From: kernel test robot <lkp@intel.com>
To: John Harrison <John.C.Harrison@intel.com>
Cc: intel-gfx@lists.freedesktop.org,
Jeffrey Hugo <quic_jhugo@quicinc.com>,
dri-devel@lists.freedesktop.org, oe-kbuild-all@lists.linux.dev
Subject: [Intel-gfx] [drm-tip:drm-tip 4/6] arch/x86/include/asm/string_32.h:195:29: warning: '__builtin_memset' writing 16 bytes into a region of size 0 overflows the destination
Date: Sun, 24 Sep 2023 08:05:04 +0800 [thread overview]
Message-ID: <202309240849.DfoxxSha-lkp@intel.com> (raw)
tree: git://anongit.freedesktop.org/drm/drm-tip drm-tip
head: e1973de2c4516e9130157e538014e79c8aa57b41
commit: a59bb8e436a090adb48ed2723fd6864cd82bf8c8 [4/6] Merge remote-tracking branch 'drm-intel/drm-intel-gt-next' into drm-tip
config: i386-buildonly-randconfig-005-20230924 (https://download.01.org/0day-ci/archive/20230924/202309240849.DfoxxSha-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230924/202309240849.DfoxxSha-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309240849.DfoxxSha-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from arch/x86/include/asm/string.h:3,
from include/linux/string.h:20,
from arch/x86/include/asm/page_32.h:18,
from arch/x86/include/asm/page.h:14,
from arch/x86/include/asm/thread_info.h:12,
from include/linux/thread_info.h:60,
from arch/x86/include/asm/preempt.h:9,
from include/linux/preempt.h:79,
from include/linux/rcupdate.h:27,
from include/linux/rculist.h:11,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/ratelimit.h:6,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from include/linux/pm_runtime.h:11,
from drivers/gpu/drm/i915/gt/intel_rc6.c:6:
In function 'rc6_res_reg_init',
inlined from 'intel_rc6_init' at drivers/gpu/drm/i915/gt/intel_rc6.c:610:2:
>> arch/x86/include/asm/string_32.h:195:29: warning: '__builtin_memset' writing 16 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
195 | #define memset(s, c, count) __builtin_memset(s, c, count)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/gt/intel_rc6.c:584:9: note: in expansion of macro 'memset'
584 | memset(rc6->res_reg, INVALID_MMIO_REG.reg, sizeof(rc6->res_reg));
| ^~~~~~
vim +/__builtin_memset +195 arch/x86/include/asm/string_32.h
^1da177e4c3f41 include/asm-i386/string.h Linus Torvalds 2005-04-16 186
^1da177e4c3f41 include/asm-i386/string.h Linus Torvalds 2005-04-16 187 #define __memset(s, c, count) \
78d64fc21d2aa4 include/asm-x86/string_32.h Joe Perches 2008-05-12 188 (__builtin_constant_p(count) \
78d64fc21d2aa4 include/asm-x86/string_32.h Joe Perches 2008-05-12 189 ? __constant_count_memset((s), (c), (count)) \
78d64fc21d2aa4 include/asm-x86/string_32.h Joe Perches 2008-05-12 190 : __memset_generic((s), (c), (count)))
^1da177e4c3f41 include/asm-i386/string.h Linus Torvalds 2005-04-16 191
^1da177e4c3f41 include/asm-i386/string.h Linus Torvalds 2005-04-16 192 #define __HAVE_ARCH_MEMSET
6974f0c4555e28 arch/x86/include/asm/string_32.h Daniel Micay 2017-07-12 193 extern void *memset(void *, int, size_t);
6974f0c4555e28 arch/x86/include/asm/string_32.h Daniel Micay 2017-07-12 194 #ifndef CONFIG_FORTIFY_SOURCE
ff60fab71bb3b4 arch/x86/include/asm/string_32.h Arjan van de Ven 2009-09-28 @195 #define memset(s, c, count) __builtin_memset(s, c, count)
6974f0c4555e28 arch/x86/include/asm/string_32.h Daniel Micay 2017-07-12 196 #endif /* !CONFIG_FORTIFY_SOURCE */
^1da177e4c3f41 include/asm-i386/string.h Linus Torvalds 2005-04-16 197
:::::: The code at line 195 was first introduced by commit
:::::: ff60fab71bb3b4fdbf8caf57ff3739ffd0887396 x86: Use __builtin_memset and __builtin_memcpy for memset/memcpy
:::::: TO: Arjan van de Ven <arjan@infradead.org>
