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(parent: 994a347) | patch
can: dev: prevent potential information leak in can_fill_info()
authorDan Carpenter <dan.carpenter@oracle.com>
Thu, 21 Jan 2021 06:08:05 +0000 (09:08 +0300)
committerMarc Kleine-Budde <mkl@pengutronix.de>
Wed, 27 Jan 2021 09:25:01 +0000 (10:25 +0100)
commit8f106aa31e64593df80f736cbb5c03a18ebd20c9
tree087990941a662a2067455d1dd259d0ed5e6e20a2tree | snapshot
parent994a3475cf23ac1d06cfda82447f23e8aa599ce1commit | diff
can: dev: prevent potential information leak in can_fill_info()

The "bec" struct isn't necessarily always initialized. For example, the
mcp251xfd_get_berr_counter() function doesn't initialize anything if the
interface is down.

Fixes: a5172947d1dc ("can: netlink support for bus-error reporting and counters")
Link: https://lore.kernel.org/r/YAkaRdRJncsJO8Ve@mwanda
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
drivers/net/can/dev.c diff | blob | history
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