// https://syzkaller.appspot.com/bug?id=73ff4940670bf26f0db626f686188dc04c3f40b3 // 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 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 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, destlen); } static int setup_loop_device(unsigned char* data, unsigned long size, const char* loopname, int* loopfd_p) { int err = 0, loopfd = -1; int memfd = syscall(__NR_memfd_create, "syzkaller", 0); if (memfd == -1) { err = errno; goto error; } if (puff_zlib_to_file(data, size, memfd)) { err = errno; goto error_close_memfd; } loopfd = open(loopname, O_RDWR); if (loopfd == -1) { err = errno; goto error_close_memfd; } if (ioctl(loopfd, LOOP_SET_FD, memfd)) { if (errno != EBUSY) { err = errno; goto error_close_loop; } ioctl(loopfd, LOOP_CLR_FD, 0); usleep(1000); if (ioctl(loopfd, LOOP_SET_FD, memfd)) { err = errno; goto error_close_loop; } } close(memfd); *loopfd_p = loopfd; return 0; error_close_loop: close(loopfd); error_close_memfd: close(memfd); error: errno = err; return -1; } static long syz_mount_image(volatile long fsarg, volatile long dir, volatile long flags, volatile long optsarg, volatile long change_dir, volatile unsigned long size, volatile long image) { unsigned char* data = (unsigned char*)image; int res = -1, err = 0, loopfd = -1, need_loop_device = !!size; char* mount_opts = (char*)optsarg; char* target = (char*)dir; char* fs = (char*)fsarg; char* source = NULL; char loopname[64]; if (need_loop_device) { memset(loopname, 0, sizeof(loopname)); snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid); if (setup_loop_device(data, size, loopname, &loopfd) == -1) return -1; source = loopname; } mkdir(target, 0777); char opts[256]; memset(opts, 0, sizeof(opts)); if (strlen(mount_opts) > (sizeof(opts) - 32)) { } strncpy(opts, mount_opts, sizeof(opts) - 32); if (strcmp(fs, "iso9660") == 0) { flags |= MS_RDONLY; } else if (strncmp(fs, "ext", 3) == 0) { 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"); } res = mount(source, target, fs, flags, opts); if (res == -1) { err = errno; goto error_clear_loop; } res = open(target, O_RDONLY | O_DIRECTORY); if (res == -1) { err = errno; goto error_clear_loop; } if (change_dir) { res = chdir(target); if (res == -1) { err = errno; } } error_clear_loop: if (need_loop_device) { ioctl(loopfd, LOOP_CLR_FD, 0); close(loopfd); } errno = err; return res; } #define FS_IOC_SETFLAGS _IOW('f', 2, long) static void remove_dir(const char* dir) { int iter = 0; DIR* dp = 0; retry: while (umount2(dir, MNT_DETACH | UMOUNT_NOFOLLOW) == 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, MNT_DETACH | UMOUNT_NOFOLLOW) == 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, MNT_DETACH | UMOUNT_NOFOLLOW)) 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, MNT_DETACH | UMOUNT_NOFOLLOW)) exit(1); continue; } if (errno == ENOTEMPTY) { if (iter < 100) { iter++; goto retry; } } } exit(1); } } static int inject_fault(int nth) { int fd; fd = open("/proc/thread-self/fail-nth", O_RDWR); if (fd == -1) exit(1); char buf[16]; sprintf(buf, "%d", nth); if (write(fd, buf, strlen(buf)) != (ssize_t)strlen(buf)) exit(1); return fd; } 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")) { } } static void setup_fault() { static struct { const char* file; const char* val; bool fatal; } files[] = { {"/sys/kernel/debug/failslab/ignore-gfp-wait", "N", true}, {"/sys/kernel/debug/fail_futex/ignore-private", "N", false}, {"/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", "N", false}, {"/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", "N", false}, {"/sys/kernel/debug/fail_page_alloc/min-order", "0", false}, }; unsigned i; for (i = 0; i < sizeof(files) / sizeof(files[0]); i++) { if (!write_file(files[i].file, files[i].val)) { if (files[i].fatal) exit(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 (;;) { if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; sleep_ms(1); if (current_time_ms() - start < 5000) continue; kill_and_wait(pid, &status); break; } remove_dir(cwdbuf); } } void execute_one(void) { memcpy((void*)0x200004c0, "udf\000", 4); memcpy((void*)0x20000500, "./file0\000", 8); memcpy( (void*)0x20000c40, "\x6c\x6f\x6e\x67\x61\x64\x2c\x6d\x6f\x64\x65\x3d\x30\x30\x30\x30\x30\x30" "\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x31\x2c" "\x72\x6f\x6f\x74\x64\x69\x72\x3d\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30" "\x30\x30\x30\x30\x30\x30\x30\x30\x30\x36\x2c\x00\x24\xca\x92\x81\xbf\xdd" "\x9f\x8b\x8b\x70\xaf\x28\x7b\x11\xce\x52\x54\x91\x25\xc6\x50\x21\x9e\x7c" "\xaa\x53\x83\x83\xdf\x45\x0c\x32\x77\x2a\x35\xd1\x6d\xbf\xc7\xcf\xd1\x75" "\x66\x1f\x58\xb9\xfb\x61\x59\x7e\xf9\x71\x69\x13\xe4\xd2\x6b\x22\x7d\x85" "\xb3\x8d\x6b\x7f\xad\x97\x22\xe1\xac\x12\x6c\x11\x63\x18\x9a\xe1\xaf\xa7" "\x71\xd7\xca\xf7\xa3\x5a\x7f\x50\xef\x5f\xaf\x0c\xe9\xc3\x2c\x52\xa8\xb0" "\x44\xd6\xeb\xed\x67\x95\xeb\x5e\xe7\x39\x9f\xd7\xee\xe9\x84\x5d\x70\x71" "\x67\x50\x58\xa1\xb6\x09\xf7\x8d\x58\x0f\xd3\x39\x62\xe5\xf3\x9a\x35\xc3" "\x20\xbb\xca\xfc\xf1\x71\x01\xc8\xca\x13\x8f\xb7\xee\xcd\x81\x65\x25\x7a" "\xf9\x06\x8c\xc2\xbc\x0f\x4b\xc7\x4f\xb6\xe2\x29\x9a\xef\x43\xd9\xb4\x42" "\x64\x2b\x60\x8c\x99\x0c\x04\xb2\x61\x64\xb6\x01\xce\xf0\xa0\xdd\x76\xa3" "\xb7\x44\xff\xd3\xef\xce\xc0\x5c\x83\x5f\xc6\x00\x00\x00\x00\xc7\x74\x45" "\xb1\xeb\x4e\xa5\x39\x21\x1f\xbd\x2f\x39\xc1\xde\x8e\xdf\x87\xcd\x20\xb0" "\x7b\x25\x81\xd9\xb2\x6b\xc1\xc6\x1a\x9c\x81\x37\x3f\x33\x79\xb2\xdb\x33" "\xfa\xf1\x9b\xc7\x06\x21\x47\xa6\x4e\x50\xff\x99\xf1\x37\x08\x47\x9d\xf5" "\x33\x81\xcb\x83\x68\x80\xd1\x01\xb0\x46\x89\xe3\xe5\x51\x93\xa7\xa5\x02" "\x4f\x6b\xd0\xb2\xf0\x9c\x8e