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42ca63f980
I got kmemleak report when doing fuzz test:
BUG: memory leak
unreferenced object 0xffff88810c909b80 (size 64):
comm "syz", pid 957, jiffies 4295220394 (age 399.090s)
hex dump (first 32 bytes):
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 08 00 00 00 01 02 00 04 ................
backtrace:
[<00000000ca1f2e2e>] garp_request_join+0x285/0x3d0
[<00000000bf153351>] vlan_gvrp_request_join+0x15b/0x190
[<0000000024005e72>] vlan_dev_open+0x706/0x980
[<00000000dc20c4d4>] __dev_open+0x2bb/0x460
[<0000000066573004>] __dev_change_flags+0x501/0x650
[<0000000035b42f83>] rtnl_configure_link+0xee/0x280
[<00000000a5e69de0>] __rtnl_newlink+0xed5/0x1550
[<00000000a5258f4a>] rtnl_newlink+0x66/0x90
[<00000000506568ee>] rtnetlink_rcv_msg+0x439/0xbd0
[<00000000b7eaeae1>] netlink_rcv_skb+0x14d/0x420
[<00000000c373ce66>] netlink_unicast+0x550/0x750
[<00000000ec74ce74>] netlink_sendmsg+0x88b/0xda0
[<00000000381ff246>] sock_sendmsg+0xc9/0x120
[<000000008f6a2db3>] ____sys_sendmsg+0x6e8/0x820
[<000000008d9c1735>] ___sys_sendmsg+0x145/0x1c0
[<00000000aa39dd8b>] __sys_sendmsg+0xfe/0x1d0
Calling garp_request_leave() after garp_request_join(), the attr->state
is set to GARP_APPLICANT_VO, garp_attr_destroy() won't be called in last
transmit event in garp_uninit_applicant(), the attr of applicant will be
leaked. To fix this leak, iterate and free each attr of applicant before
rerturning from garp_uninit_applicant().
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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| arch | ||
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| certs | ||
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| Documentation | ||
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| init | ||
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.