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linux-can-fixes-for-6.16-20250529

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Merge tag 'linux-can-fixes-for-6.16-20250529' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can

Marc Kleine-Budde says:

====================
pull-request: can 2025-05-29

this is a pull request of 1 patch for net/main.

The patch is by Fedor Pchelkin and fixes a slab-out-of-bounds access
in the kvaser_pciefd driver.

linux-can-fixes-for-6.16-20250529

* tag 'linux-can-fixes-for-6.16-20250529' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
  can: kvaser_pciefd: refine error prone echo_skb_max handling logic
====================

Link: https://patch.msgid.link/20250529075313.1101820-1-mkl@pengutronix.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Paolo Abeni 2025-05-29 12:55:33 +02:00
commit f65dca1752
1 changed files with 1 additions and 2 deletions
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3
drivers/net/can/kvaser_pciefd.c
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@ -966,7 +966,7 @@ static int kvaser_pciefd_setup_can_ctrls(struct kvaser_pciefd *pcie)
u32 status, tx_nr_packets_max;
netdev = alloc_candev(sizeof(struct kvaser_pciefd_can),
KVASER_PCIEFD_CAN_TX_MAX_COUNT);
roundup_pow_of_two(KVASER_PCIEFD_CAN_TX_MAX_COUNT));
if (!netdev)
return -ENOMEM;
@ -995,7 +995,6 @@ static int kvaser_pciefd_setup_can_ctrls(struct kvaser_pciefd *pcie)
can->tx_max_count = min(KVASER_PCIEFD_CAN_TX_MAX_COUNT, tx_nr_packets_max - 1);
can->can.clock.freq = pcie->freq;
can->can.echo_skb_max = roundup_pow_of_two(can->tx_max_count);
spin_lock_init(&can->lock);
can->can.bittiming_const = &kvaser_pciefd_bittiming_const;