// https://syzkaller.appspot.com/bug?id=f86606dfb403cc9435c0ed5f17e1d80c110cddef // 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 __thread int clone_ongoing; static __thread int skip_segv; static __thread jmp_buf segv_env; static void segv_handler(int sig, siginfo_t* info, void* ctx) { if (__atomic_load_n(&clone_ongoing, __ATOMIC_RELAXED) != 0) { exit(sig); } uintptr_t addr = (uintptr_t)info->si_addr; const uintptr_t prog_start = 1 << 20; const uintptr_t prog_end = 100 << 20; int skip = __atomic_load_n(&skip_segv, __ATOMIC_RELAXED) != 0; int valid = addr < prog_start || addr > prog_end; if (skip && valid) { _longjmp(segv_env, 1); } exit(sig); } static void install_segv_handler(void) { struct sigaction sa; memset(&sa, 0, sizeof(sa)); sa.sa_handler = SIG_IGN; syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8); syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8); memset(&sa, 0, sizeof(sa)); sa.sa_sigaction = segv_handler; sa.sa_flags = SA_NODEFER | SA_SIGINFO; sigaction(SIGSEGV, &sa, NULL); sigaction(SIGBUS, &sa, NULL); } #define NONFAILING(...) \ ({ \ int ok = 1; \ __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST); \ if (_setjmp(segv_env) == 0) { \ __VA_ARGS__; \ } else \ ok = 0; \ __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST); \ ok; \ }) 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, 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")) { } } 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_one(void) { intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } // syz_mount_image$hfsplus arguments: [ // fs: ptr[in, buffer] { // buffer: {68 66 73 70 6c 75 73 00} (length 0x8) // } // dir: ptr[in, buffer] { // buffer: {2e 2f 62 75 73 00} (length 0x6) // } // flags: mount_flags = 0x208000 (8 bytes) // opts: ptr[inout, array[ANYUNION]] { // array[ANYUNION] { // union ANYUNION { // ANYBLOB: buffer: {6e 6c 73 3d 63 70 39 35 30 2c 6e 6f 62 61 72 72 // 69 65 72 2c 66 6f 72 63 65 2c 75 6d 61 73 6b 3d 30 30 30 30 30 30 // 30 30 30 30 30 30 30 30 30 30 30 30 30 31 30 30 30 2c 00 d0 12 80 // f5 32 b0 f4 cf 3b 36 fd 5c 6e f6 42 69 a5 33 fc 6b 05 2f 92 ff ca // c0 8c a1 85 19 d5 b3 71 1b 97 ec 29 1e 41 35 5f a6 5d 9c 0d 15 e7 // c1 0c 63 ab 0b ba 73 6f 92 ab 9d 30 47 8a e1 45 2a 01 7b e9 8c 2a // 05 07 fe bf 29 5d b1 7e 98 d0 ff fc 0d 34 92 64 ce 2a cd ed c0 a6 // 1a e1 32 d4 02 4d 39 e1 1d e2 dc 86 79 fa c7 ef cb 61 37 aa 2e 36 // 1c 5f 6c b8 51 e3 a6 0b a0 5f 83 46 66 69 46 67 f2 7f 0d 63 2c f9 // a8 5f e2 47 e2 72 51 ac bd 73 9f f8 50 88 cb 20 10 10 90 01 32 00 // 00 00 00 00 00 00 00 00 00 25 93 d6 00 00 00 00 21 0d c6 43 14 50 // a4 1d 40 f1 57 e3 51 2b 4b 99 c0 26 e7 38 de 59 93 f3 65 a0 c4 50 // b7 71 03 ed 4a 4c e9 64 5d 5b da 31 f3 c7 05 9d 42 c2 52 f8 bf 64 // 29 ca 73 04 7c f2 16 06 68 94 0f 50 a7 8e 