// https://syzkaller.appspot.com/bug?id=3c85d768cb12b6bb2e8801f372a7bae618cbe1cb // 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, 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*)0x20000440, "ext4\000", 5); memcpy((void*)0x20000180, "./file1\000", 8); memcpy((void*)0x200001c0, "inode_readahead_blks=0x0000000000000000,nogrpid,debug_want_extra_" "isize=0x0000000000000066,dioread_nolock,max_batch_time=" "0x0000000000000008,resgid=", 146); sprintf((char*)0x20000252, "0x%016llx", (long long)0); memcpy((void*)0x20000264, "\x2c\x00\x4b\x5f\xd2\x5e\x1b\x08\x9b\x19\xd0\x64\x60\xfc\x5e\x16\x71" "\xcf\xa7\xda\xfd\x6e\x9f\x99\x4b\xce\x8c\x62\x9a\x6e\xa5\xc2\x8a\xd3" "\x22\x43\xae\x83\x46\xe3\xbd\x4c\x5d\x2b\x57\xbd\x24\xe0\xd2\xc3\x79" "\xfc\x2d\x09\xa9\x08\x00\x00\x00\xd9\xcd\xd1\xe3\x65\xac\xf0\x9e\x10" "\x4e\xf4\xc9\xa3\xc2\x50\xc7\xc8\xb0\x86\x7d\xc6\xed\xdd\x41\x05\x60" "\x7a\x13\xb3\xfa\x17\xa7\x2e\x99\xf7\xc5\x1a\xd5\x33\x60\xbc\x6e\x59" "\x8a\xe3\x14\x60\xff\x8d\x16\x67\x14\x0b\x15\xc5\x93\x8f\x54\xbd\x13" "\xd3\xd9\x24\x98\x85\x5c\xed\x1e\x4f\x21\x64\x55\x97\x5f\x22\x93", 135); memcpy( (void*)0x20000900, "\x78\x9c\xec\xdb\xcb\x6f\x1b\xc5\x1f\x00\xf0\xef\xae\x93\xf6\xf7\xeb\x83" "\x84\x52\x1e\x2d\x05\x0c\x05\x11\xf1\x48\x9a\xb4\x40\x0f\x5c\x40\x20\x71" "\x00\x09\x09\x0e\xe5\x18\x92\xb4\x0a\x75\x1b\xd4\x04\x89\x56\x11\x04\x84" "\xca\x11\x55\xe2\x8e\x38\x22\xf1\x17\x70\x82\x0b\x02\x4e\x48\x5c\xe1\x8e" "\x2a\x55\x28\x97\x16\x4e\x46\x6b\xef\x26\xae\x63\x87\x3c\x9c\xba\xb0\x9f" "\x8f\xb4\xed\x8c\x77\x9c\x99\xaf\x67\xc7\x9e\x9d\xb1\x03\x28\xad\x6a\xf6" "\x4f\x12\xb1\x2f\x22\x7e\x8d\x88\xa1\x66\xf6\xe6\x02\xd5\xe6\x7f\x37\x96" "\x17\xa7\xfe\x5c\x5e\x9c\x4a\xa2\x5e\x7f\xe3\x8f\xa4\x51\xee\xfa\xf2\xe2" "\x54\x51\xb4\x78\xde\xde\x3c\x33\x92\x46\xa4\x9f\x24\x6d\x7f\xb0\x69\xfe" "\xe2\xa5\xb3\x93\xb5\xda\xcc\x85\x3c\x3f\xb6\x70\xee\xdd\xb1\xf9\x8b\x97" "\x9e\x9e\x3d\x37\x79\x66\xe6\xcc\xcc\xf9\x89\x93\x27\x4f\x1c\x1f\x7f\xee" "\xd9\x89\x67\x7a\x12\x67\x16\xd7\xf5\xc3\x1f\xcc\x1d\x39\xf4\xca\x5b\x57" "\x5e\x9b\x3a\x75\xe5\xed\x1f\xbf\xce\x9a\xb5\x2f\x3f\xdf\x1a\x47\xaf\x54" "\xa3\xda\x29\xf4\x86\xc7\x7a\x5d\x59\x9f\xed\x6f\x49\x27\x03\x7d\x6c\x08" "\x9b\x52\x89\x88\xac\xbb\x06\x1b\