From: kbuild test robot <lkp@intel.com>
To: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
Michael Ellerman <mpe@ellerman.id.au>
Subject: arch/powerpc/kexec/ima.c:156:21: sparse: sparse: incorrect type in assignment (different base types)
Date: Sun, 24 May 2020 05:40:19 +0800 [thread overview]
Message-ID: <202005240516.sBPocLOs%lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 4196 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 423b8baf18a8c03f2d6fa99aa447ed0da189bb95
commit: 793b08e2efff3ec020c5c5861d00ed394fcdd488 powerpc/kexec: Move kexec files into a dedicated subdir.
date: 6 months ago
config: powerpc-randconfig-s001-20200524 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-193-gb8fad4bc-dirty
git checkout 793b08e2efff3ec020c5c5861d00ed394fcdd488
# save the attached .config to linux build tree
make W=1 C=1 ARCH=powerpc CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> arch/powerpc/kexec/ima.c:156:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] tmp @@ got restrunsigned int [usertype] tmp @@
>> arch/powerpc/kexec/ima.c:156:21: sparse: expected unsigned int [usertype] tmp
>> arch/powerpc/kexec/ima.c:156:21: sparse: got restricted __be32 [usertype]
>> arch/powerpc/kexec/ima.c:161:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] tmp @@ got nsigned long long [usertype] tmp @@
>> arch/powerpc/kexec/ima.c:161:21: sparse: expected unsigned long long [usertype] tmp
>> arch/powerpc/kexec/ima.c:161:21: sparse: got restricted __be64 [usertype]
vim +156 arch/powerpc/kexec/ima.c
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 147
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 148 static int write_number(void *p, u64 value, int cells)
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 149 {
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 150 if (cells == 1) {
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 151 u32 tmp;
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 152
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 153 if (value > U32_MAX)
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 154 return -EINVAL;
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 155
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 @156 tmp = cpu_to_be32(value);
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 157 memcpy(p, &tmp, sizeof(tmp));
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 158 } else if (cells == 2) {
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 159 u64 tmp;
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 160
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 @161 tmp = cpu_to_be64(value);
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 162 memcpy(p, &tmp, sizeof(tmp));
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 163 } else
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 164 return -EINVAL;
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 165
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 166 return 0;
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 167 }
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 168
:::::: The code at line 156 was first introduced by commit
:::::: ab6b1d1fc4aae6b8bd6fb1422405568094c9b40f powerpc: ima: send the kexec buffer to the next kernel
:::::: TO: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 31979 bytes --]
reply other threads:[~2020-05-23 21:59 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202005240516.sBPocLOs%lkp@intel.com \
--to=lkp@intel.com \
--cc=christophe.leroy@c-s.fr \
--cc=kbuild-all@lists.01.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mpe@ellerman.id.au \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®