// https://syzkaller.appspot.com/bug?id=6b6e03530019b8a963c3a30f2f923d934b5639a6 // 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 #include #include #ifndef __NR_memfd_create #define __NR_memfd_create 319 #endif #ifndef __NR_pwritev2 #define __NR_pwritev2 328 #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 void use_temporary_dir(void) { char tmpdir_template[] = "./syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); syscall(SYS_futex, &ev->state, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1000000); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, 0); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout) { uint64_t start = current_time_ms(); uint64_t now = start; for (;;) { uint64_t remain = timeout - (now - start); struct timespec ts; ts.tv_sec = remain / 1000; ts.tv_nsec = (remain % 1000) * 1000 * 1000; syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, &ts); if (__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) return 1; now = current_time_ms(); if (now - start > timeout) return 0; } } 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; } #define FS_IOC_SETFLAGS _IOW('f', 2, long) static void remove_dir(const char* dir) { int iter = 0; DIR* dp = 0; const int umount_flags = MNT_FORCE | UMOUNT_NOFOLLOW; retry: while (umount2(dir, umount_flags) == 0) { } dp = opendir(dir); if (dp == NULL) { if (errno == EMFILE) { exit(1); } exit(1); } struct dirent* ep = 0; while ((ep = readdir(dp))) { if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0) continue; char filename[FILENAME_MAX]; snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name); while (umount2(filename, umount_flags) == 0) { } struct stat st; if (lstat(filename, &st)) exit(1); if (S_ISDIR(st.st_mode)) { remove_dir(filename); continue; } int i; for (i = 0;; i++) { if (unlink(filename) == 0) break; if (errno == EPERM) { int fd = open(filename, O_RDONLY); if (fd != -1) { long flags = 0; if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) { } close(fd); continue; } } if (errno == EROFS) { break; } if (errno != EBUSY || i > 100) exit(1); if (umount2(filename, umount_flags)) exit(1); } } closedir(dp); for (int i = 0;; i++) { if (rmdir(dir) == 0) break; if (i < 100) { if (errno == EPERM) { int fd = open(dir, O_RDONLY); if (fd != -1) { long flags = 0; if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) { } close(fd); continue; } } if (errno == EROFS) { break; } if (errno == EBUSY) { if (umount2(dir, umount_flags)) exit(1); continue; } if (errno == ENOTEMPTY) { if (iter < 100) { iter++; goto retry; } } } exit(1); } } 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"); if (symlink("/dev/binderfs", "./binderfs")) { } } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void execute_one(void) { if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } int i, call, thread; for (call = 0; call < 6; call++) { for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); thread++) { struct thread_t* th = &threads[thread]; if (!th->created) { th->created = 1; event_init(&th->ready); event_init(&th->done); event_set(&th->done); thread_start(thr, th); } if (!event_isset(&th->done)) continue; event_reset(&th->done); th->call = call; __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); event_set(&th->ready); event_timedwait(&th->done, 50 + (call == 0 ? 4000 : 0) + (call == 1 ? 