// 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, 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*)0x20000000, "hfsplus\000", 8); memcpy((void*)0x20000200, "./bus\000", 6); *(uint8_t*)0x20000040 = 0; memcpy( (void*)0x20000cc0, "\x78\x9c\xec\xdd\x4f\x6c\x1c\x57\x1d\x07\xf0\xef\xae\x1d\xc7\x1b\x4a\xea" "\xa6\x49\x9b\xa2\x4a\xb5\x1a\x09\x10\x16\x89\x1d\xcb\x05\x73\x21\x20\x84" "\x7c\xa8\x50\x55\x0e\x9c\xad\xc4\x69\xac\x6c\xd2\x62\xbb\xc8\x89\x10\x31" "\xff\xaf\x3d\x54\xe2\x5a\x0e\xbe\x71\x42\xe2\x1e\xa9\x5c\xb8\xc0\xad\x57" "\x1f\x2b\x21\x71\xe9\x05\x73\x5a\x34\xb3\xb3\xf6\xda\x5e\xbb\x76\x12\x7b" "\xd7\xed\xe7\x13\x8d\xdf\x9b\x79\x33\x6f\x7e\xef\x37\xff\xf6\x8f\xa2\x0d" "\xf0\xa5\x35\x37\x91\xe1\xc7\xa9\x65\x6e\xe2\xcd\xd5\x62\x7e\x63\x7d\xba" "\xb9\xb1\x3e\x7d\xaf\x53\x4f\x72\x36\x49\x3d\x19\x6e\x17\xa9\xfd\xb7\xd5" "\x6a\x7d\x9c\xdc\x48\x7b\xca\x2b\xc5\xc2\xaa\xbb\xda\x7e\xfb\xf9\x70\x71" "\xf6\xed\x4f\x3e\xdb\xf8\xb4\x3d\x37\x5c\x4d\xe5\xfa\xf5\x83\xb6\x3b\x9c" "\xb5\x6a\xca\x78\x92\xa1\xaa\x7c\x56\xfd\xdd\x7c\xea\xfe\x6a\x5b\x23\x2c" "\x12\x76\xa5\x93\x38\xe8\xb7\x33\x49\x5a\x3b\xfc\xfc\x1f\xcf\x6d\xb5\x74" "\x69\xf4\xd8\x30\xa3\x27\x16\x27\x70\x7c\x6a\xe5\x73\x73\x68\xcf\xf2\xb1" "\xe4\x5c\x75\xa1\x17\xaf\x03\xda\x4f\xc5\xf6\x33\xfb\x54\x5b\xeb\x77\x00" "\x00\x00\x00\x70\x02\x9e\xdf\xcc\x66\x56\x73\xbe\xdf\x71\x00\x00\x00\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\x69\xd2\xfe\xfd\xff\xa2\x28\xa7\x7a\xa7\x3e\x9e" "\x5a\xe7\xf7\xff\x47\xaa\x65\xa9\xea\x83\xe5\xb5\xa3\xad\xfe\xf8\xb8\xe2" "\x00\x00\x00\x00\x00\x00\x00\x80\x13\xf4\xda\x66\x36\xb3\x9a\xf3\x9d\xf9" "\x56\xad\xfc\xce\xff\xf5\x72\xe6\x62\xf9\xf7\x2b\x79\x3f\xcb\x59\xc8\x52" "\xae\x66\x35\xf3\x59\xc9\x4a\x96\x32\x95\x64\xac\xab\xa3\x91\xd5\xf9\x95" "\x95\xa5\xa9\x43\x6c\x79\xbd\xe7\x96\xd7\x3f\x27\xd0\xb3\x55\xd9\x78\x36" "\xe3\x06\x00\x00\x00\x00\x00\x00\x80\x2f\x98\xdf\x64\x6e\xfb\xfb\x7f\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x04\xb5\x64\xa8\x5d\x94\xd3" "\xc5\x4e\x7d\x2c\xf5\xe1\x24\xa3\x49\x46\x8a\xf5\xd6\x92\x7f\x75\xea\xa7" "\xc6\xd9\xbd\x8b\x1e\xf7\x23\x0e\x00\x00\x00\x38\x61\xcf\x6f\x66\x33\xab" "\x39\xdf\x99\x6f\xd5\xca\xf7\xfc\x2f\x95\xef\xfb\x47\xf3\x7e\xee\x67\x25" "\x8b\x59\x49\x33\x0b\xb9\x55\x7e\x16\xd0\x7e\xd7\x5f\xdf\x58\x9f\x6e\x6e" "\xac\x4f\xdf\x2b\xa6\xbd\xfd\xfe\xe0\x3f\x47\x0a\xa3\xec\x31\xed\xcf\x1e" "\x7a\xef\xf9\x72\xb9\x46\x23\xb7\xb3\x58\x2e\xb9\x9a\x9b\x79\x37\xcd\xdc" "\x4a\xbd\xdc\xb2\x70\xb9\x13\x4f\xef\xb8\x7e\x5d\xc4\x54\xfb\x7e\xe5\x90" "\x91\xdd\xaa\xca\x62\xe4\x1f\x54\xe5\x1e\x8f\x8e\x34\xd8\xfd\x1c\xf1\xc3" "\x94\xb1\x32\x23\x67\xb6\x32\x32\x59\xc5\x56\x64\xe3\x85\x83\x33\x71\xc4" "\xa3\xb3\x7b\x4f\x53\xa9\x6f\x05\x7b\x71\xd7\x9e\x76\x0d\xe2\x89\x72\x7e" "\xae\x2a\x8b\xf1\xfc\x61\xbf\x9c\xf7\xc5\xee\x4c\x5c\xef\x3a\xfb\x5e\x3a" "\x38\xe7\xc9\x37\xfe\xf6\x97\x9f\xdd\x69\xde\xbf\x7b\xe7\xf6\xf2\xc4\