// https://syzkaller.appspot.com/bug?id=6a950e60e5fc7fca63bfb559f93ab8a9ae602ac7 // 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 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"); } else if (strncmp(fs, "gfs2", 4) == 0 && (strstr(opts, "errors=panic") || strstr(opts, "debug"))) { strcat(opts, ",errors=withdraw"); } 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; } int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-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=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } // syz_mount_image$ext4 arguments: [ // fs: ptr[in, buffer] { // buffer: {65 78 74 34 00} (length 0x5) // } // dir: ptr[in, buffer] { // buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8) // } // flags: mount_flags = 0x800700 (8 bytes) // opts: ptr[in, fs_options[ext4_options]] { // fs_options[ext4_options] { // elems: array[fs_opt_elem[ext4_options]] { // fs_opt_elem[ext4_options] { // elem: union ext4_options { // nodioread_nolock: buffer: {6e 6f 64 69 6f 72 65 61 64 5f 6e 6f // 6c 6f 63 6b} (length 0x10) // } // comma: const = 0x2c (1 bytes) // } // fs_opt_elem[ext4_options] { // elem: union ext4_options { // journal_dev: fs_opt["journal_dev", fmt[hex, int32]] { // name: buffer: {6a 6f 75 72 6e 61 6c 5f 64 65 76} (length // 0xb) eq: const = 0x3d (1 bytes) val: int32 = 0xff (18 bytes) // } // } // comma: const = 0x2c (1 bytes) // } // fs_opt_elem[ext4_options] { // elem: union ext4_options { // debug_want_extra_isize: fs_opt["debug_want_extra_isize", // fmt[hex, int32]] { // name: buffer: {64 65 62 75 67 5f 77 61 6e 74 5f 65 78 74 72 // 61 5f 69 73 69 7a 65} (length 0x16) eq: const = 0x3d (1 // bytes) val: int32 = 0x20 (18 bytes) // } // } // comma: const = 0x2c (1 bytes) // } // fs_opt_elem[ext4_options] { // elem: union ext4_options { // nouid32: buffer: {6e 6f 75 69 64 33 32} (length 0x7) // } // comma: const = 0x2c (1 bytes) // } // fs_opt_elem[ext4_options] { // elem: union ext4_options { // resgid: fs_opt["resgid", fmt[hex, gid]] { // name: buffer: {72 65 73 67 69 64} (length 0x6) // eq: const = 0x3d (1 bytes) // val: gid (resource) // } // } // comma: const = 0x2c (1 bytes) // } // fs_opt_elem[ext4_options] { // elem: union ext4_options { // acl: buffer: {61 63 6c} (length 0x3) // } // comma: const = 0x2c (1 bytes) // } // fs_opt_elem[ext4_options] { // elem: