See:
  https://github.com/torvalds/linux/blob/master/arch/loongarch/kernel/signal.c

The kernel setup_sigcontext() set end context size 0.

Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 linux-user/loongarch64/signal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/linux-user/loongarch64/signal.c b/linux-user/loongarch64/signal.c
index 6844f187ee..cc8324b4b3 100644
--- a/linux-user/loongarch64/signal.c
+++ b/linux-user/loongarch64/signal.c
@@ -154,7 +154,7 @@ static void setup_sigframe(CPULoongArchState *env,
      */
     info = extctx->end.haddr;
     __put_user(0, &info->magic);
-    __put_user(extctx->end.size, &info->size);
+    __put_user(0, &info->size);
 }
 
 static bool parse_extcontext(struct extctx_layout *extctx, abi_ptr frame)
-- 
2.25.1