tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 259cbfc98c55ba3b6ef6e61fb7cfc3751dfded1e commit: 9b106a9037d705d0c5cbc747b6fed7cbb33b0e00 [4050/5679] fortify: Detect struct member overflows in memcpy() at compile-time config: powerpc-randconfig-s032-20220213 (https://download.01.org/0day-ci/archive/20220214/202202141923.LIhTJmFW-lkp@xxxxxxxxx/config) compiler: powerpc-linux-gcc (GCC) 11.2.0 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-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=9b106a9037d705d0c5cbc747b6fed7cbb33b0e00 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 9b106a9037d705d0c5cbc747b6fed7cbb33b0e00 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/platforms/52xx/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> arch/powerpc/platforms/52xx/mpc52xx_pm.c:133:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *static [assigned] [toplevel] sram @@ arch/powerpc/platforms/52xx/mpc52xx_pm.c:133:9: sparse: expected void const * arch/powerpc/platforms/52xx/mpc52xx_pm.c:133:9: sparse: got void [noderef] __iomem *static [assigned] [toplevel] sram >> arch/powerpc/platforms/52xx/mpc52xx_pm.c:133:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *static [assigned] [toplevel] sram @@ arch/powerpc/platforms/52xx/mpc52xx_pm.c:133:9: sparse: expected void const * arch/powerpc/platforms/52xx/mpc52xx_pm.c:133:9: sparse: got void [noderef] __iomem *static [assigned] [toplevel] sram arch/powerpc/platforms/52xx/mpc52xx_pm.c:133:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *static [assigned] [toplevel] sram @@ arch/powerpc/platforms/52xx/mpc52xx_pm.c:133:9: sparse: expected void const * arch/powerpc/platforms/52xx/mpc52xx_pm.c:133:9: sparse: got void [noderef] __iomem *static [assigned] [toplevel] sram arch/powerpc/platforms/52xx/mpc52xx_pm.c:136:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *static [assigned] [toplevel] sram @@ arch/powerpc/platforms/52xx/mpc52xx_pm.c:136:9: sparse: expected void const * arch/powerpc/platforms/52xx/mpc52xx_pm.c:136:9: sparse: got void [noderef] __iomem *static [assigned] [toplevel] sram arch/powerpc/platforms/52xx/mpc52xx_pm.c:136:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *static [assigned] [toplevel] sram @@ arch/powerpc/platforms/52xx/mpc52xx_pm.c:136:9: sparse: expected void const * arch/powerpc/platforms/52xx/mpc52xx_pm.c:136:9: sparse: got void [noderef] __iomem *static [assigned] [toplevel] sram >> arch/powerpc/platforms/52xx/mpc52xx_pm.c:136:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void * @@ got void [noderef] __iomem *static [assigned] [toplevel] sram @@ arch/powerpc/platforms/52xx/mpc52xx_pm.c:136:9: sparse: expected void * arch/powerpc/platforms/52xx/mpc52xx_pm.c:136:9: sparse: got void [noderef] __iomem *static [assigned] [toplevel] sram >> arch/powerpc/platforms/52xx/mpc52xx_pm.c:155:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *irq_0x500 @@ arch/powerpc/platforms/52xx/mpc52xx_pm.c:155:9: sparse: expected void const * arch/powerpc/platforms/52xx/mpc52xx_pm.c:155:9: sparse: got void [noderef] __iomem *irq_0x500 >> arch/powerpc/platforms/52xx/mpc52xx_pm.c:155:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *irq_0x500 @@ arch/powerpc/platforms/52xx/mpc52xx_pm.c:155:9: sparse: expected void const * arch/powerpc/platforms/52xx/mpc52xx_pm.c:155:9: sparse: got void [noderef] __iomem *irq_0x500 arch/powerpc/platforms/52xx/mpc52xx_pm.c:155:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *irq_0x500 @@ arch/powerpc/platforms/52xx/mpc52xx_pm.c:155:9: sparse: expected void const * arch/powerpc/platforms/52xx/mpc52xx_pm.c:155:9: sparse: got void [noderef] __iomem *irq_0x500 arch/powerpc/platforms/52xx/mpc52xx_pm.c:156:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *irq_0x500 @@ arch/powerpc/platforms/52xx/mpc52xx_pm.c:156:9: sparse: expected void const * arch/powerpc/platforms/52xx/mpc52xx_pm.c:156:9: sparse: got void [noderef] __iomem *irq_0x500 arch/powerpc/platforms/52xx/mpc52xx_pm.c:156:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *irq_0x500 @@ arch/powerpc/platforms/52xx/mpc52xx_pm.c:156:9: sparse: expected void const * arch/powerpc/platforms/52xx/mpc52xx_pm.c:156:9: sparse: got void [noderef] __iomem *irq_0x500 >> arch/powerpc/platforms/52xx/mpc52xx_pm.c:156:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void * @@ got void [noderef] __iomem *irq_0x500 @@ arch/powerpc/platforms/52xx/mpc52xx_pm.c:156:9: sparse: expected void * arch/powerpc/platforms/52xx/mpc52xx_pm.c:156:9: sparse: got void [noderef] __iomem *irq_0x500 arch/powerpc/platforms/52xx/mpc52xx_pm.c:163:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *irq_0x500 @@ arch/powerpc/platforms/52xx/mpc52xx_pm.c:163:9: sparse: expected void const * arch/powerpc/platforms/52xx/mpc52xx_pm.c:163:9: sparse: got void [noderef] __iomem *irq_0x500 arch/powerpc/platforms/52xx/mpc52xx_pm.c:163:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *irq_0x500 @@ arch/powerpc/platforms/52xx/mpc52xx_pm.c:163:9: sparse: expected void const * arch/powerpc/platforms/52xx/mpc52xx_pm.c:163:9: sparse: got void [noderef] __iomem *irq_0x500 arch/powerpc/platforms/52xx/mpc52xx_pm.c:163:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void * @@ got void [noderef] __iomem *irq_0x500 @@ arch/powerpc/platforms/52xx/mpc52xx_pm.c:163:9: sparse: expected void * arch/powerpc/platforms/52xx/mpc52xx_pm.c:163:9: sparse: got void [noderef] __iomem *irq_0x500 arch/powerpc/platforms/52xx/mpc52xx_pm.c:176:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *static [assigned] [toplevel] sram @@ arch/powerpc/platforms/52xx/mpc52xx_pm.c:176:9: sparse: expected void const * arch/powerpc/platforms/52xx/mpc52xx_pm.c:176:9: sparse: got void [noderef] __iomem *static [assigned] [toplevel] sram arch/powerpc/platforms/52xx/mpc52xx_pm.c:176:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *static [assigned] [toplevel] sram @@ arch/powerpc/platforms/52xx/mpc52xx_pm.c:176:9: