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-rw-r--r--linux-user/s390x/signal.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/linux-user/s390x/signal.c b/linux-user/s390x/signal.c
index 81ba59b46a..839a7ae4b3 100644
--- a/linux-user/s390x/signal.c
+++ b/linux-user/s390x/signal.c
@@ -141,6 +141,8 @@ void setup_frame(int sig, struct target_sigaction *ka,
return;
}
+ /* Make sure that we're initializing all of oldmask. */
+ QEMU_BUILD_BUG_ON(ARRAY_SIZE(frame->sc.oldmask) != 1);
__put_user(set->sig[0], &frame->sc.oldmask[0]);
save_sigregs(env, &frame->sregs);
@@ -266,6 +268,9 @@ long do_sigreturn(CPUS390XState *env)
force_sig(TARGET_SIGSEGV);
return -TARGET_QEMU_ESIGRETURN;
}
+
+ /* Make sure that we're initializing all of target_set. */
+ QEMU_BUILD_BUG_ON(ARRAY_SIZE(target_set.sig) != 1);
__get_user(target_set.sig[0], &frame->sc.oldmask[0]);
target_to_host_sigset_internal(&set, &target_set);