xe3\x7f\x28\x2a\xb1\xda\x79\x43\xf1\xf2" "\xc7\x7d\x6d\x1c\xb0\xa3\xea\xf5\x7a\x7d\x77\xf7\xd3\x4b\x75\xe0\x3f\x2c" "\x89\x7e\xb7\x00\xe8\x8f\xe2\x83\x3e\xbb\xff\x2d\x8e\x5b\x34\xf5\xb8\x2d" "\x5c\x7b\xa1\x79\x03\x94\xc5\x7d\x23\x3f\x9a\x67\x06\x22\xcd\xcb\x0c\xb6" "\xdd\xdf\xf6\x52\x35\x22\x4e\x2d\xfd\xf5\x45\x76\xc4\x0e\xad\x43\x00\x00" "\xb4\xfa\x36\x9b\xff\x3c\xd5\x69\xfe\x97\xc6\x3d\x2d\xe5\xee\xc8\xf7\x50" "\x86\x23\xe2\xce\x88\x38\x10\x11\x77\x45\xc4\xc1\x88\xb8\x3b\xa2\x51\xf6" "\xde\x88\xb8\x6f\x93\xf5\x57\xdb\xf2\x6b\xe7\x3f\xe9\xd5\x2d\x05\xb6\x41" "\xd9\xfc\xef\xf9\x7c\x6f\xeb\xe6\xf9\x5f\x31\xfb\x8b\xe1\x4a\x9e\xdb\xdf" "\x88\x7f\x30\x39\x3d\x5b\x9b\x39\x96\xbf\x26\x23\x31\xb8\x3b\xcb\x8f\xaf" "\x53\xc7\x77\x2f\xfd\xf2\x59\xb7\x73\xad\xf3\xbf\xec\xc8\xea\x2f\xe6\x82" "\x79\x3b\xae\x0e\xb4\x2d\xd0\x4d\x4f\x2e\x4c\x6e\x27\xe6\x56\xd7\x3e\x8a" "\x38\x3c\xd0\x29\xfe\x64\x65\x27\x20\x89\x88\x43\x11\x71\x78\x8b\x75\xcc" "\x3e\xf1\xd5\x91\x6e\xe7\xfe\x39\xfe\x75\xf4\x60\x9f\xa9\xfe\x65\xc4\xe3" "\xcd\xfe\x5f\x8a\xb6\xf8\x0b\xc9\xfa\xfb\x93\x63\xff\x8b\xda\xcc\xb1\xb1" "\xe2\xaa\x58\xeb\xa7\x9f\x2f\xbf\xde\xad\xfe\x6d\xc5\xdf\x03\x59\xff\xef" "\xe9\x78\xfd\xaf\xc4\x3f\x9c\xb4\xee\xd7\xce\x6f\xbe\x8e\xcb\xbf\x7d\xda" "\xf5\x9e\x66\xab\xd7\xff\xae\xe4\xcd\x46\x7a\x57\xfe\xd8\xfb\x93\x0b\x0b" "\x17\xc6\x23\x76\x25\xaf\xae\x7d\x7c\x62\xf5\xb9\x45\xbe\x28\x9f\xc5\x3f" "\x72\xb4\xf3\xf8\x3f\x10\xab\xaf\xc4\xfd\x11\x91\x5d\xc4\x0f\x44\xc4\x83" "\x11\xf1\x50\xde\xf6\x87\x23\xe2\x91\x88\x38\xba\x4e\xfc\x3f\xbc\xf8\xe8" "\x3b\x5b\x8f\x7f\x67\x65\xf1\x4f\x6f\xaa\xff\x37\x9f\xa8\x9c\xfd\xfe\x9b" "\x6e\xf5\x6f\xac\xff\x4f\x34\x52\x23\xf9\x23\x1b\x79\xff\xdb\x68\x03\xb7" "\xf3\xda\x01\x00\x00\xc0\xbf\x45\xda\xf8\x0e\x7c\x92\x8e\xae\xa4\xd3\x74" "\x74\xb4\xf9\x1d\xfe\x83\xb1\x27\xad\xcd\xcd\x2f\x3c\x79\x7a\xee\xbd\xf3" "\xd3\xcd\xef\xca\x0f\xc7\x60\x5a\xac\x74\x0d\xb5\xac\x87\x8e\xe7\x6b\xc3" "\x45\x7e\xa2\x2d\x7f\x3c\x5f\x37\xfe\xbc\xf2\xff\x46\x7e\x74\x6a\xae\x36" "\xdd\xef\xe0\xa1\xe4\xf6\x76\x19\xff\x99\xdf\x2b\xfd\x6e\x1d\xb0\xe3\xfc" "\x5e\x0b\xca\xcb\xf8\x87\xf2\x32\xfe\xa1\xbc\x8c\x7f\x28\x2f\xe3\x1f\xca" "\xab\xd3\xf8\xff\xb0\x0f\xed\x00\x6e\x3d\x9f\xff\x50\x5e\xc6\x3f\x94\x97" "\xf1\x0f\xe5\x65\xfc\x43\x29\x6d\xe7\x77\xfd\x12\x65\x4e\x44\x7a\x5b\x34" "\x43\x62\x87\x12\xfd\x7e\x67\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\xe8\x8d\xbf\x03\x00\x00\xff\xff\xf0\x75\xe6\x67", 