Your message dated Thu, 06 Aug 2026 12:33:53 +0000
with message-id <[email protected]>
and subject line Bug#1142917: fixed in openvpn-dco-dkms 0.0+git20260804-1
has caused the Debian Bug report #1142917,
regarding openvpn-dco-dkms: Pointer type mismatch compiling for kernel
7.1.5+deb14-amd64
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact [email protected]
immediately.)
--
1142917: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1142917
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: openvpn-dco-dkms
Version: 0.0+git20260519-1
Severity: important
Tags: ftbfs patch
Dear Maintainer,
After a system upgrade today, openvpn-dco-dkms failed to build against
the newly installed kernel with headers from the
linux-headers-7.1.5+deb14-amd64 package. It looks like the interface to
setup_udp_tunnel_sock has changed, with the second argument now being a
"struct sock *" instead of a "struct socket *", as per
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/diff/include/net/udp_tunnel.h?id=v7.1.5&id2=v7.1.4
Here's the build log that backs that up:
--- Build log start ---
DKMS (dkms-3.2.2) make.log for ovpn-dco/0.0+git20260519 for kernel
7.1.5+deb14-amd64 (x86_64)
Tue 28 Jul 07:17:39 BST 2026
Building module(s)
# command: make -j4 KERNELRELEASE=7.1.5+deb14-amd64 VER=7.1.5+deb14-amd64
KERNEL_SRC=/lib/modules/7.1.5+deb14-amd64/build REVISION=0.0+git20260519
/var/lib/dkms/ovpn-dco/0.0+git20260519/build/gen-compat-autoconf.sh
/var/lib/dkms/ovpn-dco/0.0+git20260519/build/compat-autoconf.h
make -C /lib/modules/7.1.5+deb14-amd64/build
M=/var/lib/dkms/ovpn-dco/0.0+git20260519/build
PWD=/var/lib/dkms/ovpn-dco/0.0+git20260519/build REVISION=0.0+git20260519
CONFIG_OVPN_DCO_V2=m INSTALL_MOD_DIR=updates/ modules
make[1]: Entering directory '/usr/src/linux-headers-7.1.5+deb14-amd64'
make[2]: Entering directory '/var/lib/dkms/ovpn-dco/0.0+git20260519/build'
CC [M] drivers/net/ovpn-dco/main.o
CC [M] drivers/net/ovpn-dco/bind.o
CC [M] drivers/net/ovpn-dco/crypto.o
CC [M] drivers/net/ovpn-dco/ovpn.o
CC [M] drivers/net/ovpn-dco/peer.o
CC [M] drivers/net/ovpn-dco/sock.o
CC [M] drivers/net/ovpn-dco/stats.o
CC [M] drivers/net/ovpn-dco/netlink.o
CC [M] drivers/net/ovpn-dco/crypto_aead.o
CC [M] drivers/net/ovpn-dco/pktid.o
CC [M] drivers/net/ovpn-dco/tcp.o
CC [M] drivers/net/ovpn-dco/udp.o
drivers/net/ovpn-dco/udp.c: In function ‘ovpn_udp_socket_attach’:
drivers/net/ovpn-dco/udp.c:346:51: error: passing argument 2 of
‘setup_udp_tunnel_sock’ from incompatible pointer type
[-Wincompatible-pointer-types]
346 | setup_udp_tunnel_sock(sock_net(sock->sk), sock, &cfg);
| ^~~~
| |
| struct socket *
In file included from drivers/net/ovpn-dco/udp.c:25:
/usr/src/linux-headers-7.1.5+deb14-common/include/net/udp_tunnel.h:97:58: note:
expected ‘struct sock *’ but argument is of type ‘struct socket *’
97 | void setup_udp_tunnel_sock(struct net *net, struct sock *sk,
| ~~~~~~~~~~~~~^~
drivers/net/ovpn-dco/udp.c: In function ‘ovpn_udp_socket_detach’:
drivers/net/ovpn-dco/udp.c:356:51: error: passing argument 2 of
‘setup_udp_tunnel_sock’ from incompatible pointer type
[-Wincompatible-pointer-types]
356 | setup_udp_tunnel_sock(sock_net(sock->sk), sock, &cfg);
| ^~~~
| |
| struct socket *
/usr/src/linux-headers-7.1.5+deb14-common/include/net/udp_tunnel.h:97:58: note:
expected ‘struct sock *’ but argument is of type ‘struct socket *’
97 | void setup_udp_tunnel_sock(struct net *net, struct sock *sk,
| ~~~~~~~~~~~~~^~
make[5]: ***
[/usr/src/linux-headers-7.1.5+deb14-common/scripts/Makefile.build:294:
drivers/net/ovpn-dco/udp.o] Error 1
make[4]: ***
[/usr/src/linux-headers-7.1.5+deb14-common/scripts/Makefile.build:553:
drivers/net/ovpn-dco] Error 2
make[3]: *** [/usr/src/linux-headers-7.1.5+deb14-common/Makefile:2186: .] Error
2
make[2]: *** [/usr/src/linux-headers-7.1.5+deb14-common/Makefile:260:
__sub-make] Error 2
make[2]: Leaving directory '/var/lib/dkms/ovpn-dco/0.0+git20260519/build'
make[1]: *** [/usr/src/linux-headers-7.1.5+deb14-common/Makefile:260:
__sub-make] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-7.1.5+deb14-amd64'
make: *** [Makefile:51: all] Error 2
# exit code: 2
# elapsed time: 00:00:04
--- Build log end ---
The solution feels like passing in sock->sk would do the trick if
compiling for >=7.1.5. I've tried this locally, and it seems to work.
I've attached the patch, but as I'm not a seasoned kernel developer it
might need a bit of cleaning or, or there could be better ways to do it,
but at least it unambiguously shows the path to the fix.
If I can be of any further assistance, just let me know.
-DH.
-- System Information:
Debian Release: forky/sid
APT prefers unstable
APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1,
'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 7.1.4+deb14-amd64 (SMP w/4 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE,
TAINT_UNSIGNED_MODULE
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages openvpn-dco-dkms depends on:
ii dkms 3.2.2-1
openvpn-dco-dkms recommends no packages.
openvpn-dco-dkms suggests no packages.
-- no debconf information
Example to work with interface changes in 7.1.5
--- a/drivers/net/ovpn-dco/udp.c
+++ b/drivers/net/ovpn-dco/udp.c
@@ -18,12 +18,19 @@
#include <linux/inetdevice.h>
#include <linux/skbuff.h>
#include <linux/socket.h>
+#include <linux/version.h>
#include <net/addrconf.h>
#include <net/dst_cache.h>
#include <net/route.h>
#include <net/ipv6.h>
#include <net/udp_tunnel.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(7,1,5)
+#define setup_socket sock
+#else
+#define setup_socket sock->sk
+#endif
+
/**
* ovpn_udp_encap_recv() - Start processing a received UDP packet.
* If the first byte of the payload is DATA_V2, the packet is further
processed,
@@ -343,7 +350,7 @@
return -EBUSY;
}
- setup_udp_tunnel_sock(sock_net(sock->sk), sock, &cfg);
+ setup_udp_tunnel_sock(sock_net(sock->sk), setup_socket, &cfg);
return 0;
}
@@ -353,5 +360,5 @@
{
struct udp_tunnel_sock_cfg cfg = { };
- setup_udp_tunnel_sock(sock_net(sock->sk), sock, &cfg);
+ setup_udp_tunnel_sock(sock_net(sock->sk), setup_socket, &cfg);
}
--- End Message ---
--- Begin Message ---
Source: openvpn-dco-dkms
Source-Version: 0.0+git20260804-1
Done: Bernhard Schmidt <[email protected]>
We believe that the bug you reported is fixed in the latest version of
openvpn-dco-dkms, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Bernhard Schmidt <[email protected]> (supplier of updated openvpn-dco-dkms
package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Thu, 06 Aug 2026 14:07:15 +0200
Source: openvpn-dco-dkms
Architecture: source
Version: 0.0+git20260804-1
Distribution: unstable
Urgency: medium
Maintainer: Bernhard Schmidt <[email protected]>
Changed-By: Bernhard Schmidt <[email protected]>
Closes: 1142917
Changes:
openvpn-dco-dkms (0.0+git20260804-1) unstable; urgency=medium
.
* New upstream version 0.0+git20260804
- really fixes FTBFS on 7.1.5+ (Closes: #1142917)
* Drop patches included upstream
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