4000 : 0)); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); } static void execute_one(void); #define WAIT_FLAGS __WALL static void loop(void) { int iter = 0; for (;; iter++) { char cwdbuf[32]; sprintf(cwdbuf, "./%d", iter); if (mkdir(cwdbuf, 0777)) exit(1); reset_loop(); int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { if (chdir(cwdbuf)) exit(1); 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; } remove_dir(cwdbuf); } } uint64_t r[1] = {0xffffffffffffffff}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: // syz_mount_image$exfat arguments: [ // fs: ptr[in, buffer] { // buffer: {65 78 66 61 74 00} (length 0x6) // } // dir: ptr[in, buffer] { // buffer: {e9 1f 71 89 59 1e 92 33 61 4b 00} (length 0xb) // } // flags: mount_flags = 0x20004c48 (8 bytes) // opts: ptr[inout, array[ANYUNION]] { // array[ANYUNION] { // union ANYUNION { // ANYBLOB: buffer: {69 6f 63 68 61 72 73 65 74 3d 61 73 63 69 69 // 2c 64 69 73 63 61 72 64 2c 64 6d 61 73 6b 3d 30 30 30 30 30 30 // 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 37 2c 75 69 64 // 3d} (length 0x3a) // } // union ANYUNION { // ANYRES32: ANYRES32 (resource) // } // union ANYUNION { // ANYBLOB: buffer: {00 64 6d 61 73 6b 3d 30 30 30 30 30 30 30 30 // 30 30 30 30 30 31 35 32 2c 69 6f 63 68 61 72 03 00 00 00 69 73 // 6f 38 38 35 39 2d 31 2c 67 69 64 3d 00 00 00 00 00 00 00} // (length 0x37) // } // union ANYUNION { // ANYRESHEX: ANYRES64 (resource) // } // union ANYUNION { // ANYRESHEX: ANYRES64 (resource) // } // union ANYUNION { // ANYBLOB: buffer: {1e 14 56 b9 7f 43 02 00 78 42 3f ad 85 69 49 // 4e 28 e5 8b d8 8d 6b 50 2c fe 94 39 56 d9 f8 ef de 4f 86 59 ce // 67 cc 37 b7 e1 d9 88 63 81 75 e2 db 1b 65 4d cc c1 a2 03 85 0b // 09 87 3b 01 84 82 22 57 d4 c1 2a af 0b 5e fe 21 05 30 1b 58 5b // 58 25 6d 90 ff fa 59 ec e5 88 21 78 fb 53 3b 8e d9 9c 4c 2c 6d // 1b a6 d7 f5 da c0 ca d0 ea ee e7 64 79 fb 48 8f 67 03 7b 1b 2a // 88 0c 53 fe 95 2d 63 2b a0 34 c8 d2 75 8f 1b d9 25 65 02 41 44 // b0 86 2c b3 63 9c 53 4e 32 38 06 be 01 dd 7a 62 52 a5 99 9b 81 // aa 1f 34 d1 3a cf 87 2b bb fc 5b b3 bd 8b 2c fe 4d b9 83 8e 94} // (length 0xb7) // } // union ANYUNION { // ANYRESOCT: ANYRES64 (resource) // } // } // } // chdir: int8 = 0x81 (1 bytes) // size: len = 0x14f5 (8 bytes) // img: ptr[in, buffer] { // buffer: (compressed buffer with length 0x14f5) // } // ] // returns fd_dir memcpy((void*)0x200000002b80, "exfat\000", 6); memcpy((void*)0x200000000280, "\351\037q\211Y\036\2223aK\000", 11); memcpy((void*)0x2000000003c0, "iocharset=ascii,discard,dmask=00000000000000000000007,uid=", 58); *(uint32_t*)0x2000000003fa = -1; memcpy((void*)0x2000000003fe, "\x00\x64\x6d\x61\x73\x6b\x3d\x30\x30\x30\x30\x30\x30\x30\x30\x30" "\x30\x30\x30\x30\x31\x35\x32\x2c\x69\x6f\x63\x68\x61\x72\x03\x00" "\x00\x00\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x67\x69\x64\x3d" "\x00\x00\x00\x00\x00\x00\x00", 55); sprintf((char*)0x200000000435, "0x%016llx", (long long)-1); sprintf((char*)0x200000000447, "0x%016llx", (long