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authorRichard Henderson <richard.henderson@linaro.org>2022-07-08 20:45:33 +0530
committerPeter Maydell <peter.maydell@linaro.org>2022-07-11 13:43:51 +0100
commit8e5e19ee4193acfe17ce43e708c79211c11f5779 (patch)
tree3f88d99706de1ee82995e68d8cfdba5abcac71aa /linux-user
parentaffb1a50b95b0d523868db759038bb0ff915a906 (diff)
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linux-user/aarch64: Verify extra record lock succeeded
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>
Diffstat (limited to 'linux-user')
-rw-r--r--linux-user/aarch64/signal.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/linux-user/aarch64/signal.c b/linux-user/aarch64/signal.c
index 8fbe98d..9ff79da 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: