// https://syzkaller.appspot.com/bug?id=bbf949c2ea416fd88088fd59318eab0760a7be49 // 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 #include #include #include #include #include #include #ifndef __NR_memfd_create #define __NR_memfd_create 319 #endif static unsigned long long procid; static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } static bool write_file(const char* file, const char* what, ...) { char buf[1024]; va_list args; va_start(args, what); vsnprintf(buf, sizeof(buf), what, args); va_end(args); buf[sizeof(buf) - 1] = 0; int len = strlen(buf); int fd = open(file, O_WRONLY | O_CLOEXEC); if (fd == -1) return false; if (write(fd, buf, len) != len) { int err = errno; close(fd); errno = err; return false; } close(fd); return true; } //% 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; } static void kill_and_wait(int pid, int* status) { kill(-pid, SIGKILL); kill(pid, SIGKILL); for (int i = 0; i < 100; i++) { if (waitpid(-1, status, WNOHANG | __WALL) == pid) return; usleep(1000); } DIR* dir = opendir("/sys/fs/fuse/connections"); if (dir) { for (;;) { struct dirent* ent = readdir(dir); if (!ent) break; if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0) continue; char abort[300]; snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort", ent->d_name); int fd = open(abort, O_WRONLY); if (fd == -1) { continue; } if (write(fd, abort, 1) < 0) { } close(fd); } closedir(dir); } else { } while (waitpid(-1, status, __WALL) != pid) { } } static void reset_loop() { char buf[64]; snprintf(buf, sizeof(buf), "/dev/loop%llu", procid); int loopfd = open(buf, O_RDWR); if (loopfd != -1) { ioctl(loopfd, LOOP_CLR_FD, 0); close(loopfd); } } static void setup_test() { prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0); setpgrp(); write_file("/proc/self/oom_score_adj", "1000"); } static void execute_one(void); #define WAIT_FLAGS __WALL static void loop(void) { int iter = 0; for (;; iter++) { reset_loop(); int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { setup_test(); execute_one(); exit(0); } int status = 0; uint64_t start = current_time_ms(); for (;;) { sleep_ms(10); if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; if (current_time_ms() - start < 5000) continue; kill_and_wait(pid, &status); break; } } } void execute_one(void) { if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } // syz_mount_image$hfsplus