diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2022-04-01 13:36:59 -0600 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2022-04-26 19:58:43 -0700 |
| commit | 21641ee5a9b31568c990c7fc949eeb9bcd0f6a0f (patch) | |
| tree | 002db74e221dc0bdc25db07779fc9fc3668171bd /target/s390x | |
| parent | b826044fc0c21d90a7fcfcf883cc8a8bf1bd7424 (diff) | |
target/s390x: Fix the accumulation of ccm in op_icm
Coverity rightly reports that 0xff << pos can overflow.
This would affect the ICMH instruction.
Fixes: Coverity CID 1487161
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220401193659.332079-1-richard.henderson@linaro.org>
Diffstat (limited to 'target/s390x')
| -rw-r--r-- | target/s390x/tcg/translate.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c index ae70368966..8f092dab95 100644 --- a/target/s390x/tcg/translate.c +++ b/target/s390x/tcg/translate.c @@ -2622,7 +2622,7 @@ static DisasJumpType op_icm(DisasContext *s, DisasOps *o) tcg_gen_qemu_ld8u(tmp, o->in2, get_mem_index(s)); tcg_gen_addi_i64(o->in2, o->in2, 1); tcg_gen_deposit_i64(o->out, o->out, tmp, pos, 8); - ccm |= 0xff << pos; + ccm |= 0xffull << pos; } m3 = (m3 << 1) & 0xf; pos -= 8; |