// https://syzkaller.appspot.com/bug?id=f86606dfb403cc9435c0ed5f17e1d80c110cddef // 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 void reset_loop_device(const char* loopname) { int loopfd = open(loopname, O_RDWR); if (loopfd == -1) { return; } if (ioctl(loopfd, LOOP_CLR_FD, 0)) { } close(loopfd); } 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, 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) { int loopfd; memset(loopname, 0, sizeof(loopname)); snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid); if (setup_loop_device(data, size, loopname, &loopfd) == -1) return -1; close(loopfd); 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) reset_loop_device(loopname); errno = err; return res; } uint64_t r[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } memcpy((void*)0x20000240, "hfsplus\000", 8); memcpy((void*)0x20000200, "./bus\000", 6); memcpy( (void*)0x20000900, "\x78\x9c\xec\xdd\xcd\x6f\x1c\x67\x19\x00\xf0\x67\xd6\x9b\xb5\x37\x40\xea" "\xb6\x49\x1b\x50\xa5\x58\x8d\x54\x10\x16\x89\x3f\x70\xc1\xa7\x06\x84\x90" "\x0f\x15\x2a\xe5\xc0\x89\x83\x95\x6c\x9a\x55\x36\x69\xb1\xb7\xc8\xad\x10" "\x98\xf2\x75\xe5\xd0\x3f\xa0\x1c\x7c\xe3\x84\xc4\x11\x29\x52\xb9\x70\x81" "\x5b\xaf\x3e\x46\x42\xe2\xd2\x0b\x46\xaa\x34\x68\x66\x67\xd6\x6b\x7b\xd7" "\xde\x7c\x78\x77\x4d\x7f\xbf\x68\xfc\xbe\x33\xef\xc7\x3c\xf3\xec\x7c\x78" "\xd7\x8a\x36\x80\xcf\xad\xb5\xf9\xa8\x3e\x88\x24\xd6\xe6\x5f\xdf\xca\xd6" "\x77\x77\x96\x5b\xbb\x3b\xcb\xf7\xca\x7a\x44\x4c\x47\x44\x25\xa2\xda\x29" "\x22\xf9\x4f\x9a\xa6\x1f\x47\xdc\x88\xce\x12\x5f\xce\x36\x16\xd3\x25\x83" "\xf6\xf3\x61\x73\xf5\xcd\x4f\x3e\xdd\x7d\x18\x9f\x65\x6b\xd5\x62\xc9\xfb" "\x57\x8e\x1b\x37\x9c\xed\x62\x89\xb9\x88\x98\x2a\xca\xae\xca\x93\xcd\x77" "\xb3\x28\x5f\x7b\xec\xf0\x92\xee\x11\x66\x09\xbb\x5a\x26\x0e\xc6\xed\x5c" "\x76\x25\xa6\xa5\xb9\x34\x4d\x7f\xfa\xf7\x2f\x76\x5b\x7a\xd4\xfb\x8d\x9e" "\x19\x49\x8c\xc0\xe9\x4a\x3a\xcf\xcd\x23\x66\x23\xce\x17\x17\x7a\xf6\x7b" "\x40\xe7\xa9\xf8\x38\x8f\xd4\x09\xb3\x3d\xee\x00\x00\x00\x00\x60\x04\x9e" "\xd9\x8b\xbd\xd8\x8a\x0b\xe3\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" "\xce\x92\xe2\xfb\xff\x93\x62\xa9\x94\xf5\xb9\x48\xca\xef\xff\xaf\x15\xdb" "\xa2\xa8\x4f\x96\x2b\x8f\xd6\xfd\xc1\x69\xc5\x01\x00\x00\x00\x