// https://syzkaller.appspot.com/bug?id=3c49bda6eb263bae07109a0f840f367570285476 // 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$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 31 00} (length 0x8) // } // flags: mount_flags = 0x2010008 (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 { // errors_continue: buffer: {65 72 72 6f 72 73 3d 63 6f 6e 74 69 // 6e 75 65} (length 0xf) // } // comma: const = 0x2c (1 bytes) // } // fs_opt_elem[ext4_options] { // elem: union ext4_options { // commit: fs_opt["commit", fmt[hex, int32]] { // name: buffer: {63 6f 6d 6d 69 74} (length 0x6) // eq: const = 0x3d (1 bytes) // val: int32 = 0xb3 (18 bytes) // } // } // comma: const = 0x2c (1 bytes) // } // fs_opt_elem[ext4_options] { // elem: union ext4_options { // usrquota: buffer: {75 73 72 71 75 6f 74 61} (length 0x8) // } // 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 = 0x8 (18 bytes) // } // } // comma: const = 0x2c (1 bytes) // } // fs_opt_elem[ext4_options] { // elem: union ext4_options { // debug: buffer: {64 65 62 75 67} (length 0x5) // } // comma: const = 0x2c (1 bytes) // } // fs_opt_elem[ext4_options] { // elem: union ext4_options { // data_err_ignore: buffer: {64 61 74 61 5f 65 72 72 3d 69 67 6e // 6f 72 65} (length 0xf) // } // comma: const = 0x2c (1 bytes) // } // } // common: array[fs_opt_elem[fs_options_common]] { // } // null: const = 0x0 (1 bytes) // } // } // chdir: int8 = 0xff (1 bytes) // size: len = 0x548 (8 bytes) // img: ptr[in, buffer] { // buffer: (compressed buffer with length 0x548) // } // ] // returns fd_dir memcpy((void*)0x200000000040, "ext4\000", 5); memcpy((void*)0x200000000000, "./file1\000", 8); memcpy((void*)0x200000000080, "errors=continue", 15); *(uint8_t*)0x20000000008f = 0x2c; memcpy((void*)0x200000000090, "commit", 6); *(uint8_t*)0x200000000096 = 0x3d; sprintf((char*)0x200000000097, "0x%016llx", (long long)0xb3); *(uint8_t*)0x2000000000a9 = 0x2c; memcpy((void*)0x2000000000aa, "usrquota", 8); *(uint8_t*)0x2000000000b2 = 0x2c; memcpy((void*)0x2000000000b3, "journal_dev", 11); *(uint8_t*)0x2000000000be = 0x3d; sprintf((char*)0x2000000000bf, "0x%016llx", (long long)8); *(uint8_t*)0x2000000000d1 = 0x2c; memcpy((void*)0x2000000000d2, "debug", 5); *(uint8_t*)0x2000000000d7 = 0x2c; memcpy((void*)0x2000000000d8, "data_err=ignore", 15); *(uint8_t*)0x2000000000e7 = 0x2c; *(uint8_t*)0x2000000000e8 = 