long)-1); memcpy( (void*)0x200000000459, "\x1e\x14\x56\xb9\x7f\x43\x02\x00\x78\x42\x3f\xad\x85\x69\x49\x4e\x28" "\xe5\x8b\xd8\x8d\x6b\x50\x2c\xfe\x94\x39\x56\xd9\xf8\xef\xde\x4f\x86" "\x59\xce\x67\xcc\x37\xb7\xe1\xd9\x88\x63\x81\x75\xe2\xdb\x1b\x65\x4d" "\xcc\xc1\xa2\x03\x85\x0b\x09\x87\x3b\x01\x84\x82\x22\x57\xd4\xc1\x2a" "\xaf\x0b\x5e\xfe\x21\x05\x30\x1b\x58\x5b\x58\x25\x6d\x90\xff\xfa\x59" "\xec\xe5\x88\x21\x78\xfb\x53\x3b\x8e\xd9\x9c\x4c\x2c\x6d\x1b\xa6\xd7" "\xf5\xda\xc0\xca\xd0\xea\xee\xe7\x64\x79\xfb\x48\x8f\x67\x03\x7b\x1b" "\x2a\x88\x0c\x53\xfe\x95\x2d\x63\x2b\xa0\x34\xc8\xd2\x75\x8f\x1b\xd9" "\x25\x65\x02\x41\x44\xb0\x86\x2c\xb3\x63\x9c\x53\x4e\x32\x38\x06\xbe" "\x01\xdd\x7a\x62\x52\xa5\x99\x9b\x81\xaa\x1f\x34\xd1\x3a\xcf\x87\x2b" "\xbb\xfc\x5b\xb3\xbd\x8b\x2c\xfe\x4d\xb9\x83\x8e\x94", 183); sprintf((char*)0x200000000510, "%023llo", (long long)-1); memcpy( (void*)0x200000008380, "\x78\x9c\xec\xdc\x0b\x98\x8e\x55\xd7\x38\xf0\xbd\xf6\xde\x37\x63\x9a" "\xf4\x34\xc9\x61\xd8\x6b\xaf\x9b\x27\x0d\xb6\x49\x92\x1c\x12\x72\x48" "\x92\x24\x49\x72\x4a\x48\x9a\x24\x49\x48\x0c\x39\x25\x0d\x49\xc8\x71" "\x92\x1c\x86\x90\x1c\xa6\x31\x69\x9c\xcf\x87\x9c\x93\x26\xaf\x34\x49" "\x12\x92\x53\xd8\xff\x4b\xef\xfb\x7d\xde\xf7\xeb\xfd\xbe\xbe\xef\xff" "\xf6\xff\xbb\xae\x6f\xd6\xef\xba\xf6\x35\x7b\xcd\xfd\xac\xf5\xac\x7b" "\xd6\x5c\xf3\xdc\xf7\x73\x5d\xf3\xfc\xd0\x73\x54\xbd\x16\xf5\x6b\x37" "\x23\x22\xf1\x2f\x81\xbf\x7e\x49\x11\x42\xc4\x08\x21\x86\x09\x21\x6e" "\x10\x42\x04\x42\x88\x4a\xf1\x95\xe2\xaf\x1c\x2f\xa0\x20\xe5\x5f\x7b" "\x12\xf6\xe7\x7a\x34\xfd\x5a\x77\xc0\xae\x25\x9e\x7f\xde\xc6\xf3\xcf" "\xdb\x78\xfe\x79\x1b\xcf\x3f\x6f\xe3\xf9\xe7\x6d\x3c\xff\xbc\x8d\xe7" "\x9f\xb7\xf1\xfc\x19\xcb\xcb\xb6\xcf\x29\x76\x23\xaf\xbc\xbb\xf8\xfd" "\xff\xbc\x8c\x5f\xff\xff\x17\xc9\x2d\x3f\xf9\x9b\x8d\xe5\x6f\xee\xf5" "\x3f\x48\xe1\xf9\xe7\x6d\x3c\xff\xbc\x8d\xe7\x9f\xb7\xf1\xfc\xf3\x36" "\x9e\x7f\xde\xc6\xf3\xff\xdf\xaf\xd6\x7f\x71\x8c\xe7\x9f\xb7\xf1\xfc" "\x19\xcb\xcb\xae\xf5\xfb\xcf\xbc\xae\xed\xba\xd6\xbf\x7f\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\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\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\xf2\x86\x73\xfe\x2a\x2d\x84\xf8\xb7\xfd\xb5" "\xee\x8b\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x7f\x1e\x9f\xff\x5a\x77" "\xc0\x18\x63\x8c\x31\xc6\x18\x63\x8c\xb1\xff\xf7\x40\x48\xa1\x84\x16" "\x81\xc8\x27\xf2\x8b\x18\x51\x40\xc4\x8a\xeb\x44\x9c\xb8\x5e\x14\x14" "\x37\x88\x88\xb8\x51\xc4\x8b\x9b\x44\x21\x71\xb3\x28\x2c\x8a\x88\xa2" "\xa2\x98\x48\x10\xc5\x45\x09\x61\x04\x0a\x2b\x48\x84\xa2\xa4\x28\x25" "\xa2\xe2\x16\x51\x5a\xdc\x2a\x12\x45\x19\x51\x56\x94\x13\x4e\x94\x17" "\x49\xe2\x36\x51\x41\xdc\x2e\x2a\x8a\x3b\x44\x25\x71\xa7\xa8\x2c\xee" "\x12\x55\x44\x55\x51\x4d\x54\x17\x77\x8b\x1a\xe2\x1e\x51\x53\xd4\x12" "\xb5\xc5\xbd\xa2\x8e\xa8\x2b\xea\x89\xfa\xe2\x3e\xd1\x40\xdc\x2f\x1a" "\x8a\x07\x44\x23\xf1\xa0\x68\x2c\x1e\x12\x4d\xc4\xc3\xa2\xa9\x78\x44" "\x34\x13\x8f\x8a\xe6\xe2\x31\xd1\x42\x3c\x2e\x5a\x8a\x27\x44\x2b\xd1" "\x5a\xb4\x11\x6d\x45\xbb\xff\xab\xfc\x57\x44\x5f\xf1\xaa\xe8\x27\xfa" "\x8b\x14\x31\x40\x0c\x14\xaf\x89\x41\x62\xb0\x18\x22\x86\x8a\x61\xe2" "\x75\x31\x5c\xbc\x21\x46\x88\x37\x45\xaa\x18\x29\x46\x89\xb7\xc4\x68" "\xf1\xb6\x18\x23\xde\x11\x63\xc5\x38\x31\x5e\xbc\x2b\x26\x88\x89\x62" "\x92\x98\x2c\xa6\x88\xa9\x22\x4d\xbc\x27\xa6\x89\xf7\xc5\x74\xf1\x81" "\x98\x21\x66\x8a\x59\x62\xb6\x48\x17\x73\xc4\x5c\xf1\xa1\x98\x27\xe6" "\x8b\x05\xe2\x23\xb1\x50\x7c\x2c\x16\x89\xc5\x62\x89\x58\x2a\x32\xc4" "\x27\x22\x53\x2c\x13\x59\xe2\x53\xb1\x5c\x7c\x26\xb2\xc5\x0a\xb1\x52" "\xac\x12\xab\xc5\x1a\xb1\x56\xac\x13\xeb\xc5\x06\xb1\x51\x6c\x12\x9b" "\xc5\x16\xb1\x55\x6c\x13\xdb\xc5\xe7