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OpenCloudOS-Kernel
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OpenCloudOS-Kernel/drivers/net/can
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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
Kconfig can: kvaser_pciefd: Add driver for Kvaser PCIEcan devices 2019-07-24 10:31:53 +02:00
Makefile can: kvaser_pciefd: Add driver for Kvaser PCIEcan devices 2019-07-24 10:31:53 +02:00
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
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
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