\x53\x96\xe9\x08\xc0\x35\x91\xd9\xf3\x20\xf4" "\x35\x73\x63\x86\xc6\xdf\x25\xba\x04\x79\x72\xc8\x0d\x0d\x84\x75\x71\x5e" "\x9d\x90\x89\xb9\x27\x0f\xce\x28\x77\x60\xe2\x32\x74\x80\x7b\xb9\xe8\x18" "\x59\xd9\x23\xeb\x70\xe8\x82\x6e\xb1\x83\xf5\xa1\x6b\x0e\x3e\x5a\xb7\xe5" "\xc2\x7c\x4b\xca\x6d\xc2\x07\x91\x0d\x02\xea\xfe\x81\xec\x5a\x1c\x53\x58" "\x42\x8e\x10\x53\xa7\xa3\x5d\x82\x9b\x88\xde\x4b\x70\x44\xea\x81\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 464); memcpy( (void*)0x20000580, "\x78\x9c\xec\xdb\x4d\x6f\x1b\x45\x1c\xc7\xf1\xdf\x6c\x62\x77\xe3\x16\x70" "\x9f\xdc\x82\x2a\x61\x09\x89\xa2\x22\x4a\xec\xb4\xa4\x4f\x20\x85\x96\xb4" "\x48\x7d\xa0\x6d\x82\x40\x28\x41\x21\x71\x82\xd5\xc4\x89\xe2\xb4\x6a\x2a" "\x68\x2b\x71\xe8\x11\x28\x12\x08\x89\x03\x1c\x7a\x41\xa8\x0a\x12\x5c\xe0" "\xc0\x01\x6e\xbc\x03\x2e\xdc\x7a\xe0\x82\x39\x71\x02\xa1\xdd\xcc\x7a\xd7" "\x8e\xdb\xa4\xf8\x21\x71\xf2\xfd\x48\x89\x27\xbb\xff\xdd\x9d\x9d\x99\x9d" "\x9d\xcd\x8e\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa4\x97\x5f" "\xe9\xeb\xce\x98\xd5\xce\x05\x00\x00\x68\xa5\xb3\x17\x2f\x74\x67\xb9\xff" "\x03\x00\xb0\xa1\x0c\xf0\xfc\x0f\x00\x00\xb0\x91\x18\x39\xfa\x44\x46\x3f" "\x7e\x5a\x32\x67\xfc\xbf\x17\xb9\xa7\xf3\x85\xcb\x57\x07\x4f\xf4\xd7\xde" "\xac\xcb\xf8\x5b\x76\xf8\xf1\xde\x8f\x9b\xc9\xf6\x1c\x38\xf8\x42\xef\xa1" "\xe0\xf3\xc1\xdb\x37\xda\xe3\x3a\x77\x71\xa0\x2f\x7d\x7c\x7a\x6a\x66\x36" "\x57\x2c\xe6\xc6\xd2\x83\x85\xfc\xe8\xf4\x58\x6e\xc5\x7b\xa8\x77\xfb\x6a" "\xfb\xfc\x02\x48\x4f\x5d\xba\x3c\x36\x3e\x5e\x4c\x67\xf7\xf7\x54\xac\xbe" "\x9a\xbc\xb7\x69\x73\x2a\x79\xb4\x37\x75\xec\xe9\x20\x76\xf0\x44\x7f\xff" "\xc5\x48\x4c\x67\xec\x7f\x1f\x7d\x89\xfb\x8d\xf0\xe3\x72\x74\x4b\x46\xa5" "\x8f\xef\x9a\xb3\x92\x1c\xd5\x5f\x16\xcb\xb4\x9d\x66\xeb\xf2\x4f\x62\x9f" "\x7f\x12\x83\x27\xfa\xfd\x13\x99\xcc\x8f\x14\xe6\xbc\x95\x26\x28\x08\xa7" "\xb2\x4c\xe2\x41\x19\xb5\xa0\x2e\xea\xb2\x43\xf2\xf2\x65\xe2\x8d\x79\x66" "\x8b\xc9\x51\x51\x46\x3b\x53\x25\x73\x4e\x52\x47\x50\x0e\xcf\xfa\xff\x18" "\x5e\x7e\x07\x4e\x43\xb2\xf1\xd0\xbc\x7c\x0e\x49\x4a\xab\x0d\xea\x6c\x0d" "\xdb\x24\x47\x07\x65\x74\xfb\x70\x52\xaf\x79\x65\x16\xd4\x7f\xa7\xf4\xfe" "\x6a\x67\x0e\x4d\xd7\x29\x47\x77\x65\xb4\xf7\xa5\x92\x39\xef\xf7\x07\xde" "\xf5\xe4\x75\x9b\xa7\x5f\x4f\xbf\x5a\x18\x9f\x8e\xc4\x1a\x63\xaf\xa8\x76" "\xbf\x3f\xb4\xd2\x1a\xef\x9b\x5c\x39\x3a\xeb\x5f\xf1\x25\x73\x61\xb5\x33" "\x83\x96\xf3\x06\x4b\x43\x32\x3a\x30\x70\xc5\x1f\x57\xc8\x1f\x97\x3e\x76" "\xb4\xf7\xe4\xa9\x81\xe8\x08\x63\xd7\x32\xfb\xf1\x62\xf7\xdb\xf4\x4a\xee" "\xc9\xb1\xc8\xd0\xc1\xac\xd2\x18\x02\x00\x00\x00\x00\x00\x00\x58\xef\x5c" "\xe3\x68\x58\x46\x9f\x7f\xeb\xfa\x7f\xa7\xed\x3b\x20\x6c\x10\xc6\xd1\xf3" "\x32\xfa\xeb\x54\xc9\x7f\x35\x1e\x9d\x97\xd0\x11\x99\xdf\x51\xd6\xee\xef" "\x7e\x9a\x9b\xff\x2e\xf7\xf8\xf4\xcc\xfc\x6c\x7e\xe2\xdd\xb9\x9