// https://syzkaller.appspot.com/bug?id=731876bd1eeaf72629e6d15dfc0faab7fee40a39 // 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_getdents64 #define __NR_getdents64 61 #endif #ifndef __NR_io_setup #define __NR_io_setup 0 #endif #ifndef __NR_io_submit #define __NR_io_submit 2 #endif #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 #ifndef __NR_write #define __NR_write 64 #endif static unsigned long long procid; static __thread int clone_ongoing; static __thread int skip_segv; static __thread jmp_buf segv_env; static void segv_handler(int sig, siginfo_t* info, void* ctx) { if (__atomic_load_n(&clone_ongoing, __ATOMIC_RELAXED) != 0) { exit(sig); } uintptr_t addr = (uintptr_t)info->si_addr; const uintptr_t prog_start = 1 << 20; const uintptr_t prog_end = 100 << 20; int skip = __atomic_load_n(&skip_segv, __ATOMIC_RELAXED) != 0; int valid = addr < prog_start || addr > prog_end; if (skip && valid) { _longjmp(segv_env, 1); } exit(sig); } static void install_segv_handler(void) { struct sigaction sa; memset(&sa, 0, sizeof(sa)); sa.sa_handler = SIG_IGN; syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8); syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8); memset(&sa, 0, sizeof(sa)); sa.sa_sigaction = segv_handler; sa.sa_flags = SA_NODEFER | SA_SIGINFO; sigaction(SIGSEGV, &sa, NULL); sigaction(SIGBUS, &sa, NULL); } #define NONFAILING(...) \ ({ \ int ok = 1; \ __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST); \ if (_setjmp(segv_env) == 0) { \ __VA_ARGS__; \ } else \ ok = 0; \ __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST); \ ok; \ }) //% 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) { errno = EMSGSIZE; return -1; } 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) { if (strstr(opts, "errors=panic") || strstr(opts, "errors=remount-ro") == 0) 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[4] = {0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xffffffffffffffff}; 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); install_segv_handler(); intptr_t res = 0; NONFAILING(memcpy((void*)0x20001500, "exfat\000", 6)); NONFAILING(memcpy((void*)0x20001540, "./file0\000", 8)); NONFAILING(memcpy((void*)0x20000140, "iocharset", 9)); NONFAILING(*(uint8_t*)0x20000149 = 0x3d); NONFAILING(memcpy((void*)0x2000014a, "cp1250", 6)); NONFAILING(*(uint8_t*)0x20000150 = 0x2c); NONFAILING(memcpy((void*)0x20000151, "allow_utime", 