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No description
9174c3df1c
running the following TDC test cases:
7afc - Replace tunnel_key set action with all parameters
364d - Replace tunnel_key set action with all parameters and cookie
it's possible to trigger kmemleak warnings like:
unreferenced object 0xffff94797127ab40 (size 192):
comm "tc", pid 3248, jiffies 4300565293 (age 1006.862s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 c0 93 f9 8a ff ff ff ff ................
41 84 ee 89 ff ff ff ff 00 00 00 00 00 00 00 00 A...............
backtrace:
[<000000001e85b61c>] tunnel_key_init+0x31d/0x820 [act_tunnel_key]
[<000000007f3f6ee7>] tcf_action_init_1+0x384/0x4c0
[<00000000e89e3ded>] tcf_action_init+0x12b/0x1a0
[<00000000c1c8c0f8>] tcf_action_add+0x73/0x170
[<0000000095a9fc28>] tc_ctl_action+0x122/0x160
[<000000004bebeac5>] rtnetlink_rcv_msg+0x263/0x2d0
[<000000009fd862dd>] netlink_rcv_skb+0x4a/0x110
[<00000000b55199e7>] netlink_unicast+0x1a0/0x250
[<000000004996cd21>] netlink_sendmsg+0x2c1/0x3c0
[<000000004d6a94b4>] sock_sendmsg+0x36/0x40
[<000000005d9f0208>] ___sys_sendmsg+0x280/0x2f0
[<00000000dec19023>] __sys_sendmsg+0x5e/0xa0
[<000000004b82ac81>] do_syscall_64+0x5b/0x180
[<00000000a0f1209a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[<000000002926b2ab>] 0xffffffffffffffff
when the tunnel_key action is replaced, the kernel forgets to release the
dst metadata: ensure they are released by tunnel_key_init(), the same way
it's done in tunnel_key_release().
Fixes:
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|---|---|---|
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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.