union ext4_options { // init_itable_val: fs_opt["init_itable", fmt[hex, int32]] { // name: buffer: {69 6e 69 74 5f 69 74 61 62 6c 65} (length // 0xb) eq: const = 0x3d (1 bytes) val: int32 = 0x8d55 (18 // bytes) // } // } // comma: const = 0x2c (1 bytes) // } // } // common: array[fs_opt_elem[fs_options_common]] { // } // null: const = 0x0 (1 bytes) // } // } // chdir: int8 = 0x0 (1 bytes) // size: len = 0x473 (8 bytes) // img: ptr[in, buffer] { // buffer: (compressed buffer with length 0x473) // } // ] // returns fd_dir memcpy((void*)0x20000180, "ext4\000", 5); memcpy((void*)0x200001c0, "./file0\000", 8); memcpy((void*)0x20000680, "nodioread_nolock", 16); *(uint8_t*)0x20000690 = 0x2c; memcpy((void*)0x20000691, "journal_dev", 11); *(uint8_t*)0x2000069c = 0x3d; sprintf((char*)0x2000069d, "0x%016llx", (long long)0xff); *(uint8_t*)0x200006af = 0x2c; memcpy((void*)0x200006b0, "debug_want_extra_isize", 22); *(uint8_t*)0x200006c6 = 0x3d; sprintf((char*)0x200006c7, "0x%016llx", (long long)0x20); *(uint8_t*)0x200006d9 = 0x2c; memcpy((void*)0x200006da, "nouid32", 7); *(uint8_t*)0x200006e1 = 0x2c; memcpy((void*)0x200006e2, "resgid", 6); *(uint8_t*)0x200006e8 = 0x3d; sprintf((char*)0x200006e9, "0x%016llx", (long long)0); *(uint8_t*)0x200006fb = 0x2c; memcpy((void*)0x200006fc, "acl", 3); *(uint8_t*)0x200006ff = 0x2c; memcpy((void*)0x20000700, "init_itable", 11); *(uint8_t*)0x2000070b = 0x3d; sprintf((char*)0x2000070c, "0x%016llx", (long long)0x8d55); *(uint8_t*)0x2000071e = 0x2c; *(uint8_t*)0x2000071f = 0; memcpy( (void*)0x20000bc0, "\x78\x9c\xec\xdb\xcd\x6b\x1c\xe5\x1f\x00\xf0\xef\x4c\x5e\xda\xfe\xfa\x92" "\xfc\x6a\x7d\x69\xad\x1a\x2d\x42\xf0\x25\x69\xd2\xaa\x3d\x78\x51\x14\x3c" 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"\xdc\x78\x03\xf1\xe2\xfb\x95\x06\x07\xac\xab\xec\xda\xb4\xa5\xfd\xe2\xf9" "\x05\xe0\x0e\x96\x44\xd5\x11\x00\xd5\x28\x2f\xf4\xd9\xfd\x6f\xf9\xd8\xa0" "\xae\xc7\xa6\x70\xf5\xb9\xc6\x0d\x50\x96\xf7\x8d\xe2\xd1\x58\xd2\x1b\x69" "\xd1\xa6\xaf\xe5\xfe\xb6\x93\x86\x22\xe2\xd8\xfc\x5f\x9f\x65\x8f\x58\xa7" "\x71\x08\x00\x80\x66\x1f\x4d\x7e\x7a\x34\x9e\x58\xec\x77\x2c\xf6\x3f\xd2" "\xb8\x27\x7f\xfe\x35\xff\xbb\xab\x98\x43\x19\x8c\x88\xff\x47\xc4\xee\x88" "\xb8\x2b\x22\xf6\x44\xc4\xdd\x11\x79\xdb\x7b\x23\xe2\xbe\x35\xc6\x73\x6b" "\xff\x27\xbd\xb2\xc6\x8f\x5c\x51\xd6\xff\x7b\xb6\x98