From 0b00b0c1e05b34904635cf1b5cfdd945d1a8475e Mon Sep 17 00:00:00 2001 From: Ilya Leoshkevich Date: Fri, 16 Apr 2021 17:49:39 +0200 Subject: [PATCH] accel/tcg: Assert that tb->size != 0 after translation If arch-specific code generates a translation block of size 0, tb_gen_code() may generate a spurious exception. Add an assertion in order to catch such situations early. Signed-off-by: Ilya Leoshkevich Reviewed-by: David Hildenbrand Message-Id: <20210416154939.32404-5-iii@linux.ibm.com> Signed-off-by: Cornelia Huck --- accel/tcg/translate-all.c | 1 + 1 file changed, 1 insertion(+) diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c index fbf8fc630b..640ff6e3e7 100644 --- a/accel/tcg/translate-all.c +++ b/accel/tcg/translate-all.c @@ -1912,6 +1912,7 @@ TranslationBlock *tb_gen_code(CPUState *cpu, tcg_ctx->cpu = env_cpu(env); gen_intermediate_code(cpu, tb, max_insns); + assert(tb->size != 0); tcg_ctx->cpu = NULL; max_insns = tb->icount; -- 2.11.4.GIT