03 51 4b 4a 24 1a c9 03 // d9 d3 49 a6 49 eb 2a be fc 56 cd 1a d4 da 51 bc a4 e3 70 ca d9 40 // 1e 08 99 23 8a 3c e2 fb e0 aa b5 56 b9 ba 43 41 a9 90 6d eb db 26 // 46 29 83 51 fb 5b 7a e6 db f1 69 8f 4e b5 cd 65 fa b4 4c df 71} // (length 0x16f) // } // } // } // chdir: int8 = 0xfd (1 bytes) // size: len = 0x6a5 (8 bytes) // img: ptr[in, buffer] { // buffer: (compressed buffer with length 0x6a5) // } // ] // returns fd_dir NONFAILING(memcpy((void*)0x200000003000, "hfsplus\000", 8)); NONFAILING(memcpy((void*)0x200000000240, "./bus\000", 6)); NONFAILING(memcpy( (void*)0x200000000940, "\x6e\x6c\x73\x3d\x63\x70\x39\x35\x30\x2c\x6e\x6f\x62\x61\x72\x72\x69\x65" "\x72\x2c\x66\x6f\x72\x63\x65\x2c\x75\x6d\x61\x73\x6b\x3d\x30\x30\x30\x30" "\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x31\x30\x30" "\x30\x2c\x00\xd0\x12\x80\xf5\x32\xb0\xf4\xcf\x3b\x36\xfd\x5c\x6e\xf6\x42" "\x69\xa5\x33\xfc\x6b\x05\x2f\x92\xff\xca\xc0\x8c\xa1\x85\x19\xd5\xb3\x71" "\x1b\x97\xec\x29\x1e\x41\x35\x5f\xa6\x5d\x9c\x0d\x15\xe7\xc1\x0c\x63\xab" "\x0b\xba\x73\x6f\x92\xab\x9d\x30\x47\x8a\xe1\x45\x2a\x01\x7b\xe9\x8c\x2a" "\x05\x07\xfe\xbf\x29\x5d\xb1\x7e\x98\xd0\xff\xfc\x0d\x34\x92\x64\xce\x2a" "\xcd\xed\xc0\xa6\x1a\xe1\x32\xd4\x02\x4d\x39\xe1\x1d\xe2\xdc\x86\x79\xfa" "\xc7\xef\xcb\x61\x37\xaa\x2e\x36\x1c\x5f\x6c\xb8\x51\xe3\xa6\x0b\xa0\x5f" "\x83\x46\x66\x69\x46\x67\xf2\x7f\x0d\x63\x2c\xf9\xa8\x5f\xe2\x47\xe2\x72" "\x51\xac\xbd\x73\x9f\xf8\x50\x88\xcb\x20\x10\x10\x90\x01\x32\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x25\x93\xd6\x00\x00\x00\x00\x21\x0d\xc6\x43" "\x14\x50\xa4\x1d\x40\xf1\x57\xe3\x51\x2b\x4b\x99\xc0\x26\xe7\x38\xde\x59" "\x93\xf3\x65\xa0\xc4\x50\xb7\x71\x03\xed\x4a\x4c\xe9\x64\x5d\x5b\xda\x31" "\xf3\xc7\x05\x9d\x42\xc2\x52\xf8\xbf\x64\x29\xca\x73\x04\x7c\xf2\x16\x06" "\x68\x94\x0f\x50\xa7\x8e\x03\x51\x4b\x4a\x24\x1a\xc9\x03\xd9\xd3\x49\xa6" "\x49\xeb\x2a\xbe\xfc\x56\xcd\x1a\xd4\xda\x51\xbc\xa4\xe3\x70\xca\xd9\x40" "\x1e\x08\x99\x23\x8a\x3c\xe2\xfb\xe0\xaa\xb5\x56\xb9\xba\x43\x41\xa9\x90" "\x6d\xeb\xdb\x26\x46\x29\x83\x51\xfb\x5b\x7a\xe6\xdb\xf1\x69\x8f\x4e\xb5" "\xcd\x65\xfa\xb4\x4c\xdf\x71", 367)); NONFAILING(memcpy( (void*)0x200000000f00, "\x78\x9c\xec\xdd\x4b\x6c\x1c\x77\x1d\x07\xf0\xef\xac\x37\x6b\x3b\xa0\xd4" "\x69\x93\xb6\x20\xa4\x46\x8d\x88\xa0\x11\x89\x9d\xa5\x24\x08\x10\x01\x21" "\x94\x43\x85\x22\x71\xe9\x85\x83\x95\x38\x8d\x95\x4d\x5a\x39\x2e\x72\x2b" "\x44\x5c\x9e\x57\x8e\x3d\xf4\x50\x84\xc2\xa1\x27\xd4\x03\x52\x11\x87\x8a" "\x72\x46\x42\x42\x1c\xb8\xe4\x1e\x89\xbb\x4f\x2c\x9a\xd9\xd9\xf5\x3a\x7e" "\xc4\x9b\xc4\x5d\x1b\x3e\x1f\x69\x76\xfe\x33\xff\xd7\x6f\x7e\x9e\x99\x7d" "\xc9\xda\x00\xff\xb7\x2e\xbd\x9a\x43\xab\x29\x72\xe9\xf4\x2b\x2b\xe5\xf6" "\xbd\xbb\xed\xce\xbd\xbb\xed\x9b\xfd\x72\x92\xc9\x24\x8d\xa4\xd9\x5b\xa5" "\xb8\x95\x14\x9f\x24\x17\xd3