// https://syzkaller.appspot.com/bug?id=fc58ccf9a93c4efaefb2ac722bc5fa69eb1c9ac6 // 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 unsigned long long procid; static __thread int skip_segv; static __thread jmp_buf segv_env; static void segv_handler(int sig, siginfo_t* info, void* ctx) { uintptr_t addr = (uintptr_t)info->si_addr; const uintptr_t prog_start = 1 << 20; const uintptr_t prog_end = 100 << 20; if (__atomic_load_n(&skip_segv, __ATOMIC_RELAXED) && (addr < prog_start || addr > prog_end)) { _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(...) \ { \ __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST); \ if (_setjmp(segv_env) == 0) { \ __VA_ARGS__; \ } \ __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST); \ } 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; for (i = 0; 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); } 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_RELAXED)) 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; } static long syz_open_dev(volatile long a0, volatile long a1, volatile long a2) { if (a0 == 0xc || a0 == 0xb) { char buf[128]; sprintf(buf, "/dev/%s/%d:%d", a0 == 0xc ? "char" : "block", (uint8_t)a1, (uint8_t)a2); return open(buf, O_RDWR, 0); } else { char buf[1024]; char* hash; NONFAILING(strncpy(buf, (char*)a0, sizeof(buf) - 1)); buf[sizeof(buf) - 1] = 0; while ((hash = strchr(buf, '#'))) { *hash = '0' + (char)(a1 % 10); a1 /= 10; } return open(buf, a2, 0); } } static void kill_and_wait(int pid, int* status) { kill(-pid, SIGKILL); kill(pid, SIGKILL); int i; for (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 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) { int i, call, thread; int collide = 0; again: for (call = 0; call < 7; 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); if (collide && (call % 2) == 0) break; event_timedwait(&th->done, 45); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); if (!collide) { collide = 1; goto again; } } static void execute_one(void); #define WAIT_FLAGS __WALL static void loop(void) { int iter; for (iter = 0;; iter++) { 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 (;;) { if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; sleep_ms(1); if (current_time_ms() - start < 5 * 1000) continue; kill_and_wait(pid, &status); break; } } } uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff}; void execute_call(int call) { intptr_t res; switch (call) { case 0: NONFAILING(memcpy((void*)0x20000040, "/dev/uinput\000", 12)); res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000040, 2, 0); if (res != -1) r[0] = res; break; case 1: NONFAILING(memcpy((void*)0x20000880, "syz1\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000", 80)); NONFAILING(*(uint16_t*)0x200008d0 = 0); NONFAILING(*(uint16_t*)0x200008d2 = 0); NONFAILING(*(uint16_t*)0x200008d4 = 0); NONFAILING(*(uint16_t*)0x200008d6 = 0); NONFAILING(*(uint32_t*)0x200008d8 = 0); NONFAILING(*(uint32_t*)0x200008dc = 0); NONFAILING(*(uint32_t*)0x200008e0 = 0); NONFAILING(*(uint32_t*)0x200008e4 = 