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| Filename | Latest commit message | Latest commit date |
|---|---|---|
fc4aa1ca16
When an rdst is rejected by a driver, the current code removes it from
the remote list, but neglects to free it. This is triggered by
tools/testing/selftests/drivers/net/mlxsw/vxlan_fdb_veto.sh and shows as
the following kmemleak trace:
unreferenced object 0xffff88817fa3d888 (size 96):
comm "softirq", pid 0, jiffies 4372702718 (age 165.252s)
hex dump (first 32 bytes):
02 00 00 00 c6 33 64 03 80 f5 a2 61 81 88 ff ff .....3d....a....
06 df 71 ae ff ff ff ff 0c 00 00 00 04 d2 6a 6b ..q...........jk
backtrace:
[<00000000296b27ac>] kmem_cache_alloc_trace+0x1ae/0x370
[<0000000075c86dc6>] vxlan_fdb_append.part.12+0x62/0x3b0 [vxlan]
[<00000000e0414b63>] vxlan_fdb_update+0xc61/0x1020 [vxlan]
[<00000000f330c4bd>] vxlan_fdb_add+0x2e8/0x3d0 [vxlan]
[<0000000008f81c2c>] rtnl_fdb_add+0x4c2/0xa10
[<00000000bdc4b270>] rtnetlink_rcv_msg+0x6dd/0x970
[<000000006701f2ce>] netlink_rcv_skb+0x290/0x410
[<00000000c08a5487>] rtnetlink_rcv+0x15/0x20
[<00000000d5f54b1e>] netlink_unicast+0x43f/0x5e0
[<00000000db4336bb>] netlink_sendmsg+0x789/0xcd0
[<00000000e1ee26b6>] sock_sendmsg+0xba/0x100
[<00000000ba409802>] ___sys_sendmsg+0x631/0x960
[<000000003c332113>] __sys_sendmsg+0xea/0x180
[<00000000f4139144>] __x64_sys_sendmsg+0x78/0xb0
[<000000006d1ddc59>] do_syscall_64+0x94/0x410
[<00000000c8defa9a>] entry_SYSCALL_64_after_hwframe+0x49/0xbe
Move vxlan_dst_free() up and schedule a call thereof to plug this leak.
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.