\x62\x87\xd8\x29\x76\x89\xdd\x62" "\x8f\xd8\x2b\xf6\x89\x2f\xc4\x7e\xf1\xa5\x38\x20\xbe\x12\x39\xe2\xeb" "\xff\x61\xfe\xd9\xff\x90\xdf\x0b\x04\x08\x90\x20\x41\x83\x86\x7c\x90" "\x0f\x62\x20\x06\x62\x21\x16\xe2\x20\x0e\x0a\x42\x41\x88\x40\x04\xe2" "\x21\x1e\x0a\x41\x21\x28\x0c\x85\xa1\x28\x14\x85\x04\x48\x80\x12\x50" "\x02\x10\x10\x08\x08\x4a\x42\x49\x88\x42\x14\x4a\x43\x69\x48\x84\x44" "\x28\x0b\x65\xc1\x81\x83\x24\x48\x82\x0a\x70\x3b\x54\x84\x8a\x50\x09" "\x2a\x41\x65\xa8\x0c\x55\xa0\x2a\x54\x85\xea\x50\x1d\x6a\x40\x0d\xa8" "\x09\x35\xa1\x36\xd4\x86\x3a\x50\x07\xea\x41\x3d\xb8\x0f\xee\x83\xfb" "\xa1\x21\x34\x84\x46\xd0\x08\x1a\x43\x63\x68\x02\x4d\xa0\x29\x34\x85" "\x66\xd0\x0c\x9a\x43\x73\x68\x01\x2d\xa0\x25\xb4\x84\x56\xd0\x0a\xda" "\x40\x1b\x68\x07\xed\xa0\x3d\xb4\x87\x0e\xd0\x01\x3a\x41\x27\xe8\x0c" "\x9d\xa1\x0b\x74\x81\x64\x48\x86\xae\xd0\x15\xba\x41\x37\xe8\x0e\xdd" "\xa1\x07\xf4\x80\x9e\xd0\x13\x7a\x41\x6f\xe8\x0d\xaf\xc0\x2b\xf0\x2a" "\xbc\x0a\xfd\xa1\x8e\x1c\x00\x03\x61\x20\x0c\x82\x41\x30\x04\x86\xc2" "\x50\x78\x1d\x86\xc3\x1b\xf0\x06\xbc\x09\xa9\x30\x12\x46\xc1\x5b\xf0" "\x16\xbc\x0d\x63\xe0\x0c\x8c\x85\x71\x30\x1e\xc6\x43\x0d\x39\x11\x26" "\xc1\x64\x20\x39\x15\xd2\x20\x0d\xa6\xc1\x34\x98\x0e\xd3\x61\x06\xcc" "\x84\x99\x30\x1b\xd2\x61\x0e\xcc\x85\xb9\x30\x0f\xe6\xc3\x7c\xf8\x08" "\x16\xc2\xc7\xf0\x31\x2c\x86\xc5\xb0\x14\x32\x20\x03\x32\x61\x19\x64" "\x41\x16\x2c\x87\xb3\x90\x0d\x2b\x60\x25\xac\x82\xd5\xb0\x06\x56\xc3" "\x3a\x58\x0f\xeb\x60\x23\x6c\x82\x8d\xb0\x05\xb6\xc0\x36\xd8\x06\x9f" "\xc3\xe7\xb0\x13\x76\xc2\x6e\xd8\x0d\x7b\x61\x2f\x7c\x01\x5f\xc0\x97" "\xf0\x25\xa4\x42\x0e\xe4\xc0\x41\x38\x08\x87\xe0\x10\x1c\x86\xc3\x90" "\x0b\xb9\x70\x04\x8e\xc0\x51\x38\x0a\xc7\xe0\x18\x1c\x87\xe3\x70\x02" "\x4e\xc2\x29\x38\x09\xa7\xe1\x34\x9c\x81\xb3\x70\x0e\xce\xc1\x05\xb8" "\x00\x17\xe1\xa5\x84\xef\x9a\xef\x2d\xb3\x21\x55\xc8\x2b\xb4\xd4\x32" "\x9f\xcc\x27\x63\x64\x8c\x8c\x95\xb1\x32\x4e\xc6\xc9\x82\xb2\xa0\x8c" "\xc8\x88\x8c\x97\xf1\xb2\x90\x2c\x24\x0b\xcb\xc2\xb2\xa8\x2c\x2a\x13" "\x64\x82\x2c\x21\x4b\x48\x94\x28\x49\x86\xb2\xa4\x2c\x29\xa3\x32\x2a" "\x4b\xcb\xd2\x32\x51\x26\xca\xb2\xb2\xac\x74\xd2\xc9\x24\x99\x24\x2b" "\xc8\x0a\xb2\xa2\xac\x28\x2b\xc9\x3b\x65\x65\x79\x97\xac\x22\xab\xca" "\x8e\xae\xba\xac\x2e\x6b\xc8\x4e\xae\xa6\xac\x25\x6b\xcb\xda\xb2\x8e" "\xac\x2b\xeb\xc9\xfa\xb2\xbe\x6c\x20\x1b\xc8\x86\xb2\xa1\x6c\x24\x1b" "\xc9\xc6\xb2\xb1\x6c\x22\x1f\x96\x4d\xe5\x00\x18\x02\x8f\xca\x2b\x93" "\x69\x21\x47\x42\x4b\x39\x0a\x5a\xc9\xd6\xb2\x8d\x6c\x2b\xdf\x86\x27" "\x65\x7b\x39\x06\x3a\xc8\x8e\xb2\x93\x7c\x5a\x8e\x83\xb1\xd0\x45\xb6" "\x77\xc9\xf2\x39\xd9\x55\x4e\x82\x6e\xf2\x05\x39\x19\x5e\x94\x3d\xe4" "\x54\xe8\x29\x5f\x96\xbd\x64\x6f\xd9\x47\xbe\x22\xfb\xca\x0e\xae\x9f" "\xec\x2f\x67\xc0\x00\x39\x50\xce\x86\x41\x72\xb0\x1c\x22\x87\xca\x79" "\x50\x57\x5e\x99\x58\x3d\xf9\xa6\x4c\x95\x23\xe5\x28\xf9\x96\x5c\x0a" "\x6f\xcb\x31\xf2\x1d\x39\x56\x8e\x93\xe3\xe5\xbb\x72\x82\x9c\x28\x27" "\xc9\xc9\x72\x8a\x9c\x2a\xd3\xe4\x7b\x72\x9a\x7c\x5f\x4e\x97\x1f\xc8" "\x19\x72\xa6\x9c\x25\x67\xcb\x74\x39\x47\xce\x95\x1f\xca\x79\x72\xbe" "\x5c\x20\x3f\x92\x0b\xe5\xc7\x72\x91\x5c\x2c\x97\xc8\xa5\x32\x43\x7e" 