diff options
| -rw-r--r-- | arch/arm64/kernel/signal.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/kernel/signal.c b/arch/arm64/kernel/signal.c index 8e6500c9471b..a032906cf4f7 100644 --- a/arch/arm64/kernel/signal.c +++ b/arch/arm64/kernel/signal.c @@ -344,6 +344,10 @@ static int parse_user_sigframe(struct user_ctxs *user, */ offset = 0; limit = extra_size; + + if (!access_ok(VERIFY_READ, base, limit)) + goto invalid; + continue; default: |