tree: https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git for-next/Warray-bounds head: 0d6455c92b82b36e29e5206a46329058d75fbc33 commit: 0d6455c92b82b36e29e5206a46329058d75fbc33 [1/1] Makefile: Enable -Warray-bounds config: sparc-randconfig-p002-20210715 (attached as .config) compiler: sparc-linux-gcc (GCC) 10.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git/comm... git remote add gustavoars-linux https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git git fetch --no-tags gustavoars-linux for-next/Warray-bounds git checkout 0d6455c92b82b36e29e5206a46329058d75fbc33 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=sparc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): arch/sparc/kernel/irq_32.c: In function 'sparc_floppy_request_irq': 258 | table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_one = SPARC_RD_PSR_L0; \ | ^ arch/sparc/kernel/irq_32.c:272:3: note: in expansion of macro 'INSTANTIATE' 272 | INSTANTIATE(trap_table) | ^~~~~~~~~~~ In file included from arch/sparc/kernel/irq_32.c:25: arch/sparc/kernel/kernel.h:143:24: note: while referencing 'trapbase_cpu1' 143 | extern struct tt_entry trapbase_cpu1; | ^~~~~~~~~~~~~ In file included from arch/sparc/include/asm/traps.h:10, from arch/sparc/kernel/kernel.h:8, from arch/sparc/kernel/irq_32.c:25: arch/sparc/kernel/irq_32.c:261:25: error: array subscript [16, 79] is outside array bounds of 'struct tt_entry[1]' [-Werror=array-bounds] 261 | (unsigned long) &table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_two);\ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/sparc/include/uapi/asm/traps.h:27:38: note: in definition of macro 'SPARC_BRANCH' 27 | (0x10800000 | (((dest_addr-inst_addr)>>2)&0x3fffff)) | ^~~~~~~~~ arch/sparc/kernel/irq_32.c:272:3: note: in expansion of macro 'INSTANTIATE' 272 | INSTANTIATE(trap_table) | ^~~~~~~~~~~ In file included from arch/sparc/kernel/irq_32.c:25: arch/sparc/kernel/kernel.h:143:24: note: while referencing 'trapbase_cpu1' 143 | extern struct tt_entry trapbase_cpu1; | ^~~~~~~~~~~~~ arch/sparc/kernel/irq_32.c:259:7: error: array subscript [16, 79] is outside array bounds of 'struct tt_entry[1]' [-Werror=array-bounds] 259 | table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_two = \ | ^ arch/sparc/kernel/irq_32.c:272:3: note: in expansion of macro 'INSTANTIATE' 272 | INSTANTIATE(trap_table) | ^~~~~~~~~~~ In file included from arch/sparc/kernel/irq_32.c:25: arch/sparc/kernel/kernel.h:143:24: note: while referencing 'trapbase_cpu1' 143 | extern struct tt_entry trapbase_cpu1; | ^~~~~~~~~~~~~ arch/sparc/kernel/irq_32.c:262:7: error: array subscript [16, 79] is outside array bounds of 'struct tt_entry[1]' [-Werror=array-bounds] 262 | table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_three = SPARC_RD_WIM_L3; \ | ^ arch/sparc/kernel/irq_32.c:272:3: note: in expansion of macro 'INSTANTIATE' 272 | INSTANTIATE(trap_table) | ^~~~~~~~~~~ In file included from arch/sparc/kernel/irq_32.c:25: arch/sparc/kernel/kernel.h:143:24: note: while referencing 'trapbase_cpu1' 143 | extern struct tt_entry