11)); NONFAILING(*(uint8_t*)0x2000015c = 0x3d); NONFAILING(sprintf((char*)0x2000015d, "%023llo", (long long)8)); NONFAILING(*(uint8_t*)0x20000174 = 0x2c); NONFAILING(memcpy((void*)0x20000175, "fmask", 5)); NONFAILING(*(uint8_t*)0x2000017a = 0x3d); NONFAILING(sprintf((char*)0x2000017b, "%023llo", (long long)3)); NONFAILING(*(uint8_t*)0x20000192 = 0x2c); NONFAILING(memcpy((void*)0x20000193, "discard", 7)); NONFAILING(*(uint8_t*)0x2000019a = 0x2c); NONFAILING(memcpy((void*)0x2000019b, "utf8", 4)); NONFAILING(*(uint8_t*)0x2000019f = 0x2c); NONFAILING(memcpy((void*)0x200001a0, "uid", 3)); NONFAILING(*(uint8_t*)0x200001a3 = 0x3d); NONFAILING(sprintf((char*)0x200001a4, "0x%016llx", (long long)0)); NONFAILING(*(uint8_t*)0x200001b6 = 0x2c); NONFAILING(memcpy((void*)0x200001b7, "gid", 3)); NONFAILING(*(uint8_t*)0x200001ba = 0x3d); NONFAILING(sprintf((char*)0x200001bb, "0x%016llx", (long long)0)); NONFAILING(*(uint8_t*)0x200001cd = 0x2c); NONFAILING(memcpy((void*)0x200001ce, "utf8", 4)); NONFAILING(*(uint8_t*)0x200001d2 = 0x2c); NONFAILING(memcpy((void*)0x200001d3, "iocharset", 9)); NONFAILING(*(uint8_t*)0x200001dc = 0x3d); NONFAILING(memcpy((void*)0x200001dd, "cp775", 5)); NONFAILING(*(uint8_t*)0x200001e2 = 0x2c); NONFAILING(memcpy((void*)0x200001e3, "allow_utime", 11)); 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"\x75\x2f\xba\x6e\xee\x25\xd7\xdd\xbd\xec\x5e\x76\xaf\xb8\x9e\xae\x97\xeb" "\xed\x5e\x75\x7d\xdc\x6b\xae\xaf\xeb\xe7\x52\x5c\x8a\x1b\xe0\x06\xb8\x81" "\x6e\xa0\x1b\xec\x06\xbb\xa1\x6e\xa8\x1b\xe6\x86\xb9\xe1\x6e\xb8\x4b\x75" "\xa9\x6e\xa4\x1b\xe9\x46\xb9\x51\x6e\xb4\x1b\xed\xc6\xb8\x31\x6e\x9c\x1b" "\xe7\xc6\xbb\xf1\x6e\xa2\x9b\xe8\x26\xbb\xc9\x2e\xcd\xa5\xb9\xa9\x6e\xaa" "\x9b\xe6\xa6\xb9\xe9\x6e\xba\x9b\xe9\x66\xba\x74\x97\xee\xe6\xb8\x39\x6e" "\xae\x9b\xeb\xe6\xbb\xf9\x6e\x41\xe2\x02\xb7\xd0\x2d\x74\x8b\xdd\x62\x97" "\xe1\x32\x5c\xa6\xcb\x74\x59\x2e\xcb\x2d\x73\xcb\x5c\xb6\xcb\x76\x2b\xdc" "\x0a\xb7\xca\xad\x72\x6b\xdc\x1a\xb7\xce\xad\x73\x1b\xdc\x06\xb7\xc9\x6d" "\x72\x5b\xdc\x16\xb7\xcd\x6d\x73\xdb\xdd\x76\xb7\xd3\xed\x74\xbb\xdd\x6e" "\xb7\xd7\xed\x75\xfb\xdc\x3e\xb7\xdf\xed\x77\x39\x2e\xc7\x1d\x70\x07\xdc" "\x41\x77\xd0\x1d\x72\xdf\xb9\x5c\xf7\xbd\x3b\xec\x7e\x70\x47\xdc\x8f\xee" "\xa8\xfb\xc9\x1d\x73\x3f\xbb\xe3\xee\x84\x3b\xe9\x4e\xb9\xd3\xee\x17\x77" "\xc6\x9d\x75\xe7\xdc\x79\x77\xc1\xfd\xea\x2e