profile->disconnected was storing an invalid reference to the disconnected path. Fix it by duplicating the string using aa_unpack_strdup and freeing accordingly.
Signed-off-by: Georgia Garcia <[email protected]> --- security/apparmor/policy.c | 1 + security/apparmor/policy_unpack.c | 5 +++-- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/security/apparmor/policy.c b/security/apparmor/policy.c index 4817c1b30105..d7525f228c43 100644 --- a/security/apparmor/policy.c +++ b/security/apparmor/policy.c @@ -255,6 +255,7 @@ void aa_free_profile(struct aa_profile *profile) aa_put_ns(profile->ns); kfree_sensitive(profile->rename); + kfree_sensitive(profile->disconnected); free_attachment(&profile->attach); diff --git a/security/apparmor/policy_unpack.c b/security/apparmor/policy_unpack.c index d2d740bb5618..8b2ad42c80ba 100644 --- a/security/apparmor/policy_unpack.c +++ b/security/apparmor/policy_unpack.c @@ -804,7 +804,7 @@ static struct aa_profile *unpack_profile(struct aa_ext *e, char **ns_name) const char *info = "failed to unpack profile"; size_t ns_len; struct rhashtable_params params = { 0 }; - char *key = NULL; + char *key = NULL, *disconnected = NULL; struct aa_data *data; int error = -EPROTO; kernel_cap_t tmpcap; @@ -870,7 +870,8 @@ static struct aa_profile *unpack_profile(struct aa_ext *e, char **ns_name) } /* disconnected attachment string is optional */ - (void) aa_unpack_str(e, &profile->disconnected, "disconnected"); + (void) aa_unpack_strdup(e, &disconnected, "disconnected"); + profile->disconnected = disconnected; /* per profile debug flags (complain, audit) */ if (!aa_unpack_nameX(e, AA_STRUCT, "flags")) { -- 2.34.1
