Sorry for accidentaly sending this patch twice.
My mail system reports that it can't be delivered to Peter Maydell
<peter.mayd...@linaro.org>
and I am trying to solve it.
On 3/25/25 1:17 PM, Anastasia Belova wrote:
From: Anastasia Belova <nabelov...@gmail.com>
Add an assertion similar to that in the do_shr_narrow().
This will make sure that functions from sshll_ops
have correct arguments.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Anastasia Belova <abel...@astralinux.ru>
---
target/arm/tcg/translate-sve.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/target/arm/tcg/translate-sve.c b/target/arm/tcg/translate-sve.c
index d23be477b4..47ada85c92 100644
--- a/target/arm/tcg/translate-sve.c
+++ b/target/arm/tcg/translate-sve.c
@@ -6250,6 +6250,7 @@ static bool do_shll_tb(DisasContext *s, arg_rri_esz *a,
if (a->esz < 0 || a->esz > 2) {
return false;
}
+ assert(a->imm > 0 && a->imm <= (8 << a->esz));
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
tcg_gen_gvec_2i(vec_full_reg_offset(s, a->rd),
