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Revert "UBIFS: Fix potential integer overflow in allocation"

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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: Richard Weinberger <richard@nod.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Richard Weinberger 2018-07-01 23:20:50 +02:00 committed by Greg Kroah-Hartman
parent 0d1694b185
commit 48e1148488
1 changed files with 1 additions and 1 deletions
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2
fs/ubifs/journal.c
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@ -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;