\xba\x4b\xee\xb2\xf3\x2e\x2d" "\xf2\x7e\x64\x6a\xe4\x83\xc8\xb4\xc8\x87\x91\xe9\x91\x19\x91\x99\x91\x59" "\x91\xf4\xc8\xec\xc8\x9c\xc8\x47\x91\xb9\x91\x79\x91\xf9\x91\x8f\x23\x0b" "\x22\x9f\x44\x16\x46\x16\x45\x16\x47\x96\x44\x32\x22\x9f\x46\x32\x23\x4b" "\x23\x59\x91\xcf\x22\xcb\x22\x9f\x47\xb2\x23\xcb\x23\x2b\x22\x2b\x23\xab" "\x22\xab\x23\xde\x17\xdf\x1e\xfa\x92\xbe\x94\x8f\xfa\x5b\x7c\x69\x7f\xab" "\x4f\xf4\x65\x7c\x59\x5f\xce\x3b\x5f\xde\x27\xf9\xdb\x7c\x05\x7f\xbb\xaf" "\xe8\xef\xf0\x95\xfc\x9d\xbe\xb2\xbf\xcb\x57\xf1\x55\x7d\x35\xff\xa4\x6f" "\xe9\x5b\xf9\xd6\xbe\x8d\x6f\xeb\x9f\xf2\xed\xfc\xd3\xbe\xbd\xef\xe0\x3b" "\xfa\x67\x7c\x27\xff\xac\xef\xec\x9f\xf3\xc9\xfe\x79\xdf\xc5\xbf\xe0\xbb" "\xfa\x17\x7d\x37\xff\x92\xef\xee\x5f\xf6\x3d\xfc\x2b\xbe\xa7\xef\xe5\x7b" "\xfb\x57\x7d\x1f\xff\x9a\xef\xeb\xfb\xf9\x14\xdf\xdf\x0f\xf0\xaf\xfb\x81" "\x7e\x90\x1f\xec\x87\xf8\xa1\xfe\x0d\x3f\xcc\xbf\xe9\x87\xfb\xb7\x7c\xaa" "\x1f\xe1\x47\xfa\xb7\xfd\x28\xff\x8e\x1f\xed\xdf\xf5\x63\xfc\x58\x3f\xce" "\xbf\xe7\xc7\xfb\x09\x7e\xa2\x9f\xe4\x27\xfb\x29\x3e\xcd\xbf\xef\xa7\xfa" "\x0f\xfc\x34\xff\xa1\x9f\xee\x67\xf8\x99\x7e\x96\x4f\xf7\xb3\xfd\x1c\xff" "\x91\x9f\xeb\xe7\xf9\xf9\xfe\x63\xbf\xc0\x7f\xe2\x17\xfa\x45\x7e\xb1\x5f" "\xe2\x33\xfc\xa7\x3e\xd3\x2f\xf5\x59\xfe\x33\xbf\xcc\x7f\xee\xb3\xfd\x72" "\xbf\xc2\xaf\xf4\xab\xfc\x6a\xbf\xc6\xaf\xf5\xeb\xfc\x7a\xbf\xc1\x6f\xf4" "\x9b\xfc\x66\xbf\xc5\x6f\xf5\xdb\xfc\x17\x7e\xbb\xdf\xe1\x77\xfa\x5d\x7e" "\xb7\xdf\xe3\xf7\xfa\x2f\xfd\x3e\xff\x95\xdf\xef\xbf\xf6\x39\xfe\x1b\x7f" "\xc0\xff\xc5\x1f\xf4\xdf\xfa\x43\xfe\x3b\x9f\xeb\xbf\xf7\x87\xfd\x0f\xfe" "\x88\xff\xd1\x1f\xf5\x3f\xf9\x63\xfe\x67\x7f\xdc\x9f\xf0\x27\xfd\x29\x7f" "\xda\xff\xe2\xcf\xf8\xb3\xfe\x9c\x3f\xef\x2f\xf8\x5f\xfd\x45\x7f\xc9\x5f" "\xe6\xff\x59\x63\x8c\x31\xc6\x18\xfb\x1f\x51\x7f\x70\xbc\xff\x3f\xf9\x9e" "\xfc\xdb\xba\x62\x80\x10\xe2\xfa\x1d\xc5\x72\xff\xb1\xe6\xa6\xc2\x7f\xdd" "\x0f\x92\x09\x9d\x22\x42\x88\xe7\xfb\xf5\x78\xec\x3f\x56\xed\xda\x29\x29" "\x29\x7f\x7b\x6c\xb6\x12\x41\xa9\x45\x42\x88\xc8\xd5\xfc\x7c\xe2\x6a\xbc" "\x5c\x74\x14\xcf\x8a\x64\xd1\x41\x54\xf8\xa7\xfd\x0d\x92\xbd\x2e\xd0\x1f" "\xd4\x8f\xde\x29\x44\xec\x7f\xc9\x89\x11\x57\xe3\xab\xf5\x6f\xff\x6f\xea" "\x3f\xf5\xcc\xb8\xcc\xca\xe1\xb9\xf8\xff\x4d\xfd\x45\x42\x24\x96\xba\x9a" "\x53\x40\x5c\x8d\xaf\xd6\xaf\xf8\xdf\xd4\x2f\xd2\xee\x0f\xfa\x2f\xf0\x6d" "\x9a\x10\xed\xff\x4b\x4e\