// https://syzkaller.appspot.com/bug?id=41a6b5d4917c0412eb3b3c3c604965bed7d7420b // 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 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")) { } } #define KMEMLEAK_FILE "/sys/kernel/debug/kmemleak" static void setup_leak() { if (!write_file(KMEMLEAK_FILE, "scan")) exit(1); sleep(5); if (!write_file(KMEMLEAK_FILE, "scan")) exit(1); if (!write_file(KMEMLEAK_FILE, "clear")) exit(1); } static void check_leaks(void) { int fd = open(KMEMLEAK_FILE, O_RDWR); if (fd == -1) exit(1); uint64_t start = current_time_ms(); if (write(fd, "scan", 4) != 4) exit(1); sleep(1); while (current_time_ms() - start < 4 * 1000) sleep(1); if (write(fd, "scan", 4) != 4) exit(1); static char buf[128 << 10]; ssize_t n = read(fd, buf, sizeof(buf) - 1); if (n < 0) exit(1); int nleaks = 0; if (n != 0) { sleep(1); if (write(fd, "scan", 4) != 4) exit(1); if (lseek(fd, 0, SEEK_SET) < 0) exit(1); n = read(fd, buf, sizeof(buf) - 1); if (n < 0) exit(1); buf[n] = 0; char* pos = buf; char* end = buf + n; while (pos < end) { char* next = strstr(pos + 1, "unreferenced object"); if (!next) next = end; char prev = *next; *next = 0; fprintf(stderr, "BUG: memory leak\n%s\n", pos); *next = prev; pos = next; nleaks++; } } if (write(fd, "clear", 5) != 5) exit(1); close(fd); if (nleaks) 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); check_leaks(); } } void execute_one(void) { memcpy((void*)0x20000440, "ext4\000", 5); memcpy((void*)0x20000100, "./file1\000", 8); memcpy((void*)0x20000180, "inode_readahead_blks", 20); *(uint8_t*)0x20000194 = 0x3d; sprintf((char*)0x20000195, "0x%016llx", (long long)0); *(uint8_t*)0x200001a7 = 0x2c; memcpy((void*)0x200001a8, "block_validity", 14); *(uint8_t*)0x200001b6 = 0x2c; memcpy((void*)0x200001b7, "debug_want_extra_isize", 22); *(uint8_t*)0x200001cd = 0x3d; sprintf((char*)0x200001ce, "0x%016llx", (long long)0x66); *(uint8_t*)0x200001e0 = 0x2c; memcpy((void*)0x200001e1, "nombcache", 9); *(uint8_t*)0x200001ea = 0x2c; memcpy((void*)0x200001eb, "max_batch_time", 14); *(uint8_t*)0x200001f9 = 0x3d; sprintf((char*)0x200001fa, "0x%016llx", (long long)8); *(uint8_t*)0x2000020c = 0x2c; memcpy((void*)0x2000020d, "nombcache", 9); *(uint8_t*)0x20000216 = 0x2c; *(uint8_t*)0x20000217 = 0; memcpy( (void*)0x20000900, "\x78\x9c\xec\xdb\xcb\x6f\x1b\xc5\x1f\x00\xf0\xef\xae\x93\xf6\xf7\xeb\x83" "\x84\x52\x1e\x2d\x05\x0c\x05\x11\xf1\x48\x9a\xb4\x40\x0f\x5c\x40\x20\x71" "\x00\x09\x09\x0e\xe5\x18\x92\xb4\x0a\x75\x1b\xd4\x04\x89\x56\x11\x04\x84" "\xca\x11\x55\xe2\x8e\x38\x22\xf1\x17\x70\x82\x0b\x02\x4e\x48\x5c\xe1\x8e" "\x2a\x55\x28\x97\x16\x4e\x46\x6b\xef\x26\xae\x63\x87\x3c\x9c\xba\xb0\x9f" "\x8f\xb4\xed\x8c\x77\x9c\x99\xaf\x67\xc7\x9e\x9d\xb1\x03\x28\xad\x6a\xf6" "\x4f\x12\xb1\x2f\x22\x7e\x8d\x88\xa1\x66\xf6\xe6\x02\xd5\xe6\x7f\x37\x96" "\x17\xa7\xfe\x5c\x5e\x9c\x4a\xa2\x5e\x7f\xe3\x8f\xa4\x51\xee\xfa\xf2\xe2" "\x54\x51\xb4\x78\xde\xde\x3c\x33\x92\x46\xa4\x9f\x24\x6d\x7f\xb0\x69\xfe" "\xe2\xa5\xb3\x93\xb5\xda\xcc\x85\x3c\x3f\xb6\x70\xee\xdd\xb1\xf9\x8b\x97" "\x9e\x9e\x3d\x37\x79\x66\xe6\xcc\xcc\xf9\x89\x93\x27\x4f\x1c\x1f\x7f\xee" "\xd9\x89\x67\x7a\x12\x67\x16\xd7\xf5\xc3\x1f\xcc\x1d\x39\xf4\xca\x5b\x57" "\x5e\x9b\x3a\x75\xe5\xed\x1f\xbf\xce\x9a\xb5\x2f\x3f\xdf\x1a\x47\xaf\x54" "\xa3\xda\x29\xf4\x86\xc7\x7a\x5d\x59\x9f\xed\x6f\x49\x27\x03\x7d\x6c\x08" "\x9b\x52\x89\x88\xac\xbb\x06\x1b\xe3\x7f\x28\x2a\xb1\xda\x79\x43\xf1\xf2" "\xc7\x7d\x6d\x1c\xb0\xa3\xea\xf5\x7a\x7d\x77\xf7\xd3\x4b\x75\xe0\x3f\x2c" "\x89\x7e\xb7\x00\xe8\x8f\xe2\x83\x3e\xbb\xff\x2d\x8e\x5b\x34\xf5\xb8\x2d" "\x5c\x7b\xa1\x79\x03\x94\xc5\x7d\x23\x3f\x9a\x67\x06\x22\xcd\xcb\x0c\xb6" "\xdd\xdf\xf6\x52\x35\x22\x4e\x2d\xfd\xf5\x45\x76\xc4\x0e\xad\x43\x00\x00" "\xb4\xfa\x36\x9b\xff\x3c\xd5\x69\xfe\x97\xc6\x3d\x2d\xe5\xee\xc8\xf7\x50" "\x86\x23\xe2\xce\x88\x38\x10\x11\x77\x45\xc4\xc1\x88\xb8\x3b\xa2\x51\xf6" "\xde\x88\xb8\x6f\x93\xf5\x57\xdb\xf2\x6b\xe7\x3f\xe9\xd5\x2d\x05\xb6\x41" "\xd9\xfc\xef\xf9\x7c\x6f\xeb\xe6\xf9\x5f\x31\xfb\x8b\xe1\x4a\x9e\xdb\xdf" "\x88\x7f\x30\x39\x3d\x5b\x9b\x39\x96\xbf\x26\x23\x31\xb8\x3b\xcb\x8f\xaf" "\x53\xc7\x77\x2f\xfd\xf2\x59\xb7\x73\xad\xf3\xbf\xec\xc8\xea\x2f\xe6\x82" "\x79\x3b\xae\x0e\xb4\x2d\xd0\x4d\x4f\x2e\x4c\x6e\x27\xe6\x56\xd7\x3e\x8a" "\x38\x3c\xd0\x29\xfe\x64\x65\x27\x20\x89\x88\x43