sparse: expected void const * arch/powerpc/platforms/52xx/mpc52xx_pm.c:176:9: sparse: got void [noderef] __iomem *static [assigned] [toplevel] sram arch/powerpc/platforms/52xx/mpc52xx_pm.c:176:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void * @@ got void [noderef] __iomem *static [assigned] [toplevel] sram @@ arch/powerpc/platforms/52xx/mpc52xx_pm.c:176:9: sparse: expected void * arch/powerpc/platforms/52xx/mpc52xx_pm.c:176:9: sparse: got void [noderef] __iomem *static [assigned] [toplevel] sram vim +133 arch/powerpc/platforms/52xx/mpc52xx_pm.c 2e1ee1f76684c5 Domen Puncer 2007-05-07 112 2e1ee1f76684c5 Domen Puncer 2007-05-07 113 int mpc52xx_pm_enter(suspend_state_t state) 2e1ee1f76684c5 Domen Puncer 2007-05-07 114 { 2e1ee1f76684c5 Domen Puncer 2007-05-07 115 u32 clk_enables; 2e1ee1f76684c5 Domen Puncer 2007-05-07 116 u32 msr, hid0; 2e1ee1f76684c5 Domen Puncer 2007-05-07 117 u32 intr_main_mask; d3e0e02804a5f4 Domen Puncer 2007-07-09 118 void __iomem * irq_0x500 = (void __iomem *)CONFIG_KERNEL_START + 0x500; 2e1ee1f76684c5 Domen Puncer 2007-05-07 119 unsigned long irq_0x500_stop = (unsigned long)irq_0x500 + mpc52xx_ds_cached_size; 741c5640a15a23 Kees Cook 2018-07-02 120 char saved_0x500[0x600-0x500]; 741c5640a15a23 Kees Cook 2018-07-02 121 741c5640a15a23 Kees Cook 2018-07-02 122 if (WARN_ON(mpc52xx_ds_cached_size > sizeof(saved_0x500))) 741c5640a15a23 Kees Cook 2018-07-02 123 return -ENOMEM; 2e1ee1f76684c5 Domen Puncer 2007-05-07 124 2e1ee1f76684c5 Domen Puncer 2007-05-07 125 /* disable all interrupts in PIC */ 2e1ee1f76684c5 Domen Puncer 2007-05-07 126 intr_main_mask = in_be32(&intr->main_mask); 2e1ee1f76684c5 Domen Puncer 2007-05-07 127 out_be32(&intr->main_mask, intr_main_mask | 0x1ffff); 2e1ee1f76684c5 Domen Puncer 2007-05-07 128 2e1ee1f76684c5 Domen Puncer 2007-05-07 129 /* don't let DEC expire any time soon */ 2e1ee1f76684c5 Domen Puncer 2007-05-07 130 mtspr(SPRN_DEC, 0x7fffffff); 2e1ee1f76684c5 Domen Puncer 2007-05-07 131 2e1ee1f76684c5 Domen Puncer 2007-05-07 132 /* save SRAM */ 2e1ee1f76684c5 Domen Puncer 2007-05-07 @133 memcpy(saved_sram, sram, sram_size); 2e1ee1f76684c5 Domen Puncer 2007-05-07 134 2e1ee1f76684c5 Domen Puncer 2007-05-07 135 /* copy low level suspend code to sram */ 2e1ee1f76684c5 Domen Puncer 2007-05-07 @136 memcpy(sram, mpc52xx_ds_sram, mpc52xx_ds_sram_size); 2e1ee1f76684c5 Domen Puncer 2007-05-07 137 2e1ee1f76684c5 Domen Puncer 2007-05-07 138 out_8(&cdm->ccs_sleep_enable, 1); 2e1ee1f76684c5 Domen Puncer 2007-05-07 139 out_8(&cdm->osc_sleep_enable, 1); 2e1ee1f76684c5 Domen Puncer 2007-05-07 140 out_8(&cdm->ccs_qreq_test, 1); 2e1ee1f76684c5 Domen Puncer 2007-05-07 141 2e1ee1f76684c5 Domen Puncer 2007-05-07 142 /* disable all but SDRAM and bestcomm (SRAM) clocks */ 2e1ee1f76684c5 Domen Puncer 2007-05-07 143 clk_enables = in_be32(&cdm->clk_enables); 2e1ee1f76684c5 Domen Puncer 2007-05-07 144 out_be32(&cdm->clk_enables, clk_enables & 0x00088000); 2e1ee1f76684c5 Domen Puncer 2007-05-07 145 2e1ee1f76684c5 Domen Puncer 2007-05-07 146 /* disable power management */ 2e1ee1f76684c5 Domen Puncer 2007-05-07 147 msr = mfmsr(); 2e1ee1f76684c5 Domen Puncer 2007-05-07 148 mtmsr(msr & ~MSR_POW); 2e1ee1f76684c5 Domen Puncer 2007-05-07 149 2e1ee1f76684c5 Domen Puncer 2007-05-07 150 /* enable sleep mode, disable others */ 2e1ee1f76684c5 Domen Puncer 2007-05-07 151 hid0 = mfspr(SPRN_HID0); 2e1ee1f76684c5 Domen Puncer 2007-05-07 152 mtspr(SPRN_HID0, (hid0 & ~(HID0_DOZE | HID0_NAP | HID0_DPM)) | HID0_SLEEP); 2e1ee1f76684c5 Domen Puncer 2007-05-07 153 2e1ee1f76684c5 Domen Puncer 2007-05-07 154 /* save original, copy our irq handler, flush from dcache and invalidate icache */ 2e1ee1f76684c5 Domen Puncer 2007-05-07 @155 memcpy(saved_0x500, irq_0x500, mpc52xx_ds_cached_size); 2e1ee1f76684c5 Domen Puncer 2007-05-07 @156 memcpy(irq_0x500, mpc52xx_ds_cached, mpc52xx_ds_cached_size); 2e1ee1f76684c5 Domen Puncer 2007-05-07 157 flush_icache_range((unsigned long)irq_0x500, irq_0x500_stop); 2e1ee1f76684c5 Domen Puncer 2007-05-07 158 2e1ee1f76684c5 Domen Puncer 2007-05-07 159 /* call low-level sleep code */ 2e1ee1f76684c5 Domen Puncer 2007-05-07 160 mpc52xx_deep_sleep(sram, sdram, cdm, intr); 2e1ee1f76684c5 Domen Puncer 2007-05-07 161 2e1ee1f76684c5 Domen Puncer 2007-05-07 162 /* restore original irq handler */ 2e1ee1f76684c5 Domen Puncer 2007-05-07 163 memcpy(irq_0x500, saved_0x500, mpc52xx_ds_cached_size); 2e1ee1f76684c5 Domen Puncer 2007-05-07 164 flush_icache_range((unsigned long)irq_0x500, irq_0x500_stop); 2e1ee1f76684c5 Domen Puncer 2007-05-07 165 2e1ee1f76684c5 Domen Puncer 2007-05-07 166 /* restore old power mode */ 2e1ee1f76684c5 Domen Puncer 2007-05-07 167 mtmsr(msr & ~MSR_POW); 2e1ee1f76684c5 Domen Puncer 2007-05-07 168 mtspr(SPRN_HID0, hid0); 2e1ee1f76684c5 Domen Puncer 2007-05-07 169 mtmsr(msr); 2e1ee1f76684c5 Domen Puncer 2007-05-07 170 2e1ee1f76684c5 Domen Puncer 2007-05-07 171 out_be32(&cdm->clk_enables, clk_enables); 2e1ee1f76684c5 Domen Puncer 2007-05-07 172 out_8(&cdm->ccs_sleep_enable, 0); 2e1ee1f76684c5 Domen Puncer 2007-05-07 173 out_8(&cdm->osc_sleep_enable, 0); 2e1ee1f76684c5 Domen Puncer 2007-05-07 174 2e1ee1f76684c5 Domen Puncer 2007-05-07 175 /* restore SRAM */ 2e1ee1f76684c5 Domen Puncer 2007-05-07 176 memcpy(sram, saved_sram, sram_size); 2e1ee1f76684c5 Domen Puncer 2007-05-07 177 2e1ee1f76684c5 Domen Puncer 2007-05-07 178 /* reenable interrupts in PIC */ 2e1ee1f76684c5 Domen Puncer 2007-05-07 179 out_be32(&intr->main_mask, intr_main_mask); 2e1ee1f76684c5 Domen Puncer 2007-05-07 180 2e1ee1f76684c5 Domen Puncer 2007-05-07 181 return 0; 2e1ee1f76684c5 Domen Puncer 2007-05-07 182 } 2e1ee1f76684c5 Domen Puncer 2007-05-07 183 :::::: The code at line 133 was first introduced by commit :::::: 2e1ee1f76684c5d4dd8e5a08cbf22d57f88769ed [POWERPC] mpc52xx suspend to deep-sleep :::::: TO: Domen Puncer <domen.puncer@xxxxxxxxxxx> :::::: CC: Paul Mackerras <paulus@xxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
