Message ID | 20230704085653.6443-1-duminjie@vivo.com (mailing list archive) |
---|---|
State | Handled Elsewhere |
Headers | show |
Series | [v1] security: remove duplicate logical judgments in return | expand |
On 7/4/23 01:56, Minjie Du wrote: > Fix: delate duplicate logical judgments: > aa_unpack_u32(e, &perm->allow, NULL); > Please check this. Thank you! > > Signed-off-by: Minjie Du <duminjie@vivo.com> NAK, it is a bug but not in a way that we can do this, which will break the unpack. The first entry is reserved, and for the moment should be skipped. Double loading to &perm->allow, effectively does that but was not what was intended either. There is a patch coming that loads the first entry to a tmp variable and does a check that it is 0. > --- > security/apparmor/policy_unpack.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/security/apparmor/policy_unpack.c b/security/apparmor/policy_unpack.c > index 694fb7a09..2069adf0a 100644 > --- a/security/apparmor/policy_unpack.c > +++ b/security/apparmor/policy_unpack.c > @@ -646,7 +646,6 @@ static bool unpack_perm(struct aa_ext *e, u32 version, struct aa_perms *perm) > return false; > > return aa_unpack_u32(e, &perm->allow, NULL) && > - aa_unpack_u32(e, &perm->allow, NULL) && > aa_unpack_u32(e, &perm->deny, NULL) && > aa_unpack_u32(e, &perm->subtree, NULL) && > aa_unpack_u32(e, &perm->cond, NULL) &&
diff --git a/security/apparmor/policy_unpack.c b/security/apparmor/policy_unpack.c index 694fb7a09..2069adf0a 100644 --- a/security/apparmor/policy_unpack.c +++ b/security/apparmor/policy_unpack.c @@ -646,7 +646,6 @@ static bool unpack_perm(struct aa_ext *e, u32 version, struct aa_perms *perm) return false; return aa_unpack_u32(e, &perm->allow, NULL) && - aa_unpack_u32(e, &perm->allow, NULL) && aa_unpack_u32(e, &perm->deny, NULL) && aa_unpack_u32(e, &perm->subtree, NULL) && aa_unpack_u32(e, &perm->cond, NULL) &&
Fix: delate duplicate logical judgments: aa_unpack_u32(e, &perm->allow, NULL); Please check this. Thank you! Signed-off-by: Minjie Du <duminjie@vivo.com> --- security/apparmor/policy_unpack.c | 1 - 1 file changed, 1 deletion(-)