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"\x7b\x69\x1f\x7d\x41\xfb\xe9\x4b\x3a\x40\x5f\x51\x0e\x7d\x4d\x07\xe9" "\x2f\x74\x88\xbe\xa1\xc3\xf4\x2d\xe5\xd2\x77\x74\x84\xbe\xa7\xa3\xf4" "\x03\x1d\xa3\x1f\xe9\x38\xfd\x44\x27\xe8\x24\x9d\xa2\x9f\xe9\x34\xfd" "\x42\x67\xe8\x2c\x9d\xa3\xf3\x74\x81\x7e\xa5\x8b\x74\x89\x2e\x93\x27" "\x11\x42\x28\x43\x15\xea\x30\x08\xf3\x85\xf9\xc3\x98\xb0\x40\x18\x1b" "\x5e\x17\xc6\x85\xd7\x87\x05\xc3\x1b\xc2\x48\x78\x63\x18\x1f\xde\x14" "\x16\x0a\x6f\x0e\x0b\x87\x45\xc2\xa2\x61\xb1\x30\x21\x2c\x1e\x96\x08" "\x4d\x88\xa1\x0d\x29\x0c\xc3\x92\x61\xa9\x30\x1a\xde\x12\x96\x0e\x6f" "\x0d\x13\xc3\x32\x61\xd9\xb0\x5c\xe8\xc2\xf2\x61\x52\x78\x5b\x58\x21" "\xbc\x3d\xac\x18\xde\x11\x56\x0a\xef\x0c\x2b\x87\x77\x85\x55\xc2\xaa" "\xe1\xe3\x0f\x56\x0f\xef\x0e\x6b\x84\xf7\x84\x35\xc3\x5a\x61\xed\xf0" "\xde\xb0\x4e\x58\x37\xac\x17\xd6\x0f\xef\x0b\x1b\x84\xf7\x87\x0d\xc3" "\x07\xc2\x46\xe1\x83\x61\xc5\xf0\xa1\xb0\x49\xf8\x70\xd8\x34\x7c\x24" "\x6c\x16\x3e\x1a\x36\x0f\x1f\x0b\x5b\x84\x8f\x87\x2d\xc3\x27\xc2\x56" "\x61\xeb\xb0\x4d\xd8\x36\x6c\x17\x3e\x19\xb6\x0f\x9f\x0a\x3b\x84\x1d" "\xc3\x4e\xe1\xd3\x61\xe7\xf0\x99\xb0\x4b\xf8\x6c\x98\x1c\x3e\x17\x76" "\x0d\x9f\xff\xc3\xe3\x29\xe1\x80\x70\x60\xf8\x5a\xf8\x5a\xe8\xfd\x03" "\x6a\x49\x74\x69\x34\x23\xfa\x49\x34\x33\xba\x2c\x9a\x15\xfd\x34\xba" "\x3c\xfa\x59\x34\x3b\xba\x22\xba\x32\xba\x2a\xba\x3a\xba\x26\xba\x36" "\xba\x2e\xba\x3e\xba\x21\xba\x31\xba\x29\xba\x39\xba\x25\xba\x35\xba" "\x2d\xea\x7d\xfd\xfc\xc2\x81\x93\x4e\x39\xed\x02\x97\xcf\xe5\x77\x31" "\xae\x80\x8b\x75\xd7\xb9\x38\x77\xbd\x2b\xe8\x6e\x70\x11\x77\xa3\x8b" "\x77\x37\xb9\x42\xee\x66\x57\xd8\x15\x71\x45\x5d\x31\x97\xe0\x8a\xbb" "\x12\xce\x38\x74\xd6\x91\x0b\x5d\x49\x57\xca\x45\xdd\x2d\xae\xb4\xbb" "\xd5\x25\xba\x32\xae\xac\x2b\xe7\x9c\x2b\xef\x92\x5c\x5b\xd7\xce\xb5" "\x73\xed\xdd\x53\xae\x83\xeb\xe8\x3a\xb9\xa7\xdd\xd3\xee\x19\xf7\x8c" "\x7b\xd6\x3d\xeb\x9e\x73\x5d\xdd\xf3\xae\x9b\x7b\xc1\x75\x77\x2f\xba" "\x1e\xee\x25\xf7\x92\x7b\xd9\xf5\x72\xbd\x5d\x1f\xf7\x8a\xeb\xeb\x5e" "\x75\xfd\x5c\x7f\x97\xe2\x52\xdc\x40\x37\xd0\x0d\x72\x83\xdc\x10\x37" "\xc4\x0d\x73\xc3\xdc\x70\x37\xdc\x8d\x70\x23\x5c\xaa\x4b\x75\xa3\xdc" "\x28\x37\xda\x8d\x76\x63\xdc\x18\x37\xd6\x8d\x75\xe3\xdd\x78\x37\xc1" "\x4d\x70\x93\xdc\x24\x37\xc5\x4d\x71\x69\x2e\xcd\x4d\x73\xd3\xdc\x74" "\x37\xdd\xcd\x70\x33\xdc\x2c\x37\xcb\xa5\xbb\x74\x37\xd7\xcd\x75\xf3" "\xdc\x3c\xb7\xc0\x2d\x70\x0b\x13\x17\xba\x45\x6e\x91\x5b\xe2\x96\xb8" "\x0c\x97\xe1\x32\x5d\xa6\xcb\x72\x59\x6e\xb9\x5b\xee\xb2\x5d\xb6\x5b" "\xe9\x56\xba\xd5\x6e\xb5\x5b\xeb\xd6\xba\xf5\x6e\xbd\xdb\xe8\x36\xba" "\xcd\x6e\xb3\xdb\xea\xb6\xba\xed\x6e\xbb\xdb\xe1\x76\xb8\x5d\x6e\x97" "\xdb\xe3\xf6\xb8\x7d\x6e\x9f\xdb\xef\xf6\xbb\x03\xee\x80\xcb\x71\x39" "\xee\xa0\x3b\xe8\x0e\xb9\x43\xee\xb0\xfb\xd6\xe5\xba\xef\xdc\x11\xf7" "\xbd\x3b\xea\x7e\x70\xc7\xdc\x8f\xee\xb8\xfb\xc9\x9d\x70\x27\xdd\x29" "\xf7\xb3\x3b\xed\x7e\x71\x67\xdc\x59\x77\xce\x9d\x77\x17\xdc\xaf\xee" "\xa2\xbb\xe4\x2e\x3b\xef\xd2\x22\xef\x45\xa6\x45\xde\x8f\x4c\x8f\x7c" "\x10\x99\x11\x99\x19\x99\x15\x99\x1d\x49\x8f\xcc\x89\xcc\x8d\x7c\x18" "\x99\x17\x99\x1f\x59\x10\xf9\x28\xb2\x30\xf2\x71\x64\x51\x64\x71\x64" "\x49\x64\x69\x24\x23\xf2\x49\x24\x33\xb2\x2c\x92\x15\xf9\x34\xb2\x3c" "\xf2\x59\x24\x3b\xb2\x22\xb2\x32\xb2\x2a\xb2\x3a\xb2\x26\xe2\x7d\xf1" "\x1d\xa1\x2f\xe9\x4b\xf9\xa8\xbf\xc5\x97\xf6\xb7\xfa\x44\x5f\xc6\x97" "\xf5\xe5\xbc\xf3\xe5\x7d\x92\xbf\xcd\x57\xf0\xb7\xfb\x8a\xfe\x0e\x5f" "\xc9\xdf\xe9\x2b\xfb\xbb\x7c\x15\x5f\xd5\x57\xf3\x4f\xf8\x56\xbe\xb5" "\x6f\xe3\xdb\xfa\x76\xfe\x49\xdf\xde\x3f\xe5\x3b\xf8\x8e\xbe\x93\x7f" "\xda\x77\xf6\xcf\xf8\x2e\xfe\x59\x9f\xec\x9f\xf3\x5d\xfd\xf3\xbe\x9b" "\x7f\xc1\x77\xf7\x2f\xfa\x1e\xfe\x25\xdf\xd3\xbf\xec\x7b\xf9\xde\xbe" "\x8f\x7f\xc5\xf7\xf5\xaf\xfa\x7e\xbe\xbf\x4f\xf1\x03\xfc\x40\xff\x9a" "\x1f\xe4\x07\xfb\x21\x7e\xa8\x1f\xe6\x5f\xf7\xc3\xfd\x1b\x7e\x84\x7f" "\xd3\xa7\xfa\x91\x7e\x94\x7f\xcb\x8f\xf6\x6f\xfb\x31\xfe\x1d\x3f\xd6" "\x8f\xf3\xe3\xfd\xbb\x7e\x82\x9f\xe8\x27\xf9\xc9\x7e\x8a\x9f\xea\xd3" "\xfc\x7b\x7e\x9a\x7f\xdf\x4f\xf7\x1f\xf8\x19\x7e\xa6\x9f\xe5\x67\xfb" "\x74\x3f\xc7\xcf\xf5\x1f\xfa\x79\x7e\xbe\x5f\xe0\x3f\xf2\x0b\xfd\xc7" "\x7e\x91\x5f\xec\x97\xf8\xa5\x3e\xc3\x7f\xe2\x33\xfd\x32\x9f\xe5\x3f" "\xf5\xcb\xfd\x67\x3e\xdb\xaf\xf0\x2b\xfd\x2a\xbf\xda\xaf\xf1\x6b\xfd" "\x3a\xbf\xde\x6f\xf0\x1b\xfd\x26\xbf\xd9\x6f\xf1\x5b\xfd\x36\xbf\xdd" "\x7f\xee\x77\xf8\x9d\x7e\x97\xdf\xed\xf7\xf8\xbd\x7e\x9f\xff\xc2\xef" "\xf7\x5f\xfa\x03\xfe\x2b\x9f\xe3\xbf\xf6\x07\xfd\x5f\xfc\x21\xff\x8d" "\x3f\xec\xbf\xf5\xb9\xfe\x3b\x7f\xc4\x7f\xef\x8f\xfa\x1f\xfc\x31\xff" "\xa3\x3f\xee\x7f\xf2\x27\xfc\x49\x7f\xca\xff\xec\x4f\xfb\x5f\xfc\x19" "\x7f\xd6\x9f\xf3\xe7\xfd\x05\xff\xab\xbf\xe8\x2f\xf9\xcb\xfc\x3f\x6b" "\x8c\x31\xc6\x18\x63\xff\x2d\xea\x0f\x8e\x0f\xf8\x27\xdf\x93\x7f\x5b" "\x57\x0c\x14\x42\x5c\xbf\xb3\x58\xee\x7f\xac\xb9\xb9\xf0\x5f\xf7\x83" "\x65\x42\xe7\x88\x10\xe2\xb9\xfe\x3d\x1f\xfd\xb7\x55\xa7\x4e\x4a\x4a" "\xca\xdf\x1e\x9b\xad\x44\x50\x6a\xb1\x10\x22\x72\x35\x3f\x9f\xb8\x1a" "\xaf\x10\x9d\xc4\x33\x22\x59\x74\x14\x15\xfe\x69\x7f\x83\x65\xef\x0b" "\xf4\x07\xf5\xa3\x77\x0a\x11\xfb\x77\x39\x31\xe2\x6a\x7c\xb5\xfe\xed" "\xff\x49\xfd\x27\x9f\x1e\x9f\x59\x39\x3c\x17\xff\x5f\xd4\x5f\x2c\x44" "\x62\xa9\xab\x39\x05\xc4\xd5\xf8\x6a\xfd\x8a\xff\x49\xfd\x22\xed\xff" "\xa0\xff\x02\xdf\xa4\x09\xd1\xe1\xef\x72\xe2\xc4\xd5\xf8\x6a\xfd\x24" "\xf1\x94\x78\x5e\x24\xff\xc3\x23\x19\x63\x8c\x31\xc6\x18\x63\x8c\xb1" "\xbf\x1a\x2c\xab\x75\xff\xa3\xfb\xe7\x2b\xf7\xe7\x09\xfa\x6a\x4e\x7e" "\x71\x35\xfe\xa3\xfb\x73\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x5d\x7b" "\x2f\xf6\xee\xf3\xec\x93\xc9\xc9\x1d\xbb\xf3\x86\x37\xbc\xe1\xcd\xbf" "\x6f\xae\xf5\x5f\x26\xc6\x18\x63\x8c\x31\xc6\xd8\x9f\xed\xea\x45\xff" "\xb5\xee\x84\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\xcb\xbb\xfe\x7f\x7c\x9c\xd8\xb5\x3e\x47" "\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\x31\xc6\x18\x63\xec\x5a\xfb" "\x3f\x01\x00\x00\xff\xff\x48\xe7\x3c\x33", 5365); syz_mount_image( /*fs=*/0x200000002b80, /*dir=*/0x200000000280, /*flags=MS_REC|MS_NOEXEC|MS_NODIRATIME|MS_NOATIME|0x20000040*/ 0x20004c48, /*opts=*/0x2000000003c0, /*chdir=*/0x81, /*size=*/0x14f5, /*img=*/0x200000008380); break; case 1: // syz_mount_image$udf arguments: [ // fs: ptr[in, buffer] { // buffer: {75 64 66 00} (length 0x4) // } // dir: ptr[in, buffer] { // buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8) // } // flags: mount_flags = 0x0 (8 bytes) // opts: ptr[inout, array[ANYUNION]] { // array[ANYUNION] { // union ANYUNION { // ANYBLOB: buffer: {6e 6f 61 64 69 6e 69 63 62 2c 6e 6f 73 74 72 // 69 63 74 2c 6d 6f 64 65 3d 30 30 30 30 30 30 30 30 30 30 30 30 // 30 30 30 30 30 30 30 30 30 30 34 2c 75 69 64 3d 66 6f 72 67 65 // 74 2c 6e 6f 61 64 69 6e 69 63 62 2c 75 6d 61 73 6b 3d 30 30 30 // 30 30 30 30 30 30 30 30 30 30 30 30 34 30 30 30 32 30 30 30 2c // 6c 61 73 74 62 6c 6f 63 6b 3d 