\x11\x71\x78\x8b\x75\xcc" "\x3e\xf1\xd5\x91\x6e\xe7\xfe\x39\xfe\x75\xf4\x60\x9f\xa9\xfe\x65\xc4\xe3" "\xcd\xfe\x5f\x8a\xb6\xf8\x0b\xc9\xfa\xfb\x93\x63\xff\x8b\xda\xcc\xb1\xb1" "\xe2\xaa\x58\xeb\xa7\x9f\x2f\xbf\xde\xad\xfe\x6d\xc5\xdf\x03\x59\xff\xef" "\xe9\x78\xfd\xaf\xc4\x3f\x9c\xb4\xee\xd7\xce\x6f\xbe\x8e\xcb\xbf\x7d\xda" "\xf5\x9e\x66\xab\xd7\xff\xae\xe4\xcd\x46\x7a\x57\xfe\xd8\xfb\x93\x0b\x0b" "\x17\xc6\x23\x76\x25\xaf\xae\x7d\x7c\x62\xf5\xb9\x45\xbe\x28\x9f\xc5\x3f" "\x72\xb4\xf3\xf8\x3f\x10\xab\xaf\xc4\xfd\x11\x91\x5d\xc4\x0f\x44\xc4\x83" "\x11\xf1\x50\xde\xf6\x87\x23\xe2\x91\x88\x38\xba\x4e\xfc\x3f\xbc\xf8\xe8" "\x3b\x5b\x8f\x7f\x67\x65\xf1\x4f\x6f\xaa\xff\x37\x9f\xa8\x9c\xfd\xfe\x9b" "\x6e\xf5\x6f\xac\xff\x4f\x34\x52\x23\xf9\x23\x1b\x79\xff\xdb\x68\x03\xb7" "\xf3\xda\x01\x00\x00\xc0\xbf\x45\xda\xf8\x0e\x7c\x92\x8e\xae\xa4\xd3\x74" "\x74\xb4\xf9\x1d\xfe\x83\xb1\x27\xad\xcd\xcd\x2f\x3c\x79\x7a\xee\xbd\xf3" "\xd3\xcd\xef\xca\x0f\xc7\x60\x5a\xac\x74\x0d\xb5\xac\x87\x8e\xe7\x6b\xc3" "\x45\x7e\xa2\x2d\x7f\x3c\x5f\x37\xfe\xbc\xf2\xff\x46\x7e\x74\x6a\xae\x36" "\xdd\xef\xe0\xa1\xe4\xf6\x76\x19\xff\x99\xdf\x2b\xfd\x6e\x1d\xb0\xe3\xfc" "\x5e\x0b\xca\xcb\xf8\x87\xf2\x32\xfe\xa1\xbc\x8c\x7f\x28\x2f\xe3\x1f\xca" "\xab\xd3\xf8\xff\xb0\x0f\xed\x00\x6e\x3d\x9f\xff\x50\x5e\xc6\x3f\x94\x97" "\xf1\x0f\xe5\x65\xfc\x43\x29\x6d\xe7\x77\xfd\x12\x65\x4e\x44\x7a\x5b\x34" "\x43\x62\x87\x12\xfd\x7e\x67\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\xe8\x8d\xbf\x03\x00\x00\xff\xff\xf0\x75\xe6\x67", 1057); syz_mount_image(0x20000440, 0x20000100, 0, 0x20000180, 0, 0x421, 0x20000900); memcpy((void*)0x20000000, "./file1\000", 8); memcpy((void*)0x20000040, "trusted.overlay.upper\000", 22); *(uint8_t*)0x20000d40 = 0; *(uint8_t*)0x20000d41 = 0xfb; *(uint8_t*)0x20000d42 = 0x8e; *(uint8_t*)0x20000d43 = 0; *(uint8_t*)0x20000d44 = 0; memcpy((void*)0x20000d45, "\xcf\xe8\x9e\xac\xaa\x80\x5a\xe1\x26\xa9\x9c\x71\xe3\xea\x67\x33", 