Hi Toke, url: https://github.com/0day-ci/linux/commits/Toke-H-iland-J-rgensen/bpf-Support-multi-attach-for-freplace-programs/20200715-211145 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: x86_64-randconfig-m001-20200715 (attached as .config) compiler: gcc-9 (Debian 9.3.0-14) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> smatch warnings: include/linux/bpf_verifier.h:351 bpf_verifier_log_needed() error: we previously assumed 'log' could be null (see line 350) include/linux/bpf_verifier.h:351 bpf_verifier_log_needed() error: we previously assumed 'log' could be null (see line 350) # https://github.com/0day-ci/linux/commit/e33243ff1dd2cbb3628e4044dd9e00a6abf99c7e git remote add linux-review https://github.com/0day-ci/linux git remote update linux-review git checkout e33243ff1dd2cbb3628e4044dd9e00a6abf99c7e vim +/log +351 include/linux/bpf_verifier.h 06ee7115b0d174 Alexei Starovoitov 2019-04-01 347 77d2e05abd4588 Martin KaFai Lau 2018-03-24 348 static inline bool bpf_verifier_log_needed(const struct bpf_verifier_log *log) 77d2e05abd4588 Martin KaFai Lau 2018-03-24 349 { e33243ff1dd2cb Toke Høiland-Jørgensen 2020-07-15 @350 return (log && log->level && log->ubuf && !bpf_verifier_log_full(log)) || ^^^ If "log" is NULL 8580ac9404f624 Alexei Starovoitov 2019-10-15 @351 log->level == BPF_LOG_KERNEL; ^^^^^^^^^^ then we are toasted. 77d2e05abd4588 Martin KaFai Lau 2018-03-24 352 } 77d2e05abd4588 Martin KaFai Lau 2018-03-24 353 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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