trapbase_cpu1; | ^~~~~~~~~~~~~ arch/sparc/kernel/irq_32.c:263:7: error: array subscript [16, 79] is outside array bounds of 'struct tt_entry[1]' [-Werror=array-bounds] 263 | table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_four = SPARC_NOP; | ^ arch/sparc/kernel/irq_32.c:272:3: note: in expansion of macro 'INSTANTIATE' 272 | INSTANTIATE(trap_table) | ^~~~~~~~~~~ In file included from arch/sparc/kernel/irq_32.c:25: arch/sparc/kernel/kernel.h:143:24: note: while referencing 'trapbase_cpu1' 143 | extern struct tt_entry trapbase_cpu1; | ^~~~~~~~~~~~~ 258 | table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_one = SPARC_RD_PSR_L0; \ | ^ arch/sparc/kernel/irq_32.c:274:3: note: in expansion of macro 'INSTANTIATE' 274 | INSTANTIATE(trap_table) | ^~~~~~~~~~~ In file included from arch/sparc/kernel/irq_32.c:25: arch/sparc/kernel/kernel.h:144:24: note: while referencing 'trapbase_cpu2' 144 | extern struct tt_entry trapbase_cpu2; | ^~~~~~~~~~~~~ In file included from arch/sparc/include/asm/traps.h:10, from arch/sparc/kernel/kernel.h:8, from arch/sparc/kernel/irq_32.c:25: arch/sparc/kernel/irq_32.c:261:25: error: array subscript [16, 79] is outside array bounds of 'struct tt_entry[1]' [-Werror=array-bounds] 261 | (unsigned long) &table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_two);\ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/sparc/include/uapi/asm/traps.h:27:38: note: in definition of macro 'SPARC_BRANCH' 27 | (0x10800000 | (((dest_addr-inst_addr)>>2)&0x3fffff)) | ^~~~~~~~~ arch/sparc/kernel/irq_32.c:274:3: note: in expansion of macro 'INSTANTIATE' 274 | INSTANTIATE(trap_table) | ^~~~~~~~~~~ In file included from arch/sparc/kernel/irq_32.c:25: arch/sparc/kernel/kernel.h:144:24: note: while referencing 'trapbase_cpu2' 144 | extern struct tt_entry trapbase_cpu2; | ^~~~~~~~~~~~~ arch/sparc/kernel/irq_32.c:259:7: error: array subscript [16, 79] is outside array bounds of 'struct tt_entry[1]' [-Werror=array-bounds] 259 | table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_two = \ | ^ arch/sparc/kernel/irq_32.c:274:3: note: in expansion of macro 'INSTANTIATE' 274 | INSTANTIATE(trap_table) | ^~~~~~~~~~~ In file included from arch/sparc/kernel/irq_32.c:25: arch/sparc/kernel/kernel.h:144:24: note: while referencing 'trapbase_cpu2' 144 | extern struct tt_entry trapbase_cpu2; | ^~~~~~~~~~~~~ arch/sparc/kernel/irq_32.c:262:7: error: array subscript [16, 79] is outside array bounds of 'struct tt_entry[1]' [-Werror=array-bounds] 262 | table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_three = SPARC_RD_WIM_L3; \ | ^ arch/sparc/kernel/irq_32.c:274:3: note: in expansion of macro 'INSTANTIATE' 274 | INSTANTIATE(trap_table) | ^~~~~~~~~~~ In file included from arch/sparc/kernel/irq_32.c:25: arch/sparc/kernel/kernel.h:144:24: note: while referencing 'trapbase_cpu2' 144 | extern struct tt_entry trapbase_cpu2; | ^~~~~~~~~~~~~ arch/sparc/kernel/irq_32.c:263:7: error: array subscript [16, 79] is outside array bounds of 'struct tt_entry[1]' [-Werror=array-bounds] 263 | table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_four = SPARC_NOP; | ^ arch/sparc/kernel/irq_32.c:274:3: note: in expansion of macro 'INSTANTIATE' 274 | INSTANTIATE(trap_table) | ^~~~~~~~~~~ In file included from arch/sparc/kernel/irq_32.c:25: arch/sparc/kernel/kernel.h:144:24: note: while referencing 'trapbase_cpu2' 144 | extern struct tt_entry trapbase_cpu2; | ^~~~~~~~~~~~~ 258 | table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_one = SPARC_RD_PSR_L0; \ | ^ arch/sparc/kernel/irq_32.c:276:3: note: in expansion of macro 'INSTANTIATE' 276 | INSTANTIATE(trap_table) | ^~~~~~~~~~~ In file included from arch/sparc/kernel/irq_32.c:25: arch/sparc/kernel/kernel.h:145:24: note: while referencing 'trapbase_cpu3' 145 | extern struct tt_entry trapbase_cpu3; | ^~~~~~~~~~~~~ In file included from arch/sparc/include/asm/traps.h:10, from arch/sparc/kernel/kernel.h:8, from arch/sparc/kernel/irq_32.c:25: arch/sparc/kernel/irq_32.c:261:25: error: array subscript [16, 79] is outside array bounds of 'struct tt_entry[1]' [-Werror=array-bounds] 261 | (unsigned long) &table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_two);\ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/sparc/include/uapi/asm/traps.h:27:38: note: in definition of macro 'SPARC_BRANCH' 27 | (0x10800000 | (((dest_addr-inst_addr)>>2)&0x3fffff)) | ^~~~~~~~~ arch/sparc/kernel/irq_32.c:276:3: note: in expansion of macro 'INSTANTIATE' 276 | INSTANTIATE(trap_table) | ^~~~~~~~~~~ In file included from arch/sparc/kernel/irq_32.c:25: arch/sparc/kernel/kernel.h:145:24: note: while referencing 'trapbase_cpu3' 145 | extern struct tt_entry trapbase_cpu3; | ^~~~~~~~~~~~~ arch/sparc/kernel/irq_32.c:259:7: error: array subscript [16, 79] is outside array bounds of 'struct tt_entry[1]' [-Werror=array-bounds] 259 | table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_two = \ | ^ arch/sparc/kernel/irq_32.c:276:3: note: in expansion of macro 'INSTANTIATE' 276 | INSTANTIATE(trap_table) | ^~~~~~~~~~~ In file included from arch/sparc/kernel/irq_32.c:25: arch/sparc/kernel/kernel.h:145:24: note: while referencing 'trapbase_cpu3' 145 | extern struct tt_entry trapbase_cpu3; | ^~~~~~~~~~~~~ arch/sparc/kernel/irq_32.c:262:7: error: array subscript [16, 79] is outside array bounds of 'struct tt_entry[1]' [-Werror=array-bounds] 262 | table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_three = SPARC_RD_WIM_L3; \ | ^ arch/sparc/kernel/irq_32.c:276:3: note: in expansion of macro 'INSTANTIATE' 276 | INSTANTIATE(trap_table) | ^~~~~~~~~~~ In file included from arch/sparc/kernel/irq_32.c:25: arch/sparc/kernel/kernel.h:145:24: note: while referencing 'trapbase_cpu3' 145 | extern struct tt_entry trapbase_cpu3; | ^~~~~~~~~~~~~ arch/sparc/kernel/irq_32.c:263:7: error: array subscript [16, 79] is outside array bounds of 'struct tt_entry[1]' [-Werror=array-bounds] 263 | table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_four = SPARC_NOP; | ^ arch/sparc/kernel/irq_32.c:276:3: note: in expansion of macro 'INSTANTIATE' 276 | INSTANTIATE(trap_table) | ^~~~~~~~~~~ In file included from arch/sparc/kernel/irq_32.c:25: arch/sparc/kernel/kernel.h:145:24: note: while referencing 'trapbase_cpu3' 145 | extern struct tt_entry trapbase_cpu3; | ^~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +258 arch/sparc/kernel/irq_32.c ^1da177e4c3f41 arch/sparc/kernel/irq.c Linus Torvalds 2005-04-16 240 6baa9b20a68a88 arch/sparc/kernel/irq_32.c Sam Ravnborg 2011-04-18 241 int sparc_floppy_request_irq(unsigned int irq, irq_handler_t irq_handler) ^1da177e4c3f41 arch/sparc/kernel/irq.c Linus Torvalds 2005-04-16 242 { ^1da177e4c3f41 arch/sparc/kernel/irq.c Linus Torvalds 2005-04-16 243 unsigned int cpu_irq; 6baa9b20a68a88 arch/sparc/kernel/irq_32.c Sam Ravnborg 2011-04-18 244 int err; 6baa9b20a68a88 arch/sparc/kernel/irq_32.c Sam Ravnborg 2011-04-18 245 ^1da177e4c3f41 arch/sparc/kernel/irq.c Linus Torvalds 2005-04-16 246 6baa9b20a68a88 arch/sparc/kernel/irq_32.c Sam Ravnborg 2011-04-18 247 err = request_irq(irq, irq_handler, 0, "floppy", NULL); 6baa9b20a68a88 arch/sparc/kernel/irq_32.c Sam Ravnborg 2011-04-18 248 if (err) 6baa9b20a68a88 arch/sparc/kernel/irq_32.c Sam Ravnborg 2011-04-18 249 return -1; ^1da177e4c3f41 arch/sparc/kernel/irq.c Linus Torvalds 2005-04-16 250 6baa9b20a68a88 arch/sparc/kernel/irq_32.c Sam Ravnborg 2011-04-18 251 /* Save for later use in floppy interrupt handler */ 6baa9b20a68a88 arch/sparc/kernel/irq_32.c Sam Ravnborg 2011-04-18 252 floppy_irq = irq; ^1da177e4c3f41 arch/sparc/kernel/irq.c Linus Torvalds 2005-04-16 253 6baa9b20a68a88 arch/sparc/kernel/irq_32.c Sam Ravnborg 2011-04-18 254 cpu_irq = (irq & (NR_IRQS - 1)); ^1da177e4c3f41 arch/sparc/kernel/irq.c Linus Torvalds 2005-04-16 255 ^1da177e4c3f41 arch/sparc/kernel/irq.c Linus Torvalds 2005-04-16 256 /* Dork with trap table if we get this far. */ ^1da177e4c3f41 arch/sparc/kernel/irq.c Linus Torvalds 2005-04-16 257 #define INSTANTIATE(table) \ ^1da177e4c3f41 arch/sparc/kernel/irq.c Linus Torvalds 2005-04-16 @258 table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_one = SPARC_RD_PSR_L0; \ ^1da177e4c3f41 arch/sparc/kernel/irq.c Linus Torvalds 2005-04-16 259 table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_two = \ 6baa9b20a68a88 arch/sparc/kernel/irq_32.c Sam Ravnborg 2011-04-18 260 SPARC_BRANCH((unsigned long) floppy_hardint, \ ^1da177e4c3f41 arch/sparc/kernel/irq.c Linus Torvalds 2005-04-16 261 (unsigned long) &table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_two);\ ^1da177e4c3f41 arch/sparc/kernel/irq.c Linus Torvalds 2005-04-16 262 table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_three = SPARC_RD_WIM_L3; \ ^1da177e4c3f41 arch/sparc/kernel/irq.c Linus Torvalds 2005-04-16 263 table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_four = SPARC_NOP; ^1da177e4c3f41 arch/sparc/kernel/irq.c Linus Torvalds 2005-04-16 264 ^1da177e4c3f41 arch/sparc/kernel/irq.c Linus Torvalds 2005-04-16 265 INSTANTIATE(sparc_ttable) b08b5c9c9b35c9 arch/sparc/kernel/irq_32.c Sam Ravnborg 2012-05-25 266 :::::: The code at line 258 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torvalds(a)ppc970.osdl.org&gt; :::::: CC: Linus Torvalds <torvalds(a)ppc970.osdl.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org