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Commit d11e3f4f authored by Miklos Szeredi's avatar Miklos Szeredi Committed by Greg Kroah-Hartman
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fuse: limit nsec 



commit 47912eaa061a6a81e4aa790591a1874c650733c0 upstream.

Limit nanoseconds to 0..999999999.

Fixes: d8a5ba45 ("[PATCH] FUSE - core")
Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarMiklos Szeredi <mszeredi@redhat.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ed43fb20

fs/fuse/inode.c

+6 −0
Original line number Diff line number Diff line
@@ -162,6 +162,12 @@ void fuse_change_attributes_common(struct inode *inode, struct fuse_attr *attr, 
	inode->i_uid     = make_kuid(fc->user_ns, attr->uid);

	inode->i_gid     = make_kgid(fc->user_ns, attr->gid);

	inode->i_blocks  = attr->blocks;



	/* Sanitize nsecs */

	attr->atimensec = min_t(u32, attr->atimensec, NSEC_PER_SEC - 1);

	attr->mtimensec = min_t(u32, attr->mtimensec, NSEC_PER_SEC - 1);

	attr->ctimensec = min_t(u32, attr->ctimensec, NSEC_PER_SEC - 1);



	inode->i_atime.tv_sec   = attr->atime;

	inode->i_atime.tv_nsec  = attr->atimensec;

	/* mtime from server may be stale due to local buffered write */