Jouni Hogander ed50e1600b slcan: Fix memory leak in error path ...

This patch is fixing memory leak reported by Syzkaller:

BUG: memory leak unreferenced object 0xffff888067f65500 (size 4096):
  comm "syz-executor043", pid 454, jiffies 4294759719 (age 11.930s)
  hex dump (first 32 bytes):
    73 6c 63 61 6e 30 00 00 00 00 00 00 00 00 00 00 slcan0..........
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
  backtrace:
    [<00000000a06eec0d>] __kmalloc+0x18b/0x2c0
    [<0000000083306e66>] kvmalloc_node+0x3a/0xc0
    [<000000006ac27f87>] alloc_netdev_mqs+0x17a/0x1080
    [<0000000061a996c9>] slcan_open+0x3ae/0x9a0
    [<000000001226f0f9>] tty_ldisc_open.isra.1+0x76/0xc0
    [<0000000019289631>] tty_set_ldisc+0x28c/0x5f0
    [<000000004de5a617>] tty_ioctl+0x48d/0x1590
    [<00000000daef496f>] do_vfs_ioctl+0x1c7/0x1510
    [<0000000059068dbc>] ksys_ioctl+0x99/0xb0
    [<000000009a6eb334>] __x64_sys_ioctl+0x78/0xb0
    [<0000000053d0332e>] do_syscall_64+0x16f/0x580
    [<0000000021b83b99>] entry_SYSCALL_64_after_hwframe+0x44/0xa9
    [<000000008ea75434>] 0xffffffffffffffff

Cc: Wolfgang Grandegger <wg@grandegger.com>
Cc: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Jouni Hogander <jouni.hogander@unikie.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

2019-11-14 10:38:30 +01:00

..

c_can

can: c_can: C_CAN: add bus recovery events

2019-11-04 21:47:21 +01:00

cc770

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 495

2019-06-19 17:09:52 +02:00

ifi_canfd

treewide: Add SPDX license identifier - Makefile/Kconfig

2019-05-21 10:50:46 +02:00

m_can

can: tcan4x5x: Remove checking the wake pin

2019-09-03 10:23:57 +02:00

mscan

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 344

2019-06-05 17:37:07 +02:00

peak_canfd

can: mark expected switch fall-throughs

2019-07-25 20:09:42 -05:00

rcar

can: rcar_can: Remove unused platform data support

2019-08-20 13:41:25 +02:00

sja1000

can: peak_pci: Make structure peak_pciec_i2c_bit_ops constant

2019-08-20 13:41:25 +02:00

softing

net/can: using dev_get_drvdata directly

2019-07-05 15:24:41 -07:00

spi

can: mcp251x: mcp251x_restart_work_handler(): Fix potential force_quit race condition

2019-11-05 12:44:22 +01:00

usb

can: peak_usb: report bus recovery as well

2019-11-04 21:47:20 +01:00

at91_can.c

can: mark expected switch fall-throughs

2019-07-25 20:09:42 -05:00

dev.c

can: dev: add missing of_node_put() after calling of_get_child_by_name()

2019-11-04 21:47:20 +01:00

flexcan.c

can: flexcan: increase error counters if skb enqueueing via can_rx_offload_queue_sorted() fails

2019-11-04 21:47:22 +01:00

grcan.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152

2019-05-30 11:26:32 -07:00

janz-ican3.c

net: Remove dev_err() usage after platform_get_irq()

2019-07-30 14:37:35 -07:00

Kconfig

can: kvaser_pciefd: Add driver for Kvaser PCIEcan devices

2019-07-24 10:31:53 +02:00

kvaser_pciefd.c

can: kvaser_pciefd: the PWM generator is running at the bus frequency of the system.

2019-09-03 10:23:57 +02:00

led.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500

2019-06-19 17:09:55 +02:00

Makefile

can: kvaser_pciefd: Add driver for Kvaser PCIEcan devices

2019-07-24 10:31:53 +02:00

pch_can.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 340

2019-06-05 17:37:07 +02:00

rx-offload.c

can: rx-offload: can_rx_offload_irq_offload_fifo(): continue on error

2019-11-04 21:47:22 +01:00

slcan.c

slcan: Fix memory leak in error path

2019-11-14 10:38:30 +01:00

sun4i_can.c

net: Remove dev_err() usage after platform_get_irq()

2019-07-30 14:37:35 -07:00

ti_hecc.c

can: ti_hecc: add missing state changes

2019-11-04 21:47:23 +01:00

vcan.c

can: make use of preallocated can_ml_priv for per device struct can_dev_rcv_lists

2019-09-04 13:29:15 +02:00

vxcan.c

can: make use of preallocated can_ml_priv for per device struct can_dev_rcv_lists

2019-09-04 13:29:15 +02:00

xilinx_can.c

can: xilinx_can: Fix flags field initialization for axi can

2019-11-04 21:47:21 +01:00