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(parent: 5a57c05) | patch
xfs: clear kernel only flags in XFS_IOC_ATTRMULTI_BY_HANDLE
authorChristoph Hellwig <hch@lst.de>
Tue, 7 Jan 2020 23:25:37 +0000 (15:25 -0800)
committerDarrick J. Wong <darrick.wong@oracle.com>
Thu, 9 Jan 2020 18:55:18 +0000 (10:55 -0800)
commit953aa9d136f53e226448dbd801a905c28f8071bf
tree1a5df80de0c912b38da8efc3ddd600e02cf31563tree | snapshot
parent5a57c05b56b6eb2b4e3eb2a9f205e39e849325a1commit | diff
xfs: clear kernel only flags in XFS_IOC_ATTRMULTI_BY_HANDLE

Don't allow passing arbitrary flags as they change behavior including
memory allocation that the call stack is not prepared for.

Fixes: ddbca70cc45c ("xfs: allocate xattr buffer on demand")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
fs/xfs/libxfs/xfs_attr.h diff | blob | history
fs/xfs/xfs_ioctl.c diff | blob | history
fs/xfs/xfs_ioctl32.c diff | blob | history