linux-kernel - Re: [syzbot] [hfs?] KMSAN: uninit-value in hfsplus

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Date: Wed, 10 Jan 2024 09:48:08 +0800
From: Edward Adam Davis <eadavis@...com>
To: syzbot+91db973302e7b18c7653@...kaller.appspotmail.com
Cc: linux-kernel@...r.kernel.org,
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [hfs?] KMSAN: uninit-value in hfsplus_lookup

please test uninit-value in hfsplus_lookup

#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 861deac3b092

diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c
index 1986b4f18a90..a95a6a2246a3 100644
--- a/fs/hfsplus/super.c
+++ b/fs/hfsplus/super.c
@@ -73,6 +73,7 @@ struct inode *hfsplus_iget(struct super_block *sb, unsigned long ino)
 	HFSPLUS_I(inode)->flags = 0;
 	HFSPLUS_I(inode)->extent_state = 0;
 	HFSPLUS_I(inode)->rsrc_inode = NULL;
+	HFSPLUS_I(inode)->create_date = 0;
 	atomic_set(&HFSPLUS_I(inode)->opencnt, 0);
 
 	if (inode->i_ino >= HFSPLUS_FIRSTUSER_CNID ||