// https://syzkaller.appspot.com/bug?id=8a1a4ebf1ea96d4347003c14190190ea9fde4991 // 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 279 #endif #ifndef __NR_mmap #define __NR_mmap 222 #endif #ifndef __NR_openat #define __NR_openat 56 #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, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); memcpy((void*)0x200000c0, "hfs\000", 4); memcpy((void*)0x20000100, "./bus\000", 6); *(uint64_t*)0x20000640 = 0; sprintf((char*)0x20000648, "0x%016llx", (long long)-1); *(uint32_t*)0x2000065a = -1; memcpy( (void*)0x2000065e, "\xa2\x4e\xd3\x17\xcb\x4e\x0a\xd8\x44\x54\x2b\x7e\x77\xc8\xd2\x6d\x39\x38" "\x0e\x1e\x59\xe6\x93\x54\xae\x34\xcb\x24\xb8\xd4\xcb\x6e\xf4\xbb\xa4\x1c" "\xb1\x39\xa6\x72\x93\x4c\x16\x4b\x8a\x72\xf1\xc0\xc5\x59\x2a\x76\xd7\x8c" "\x96\x55\xaa\xa2\x56\xcd\xd0\xf4\x9e\x4d\x7d\x9b\x0c\x7d\xc9\x8f\x15\x6f" "\x96\xf0\xfb\x7f\x53\x89\xec\x78\x58\x01\xbc\x23\x20\xc6\xa6\x2c\x24\x82" "\x78\xe1\xaa\x06\x5a\x90\x5c\x2c\x19\x67\x97\xdf\x61\xd2\x50\x2c\x2d\x34" "\xa7\xbb\x1c\x00\x3b\xe2\x93\x83\xaa\x04\x3a\xd2\xc2\x7c\x38\x5a\x78\xfe" "\x0b\x62\x79\x2f\x72\xa4\xc1\x3e\x7b\xbd\x94\x05\xb2\xb9\xf0\x19\xa2\x87" "\x1a\x45\x43\x92\x39\xfa\x99\x93\x6a\x8c\x09\x73\x52\xd9\x6d\xe2\x88\xe1" "\x56\xae\x16\xba\xde\x83\xbd\x9d\xa8\xd2\x4c\x2f\x4a\xcb\xbc\x60\x11\xf4" "\xde\x81\x96\x29\xd7\x27\x49\x69\xb4\xae\x2e\xf8\xc6\x2f\x47\x51\xbe\x89" "\x4c\x83\x65\xc2\x36\xd7\x84\x9e\x00\x10\xcc\xcb\x86\xfe\x81\xbb\x12\x1b" "\xb4\x85\x81\xe9\x95\x6b\x0d\x21\xe5\x00\x5c\xc2\x0f\x43\x1a\xd3\x42\x4b" "\x1d\xfa\xfb\xdd\x25\x93\x39\xd4\x75\xc4\x21\xde\xa7\xb7\x48\xaf\xf3\x95" "\xd1\x71\xac\x01\x01\x93\x76\xc0\xab\x53\x3a\xed\xa5\x89\x51\x0c\xe6\x46" "\x46\x94\x14\x69\x8f\xcb\x6f\xa0\x38\xb3\xf6\xc7\x25\x00\xdd\x7d\x48\x63" "\x77\xcc\xe2\x22\x17\x66\x5b\x7e\x06\x5a\xff\x16\xaf\x36\x7d\x2e\xbf\x80" "\xf7\x2c\x7a\x94\xcb\xfb\x29\xc1\x33\xe5\xa2\xb5\xac\xca\xed\x04\xde\xce" "\xd8\xce\x5e\x78\x98\x07\xb8\x57\x03\x4d\xe9\xb1\xbf\x29\xc3\x06\x8f\x1e" "\x09\x89\x83\xa7\x81\x2d", 348); sprintf((char*)0x200007ba, "%023llo", (long long)-1); sprintf((char*)0x200007d1, "0x%016llx", (long long)-1); sprintf((char*)0x200007e3, "%023llo", (long long)-1); sprintf((char*)0x200007fa, "%023llo", (long