0); NONFAILING(*(uint32_t*)0x200008e8 = 0); NONFAILING(*(uint32_t*)0x200008ec = 0); NONFAILING(*(uint32_t*)0x200008f0 = 0); NONFAILING(*(uint32_t*)0x200008f4 = 0); NONFAILING(*(uint32_t*)0x200008f8 = -1); NONFAILING(*(uint32_t*)0x200008fc = 0); NONFAILING(*(uint32_t*)0x20000900 = 0); NONFAILING(*(uint32_t*)0x20000904 = 0); NONFAILING(*(uint32_t*)0x20000908 = 0); NONFAILING(*(uint32_t*)0x2000090c = 0); NONFAILING(*(uint32_t*)0x20000910 = 0); NONFAILING(*(uint32_t*)0x20000914 = 0); NONFAILING(*(uint32_t*)0x20000918 = 0); NONFAILING(*(uint32_t*)0x2000091c = 0); NONFAILING(*(uint32_t*)0x20000920 = 0); NONFAILING(*(uint32_t*)0x20000924 = 0); NONFAILING(*(uint32_t*)0x20000928 = 0); NONFAILING(*(uint32_t*)0x2000092c = 0); NONFAILING(*(uint32_t*)0x20000930 = 0); NONFAILING(*(uint32_t*)0x20000934 = 0); NONFAILING(*(uint32_t*)0x20000938 = 5); NONFAILING(*(uint32_t*)0x2000093c = 0); NONFAILING(*(uint32_t*)0x20000940 = 0); NONFAILING(*(uint32_t*)0x20000944 = 0); NONFAILING(*(uint32_t*)0x20000948 = 0); NONFAILING(*(uint32_t*)0x2000094c = 0); NONFAILING(*(uint32_t*)0x20000950 = 0); NONFAILING(*(uint32_t*)0x20000954 = 0); NONFAILING(*(uint32_t*)0x20000958 = 0); NONFAILING(*(uint32_t*)0x2000095c = 0); NONFAILING(*(uint32_t*)0x20000960 = 0); NONFAILING(*(uint32_t*)0x20000964 = 0); NONFAILING(*(uint32_t*)0x20000968 = 0); NONFAILING(*(uint32_t*)0x2000096c = 0); NONFAILING(*(uint32_t*)0x20000970 = 0); NONFAILING(*(uint32_t*)0x20000974 = 0); NONFAILING(*(uint32_t*)0x20000978 = 0); NONFAILING(*(uint32_t*)0x2000097c = 0); NONFAILING(*(uint32_t*)0x20000980 = 0); NONFAILING(*(uint32_t*)0x20000984 = 0); NONFAILING(*(uint32_t*)0x20000988 = 0); NONFAILING(*(uint32_t*)0x2000098c = 0); NONFAILING(*(uint32_t*)0x20000990 = 0); NONFAILING(*(uint32_t*)0x20000994 = 0); NONFAILING(*(uint32_t*)0x20000998 = 0); NONFAILING(*(uint32_t*)0x2000099c = 0); NONFAILING(*(uint32_t*)0x200009a0 = 0); NONFAILING(*(uint32_t*)0x200009a4 = 0); NONFAILING(*(uint32_t*)0x200009a8 = 0); NONFAILING(*(uint32_t*)0x200009ac = 0); NONFAILING(*(uint32_t*)0x200009b0 = 0); NONFAILING(*(uint32_t*)0x200009b4 = 0); NONFAILING(*(uint32_t*)0x200009b8 = 0); NONFAILING(*(uint32_t*)0x200009bc = 0); NONFAILING(*(uint32_t*)0x200009c0 = 0); NONFAILING(*(uint32_t*)0x200009c4 = 0); NONFAILING(*(uint32_t*)0x200009c8 = 0); NONFAILING(*(uint32_t*)0x200009cc = 0); NONFAILING(*(uint32_t*)0x200009d0 = 0); NONFAILING(*(uint32_t*)0x200009d4 = 0); NONFAILING(*(uint32_t*)0x200009d8 = 0); NONFAILING(*(uint32_t*)0x200009dc = 0); NONFAILING(*(uint32_t*)0x200009e0 = 0); NONFAILING(*(uint32_t*)0x200009e4 = 0); NONFAILING(*(uint32_t*)0x200009e8 = 0); NONFAILING(*(uint32_t*)0x200009ec = 0); NONFAILING(*(uint32_t*)0x200009f0 = 0); NONFAILING(*(uint32_t*)0x200009f4 = 0); NONFAILING(*(uint32_t*)0x200009f8 = 0); NONFAILING(*(uint32_t*)0x200009fc = 4); NONFAILING(*(uint32_t*)0x20000a00 = 0); NONFAILING(*(uint32_t*)0x20000a04 = 0); NONFAILING(*(uint32_t*)0x20000a08 = 0); NONFAILING(*(uint32_t*)0x20000a0c = 0); NONFAILING(*(uint32_t*)0x20000a10 = 0); NONFAILING(*(uint32_t*)0x20000a14 = 0); NONFAILING(*(uint32_t*)0x20000a18 = 0); NONFAILING(*(uint32_t*)0x20000a1c = 0); NONFAILING(*(uint32_t*)0x20000a20 = 0); NONFAILING(*(uint32_t*)0x20000a24 = 0); NONFAILING(*(uint32_t*)0x20000a28 = 0); NONFAILING(*(uint32_t*)0x20000a2c = 0); NONFAILING(*(uint32_t*)0x20000a30 = 0); NONFAILING(*(uint32_t*)0x20000a34 = 0); NONFAILING(*(uint32_t*)0x20000a38 = 0); NONFAILING(*(uint32_t*)0x20000a3c = 0); NONFAILING(*(uint32_t*)0x20000a40 = 0); NONFAILING(*(uint32_t*)0x20000a44 = 0); NONFAILING(*(uint32_t*)0x20000a48 = 0); NONFAILING(*(uint32_t*)0x20000a4c = 0); NONFAILING(*(uint32_t*)0x20000a50 = 0); NONFAILING(*(uint32_t*)0x20000a54 = 0); NONFAILING(*(uint32_t*)0x20000a58 = 0); NONFAILING(*(uint32_t*)0x20000a5c = 0); NONFAILING(*(uint32_t*)0x20000a60 = 0); NONFAILING(*(uint32_t*)0x20000a64 = 0); NONFAILING(*(uint32_t*)0x20000a68 = 0); NONFAILING(*(uint32_t*)0x20000a6c = 0); NONFAILING(*(uint32_t*)0x20000a70 = 0); NONFAILING(*(uint32_t*)0x20000a74 = 0); NONFAILING(*(uint32_t*)0x20000a78 = 0); NONFAILING(*(uint32_t*)0x20000a7c = 0); NONFAILING(*(uint32_t*)0x20000a80 = 0); NONFAILING(*(uint32_t*)0x20000a84 = 0); NONFAILING(*(uint32_t*)0x20000a88 = 0); NONFAILING(*(uint32_t*)0x20000a8c = 0); NONFAILING(*(uint32_t*)0x20000a90 = 0); NONFAILING(*(uint32_t*)0x20000a94 = 0); NONFAILING(*(uint32_t*)0x20000a98 = 0); NONFAILING(*(uint32_t*)0x20000a9c = 0); NONFAILING(*(uint32_t*)0x20000aa0 = 0); NONFAILING(*(uint32_t*)0x20000aa4 = 0); NONFAILING(*(uint32_t*)0x20000aa8 = 0); NONFAILING(*(uint32_t*)0x20000aac = 0); NONFAILING(*(uint32_t*)0x20000ab0 = 0); NONFAILING(*(uint32_t*)0x20000ab4 = 0); NONFAILING(*(uint32_t*)0x20000ab8 = 0); NONFAILING(*(uint32_t*)0x20000abc = 0); NONFAILING(*(uint32_t*)0x20000ac0 = 0); NONFAILING(*(uint32_t*)0x20000ac4 = 0); NONFAILING(*(uint32_t*)0x20000ac8 = 0); NONFAILING(*(uint32_t*)0x20000acc = 0); NONFAILING(*(uint32_t*)0x20000ad0 = 0); NONFAILING(*(uint32_t*)0x20000ad4 = 0); NONFAILING(*(uint32_t*)0x20000ad8 = 0); NONFAILING(*(uint32_t*)0x20000adc = 0); NONFAILING(*(uint32_t*)0x20000ae0 = 2); NONFAILING(*(uint32_t*)0x20000ae4 = 0); NONFAILING(*(uint32_t*)0x20000ae8 = 0); NONFAILING(*(uint32_t*)0x20000aec = 0); NONFAILING(*(uint32_t*)0x20000af0 = 0); NONFAILING(*(uint32_t*)0x20000af4 = 0); NONFAILING(*(uint32_t*)0x20000af8 = 0); NONFAILING(*(uint32_t*)0x20000afc = 0); NONFAILING(*(uint32_t*)0x20000b00 = 0); NONFAILING(*(uint32_t*)0x20000b04 = 0); NONFAILING(*(uint32_t*)0x20000b08 = 0); NONFAILING(*(uint32_t*)0x20000b0c = 0); NONFAILING(*(uint32_t*)0x20000b10 = 0); NONFAILING(*(uint32_t*)0x20000b14 = 0); NONFAILING(*(uint32_t*)0x20000b18 = 0); NONFAILING(*(uint32_t*)0x20000b1c = 0); NONFAILING(*(uint32_t*)0x20000b20 = 0); NONFAILING(*(uint32_t*)0x20000b24 = 0); NONFAILING(*(uint32_t*)0x20000b28 = 0); NONFAILING(*(uint32_t*)0x20000b2c = 0); NONFAILING(*(uint32_t*)0x20000b30 = 0); NONFAILING(*(uint32_t*)0x20000b34 = 0); NONFAILING(*(uint32_t*)0x20000b38 = 0); NONFAILING(*(uint32_t*)0x20000b3c = 0); NONFAILING(*(uint32_t*)0x20000b40 = 0); NONFAILING(*(uint32_t*)0x20000b44 = 0); NONFAILING(*(uint32_t*)0x20000b48 = 