diff options
| author | Vijay Bellur <vbellur@redhat.com> | 2018-08-22 12:03:04 -0700 |
|---|---|---|
| committer | Amar Tumballi <amarts@redhat.com> | 2018-08-27 12:31:05 +0000 |
| commit | ddaa43e6a27ee650bbf8fd6ee731276c98042a67 (patch) | |
| tree | 1f129936e76d24fe77279b2685fffd07d6cea710 /xlators/cluster/ec | |
| parent | 1b499e9dfe63ce051a071cacc19e3161b7a32636 (diff) | |
cluster/ec: Prevent a possible out-of-bounds read
Addresses CID 1370939
In ec_code_x64_epilog(), there is a possibility of reading from an
incorrect index of ec_code_x64_regmap array
Change-Id: Ib8a228bbe13631188343634b2bde5919cdaab5a4
Updates: bz#789278
Signed-off-by: Vijay Bellur <vbellur@redhat.com>
Diffstat (limited to 'xlators/cluster/ec')
| -rw-r--r-- | xlators/cluster/ec/src/ec-code-x64.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/xlators/cluster/ec/src/ec-code-x64.c b/xlators/cluster/ec/src/ec-code-x64.c index e94ddd4b155..cfec4b3be7a 100644 --- a/xlators/cluster/ec/src/ec-code-x64.c +++ b/xlators/cluster/ec/src/ec-code-x64.c @@ -49,6 +49,7 @@ ec_code_x64_epilog(ec_code_builder_t *builder) if (builder->regs > 11) { ec_code_error(builder, EINVAL); + return; } for (i = builder->regs; i > 7; i--) { ec_code_intel_op_pop_r(builder, ec_code_x64_regmap[i - 1]); |