diff mbox series

[v3,44/51] linux-user/aarch64: Verify extra record lock succeeded

Message ID 20220620175235.60881-45-richard.henderson@linaro.org
State Superseded
Headers show
Series target/arm: Scalable Matrix Extension | expand

Commit Message

Richard Henderson June 20, 2022, 5:52 p.m. UTC 
Signed-off-by: Richard Henderson <richard.henderson@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 8fbe98d72f..9ff79da4be 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: