From: kernel test robot <lkp@intel.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: oe-kbuild-all@lists.linux.dev
Subject: [arnd-playground:randconfig-7.3-next 568/673] include/uapi/linux/if_pppox.h:72:9: warning: alignment 1 of 'union <anonymous>' is less than 2
Date: Sat, 26 Sep 2026 04:22:50 +0200 [thread overview]
Message-ID: <202609260403.Z3C0Z05d-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git randconfig-7.3-next
head: 0a1affa74ef2f2c5c5ee74fc604e47a1aefdd286
commit: de6e2753a4e2e61ad06abc40a35348ace8e0ad55 [568/673] m68k: fix up headers for -malign-int
config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20260926/202609260403.Z3C0Z05d-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260926/202609260403.Z3C0Z05d-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609260403.Z3C0Z05d-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from include/linux/if_pppox.h:17,
from net/core/flow_dissector.c:21:
>> include/uapi/linux/if_pppox.h:72:9: warning: alignment 1 of 'union <anonymous>' is less than 2 [-Wpacked-not-aligned]
72 | } sa_addr;
| ^
vim +72 include/uapi/linux/if_pppox.h
607ca46e97a1b6 David Howells 2012-10-13 65
607ca46e97a1b6 David Howells 2012-10-13 66 struct sockaddr_pppox {
607ca46e97a1b6 David Howells 2012-10-13 67 __kernel_sa_family_t sa_family; /* address family, AF_PPPOX */
607ca46e97a1b6 David Howells 2012-10-13 68 unsigned int sa_protocol; /* protocol identifier */
607ca46e97a1b6 David Howells 2012-10-13 69 union {
f6d72a8b724c6e Arnd Bergmann 2023-06-19 70 struct pppoe_addr pppoe __packed;
f6d72a8b724c6e Arnd Bergmann 2023-06-19 71 struct pptp_addr pptp __packed;
607ca46e97a1b6 David Howells 2012-10-13 @72 } sa_addr;
607ca46e97a1b6 David Howells 2012-10-13 73 } __packed;
607ca46e97a1b6 David Howells 2012-10-13 74
:::::: The code at line 72 was first introduced by commit
:::::: 607ca46e97a1b6594b29647d98a32d545c24bdff UAPI: (Scripted) Disintegrate include/linux
:::::: TO: David Howells <dhowells@redhat.com>
:::::: CC: David Howells <dhowells@redhat.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-09-26 2:23 UTC|newest]
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