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a0b96b4a62
linux/drivers/net/can
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Pavel Skripkin a0b96b4a62 drivers: net: fix memory leak in peak_usb_create_dev 
syzbot reported memory leak in peak_usb.
The problem was in case of failure after calling
->dev_init()[2] in peak_usb_create_dev()[1]. The data
allocated int dev_init() wasn't freed, so simple
->dev_free() call fix this problem.

backtrace:
    [<0000000079d6542a>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000079d6542a>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000079d6542a>] pcan_usb_fd_init+0x156/0x210 drivers/net/can/usb/peak_usb/pcan_usb_fd.c:868   [2]
    [<00000000c09f9057>] peak_usb_create_dev drivers/net/can/usb/peak_usb/pcan_usb_core.c:851 [inline] [1]
    [<00000000c09f9057>] peak_usb_probe+0x389/0x490 drivers/net/can/usb/peak_usb/pcan_usb_core.c:949

Reported-by: syzbot+91adee8d9ebb9193d22d@syzkaller.appspotmail.com
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-01 15:55:15 -07:00
..
c_can can: c_can: move runtime PM enable/disable to c_can_platform 2021-03-16 08:41:27 +01:00
cc770 can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
dev can: dev: Move device back to init netns on owning netns delete 2021-03-16 08:40:04 +01:00
ifi_canfd can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
m_can can: m_can: m_can_rx_peripheral(): fix RX being blocked by errors 2021-03-16 08:41:27 +01:00
mscan can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
peak_canfd module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
rcar can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
sja1000 module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
softing can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
spi can: mcp251xfd: revert "can: mcp251xfd: add BQL support" 2021-03-01 11:44:45 +01:00
usb drivers: net: fix memory leak in peak_usb_create_dev 2021-04-01 15:55:15 -07:00
at91_can.c can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
flexcan.c can: flexcan: flexcan_chip_freeze(): fix chip freeze for missing bitrate 2021-03-16 08:41:26 +01:00
grcan.c can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
janz-ican3.c can: replace can_dlc as variable/element for payload length 2020-11-20 12:04:12 +01:00
Kconfig can: kvaser_pciefd: select CONFIG_CRC32 2021-01-05 15:50:36 -08:00
kvaser_pciefd.c can: kvaser_pciefd: Always disable bus load reporting 2021-03-16 08:41:26 +01:00
led.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
Makefile can: dev: move driver related infrastructure into separate subdir 2021-01-13 09:42:58 +01:00
pch_can.c can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
slcan.c net: introduce CAN specific pointer in the struct net_device 2021-02-24 14:32:15 -08:00
sun4i_can.c can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
ti_hecc.c can: dev: can_rx_offload_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
vcan.c net: introduce CAN specific pointer in the struct net_device 2021-02-24 14:32:15 -08:00
vxcan.c net: introduce CAN specific pointer in the struct net_device 2021-02-24 14:32:15 -08:00
xilinx_can.c can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00