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Message-ID: <202211251545.HHc1zsBb-lkp@intel.com>
Date: Fri, 25 Nov 2022 15:40:52 +0800
From: kernel test robot <lkp@...el.com>
To: Hao Sun <sunhao.th@...il.com>, bpf@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, ast@...nel.org,
daniel@...earbox.net, john.fastabend@...il.com, andrii@...nel.org,
martin.lau@...ux.dev, song@...nel.org, yhs@...com,
kpsingh@...nel.org, sdf@...gle.com, haoluo@...gle.com,
jolsa@...nel.org, davem@...emloft.net,
linux-kernel@...r.kernel.org, Hao Sun <sunhao.th@...il.com>
Subject: Re: [PATCH bpf-next v2 2/3] bpf: Sanitize LDX in jited BPF progs
with KASAN
Hi Hao,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on 2b3e8f6f5b939ceeb2e097339bf78ebaaf11dfe9]
url: https://github.com/intel-lab-lkp/linux/commits/Hao-Sun/bpf-Add-LDX-STX-ST-sanitize-in-jited-BPF-progs/20221125-143743
base: 2b3e8f6f5b939ceeb2e097339bf78ebaaf11dfe9
patch link: https://lore.kernel.org/r/20221125063630.536657-3-sunhao.th%40gmail.com
patch subject: [PATCH bpf-next v2 2/3] bpf: Sanitize LDX in jited BPF progs with KASAN
config: powerpc-allyesconfig
compiler: powerpc-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/2a9cbd2def8de929b9d30e5cbe68ac69ddb8dcb5
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Hao-Sun/bpf-Add-LDX-STX-ST-sanitize-in-jited-BPF-progs/20221125-143743
git checkout 2a9cbd2def8de929b9d30e5cbe68ac69ddb8dcb5
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash kernel/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
kernel/bpf/verifier.c:15335:21: warning: no previous prototype for 'bpf_asan_store8' [-Wmissing-prototypes]
15335 | notrace u64 bpf_asan_store##n(u##n *addr) \
| ^~~~~~~~~~~~~~
kernel/bpf/verifier.c:15342:1: note: in expansion of macro 'BPF_ASAN_STORE'
15342 | BPF_ASAN_STORE(8);
| ^~~~~~~~~~~~~~
kernel/bpf/verifier.c:15335:21: warning: no previous prototype for 'bpf_asan_store16' [-Wmissing-prototypes]
15335 | notrace u64 bpf_asan_store##n(u##n *addr) \
| ^~~~~~~~~~~~~~
kernel/bpf/verifier.c:15343:1: note: in expansion of macro 'BPF_ASAN_STORE'
15343 | BPF_ASAN_STORE(16);
| ^~~~~~~~~~~~~~
kernel/bpf/verifier.c:15335:21: warning: no previous prototype for 'bpf_asan_store32' [-Wmissing-prototypes]
15335 | notrace u64 bpf_asan_store##n(u##n *addr) \
| ^~~~~~~~~~~~~~
kernel/bpf/verifier.c:15344:1: note: in expansion of macro 'BPF_ASAN_STORE'
15344 | BPF_ASAN_STORE(32);
| ^~~~~~~~~~~~~~
kernel/bpf/verifier.c:15335:21: warning: no previous prototype for 'bpf_asan_store64' [-Wmissing-prototypes]
15335 | notrace u64 bpf_asan_store##n(u##n *addr) \
| ^~~~~~~~~~~~~~
kernel/bpf/verifier.c:15345:1: note: in expansion of macro 'BPF_ASAN_STORE'
15345 | BPF_ASAN_STORE(64);
| ^~~~~~~~~~~~~~
>> kernel/bpf/verifier.c:15348:21: warning: no previous prototype for 'bpf_asan_load8' [-Wmissing-prototypes]
15348 | notrace u64 bpf_asan_load##n(u##n *addr) \
| ^~~~~~~~~~~~~
kernel/bpf/verifier.c:15353:1: note: in expansion of macro 'BPF_ASAN_LOAD'
15353 | BPF_ASAN_LOAD(8);
| ^~~~~~~~~~~~~
>> kernel/bpf/verifier.c:15348:21: warning: no previous prototype for 'bpf_asan_load16' [-Wmissing-prototypes]
15348 | notrace u64 bpf_asan_load##n(u##n *addr) \
| ^~~~~~~~~~~~~
kernel/bpf/verifier.c:15354:1: note: in expansion of macro 'BPF_ASAN_LOAD'
15354 | BPF_ASAN_LOAD(16);
| ^~~~~~~~~~~~~
>> kernel/bpf/verifier.c:15348:21: warning: no previous prototype for 'bpf_asan_load32' [-Wmissing-prototypes]
15348 | notrace u64 bpf_asan_load##n(u##n *addr) \
| ^~~~~~~~~~~~~
kernel/bpf/verifier.c:15355:1: note: in expansion of macro 'BPF_ASAN_LOAD'
15355 | BPF_ASAN_LOAD(32);
| ^~~~~~~~~~~~~
>> kernel/bpf/verifier.c:15348:21: warning: no previous prototype for 'bpf_asan_load64' [-Wmissing-prototypes]
15348 | notrace u64 bpf_asan_load##n(u##n *addr) \
| ^~~~~~~~~~~~~
kernel/bpf/verifier.c:15356:1: note: in expansion of macro 'BPF_ASAN_LOAD'
15356 | BPF_ASAN_LOAD(64);
| ^~~~~~~~~~~~~
vim +/bpf_asan_load8 +15348 kernel/bpf/verifier.c
15346
15347 #define BPF_ASAN_LOAD(n) \
15348 notrace u64 bpf_asan_load##n(u##n *addr) \
15349 { \
15350 return *addr; \
15351 }
15352
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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