linux-kernel - [PATCH] ext4: Make ext4_lazyinit

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-next>] [day] [month] [year] [list]

Message-Id: <20220818214049.1519544-1-lalithkraj@google.com>
Date:   Thu, 18 Aug 2022 21:40:49 +0000
From:   Lalith Rajendran <lalithkraj@...gle.com>
To:     tytso@....edu, dilger.kernel@...ger.ca, linux-ext4@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Lalith Rajendran <lalithkraj@...gle.com>
Subject: [PATCH] ext4: Make ext4_lazyinit_thread freezable.

ext4_lazyinit_thread is not set freezable. Hence when the thread calls
try_to_freeze it doesn't freeze during suspend and continues to send
requests to the storage during suspend, resulting in suspend failures.

Signed-off-by: Lalith Rajendran <lalithkraj@...gle.com>
---
 fs/ext4/super.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 9a66abcca1a85..d77e0904a1327 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3767,6 +3767,7 @@ static int ext4_lazyinit_thread(void *arg)
 	unsigned long next_wakeup, cur;
 
 	BUG_ON(NULL == eli);
+	set_freezable();
 
 cont_thread:
 	while (true) {
-- 
2.31.0