Greg Kroah-Hartman 1e446fd058 can: ucan: Fix infinite loop from zero-length messages ... If a broken ucan device gets a message with the message length field set to 0, then the driver will loop for forever in ucan_read_bulk_callback(), hanging the system. If the length is 0, just skip the message and go on to the next one. This has been fixed in the kvaser_usb driver in the past in commit 0c73772cd2 ("can: kvaser_usb: leaf: Fix potential infinite loop in command parsers"), so there must be some broken devices out there like this somewhere. Cc: Marc Kleine-Budde <mkl@pengutronix.de> Cc: Vincent Mailhol <mailhol@kernel.org> Cc: stable@kernel.org Assisted-by: gkh_clanker_2000 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://patch.msgid.link/2026022319-huff-absurd-6a18@gregkh Fixes: 9f2d3eae88 ("can: ucan: add driver for Theobroma Systems UCAN devices") Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>		2026-03-02 11:03:42 +01:00
..
arcnet	Convert 'alloc_obj' family to use the new default GFP_KERNEL argument	2026-02-21 17:09:51 -08:00
bonding	Convert more 'alloc_obj' cases to default GFP_KERNEL arguments	2026-02-21 20:03:00 -08:00
caif	treewide: Replace kmalloc with kmalloc_obj for non-scalar types	2026-02-21 01:02:28 -08:00
can	can: ucan: Fix infinite loop from zero-length messages	2026-03-02 11:03:42 +01:00
dsa	Including fixes from IPsec, Bluetooth and netfilter	2026-02-26 08:00:13 -08:00
ethernet	amd-xgbe: fix MAC_TCR_SS register width for 2.5G and 10M speeds	2026-02-28 14:22:34 -08:00
fddi
fjes	Convert 'alloc_obj' family to use the new default GFP_KERNEL argument	2026-02-21 17:09:51 -08:00
hamradio	Convert 'alloc_obj' family to use the new default GFP_KERNEL argument	2026-02-21 17:09:51 -08:00
hyperv	Convert more 'alloc_obj' cases to default GFP_KERNEL arguments	2026-02-21 20:03:00 -08:00
ieee802154	Convert more 'alloc_obj' cases to default GFP_KERNEL arguments	2026-02-21 20:03:00 -08:00
ipa	Convert more 'alloc_obj' cases to default GFP_KERNEL arguments	2026-02-21 20:03:00 -08:00
ipvlan	Convert 'alloc_obj' family to use the new default GFP_KERNEL argument	2026-02-21 17:09:51 -08:00
mctp	Convert 'alloc_obj' family to use the new default GFP_KERNEL argument	2026-02-21 17:09:51 -08:00
mdio	net: mdio: rtl9300: use scoped for loops	2025-12-28 08:55:48 +01:00
netdevsim	Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses	2026-02-22 08:26:33 -08:00
ovpn	Including fixes from IPsec, Bluetooth and netfilter	2026-02-26 08:00:13 -08:00
pcs	Convert more 'alloc_obj' cases to default GFP_KERNEL arguments	2026-02-21 20:03:00 -08:00
phy	Including fixes from IPsec, Bluetooth and netfilter	2026-02-26 08:00:13 -08:00
plip
ppp	Convert 'alloc_obj' family to use the new default GFP_KERNEL argument	2026-02-21 17:09:51 -08:00
pse-pd	Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses	2026-02-22 08:26:33 -08:00
slip	Convert 'alloc_obj' family to use the new default GFP_KERNEL argument	2026-02-21 17:09:51 -08:00
team	Including fixes from IPsec, Bluetooth and netfilter	2026-02-26 08:00:13 -08:00
thunderbolt	net: thunderbolt: Allow reading link settings	2026-01-19 12:09:58 -08:00
usb	net: usb: r8152: add TRENDnet TUC-ET2G	2026-02-27 19:27:31 -08:00
vmxnet3	net: vmxnet3: convert to use .get_rx_ring_count	2025-11-19 20:14:21 -08:00
vxlan	Convert 'alloc_obj' family to use the new default GFP_KERNEL argument	2026-02-21 17:09:51 -08:00
wan	Including fixes from IPsec, Bluetooth and netfilter	2026-02-26 08:00:13 -08:00
wireguard	Convert 'alloc_obj' family to use the new default GFP_KERNEL argument	2026-02-21 17:09:51 -08:00
wireless	Including fixes from IPsec, Bluetooth and netfilter	2026-02-26 08:00:13 -08:00
wwan	Convert more 'alloc_obj' cases to default GFP_KERNEL arguments	2026-02-21 20:03:00 -08:00
xen-netback	Convert 'alloc_obj' family to use the new default GFP_KERNEL argument	2026-02-21 17:09:51 -08:00
amt.c	treewide: Replace kmalloc with kmalloc_obj for non-scalar types	2026-02-21 01:02:28 -08:00
bareudp.c
dummy.c
eql.c	Convert 'alloc_obj' family to use the new default GFP_KERNEL argument	2026-02-21 17:09:51 -08:00
geneve.c	Convert 'alloc_obj' family to use the new default GFP_KERNEL argument	2026-02-21 17:09:51 -08:00
gtp.c	treewide: Replace kmalloc with kmalloc_obj for non-scalar types	2026-02-21 01:02:28 -08:00
ifb.c	Convert 'alloc_obj' family to use the new default GFP_KERNEL argument	2026-02-21 17:09:51 -08:00
Kconfig	printk: add CONFIG_PRINTK dependency for netconsole	2026-02-17 13:04:20 +01:00
LICENSE.SRC
loopback.c
macsec.c	Convert 'alloc_obj' family to use the new default GFP_KERNEL argument	2026-02-21 17:09:51 -08:00
macvlan.c	Convert 'alloc_obj' family to use the new default GFP_KERNEL argument	2026-02-21 17:09:51 -08:00
macvtap.c
Makefile	net: remove HIPPI support and RoadRunner HIPPI driver	2026-01-20 19:12:06 -08:00
mdio.c
mhi_net.c
mii.c
net_failover.c	net: remove unnecessary module_init/exit functions	2026-02-02 17:25:23 -08:00
netconsole.c	Including fixes from IPsec, Bluetooth and netfilter	2026-02-26 08:00:13 -08:00
netkit.c	treewide: Replace kmalloc with kmalloc_obj for non-scalar types	2026-02-21 01:02:28 -08:00
nlmon.c
ntb_netdev.c
pfcp.c
rionet.c	Convert 'alloc_obj' family to use the new default GFP_KERNEL argument	2026-02-21 17:09:51 -08:00
Space.c
sungem_phy.c	net: sungem_phy: Fix a typo error in sungem_phy	2025-11-04 17:00:55 -08:00
tap.c	Convert 'alloc_obj' family to use the new default GFP_KERNEL argument	2026-02-21 17:09:51 -08:00
tun.c	Convert 'alloc_obj' family to use the new default GFP_KERNEL argument	2026-02-21 17:09:51 -08:00
tun_vnet.h	virtio-net: avoid unnecessary checksum calculation on guest RX	2025-11-26 19:45:54 -08:00
veth.c	treewide: Replace kmalloc with kmalloc_obj for non-scalar types	2026-02-21 01:02:28 -08:00
virtio_net.c	Convert 'alloc_obj' family to use the new default GFP_KERNEL argument	2026-02-21 17:09:51 -08:00
vrf.c	treewide: Replace kmalloc with kmalloc_obj for non-scalar types	2026-02-21 01:02:28 -08:00
vsockmon.c
xen-netfront.c	Convert more 'alloc_obj' cases to default GFP_KERNEL arguments	2026-02-21 20:03:00 -08:00