tree: https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git testing/uapi/nfsd/nfsfh head: d28670226e028e65b0de5e6744c5df188fc2728b commit: 5c976c3f03be89378ca672c1a3c7ce7048d90606 [1/2] Makefile: Enable -Warray-bounds config: riscv-randconfig-r004-20210209 (attached as .config) compiler: riscv64-linux-gcc (GCC) 9.3.0 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/commit/?id=5c976c3f03be89378ca672c1a3c7ce7048d90606 git remote add gustavoars-linux https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git git fetch --no-tags gustavoars-linux testing/uapi/nfsd/nfsfh git checkout 5c976c3f03be89378ca672c1a3c7ce7048d90606 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
All warnings (new ones prefixed by >>):
drivers/media/pci/ngene/ngene-core.c: In function
'ngene_command_config_free_buf':
>> drivers/media/pci/ngene/ngene-core.c:388:2: warning: 'memcpy' offset [12,
>> 16] from the object at 'com' is out of the bounds of referenced subobject
>> 'config' with type 'unsigned char' at offset 10 [-Warray-bounds]
388 | memcpy(&com.cmd.ConfigureBuffers.config, config, 6);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +388 drivers/media/pci/ngene/ngene-core.c
dae52d009fc950 drivers/media/dvb/ngene/ngene-core.c Matthias Benesch 2009-12-18
381
dae52d009fc950 drivers/media/dvb/ngene/ngene-core.c Matthias Benesch 2009-12-18
382 static int ngene_command_config_free_buf(struct ngene *dev, u8 *config)
dae52d009fc950 drivers/media/dvb/ngene/ngene-core.c Matthias Benesch 2009-12-18
383 {
dae52d009fc950 drivers/media/dvb/ngene/ngene-core.c Matthias Benesch 2009-12-18
384 struct ngene_command com;
dae52d009fc950 drivers/media/dvb/ngene/ngene-core.c Matthias Benesch 2009-12-18
385
dae52d009fc950 drivers/media/dvb/ngene/ngene-core.c Matthias Benesch 2009-12-18
386 com.cmd.hdr.Opcode = CMD_CONFIGURE_FREE_BUFFER;
dae52d009fc950 drivers/media/dvb/ngene/ngene-core.c Matthias Benesch 2009-12-18
387 com.cmd.hdr.Length = 6;
dae52d009fc950 drivers/media/dvb/ngene/ngene-core.c Matthias Benesch 2009-12-18
@388 memcpy(&com.cmd.ConfigureBuffers.config, config, 6);
dae52d009fc950 drivers/media/dvb/ngene/ngene-core.c Matthias Benesch 2009-12-18
389 com.in_len = 6;
dae52d009fc950 drivers/media/dvb/ngene/ngene-core.c Matthias Benesch 2009-12-18
390 com.out_len = 0;
dae52d009fc950 drivers/media/dvb/ngene/ngene-core.c Matthias Benesch 2009-12-18
391
dae52d009fc950 drivers/media/dvb/ngene/ngene-core.c Matthias Benesch 2009-12-18
392 if (ngene_command(dev, &com) < 0)
dae52d009fc950 drivers/media/dvb/ngene/ngene-core.c Matthias Benesch 2009-12-18
393 return -EIO;
dae52d009fc950 drivers/media/dvb/ngene/ngene-core.c Matthias Benesch 2009-12-18
394
dae52d009fc950 drivers/media/dvb/ngene/ngene-core.c Matthias Benesch 2009-12-18
395 return 0;
dae52d009fc950 drivers/media/dvb/ngene/ngene-core.c Matthias Benesch 2009-12-18
396 }
dae52d009fc950 drivers/media/dvb/ngene/ngene-core.c Matthias Benesch 2009-12-18
397
:::::: The code at line 388 was first introduced by commit
:::::: dae52d009fc950b5c209260d50fcc000f5becd3c V4L/DVB: ngene: Initial check-in
:::::: TO: Matthias Benesch <two...@freenet.de>
:::::: CC: Mauro Carvalho Chehab <mche...@redhat.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
