netdev - [PATCH net 021/117] 6lowpan: iphc: set lowpan_ctx_pfx_fops.owner to THIS

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: <20201008155209.18025-21-ap420073@gmail.com>
Date:   Thu,  8 Oct 2020 15:50:33 +0000
From:   Taehee Yoo <ap420073@...il.com>
To:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org
Cc:     ap420073@...il.com, linux-wireless@...r.kernel.org,
        wil6210@....qualcomm.com, b43-dev@...ts.infradead.org,
        linux-bluetooth@...r.kernel.org
Subject: [PATCH net 021/117] 6lowpan: iphc: set lowpan_ctx_pfx_fops.owner to THIS_MODULE

If THIS_MODULE is not set, the module would be removed while debugfs is
being used.
It eventually makes kernel panic.

Fixes: 5609c185f24d ("6lowpan: iphc: add support for stateful compression")
Signed-off-by: Taehee Yoo <ap420073@...il.com>
---
 net/6lowpan/debugfs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/6lowpan/debugfs.c b/net/6lowpan/debugfs.c
index 1c140af06d52..29c3627a00e2 100644
--- a/net/6lowpan/debugfs.c
+++ b/net/6lowpan/debugfs.c
@@ -161,6 +161,7 @@ static const struct file_operations lowpan_ctx_pfx_fops = {
 	.write		= lowpan_ctx_pfx_write,
 	.llseek		= seq_lseek,
 	.release	= single_release,
+	.owner		= THIS_MODULE,
 };
 
 static void lowpan_dev_debugfs_ctx_init(struct net_device *dev,
-- 
2.17.1