long)-1); memcpy( (void*)0x20000811, "\xb5\x48\x6c\xd9\x08\xd9\x47\xa6\xa9\xe5\x39\xac\xf6\xc5\x3a\x49\xe4\xd1" "\xe1\x34\x87\xd1\x08\x61\x13\x33\x40\xd3\xf2\xb2\x8f\x8d\x7b\x7a\x3e\x55" "\xf1\xd5\x78\x0f\x06\xd2\xa1\xa1\x44\xbf\x68\xbf\xa1\x56\xc3\xad\xac\x7a" "\x2f\x6a\x8e\xb3\x77\x00\xe6\x0c\xdd\xca\x0b\xc3\x6e\x08\x97\x1c\x11\x9c" "\xe0\x8d\x8b\x78\xaa\x29\x58\xdf\x16\xec\x04\x9b\xb7\x19\xfb\x02\xb0\xcf" "\xef\x09\x98\x24\x14\xaa\xe0\xae\x91\xab\xcd\x80\x87\x0e\x51\x8f\xff\xc0" "\xf3\x53\xc6\x9b\x67\x67\x1e\x2c\x7b\x2a\xf2\x31\x4c\x32\x21\x13\xa8\x43" "\x28\x94\xc8\xba\xce\x66\x66\x07\x8a\xe1\x66\xf5\xfd\xee\xda\x09\x06\x22" "\x83\x0a\xa2\xf6\x2e\xfe\x40\x5f\xdc\xe2\x53\x13\x00\x9e\x15\x1a\x25\x17" "\xa1\xd5\x37\x68\x96\x97\x53\xfc\x3e\x23\x6c\x49\x31\x49\xcf\x0c\x92\x0b" "\x71\xec\xbd\xb3\x40\x4e\xb5\xd4\xbe\xc7\x45\x2f\x15\x5a\x23\xdf\xbc\x20" "\x8c\xbd\x14\x2e\xef\x1f\xb5\x42\x45\x3b\xe7\xe6\x7f\x17\xa0\xcc\xb2\x18" "\xca\x68\xe8\x98\xed\xed\x7a\x4d\xdd\x78\xf0\xba\x73\xc3\xc9\xec\x11\x39" "\x93\x3a\x28\x7f\x01\x27\x8d\x2a\x76\x48\xd3\x46\x83\x5b\x6f\xb4\xec\xd4" "\x0c\xf7\x80\x8a\xfc\x0d\xc7\x61\xbb\x43\x19\x03\x71\x0b\x2d\xc9\x70\x7a" "\xde\xc9\x12\x1e\x4e\xaf\x9d\x8a\x6f\x41\x40\x45\x09\xb1\x10\xe9\x4a\x6d" "\xe9\x7d\xb5\xc7\x26\xcf\x62\xb3\x79\xc8\xb2\xa6\x2c\x81\x58\xca\xc2\x16" "\xbe\xc8\xe1\x9b\x47\xb5\x96\x67\xbd\x90\x4f\xdc\x95\x4a\xdb\xa8\x5c\x64" "\x26\xe4\x1a\x79\xa0\xce\x63\x6c\xb8\x3b\xa6\x09\x6d\x49\xea\xb4\x6a\x4e" "\xf4\x04\xb3\xf1\x1c\x2b\x35\xd3\x56\xf5\xf1\xf2\x50\x56\x7a\xab\x8b\x05" "\xfd\x30\x19\x59\xba\x42\x1e\xf1\x2e\xe1\x94\x85\x93\x14\x4c\x2f\x09\x3d" "\x86\x41\x66\x34\x8d\x25\x35\x22\x7b\xb0\xfe\xdf\xa6\xd3\x77\x39\x1f\x2f" "\xf8\x62\x2d\x9b\x81\xf0\xbc\x2b\x34\xac\x8d\x79\x0f\xd8\x71\x86\x7d\x33" "\x70\x63\xa4\x16\x60\x4f\x38\x65\x90\x10\xa1\x98\x2e\xef\x99\x30\x84\xb4" "\xa7\x59\xaf\x60\x9d\xba\xec\x25\xa1\x20\x21\x61\x28\x9d\x0b\x98\xc5\x65" "\x52\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 466); sprintf((char*)0x200009e3, "0x%016llx", (long long)-1); memcpy( (void*)0x200003c0, "\x78\x9c\xec\xdd\xc1\x6a\x13\x41\x1c\xc7\xf1\xdf\x6c\x62\x9b\x6a\xa9\xab" "\xad\x08\xe2\xa9\x5a\xf0\x24\x6d\xbd\x88\x17\x45\xf2\x10\x9e\x44\x6d\x22" "\x94\x86\x0a\xb6\x82\xed\xc5\xe8\x59\x7c\x00\xef\xbe\x82\x0f\xe1\x49\x7c" "\x81\x7a\xf2\xe4\x03\xe4\xb6\x32\xb3\x93\x64\x93\xee\x66\x43\x48\x33\x6d" "\xfc\x7e\x20\x61\x4d\xe6\x3f\xf3\x1f\x67\x37\x3b\xff\x40\x89\x00\xfc\xb7" "\x9e\xd6\x4f\xbe\x3d\xf8