tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 9c7d619be5a002ea29c172df5e3c1227c22cbb41 commit: a4654e9bde4ecedb4921e6c8fe2088114bdff1b3 Merge branch 'x86/kdump' into locking/kcsan, to resolve conflicts date: 6 months ago config: arm64-randconfig-s031-20200902 (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: v0.6.2-191-g10164920-dirty git checkout a4654e9bde4ecedb4921e6c8fe2088114bdff1b3 # 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 <l...@intel.com> sparse warnings: (new ones prefixed by >>) net/decnet/af_decnet.c:249:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int hash @@ got restricted __le16 [usertype] sdn_objnamel @@ net/decnet/af_decnet.c:249:22: sparse: expected unsigned int hash net/decnet/af_decnet.c:249:22: sparse: got restricted __le16 [usertype] sdn_objnamel net/decnet/af_decnet.c: note: in included file: include/net/dn.h:192:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [usertype] sport @@ got restricted __le16 [usertype] addrloc @@ include/net/dn.h:192:24: sparse: expected restricted __be16 [usertype] sport include/net/dn.h:192:24: sparse: got restricted __le16 [usertype] addrloc include/net/dn.h:193:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [usertype] dport @@ got restricted __le16 [usertype] addrrem @@ include/net/dn.h:193:24: sparse: expected restricted __be16 [usertype] dport include/net/dn.h:193:24: sparse: got restricted __le16 [usertype] addrrem net/decnet/af_decnet.c:2159:13: sparse: sparse: context imbalance in 'dn_socket_get_idx' - wrong count at exit net/decnet/af_decnet.c: note: in included file (through arch/arm64/include/asm/atomic.h, include/linux/atomic.h, include/asm-generic/bitops/atomic.h, ...): >> include/asm-generic/atomic-instrumented.h:193:29: sparse: sparse: context >> imbalance in 'dn_socket_seq_next' - unexpected unlock >> include/asm-generic/atomic-instrumented.h:193:29: sparse: sparse: context >> imbalance in 'dn_socket_seq_stop' - unexpected unlock # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4654e9bde4ecedb4921e6c8fe2088114bdff1b3 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout a4654e9bde4ecedb4921e6c8fe2088114bdff1b3 vim +/dn_socket_seq_next +193 include/asm-generic/atomic-instrumented.h aa525d063851a9 Mark Rutland 2018-09-04 188 aa525d063851a9 Mark Rutland 2018-09-04 189 #if defined(arch_atomic_sub_return_release) c020395b6634b7 Marco Elver 2019-11-26 190 static __always_inline int aa525d063851a9 Mark Rutland 2018-09-04 191 atomic_sub_return_release(int i, atomic_t *v) aa525d063851a9 Mark Rutland 2018-09-04 192 { e75a6795ed132f Marco Elver 2019-11-14 @193 __atomic_check_write(v, sizeof(*v)); aa525d063851a9 Mark Rutland 2018-09-04 194 return arch_atomic_sub_return_release(i, v); aa525d063851a9 Mark Rutland 2018-09-04 195 } aa525d063851a9 Mark Rutland 2018-09-04 196 #define atomic_sub_return_release atomic_sub_return_release aa525d063851a9 Mark Rutland 2018-09-04 197 #endif aa525d063851a9 Mark Rutland 2018-09-04 198 :::::: The code at line 193 was first introduced by commit :::::: e75a6795ed132f26f69d08dea958630d5993056d locking/atomics, kcsan: Add KCSAN instrumentation :::::: TO: Marco Elver <el...@google.com> :::::: CC: Paul E. McKenney <paul...@kernel.org> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
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