1057); syz_mount_image(0x20000440, 0x20000180, 0, 0x200001c0, 0xfd, 0x421, 0x20000900); memcpy((void*)0x20000000, "./file1\000", 8); memcpy((void*)0x200000c0, "trusted.overlay.upper\000", 22); *(uint8_t*)0x20000480 = 0; *(uint8_t*)0x20000481 = 0xfb; *(uint8_t*)0x20000482 = 0x78; *(uint8_t*)0x20000483 = 0; *(uint8_t*)0x20000484 = 0; memcpy((void*)0x20000485, "\xcd\xff\xff\xff\x5b\x8e\xf0\x8d\x43\x4b\x0b\x00\x00\xb2\x52\x00", 16); memcpy( (void*)0x20000495, "\x21\x64\x1d\x35\xee\xba\x27\x3f\xb1\x7d\x19\x03\x77\x06\xe3\x2a\xbb\xb7" "\x20\xe5\x4a\xb3\x74\x5b\x25\x5a\xd6\xc2\xd1\xf6\x92\xa2\xf0\x8f\x01\xa9" "\xce\x1d\x0e\x82\xcb\xbe\x6c\x55\x29\xb2\x55\x4f\x38\x49\xf5\x3f\x0c\x1f" "\x1f\x51\xad\xf5\x4a\xc8\x01\xcc\x23\xf7\xeb\xd5\x7c\x66\x6b\x5d\x6d\x62" "\x6d\x33\x36\xb5\x1f\x40\xb9\x14\xcc\x8d\x2d\x1c\xb7\xdd\x20\x68\xed\x31" "\xf1\x3f\x89\xd8\x7f\x7a\x6c\xdf\x95\xc7\xba\x12\x36\x1f\x2d\xaf\x45\x17" "\xfd\x48\x3a\xeb\x65\xce\x34\xbe\x1b\x47\xe0\xac\x06\xdc\xb9\x63\xdb\xa6" "\x13\x0e\x70\x9e\x15\xdb\x2d\x9c\x2a\xf0\x7c\xcc\x31\x3e\x3b\x30\x77\x61" "\x8a\x34\x5f\x40\xd9\xcb\x4a\x93\x2e\x27\x16\x2e\xee\x1d\x96\xcb\x7c\xd6" "\x68\xd9\x4c\x0e\x55\x2c\x86\x91\xae\x20\x55\x0d\x9f\x9a\xf3\xe0\xbb\x0b" "\x34\x59\x56\x73\xe2\xab\x14\x80\x75\x8d\xaa\x47\x84\xcb\xf6\xc7\xe1\x30" "\x3a\xad\x64\x39\xb7\xaf\x5b\xde\x50\x2c\xce\xc4\x2c\x91\x51\x16\x39\x8f" "\xa9\x6c\x01\x16\x07\x48\x0a\xbf\x1a\x6e\xb8\x07\xe7\x58\xfc\xd8\x8f\x35" "\xfc\x0e\x21\x7f\x3b\xae\x1d\xa7\xae\x06\xdc\x3d\x3e\x37\xf7\xd1\x98\x17" "\x47\xaa\x72\x6e\x4e\xb7\x8b\xc2\x76\xf6\x0a\xad\x2b\x4f\x50\xd7\x87\x7f" "\x3d\x3d\x32\xa1\x97\x04\xb1\x3c\x07\x8f\x04\x56\xd5\xe2\x24\x6f\x07\xe1" "\x77\x8b\xf1\x6c\x36\x54\x06\x6e\x58\x34\x07\xbd\xd0\xc8\x8d\x33\xd8\x3d" "\xe8\xb4\x87\x4e\xfb\x8c\x3c\x8c\xee\x11\x9b\x6c\x90\x49\x4f\x6e\x0d\x9e" "\x96\xa7\x48\x2b\x7c\x79\x9c\x2f\x83\x4c\x67\x96\xa8\xc4\x36\xec\x13\x6c" "\xc3\xfd\xe6\xfb\x3a\xf8\xc4\x51\x82\xaf\x71\x66\x47\xf7\x0b\x17\xde\x5a" "\xa8\x8e\x02\x00\x00\x00\xbc\x95\xdc\x58\xc8\x64\x32