Re: arch/arm64/net/bpf_jit_comp.c:1683:16: sparse: sparse: incorrect type in assignment (different base types)

From: Xu Kuohai
Date: Sun Aug 07 2022 - 23:32:43 EST


On 8/6/2022 4:55 PM, Daniel Borkmann wrote:
On 8/6/22 2:46 AM, kernel test robot wrote:
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   74cae210a335d159f2eb822e261adee905b6951a
commit: efc9909fdce00a827a37609628223cd45bf95d0b bpf, arm64: Add bpf trampoline for arm64
date:   4 weeks ago
config: arm64-randconfig-s051-20220805 (https://download.01.org/0day-ci/archive/20220806/202208060800.EiP6qXW9-lkp@xxxxxxxxx/config)
compiler: aarch64-linux-gcc (GCC) 12.1.0
reproduce:
         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
         chmod +x ~/bin/make.cross
         # apt-get install sparse
         # sparse version: v0.6.4-39-gce1a6720-dirty
         # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=efc9909fdce00a827a37609628223cd45bf95d0b
         git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
         git fetch --no-tags linus master
         git checkout efc9909fdce00a827a37609628223cd45bf95d0b
         # save the config file
         mkdir build_dir && cp config build_dir/.config
         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/net/

Xu, please take a look and send a fix, thanks!


Sorry for the delay, I'll send a fix today.

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>