30 30 30 30 30 30 30 30 30 30 30 // 30 30 30 30 30 30 30 31 33 2c 75 6e 64 65 6c 65 74 65 2c 70 61 // 72 74 69 74 69 6f 6e 3d 30 30 30 30 30 30 30 30 30 30 30 30 30 // 30 30 30 30 30 30 35 2c 00} (length 0xab) // } // } // } // chdir: int8 = 0x43 (1 bytes) // size: len = 0xc11 (8 bytes) // img: ptr[in, buffer] { // buffer: (compressed buffer with length 0xc11) // } // ] // returns fd_dir memcpy((void*)0x200000000c40, "udf\000", 4); memcpy((void*)0x2000000000c0, "./file0\000", 8); memcpy((void*)0x200000000100, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget," "noadinicb,umask=00000000000000040002000,lastblock=" "00000000000000000013,undelete,partition=00000000000000000005,\000", 171); memcpy( (void*)0x200000000d00, "\x78\x9c\xec\xdd\x5d\x68\x5c\xe9\x79\x07\xf0\xe7\x9d\x23\xad\x46\xda" "\x34\xd1\x66\x13\x6f\xd2\x66\xd3\x81\x94\xc4\x28\xb5\xf1\x57\x6c\x05" "\x97\x20\x67\x15\xb5\x01\xc7\x1b\x22\x2b\x74\xaf\xa2\xd1\x87\x9d\x61" "\xe5\x91\x91\xe4\xc6\x9b\xb6\x41\x6d\x49\x0b\xbd\x09\xdd\x9b\xd2\x9b" "\x22\x9a\x2e\x2d\xe4\xa2\x57\xdd\x5e\x56\x69\xb6\x90\x50\x0a\x25\xe4" "\x22\xbd\x28\x08\x9a\x2c\x7b\xd1\x0b\x5d\x04\x0a\x2d\x1b\x85\x73\xe6" "\x1d\x69\x64\xcb\xb6\xb2\x5e\x5b\xd2\xee\xef\xb7\xcc\xfe\xcf\x9c\x79" "\xce\xf8\xfd\x18\x9f\x39\x02\xbf\x3a\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\x44\x7c\xf6\x73\x97\x4e\x9d\x4e\x07\xdd" "\x0a\x00\xe0\x71\xba\x32\xf9\xa5\x53\x67\x7d\xff\x03\xc0\xbb\xca\x55" "\x3f\xff\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc0\x61\x97\xa2" "\x88\x63\x91\x62\xe8\xd5\xcd\x34\x5d\x3d\xef\xa8\x5f\x6e\xb5\x6f\xdd" "\x9e\x1a\x9f\xd8\xfb\xb0\xc1\x14\x29\x6a\x51\x54\xf5\xe5\xa3\x7e\xfa" "\xcc\xd9\x73\x9f\x3a\x7f\x61\xb4\x9b\xf7\x3f\xfe\xed\xf6\xe1\x78\x7e" "\xf2\xea\xa5\xc6\x73\x8b\x37\x6e\x2e\xcd\x2f\x2f\xcf\xcf\x35\xa6\xda" 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"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc0\x51\x97\xa2\x88\x3f" "\x8c\x14\x43\xaf\x6e\xa6\xf5\x81\xf2\x79\x47\xfd\x72\xab\x7d\xeb\xf6" "\xd4\xf8\xc4\xde\x87\x0d\xa6\x48\x51\x8b\xa2\xaa\x2f\x1f\xf5\xd3\x67" "\xce\x9e\xfb\xd4\xf9\x0b\xa3\xdd\xbc\xff\xf1\x6f\xb7\x0f\xc7\xf3\x93" "\x57\x2f\x35\x9e\x5b\xbc\x71\x73\x69\x7e\x79\x79\x7e\xae\x31\xd5\x6e" "\xcd\x2e\xce\xcd\xef\xfb\x1d\x1e\xf6\xf8\x3b\x8d\x54\x03\xd0\xb8\xf1" "\xe2\xad\xb9\x6b\xd7\x96\x1b\x67\x4e\x9e\xdd\xf5\xf2\xed\xe1\xd7\x07" "\x9e\x3c\x36\x7c\xf1\xc2\x89\xf3\xa3\xdd\xda\xa9\xf1\x89\x89\xc9\x9e" "\x9a\xbe\xfe\xb7\xfc\xa7\xdf\x25\xdd\x63\xff\x13\x51\xc4\xf7\x23\xc5" "\x9b\xc3\x6f\xa4\xef\x0e\x44\xd4\xe2\xe1\xc7\xe2\x01\x9f\x9d\x47\x6d" "\xb0\xea\xc4\x48\xd5\x89\xa9\xf1\x89\xaa\x23\x0b\xad\x66\x7b\xa5\x7c" "\x31\xd5\x72\x55\x2d\xa2\xd1\x73\xd0\x58\x77\x8c\x1e\xc3\x5c\x3c\x94" "\xb1\x88\xd5\xb2\xf9\x65\x83\x47\xca\xee\x4d\xde\x6c\x2e\x35\x67\x16" "\xe6\x1b\x5f\x6c\x2e\xad\xb4\x56\x5a\x8b\xed\x54\xeb\xb4\xb6\xec\x4f" "\x23\x6a\x31\x9a\x22\xd6\x22\x62\x63\xe0\xee\xb7\xeb\x8f\x22\xbe\x19" "\x29\x5e\x3e\xb5\x99\xfe\x65\x20\xa2\xe8\x8e\xc3\x27\xaf\x4c\x7e\xe9" "\xd4\xd9\x07\xb7\xa7\xf6\x08\xfa\xb8\x0f\x65\x3b\x1b\xfd\x11\x6b\xb5" "\x23\x30\x67\x87\xd8\x40\x14\xf1\x8f\x91\xe2\x67\xaf\x1d\x8f\xef\x0d" "\x44\xf4\x45\xe7\x11\x1f\x8f\xf8\x42\x99\xaf\x46\xbc\x52\xe6\x67\x22" "\x52\xf9\xc1\x38\x17\xf1\xd3\x3d\x3e\x47\x1c\x4d\x7d\x51\xc4\xb9\x48" "\xb1\x98\x36\xd3\x6b\x03\xe5\xf9\xa0\x7b\x5e\xb9\xfc\xe5\xc6\xe7\xdb" "\xd7\x16