a\xeb\x13" "\x6e\xdf\x3b\xc5\xb9\xd9\x91\xd1\xda\xab\xd5\xe5\x5d\x7c\x15\xff\x0e\x5f" "\x6e\x1e\x43\x9d\x62\xc6\xd1\x21\x19\xdd\xf8\x77\x21\x3c\x6e\xd2\x78\x69" "\xdb\x0d\x84\x07\xba\x73\x2c\xcc\x9b\x6b\xaa\xd6\xfa\xed\xe6\xd1\xc5\xf9" "\x2c\xc1\x3b\x84\x23\xfd\xbb\xa2\xe9\x9a\x59\x7e\x88\xf7\x63\x49\x7b\x5c" "\xfa\x27\xa0\x31\x8c\x71\xd4\x27\xa3\xf1\x1f\x76\xdb\xb9\x1f\x09\x2d\xe9" "\x83\x6c\xdc\x77\x32\xfa\xf3\xcb\x3d\x36\xce\x89\x7b\x41\xc1\x65\x9a\xf4" "\x7f\xbb\xe3\xf9\xc9\x5c\xb7\x17\xfb\xb3\x8c\xbe\xfa\x27\x88\xf5\xa7\x99" "\x69\xb3\x8d\xdd\x1e\xc6\x66\xbc\x58\x47\x46\x1f\x9d\xa9\x8c\xdd\x62\x63" "\x77\x84\xb1\x59\x2f\xf6\xa4\x8c\x7e\x19\xae\x1d\xbb\x33\x8c\xed\xf1\x62" "\x3f\x90\xd1\xcc\x1f\xe9\x20\x36\xe1\xc5\x3e\x69\x63\x53\x61\xec\xfe\xd1" "\xe9\xc9\xb1\xa6\x15\xf0\x1a\xe7\xf5\xff\xd7\x65\xb4\xed\xc5\xb4\x09\xea" "\xd2\x96\x97\xed\x66\x3b\xca\xb1\x77\xde\x0b\xfb\xfb\x9b\xd5\x3b\xba\x4f" "\x9f\x5f\x6f\xff\x9f\x8c\x2c\xbb\x69\xdb\xe1\x3d\xaf\xbd\x0e\xef\xf6\xdb" "\x9e\xdf\x5e\x9d\xda\xed\xf5\x96\x8c\xbe\xf9\x7e\x8f\x8d\x5b\x6c\x2b\x71" "\xbb\x7e\xab\xff\x3b\x6c\xaf\x6f\xc8\x68\xe2\xd7\xca\xd8\x84\x8d\xdd\x16" "\xc6\x66\x56\x5c\xb0\x6d\xc2\xab\xff\xb7\x65\x94\x2d\x2c\x94\xcb\xc6\xd6" "\xbf\xad\x81\xc8\xfd\x3f\x52\xff\x4f\x54\xb7\x8e\x26\xd5\xff\xd6\xc8\xb2" "\xa4\x3d\xee\xa6\xc6\x9c\x3a\x24\x15\xe7\xaf\x5d\x1a\x99\x9c\xcc\xcd\x92" "\x20\x41\x82\x44\x39\xb1\xda\x3d\x13\x5a\xc1\xbb\xff\x7f\x26\xa3\x37\xcf" "\xff\x56\x1e\xef\xd8\xfb\xbf\x1d\x56\x87\xe3\xbf\xbf\xaf\x87\xf7\xff\x23" "\xd5\x3b\x6a\xd2\xfd\x7f\x5b\x64\xd9\x11\x3b\x1a\x89\x75\x4a\xee\xdc\xd4" "\x4c\x2c\x25\xb9\xc5\xf9\x6b\xcf\xe5\xa7\x46\x26\x72\x13\xb9\x42\x4f\x36" "\x73\xb8\xfb\xf0\x81\xde\x4c\x2c\x1e\x8c\xed\xc2\x54\xdd\x45\xb5\x2e\xc5" "\xec\xb3\xda\x95\x0f\xbf\x2e\x3f\x9f\x55\x8e\xff\x6a\x8f\xff\x13\xd5\x3b" "\x6a\x52\xfd\x6f\x8f\x2c\x4b\x54\x8c\x57\xea\x3e\x75\xd8\xfa\xff\x5d\x46" "\x6f\xfd\xb4\x50\x7e\x8e\x7e\xd0\xf8\x3f\x78\xce\x7a\xe6\xa9\xc5\xcf\xf2" "\xf5\xd9\xa4\xfa\xdf\x11\x59\x96\xb4\xc7\x7d\xa4\x31\xa7\x0e\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x6d\x2d\x66\x1c\xdd\x96\x91\x3b" "\xd4\x69\x82\xef\x46\xad\x64\xfe\xdf\x92\x2f\x4c\x35\x69\xfe\x57\x2a\xb2" "\x6c\xac\x45\xdf\x57\xa8\xbb\x50\x01\xa0\x0d\x38\x72\xf4\x85\x8c\xf6\xaa" "\x64\x6e\x78\x0b\xb6\x48\x67\xa2\x9f\x58\xd7\xfe\x0b\x00\x00\xff\xff\x27" "\xf1\x20\xca", 1155); syz_mount_image(0x200004c0, 0x20000500, 0x800000, 0x20000c40, 0, 0x483, 0x20000580); memcpy((void*)0x20000180, "./file0\000", 8); syscall(__NR_chdir, 0x20000180ul); memcpy((void*)0x200001c0, "./file0/file0\000", 14); memcpy((void*)0x20000200, "./bus\000", 6); inject_fault(26); syscall(__NR_rename, 0x200001c0ul, 0x20000200ul); } int main(void) { syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); setup_fault(); use_temporary_dir(); loop(); return 0; }