Zero out all of the size counters in the -E2BIG case (buffer too
small) to help make the current code a bit more robust in the face of
future code changes.
Signed-off-by: Paul Moore <paul@xxxxxxxxxxxxxx>
---
security/security.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/security/security.c b/security/security.c
index 988483fcf153..9c63acded4ee 100644
--- a/security/security.c
+++ b/security/security.c
@@ -3951,8 +3951,9 @@ int security_getselfattr(unsigned int attr, struct lsm_ctx __user *uctx,
continue;
}
if (rc == -E2BIG) {
- toobig = true;
+ rc = 0;
left = 0;
+ toobig = true;
} else if (rc < 0)
return rc;
else
--
2.42.0
