// https://syzkaller.appspot.com/bug?id=443f2c2621907a1e3dc07e608e13d778cfc4e717 // 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, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=*/7ul, /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul); intptr_t res = 0; memcpy((void*)0x20000000, "/dev/fb0\000", 9); res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x20000000ul, /*flags=*/0x402ul, /*mode=*/0ul); if (res != -1) r[0] = res; syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0xb36000ul, /*prot=*/0x1000006ul, /*flags=*/0x28011ul, /*fd=*/r[0], /*offset=*/0ul); syscall(__NR_bind, /*fd=*/-1, /*addr=*/0ul, /*addrlen=*/0ul); syscall(__NR_ioctl, /*fd=*/-1, /*cmd=*/0x40086e81, /*arg=*/0ul); memcpy((void*)0x20000000, "/dev/fb0\000", 9); res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x20000000ul, /*flags=*/0x402ul, /*mode=*/0ul); if (res != -1) r[1] = res; syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0xb36000ul, /*prot=*/0x1000006ul, /*flags=*/0x28011ul, /*fd=*/r[1], /*offset=*/0x2fc000ul); syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0ul, /*flags=*/0x402ul, /*mode=*/0ul); syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0xb36000ul, /*prot=*/0x1000006ul, /*flags=*/0x28011ul, /*fd=*/r[1], /*offset=*/0x2fc000ul); memcpy((void*)0x20000000, "/dev/fb0\000", 9); syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x20000000ul, /*flags=*/0x212e82ul, /*mode=*/0ul); syscall(__NR_ioctl, /*fd=*/-1, /*cmd=*/0x5000940c, /*arg=*/0ul); return 0; }