0; memcpy( (void*)0x200000001300, "\x78\x9c\xec\xdd\xcf\x6f\x1c\x57\x1d\x00\xf0\xef\xac\xbd\x8e\x93\x38\xb5" "\x0b\x1c\xa0\x52\x4b\x45\x8b\x92\x0a\xb2\x1b\xd7\xb4\xb5\x38\x94\x22\x21" "\x38\x55\x42\x94\x7b\x30\xf6\xc6\xb2\xb2\xf6\x46\xf6\xba\x8d\xad\x0a\x36" "\x7f\x01\x12\x42\x80\xc4\x09\x2e\x5c\x90\xf8\x03\x90\x50\x24\x2e\x1c\x11" "\x52\x24\x38\x83\x54\x04\x42\x90\x82\x04\x87\xd2\x41\xb3\x3b\x1b\x9b\xf5" "\xac\xbd\x31\x6b\x6f\xbc\xfe\x7c\xa4\xc9\xbc\x37\xbf\xbe\xdf\xe7\xf8\x8d" "\x67\x76\x9e\x66\x03\x38\xb7\x9e\x8f\x88\x37\x22\xe2\xc3\x34\x4d\x5f\x8a" "\x88\xd9\x7c\x79\x29\x9f\xa2\xd5\x99\xb2\xed\xde\x7f\xf8\xee\x72\x36\x25" "\x91\xa6\x6f\xfd\x2d\x89\x24\x5f\x96\x6d\x96\xa6\x69\xda\x3d\xe6\xe5\x7c" "\xb7\xe9\x88\xf8\xda\x57\x22\xbe\x99\xec\x0b\x38\x9d\xcf\x77\x76\x6f\x2f" "\xd5\xeb\xb5\xcd\xbc\x5a\x6d\xae\xdf\xa9\x6e\xed\xec\x5e\x5f\x5b\x5f\x5a" "\xad\xad\xd6\x36\x16\x16\xe6\x5f\x5d\x7c\x6d\xf1\x95\xc5\x1b\x43\x69\xe7" "\x95\x88\x78\xfd\x4b\x7f\xfa\xfe\x77\x7e\xfa\xe5\xd7\x7f\xf9\xd9\x77\xfe" "\x78\xf3\x2f\xd7\xbe\x95\xa5\x35\x93\xaf\xef\xb6\xe3\x18\x26\x0f\x5b\xd9" "\x69\x7a\xf9\xc2\x74\xcf\x0e\x9b\xc7\x0c\xf6\x24\xca\xda\x53\xfe\x20\xaf" "\x5c\x1c\x6c\x9f\x7b\x27\x99\x10\x00\x00\x7d\x65\xd7\xf8\x1f\x89\x88\x4f" "\x45\xc4\x4b\x31\x1b\x13\x87\x5f\xce\x02\x00\x00\x00\x67\x50\xfa\x85\x99" "\xf8\x20\xe9\x3c\xbf\x2b\x30\xd5\x67\x39\x00\x00\x00\x70\x86\x94\xda\x63" "\x60\x93\x52\x25\x1f\x0b\x30\x13\xa5\x52\xa5\xd2\x19\xc3\xfb\xb1\xb8\x54" "\xaa\x37\xb6\x9a\x9f\xb9\xd5\xd8\xde\x58\xe9\x8c\x95\x9d\x8b\x72\xe9\xd6" "\x5a\xbd\x76\x23\x1f\x2b\x3c\x17\xe5\x24\xab\xcf\xb7\xcb\x7b\xf5\x97\x7b" "\xea\x0b\x11\xf1\x74\x44\x7c\x6f\xf6\x62\xbb\x5e\x59\x6e\xd4\x57\x46\xfd" "\xe1\x07\x00\x00\x00\x9c\x13\x97\x7b\xee\xff\xff\x39\xdb\xb9\xff\x3f\x5c" "\x72\x3a\xc9\x01\x00\x00\x00\xc3\x33\x37\xea\x04\x00\x00\x00\x80\x13\xe7" "\xfe\x1f\x00\x00\x00\xc6\x5a\x79\xd4\x09\x00\x00\x00\x00\x27\xee\xab\x6f" "\xbe\x99\x4d\x69\xf7\xfb\xaf\x57\xde\xde\xd9\xbe\xdd\x78\xfb\xfa\x4a\x6d" "\xeb\x76\x65\x7d\x7b\xb9\xb2\xdc\xd8\xbc\x53\x59\x6d\x34\x56\xdb\xef\xec" "\x5b\x3f\xea\x78\xf5\x46\xe3\xce\xe7\x62\x63\xfb\x6e\xb5\x59\xdb\x6a\x56" "\xaf\xec\xec\xde\x5c\x6f\x6c\x6f\x34\x6f\xae\xc5\xf4\xa9\x34\x08\x00\x00" "\x00\x38\xe0\xe9\x4f\xde\xff\x7d\x12\x11\xad\xcf\x5f\x6c\x4f\x99\xa9\x51" "\x27\x05\x9c\x8a\xc9\x47\xa5\xee\x3b\x3d\x0b\x7a\xff\x1f\x9e\xea\xcc\xdf" "\x3b\xa5\xa4\x80\x53\x31\x31\xc0\x36\xef\x5d\x28\x5e\xee\x3a\x01\xce\xb6" "\xc9\xde\x05\x7d\xfa\x3a\x30\x7e\x8c\xff\x07\x8e\xfa\x46\x8f\xbe\x83\x77" "\x7e\xd3\x99\x95\x86\x9c\x0f\x00\x00\x30\x7c\x57\x3f\x51\xfc\xfc\xff\xe8" "\xeb\xf9\x96\x4b\x7e\x38\xe3\x74\x62\x38\xbf\x7a\x9e\xff\xa7\xb3\xa3\x4a" "\x04\x38\x75\xed\xe7\xff\x83\x0e\xe4\x71\xb1\x00\x63\xa5\x3c\xd0\x08\x40" "\x60\x9c\xfd\xbf\xcf\xff\x8f\x96\xa6\x8f\x95\x10\x00\x00\x30\x74\x33\xed" "\x29\x29\x55\xf