diff mbox series

[PULL,38/45] linux-user/aarch64: Verify extra record lock succeeded

Message ID 20220711135750.765803-39-peter.maydell@linaro.org
State Accepted
Commit 8e5e19ee4193acfe17ce43e708c79211c11f5779
Headers show
Series [PULL,01/45] target/arm: Handle SME in aarch64_cpu_dump_state | expand

Commit Message

Peter Maydell July 11, 2022, 1:57 p.m. UTC 
From: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220708151540.18136-39-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 linux-user/aarch64/signal.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/linux-user/aarch64/signal.c b/linux-user/aarch64/signal.c
index 8fbe98d72f2..9ff79da4be0 100644
--- a/linux-user/aarch64/signal.c
+++ b/linux-user/aarch64/signal.c
@@ -340,6 +340,9 @@  static int target_restore_sigframe(CPUARMState *env,
             __get_user(extra_size,
                        &((struct target_extra_context *)ctx)->size);
             extra = lock_user(VERIFY_READ, extra_datap, extra_size, 0);
+            if (!extra) {
+                return 1;
+            }
             break;
 
         default: