// https://syzkaller.appspot.com/bug?id=c55170bce867512e121f3ab7e03601404ca01d6e // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifndef __NR_memfd_create #define __NR_memfd_create 319 #endif 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 thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } typedef struct { int state; } event_t; static void event_init(event_t* ev) { ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { if (ev->state) exit(1); __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE); syscall(SYS_futex, &ev->state, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1000000); } static void event_wait(event_t* ev) { while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, 0); } static int event_isset(event_t* ev) { return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE); } static int event_timedwait(event_t* ev, uint64_t timeout) { uint64_t start = current_time_ms(); uint64_t now = start; for (;;) { uint64_t remain = timeout - (now - start); struct timespec ts; ts.tv_sec = remain / 1000; ts.tv_nsec = (remain % 1000) * 1000 * 1000; syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, &ts); if (__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE)) return 1; now = current_time_ms(); if (now - start > timeout) return 0; } } static bool write_file(const char* file, const char* what, ...) { char buf[1024]; va_list args; va_start(args, what); vsnprintf(buf, sizeof(buf), what, args); va_end(args); buf[sizeof(buf) - 1] = 0; int len = strlen(buf); int fd = open(file, O_WRONLY | O_CLOEXEC); if (fd == -1) return false; if (write(fd, buf, len) != len) { int err = errno; close(fd); errno = err; return false; } close(fd); return true; } const int kInitNetNsFd = 201; static long syz_open_procfs(volatile long a0, volatile long a1) { char buf[128]; memset(buf, 0, sizeof(buf)); if (a0 == 0) { snprintf(buf, sizeof(buf), "/proc/self/%s", (char*)a1); } else if (a0 == -1) { snprintf(buf, sizeof(buf), "/proc/thread-self/%s", (char*)a1); } else { snprintf(buf, sizeof(buf), "/proc/self/task/%d/%s", (int)a0, (char*)a1); } int fd = open(buf, O_RDWR); if (fd == -1) fd = open(buf, O_RDONLY); return fd; } static long syz_init_net_socket(volatile long domain, volatile long type, volatile long proto) { return syscall(__NR_socket, domain, type, proto); } //% 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"); } res = mount(source, target, fs, flags, opts); if (res == -1) { err = errno; goto error_clear_loop; } res = open(target, O_RDONLY | O_DIRECTORY); if (res == -1) { err = errno; goto error_clear_loop; } if (change_dir) { res = chdir(target); if (res == -1) { err = errno; } } error_clear_loop: if (need_loop_device) reset_loop_device(loopname); errno = err; return res; } static void kill_and_wait(int pid, int* status) { kill(-pid, SIGKILL); kill(pid, SIGKILL); for (int i = 0; i < 100; i++) { if (waitpid(-1, status, WNOHANG | __WALL) == pid) return; usleep(1000); } DIR* dir = opendir("/sys/fs/fuse/connections"); if (dir) { for (;;) { struct dirent* ent = readdir(dir); if (!ent) break; if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0) continue; char abort[300]; snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort", ent->d_name); int fd = open(abort, O_WRONLY); if (fd == -1) { continue; } if (write(fd, abort, 1) < 0) { } close(fd); } closedir(dir); } else { } while (waitpid(-1, status, __WALL) != pid) { } } static void reset_loop() { char buf[64]; snprintf(buf, sizeof(buf), "/dev/loop%llu", procid); int loopfd = open(buf, O_RDWR); if (loopfd != -1) { ioctl(loopfd, LOOP_CLR_FD, 0); close(loopfd); } } static void setup_test() { prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0); setpgrp(); write_file("/proc/self/oom_score_adj", "1000"); } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void execute_one(void) { if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } int i, call, thread; for (call = 0; call < 8; call++) { for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); thread++) { struct thread_t* th = &threads[thread]; if (!th->created) { th->created = 1; event_init(&th->ready); event_init(&th->done); event_set(&th->done); thread_start(thr, th); } if (!event_isset(&th->done)) continue; event_reset(&th->done); th->call = call; __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); event_set(&th->ready); event_timedwait(&th->done, 50 + (call == 4 ? 4000 : 0)); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); } static void execute_one(void); #define WAIT_FLAGS __WALL static void loop(void) { int iter = 0; for (;; iter++) { reset_loop(); int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { setup_test(); execute_one(); exit(0); } int status = 0; uint64_t start = current_time_ms(); for (;;) { sleep_ms(10); if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; if (current_time_ms() - start < 5000) continue; kill_and_wait(pid, &status); break; } } } uint64_t r[1] = {0xffffffffffffffff}; void execute_call(int call) { intptr_t res = 0; switch (call) { case 0: syscall(__NR_socket, /*domain=*/2ul, /*type=*/3ul, /*proto=*/1); break; case 1: syz_init_net_socket(/*fam=*/0x1f, /*type=*/3, /*proto=*/5); break; case 2: syscall(__NR_close, /*fd=*/4); break; case 3: memcpy((void*)0x200000000080, "ns/ipc\000", 7); syz_open_procfs(/*pid=*/0, /*file=*/0x200000000080); break; case 4: memcpy((void*)0x200000000200, "ext4\000", 5); memcpy((void*)0x200000000000, "./file1\000", 8); memcpy((void*)0x2000000000c0, "quota", 5); *(uint8_t*)0x2000000000c5 = 0x2c; memcpy((void*)0x2000000000c6, "bsdgroups", 9); *(uint8_t*)0x2000000000cf = 0x2c; memcpy((void*)0x2000000000d0, "nouid32", 7); *(uint8_t*)0x2000000000d7 = 0x2c; memcpy((void*)0x2000000000d8, "errors=remount-ro", 17); *(uint8_t*)0x2000000000e9 = 0x2c; memcpy((void*)0x2000000000ea, "jqfmt=vfsv1", 11); *(uint8_t*)0x2000000000f5 = 0x2c; memcpy((void*)0x2000000000f6, "oldalloc", 8); *(uint8_t*)0x2000000000fe = 0x2c; memcpy((void*)0x2000000000ff, "stripe", 6); *(uint8_t*)0x200000000105 = 0x3d; sprintf((char*)0x200000000106, "0x%016llx", (long long)5); *(uint8_t*)0x200000000118 = 0x2c; *(uint8_t*)0x200000000119 = 0; memcpy( (void*)0x200000000580, "\x78\x9c\xec\xdc\xcd\x6f\x14\xe5\x1f\x00\xf0\xef\xcc\xb6\xf0\xfb\xf1" "\xd6\x8a\xf8\x02\xa2\x56\x89\xb1\xf1\xa5\xa5\x05\x95\x83\x17\x8d\x26" "\x1e\x30\x9a\xe8\x01\xf5\x54\xdb\x42\x08\x85\x1a\x5a\x13\x21\x44\xaa" "\x31\x78\x31\x31\x24\x7a\x56\x8f\x26\xfe\x05\xde\xbc\x18\xf5\x64\x62" "\xe2\x49\xef\x86\x84\x28\x17\xd0\x53\xcd\xcc\xce\x40\x77\xd9\x6d\xb7" "\x74\xd9\xad\xdd\xcf\x27\x19\x78\x9e\x7d\x9e\xed\x3c\xdf\x3e\xf3\xcc" "\x3c\x33\xcf\x6e\x03\xe8\x59\x43\xd9\x3f\x49\xc4\xb6\x88\xf8\x2d\x22" "\x06\xaa\xd9\xda\x0a\x43\xd5\xff\xae\x5d\x39\x37\xf9\xf7\x95\x73\x93" "\x49\x2c\x2e\xbe\xf6\x67\x92\xd7\xbb\x7a\xe5\xdc\x64\x59\xb5\x7c\xdf" "\xd6\x22\x33\x9c\x46\xa4\x1f\x25\xc5\x4e\x6a\xcd\x9d\x39\x7b\x62\x62" "\x66\x66\xfa\x74\x91\x1f\x9d\x3f\xf9\xce\xe8\xdc\x99\xb3\x4f\x1e\x3f" "\x39\x71\x6c\xfa\xd8\xf4\xa9\xf1\x43\x87\x0e\x1e\x18\x7b\xe6\xe9\xf1" "\xa7\xda\x12\x67\x16\xd7\xd5\x3d\xef\xcf\xee\xdd\xfd\xd2\x1b\x17\x5f" "\x9e\x3c\x72\xf1\xed\x1f\xbf\xc9\xda\xbb\xad\x28\x5f\x1a\xc7\x2d\xd9" "\x74\xf3\x4b\x43\x59\xe0\x7f\x2d\xe6\xea\xcb\x1e\x89\xff\xaf\x69\x77" "\xeb\xcd\xf6\x25\xe9\xa4\xaf\x8b\x0d\x61\x55\x2a\x11\x91\x75\x57\x7f" "\x3e\xfe\x07\xa2\x12\x37\x3a\x6f\x20\x5e\xfc\xb0\xab\x8d\x03\x6e\xab" "\xec\xda\xb4\xb9\x79\xf1\xc2\x22\xb0\x81\x25\xd1\xed\x16\x00\xdd\x51" "\x5e\xe8\xb3\xfb\xdf\x72\xeb\xd0\xd4\x63\x5d\xb8\xfc\x5c\xf5\x06\x28" "\x8b\xfb\x5a\xb1\x55\x4b\xfa\x22\x2d\xea\xf4\xd7\xdd\xdf\xb6\xd3\x50" "\x44\x1c\x59\xf8\xe7\x8b\x6c\x8b\x76\x3c\x87\x00\x00\x58\xc1\x27\x93" "\x9f\x1f\x8e\x27\x1a\xcd\xff\xd2\xb8\x7b\x49\xbd\x1d\xc5\x1a\xca\x60" "\x44\xdc\x11\x11\x3b\x23\xe2\xce\x88\xd8\x15\x11\x77\x45\xe4\x75\xef" "\x89\x88\x7b\x57\xb9\xff\xfa\xa5\xa1\x9b\xe7\x3f\xe9\xa5\x5b\x0a\xac" "\x45\xd9\xfc\xef\xd9\x62\x6d\xab\x76\xfe\x57\xce\xfe\x62\xb0\x52\xe4" "\xb6\xe7\xf1\xf7\x27\x47\x8f\xcf\x4c\xef\x2f\x7e\x27\xc3\xd1\xbf\x39" "\xcb\x8f\x2d\xb3\x8f\xef\x5e\xf8\xe5\xd3\x66\x65\x4b\xe7\x7f\xd9\x96" "\xed\xbf\x9c\x0b\x16\xed\xb8\xd4\x57\xf7\x80\x6e\x6a\x62\x7e\x22\x9f" "\x94\xb6\xc1\xe5\x0f\x22\xf6\xf4\x35\x8a\x3f\xb9\xbe\x12\x90\x44\xc4" "\xee\x88\xd8\xb3\xba\x1f\xbd\xa3\x4c\x1c\x7f\xec\xeb\xbd\xcd\x2a\xad" "\x1c\xff\x32\xda\xb0\xce\xb4\xf8\x55\xc4\xa3\xd5\xfe\x5f\x88\xba\xf8" "\x4b\xc9\xf2\xeb\x93\xa3\xff\x8b\x99\xe9\xfd\xa3\xe5\x51\x71\xb3\x9f" "\x7e\xbe\xf0\x6a\xb3\xfd\xaf\x29\xfe\x36\xc8\xfa\x7f\x4b\xed\xf1\x5f" "\x94\x7c\x79\xa6\x48\x0c\xbe\xb5\x74\xbd\x76\x2e\x56\xbd\x72\x79\xe1" "\xf7\x8f\x9b\xde\xd3\xdc\xea\xf1\xbf\x29\x79\x3d\x3f\x1f\x95\xcb\xae" "\xef\x4d\xcc\xcf\x9f\x1e\x8b\xd8\x94\x1c\xce\xf3\x35\xaf\x8f\xdf\x78" "\x6f\x99\x2f\xeb\x67\xf1\x0f\xef\x6b\x3c\xfe\x77\x16\xef\xc9\xfa\xff" "\xbe\x88\xc8\x0e\xe2\xfb\x23\xe2\x81\x88\x78\xb0\x68\xfb\x43\x11\xf1" "\x70\x44\xec\x5b\x26\xfe\x1f\x9e\x6f\x5e\xb6\x1e\xfa\x7f\xaa\xe1\xf9" "\xef\xfa\xf1\x3f\x98\xd4\xf4\xff\xea\x13\x95\x13\xdf\x7f\xdb\x6c\xff" "\xad\xf5\xff\xc1\x3c\x35\x5c\xbc\x92\x9f\xff\x56\xd0\x6a\x03\xd7\xf2" "\xbb\x03\x00\x00\x80\xff\x8a\x34\xff\x0c\x7c\x92\x8e\x5c\x4f\xa7\xe9" "\xc8\x48\xf5\x33\xfc\xbb\x62\x4b\x3a\x33\x3b\x37\xff\xf8\xd1\xd9\x77" "\x4f\x4d\x55\x3f\x2b\x3f\x18\xfd\x69\xf9\xa4\x6b\x60\xc9\xf3\xd0\xb1" "\x64\xa1\xf8\x89\xd5\xfc\x78\xf1\xac\xb8\x2c\x3f\x50\x3c\x37\xfe\xac" "\x12\x79\x7e\x64\x72\x76\x66\xaa\xcb\xb1\x43\xaf\xdb\xda\x64\xfc\x67" "\xfe\xa8\x74\xbb\x75\xc0\x6d\xd7\x68\x1d\x6d\xbc\xc1\x17\xda\x80\x8d" "\xa7\x7e\xfc\xa7\xb5\xd9\xf3\xaf\x74\xb2\x31\x40\x47\xf9\xbe\x36\xf4" "\xae\x15\xc6\x7f\xda\xa9\x76\x00\x9d\xe7\xfa\x0f\xbd\xab\xd1\xf8\x3f" "\x5f\x97\xb7\x16\x00\x1b\x93\xeb\x3f\xf4\x2e\xe3\x1f\x7a\x97\xf1\x0f" "\xbd\xab\x6e\xfc\x57\xe2\xd7\x6e\xb5\x04\xe8\xa0\xb5\x7c\xaf\x5f\xa2" "\x97\x13\x91\xae\x8b\x66\xb4\x94\x68\xfd\xef\x41\xdc\xee\xc4\x9b\xeb" "\xa3\x19\x2d\x24\xba\x7d\x66\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\x68\x8f\x7f" "\x03\x00\x00\xff\xff\x6c\x6e\xf0\x5f", 1131); syz_mount_image(/*fs=*/0x200000000200, /*dir=*/0x200000000000, /*flags=*/0, /*opts=*/0x2000000000c0, /*chdir=*/2, /*size=*/0x46b, /*img=*/0x200000000580); break; case 5: res = syscall(__NR_socket, /*domain=AF_ATMPVC*/ 8ul, /*type=SOCK_RAW*/ 3ul, /*proto=*/0); if (res != -1) r[0] = res; break; case 6: syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x6180, /*arg=*/0ul); break; case 7: syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x61e2, /*arg=*/0ul); break; } } int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; loop(); return 0; }