16); memcpy( (void*)0x20000d55, "\x7f\x9a\xef\xca\xd1\x17\x51\x5c\x7f\x0e\x4b\xa1\xd7\x91\xd1\x1e\xd7\x4d" "\xf8\x21\xcc\xed\x38\x93\xf2\x3e\x5d\x05\x8c\xd5\x54\x8a\x06\x09\xe0\xf3" "\xfe\x46\xd9\x33\x8e\xe1\x6a\x3f\x7e\x7c\xc7\x98\x68\xba\x06\x86\x13\x2d" "\x7b\xdb\x0e\x0e\x17\x78\xe1\x62\x26\xfd\xde\x94\xeb\xb3\xaf\x8e\x29\x6d" "\x4f\xef\x30\x1e\x85\x68\x0e\x61\x1e\x97\xf3\xb3\xd2\xa6\xc6\xe1\x66\x0d" "\xbd\x92\xcc\x40\x00\x71\xad\x67\x32\xa4\x79\xcb\x4e\x9b\x00\x75\x45\x16" "\x76\x0e\xc2\x0b\xf4\xa6\x70\xaf\x33\x51\xdb\x4c\xcb\x73\x78\x95\x90\x66" "\xf0\x8e\x11\x2c\x58\x6b\xda\xae\x17\xe4\xe3\x01\x8a\x34\x8d\xa8\x0c\xdd" "\x0b\xc8\x77\x65\x39\x15\xb0\x26\xa2\xb2\x95\xd6\xe5\xf2\x3f\xb4\x55\x04" "\x64\xb5\x37\xcf\xb9\x1a\x06\xc2\x24\xd0\x3b\x90\x68\xc6\xaf\xf3\xa3\x86" "\x7a\x42\xa5\xc3\x13\x67\x5e\xb4\x37\x01\x20\x75\x12\x8e\x69\x9f\xa5\xe2" "\x19\x7a\x31\xb6\x43\x6b\xd9\x5a\x03\xf6\xb6\x86\xf1\x90\x1c\x52\x18\x50" "\x47\xa2\x50\x52\x90\x9b\xe5\x8b\xba\xe4\x94\xf5\x56\x95\xd9\x8a\x8b\x5b" "\x37\xab\x91\x34\xbc\xcf\x60\x25\x01\x9d\x3c\xd2\xf9\x2a\x5b\xe5\xc2\x81" "\xb6\x6f\x72\x64\x9c\x4d\xb2\x75\x4b\xab\xc7\x22\x05\x6b\xa3\x5b\x15\x43" "\xab\xe2\x50\x6f\x03\xd6\xf3\x9a\x68\x9d\x1b\x24\x15\x06\x1a\x1c\x75\x2d" "\x58\xdc\x8c\xd6\xb6\xbd\x9b\x76\xe5\x9f\x6d\x0a\x6f\x58\xa3\x72\x9f\x97" "\x56\x45\xeb\xc3\x7b\xa2\xb2\x6e\x74\x77\xa7\x6c\xab\xba\x31\x85\xc5\x01" "\xd8\x3e\xfb\x3e\x36\x43\xd1\x0c\x95\x8a\xca\x2e\x12\x80\x1a\xb0\x94\x66" "\x69\x04\x39\xeb\x5e\x16\x99\x9e\xaf\xa0\xba\x13\x29\xc0\x5a\x3e\xdc\x1f" "\x40\x77\xa7\x86\x55\x68\x5b\xea\x44\x39\x62\x56\xd7\xd4\x0f\x21\x45\x80" "\xe7\x49\x34\xc6\x51\x8f\x1c\x7e\xcc\x2c\xc4\x66\xda\xbc\x70\x9b\xf8\x5d" "\x95\x33\x36\x33\xc1\xce\x30\xff\x30\xa8\x0e\x26\x60\x4b\xd1\x35\x54\x7d" "\x3b\xfd\x6e\x0a\x49\x4d\x0d\x5b\xd0\x71\x10\x72\xab\xfb\x3a\xea\xc9\xed" "\x06\xb5\xaa\x3b\x98\x1b\xe3\x7d\x2e\x0d\x07\xfd\x3e\x16\x73\x67\xa7\x98" "\x7f\x0e\x5d\x2f\x10\x21\x58\xbe\x86\x83\xc9\x1f\x55\x54\xb9\x55\x96\x3a" "\x6c\xf4\x34\x47\x7c\xd3\xcd\x8d\x3f\x1d\x53\x3c\xbf\xe0\x9d\xe9\x40\x0b" "\xb6\x62\x8d\xd7\xad\x5b\x03\x71\x92\xb4\xaf\xb4\xb7\xc4\x24\x4b\xfa\x1b" "\xf4\xdc\x92\xa6\x61\xd3\xd5\x16\x1c\x2b\xb9\xfb\x91\xd0\x23\x9a\xde\x40" "\x3c\x9e\x04\xdf\x4d\xbf\x28\x3f\x41\x03\xd3\x84\xfc\x11\xb7\x95\xc3\x4e" "\x8b\x14\x9d\x20\x1c\x5d\x0c\xde\x68\x9e\xbe\x1a\xa1\x93\xc6\xe5\