diff options
| -rw-r--r-- | linux-user/syscall.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index e2f356bb96..90f6789e5f 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -5699,6 +5699,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (arg_sigset) { sig.set = &set; + if (arg_sigsize != sizeof(*target_sigset)) { + /* Like the kernel, we enforce correct size sigsets */ + ret = -TARGET_EINVAL; + goto fail; + } target_sigset = lock_user(VERIFY_READ, arg_sigset, sizeof(*target_sigset), 1); if (!target_sigset) { |