\x7b\x6a\xbb\xe7\x95\x23\xff\xfd\xf0\x38\x1d\xf2\x73\x53\x3d" "\x8a\xf8\x41\x75\xc6\xdf\x4c\xff\xea\xef\x35\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\xc0\x21\x52\xc4\x5a\xa4\xf8\xca\x89\xe3\xa9" "\x5a\x1f\xbc\xbd\xa6\xb8\xd5\xbe\xde\xb8\xda\x9c\x59\xe8\x2c\xeb\xeb" "\xae\xfd\xeb\xae\x99\xde\xda\xda\xda\x6a\xa4\x4e\x8e\xe5\x9c\xce\xb9" "\x9a\x73\x2d\xe7\x7a\xce\x8d\x9c\x51\xcb\xc7\xe7\x1c\xcb\x39\x9d\x73" "\x35\xe7\x5a\xce\xf5\x9c\x1b\x39\xa3\xc8\xc7\xe7\x1c\xcb\x39\x9d\x73" "\x35\xe7\x5a\xce\xf5\x9c\x1b\x39\xa3\x2f\x1f\x9f\x73\x2c\xe7\x74\xce" "\xd5\x9c\x6b\x39\xd7\x73\x6e\xe4\x8c\x43\xb2\x76\x0f\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x78\x67\xa9\x45\x51\xdd\xc5" "\xfd\x5b\x5f\xdb\x4c\x5b\x03\x9d\xfb\x4b\x4f\x47\x27\xd7\xdd\x0f\xf4" "\x1d\xef\x17\x01\x00\x00\xff\xff\x49\x02\x74\xf7", 3089); syz_mount_image(/*fs=*/0x200000000c40, /*dir=*/0x2000000000c0, /*flags=*/0, /*opts=*/0x200000000100, /*chdir=*/0x43, /*size=*/0xc11, /*img=*/0x200000000d00); break; case 2: // creat arguments: [ // file: ptr[in, buffer] { // buffer: {2e 2f 62 75 73 00} (length 0x6) // } // mode: open_mode = 0x44 (8 bytes) // ] // returns fd memcpy((void*)0x200000000100, "./bus\000", 6); syscall(__NR_creat, /*file=*/0x200000000100ul, /*mode=S_IROTH|S_IXUSR*/ 0x44ul); break; case 3: // mount arguments: [ // src: ptr[in, blockdev_filename] { // union blockdev_filename { // loop: loop_filename { // prefix: buffer: {2f 64 65 76 2f 6c 6f 6f 70} (length 0x9) // id: proc = 0x0 (1 bytes) // z: const = 0x0 (1 bytes) // } // } // } // dst: ptr[in, buffer] { // buffer: {2e 2f 62 75 73 00} (length 0x6) // } // type: nil // flags: mount_flags = 0x301400 (8 bytes) // data: nil // ] memcpy((void*)0x200000000380, "/dev/loop", 9); *(uint8_t*)0x200000000389 = 0x30 + procid * 1; *(uint8_t*)0x20000000038a = 0; memcpy((void*)0x200000000140, "./bus\000", 6); syscall(__NR_mount, /*src=*/0x200000000380ul, /*dst=*/0x200000000140ul, /*type=*/0ul, /*flags=MS_SHARED|MS_RELATIME|MS_NOATIME|MS_BIND*/ 0x301400ul, /*data=*/0ul); break; case 4: // open arguments: [ // file: ptr[in, buffer] { // buffer: {2e 2f 62 75 73 00} (length 0x6) // } // flags: open_flags = 0x64842 (8 bytes) // mode: open_mode = 0x49 (8 bytes) // ] // returns fd memcpy((void*)0x2000000005c0, "./bus\000", 6); res = syscall(__NR_open, /*file=*/0x2000000005c0ul, /*flags=O_NONBLOCK|O_NOFOLLOW|O_NOATIME|O_DIRECT|O_CREAT|0x2*/ 0x64842ul, /*mode=S_IXOTH|S_IXGRP|S_IXUSR*/ 0x49ul); if (res != -1) r[0] = res; break; case 5: // pwritev2 arguments: [ // fd: fd (resource) // vec: ptr[in, array[iovec[in, array[int8]]]] { // array[iovec[in, array[int8]]] { // iovec[in, array[int8]] { // addr: ptr[in, buffer] { // buffer: {85} (length 0x1) // } // len: len = 0x78c00 (8 bytes) // } // } // } // vlen: len = 0x1 (8 bytes) // off_low: int32 = 0x7a00 (4 bytes) // off_high: int32 = 0x0 (4 bytes) // flags: rwf_flags = 0x3 (8 bytes) // ] *(uint64_t*)0x200000000240 = 0x200000000000; memset((void*)0x200000000000, 133, 1); *(uint64_t*)0x200000000248 = 0x78c00; syscall(__NR_pwritev2, /*fd=*/r[0], /*vec=*/0x200000000240ul, /*vlen=*/1ul, /*off_low=*/0x7a00, /*off_high=*/0, /*flags=RWF_HIPRI|RWF_DSYNC*/ 3ul); break; } } 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; for (procid = 0; procid < 4; procid++) { if (fork() == 0) { use_temporary_dir(); loop(); } } sleep(1000000); return 0; }