0); NONFAILING(*(uint32_t*)0x20000b4c = 0); NONFAILING(*(uint32_t*)0x20000b50 = 0); NONFAILING(*(uint32_t*)0x20000b54 = 0); NONFAILING(*(uint32_t*)0x20000b58 = 0); NONFAILING(*(uint32_t*)0x20000b5c = 0); NONFAILING(*(uint32_t*)0x20000b60 = 0); NONFAILING(*(uint32_t*)0x20000b64 = 0); NONFAILING(*(uint32_t*)0x20000b68 = 0); NONFAILING(*(uint32_t*)0x20000b6c = 0xfffffffe); NONFAILING(*(uint32_t*)0x20000b70 = 0); NONFAILING(*(uint32_t*)0x20000b74 = 0); NONFAILING(*(uint32_t*)0x20000b78 = 0); NONFAILING(*(uint32_t*)0x20000b7c = 0); NONFAILING(*(uint32_t*)0x20000b80 = 0); NONFAILING(*(uint32_t*)0x20000b84 = 2); NONFAILING(*(uint32_t*)0x20000b88 = 0); NONFAILING(*(uint32_t*)0x20000b8c = 0); NONFAILING(*(uint32_t*)0x20000b90 = 0); NONFAILING(*(uint32_t*)0x20000b94 = 0); NONFAILING(*(uint32_t*)0x20000b98 = 0); NONFAILING(*(uint32_t*)0x20000b9c = 0); NONFAILING(*(uint32_t*)0x20000ba0 = 0); NONFAILING(*(uint32_t*)0x20000ba4 = 0); NONFAILING(*(uint32_t*)0x20000ba8 = 0); NONFAILING(*(uint32_t*)0x20000bac = 0); NONFAILING(*(uint32_t*)0x20000bb0 = 0); NONFAILING(*(uint32_t*)0x20000bb4 = 0); NONFAILING(*(uint32_t*)0x20000bb8 = 0); NONFAILING(*(uint32_t*)0x20000bbc = 0); NONFAILING(*(uint32_t*)0x20000bc0 = 0); NONFAILING(*(uint32_t*)0x20000bc4 = 0); NONFAILING(*(uint32_t*)0x20000bc8 = 0); NONFAILING(*(uint32_t*)0x20000bcc = 0); NONFAILING(*(uint32_t*)0x20000bd0 = 0); NONFAILING(*(uint32_t*)0x20000bd4 = 0); NONFAILING(*(uint32_t*)0x20000bd8 = 0); NONFAILING(*(uint32_t*)0x20000bdc = 0); NONFAILING(*(uint32_t*)0x20000be0 = 0); NONFAILING(*(uint32_t*)0x20000be4 = 0); NONFAILING(*(uint32_t*)0x20000be8 = 0); NONFAILING(*(uint32_t*)0x20000bec = 0); NONFAILING(*(uint32_t*)0x20000bf0 = 0); NONFAILING(*(uint32_t*)0x20000bf4 = 0); NONFAILING(*(uint32_t*)0x20000bf8 = 0); NONFAILING(*(uint32_t*)0x20000bfc = 0); NONFAILING(*(uint32_t*)0x20000c00 = 0); NONFAILING(*(uint32_t*)0x20000c04 = 0); NONFAILING(*(uint32_t*)0x20000c08 = 0); NONFAILING(*(uint32_t*)0x20000c0c = 0); NONFAILING(*(uint32_t*)0x20000c10 = 0); NONFAILING(*(uint32_t*)0x20000c14 = 0); NONFAILING(*(uint32_t*)0x20000c18 = 0); NONFAILING(*(uint32_t*)0x20000c1c = 0); NONFAILING(*(uint32_t*)0x20000c20 = 0); NONFAILING(*(uint32_t*)0x20000c24 = 0); NONFAILING(*(uint32_t*)0x20000c28 = 0); NONFAILING(*(uint32_t*)0x20000c2c = 0); NONFAILING(*(uint32_t*)0x20000c30 = 0); NONFAILING(*(uint32_t*)0x20000c34 = 0); NONFAILING(*(uint32_t*)0x20000c38 = 0); NONFAILING(*(uint32_t*)0x20000c3c = 0); NONFAILING(*(uint32_t*)0x20000c40 = 0xfffffffc); NONFAILING(*(uint32_t*)0x20000c44 = 0); NONFAILING(*(uint32_t*)0x20000c48 = 0); NONFAILING(*(uint32_t*)0x20000c4c = 0); NONFAILING(*(uint32_t*)0x20000c50 = 0); NONFAILING(*(uint32_t*)0x20000c54 = 0); NONFAILING(*(uint32_t*)0x20000c58 = 0); NONFAILING(*(uint32_t*)0x20000c5c = 0); NONFAILING(*(uint32_t*)0x20000c60 = 0); NONFAILING(*(uint32_t*)0x20000c64 = 0); NONFAILING(*(uint32_t*)0x20000c68 = 0); NONFAILING(*(uint32_t*)0x20000c6c = 0); NONFAILING(*(uint32_t*)0x20000c70 = 0); NONFAILING(*(uint32_t*)0x20000c74 = 0); NONFAILING(*(uint32_t*)0x20000c78 = 