Unverified Commit d178944d authored by Konstantin Komarov's avatar Konstantin Komarov
Browse files

fs/ntfs3: Additional check in ni_clear() 



Checking of NTFS_FLAGS_LOG_REPLAYING added to prevent access to
uninitialized bitmap during replay process.

Reported-by: default avatar <syzbot+3bfd2cc059ab93efcdb4@syzkaller.appspotmail.com>
Signed-off-by: default avatarKonstantin Komarov <almaz.alexandrovich@paragon-software.com>
parent 03b09709

fs/ntfs3/frecord.c

+3 −1
Original line number Diff line number Diff line
@@ -102,7 +102,9 @@ void ni_clear(struct ntfs_inode *ni) 
{

	struct rb_node *node;



	if (!ni->vfs_inode.i_nlink && ni->mi.mrec && is_rec_inuse(ni->mi.mrec))

	if (!ni->vfs_inode.i_nlink && ni->mi.mrec &&

	    is_rec_inuse(ni->mi.mrec) &&

	    !(ni->mi.sbi->flags & NTFS_FLAGS_LOG_REPLAYING))

		ni_delete_all(ni);



	al_destroy(ni);