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(parent: d24b6c6) | patch
NFC: fix attrs checks in netlink interface
authorAndrey Konovalov <andreyknvl@google.com>
Mon, 29 Jul 2019 13:35:01 +0000 (16:35 +0300)
committerDavid S. Miller <davem@davemloft.net>
Mon, 29 Jul 2019 15:56:26 +0000 (08:56 -0700)
commit18917d51472fe3b126a3a8f756c6b18085eb8130
tree52853491eb793cde61446a97c50f36bc9a6c939btree
parentd24b6c624b3b5735ab25e7d6b55ee83da1d9a496commit | diff
NFC: fix attrs checks in netlink interface

nfc_genl_deactivate_target() relies on the NFC_ATTR_TARGET_INDEX
attribute being present, but doesn't check whether it is actually
provided by the user. Same goes for nfc_genl_fw_download() and
NFC_ATTR_FIRMWARE_NAME.

This patch adds appropriate checks.

Found with syzkaller.

Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/nfc/netlink.c diff | blob | history
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