x9c\xb8\x1a\x5f\xad\x9f\x24\x9e\x16\x2f\x88\xe4" "\xbf\x7b\x24\x63\x8c\x31\xc6\x18\x63\x8c\x31\xf6\x57\x83\x64\xb5\x6e\x7f" "\x74\xff\x7c\xe5\xfe\x3c\x41\x5f\xcd\xc9\x2f\xae\xc6\x7f\x74\x7f\xce\x18" "\x63\x8c\x31\xc6\x18\x63\x8c\xb1\x6b\xef\xa5\x5e\xbd\x9f\x7b\x2a\x39\xb9" "\x43\x37\xde\xf0\x86\x37\xbc\xf9\xcf\xcd\xb5\xfe\xcb\xc4\x18\x63\x8c\x31" "\xc6\x18\xfb\xb3\x5d\xbd\xe8\xbf\xd6\x9d\x30\xc6\x18\x63\x8c\x31\xc6\x18" "\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31" "\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x79\xd7\xff\x8b\x8f" "\x13\xbb\xd6\xe7\xc8\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c" "\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18" "\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x5d" "\x6b\xff\x2b\x00\x00\xff\xff\x64\x53\x3c\x19", 5357)); NONFAILING(syz_mount_image(0x20001500, 0x20001540, 0x2021004c, 0x20000140, 1, 0x14ed, 0x20001580)); NONFAILING(memcpy((void*)0x20000100, "./file1\000", 8)); res = syscall(__NR_openat, 0xffffff9c, 0x20000100ul, 0ul, 0ul); if (res != -1) r[0] = res; res = syscall(__NR_io_setup, 1, 0x20000000ul); if (res != -1) NONFAILING(r[1] = *(uint64_t*)0x20000000); NONFAILING(*(uint64_t*)0x200002c0 = 0x20000080); NONFAILING(*(uint64_t*)0x20000080 = 0); NONFAILING(*(uint32_t*)0x20000088 = 0); NONFAILING(*(uint32_t*)0x2000008c = 0); NONFAILING(*(uint16_t*)0x20000090 = 0); NONFAILING(*(uint16_t*)0x20000092 = 0); NONFAILING(*(uint32_t*)0x20000094 = r[0]); NONFAILING(*(uint64_t*)0x20000098 = 0); NONFAILING(*(uint64_t*)0x200000a0 = 0x7ffffffff000); NONFAILING(*(uint64_t*)0x200000a8 = 0); NONFAILING(*(uint64_t*)0x200000b0 = 0); NONFAILING(*(uint32_t*)0x200000b8 = 0); NONFAILING(*(uint32_t*)0x200000bc = -1); syscall(__NR_io_submit, r[1], 0x10ul, 0x200002c0ul); NONFAILING(memcpy((void*)0x20000040, ".\000", 2)); res = syscall(__NR_openat, 0xffffff9c, 0x20000040ul, 0ul, 0ul); if (res != -1) r[2] = res; syscall(__NR_getdents64, r[2], 0x20000080ul, 0x98ul); NONFAILING(memcpy((void*)0x20006ac0, "cpuacct.stat\000", 13)); res = syscall(__NR_openat, 0xffffff9c, 0x20006ac0ul, 0x275aul, 0ul); if (res != -1) r[3] = res; syscall(__NR_write, r[3], 0x200000c0ul, 0xbul); syscall(__NR_mmap, 0x20000000ul, 0x400000ul, 1ul, 0x10012ul, r[3], 0ul); NONFAILING(memcpy((void*)0x20000000, "/dev/cuse\000", 10)); syscall(__NR_openat, 0xffffffffffffff9cul, 0x20000000ul, 0xfeul, 0ul); return 0; }