arguments: [ // fs: ptr[in, buffer] { // buffer: {68 66 73 70 6c 75 73 00} (length 0x8) // } // dir: ptr[in, buffer] { // buffer: {2e 2f 62 75 73 00} (length 0x6) // } // flags: mount_flags = 0xc (8 bytes) // opts: ptr[inout, array[ANYUNION]] { // array[ANYUNION] { // union ANYUNION { // ANYRES8: ANYRES8 (resource) // } // union ANYUNION { // ANYRES64: ANYRES64 (resource) // } // union ANYUNION { // ANYRES16: ANYRES16 (resource) // } // union ANYUNION { // ANYRESHEX: ANYRES64 (resource) // } // union ANYUNION { // ANYRES8: ANYRES8 (resource) // } // union ANYUNION { // ANYRESHEX: ANYRES64 (resource) // } // union ANYUNION { // ANYRES8: ANYRES8 (resource) // } // union ANYUNION { // ANYRESOCT: ANYRES64 (resource) // } // union ANYUNION { // ANYRES16: ANYRES16 (resource) // } // union ANYUNION { // ANYRES16: ANYRES16 (resource) // } // union ANYUNION { // ANYRES16: ANYRES16 (resource) // } // union ANYUNION { // ANYBLOB: buffer: {70 51 14 d7 49 f5 d3 ed d9 71 ca de 73 3c 82 15 // 21 38 2a 03 68 57 0d cf 85 ae a2 85 f2 a6 61 b8 8f 48 fa 08 15 cd // 21 60 a4 55 e9 1f f6 ea 25 68 5d 3a 81 8b 1e 17 88 41 52 cc 60 40 // b4 8d 9c cc c3 f3 f2 20 25 1c 94 dd d3 6f 47 6d cc d0 33 f7 65 a3 // f9 99 6e 1b 96 ed 8f 46 a1 04 97 da 02 88 e9 93 92 ac ca 6d 3f a7 // 8a 25 fd 08 da dd 45 ab 3c 72 66 72 b9 50 d8 69 b8 22 ad 83 9b 95 // b0 c4 b0 71 23 72 13 94 a6 ca c0 2a 14 76 35 b2 b9 cc 03 f8 f0 48 // 71 ad 6f aa b3 78 27 d2 c5 6c 0f b8 9a 08 a8 5b a0 8b 4a ba e7 9d // bf 95 e9 68 6a 57 d8 e6 31 f2 03 f8 57 c8 73 bb dd 3a 03 51 25 5f // 30 6b 36 6e b9 f1 83 dc 2f b5 a1 7e 44 7f 65 c3} (length 0xd0) // } // } // } // chdir: int8 = 0x1 (1 bytes) // size: len = 0x716 (8 bytes) // img: ptr[in, buffer] { // buffer: (compressed buffer with length 0x716) // } // ] // returns fd_dir memcpy((void*)0x2000000002c0, "hfsplus\000", 8); memcpy((void*)0x200000000180, "./bus\000", 6); *(uint8_t*)0x200000000a40 = 0; *(uint64_t*)0x200000000a41 = -1; *(uint16_t*)0x200000000a49 = -1; sprintf((char*)0x200000000a4b, "0x%016llx", (long long)0); *(uint8_t*)0x200000000a5d = -1; sprintf((char*)0x200000000a5e, "0x%016llx", (long long)0); *(uint8_t*)0x200000000a70 = -1; sprintf((char*)0x200000000a71, "%023llo", (long long)0); *(uint16_t*)0x200000000a88 = -1; *(uint16_t*)0x200000000a8a = -1; *(uint16_t*)0x200000000a8c = -1; memcpy( (void*)0x200000000a8e, "\x70\x51\x14\xd7\x49\xf5\xd3\xed\xd9\x71\xca\xde\x73\x3c\x82\x15\x21\x38" "\x2a\x03\x68\x57\x0d\xcf\x85\xae\xa2\x85\xf2\xa6\x61\xb8\x8f\x48\xfa\x08" "\x15\xcd\x21\x60\xa4\x55\xe9\x1f\xf6\xea\x25\x68\x5d\x3a\x81\x8b\x1e\x17" "\x88\x41\x52\xcc\x60\x40\xb4\x8d\x9c\xcc\xc3\xf3\xf2\x20\x25\x1c\x94\xdd" "\xd3\x6f\x47\x6d\xcc\xd0\x33\xf7\x65\xa3\xf9\x99\x6e\x1b\x96\xed\x8f\x46" "\xa1\x04\x97\xda\x02\x88\xe9\x93\x92\xac\xca\x6d\x3f\xa7\x8a\x25\xfd\x08" "\xda\xdd\x45\xab\x3c\x72\x66\x72\xb9\x50\xd8\x69\xb8\x22\xad\x83\x9b\x95" "\xb0\xc4\xb0\x71\x23\x72\x13\x94\xa6\xca\xc0\x2a\x14\x76\x35\xb2\xb9\xcc" "\x03\xf8\xf0\x48\x71\xad\x6f\xaa\xb3\x78\x27\xd2\xc5\x6c\x0f\xb8\x9a\x08" "\xa8\x5b\xa0\x8b\x4a\xba\xe7\x9d\xbf\x95\xe9\x68\x6a\x57\xd8\xe6\x31\xf2" "\x03\xf8\x57\xc8\x73\xbb\xdd\x3a\x03\x51\x25\x5f\x30\x6b\x36\x6e\xb9\xf1" "\x83\xdc\x2f\xb5\xa1\x7e\x44\x7f\x65\xc3", 208); memcpy( (void*)0x200000000300, "\x78\x9c\xec\xdd\x4b\x6c\x1c\x67\x1d\x00\xf0\xff\xac\xd7\xeb\xdd\x20\xa5" "\x4e\x9b\xa4\x05\x55\xaa\xd5\x48\x05\x61\x91\xd8\xb1\x1c\x30\x17\x02\x42" "\xc8\x87\x0a\x55\xe5\xc0\xd9\x4a\x9c\xc6\xca\xc6\xa9\x6c\x17\x39\x11\x22" "\x6e\x81\x3b\x07\x4e\x9c\xca\xc1\xb7\x8a\x03\x2a\xf7\x48\x70\xa6\xaa\x84" "\x2a\x71\xf2\x81\x43\x25\xa4\x5e\xca\xc5\xe2\x62\x34\xb3\x33\xfb\xb0\x67" "\x1f\x8e\x5f\x49\xf9\xfd\xac\x99\xf9\xe6\x7b\xcd\x37\xff\xd9\x99\xd9\x87" "\xac\x09\xe0\xff\xd6\xe2\x74\x54\x9f\x44\x12\x8b\xd3\x6f\x6e\xa6\xeb\x3b" "\xdb\x73\xcd\xb1\xed\xb9\x89\xbc\xb8\x19\x11\xb5\x88\xa8\x44\x54\x5b\x8b" "\x48\x56\x23\x2b\xbd\x99\x4f\xf1\xf5\x34\x33\xaf\x9f\xf4\xd9\x4c\x12\x2b" "\x0b\x6f\x7f\xf6\xe5\xce\xe7\xad\xd5\x6a\x3e\x65\xf5\x93\x01\xed\xca\xd4" "\x0e\x66\x6d\xe5\x53\x4c\x45\xc4\x58\xbe\x3c\x68\xbc\x4f\x8f\x1f\xef\xdf" "\x7c\x4f\x7f\xb7\xfa\xf6\x37\xaa\xce\x1e\xa6\x01\xbb\x52\x04\x2e\xfe\x70" "\xa4\x5e\xe1\xc8\xf6\x0e\xd8\x6a\x97\x7d\xf4\x8f\x6c\x5e\xde\x30\xe9\x9a" "\x03\xcf\xab\xf4\xa6\x9e\x9e\xc8\x63\x65\xe7\xf3\x64\xc4\xb9\x88\xa8\x47" "\xb4\xee\xfa\x5b\x71\xa3\xdd\xe6\x79\xb6\x75\xd6\x03\x00\x00\x00\x80\xc3" "\x6a\x94\xe4\x55\x07\x37\x79\x61\x37\x76\x63\x33\xce\x9f\xd4\x90\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\xe0\xab\xa8\xeb\xf9\xff\x49\xfe\x7c\xff\x2c" "\x3d\x15\x49\xf1\xfc\xff\x5a\x56\xa3\xa5\x76\xa6\x83\xed\xab\xec\x41\x88" "\xbd\x3e\x9d\x68\x2d\x9f\x9c\xfc\x60\x00\x00\x00\x00\x00\x00\x00\xe0\xc4" "\xbd\xb6\x1b\xbb\xb1\x19\xe7\x8b\xf5\xbd\x24\xfb\xcd\xff\xf5\xfc\x77\xff" "\xd4\xd7\xe2\xbd\x58\x8f\xe5\x58\x8b\xab\xb1\x19\x4b\xb1\x11\x1b\xb1\x16" "\xb3\x11\x31\xd9\xd5\x51\x6d\x73\x69\x63\x63\x6d\x36\x6b\x19\x71\x71\x40" "\xcb\xeb\xf1\x49\x49\xcb\xeb\xfd\xc7\x78\xf3\x98\xf7\x19\x00\x00\x00\x00" "\x00\x00\x00\x9e\x71\xf5\x21\xe5\xf7\xc6\x0f\xe6\x7d\x10\x8b\x9d\xdf\xff" "\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe0\x59\x90\x44\x8c\xb5\x16" "\xd9\x74\x31\x5f\x46\x24\x95\x6a\x44\xd4\x8b\x7a\x5b\x11\x9f\x44\x44\xed" "\x2c\xc7\x7a\x48\x49\x59\xe6\x93\xd3\x1f\x07\x00\x00\x00\x1c\x49\xbd\x77" "\x35\xa9\x8f\xd0\xe6\x85\xc7\xb1\x1b\x9b\x71\xbe\x58\xdf\x4b\xb2\xcf\xfc" "\x97\xb3\xcf\xcb\xf5\x78\x2f\x56\x63\x23\x56\x62\x23\x9a\xb1\x1c\xb7\xf3" "\xcf\xd0\xe9\xa7\xfe\xca\xce\xf6\x5c\x73\x67\x7b\xee\x7e\x3a\x1d\xec\xf7" "\x87\x5f\x1c\x6a\xe8\x59\x8f\xd1\xfa\xee\xa1\x7c\xcb\xaf\x64\x35\x1a\x71" "\x27\x56\xb2\x9c\xab\x71\x2b\x92\xd8\xcb\x54\xf2\x5e\x5e\xd9\xd9\x9e\x4b" "\x97\xf7\xcb\xc7\xf5\x7e\x3a\xa6\xe4\x07\xb9\x01\xa3\x19\xeb\x4a\xdf\x4e" "\x67\x2f\x7f\x9c\xa5\x7f\xd7\xfb\x2d\x42\xf5\x50\xbb\xf8\x94\x2a\x7d\x4b" "\x26\xb3\xd2\xf1\x76\x44\x66\xf2\xb1\xa5\x2d\x2e\x14\x11\x28\x8f\xc4\xd0" "\xa3\x53\x1d\xb8\xa5\xd9\xa8\xb4\xbf\xf9\xb9\xd8\xbd\x95\x83\x11\xe9\x89" "\xf9\xde\xe3\x22\x77\xe0\xc6\xdf\x3f\xb7\xaf\x56\xe9\x37\x37\x67\x62\x7f" "\x24\xae\x47\xa5\x7d\x84\x2e\x0f\x8e\x79\xc4\x37\xff\xf2\xd1\xcf\xef\x36" "\x57\xef\xdd\xbd\xb3\x3e\xfd\xec\xec\x52\xa9\xc7\x43\x6b\xec\x8f\xc4\x5c" "\x57\x24\xfe\xf9\x15\x8a\xc4\x70\x33\x59\x24\x2e\xb5\xd7\x17\xe3\x27\xf1" "\xb3\x98\x8e\x2f\x26\xde\x8a\xb5\x58\x89\x5f\xc4\x52\x6c\xc4\xf2\x54\x51" "\xbe\x54\x7c\xa3\x9a\x46\x71\x70\xa4\x3e\x3d\xd7\xbd\xf6\xd6\xa8\x23\x6a" "\x5d\xbf\xca\xc6\x34\x15\x3d\x63\x8a\xa9\xf8\x71\x96\x5a\x8a\xd7\xb3\x63" "\x7a\x3e\x56\x22\x89\x07\x11\xb1\x1c\x37\xb2\xbf\xeb\x31\xdb\xbe\x1a\x74" "\x8e\xf0\xa5\xc1\xe3\xce\xce\xfa\xca\x08\x57\xda\xd8\xfd\x4f\xeb\x12\x1e" "\x71\xe5\x5b\x59\x46\x3b\x4c\xd1\xe8\xdf\xea\x4f\xa3\x46\xe2\x78\xa4\xd7" "\xba\x0b\x5d\x71\xed\xbe\xe6\x4e\x66\x65\xad\x9c\x7f\x7d\x90\xbe\x1a\x3a" "\x51\x7a\xb1\x34\x4a\xc5\xbd\x6e\xf4\xfb\x51\x97\xea\x37\xf2\x44\xda\xc3" "\xaf\x07\xde\x1f\x4e\x5b\x77\x24\x8a\xbb\x44\x31\xba\x97\xfa\xbd\x5e\x5a" "\x21\xfd\xe3\x5e\x3a\x5f\x6f\xae\xde\x5b\xbb\xbb\xf4\xee\x88\xdb\x7b\x23" "\x5f\xa6\xe7\xd1\x6f\x0f\x71\x97\x38\xf9\x88\xa5\x47\xf8\xc5\xa8\xe7\x3b" "\x77\x21\x9b\x