// https://syzkaller.appspot.com/bug?id=cd2a427abfbf4e92ead7ada51dc4e48fe160bc95 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); intptr_t res = 0; syscall(__NR_socket, 0x10ul, 3ul, 0); syscall(__NR_getsockname, -1, 0ul, 0ul); memcpy((void*)0x20000180, "/dev/fb0\000", 9); res = syscall(__NR_openat, 0xffffffffffffff9cul, 0x20000180ul, 0ul, 0ul); if (res != -1) r[0] = res; *(uint32_t*)0x200001c0 = 0x500; *(uint32_t*)0x200001c4 = 0x10; *(uint32_t*)0x200001c8 = 0; *(uint32_t*)0x200001cc = 0; *(uint32_t*)0x200001d0 = 0; *(uint32_t*)0x200001d4 = 0; *(uint32_t*)0x200001d8 = 4; *(uint32_t*)0x200001dc = 0x4000; *(uint32_t*)0x200001e0 = 0; *(uint32_t*)0x200001e4 = 0; *(uint32_t*)0x200001e8 = 0; *(uint32_t*)0x200001ec = 0; *(uint32_t*)0x200001f0 = 0; *(uint32_t*)0x200001f4 = 0; *(uint32_t*)0x200001f8 = 0; *(uint32_t*)0x200001fc = 0; *(uint32_t*)0x20000200 = 0; *(uint32_t*)0x20000204 = 0; *(uint32_t*)0x20000208 = 0; *(uint32_t*)0x2000020c = 0; *(uint32_t*)0x20000210 = 0; *(uint32_t*)0x20000214 = 0; *(uint32_t*)0x20000218 = 0; *(uint32_t*)0x2000021c = 0; *(uint32_t*)0x20000220 = 0; *(uint32_t*)0x20000224 = 0; *(uint32_t*)0x20000228 = 0; *(uint32_t*)0x2000022c = 0; *(uint32_t*)0x20000230 = 0; *(uint32_t*)0x20000234 = 0; *(uint32_t*)0x20000238 = 0; *(uint32_t*)0x2000023c = 0; *(uint32_t*)0x20000240 = 0; *(uint32_t*)0x20000244 = 0; *(uint32_t*)0x20000248 = 0; *(uint32_t*)0x2000024c = 0; *(uint32_t*)0x20000250 = 0; *(uint32_t*)0x20000254 = 0; *(uint32_t*)0x20000258 = 0; *(uint32_t*)0x2000025c = 0; syscall(__NR_ioctl, r[0], 0x4601, 0x200001c0ul); syscall(__NR_ioctl, -1, 0x8912, 0x400200ul); syscall(__NR_socket, 0xaul, 1ul, 0); syscall(__NR_socket, 2ul, 3ul, 1); syscall(__NR_connect, -1, 0ul, 0ul); syscall(__NR_ioctl, -1, 0x4601, 0ul); memcpy((void*)0x20000180, "/dev/fb0\000", 9); res = syscall(__NR_openat, 0xffffffffffffff9cul, 0x20000180ul, 0ul, 0ul); if (res != -1) r[1] = res; *(uint32_t*)0x200001c0 = 0x500; *(uint32_t*)0x200001c4 = 0; *(uint32_t*)0x200001c8 = 0; *(uint32_t*)0x200001cc = 0x10; *(uint32_t*)0x200001d0 = 0; *(uint32_t*)0x200001d4 = 0; *(uint32_t*)0x200001d8 = 4; *(uint32_t*)0x200001dc = 0x4000; *(uint32_t*)0x200001e0 = 0; *(uint32_t*)0x200001e4 = 0; *(uint32_t*)0x200001e8 = 0; *(uint32_t*)0x200001ec = 0; *(uint32_t*)0x200001f0 = 0; *(uint32_t*)0x200001f4 = 0; *(uint32_t*)0x200001f8 = 0; *(uint32_t*)0x200001fc = 0; *(uint32_t*)0x20000200 = 0; *(uint32_t*)0x20000204 = 0; *(uint32_t*)0x20000208 = 0; *(uint32_t*)0x2000020c = 0; *(uint32_t*)0x20000210 = 0; *(uint32_t*)0x20000214 = 0; *(uint32_t*)0x20000218 = 0; *(uint32_t*)0x2000021c = 0; *(uint32_t*)0x20000220 = 0; *(uint32_t*)0x20000224 = 0; *(uint32_t*)0x20000228 = 0; *(uint32_t*)0x2000022c = 0; *(uint32_t*)0x20000230 = 0; *(uint32_t*)0x20000234 = 0; *(uint32_t*)0x20000238 = 0; *(uint32_t*)0x2000023c = 0; *(uint32_t*)0x20000240 = 0; *(uint32_t*)0x20000244 = 0; *(uint32_t*)0x20000248 = 0; *(uint32_t*)0x2000024c = 0; *(uint32_t*)0x20000250 = 0; *(uint32_t*)0x20000254 = 0; *(uint32_t*)0x20000258 = 0; *(uint32_t*)0x2000025c = 0; syscall(__NR_ioctl, r[1], 0x4601, 0x200001c0ul); syscall(__NR_sendmsg, -1, 0ul, 0ul); return 0; }