linux-stable/net/bpfilter
Gary Lin fc2ea819b9 bpfilter: Specify the log level for the kmsg message
[ Upstream commit a196fa78a2 ]

Per the kmsg document [0], if we don't specify the log level with a
prefix "<N>" in the message string, the default log level will be
applied to the message. Since the default level could be warning(4),
this would make the log utility such as journalctl treat the message,
"Started bpfilter", as a warning. To avoid confusion, this commit
adds the prefix "<5>" to make the message always a notice.

  [0] https://www.kernel.org/doc/Documentation/ABI/testing/dev-kmsg

Fixes: 36c4357c63 ("net: bpfilter: print umh messages to /dev/kmsg")
Reported-by: Martin Loviska <mloviska@suse.com>
Signed-off-by: Gary Lin <glin@suse.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Dmitrii Banshchikov <me@ubique.spb.ru>
Link: https://lore.kernel.org/bpf/20210623040918.8683-1-glin@suse.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-07-14 16:56:29 +02:00
..
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
Kconfig bpf: Add kernel module with user mode driver that populates bpffs. 2020-08-20 16:02:36 +02:00
Makefile bpfilter: Allow to build bpfilter_umh as a module without static library 2020-07-14 12:37:06 -07:00
bpfilter_kern.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-08-02 01:02:12 -07:00
bpfilter_umh_blob.S bpfilter: Move bpfilter_umh back into init data 2020-07-04 09:35:50 -05:00
main.c bpfilter: Specify the log level for the kmsg message 2021-07-14 16:56:29 +02:00
msgfmt.h