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can: peak_usb: pcan_usb_fd: Fix info-leaks to USB devices
authorTomas Bortoli <tomasbortoli@gmail.com>
Wed, 31 Jul 2019 14:54:47 +0000 (10:54 -0400)
committerMarc Kleine-Budde <mkl@pengutronix.de>
Fri, 2 Aug 2019 11:57:48 +0000 (13:57 +0200)
commit30a8beeb3042f49d0537b7050fd21b490166a3d9
tree95d589f04a19646628d41b21a5bb3ef537ed82bbtree | snapshot
parente787f19373b8a5fa24087800ed78314fd17b984acommit | diff
can: peak_usb: pcan_usb_fd: Fix info-leaks to USB devices

Uninitialized Kernel memory can leak to USB devices.

Fix by using kzalloc() instead of kmalloc() on the affected buffers.

Signed-off-by: Tomas Bortoli <tomasbortoli@gmail.com>
Reported-by: syzbot+513e4d0985298538bf9b@syzkaller.appspotmail.com
Fixes: 0a25e1f4f185 ("can: peak_usb: add support for PEAK new CANFD USB adapters")
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
drivers/net/can/usb/peak_usb/pcan_usb_fd.c diff | blob | history
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