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Message-ID: <202507010904.MkxDYPdY-lkp@intel.com>
Date: Tue, 1 Jul 2025 10:03:30 +0800
From: kernel test robot <lkp@...el.com>
To: Jakub Sitnicki <jakub@...udflare.com>, bpf@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, Alexei Starovoitov <ast@...nel.org>,
Arthur Fabre <arthur@...hurfabre.com>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Jesper Dangaard Brouer <hawk@...nel.org>,
Jesse Brandeburg <jbrandeburg@...udflare.com>,
Joanne Koong <joannelkoong@...il.com>,
Lorenzo Bianconi <lorenzo@...nel.org>,
Toke Høiland-Jørgensen <thoiland@...hat.com>,
Yan Zhai <yan@...udflare.com>, netdev@...r.kernel.org,
kernel-team@...udflare.com, Stanislav Fomichev <sdf@...ichev.me>
Subject: Re: [PATCH bpf-next 02/13] bpf: Helpers for skb dynptr
read/write/slice
Hi Jakub,
kernel test robot noticed the following build errors:
[auto build test ERROR on bpf-next/master]
url: https://github.com/intel-lab-lkp/linux/commits/Jakub-Sitnicki/bpf-Ignore-dynptr-offset-in-skb-data-access/20250630-225941
base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link: https://lore.kernel.org/r/20250630-skb-metadata-thru-dynptr-v1-2-f17da13625d8%40cloudflare.com
patch subject: [PATCH bpf-next 02/13] bpf: Helpers for skb dynptr read/write/slice
config: microblaze-allnoconfig (https://download.01.org/0day-ci/archive/20250701/202507010904.MkxDYPdY-lkp@intel.com/config)
compiler: microblaze-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250701/202507010904.MkxDYPdY-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202507010904.MkxDYPdY-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
In file included from kernel/sysctl.c:29:
>> include/linux/filter.h:1788:1: error: expected identifier or '(' before '{' token
1788 | {
| ^
include/linux/filter.h:1795:1: error: expected identifier or '(' before '{' token
1795 | {
| ^
>> include/linux/filter.h:1785:19: warning: 'bpf_dynptr_skb_write' declared 'static' but never defined [-Wunused-function]
1785 | static inline int bpf_dynptr_skb_write(const struct bpf_dynptr_kern *dst,
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/filter.h:1792:21: warning: 'bpf_dynptr_skb_slice' declared 'static' but never defined [-Wunused-function]
1792 | static inline void *bpf_dynptr_skb_slice(const struct bpf_dynptr_kern *ptr,
| ^~~~~~~~~~~~~~~~~~~~
vim +1788 include/linux/filter.h
b5964b968ac64c Joanne Koong 2023-03-01 1784
e8b34e67737d71 Jakub Sitnicki 2025-06-30 @1785 static inline int bpf_dynptr_skb_write(const struct bpf_dynptr_kern *dst,
e8b34e67737d71 Jakub Sitnicki 2025-06-30 1786 u32 offset, const void *src, u32 len,
e8b34e67737d71 Jakub Sitnicki 2025-06-30 1787 u64 flags);
b5964b968ac64c Joanne Koong 2023-03-01 @1788 {
b5964b968ac64c Joanne Koong 2023-03-01 1789 return -EOPNOTSUPP;
b5964b968ac64c Joanne Koong 2023-03-01 1790 }
05421aecd4ed65 Joanne Koong 2023-03-01 1791
e8b34e67737d71 Jakub Sitnicki 2025-06-30 @1792 static inline void *bpf_dynptr_skb_slice(const struct bpf_dynptr_kern *ptr,
e8b34e67737d71 Jakub Sitnicki 2025-06-30 1793 u32 offset, void *buf, u32 len);
e8b34e67737d71 Jakub Sitnicki 2025-06-30 1794
--
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