\x63\x1f\x46\xaa\xa8\x22\xe9\x91\x14\x49\xaa\x49" "\x55\x49\x37\x74\xb3\xf6\x6e\xff\x70\xf7\xb0\xd5\x6c\x8c\xea\xa8\xe2\x22" "\xec\xc3\x28\x8d\x34\xa7\xda\xec\xec\x37\xf3\x42\x6d\x9c\x8b\xb0\x9e\x48" "\xb1\xfd\x57\x55\xcb\xbd\xd7\x70\x66\x6a\x49\x92\xfc\x0e\x9d\x04\x82\x73" "\x57\x7f\x4f\x92\xfa\xe0\x3e\x09\x16\xfd\xd5\xe9\xde\xaf\x05\xcc\x71\x9a" "\xda\xa1\x13\x08\xcc\x74\xd4\xd1\x7b\xad\x84\xce\x03\x00\x10\x96\xbf\xff" "\x47\xfe\x3e\xbf\xec\xf7\xef\x51\x24\x6d\xf8\xdb\xfe\x5c\xdd\xff\x3b\xa1" "\x13\x08\x2c\x73\xff\xaf\x4a\x27\x4a\x8c\x5d\xdf\xab\xee\xad\x7e\xbd\xe7" "\x4a\x38\xbb\xf7\x8b\xba\x55\xe2\x24\x63\x2d\x28\x3d\xb3\x2a\x03\x09\x94" "\x55\x95\x2e\x97\x68\xe9\xf5\x6e\xab\x79\x7f\xe7\x4d\xab\x11\xe9\x93\x1e" "\x7b\x99\x66\x6b\xee\xb9\x91\x9e\xba\x5d\xd9\x6c\x3f\x9e\xee\x7a\x3d\xa7" "\x36\x1d\x61\xf2\xb9\x5f\x71\x73\xb8\x64\xe7\xb0\x5d\x90\xff\xea\x74\x47" "\x2c\x67\x7e\x98\x9f\xe6\xb9\x89\xf5\x55\x8d\xde\xfe\xaf\x9a\x18\xbb\x4c" "\x6e\xa5\xe2\xa1\x95\x4a\xf3\xdf\x2c\xee\xd1\xcd\x32\x4e\x5b\x15\xcc\xf2" "\x9a\x1b\xe4\x96\x1f\xc1\x2b\x99\x65\x6d\x30\x8d\xac\x05\xdf\xe7\xc0\x17" "\x04\x71\x59\x9e\x2e\xea\xfa\x50\x54\x3a\xbb\xad\x92\xa8\xd5\xdc\xa8\xed" "\x92\xa8\xb5\xe1\xa8\xfe\xd9\x5c\x1c\x79\xd6\xcc\x17\xf3\xcc\xac\xeb\xaf" "\xbe\xab\x9e\xd9\xff\x47\xf6\x7f\x7b\x43\xe3\x5c\x99\xb6\x8d\x6b\xe9\xcf" "\x8c\x91\xf3\xa9\xba\x96\x71\xf6\xa5\xf6\xed\xdc\x96\xd9\x0b\x58\x4b\x63" "\xcf\x07\x13\xf9\xac\x57\x7a\xa8\x95\x83\xa3\xe3\xbd\x97\xad\x56\xf3\xed" "\xc1\xd1\x71\xbb\x7b\xb0\xc7\xc1\x7c\x1f\x74\x4f\x82\xf3\x92\x0f\x07\xa5" "\x07\x8b\x76\xb9\x4a\x1b\xdb\xfd\xf9\x94\x06\x0d\xfb\xf1\x84\xd9\xe8\x2f" "\x7a\xe8\x4c\x10\x88\xdd\x77\x99\xc4\xd8\x83\x4c\xbd\xb2\xe9\x4a\x24\xfb" "\x14\x8f\xd8\xa7\x27\x65\x9d\x67\x7a\xdc\xca\xab\x0d\x12\xb7\x23\x97\x74" "\xb9\xb8\x82\xcb\xed\xb6\xb0\x82\x1b\xb7\xe6\xba\x73\x4f\xba\x3b\xfe\x88" "\xb1\xcf\x73\x4e\x98\xba\x7e\xe9\x05\xdf\xff\x03\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x5c\x34\xb3\xf8\xd3\x85\xd0\x73\x04\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe0\xa2\x33" "\x3a\x67\xbf\xff\x2b\x7e\xff\x17\x98\x95\x7f\x01\x00\x00\xff\xff\x4c\x04" "\x84\xa3", 614); syz_mount_image(0x200000c0, 0x20000100, 0x4080, 0x20000640, 2, 0x266, 0x200003c0); memcpy((void*)0x20000380, "./file1\000", 8); syscall(__NR_openat, 0xffffff9c, 0x20000380ul, 0x141842ul, 0ul); return 0; }