On Fri, Apr 19, 2019 at 9:49 PM Wenwen Wang <wang6...@umn.edu> wrote: > In audit_rule_change(), audit_data_to_entry() is firstly invoked to > translate the payload data to the kernel's rule representation. In > audit_data_to_entry(), depending on the audit field type, an audit tree may > be created in audit_make_tree(), which eventually invokes kmalloc() to > allocate the tree. Since this tree is a temporary tree, it will be then > freed in the following execution, e.g., audit_add_rule() if the message > type is AUDIT_ADD_RULE or audit_del_rule() if the message type is > AUDIT_DEL_RULE. However, if the message type is neither AUDIT_ADD_RULE nor > AUDIT_DEL_RULE, i.e., the default case of the switch statement, this > temporary tree is not freed. > > To fix this issue, only allocate the tree when the type is AUDIT_ADD_RULE > or AUDIT_DEL_RULE. > > Signed-off-by: Wenwen Wang <wang6...@umn.edu> > --- > kernel/auditfilter.c | 12 +++++++----- > 1 file changed, 7 insertions(+), 5 deletions(-)
Merged into audit/next - thanks! -- paul moore www.paul-moore.com -- Linux-audit mailing list Linux-audit@redhat.com https://www.redhat.com/mailman/listinfo/linux-audit
