linux-kernel - [PATCH net-next 4/6] netconsole: append release to sysdata

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250314-netcons_release-v1-4-07979c4b86af@debian.org>
Date: Fri, 14 Mar 2025 10:58:48 -0700
From: Breno Leitao <leitao@...ian.org>
To: Breno Leitao <leitao@...ian.org>, Andrew Lunn <andrew+netdev@...n.ch>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Shuah Khan <shuah@...nel.org>, Simon Horman <horms@...nel.org>, 
 Jonathan Corbet <corbet@....net>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-kselftest@...r.kernel.org, linux-doc@...r.kernel.org, 
 Manu Bretelle <chantr4@...il.com>, kernel-team@...a.com
Subject: [PATCH net-next 4/6] netconsole: append release to sysdata

Append the init_utsname()->release to sysdata buffer before sending the
message in case the feature is set.

Signed-off-by: Breno Leitao <leitao@...ian.org>
---
 drivers/net/netconsole.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c
index 970dfc3ac9d41..0a7981ef752c7 100644
--- a/drivers/net/netconsole.c
+++ b/drivers/net/netconsole.c
@@ -1238,6 +1238,14 @@ static int sysdata_append_taskname(struct netconsole_target *nt, int offset)
 			 MAX_EXTRADATA_ENTRY_LEN, " taskname=%s\n",
 			 current->comm);
 }
+
+static int sysdata_append_release(struct netconsole_target *nt, int offset)
+{
+	return scnprintf(&nt->extradata_complete[offset],
+			 MAX_EXTRADATA_ENTRY_LEN, " release=%s\n",
+			 init_utsname()->release);
+}
+
 /*
  * prepare_extradata - append sysdata at extradata_complete in runtime
  * @nt: target to send message to
@@ -1259,6 +1267,8 @@ static int prepare_extradata(struct netconsole_target *nt)
 		extradata_len += sysdata_append_cpu_nr(nt, extradata_len);
 	if (nt->sysdata_fields & SYSDATA_TASKNAME)
 		extradata_len += sysdata_append_taskname(nt, extradata_len);
+	if (nt->sysdata_fields & SYSDATA_RELEASE)
+		extradata_len += sysdata_append_release(nt, extradata_len);

 	WARN_ON_ONCE(extradata_len >
 		     MAX_EXTRADATA_ENTRY_LEN * MAX_EXTRADATA_ITEMS);

-- 
2.47.1