\x5b\xf2\xb9\x72\x67\x3d\x5c\xb1\xdd\x3c\x2f" "\xdf\xff\xe8\xbd\x53\xef\x7e\xd0\xee\x6d\x35\xeb\xa5\x6a\xdf\xd8\xa9\xdf" "\x26\x5b\xb6\x5c\xad\x97\x9c\x48\x32\x51\xaf\x1f\xc3\x86\xf1\xae\x3c\xf6" "\x78\xc5\x20\xee\x32\x61\x27\xfb\x89\x83\x71\xeb\x6e\xb2\x3a\x4a\xf7\xdd" "\x5f\xb7\xc0\xbe\x55\xf4\x9e\x37\x37\x99\x49\x0e\x27\x99\xaa\x5f\x07\xa4" "\xbe\x3b\x34\x3e\xdd\xe8\x9e\xbc\x91\xee\x72\x00\x00\x00\x70\x40\x3d\xb5" "\x96\xb5\xac\xe4\xc8\xb8\xe3\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x83" "\xa4\xfe\xfd\xff\xa2\x5e\x1a\xfd\xf2\x89\x14\xfd\xdf\xff\x6f\x55\xfb\x5a" "\x55\xf3\xd6\xb8\xe3\x7d\x5c\x1f\x8f\x3b\x00\x00\x00\x00\x00\x00\x00\x00" "\x78\x02\x5e\x58\xcb\x5a\x56\x72\xa4\xbf\xdd\x2d\xaa\xef\xfc\x5f\xac\x36" "\x8e\x55\x8f\x9f\xc9\x9b\xb9\x9d\x85\x2c\xe5\x4c\x56\x32\x9f\xe5\x2c\x67" "\x29\x73\x49\x66\xaa\xfa\x77\xaa\xc7\xd6\xca\xfc\xf2\xf2\xd2\xdc\x76\x3d" "\xbb\xdd\xee\x9d\xee\x44\xd5\xf3\xdc\xa0\x67\x86\x7a\x9e\xdb\x14\x5a\xb1" "\x73\xe4\xdd\xc9\xc7\x3e\x78\x00\x00\x00\x00\x00\x00\x00\x38\x60\x76\xf8" "\xb2\xfc\x67\xb9\xb4\xfe\xfd\x3f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\xec\x07\x45\x32\xd1\x5b\x55\xcb\xb1\x7e\x79\x26\x8d\x66\x92\xa9\x24" "\xad\xb2\xdd\x6a\xf2\xe7\x7e\xf9\x20\xfb\x78\xdc\x01\x00\x00\x00\xc0\xa7" "\xe0\xa9\xb5\xac\x65\x25\x47\x8a\xff\xf4\xb6\xbb\x45\xf5\x9e\xff\xd9\xea" "\x7d\xff\x54\xde\xcc\xad\x2c\x67\x31\xcb\xe9\x64\x21\x57\xab\xcf\x02\x7a" "\xef\xfa\x1b\x7f\x5f\x6d\x77\xee\xdd\x6d\xdf\x2c\x97\xcd\xe3\x7e\xe7\xdf" "\x23\x85\x51\x8d\x98\xde\x67\x0f\x5b\xcf\x3c\x5b\xb5\x38\x5e\xb7\x5f\x4d" "\xf2\xfd\xfc\x30\xa7\x73\x22\x97\xb3\x94\xc5\xfc\x38\xf3\x59\xce\x42\x4e" "\xe4\x7b\x55\x69\x3e\x45\x66\xaa\xb1\xfe\xf5\xad\xa4\x8e\x73\x53\xbc\x93" "\xe5\xc3\xc5\x0d\xa1\x5c\x7e\x58\xac\xcf\x57\x91\x4c\xe7\x5a\x16\xab\xd8" "\xce\xe4\xca\xe0\x63\x90\x46\xbf\xcd\xd0\x6c\x7f\x6c\x25\x1b\x32\xd4\xc8" "\x3b\x65\x76\x8a\x6f\xd7\x1e\x9a\x9d\x5e\xd6\xaf\x0e\x6d\xfd\x66\xb0\x77" "\x3f\x98\xa9\x0e\xea\xd0\x20\x23\xb3\x75\xee\xcb\x6c\x1c\xbd\xb7\x5d\xee" "\x2b\xbd\xf3\x64\x72\xf4\x99\x9a\xf5\x9e\xc6\xe0\x33\xa8\x63\x3b\xcd\x34" "\x72\xce\x7b\x0e\xd7\xeb\x32\xd7\xbf\x1a\xce\xf9\x0b\xbb\x8d\x78\xaf\x0c" "\xe7\xbc\x8c\xea\x5c\x1a\x83\xb3\xef\xd9\x9d\x73\x9e\x7c\xf9\x1f\x7f\xb9" "\x7c\xbd\x73\xeb\xc6\xf5\x6b\xb7\x4f\xef\x9f\xd3\x68\x5b\xdd\x6e\xf7\xce" "\xf6\xb5\x0f\x9e\x7d\xed\x41\x26\xa6\xf2\xdc\xee\x33\xb1\xba\x4d\x26\x3e" "\xdc\xb8\x39\xb1\x55\x9b\xa9\x11\x0f\x68\x8f\xb4\xea\x6c\xf4\x62\x5c\xbf" "\x5b\x26\x97\x86\xef\x96\xdd\x6e\xb2\xe9\x6e\xf9\x62\xd5\xf7\x48\x16\xf3" "\x83\xbc\x9e\xab\x59\xc8\xf9\xcc\x66\x2e\x17\x32\x9b\xaf\xe7\x5c\xda\x1b" "\xce\xb0\xe3\x3b\xe7\xb5\xba\xd6\x1a\xa3\x5d\x6b\x27\xbf\x54\x17\xa6\x93" "\xfc\xba\x5e\xef\x0f\xad\x43\xc9\xd1\xa1\xbc\x0e\xdf\xe9\xca\x7c\x1f\xdd" "\xb0\x67\x3d\x4b\x4f\xef\x22\x4b\x23\