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Filename Latest commit message Latest commit date
William Dauchy 4b823bf7c2 net, ip_tunnel: fix interface lookup with no key
commit 25629fdaff2ff509dd0b3f5ff93d70a75e79e0a1 upstream.

when creating a new ipip interface with no local/remote configuration,
the lookup is done with TUNNEL_NO_KEY flag, making it impossible to
match the new interface (only possible match being fallback or metada
case interface); e.g: `ip link add tunl1 type ipip dev eth0`

To fix this case, adding a flag check before the key comparison so we
permit to match an interface with no local/remote config; it also avoids
breaking possible userland tools relying on TUNNEL_NO_KEY flag and
uninitialised key.

context being on my side, I'm creating an extra ipip interface attached
to the physical one, and moving it to a dedicated namespace.

Fixes: c544193214 ("GRE: Refactor GRE tunneling code.")
Signed-off-by: William Dauchy <w.dauchy@criteo.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-29 16:32:55 +02:00
arch ARM: dts: sunxi: Fix DE2 clocks register range 2020-04-23 10:36:43 +02:00
block block, bfq: invoke flush_idle_tree after reparent_active_queues in pd_offline 2020-04-23 10:36:26 +02:00
certs
crypto crypto: rng - Fix a refcounting bug in crypto_rng_reset() 2020-04-17 10:50:16 +02:00
Documentation docs: Fix path to MTD command line partition parser 2020-04-23 10:36:45 +02:00
drivers mtd: phram: fix a double free issue in error path 2020-04-23 10:36:45 +02:00
fs f2fs: fix to avoid memory leakage in f2fs_listxattr 2020-04-29 16:32:55 +02:00
include KEYS: Don't write out to userspace while holding key semaphore 2020-04-23 10:36:45 +02:00
init
ipc
kernel bpf: fix buggy r0 retval refinement for tracing helpers 2020-04-23 10:36:45 +02:00
lib kbuild, btf: Fix dependencies for DEBUG_INFO_BTF 2020-04-23 10:36:18 +02:00
LICENSES
mm mm, memcg: do not high throttle allocators based on wraparound 2020-04-17 10:50:17 +02:00
net net, ip_tunnel: fix interface lookup with no key 2020-04-29 16:32:55 +02:00
samples
scripts
security KEYS: Don't write out to userspace while holding key semaphore 2020-04-23 10:36:45 +02:00
sound ALSA: hda: Don't release card at firmware loading error 2020-04-23 10:36:21 +02:00
tools bpf, test_verifier: switch bpf_get_stack's 0 s> r8 test 2020-04-23 10:36:46 +02:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.35 2020-04-23 10:36:46 +02:00
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.