From: Charalampos Mitrodimas <charmitro@posteo.net>
To: syzbot <syzbot+eb83fe1cce5833cd66a0@syzkaller.appspotmail.com>
Cc: asmadeus@codewreck.org, ericvh@kernel.org,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
linux_oss@crudebyte.com, lucho@ionkov.net,
syzkaller-bugs@googlegroups.com, v9fs@lists.linux.dev
Subject: Re: [syzbot] [v9fs?] KMSAN: uninit-value in v9fs_evict_inode
Date: Mon, 18 Mar 2024 21:49:00 +0000 [thread overview]
Message-ID: <ec51cc1d-beaa-4aa1-a54d-e503223dd365@posteo.net> (raw)
In-Reply-To: <0000000000002750950613c53e72@google.com>
please test uv in v9fs_evict_inode
#syz test
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 360a5304ec03..5d046f63e5fa 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -353,7 +353,8 @@ void v9fs_evict_inode(struct inode *inode)
filemap_fdatawrite(&inode->i_data);
#ifdef CONFIG_9P_FSCACHE
- fscache_relinquish_cookie(v9fs_inode_cookie(v9inode), false);
+ if (v9fs_inode_cookie(v9inode))
+ fscache_relinquish_cookie(v9fs_inode_cookie(v9inode), false);
#endif
}
next prev parent reply other threads:[~2024-03-18 21:49 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-16 11:15 [syzbot] [v9fs?] KMSAN: uninit-value in v9fs_evict_inode syzbot
2024-03-18 15:48 ` Charalampos Mitrodimas
2024-03-18 21:38 ` syzbot
2024-03-18 21:49 ` Charalampos Mitrodimas [this message]
2024-03-19 6:26 ` syzbot
2024-03-19 10:18 ` Charalampos Mitrodimas
2024-03-19 10:40 ` syzbot
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