0); NONFAILING(*(uint32_t*)0x20000c7c = 0); NONFAILING(*(uint32_t*)0x20000c80 = 0); NONFAILING(*(uint32_t*)0x20000c84 = 0); NONFAILING(*(uint32_t*)0x20000c88 = 0); NONFAILING(*(uint32_t*)0x20000c8c = 0); NONFAILING(*(uint32_t*)0x20000c90 = 0); NONFAILING(*(uint32_t*)0x20000c94 = 0); NONFAILING(*(uint32_t*)0x20000c98 = 0); NONFAILING(*(uint32_t*)0x20000c9c = 0); NONFAILING(*(uint32_t*)0x20000ca0 = 0); NONFAILING(*(uint32_t*)0x20000ca4 = 0); NONFAILING(*(uint32_t*)0x20000ca8 = 0); NONFAILING(*(uint32_t*)0x20000cac = 0); NONFAILING(*(uint32_t*)0x20000cb0 = 0); NONFAILING(*(uint32_t*)0x20000cb4 = 0); NONFAILING(*(uint32_t*)0x20000cb8 = 0); NONFAILING(*(uint32_t*)0x20000cbc = 0); NONFAILING(*(uint32_t*)0x20000cc0 = 0); NONFAILING(*(uint32_t*)0x20000cc4 = 0); NONFAILING(*(uint32_t*)0x20000cc8 = 0); NONFAILING(*(uint32_t*)0x20000ccc = 0); NONFAILING(*(uint32_t*)0x20000cd0 = 0); NONFAILING(*(uint32_t*)0x20000cd4 = 0); NONFAILING(*(uint32_t*)0x20000cd8 = 0); syscall(__NR_write, r[0], 0x20000880, 0x45c); break; case 2: syscall(__NR_ioctl, r[0], 0x5501, 0); break; case 3: NONFAILING(memcpy((void*)0x20000040, "/dev/uinput\000", 12)); res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000040, 2, 0); if (res != -1) r[1] = res; break; case 4: NONFAILING(memcpy((void*)0x20000e00, "/dev/input/event#\000", 18)); syz_open_dev(0x20000e00, 8, 0x24440); break; case 5: NONFAILING(memcpy((void*)0x20000880, "syz1\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000", 80)); NONFAILING(*(uint16_t*)0x200008d0 = 0); NONFAILING(*(uint16_t*)0x200008d2 = 0); NONFAILING(*(uint16_t*)0x200008d4 = 0); NONFAILING(*(uint16_t*)0x200008d6 = 0); NONFAILING(*(uint32_t*)0x200008d8 = 0); NONFAILING(*(uint32_t*)0x200008dc = 0); NONFAILING(*(uint32_t*)0x200008e0 = 0); NONFAILING(*(uint32_t*)0x200008e4 = 0); NONFAILING(*(uint32_t*)0x200008e8 = 0); NONFAILING(*(uint32_t*)0x200008ec = 0); NONFAILING(*(uint32_t*)0x200008f0 = 0); NONFAILING(*(uint32_t*)0x200008f4 = 0); NONFAILING(*(uint32_t*)0x200008f8 = 0); NONFAILING(*(uint32_t*)0x200008fc = 0); NONFAILING(*(uint32_t*)0x20000900 = 0); NONFAILING(*(uint32_t*)0x20000904 = 0); NONFAILING(*(uint32_t*)0x20000908 = 0); NONFAILING(*(uint32_t*)0x2000090c = 0); NONFAILING(*(uint32_t*)0x20000910 = 0); NONFAILING(*(uint32_t*)0x20000914 = 0); NONFAILING(*(uint32_t*)0x20000918 = 0); NONFAILING(*(uint32_t*)0x2000091c = 0); NONFAILING(*(uint32_t*)0x20000920 = 0); NONFAILING(*(uint32_t*)0x20000924 = 0); NONFAILING(*(uint32_t*)0x20000928 = 0); NONFAILING(*(uint32_t*)0x2000092c = 0); NONFAILING(*(uint32_t*)0x20000930 = 0); NONFAILING(*(uint32_t*)0x20000934 = 0); NONFAILING(*(uint32_t*)0x20000938 = 0); NONFAILING(*(uint32_t*)0x2000093c = 0); NONFAILING(*(uint32_t*)0x20000940 = 0); NONFAILING(*(uint32_t*)0x20000944 = 0); NONFAILING(*(uint32_t*)0x20000948 = 0); NONFAILING(*(uint32_t*)0x2000094c = 0); NONFAILING(*(uint32_t*)0x20000950 = 0); NONFAILING(*(uint32_t*)0x20000954 = 0); NONFAILING(*(uint32_t*)0x20000958 = 0); NONFAILING(*(uint32_t*)0x2000095c = 0); NONFAILING(*(uint32_t*)0x20000960 = 0); NONFAILING(*(uint32_t*)0x20000964 = 0); NONFAILING(*(uint32_t*)0x20000968 = 0); NONFAILING(*(uint32_t*)0x2000096c = 0); NONFAILING(*(uint32_t*)0x20000970 = 0); NONFAILING(*(uint32_t*)0x20000974 = 0); NONFAILING(*(uint32_t*)0x20000978 = 0); NONFAILING(*(uint32_t*)0x2000097c = 0); NONFAILING(*(uint32_t*)0x20000980 = 0); NONFAILING(*(uint32_t*)0x20000984 = 0); NONFAILING(*(uint32_t*)0x20000988 = 0); NONFAILING(*(uint32_t*)0x2000098c = 0); NONFAILING(*(uint32_t*)0x20000990 = 0); NONFAILING(*(uint32_t*)0x20000994 = 0); NONFAILING(*(uint32_t*)0x20000998 = 0); NONFAILING(*(uint32_t*)0x2000099c = 0); NONFAILING(*(uint32_t*)0x200009a0 = 0); NONFAILING(*(uint32_t*)0x200009a4 = 0); NONFAILING(*(uint32_t*)0x200009a8 = 0); NONFAILING(*(uint32_t*)0x200009ac = 0); NONFAILING(*(uint32_t*)0x200009b0 = 0); NONFAILING(*(uint32_t*)0x200009b4 = 0); NONFAILING(*(uint32_t*)0x200009b8 = 0); NONFAILING(*(uint32_t*)0x200009bc = 0); NONFAILING(*(uint32_t*)0x200009c0 = 0); NONFAILING(*(uint32_t*)0x200009c4 = 0); NONFAILING(*(uint32_t*)0x200009c8 = 0); NONFAILING(*(uint32_t*)0x200009cc = 0); NONFAILING(*(uint32_t*)0x200009d0 = 0); NONFAILING(*(uint32_t*)0x200009d4 = 0); NONFAILING(*(uint32_t*)0x200009d8 = 0); NONFAILING(*(uint32_t*)0x200009dc = 0); NONFAILING(*(uint32_t*)0x200009e0 = 0); NONFAILING(*(uint32_t*)0x200009e4 = 0); NONFAILING(*(uint32_t*)0x200009e8 = 0); NONFAILING(*(uint32_t*)0x200009ec = 0); NONFAILING(*(uint32_t*)0x200009f0 = 0); NONFAILING(*(uint32_t*)0x200009f4 = 0); NONFAILING(*(uint32_t*)0x200009f8 = 0); NONFAILING(*(uint32_t*)0x200009fc = 0); NONFAILING(*(uint32_t*)0x20000a00 = 0x20d); NONFAILING(*(uint32_t*)0x20000a04 = 0); NONFAILING(*(uint32_t*)0x20000a08 = 0); NONFAILING(*(uint32_t*)0x20000a0c = 0); NONFAILING(*(uint32_t*)0x20000a10 = 0); NONFAILING(*(uint32_t*)0x20000a14 = 0); NONFAILING(*(uint32_t*)0x20000a18 = 0); NONFAILING(*(uint32_t*)0x20000a1c = 0); NONFAILING(*(uint32_t*)0x20000a20 = 0); NONFAILING(*(uint32_t*)0x20000a24 = 0); NONFAILING(*(uint32_t*)0x20000a28 = 0); NONFAILING(*(uint32_t*)0x20000a2c = 0); NONFAILING(*(uint32_t*)0x20000a30 = 0); NONFAILING(*(uint32_t*)0x20000a34 = 0); NONFAILING(*(uint32_t*)0x20000a38 = 0); NONFAILING(*(uint32_t*)0x20000a3c = 0); NONFAILING(*(uint32_t*)0x20000a40 = 0); NONFAILING(*(uint32_t*)0x20000a44 = 0); NONFAILING(*(uint32_t*)0x20000a48 = 0); NONFAILING(*(uint32_t*)0x20000a4c = 0); NONFAILING(*(uint32_t*)0x20000a50 = 0); NONFAILING(*(uint32_t*)0x20000a54 = 0); NONFAILING(*(uint32_t*)0x20000a58 = 0); NONFAILING(*(uint32_t*)0x20000a5c = 0); NONFAILING(*(uint32_t*)0x20000a60 = 0); NONFAILING(*(uint32_t*)0x20000a64 = 0); NONFAILING(*(uint32_t*)0x20000a68 = 0); NONFAILING(*(uint32_t*)0x20000a6c = 0); NONFAILING(*(uint32_t*)0x20000a70 = 0); NONFAILING(*(uint32_t*)0x20000a74 = 0); NONFAILING(*(uint32_t*)0x20000a78 = 0); NONFAILING(*(uint32_t*)0x20000a7c = 0); NONFAILING(*(uint32_t*)0x20000a80 = 0); NONFAILING(*(uint32_t*)0x20000a84 = 0); NONFAILING(*(uint32_t*)0x20000a88 = 0); NONFAILING(*(uint32_t*)0x20000a8c = 0); NONFAILING(*(uint32_t*)0x20000a90 = 0); NONFAILING(*(uint32_t*)0x20000a94 = 0); NONFAILING(*(uint32_t*)0x20000a98 = 0); NONFAILING(*(uint32_t*)0x20000a9c = 0); NONFAILING(*(uint32_t*)0x20000aa0 = 0); NONFAILING(*(uint32_t*)0x20000aa4 = 0); NONFAILING(*(uint32_t*)0x20000aa8 = 0); NONFAILING(*(uint32_t*)0x20000aac = 0); NONFAILING(*(uint32_t*)0x20000ab0 = 0); NONFAILING(*(uint32_t*)0x20000ab4 = 0); NONFAILING(*(uint32_t*)0x20000ab8 = 0); NONFAILING(*(uint32_t*)0x20000abc = 0); NONFAILING(*(uint32_t*)0x20000ac0 = 0); NONFAILING(*(uint32_t*)0x20000ac4 = 0); NONFAILING(*(uint32_t*)0x20000ac8 = 0); NONFAILING(*(uint32_t*)0x20000acc = 0); NONFAILING(*(uint32_t*)0x20000ad0 = 0); NONFAILING(*(uint32_t*)0x20000ad4 = 0); NONFAILING(*(uint32_t*)0x20000ad8 = 0); NONFAILING(*(uint32_t*)0x20000adc = 0); NONFAILING(*(uint32_t*)0x20000ae0 = 0); NONFAILING(*(uint32_t*)0x20000ae4 = 0); NONFAILING(*(uint32_t*)0x20000ae8 = 0); NONFAILING(*(uint32_t*)0x20000aec = 0); NONFAILING(*(uint32_t*)0x20000af0 = 0); NONFAILING(*(uint32_t*)0x20000af4 = 0); NONFAILING(*(uint32_t*)0x20000af8 = 0); NONFAILING(*(uint32_t*)0x20000afc = 0); NONFAILING(*(uint32_t*)0x20000b00 = 0); NONFAILING(*(uint32_t*)0x20000b04 = 0); NONFAILING(*(uint32_t*)0x20000b08 = 0); NONFAILING(*(uint32_t*)0x20000b0c = 0); NONFAILING(*(uint32_t*)0x20000b10 = 0); NONFAILING(*(uint32_t*)0x20000b14 = 0); NONFAILING(*(uint32_t*)0x20000b18 = 0); NONFAILING(*(uint32_t*)0x20000b1c = 0); NONFAILING(*(uint32_t*)0x20000b20 = 0); NONFAILING(*(uint32_t*)0x20000b24 = 0); NONFAILING(*(uint32_t*)0x20000b28 = 0); NONFAILING(*(uint32_t*)0x20000b2c = 0); NONFAILING(*(uint32_t*)0x20000b30 = 0); NONFAILING(*(uint32_t*)0x20000b34 = 0); NONFAILING(*(uint32_t*)0x20000b38 = 0); NONFAILING(*(uint32_t*)0x20000b3c = 0); NONFAILING(*(uint32_t*)0x20000b40 = 0); NONFAILING(*(uint32_t*)0x20000b44 = 0); NONFAILING(*(uint32_t*)0x20000b48 = 0); NONFAILING(*(uint32_t*)0x20000b4c = 0); NONFAILING(*(uint32_t*)0x20000b50 = 0); NONFAILING(*(uint32_t*)0x20000b54 = 0); NONFAILING(*(uint32_t*)0x20000b58 = 0); NONFAILING(*(uint32_t*)0x20000b5c = 0); NONFAILING(*(uint32_t*)0x20000b60 = 0); NONFAILING(*(uint32_t*)0x20000b64 = 0); NONFAILING(*(uint32_t*)0x20000b68 = 0); NONFAILING(*(uint32_t*)0x20000b6c = 0); NONFAILING(*(uint32_t*)0x20000b70 = 0); NONFAILING(*(uint32_t*)0x20000b74 = 0); NONFAILING(*(uint32_t*)0x20000b78 = 0); NONFAILING(*(uint32_t*)0x20000b7c = 0); NONFAILING(*(uint32_t*)0x20000b80 = 0); NONFAILING(*(uint32_t*)0x20000b84 = 0); NONFAILING(*(uint32_t*)0x20000b88 = 0); NONFAILING(*(uint32_t*)0x20000b8c = 0); NONFAILING(*(uint32_t*)0x20000b90 = 0); NONFAILING(*(uint32_t*)0x20000b94 = 0); NONFAILING(*(uint32_t*)0x20000b98 = 0); NONFAILING(*(uint32_t*)0x20000b9c = 0); NONFAILING(*(uint32_t*)0x20000ba0 = 0); NONFAILING(*(uint32_t*)0x20000ba4 = 0); NONFAILING(*(uint32_t*)0x20000ba8 = 0); NONFAILING(*(uint32_t*)0x20000bac = 0); NONFAILING(*(uint32_t*)0x20000bb0 = 0); NONFAILING(*(uint32_t*)0x20000bb4 = 0); NONFAILING(*(uint32_t*)0x20000bb8 = 0); NONFAILING(*(uint32_t*)0x20000bbc = 0); NONFAILING(*(uint32_t*)0x20000bc0 = 0); NONFAILING(*(uint32_t*)0x20000bc4 = 