xde\x91\x9a\x9f\xaf\x0b\xe5\x1c\x3f" "\x1f\x7a\xc6\x19\xbf\x07\x33\x31\x37\x94\x89\x67\x76\xce\xc4\x6f\xcb\x33" "\x32\xb7\x3b\xb7\x6e\x2c\x5d\x9f\x7f\x63\x97\xf3\x9d\xaa\xd7\xe5\x65\xfb" "\xcb\x8d\xcf\x87\xbf\x7b\x12\xc7\xf3\xe8\xca\xeb\xf0\xe9\xf2\x8f\x55\x6d" "\x6d\x3c\x3b\xca\xba\x67\xb6\xac\x9b\xab\xea\x8e\x0d\xea\x1a\x9b\xea\x8e" "\x0f\xea\x1e\x76\xa5\xb6\xea\xd7\x70\x9b\x47\xea\xd5\x3d\xb7\x65\x5d\xbb" "\xaa\x7b\x3e\xff\xac\x9f\xf6\x1e\x78\x95\x93\xd7\xd3\x19\xbc\x0a\x01\x60" "\xbf\xe8\x6e\xde\x75\xf8\xa5\xc3\xad\xe9\xfb\xd3\x7f\x9b\x7e\x7f\xfa\x17" "\xd3\xd7\xa7\x5f\x99\xfa\xee\xe4\x85\xc9\x2f\xb4\x72\xe8\xaf\xcd\x3f\x4d" "\xfc\xa1\xf1\xfb\xc6\x37\x8b\x97\xf2\x7e\x7e\x9a\x23\xe3\x08\x18\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\xfe\xd7\xdc\x7e\xeb\xed\x1b\xf3\x9d\xce\xc2\xd2\x3e\x2c\xa4" "\x31\x5a\xaf\xf2\x78\xf6\x38\xb0\xa9\xbd\x9f\x62\x8f\x0a\x93\x49\x46\xe9" "\xd5\xbd\xd3\xed\x16\xcd\x27\x1b\xc6\x87\x49\x1e\xb9\x7b\xff\xb7\x02\xfb" "\x7b\xbe\xd8\x59\xc8\x67\x77\xe8\xd5\x1c\x3a\xc3\xd7\x7b\xed\x8b\xbf\xc5" "\xe3\x17\xbe\xf1\xa3\x3a\x19\x0f\x69\xdc\x1c\xed\x32\x9f\xae\x07\xdc\x3f" "\x3f\x2e\x06\xec\x9d\xb3\xcb\x37\xdf\x38\x7b\xfb\xad\xb7\xbf\xb2\x78\x73" "\xfe\xb5\x85\xd7\x16\x6e\x9d\xbb\x70\xfe\xc2\xf9\xf6\xd7\xe6\xbe\x7a\xf6" "\xda\x62\x67\x61\xb6\xf7\x38\xee\x28\x81\xbd\xb0\xfe\xec\x3f\xee\x48\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x80\xdd\xda\xcb\x7f\x54\x28\xea\xff\xd6" "\x18\xf7\x31\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\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x07\xdb\xa5\x57\x73\x68\x35\x45\xe6\x66\xcf" "\xcc\x96\xdb\xf7\xee\xb6\x3b\xe5\xd2\x2f\xaf\xb7\x6c\x26\x69\x24\x29\x7e" "\x92\x14\x9f\x24\x17\xd3\x5b\x32\x33\x34\x5c\xb1\xdd\x3c\x2f\xdf\xff\xe8" "\xbd\x53\xef\x7e\xd0\x5e\x1f\xab\xd9\x6f\xdf\xd8\xa9\xdf\xee\xac\x26\x13" "\xab\x65\xe1\x44\x92\x89\x7a\xfd\x40\x83\x2d\x4c\xee\x30\x5e\x06\xe3\x5d" "\x19\x1e\xaf\xf1\x28\xe1\x15\x83\x23\x2c\x13\x76\xb2\x9f\x38\x18\xb7\xff" "\x06\x00\x00\xff\xff\xd1\x1a\xff\x4f", 1701)); NONFAILING(syz_mount_image(/*fs=*/0x200000003000, /*dir=*/0x200000000240, /*flags=MS_SILENT|MS_RELATIME*/ 0x208000, /*opts=*/0x200000000940, /*chdir=*/0xfd, /*size=*/0x6a5, /*img=*/0x200000000f00)); // syz_mount_image$vfat arguments: [ // fs: ptr[in, buffer] { // buffer: {76 66 61 74 00} (length 0x5) // } // dir: ptr[in, buffer] { // buffer: {2e 2f 66 69 6c 65 30 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 00} // (length 0xfa) // } // flags: mount_flags = 0x181d031 (8 bytes) // opts: nil // chdir: int8 = 0x50 (1 bytes) // size: len = 0x0 (8 bytes) // img: ptr[in, buffer] { // buffer: (compressed buffer with length 0x0) // } // ] // returns fd_dir NONFAILING(memcpy((void*)0x200000000b00, "vfat\000", 5)); NONFAILING( memcpy((void*)0x2000000017c0, "./" "file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000", 