\xae\xfa\xab\xdf\xad\x0b\x93" "\x49\xfe\x52\xe7\xa3\xa1\x8c\xeb\xab\x7d\x71\xed\xbf\xe7\x4e\x55\x6d\xfd" "\x73\xf6\xa2\xf4\xda\xd1\x51\x2a\x9e\xf2\xde\xd8\xfc\x56\x5d\x28\xb7\xf1" "\x87\x41\x1e\xad\xa7\xe6\xf1\x48\xcc\xf5\x45\xe2\xf5\xe3\xcf\x97\xbf\x3d" "\x2a\xa7\x9b\xad\xf5\xbb\x1b\x77\x56\x3e\x1a\x70\x7b\x6f\xd7\x79\x19\xca" "\x3f\x8d\xd4\x53\xa2\x3c\x5f\x5e\x2b\x0f\x56\x55\xdb\x7f\x76\x94\x6d\xaf" "\x1f\xda\x36\x57\xb5\x5d\xea\xb5\x35\x0e\xb4\x5d\xee\xb5\x3d\xe9\x4a\x9d" "\xa8\x3f\xc3\x1d\xec\x69\xbe\x6a\x7b\xe3\xd0\xb6\x85\xaa\xed\x4a\x5f\xdb" "\x61\x9f\xb7\x00\x18\x79\x17\xbe\x77\x61\x62\xf2\x3f\x93\xff\x9e\xfc\x7c" "\xf2\x8f\x93\x77\x26\xdf\x3d\xff\xd3\x73\x3f\x3c\xf7\xe6\x44\xc6\xff\x35" "\xfe\xa3\xe6\xec\xd8\xdb\x8d\x37\x8b\x7f\xe4\xf3\xfc\x76\xef\xfd\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\x7a\x9b\x9f\x7c\x7a\x77\xa5\xd5\x5a\xdd\x18\x72\xa1" "\xa8\x7f\xc8\x67\x54\xc6\xa3\xa0\xf0\x72\x17\x86\x7d\x67\x02\x5e\xb4\xeb" "\xed\x7b\x1f\x5d\xdf\xfc\xe4\xd3\xef\xaf\xdd\x5b\xf9\x60\xf5\x83\xd5\xf5" "\xf1\xc5\xc5\xa5\xd9\xa5\xc5\x77\x16\xae\xdf\x5e\x6b\xad\xce\x76\xa6\xc3" "\x1e\x25\xf0\x22\xec\x3d\xf4\x87\x3d\x12\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x60\x50\xa7\xf1\xdf\x09\x86\xbd\x8f\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\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\xd9\xb6\x3c\x93" "\xe6\x83\x14\x99\x9b\xbd\x36\x5b\xd6\x77\xb6\x17\x5a\x65\xea\x96\xf7\x96" "\x6c\x26\x69\x24\x29\x7e\x93\x14\x5f\x24\x37\xd2\x49\x99\xea\xeb\xae\x38" "\x6a\x3b\x9f\xad\x2d\xbd\xff\xd5\xc3\x9d\xaf\xf7\xfa\x6a\x76\x97\x6f\x1c" "\xb7\xde\xa1\xc6\x1f\x9f\x71\xbf\x4e\x99\x4e\x32\x56\xe7\xcf\x60\x5f\x7f" "\x37\x9f\xb9\xbf\xa2\xb7\x87\x65\xc0\xae\x76\x03\x07\xc3\xf6\xbf\x00\x00" "\x00\xff\xff\x49\x55\x0b\x13", 1519); syz_mount_image(/*fs=*/0x20000600, /*dir=*/0x20000140, /*flags=*/0x2a00010, /*opts=*/0x200001c0, /*chdir=*/3, /*size=*/0x5ef, /*img=*/0x20000c40); memcpy((void*)0x20000180, "./bus\000", 6); syscall(__NR_creat, /*file=*/0x20000180ul, /*mode=*/0ul); memcpy((void*)0x20000380, "./file0\000", 8); res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x20000380ul, /*flags=*/0ul, /*mode=*/0ul); if (res != -1) r[0] = res; memcpy((void*)0x20000180, "./file0\000", 8); syscall(__NR_unlinkat, /*fd=*/r[0], /*path=*/0x20000180ul, /*flags=*/0ul); memcpy((void*)0x20000e00, "./" "file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000", 252); syscall(__NR_creat, /*file=*/0x20000e00ul, /*mode=*/0ul); memcpy((void*)0x20000b00, "./bus\000", 6); memcpy((void*)0x20000300, "./" "file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000", 252); syscall(__NR_rename, /*old=*/0x20000b00ul, /*new=*/0x20000300ul); return 0; }