\xdb\x5a\xda\xff\x2b" "\x7b\x7f\x31\xd8\x53\xd4\x76\xe6\xf9\xf7\x25\xc7\xa7\xeb\xb5\x83\xc5\xff" "\x64\x38\xfa\xb6\x64\xf5\xb1\x15\xd6\xf1\xf5\x0b\x3f\x7d\xdc\x6e\x59\x73" "\xff\x2f\x7b\x64\xeb\x2f\xfb\x82\x45\x1c\x57\x7a\x5b\x06\xe8\xa6\x26\xe6" "\x26\xf2\x4e\x69\x07\x5c\xbd\x18\xb1\xaf\x77\xb9\xfc\x93\x9b\x33\x01\x49" "\x44\xec\x8d\x88\x7d\xab\xfb\xe8\x5d\x65\x61\xfa\xb1\x2f\xf6\xb7\x6b\x74" "\xfb\xfc\x57\xd0\x81\x79\xa6\x85\xcf\xb3\xf4\xe6\xb3\xfc\xe7\xa3\x25\xff" "\x52\xd2\x3c\x3f\x39\x7d\xcb\xfc\xe4\xe8\xd6\xa8\xd7\x0e\x8e\x96\x7b\xc5" "\xad\x7e\xf8\xf1\xd2\xab\xed\xd6\xbf\xa6\xfc\x3b\xe0\x6a\xad\xf1\xdc\xb4" "\xfd\x5b\x9b\x0c\x26\xcd\xf3\xb5\xb3\xab\x5f\xc7\xa5\x5f\x3e\x6c\x7b\x4f" "\xf3\x2f\xf7\xff\xb4\x3f\x79\x3d\x9f\x67\xee\x2f\x5e\x7b\x77\x62\x6e\xee" "\xcc\x58\x44\x7f\x72\x34\xaf\x2f\x79\x7d\x7c\xf1\xbd\x65\xbd\x6c\x9f\xed" "\xff\xc3\x07\x96\x3f\xfe\x77\x17\xef\xc9\xf2\xbf\x3f\x22\xb2\x9d\xf8\x81" "\x88\x78\x30\x22\x1e\x2a\x62\x7f\x38\x22\x1e\x89\x88\x03\x2b\xe4\xff\xdd" "\xf3\xed\x97\x95\xf9\x47\x5a\xd1\xf6\xbf\x18\x31\xb5\xec\xf9\xef\xe6\xfe" "\xdf\xb2\xfd\x57\x5f\xe8\x39\xf9\xed\x57\xed\xd6\xff\xcf\xb6\xff\xe1\xbc" "\x34\x5c\xbc\x92\x9f\xff\x6e\x63\xb9\x70\xb2\xd3\x45\x6b\x80\x6b\xf9\xdf" "\x01\x00\x00\xc0\x7f\x45\x9a\x7f\x07\x3e\x49\x47\x6e\x96\xd3\x74\x64\xa4" "\xf1\x1d\xfe\x3d\xf1\xbf\xb4\x3e\x33\x3b\xf7\xf8\xf1\x99\xb7\x4f\x4f\x35" "\xbe\x2b\x3f\x18\x7d\x69\x39\xd2\x35\x50\x8c\x87\xd6\xa7\xeb\xb5\xb1\x64" "\xbe\xf8\xc4\xc6\xf8\xe8\x78\x31\x56\x5c\x8e\x97\x1e\x2a\xc6\x8d\x3f\xe9" "\xd9\x96\xd7\x47\x26\x67\xea\x53\x15\xe7\x0e\xdd\x6e\x7b\x9b\xe3\x3f\xf3" "\x5b\x4f\xd5\xd1\x01\xeb\x6c\xdb\xb2\xaf\x8e\xf7\x6f\x78\x20\x40\x05\x5a" "\xe7\xd1\xd3\xa5\xd5\x0b\xaf\x84\x93\x01\xdc\xa9\xfc\x5e\x1b\xba\xd7\x6d" "\x8e\xff\x74\xa3\xe2\x00\x36\x9e\xeb\x3f\x74\xaf\xe5\x8e\xff\x0b\x2d\x75" "\x73\x01\x70\x67\x72\xfd\x87\xee\xe5\xf8\x87\x2e\x95\x7e\x53\x75\x04\x40" "\x85\x5c\xff\xa1\x2b\xad\xe5\x77\xfd\xeb\x58\xd8\xba\x39\xc2\xa8\xa6\xb0" "\x59\x37\x4a\x5e\x88\x28\x0b\xe9\xa6\x88\x47\x61\x9d\x0a\x55\x9f\x99\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x3a\xe3\xef\x00\x00\x00\xff" "\xff\xe1\x77\xe9\x43", 1139); syz_mount_image(/*fs=*/0x20000180, /*dir=*/0x200001c0, /*flags=MS_I_VERSION|MS_NOATIME|0x300*/ 0x800700, /*opts=*/0x20000680, /*chdir=*/0, /*size=*/0x473, /*img=*/0x20000bc0); return 0; }