0); NONFAILING(*(uint32_t*)0x20000bc8 = 0); NONFAILING(*(uint32_t*)0x20000bcc = 0); NONFAILING(*(uint32_t*)0x20000bd0 = 0); NONFAILING(*(uint32_t*)0x20000bd4 = 0); NONFAILING(*(uint32_t*)0x20000bd8 = 0); NONFAILING(*(uint32_t*)0x20000bdc = 0); NONFAILING(*(uint32_t*)0x20000be0 = 0); NONFAILING(*(uint32_t*)0x20000be4 = 0); NONFAILING(*(uint32_t*)0x20000be8 = 0); NONFAILING(*(uint32_t*)0x20000bec = 0); NONFAILING(*(uint32_t*)0x20000bf0 = 0); NONFAILING(*(uint32_t*)0x20000bf4 = 0); NONFAILING(*(uint32_t*)0x20000bf8 = 0); NONFAILING(*(uint32_t*)0x20000bfc = 0); NONFAILING(*(uint32_t*)0x20000c00 = 0); NONFAILING(*(uint32_t*)0x20000c04 = 0); NONFAILING(*(uint32_t*)0x20000c08 = 0); NONFAILING(*(uint32_t*)0x20000c0c = 0); NONFAILING(*(uint32_t*)0x20000c10 = 0); NONFAILING(*(uint32_t*)0x20000c14 = 0); NONFAILING(*(uint32_t*)0x20000c18 = 0); NONFAILING(*(uint32_t*)0x20000c1c = 0); NONFAILING(*(uint32_t*)0x20000c20 = 0); NONFAILING(*(uint32_t*)0x20000c24 = 0); NONFAILING(*(uint32_t*)0x20000c28 = 0); NONFAILING(*(uint32_t*)0x20000c2c = 0); NONFAILING(*(uint32_t*)0x20000c30 = 0); NONFAILING(*(uint32_t*)0x20000c34 = 0); NONFAILING(*(uint32_t*)0x20000c38 = 0); NONFAILING(*(uint32_t*)0x20000c3c = 0); NONFAILING(*(uint32_t*)0x20000c40 = 0); NONFAILING(*(uint32_t*)0x20000c44 = 0); NONFAILING(*(uint32_t*)0x20000c48 = 0); NONFAILING(*(uint32_t*)0x20000c4c = 0); NONFAILING(*(uint32_t*)0x20000c50 = 0); NONFAILING(*(uint32_t*)0x20000c54 = 0); NONFAILING(*(uint32_t*)0x20000c58 = 0); NONFAILING(*(uint32_t*)0x20000c5c = 0); NONFAILING(*(uint32_t*)0x20000c60 = 0); NONFAILING(*(uint32_t*)0x20000c64 = 0); NONFAILING(*(uint32_t*)0x20000c68 = 0); NONFAILING(*(uint32_t*)0x20000c6c = 0); NONFAILING(*(uint32_t*)0x20000c70 = 0); NONFAILING(*(uint32_t*)0x20000c74 = 0); NONFAILING(*(uint32_t*)0x20000c78 = 0); NONFAILING(*(uint32_t*)0x20000c7c = 0); NONFAILING(*(uint32_t*)0x20000c80 = 0); NONFAILING(*(uint32_t*)0x20000c84 = 0); NONFAILING(*(uint32_t*)0x20000c88 = 0); NONFAILING(*(uint32_t*)0x20000c8c = 0); NONFAILING(*(uint32_t*)0x20000c90 = 0); NONFAILING(*(uint32_t*)0x20000c94 = 0); NONFAILING(*(uint32_t*)0x20000c98 = 0); NONFAILING(*(uint32_t*)0x20000c9c = 0); NONFAILING(*(uint32_t*)0x20000ca0 = 0); NONFAILING(*(uint32_t*)0x20000ca4 = 0); NONFAILING(*(uint32_t*)0x20000ca8 = 0); NONFAILING(*(uint32_t*)0x20000cac = 0); NONFAILING(*(uint32_t*)0x20000cb0 = 0); NONFAILING(*(uint32_t*)0x20000cb4 = 0); NONFAILING(*(uint32_t*)0x20000cb8 = 0); NONFAILING(*(uint32_t*)0x20000cbc = 0); NONFAILING(*(uint32_t*)0x20000cc0 = 0); NONFAILING(*(uint32_t*)0x20000cc4 = 0); NONFAILING(*(uint32_t*)0x20000cc8 = 0); NONFAILING(*(uint32_t*)0x20000ccc = 0); NONFAILING(*(uint32_t*)0x20000cd0 = 0); NONFAILING(*(uint32_t*)0x20000cd4 = 0); NONFAILING(*(uint32_t*)0x20000cd8 = 0); syscall(__NR_write, r[1], 0x20000880, 0x45c); break; case 6: syscall(__NR_ioctl, r[1], 0x5501, 0); break; } } int main(void) { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); install_segv_handler(); for (procid = 0; procid < 6; procid++) { if (fork() == 0) { loop(); } } sleep(1000000); return 0; }