27\xd9\x39\x35\x93\x95\xbd\xd4\xbe\xc3\xf6\xc6\xab\x96\xff" "\xe2\x52\x8c\x73\x7f\xd9\xa5\x76\xbb\xd6\x99\xfa\xd3\x78\x10\xb7\x7b\xce" "\xd4\xef\xc6\x7c\xcc\xc7\x42\x56\xfb\x72\x56\x7b\xfc\xc0\x1d\x2b\x2d\x7b" "\xb9\xdd\x53\xef\x35\x3c\x2d\x4b\xdf\x69\x55\xdb\x3f\xec\x74\xbf\xdf\x7a" "\x10\xcd\xd6\xfb\x21\x00\x9e\x6d\xe7\xbe\x7d\xae\xd6\xf8\x77\xe3\xef\x8d" "\x0f\x1b\xbf\x69\xdc\x6d\xbc\x59\xff\xd1\xc4\xf7\x26\x5e\xad\xc5\xf8\xdf" "\xc6\xbf\x5f\x9d\x19\x7b\xa3\xf2\x6a\xf2\xe7\xf8\x30\x7e\xd5\xf9\xfc\x0f" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x3c\xbd\xf5\x87\x8f\xee\x2d\x35\x9b\xcb\x6b\xe5\x89" "\x4a\x79\x51\x32\xb8\xd5\x52\xb3\xfd\xc4\xb7\x01\x75\x7a\x12\x49\xfe\xa8" "\x9c\x11\x2a\x27\xeb\x0f\x1f\xed\x0d\xed\x70\x70\x62\x22\x1f\xde\x21\x5a" "\x55\x46\x8b\xd8\xa1\x13\xc5\xd3\x1a\xbb\x8a\xc6\x22\xa2\xa4\xf2\xd4\xf1" "\x6d\xf4\x40\xe2\xbf\xad\xc7\x71\xed\x75\x72\xea\xc3\xf7\xb4\x08\xc9\x08" "\x9b\x48\xba\x02\xde\xc8\x7a\x4e\x1b\x3f\xf5\x98\x8b\x2d\x77\x72\xc6\x87" "\xb6\xda\x1b\x2f\x8d\xea\x09\x26\xa6\x8e\xd0\xbc\xda\x9b\x53\xbc\x60\xbb" "\xea\x1c\xea\xd5\x9b\x25\x1a\x65\xc7\xab\xcf\x8b\xad\x39\xe4\xc2\x31\x76" "\x0c\x17\x1f\xe0\x4c\x5d\xdb\xb8\xff\xee\xb5\xf5\x87\x8f\xbe\xb3\x72\x7f" "\xe9\x9d\xe5\x77\x96\x57\xc7\xe7\xe7\x17\x66\x16\xe6\x6f\xcc\x5d\xbb\xb3" "\xd2\x5c\x9e\x69\xcd\xbb\x1a\x9c\xca\xc3\x6f\x81\xd3\xd0\xfd\x76\xa2\xad" "\x16\x11\xaf\x0d\x6f\x3b\xe0\x41\xad\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\xc0\x09\x3a\x8d\xff\x85\x38\xeb\x7d\x04\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x9e\x6f\x8b\xd3\x51" "\x7d\x12\x49\xcc\xce\x5c\x9d\x49\xd7\x77\xb6\xe7\x9a\xe9\x54\xa4\x3b\x35" "\xab\x11\x51\x89\x88\xe4\x97\x11\xc9\x5f\x23\x6e\x46\x6b\x8a\xc9\xae\xee" "\x92\x7e\xdb\xf9\xfd\xca\xc2\xdb\x9f\x7d\xb9\xf3\x79\xa7\xaf\x6a\x51\xbf" "\x12\xb1\xd5\xb7\xdd\x68\xb6\xf2\x29\xa6\x22\x62\x2c\x5f\x1e\x57\x7f\xb7" "\x86\xf7\x57\xeb\x24\x27\x4a\x8a\x93\x76\x64\xd2\x80\x5d\x29\x02\x57\x3f" "\xda\x20\xe1\xc8\xfe\x17\x00\x00\xff\xff\x5b\x45\xf5\x20", 1814); syz_mount_image(/*fs=*/0x2000000002c0, /*dir=*/0x200000000180, /*flags=MS_NOEXEC|MS_NODEV*/ 0xc, /*opts=*/0x200000000a40, /*chdir=*/1, /*size=*/0x716, /*img=*/0x200000000300); } int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*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=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; loop(); return 0; }