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Commit 48e11484 authored by Richard Weinberger's avatar Richard Weinberger Committed by Greg Kroah-Hartman
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Revert "UBIFS: Fix potential integer overflow in allocation" 



commit 08acbdd6fd736b90f8d725da5a0de4de2dd6de62 upstream.

This reverts commit 353748a359f1821ee934afc579cf04572406b420.
It bypassed the linux-mtd review process and fixes the issue not as it
should.

Cc: Kees Cook <keescook@chromium.org>
Cc: Silvio Cesare <silvio.cesare@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 0d1694b1

fs/ubifs/journal.c

+1 −1
Original line number Diff line number Diff line
@@ -1265,7 +1265,7 @@ static int recomp_data_node(const struct ubifs_info *c, 
	int err, len, compr_type, out_len;



	out_len = le32_to_cpu(dn->size);

	buf = kmalloc_array(out_len, WORST_COMPR_FACTOR, GFP_NOFS);

	buf = kmalloc(out_len * WORST_COMPR_FACTOR, GFP_NOFS);

	if (!buf)

		return -ENOMEM;