250)); NONFAILING(syz_mount_image( /*fs=*/0x200000000b00, /*dir=*/0x2000000017c0, /*flags=MS_I_VERSION|MS_POSIXACL|MS_REC|MS_SYNCHRONOUS|MS_STRICTATIME|0x9021*/ 0x181d031, /*opts=*/0, /*chdir=*/0x50, /*size=*/0, /*img=*/0x200000000140)); // mkdir arguments: [ // path: ptr[in, buffer] { // buffer: {2e 2f 66 69 6c 65 30 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 00} (length 0xfb) // } // mode: open_mode = 0x0 (8 bytes) // ] NONFAILING( memcpy((void*)0x200000000180, "./" "file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000", 251)); syscall(__NR_mkdir, /*path=*/0x200000000180ul, /*mode=*/0ul); // syz_mount_image$vfat arguments: [ // fs: ptr[in, buffer] { // buffer: {76 66 61 74 00} (length 0x5) // } // dir: ptr[in, buffer] { // buffer: {2e 2f 66 69 6c 65 30 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 00} (length 0xff) // } // flags: mount_flags = 0x824851 (8 bytes) // opts: nil // chdir: int8 = 0x1 (1 bytes) // size: len = 0x0 (8 bytes) // img: ptr[in, buffer] { // buffer: (compressed buffer with length 0x0) // } // ] // returns fd_dir NONFAILING(memcpy((void*)0x2000000000c0, "vfat\000", 5)); NONFAILING( memcpy((void*)0x2000000003c0, "./" "file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000", 255)); NONFAILING(syz_mount_image( /*fs=*/0x2000000000c0, /*dir=*/0x2000000003c0, /*flags=MS_I_VERSION|MS_UNBINDABLE|MS_REC|MS_SYNCHRONOUS|MS_RDONLY|0x840*/ 0x824851, /*opts=*/0, /*chdir=*/1, /*size=*/0, /*img=*/0x200000000d40)); // syz_mount_image$vfat arguments: [ // fs: ptr[in, buffer] { // buffer: {76 66 61 74 00} (length 0x5) // } // dir: ptr[in, buffer] { // buffer: {2e 2f 66 69 6c 65 30 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 // 00} (length 0xfb) // } // flags: mount_flags = 0x82c851 (8 bytes) // opts: nil // chdir: int8 = 0x1 (1 bytes) // size: len = 0x0 (8 bytes) // img: ptr[in, buffer] { // buffer: (compressed buffer with length 0x0) // } // ] // returns fd_dir NONFAILING(memcpy((void*)0x200000000140, "vfat\000", 5)); NONFAILING( memcpy((void*)0x2000000009c0, "./" "file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000", 251)); NONFAILING(syz_mount_image( /*fs=*/0x200000000140, /*dir=*/0x2000000009c0, /*flags=MS_I_VERSION|MS_UNBINDABLE|MS_REC|MS_SYNCHRONOUS|MS_SILENT|MS_RDONLY|0x840*/ 0x82c851, /*opts=*/0, /*chdir=*/1, /*size=*/0, /*img=*/0x2000000001c0)); // openat$cgroup_ro arguments: [ // fd: fd_cgroup (resource) // file: ptr[in, buffer] { // buffer: {62 6c 6b 69 6f 2e 62 66 71 2e 69 6f 5f 73 65 72 76 69 63 65 // 5f 74 69 6d 65 5f 72 65 63 75 72 73 69 76 65 00} (length 0x24) // } // flags: const = 0x275a (4 bytes) // mode: const = 0x0 (2 bytes) // ] // returns fd NONFAILING(memcpy((void*)0x2000000000c0, "blkio.bfq.io_service_time_recursive\000", 