00\x00\x00" "\x00\x23\x74\x65\x2f\xf6\x62\x2b\x2e\x94\xeb\x69\x92\xff\xcd\xff\xe5\x7c" "\xe5\x62\xfe\xf3\x0b\xf1\x6e\x6c\x46\x23\x36\xe2\x5a\x6c\xc5\x7a\xb4\xa3" "\x1d\x1b\xb1\x18\x11\xb3\x3d\x13\xd5\xb6\xd6\xdb\xed\x8d\xc5\xee\xc8\x99" "\x3e\x23\xa7\xf2\x91\x4b\x7d\x47\x2e\x9d\x10\xe8\x74\x51\xd6\x9f\xd6\x91" "\x03\x00\x00\x00\x00\x00\x00\xc0\xff\x95\x0f\x62\x6d\xff\xef\xff\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x30\x09\x92\x88\xa9\x4e\x91\x2f\x17" "\xcb\xfa\x6c\x54\xaa\x11\x31\x13\x11\xb5\xac\xdf\x76\xc4\x3f\xcb\x7a\xbe" "\x75\xd2\x0d\x88\xf1\xc1\xa8\xe3\x00\x00\x00\x80\x31\x78\x66\x2f\xf6\x62" "\x2b\x2e\x94\xeb\x69\x92\xbf\xe7\x7f\x21\x7f\xdf\x3f\x13\xef\xc6\xfd\x68" "\x47\x33\xda\xd1\x8a\x46\xdc\xca\x3f\x0b\xe8\xbc\xeb\xaf\xec\xee\x2c\xb7" "\x76\x77\x96\xef\x65\xcb\xd1\x79\xbf\xf3\xef\x47\x0a\x23\x9f\x31\x3a\x9f" "\x3d\xf4\xdf\xf3\xe5\xbc\x47\x3d\x6e\x47\x33\xdf\x72\x2d\x6e\xc6\xdb\xd1" "\x8a\x5b\x51\xc9\x47\x66\x2e\x97\xf1\xf4\x8f\xeb\x57\x59\x4c\xc9\x6b\x85" "\x21\x23\xbb\x55\x94\xd9\x91\xff\xa1\x28\x4f\x49\x2d\xe2\x87\xc3\xf4\x5b" "\xad\xe6\xc5\x6c\x9e\x91\x73\xdd\x8c\x2c\x14\xb1\x65\xd9\x78\xf6\xf8\x4c" "\x0c\x7a\x75\x2a\xfd\x37\x1f\xde\xd3\x62\x54\x8a\x4f\x7e\x22\x2e\x1e\xda" "\x53\xed\xe0\xd0\x63\x72\x3e\x35\xf0\x00\xcf\x17\x65\x76\x3c\xbf\x3b\xdd" "\x9c\x3f\xa2\xc3\x99\x58\xea\x39\xfb\x5e\x38\x90\x89\xf4\x68\xd0\x5f\xfd" "\xcb\x9f\x7e\x7c\xa7\x75\xff\xee\x9d\xdb\x9b\xf3\x93\x73\x48\xc3\x29\x5f" "\xac\xb4\xdc\x70\x38\x13\xcb\xf1\xc1\x4f\x1e\x4e\x77\xda\x5e\x3c\xfe\xec" "\x3b\xdb\x99\x38\x62\x21\xcf\xc4\xa5\xee\xfa\x5a\x7c\x3f\x7e\x14\xf3\x31" "\x17\x6f\xc4\x46\x34\xe3\x67\xb1\x1e\xed\x68\xc4\x5c\x7c\x2f\xaf\xad\x17" "\xe7\x73\xd2\xfd\xfc\x34\x62\x40\xa6\x6e\x1c\x58\x7b\xe3\xa4\x48\x6a\xc5" "\xeb\xd2\x79\xb1\x86\x89\x29\xbb\x93\x74\x62\x7a\x39\x1f\x7b\x21\x9a\xf1" "\x83\x78\x3b\x6e\x45\x23\x5e\xcd\xff\x2d\xc5\x62\x7c\x2b\x56\x62\x25\x56" "\x7b\xce\xf5\x4b\x43\xdc\x69\x2b\x03\xee\xb4\xe9\x97\xfa\x06\x7f\xf5\x6b" "\x45\xa5\x1e\x11\xbf\x2f\xca\x1e\x9f\x9d\x74\xf4\xa7\x27\xcb\xeb\xb3\x3d" "\x79\xed\xbd\xe7\xce\xe6\x6d\xbd\x5b\xf6\xb3\xf4\xdc\xd3\x7f\x1e\x55\xbf" "\x52\x54\xb2\x7d\xfc\x7a\xf0\x2d\x7b\x0c\x0e\x67\x62\xb1\x27\x13\xcf\x1f" "\x9f\x89\x3f\xe6\xb7\x95\xcd\xd6\xfd\xbb\x1b\x77\xd6\xdf\x19\x