linux-kernel - Re: [syzbot] Re: [syzbot] [ext4?] WARNING in ext4_journal_check

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Message-ID: <681d7a38.050a0220.a19a9.0123.GAE@google.com>
Date: Thu, 08 May 2025 20:44:56 -0700
From: syzbot <syzbot+b75d75f957975f3d40e3@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org
Subject: Re: [syzbot] Re: [syzbot] [ext4?] WARNING in ext4_journal_check_start (2)

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Subject: Re: [syzbot] [ext4?] WARNING in ext4_journal_check_start (2)
Author: richard120310@...il.com

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git c964ced77262

Signed-off-by: I Hsin Cheng <richard120310@...il.com>
---
 fs/ext4/inode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 54bdd4884fe6..d799f424f218 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2806,7 +2806,7 @@ static int ext4_writepages(struct address_space *mapping,
 	int ret;
 	int alloc_ctx;
 
-	if (unlikely(ext4_forced_shutdown(sb)))
+	if (unlikely(ext4_forced_shutdown(sb)) || mapping->host->i_sb->s_writers.frozen == SB_FREEZE_COMPLETE)
 		return -EIO;
 
 	alloc_ctx = ext4_writepages_down_read(sb);
-- 
2.43.0