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| author |   Pavel Skripkin <paskripkin@gmail.com> | 2021-04-01 16:27:52 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-04-01 15:55:15 -0700 |
| commit | a0b96b4a62745397aee662670cfc2157bac03f55 (patch) | |
| tree | a4de8dcfa238716b99259f25706b7e3a5cf74ba1 /net/mptcp | |
| parent | net: udp: Add support for getsockopt(..., ..., UDP_GRO, ..., ...); (diff) | |
| download | linux-dev-a0b96b4a62745397aee662670cfc2157bac03f55.tar.xz linux-dev-a0b96b4a62745397aee662670cfc2157bac03f55.zip | |
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>
Diffstat (limited to 'net/mptcp')
0 files changed, 0 insertions, 0 deletions