2\x8f\xf7\x66\xa2\x54\xaa\x54\x22\xae\xb4\xbf\x16\xb0\x9c" "\xdc\x5a\xab\xd7\x6e\x44\xc4\x53\x11\xf1\xbb\xd9\xf2\x85\xac\x3e\xdf\xde" "\x33\x39\xf2\x9e\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\xe8\x48\xd3\x24\x52\x00\x00\x00\x60\xac\x45\x94" "\xfe\x9c\xfc\xaa\xf3\x2e\xff\xab\xb3\x2f\xce\xf4\x7e\x3e\x30\x95\xfc\xbb" "\xfd\x95\xc0\x53\x11\xf1\xce\x8f\xde\xfa\xc1\xdd\xa5\x66\x73\x73\x3e\x5b" "\xfe\xf7\x47\xcb\x9b\x3f\xcc\x97\xbf\x3c\x8a\x4f\x30\x00\x00\x00\x80\x5e" "\xdd\xfb\xf4\xf6\xfc\x5f\xa3\xce\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x71\xf3\xfe\xc3\x77\x97\xbb\xd3" "\x00\x9b\x5f\x1c\x56\xdc\xbf\x7e\x31\x22\xe6\x8a\xe2\x4f\xc6\x74\x7b\x3e" "\x1d\xe5\x88\xb8\xf4\x8f\x24\x26\xf7\xed\x97\x44\xc4\xc4\x10\xe2\xb7\xee" "\x45\xc4\xc7\x8b\xe2\x27\x59\x5a\x8f\x42\x16\xc5\x1f\xc6\x0f\xa1\x75\x2f" "\x69\xa5\x6d\x85\xf1\x63\x2e\xff\x29\x14\xc5\xbf\x3c\x84\xf8\x70\x9e\xdd" "\xcf\xce\x3f\x6f\x14\xf5\xff\x52\x3c\xdf\x9e\x17\xf7\xbf\xc9\x88\xff\xa9" "\x1f\x57\xff\xf3\x5f\x3c\x3a\xff\x4d\xf4\xe9\xff\x57\x06\x8c\xf1\xcc\x83" "\x9f\x57\xfb\xc6\xbf\x17\xf1\xcc\x64\xf1\xf9\xaf\x1b\x3f\xe9\x13\xff\x85" "\x81\xa2\x97\xe3\x1b\x5f\xdf\xdd\xed\xb7\x36\xfd\x71\xc4\xd5\xee\xdf\x9f" "\xf6\x19\x6f\x7f\x84\xbd\x52\xb5\xb9\x7e\xa7\xba\xb5\xb3\x7b\x7d\x6d\x7d" "\x69\xb5\xb6\x5a\xdb\x58\x58\x98\x7f\x75\xf1\xb5\xc5\x57\x16\x6f\x54\x6f" "\xad\xd5\x6b\xf9\xbf\x85\x31\xbe\xfb\xec\x2f\x3e\x3c\xac\xfd\x97\x0a\xff" "\xfe\x25\x79\x36\xfd\xdb\xff\x62\xc1\xf1\x26\x0a\xf2\xff\xcf\x83\xbb\x0f" "\x3f\xda\xad\xb4\x0e\xc6\xbf\xf6\x42\x41\xfc\x5f\xff\x24\xdf\xe2\x60\xfc" "\x52\x1e\xe7\xd3\x79\x39\x5b\x7f\xb5\x5b\x6e\x75\xca\xfb\x3d\xf7\xb3\xdf" "\x3e\x77\x58\xfb\x57\xf6\xda\x5f\x7e\x9c\xff\xff\x6b\xfd\x0e\xda\xeb\x40" "\x47\x79\x76\xb0\x5f\x1d\x00\xe0\x44\x6c\xed\xec\xde\x5e\xaa\xd7\x6b\x9b" "\x63\x5b\xc8\xee\xd2\x9f\x80\x34\x8e\x53\x98\x8a\x27\x22\x8d\xf1\x2d\x7c" "\x3b\x2b\x3c\x18\xd6\x01\xd3\x34\x4d\xb3\x3e\x55\xb0\xea\x7e\x44\x0c\x72" "\x9c\x24\x86\xdc\xd2\x52\x71\x3e\x7b\x85\xbe\x67\x80\x51\x9f\x99\x00\x00" "\x80\x61\xdb\xbb\xe8\x1f\x75\x26\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x70\x7e\x9d\xc6\x5b\xd6\x7a\x63\xee\xbd\x02\x39\x19" "\xc6\x2b\xb4\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\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x86\xe2\xbf\x01\x00\x00\xff\xff\xb8\x06" "\xdc\x07", 1352); syz_mount_image(/*fs=*/0x200000000040, /*dir=*/0x200000000000, /*flags=MS_LAZYTIME|MS_POSIXACL|MS_NOEXEC*/ 0x2010008, /*opts=*/0x200000000080, /*chdir=*/-1, /*size=*/0x548, /*img=*/0x200000001300); } 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; }