36)); syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x2000000000c0ul, /*flags=*/0x275a, /*mode=*/0); // openat$cgroup_ro arguments: [ // fd: fd_cgroup (resource) // file: ptr[in, buffer] { // buffer: {62 6c 6b 69 6f 2e 62 66 71 2e 67 72 6f 75 70 5f 77 61 69 74 // 5f 74 69 6d 65 00} (length 0x1a) // } // flags: const = 0x275a (4 bytes) // mode: const = 0x0 (2 bytes) // ] // returns fd NONFAILING( memcpy((void*)0x200000000200, "blkio.bfq.group_wait_time\000", 26)); syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000200ul, /*flags=*/0x275a, /*mode=*/0); // syz_mount_image$hfsplus arguments: [ // fs: ptr[in, buffer] { // buffer: {68 66 73 70 6c 75 73 00} (length 0x8) // } // dir: ptr[in, buffer] { // buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8) // } // flags: mount_flags = 0x0 (8 bytes) // opts: ptr[in, fs_options[hfsplus_options]] { // fs_options[hfsplus_options] { // elems: array[fs_opt_elem[hfsplus_options]] { // fs_opt_elem[hfsplus_options] { // elem: union hfsplus_options { // decompose: buffer: {64 65 63 6f 6d 70 6f 73 65} (length 0x9) // } // comma: const = 0x2c (1 bytes) // } // fs_opt_elem[hfsplus_options] { // elem: union hfsplus_options { // part: fs_opt["part", fmt[hex, int32]] { // name: buffer: {70 61 72 74} (length 0x4) // eq: const = 0x3d (1 bytes) // val: int32 = 0x7 (18 bytes) // } // } // comma: const = 0x2c (1 bytes) // } // fs_opt_elem[hfsplus_options] { // elem: union hfsplus_options { // nls: fs_opt["nls", stringnoz[codepages_names]] { // name: buffer: {6e 6c 73} (length 0x3) // eq: const = 0x3d (1 bytes) // val: buffer: {69 73 6f 38 38 35 39 2d 36} (length 0x9) // } // } // comma: const = 0x2c (1 bytes) // } // } // common: array[fs_opt_elem[fs_options_common]] { // } // null: const = 0x0 (1 bytes) // } // } // chdir: int8 = 0x1 (1 bytes) // size: len = 0x5fd (8 bytes) // img: ptr[in, buffer] { // buffer: (compressed buffer with length 0x5fd) // } // ] // returns fd_dir NONFAILING(memcpy((void*)0x200000000600, "hfsplus\000", 8)); NONFAILING(memcpy((void*)0x200000000080, "./file0\000", 8)); NONFAILING(memcpy((void*)0x200000000140, "decompose", 9)); NONFAILING(*(uint8_t*)0x200000000149 = 0x2c); NONFAILING(memcpy((void*)0x20000000014a, "part", 4)); NONFAILING(*(uint8_t*)0x20000000014e = 0x3d); NONFAILING(sprintf((char*)0x20000000014f, "0x%016llx", (long long)7)); NONFAILING(*(uint8_t*)0x200000000161 = 0x2c); NONFAILING(memcpy((void*)0x200000000162, "nls", 3)); NONFAILING(*(uint8_t*)0x200000000165 = 0x3d); NONFAILING(memcpy((void*)0x200000000166, "iso8859-6", 9)); NONFAILING(*(uint8_t*)0x20000000016f = 0x2c); NONFAILING(*(uint8_t*)0x200000000170 = 