xfs: fix memcpy fortify errors in RUI log format copying

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Starting in 6.1, CONFIG_FORTIFY_SOURCE checks the length parameter of
memcpy.  Since we're already fixing problems with BUI item copying, we
should fix it everything else.

Refactor the xfs_rui_copy_format function to handle the copying of the
head and the flex array members separately.  While we're at it, fix a
minor validation deficiency in the recovery function.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>

...

This commit is contained in:

Darrick J. Wong 2022-10-20 16:26:36 -07:00

parent a38935c03c

commit b45ca961e9

2 changed files with 30 additions and 31 deletions

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3

fs/xfs/xfs_ondisk.h

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58

fs/xfs/xfs_rmap_item.c

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