On Feb 25, 2011, at 6:07 AM, Stephen Smalley wrote:
On Thu, 2011-02-24 at 12:57 -0800, Justin Mattock wrote:
this just popped up..:
[29804.908327] SELinux: Invalid class 3588
[29804.908438] ------------[ cut here ]------------
[29804.908443] kernel BUG at security/selinux/avc.c:162!
It might help debugging to get as much of the AVC message as we can
even
in this case, e.g.
cool, thanks for the debug patch... I applied it, and will run it to
see if this fires off..
current kernel is: 2.6.38-rc6-00116-g2821f46
diff --git a/security/selinux/avc.c b/security/selinux/avc.c
index 9da6420..8c0ad28 100644
--- a/security/selinux/avc.c
+++ b/security/selinux/avc.c
@@ -111,6 +111,11 @@ static void avc_dump_av(struct audit_buffer
*ab, u16 tclass, u32 av)
return;
}
+ if (tclass >= ARRAY_SIZE(secclass_map)) {
+ audit_log_format(ab, " 0x%x", av);
+ return;
+ }
+
perms = secclass_map[tclass-1].perms;
audit_log_format(ab, " {");
@@ -159,8 +164,10 @@ static void avc_dump_query(struct audit_buffer
*ab, u32 ssid, u32 tsid, u16 tcla
kfree(scontext);
}
- BUG_ON(tclass >= ARRAY_SIZE(secclass_map));
- audit_log_format(ab, " tclass=%s", secclass_map[tclass-1].name);
+ if (tclass < ARRAY_SIZE(secclass_map))
+ audit_log_format(ab, " tclass=%s", secclass_map[tclass-1].name);
+ else
+ audit_log_format(ab, " tclass=%d", tclass);
}
/**
--
Stephen Smalley
National Security Agency
Justin P. Mattock
--
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