0); NONFAILING(memcpy( (void*)0x2000000027c0, "\x78\x9c\xec\xdd\x4f\x6b\x1c\xe7\x1d\x07\xf0\xef\xcc\x4a\xb2\xd6\x05\x47" "\x49\xec\x24\x75\x0b\x11\x29\x14\x13\x13\x5b\x7f\x4c\xda\x42\xa1\x6a\x31" "\x45\x87\x60\x02\xbd\xe4\x2a\x6a\x39\x16\x5e\x3b\x41\xda\x94\x4d\x0e\x45" "\x2d\x7e\x21\xe9\x41\x3d\xe5\xd0\x4b\x09\x94\x1e\x42\xf1\xb9\x87\xbc\x01" "\x41\x8f\x85\x42\x8f\xa2\x17\x95\x9d\x9d\xd5\xae\x65\x49\x96\x62\xfd\x59" "\x25\x9f\x0f\x7a\x76\x9e\xd1\x33\xcf\xef\x79\xe6\xa7\x99\x07\xed\x4a\x30" "\x01\xbe\xb3\x16\x3f\xc8\xf8\x7a\x8a\x2c\x5e\x7f\xaf\xd3\xdd\xdf\xdc\x98" "\x6f\x6d\x6e\xcc\x3f\xec\xd7\x93\x5c\x48\x52\x56\x5f\x19\xeb\x56\xff\x95" "\x34\x1e\x27\xd3\xe9\x95\x7c\x3f\x49\x51\x87\x2b\xf6\x1b\xe7\xcb\xb9\x2f" "\xae\x7e\x7d\xa7\x73\xad\xb7\x57\x36\x7a\xf1\xaa\xe3\x1b\x07\xf5\x3b\x9c" "\xf5\xba\x64\xa1\x9e\xe4\xc2\x31\xc6\x7b\xf2\x62\xf1\x1a\xbb\x03\xdf\xee" "\x07\x1f\x05\xdb\xcf\xf7\xdf\x13\x1c\xbe\x71\x82\xb1\x39\x82\x62\x9f\x9f" "\xc5\x54\x72\x31\xc9\x64\xbd\x0e\xf4\x2f\xdc\xf2\x74\x67\x77\xfc\x46\xe6" "\x06\x04\x00\x00\x80\x13\xf4\xd2\x56\xb6\xd2\xc9\xa5\xb3\x9e\x07\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x9c\x27\xf5\xf3\xff\x8b\xba\x94\xfd\xfa\x74" "\x8a\xfe\xf3\xff\x27\xea\xef\xa5\xae\x9f\x6b\x5f\x9d\xf5\x04\x00\x00\x00" "\x00\x00\x00\x00\xe0\x18\xbc\xb9\x95\xad\x74\x72\xa9\xbf\xbf\x5d\x54\x7f" "\xf3\x7f\xab\xda\xb9\x5c\xbd\x7e\x2f\x9f\x64\x2d\xcb\x59\xcd\x8d\x74\xb2" "\x94\x76\xda\x59\xcd\x6c\x92\xa9\x5e\x9f\xea\x9f\x01\x26\x3a\x4b\xed\xf6" "\xea\xec\x21\x7a\xce\x0d\x7a\x66\xd0\x73\xee\xf4\xce\x19\x00\x00\x00\x00" "\x00\x00\x00\xbe\x85\xfe\x98\xc5\xc1\xdf\xff\x01\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x60\x14\x14\x49\xa3\xb7\xa9\xca\xe5\x7e\x7d\x2a\xe5\x58" "\x92\xc9\x24\x13\xdd\xe3\xd6\x93\xbf\xf7\xeb\xe7\xd9\x57\x67\x3d\x01\x00" "\x00\x00\x38\x05\x2f\x6d\x65\x2b\x9d\x5c\xea\xef\x6f\x17\xd5\x7b\xfe\xd7" "\xaa\xf7\xfd\x93\xf9\x24\x8f\xd2\xce\x4a\xda\x69\x65\x39\x77\xab\xcf\x02" "\x7a\xef\xfa\xcb\xcd\x8d\xf9\xd6\xe6\xc6\xfc\xc3\x6e\x79\x36\xee\x2f\xff" "\x73\xa4\x69\x54\x11\xd3\xfb\xec\x61\xef\x91\x67\xaa\x23\xae\xec\xf4\x58" "\xcc\xaf\xf3\x9b\x5c\xcf\x74\xde\xdf\xde\xce\x4a\x7e\x97\xa5\xb4\xb3\x9c" "\xe9\xdc\xae\x6a\x4b\x29\x32\x55\x7f\x7a\x31\xd5\x9f\xe7\xde\xf3\x5d\x78" "\x6a\xef\xfd\xe7\xcd\xf5\x8d\x6a\x26\xcd\xdc\xcb\x4a\x35\xb7\x1b\xf9\x6d" "\x3e\x4a\x2b\x77\x53\x56\xe7\x50\x1d\x73\xf0\x88\x7f\xe8\x66\xa7\xf8\x45" "\xed\x90\x39\xba\x5b\x6f\x8b\xa4\xf8\x41\x7d\x66\xa3\x61\xaa\xca\xc8\xf8" "\x4e\x46\x66\xea\xdc\x77\xb3\xf1\xf2\xc1\x99\x78\xfa\x3a\x29\x8f\x3a\xd2" "\x6c\xca\x9d\xcf\xa0\x2e\x9f\x40\xce\x2f\xd6\xdb\x6e\xce\x27\x47\x2f\xe7" "\xe3\xd9\xc9\xc4\xdc\xd0\xd5\xf7\xda\xc1\x99\x48\xde\x69\xff\xf5\xcd\xfb" "\xad\x47\x0f\xee\xdf\x5b\xbb\x3e\x3a\xa7\xf4\x0d\xed\xbe\x26\xe6\x7b\x99" "\xa8\x92\xf1\xfa\x77\x2a\x13\x13\x75\x36\x7a\xab\xe8\x3e\xab\x65\x56\xf7" "\x5c\x2d\xdf\xaa\xfa\x5e\xca\x4a\xee\xe4\xa3\xdc\xcd\x72\x7e\x92\x77\x33" "\x57\x95\xf9\x6a\x3b\x3f\x74\x85\x5d\x39\xc4\xbd\x56\x1e\xed\x5e\xfb\xd1" "\xb5\xba\xf2\x4a\x52\x34\x7b\xdb\x11\xd1\xcd\xeb\xcb\x43\x79\x1d\x5e\xe9" "\xa6\xaa\xb6\xe1\xef\x0c\xb2\xf4\xca\xf1\xaf\x48\x63\x57\xeb\x4a\x23\x29" "\xc6\xaa\xed\xe4\x31\x9e\xe9\x8b\xd8\x9d\x89\xd9\xa1\x4c\xbc\x7a\x70\x26" "\xfe\xb4\xdd\x7d\x5d\x6b\x3d\x7a\xb0\x7a\x7f\xe9\xe3\x43\x8e\xf7\xe3\x7a" "\xdb\x5d\x9b\x2f\x8c\xd4\xda\x3c\x51\x5f\xbd\x63\xd5\xde\xd3\x57\x47\xb7" "\xed\xd5\x3d\xdb\x66\xab\xb6\xcb\x3b\x6d\xe5\x33\x6d\x57\x76\xda\x9e\x77" "\xa7\x4e\xd4\xbf\xc3\x3d\x1b\x69\xae\x6a\x7b\x7d\xcf\xb6\x5e\xbf\x37\x86" "\xda\xf6\xfa\x2d\x07\x80\x91\x77\xf1\xed\x8b\x13\xcd\x7f\x37\xff\xd9\xfc" "\xbc\xf9\xb8\x79\xbf\xf9\xde\xe4\xaf\x2e\xfc\xf4\xc2\x0f\x27\x32\xfe\x64" "\xec\x6f\x8d\xbf\x94\x7f\x2e\x7f\x5e\xbc\x9d\xcf\xf3\xfb\xc1\xfb\x7f\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\xe0\x9b\x5b\xfb\xf4\xb3\x07\x4b\xad\xd6\xf2\xaa\xca\xb9" "\xae\x8c\xd5\x3f\xcf\x51\x99\x8f\xca\x29\x54\xfa\x4f\x40\x3c\x91\x21\x76" "\xaf\x14\xa3\xf2\xb8\x31\x8e\xd3\xcd\xf6\xc3\x8f\x6f\xae\x7d\xfa\xd9\x3b" "\x2b\x0f\x97\x3e\x5c\xfe\x70\xf9\xd1\xad\x99\xb9\xd9\x77\x6f\xcd\xfe\xec" "\xd6\xcd\x7b\x2b\xad\xe5\x99\xde\xeb\x59\xcf\x92\x93\x32\xb8\xe9\xcf\x7a" "\x26\x00\x00\x00\x00\x00\x00\x00\x00\x00\x1c\xc5\x69\xfc\xa3\xea\x59\x9f" "\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\xe7\xc7\xe2\x07\x19\x5f\x4f\x91\xd9\x99\x1b" "\x33\xdd\xfd\xcd\x8d\xf9\x56\xb7\xf4\xeb\x83\x23\xcb\x24\x63\xdd\xed\xff" "\x92\xc6\xe3\x64\x3a\xbd\x92\xa9\xa1\x70\xc5\x7e\xe3\x7c\x39\xf7\xc5\xd5" "\xaf\xef\x74\xae\x0d\x62\x95\xfd\xe3\x1b\x49\xfe\xf1\x62\x67\xb1\x5e\x97" "\x2c\xd4\x93\x5c\xd8\x7d\x44\xf3\xf9\x41\xca\x7d\xe2\x3d\xd9\x2b\xde\x91" "\x14\x3b\x99\xe9\x06\xbd\xdd\x0f\x0e\x67\xed\xff\x01\x00\x00\xff\xff\xb0" "\xc1\x1a\x05", 1533)); NONFAILING(syz_mount_image(/*fs=*/0x200000000600, /*dir=*/0x200000000080, /*flags=*/0, /*opts=*/0x200000000140, /*chdir=*/1, /*size=*/0x5fd, /*img=*/0x2000000027c0)); // openat$cgroup_ro arguments: [ // fd: fd_cgroup (resource) // file: ptr[in, buffer] { // buffer: {63 67 72 6f 75 70 2e 6b 69 6c 6c 00} (length 0xc) // } // flags: const = 0x275a (4 bytes) // mode: const = 0x0 (2 bytes) // ] // returns fd NONFAILING(memcpy((void*)0x2000000000c0, "cgroup.kill\000", 12)); res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x2000000000c0ul, /*flags=*/0x275a, /*mode=*/0); if (res != -1) r[0] = res; // write$cgroup_subtree arguments: [ // fd: fd_cgroup_subtree (resource) // buf: nil // len: bytesize = 0x10448 (8 bytes) // ] syscall(__NR_write, /*fd=*/r[0], /*buf=*/0ul, /*len=*/0x10448ul); } int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000, /*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=*/0x1000, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; install_segv_handler(); use_temporary_dir(); loop(); return 0; }