xe0" "\x0c\xe9\x70\x86\xaa\xb2\xd5\x59\xb0\x3b\x13\xd3\x5d\x99\x78\xf9\x8b\x9c" "\x89\x3d\x26\xcb\x4c\x5c\xda\x9a\x9f\xcb\x8f\xf3\xd3\x4c\x64\x3c\x6f\x65" "\x29\x8b\xf9\x45\xe6\xb3\x92\x85\x8c\xe7\x47\x65\x6d\xbe\x3a\x9f\x6b\x5d" "\x97\xfc\x3e\x99\xba\xb1\x63\xee\xad\xcf\x8b\x64\xa4\x3a\x2e\xed\x83\x75" "\xb4\x98\x5e\x2f\xb7\x3d\x9f\xc5\xfc\x24\xef\xe6\x56\x16\xf2\x46\xf9\xef" "\x7a\xa6\xf2\x9d\xcc\x64\x26\xb3\x5d\x47\xf8\xd2\x21\xee\xb4\xf5\x7d\xae" "\xfa\xd6\x57\x7b\x06\x7f\xe5\x9b\x55\xa5\x91\xe4\x8f\x55\x39\x18\x8a\xbc" "\xbe\xd0\x95\xd7\xee\x7b\xee\x58\xd9\xd6\xbd\x64\x3b\x4b\x17\x76\x64\x69" "\xcf\xa7\xcf\x4f\x72\x6f\x1c\xfe\x5a\x55\x29\xf6\xf1\xdb\xaa\x1c\x0c\xbb" "\x33\x31\xd5\x95\x89\x17\x0f\x3e\x5f\xfe\x5c\xde\x56\x96\x9b\xf7\xef\x2e" "\xdd\x99\x7f\xef\x70\xbb\xbb\xf0\x41\x55\x29\xae\xa3\xdf\x0f\xd4\x53\xa2" "\x38\x5f\x2e\x14\x07\xab\x9c\xdb\x79\x76\x14\x6d\x2f\xf6\x6c\x9b\x2a\xdb" "\x2e\x6e\xb5\xd5\xf7\xb4\x5d\xda\x6a\x6b\x5f\xa9\x6b\xfb\x5e\xa9\x23\xd5" "\x6b\xb8\xf6\xda\x7f\x4a\xba\x9e\x58\x45\xdb\xcb\x3d\xf7\x32\x5d\xb6\x5d" "\xee\x6a\xeb\xf5\x7a\x0b\x80\x81\x77\xee\x5b\xe7\x46\x1a\xff\x6e\xfc\xb3" "\xf1\x51\xe3\x77\x8d\x3b\x8d\x37\x47\x7f\x78\xf6\xbb\x67\x5f\x1d\xc9\x99" "\xbf\x9f\xf9\xde\xf0\xe4\xd0\xd7\xeb\xaf\xd6\xfe\x9a\x8f\xf2\xab\xed\xf7" "\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\xc0\x93\x5b\x7e\xf0\xf0\xee\x7c\xb3\xb9\xb0\xb4" "\xab\xd2\x6a\xb5\x1e\xed\xd3\x74\x9a\x2b\x9d\x9f\x33\x3b\xc1\x9d\xbe\xf2" "\x5c\xf2\x6c\x3a\x7c\x34\x18\x39\x7c\xa2\xca\xff\x5a\xad\x56\xb5\xa4\x36" "\x08\xf1\x1c\x5c\x69\x55\x06\x25\x9e\x7e\x54\xfa\x7c\x63\x02\x8e\xdd\xb5" "\x95\x7b\xef\x5d\x5b\x7e\xf0\xf0\xdb\x8b\xf7\xe6\xdf\x59\x78\x67\xe1\xfe" "\xec\xcc\xcc\xec\xe4\xec\xcc\x1b\xd3\xd7\x6e\x2f\x36\x17\x26\xdb\x7f\xfb" "\x1d\x25\x70\x1c\xb6\x1f\xfa\xfd\x8e\x04\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x38\xac\xe5\x07\x0f\x47\x73\xcc\xff\x9d\xa0\xdf\x63\x04\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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\xb7\xb9\x89\x0c\x3f\x4e\x2d\x53\x93\x57\x27\x8b\xf9\x8d\xf5\xe9\x66" "\x31\x75\xea\xdb\x6b\x0e\x27\xa9\x27\xa9\xfd\x32\xa9\x7d\x9c\xdc\x48\x7b" "\xca\x58\x57\x77\xb5\xfd\xf6\xf3\xe1\xe2\xec\xdb\x9f\x7c\xb6\xf1\xe9\x76" "\x5f\xc3\x9d\xf5\xeb\xbd\xb6\x1b\x3d\xd2\x28\xd6\xaa\x29\xe3\x49\x86\xaa" "\xf2\x29\xec\xe8\xef\xe6\x53\xf7\x57\xdb\x1a\x61\x91\xb0\x2b\x9d\xc4\x41" "\xbf\xfd\x3f\x00\x00\xff\xff\x92\x6b\x11\x2b", 1613); syz_mount_image(/*fs=*/0x20000000, /*dir=*/0x20000200, /*flags=*/0x10410, /*opts=*/0x20000040, /*chdir=*/1, /*size=*/0x64d, /*img=*/0x20000cc0); memcpy((void*)0x20000380, "./bus\000", 6); res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000380ul, /*flags=*/0x141842ul, /*mode=*/0ul); if (res != -1) r[0] = res; memset((void*)0x20004200, 116, 1); syscall(__NR_write, /*fd=*/r[0], /*buf=*/0x20004200ul, /*count=*/0xfffffff0ul); return 0; }