This is a note to let you know that I've just added the patch titled xfs: Fix assert failure in xfs_setattr_size() to the 5.11-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: xfs-fix-assert-failure-in-xfs_setattr_size.patch and it can be found in the queue-5.11 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 88a9e03beef22cc5fabea344f54b9a0dfe63de08 Mon Sep 17 00:00:00 2001 From: Yumei Huang <yuhuang@xxxxxxxxxx> Date: Fri, 22 Jan 2021 16:48:19 -0800 Subject: xfs: Fix assert failure in xfs_setattr_size() From: Yumei Huang <yuhuang@xxxxxxxxxx> commit 88a9e03beef22cc5fabea344f54b9a0dfe63de08 upstream. An assert failure is triggered by syzkaller test due to ATTR_KILL_PRIV is not cleared before xfs_setattr_size. As ATTR_KILL_PRIV is not checked/used by xfs_setattr_size, just remove it from the assert. Signed-off-by: Yumei Huang <yuhuang@xxxxxxxxxx> Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx> Reviewed-by: Christoph Hellwig <hch@xxxxxx> Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx> Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/xfs/xfs_iops.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -846,7 +846,7 @@ xfs_setattr_size( ASSERT(xfs_isilocked(ip, XFS_MMAPLOCK_EXCL)); ASSERT(S_ISREG(inode->i_mode)); ASSERT((iattr->ia_valid & (ATTR_UID|ATTR_GID|ATTR_ATIME|ATTR_ATIME_SET| - ATTR_MTIME_SET|ATTR_KILL_PRIV|ATTR_TIMES_SET)) == 0); + ATTR_MTIME_SET|ATTR_TIMES_SET)) == 0); oldsize = inode->i_size; newsize = iattr->ia_size; Patches currently in stable-queue which might be from yuhuang@xxxxxxxxxx are queue-5.11/xfs-fix-assert-failure-in-xfs_setattr_size.patch