\xa6\xfa\x0a\x13\xba" "\x41\x0c\xa4\x98\xfb\xd5\x6f\x66\x09\x61\xbf\xf7\x7e\xd7\xf3\x34\xa1\xbd" "\x9c\x60\xb7\xb1\x8c\xc1\x03\x07\x79\xc0\xbe\xed\x45\xb7\x31\x71\x61\x12" "\x4a\xdf\xc8\x35\x74\x1e\xcd\x20\xa0\x53\xdd\x03\xb7\x9a\x81\x58\x02\x53" "\x13\x25\x83\x44\xdc\xfd\x97\xb6\x28\x5e\x1f\x38\x40\xf8\x0f\x52\x48\x97" "\x93\x61\xf4\xc3\x7f\xc6\x0f\x68\xcb\x8f\xf2\x7d\xc5\xc1\x83\x8a\xa1\x79" "\xc2\x94\x18\xe0\x59\x2f\x8a\xb7\xee\x63\x6c\x92\x7c\x00\x90\x61\x9e\x49" "\xb2\x45\xf7\xa2\xd0\xbe\x61\xe0\x6c\xac\xb1\x34\x2d\x42\x8e\x54\x36\xe4" "\x67\x7e\x36\x53\xbd\x8b\x21\x3e\x45\xf8\x81\xa4\x17\x65\xf1\x05\xc1\xff" "\x9a\x7f\x65\x6e\x87\x0d\x2d\xc7\x1c\x97\x74\x98\x86\x7d\xe1\x93\x27\x3b" "\x25\x16\xf1\xd4\x1e\x0b\x4e\x15\x59\x1b\x52\xc0\xa3\xd2\x44\x2c\xa3\x7a" "\x6c\xf5\xb4\xdf\x03\x36\xb3\x5e\x76\xfc\x9b\xab\x97\xfe\x2b\xd7\x89\x14" "\x3b\x72\xc5\xf9\x25\xa6\x3a\xac\x74\x7a\x00\xff\xb1\xff\xa8\x7c\x3e\x66" "\x91\x4b\x92\xab\x80\x73\x04\xb5\x7f\x51\x6d\x42\x1b\x7c\xad\x25\xde\x02" "\x97\x82\x41\x28\xc6\xc9\x80\x0f\x6b\xbf\xfa\xe7\x33\x1e\x64\xa5\x16\x81" "\xdf\x48\x2c\xcc\x3d\xfd\xa2\x89\xc0\x58\xa2\x86\x09\x38\x6e\x64\xe7\x23" "\x2c\x20\x7c\x6d\x51\xb2\x1b\x26\x16\x6d\xf5\x52\x2c\xfc\xee\x89\x8e\x85" "\xcf\x42\x40\x73\x01\xd3\x6e\x32\xa9\xed\x3d\x57\x12\x1c\xc4\x66\x6d\x75" "\x1c\x81\x7b\xe3\x75\x21\x7d\x56\xaf\xa8\xd4\x70\x85\xa3\xc8\xcb\xa6\x35" "\x06\x8b\x36\x60\x98\x65\xcf\x15\xec\x84\x4d\xbc\x5d\x71\x8b\xad\x5c\x3a" "\xb8\x76\x35\x61\x09\x9a\x18\x7e\x46\x07\x70\x5d\x78\xd4\x84\x2f\xe9\x69" "\xe4\x88\x8a\xb1\x42\x90\x15\xfc\xdc\x21\xe6\x6e\x3d\xe4\xa6\x26\xb3\xad" "\x05\x18\xb8\x54\x4f\x58\xc6\xb4\xa2\xd0\x38\x9b\xbb\xb0\x5d\x45\x17\x84" "\xf8\x38\x85\x78\xfd\xa7\xdd\x83\x67\x92\xbf\xc9\xee\x91\xec\x95\x9e\xfd" "\x30\x7a\x2e\xdd\x24\xdf\x7f\x58\xa0\xeb\x99\x9b\x0e\x93\x22\xee\x81\x09" "\x1a\x1a\x70\x94\x94\xc9\x70\x68\x51\xd9\x20\x6a\xe2\xb2\x63\xc6\x4c\xf6" "\x4b\xe1\x25\x37\x15\xc4\x87\x4b\xde\xdd\x63\x8c\xab\xa3\x4d\xb2\x09\xd3" "\xdd\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00", 867); syscall(__NR_setxattr, 0x20000000ul, 0x200000c0ul, 0x20000480ul, 0x378ul, 0ul); memcpy((void*)0x20000400, "./file1\000", 8); syscall(__NR_creat, 0x20000400ul, 0ul); return 0; }