From: Eugene Syromyatnikov <evgsyr@gmail.com>
Date: Tue, 28 Aug 2018 01:07:59 +0000 (+0200)
Subject: nlattr: ignore nla_type flags when selecting nlattr decoder
X-Git-Tag: v4.25~25
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=201e01dbacc27d94ec1cf0f81016b1236b1c0a98;p=strace

nlattr: ignore nla_type flags when selecting nlattr decoder

* nlattr.c (decode_nlattr_with_data): Apply NLA_TYPE_MASK to nla_type
before decoder selection.
---

diff --git a/nlattr.c b/nlattr.c
index e7ea5330..315d6994 100644
--- a/nlattr.c
+++ b/nlattr.c
@@ -101,7 +101,8 @@ decode_nlattr_with_data(struct tcb *const tcp,
 	print_nlattr(nla, table, dflt);
 
 	if (nla_len > NLA_HDRLEN) {
-		const unsigned int idx = size ? nla->nla_type : 0;
+		const unsigned int idx =
+			size ? nla->nla_type & NLA_TYPE_MASK : 0;
 
 		tprints(", ");
 		if (!decoders