diff options
| author | Richard Weinberger <richard@nod.at> | 2018-07-01 23:20:50 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-09 19:56:00 +0200 |
| commit | 3259dd7176e4d98248f2dcc94f540dbca051ff42 (patch) | |
| tree | 166d3657f754877f794dd5ad1720fd8beef401dd /fs | |
| parent | a230db38a9fd9b422bb7f114da9bb7141c87fded (diff) | |
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: Richard Weinberger <richard@nod.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ubifs/journal.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c index 8ae1cd8611cc..04c4ec6483e5 100644 --- a/fs/ubifs/journal.c +++ b/fs/ubifs/journal.c @@ -1283,11 +1283,10 @@ static int truncate_data_node(const struct ubifs_info *c, const struct inode *in int *new_len) { void *buf; - int err, compr_type; - u32 dlen, out_len, old_dlen; + int err, dlen, compr_type, out_len, old_dlen; 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; |