x61\x5d" "\x71\x31\x5c\x26\x31\x00\xb8\x7f\x5a\x87\xef\x12\xf6\x50\x91\xeb\x7a\x2e" "\xc5\x18\x1b\x00\xd1\x0f\x19\xa6\x15\xff\xe1\xd0\x3b\x76\x54\x49\x67\xdc" "\x05\x1f\xe3\xff\xe8\x98\xaf\x1a\x2e\x38\x40\xb4\x1b\x4a\xc8\x01\x4b\xeb" "\xc8\xe6\xc2\xe8\x12\x85\x8c\x36\xa7\x6b\xbd\x87\xee\xb3\x34\xf5\xad\x92" "\xd2\xcf\x5d\x9e\x7c\x33\x5c\xaa\xf3\x61\xf4\x25\x2d\x60\x9d\xb1\x08\x9d" "\x03\xb0\xc0\x66\xc5\xfb\x5e\xb9\x4a\x23\x04\xe0\x59\x3f\x41\xe9\xca\x88" "\x13\xda\xc0\xbc\x30\x15\xc7\xac\x81\xdf\x8d\x59\x15\x5d\x15\x90\x69\x56" "\x9d\x63\xdf\x5a\x95\x61\xbe\x1c\xf3\xd4\x3d\x37\x7e\xcd\x04\x77\x3b\x3a" "\x5b\x76\x55\x38\x5a\x23\x06\xe7\xb7\xe4\xf2\x73\x23\x7d\x0c\x01\x21\x68" "\x0d\x17\x48\xb2\x5f\x39\x7b\xdc\x94\xd0\x54\x16\xea\xb9\xae\x66\x80\x11" "\xc1\x70\xe9\x83\xd9\x17\x48\x07\x07\x5b\x35\x4b\xfb\x5e\x04\x37\x46\xd7" "\xfe\xf0\x32\x58\x15\x23\xae\x93\x4e\x43\x26\xe8\xb8\x13\x6a\xee\x94\xdd" "\x65\x00\xdd\x19\xac\xcd\x37\xc9\x9a\x84\x0a\xbf\xb2\x33\x3d\x36\x93\x36" "\x02\x3d\xf4\x74\x9f\x25\x54\x5f\x4e\x92\xde\xe7\xe5\xed\xff\x2e\xc8\xfa" "\x01\x9c\xa8\x8f\x0a\x53\xa6\x0e\xed\x28\x31\x80\xef\x06\xbc\xf2\xe5\x56" "\x81\x47\xe8\x2b\x16\xf1\x1c\x88\x95\x91\x09\xe6\xe3\x27\xbe\x88\x84\x4d" "\xba\xda\x53\xc6\xb5\x58\xd2\xcb\x3a\x75\x8b\xd7\x80\x98\x3f\xae\xdb\xf1" "\x97\x19\x51\x51\xcb\xaa\x21\xee\x04\x52\x75\x43\x7c\xeb\x96\x6b\xb9\xcb" "\xd7\x3e\x86\x30\x84\xdd\x0c", 889); syscall(__NR_lsetxattr, 0x20000000ul, 0x20000040ul, 0x20000d40ul, 0x38eul, 0ul); memcpy((void*)0x20000780, "./file1\000", 8); memcpy((void*)0x200007c0, "system.posix_acl_access\000", 24); *(uint32_t*)0x200002c0 = 2; *(uint16_t*)0x200002c4 = 1; *(uint16_t*)0x200002c6 = 0; *(uint32_t*)0x200002c8 = 0xb0; *(uint16_t*)0x200002cc = 4; *(uint16_t*)0x200002ce = 0; *(uint32_t*)0x200002d0 = 0; *(uint16_t*)0x200002d4 = 0x10; *(uint16_t*)0x200002d6 = 0; *(uint32_t*)0x200002d8 = 0; *(uint16_t*)0x200002dc = 0x20; *(uint16_t*)0x200002de = 0; *(uint32_t*)0x200002e0 = 0; syscall(__NR_lsetxattr, 0x20000780ul, 0x200007c0ul, 0x200002c0ul, 0x24ul, 0ul); } 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_leak(); use_temporary_dir(); loop(); return 0; }