// 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[1] = {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*)0x200000c0, "/dev/audio1\000", 12); res = syscall(__NR_openat, 0xffffffffffffff9cul, 0x200000c0ul, 0x42ul, 0ul); if (res != -1) r[0] = res; *(uint64_t*)0x20000080 = 0x20000040; memcpy((void*)0x20000040, "\x7a\x7a\xcd\x52\x5e\xaf\x25\xec\xe6\x59\xd5\xc9" "\x45\xc9\x71\x6a\xda\x7e\x55\x39\xe2\x86\x40\x8d" "\x91\x48\x08\x79", 28); *(uint64_t*)0x20000088 = 0x1c; syscall(__NR_writev, r[0], 0x20000080ul, 1ul); return 0; }