// https://syzkaller.appspot.com/bug?id=8025da1388d1e3d3800ac273d7c4c68f6433bc84 // 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; memcpy((void*)0x20000dc0, "/dev/dsp1\000", 10); res = syscall(__NR_openat, 0xffffffffffffff9cul, 0x20000dc0ul, 0x801ul, 0ul); if (res != -1) r[0] = res; res = syscall(__NR_dup, r[0]); if (res != -1) r[1] = res; *(uint32_t*)0x20000080 = 1; syscall(__NR_write, r[1], 0x20000080ul, 0xfdcful); return 0; }