netdev - [PATCH net 115/117] Bluetooth: set force_no_mitm_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]

Date:   Thu,  8 Oct 2020 15:52:07 +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 115/117] Bluetooth: set force_no_mitm_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: c2aa30db744d ("Bluetooth: debugfs option to unset MITM flag")
Signed-off-by: Taehee Yoo <ap420073@...il.com>
---
 net/bluetooth/hci_debugfs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c
index 6ea692a3d4a8..c9a074da16dd 100644
--- a/net/bluetooth/hci_debugfs.c
+++ b/net/bluetooth/hci_debugfs.c
@@ -1122,6 +1122,7 @@ static const struct file_operations force_no_mitm_fops = {
 	.read		= force_no_mitm_read,
 	.write		= force_no_mitm_write,
 	.llseek		= default_llseek,
+	.owner		= THIS_MODULE,
 };
 
 DEFINE_QUIRK_ATTRIBUTE(quirk_strict_duplicate_filter,
-- 
2.17.1