linux-kernel - [PATCH] bcachefs: Initialize from_inode members for bhc_io

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Message-ID: <20250311150606.127577-1-nicolescu.roxana@protonmail.com>
Date: Tue, 11 Mar 2025 15:06:10 +0000
From: Roxana Nicolescu <nicolescu.roxana@...tonmail.com>
To: syzbot+c17ad4b4367b72a853cb@...kaller.appspotmail.com
Cc: kent.overstreet@...ux.dev, linux-bcachefs@...r.kernel.org, linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com, skhan@...uxfoundation.org, linux-kernel-mentees@...ts.linux.dev
Subject: [PATCH] bcachefs: Initialize from_inode members for bhc_io_opts

When there is no inode source, all "from_inode" members in the structure
bhc_io_opts should be set false.

Fixes: 7a7c43a0c1ecf ("bcachefs: Add bch_io_opts fields for indicating whether the opts came from the inode")
Reported-by: syzbot+c17ad4b4367b72a853cb@...kaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=c17ad4b4367b72a853cb
Signed-off-by: Roxana Nicolescu <nicolescu.roxana@...tonmail.com>
---
 fs/bcachefs/inode.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/bcachefs/inode.c b/fs/bcachefs/inode.c
index 04ec05206f8c..339b80770f1d 100644
--- a/fs/bcachefs/inode.c
+++ b/fs/bcachefs/inode.c
@@ -1198,6 +1198,7 @@ void bch2_inode_opts_get(struct bch_io_opts *opts, struct bch_fs *c,
 		opts->_name##_from_inode = true;			\
 	} else {							\
 		opts->_name = c->opts._name;				\
+		opts->_name##_from_inode = false;			\
 	}
 	BCH_INODE_OPTS()
 #undef x
-- 
2.34.1