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apparmor: Fix logical error in verify_header()

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verify_header() is currently checking whether interface version is less
than 5 *and* greater than 7, which always evaluates to false. Instead it
should check whether it is less than 5 *or* greater than 7.

Signed-off-by: Christos Gkekas <chris.gekas@gmail.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
Christos Gkekas 2017-07-08 20:50:21 +01:00 • committed by John Johansen
parent 19fe43a54f
commit 86aea56f14
1 changed files with 1 additions and 1 deletions
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2
security/apparmor/policy_unpack.c
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@ -832,7 +832,7 @@ static int verify_header(struct aa_ext *e, int required, const char **ns)
* if not specified use previous version * if not specified use previous version
* Mask off everything that is not kernel abi version * Mask off everything that is not kernel abi version
*/ */
if (VERSION_LT(e->version, v5) && VERSION_GT(e->version, v7)) { if (VERSION_LT(e->version, v5) || VERSION_GT(e->version, v7)) {
audit_iface(NULL, NULL, NULL, "unsupported interface version", audit_iface(NULL, NULL, NULL, "unsupported interface version",
e, error); e, error);
return error; return error;