CC: [email protected] CC: [email protected] TO: Amit Daniel Kachhap <[email protected]> CC: Will Deacon <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 07e0887302450a62f51dba72df6afb5fabb23d1c commit: 203b1152d18c04823f73b843eb3b0ad646e4dbb2 arm64/crash_core: Export KERNELPACMASK in vmcoreinfo date: 6 months ago :::::: branch date: 10 hours ago :::::: commit date: 6 months ago config: arm64-randconfig-s032-20201028 (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 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: v0.6.3-56-gc09e8239-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=203b1152d18c04823f73b843eb3b0ad646e4dbb2 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 203b1152d18c04823f73b843eb3b0ad646e4dbb2 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> "sparse warnings: (new ones prefixed by >>)" net/ipv6/mcast.c: note: in included file: include/net/mld.h:32:43: sparse: sparse: array of flexible structures net/ipv6/mcast.c:259:25: sparse: sparse: context imbalance in 'ip6_mc_find_dev_rcu' - different lock contexts for basic block net/ipv6/mcast.c:453:9: sparse: sparse: context imbalance in 'ip6_mc_source' - unexpected unlock net/ipv6/mcast.c: note: in included file (through include/linux/spinlock_api_smp.h, include/linux/spinlock.h, include/linux/seqlock.h, ...): >> include/linux/rwlock_api_smp.h:251:30: sparse: sparse: context imbalance in >> 'ip6_mc_msfilter' - unexpected unlock >> include/linux/rwlock_api_smp.h:251:30: sparse: sparse: context imbalance in >> 'ip6_mc_msfget' - unexpected unlock net/ipv6/mcast.c:2704:25: sparse: sparse: context imbalance in 'igmp6_mc_get_next' - unexpected unlock net/ipv6/mcast.c:2726:9: sparse: sparse: context imbalance in 'igmp6_mc_get_idx' - wrong count at exit net/ipv6/mcast.c:2753:9: sparse: sparse: context imbalance in 'igmp6_mc_seq_stop' - unexpected unlock net/ipv6/mcast.c:2825:31: sparse: sparse: context imbalance in 'igmp6_mcf_get_next' - unexpected unlock net/ipv6/mcast.c:2857:9: sparse: sparse: context imbalance in 'igmp6_mcf_get_idx' - wrong count at exit net/ipv6/mcast.c:2874:9: sparse: sparse: context imbalance in 'igmp6_mcf_seq_next' - wrong count at exit net/ipv6/mcast.c:2887:17: sparse: sparse: context imbalance in 'igmp6_mcf_seq_stop' - unexpected unlock vim +/ip6_mc_msfilter +251 include/linux/rwlock_api_smp.h 6b6b4792f89346e Thomas Gleixner 2009-11-16 246 9c1721aa4994f66 Thomas Gleixner 2009-12-03 247 static inline void __raw_read_unlock_bh(rwlock_t *lock) 6b6b4792f89346e Thomas Gleixner 2009-11-16 248 { 5facae4f3549b5c Qian Cai 2019-09-19 249 rwlock_release(&lock->dep_map, _RET_IP_); 9828ea9d75c38fe Thomas Gleixner 2009-12-03 250 do_raw_read_unlock(lock); 9ea4c380066fbe2 Peter Zijlstra 2013-11-19 @251 __local_bh_enable_ip(_RET_IP_, SOFTIRQ_LOCK_OFFSET); 6b6b4792f89346e Thomas Gleixner 2009-11-16 252 } 6b6b4792f89346e Thomas Gleixner 2009-11-16 253 :::::: The code at line 251 was first introduced by commit :::::: 9ea4c380066fbe23fe0da7f4abfabc444f2467f4 locking: Optimize lock_bh functions :::::: TO: Peter Zijlstra <[email protected]> :::::: CC: Ingo Molnar <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
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