72\x7f\xaf" "\x14\x65\x76\x1d\xfd\x76\xf8\xa7\xc4\xe0\xc7\xce\x53\x93\x9d\x2f\xcf\x65" "\x2f\x56\xbe\x76\xf0\xec\xc8\xda\x9e\xef\xdb\xb6\x98\xb7\x5d\xec\xb6\x55" "\x8e\xb4\x5d\xea\xb6\x75\xae\xd4\xed\x81\x57\x6a\xad\xf8\x1d\xee\xe8\x4c" "\x4b\x79\xdb\x8b\x7d\xdb\x96\xf3\xb6\xcb\x3d\x6d\xfd\x7e\xdf\x02\x60\xe2" "\x9d\xff\xfa\xf9\x5a\xfd\x5f\xf5\x7f\xd4\x3f\xaa\xff\xa6\x7e\xa7\xfe\xfa" "\xcc\x77\xa7\xbf\x3d\xfd\x52\x2d\xce\xfd\xed\x5c\x54\x17\xa6\x5e\xa9\xbc" "\x94\xfc\x39\x3e\x8a\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\x1e\xdf\xe6" "\x7b\xef\xdf\x5d\x6f\xb5\x1a\x1b\x87\x2a\x69\x9a\xfe\xf2\xc0\x96\xd8\x1e" "\xdc\xf9\xec\x54\xca\x2f\x01\x1a\x6f\x18\xb5\x98\x8c\x6c\x8c\xb0\xf2\xdf" "\x34\x4d\x8b\x2d\x49\xff\x3e\x7f\xfd\xe6\x28\xe3\x29\x4f\x84\xfe\x7d\xd2" "\xc2\x44\xa4\xee\xa4\xca\x95\x38\x95\x99\xc7\x78\x53\x02\x46\xe2\x7a\xfb" "\xde\x3b\xd7\x37\xdf\x7b\xff\x1b\xcd\x7b\xeb\x6f\x35\xde\x6a\xdc\x5f\x5d" "\x59\x59\x5d\x58\x5d\x79\x75\xf9\xfa\xed\x66\xab\xb1\xd0\xf9\x39\xee\x28" "\x81\xd3\xb0\xff\xd0\x3f\xa1\x63\x7d\x44\x01\x01\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x27\x1a\xc5\x7f\x54\x18\xf7\x31\x02\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x67\xdb\xda" "\x7c\x54\x1f\x44\x12\x8b\x0b\xd7\x16\xb2\xf5\xdd\x9d\xe5\x56\xb6\x94\xf5" "\xfd\x9e\xd5\x88\xa8\x44\x44\xf2\xf3\x88\xe4\xe3\x88\x1b\xd1\x59\x62\xb6" "\x67\xba\x64\xd0\x7e\x3e\x6c\xae\xbe\xf9\xc9\xa7\xbb\x0f\xf7\xe7\xaa\x96" "\xfd\x2b\xc7\x8d\x1b\xce\x76\xb1\xc4\x5c\x44\x4c\x15\xe5\xd3\x9a\xef\xe6" "\x13\xcf\x97\x74\x8f\x30\x4b\xd8\xd5\x32\x71\x30\x6e\xff\x0b\x00\x00\xff" "\xff\x73\x36\x0e\x5c", 1661); syz_mount_image( /*fs=*/0x20000240, /*dir=*/0x20000200, /*flags=MS_POSIXACL|MS_SYNCHRONOUS|MS_STRICTATIME|MS_NODIRATIME|MS_NODEV|0xc0*/ 0x10108d4, /*opts=*/0x20000040, /*chdir=*/1, /*size=*/0x67d, /*img=*/0x20000900); memcpy((void*)0x20000040, "memory.events\000", 14); syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000040ul, /*flags=*/0x275aul, /*mode=*/0ul); memcpy((void*)0x20000000, "./file2\000", 8); res = syscall( __NR_open, /*file=*/0x20000000ul, /*flags=O_SYNC|O_NOCTTY|O_NOATIME|O_DIRECT|O_CREAT|0x2*/ 0x145142ul, /*mode=*/0ul); if (res != -1) r[0] = res; syscall(__NR_ftruncate, /*fd=*/r[0], /*len=*/0x2007ffbul); return 0; }