:::::: CC: H. Peter Anvin <hpa@zytor.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: John Harrison <John.C.Harrison@intel.com>
Cc: oe-kbuild-all@lists.linux.dev, intel-gfx@lists.freedesktop.org,
dri-devel@lists.freedesktop.org,
Jeffrey Hugo <quic_jhugo@quicinc.com>
Subject: [drm-tip:drm-tip 4/6] arch/x86/include/asm/string_32.h:195:29: warning: '__builtin_memset' writing 16 bytes into a region of size 0 overflows the destination
Date: Sun, 24 Sep 2023 08:05:04 +0800 [thread overview]
Message-ID: <202309240849.DfoxxSha-lkp@intel.com> (raw)
tree: git://anongit.freedesktop.org/drm/drm-tip drm-tip
head: e1973de2c4516e9130157e538014e79c8aa57b41
commit: a59bb8e436a090adb48ed2723fd6864cd82bf8c8 [4/6] Merge remote-tracking branch 'drm-intel/drm-intel-gt-next' into drm-tip
config: i386-buildonly-randconfig-005-20230924 (https://download.01.org/0day-ci/archive/20230924/202309240849.DfoxxSha-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230924/202309240849.DfoxxSha-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309240849.DfoxxSha-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from arch/x86/include/asm/string.h:3,
from include/linux/string.h:20,
from arch/x86/include/asm/page_32.h:18,
from arch/x86/include/asm/page.h:14,
from arch/x86/include/asm/thread_info.h:12,
from include/linux/thread_info.h:60,
from arch/x86/include/asm/preempt.h:9,
from include/linux/preempt.h:79,
from include/linux/rcupdate.h:27,
from include/linux/rculist.h:11,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/ratelimit.h:6,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from include/linux/pm_runtime.h:11,
from drivers/gpu/drm/i915/gt/intel_rc6.c:6:
In function 'rc6_res_reg_init',
inlined from 'intel_rc6_init' at drivers/gpu/drm/i915/gt/intel_rc6.c:610:2:
>> arch/x86/include/asm/string_32.h:195:29: warning: '__builtin_memset' writing 16 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
195 | #define memset(s, c, count) __builtin_memset(s, c, count)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/gt/intel_rc6.c:584:9: note: in expansion of macro 'memset'
584 | memset(rc6->res_reg, INVALID_MMIO_REG.reg, sizeof(rc6->res_reg));
| ^~~~~~
vim +/__builtin_memset +195 arch/x86/include/asm/string_32.h
^1da177e4c3f41 include/asm-i386/string.h Linus Torvalds 2005-04-16 186
^1da177e4c3f41 include/asm-i386/string.h Linus Torvalds 2005-04-16 187 #define __memset(s, c, count) \
78d64fc21d2aa4 include/asm-x86/string_32.h Joe Perches 2008-05-12 188 (__builtin_constant_p(count) \
78d64fc21d2aa4 include/asm-x86/string_32.h Joe Perches 2008-05-12 189 ? __constant_count_memset((s), (c), (count)) \
78d64fc21d2aa4 include/asm-x86/string_32.h Joe Perches 2008-05-12 190 : __memset_generic((s), (c), (count)))
^1da177e4c3f41 include/asm-i386/string.h Linus Torvalds 2005-04-16 191
^1da177e4c3f41 include/asm-i386/string.h Linus Torvalds 2005-04-16 192 #define __HAVE_ARCH_MEMSET
6974f0c4555e28 arch/x86/include/asm/string_32.h Daniel Micay 2017-07-12 193 extern void *memset(void *, int, size_t);
6974f0c4555e28 arch/x86/include/asm/string_32.h Daniel Micay 2017-07-12 194 #ifndef CONFIG_FORTIFY_SOURCE
ff60fab71bb3b4 arch/x86/include/asm/string_32.h Arjan van de Ven 2009-09-28 @195 #define memset(s, c, count) __builtin_memset(s, c, count)
6974f0c4555e28 arch/x86/include/asm/string_32.h Daniel Micay 2017-07-12 196 #endif /* !CONFIG_FORTIFY_SOURCE */
^1da177e4c3f41 include/asm-i386/string.h Linus Torvalds 2005-04-16 197
:::::: The code at line 195 was first introduced by commit
:::::: ff60fab71bb3b4fdbf8caf57ff3739ffd0887396 x86: Use __builtin_memset and __builtin_memcpy for memset/memcpy
:::::: TO: Arjan van de Ven <arjan@infradead.org>
:::::: CC: H. Peter Anvin <hpa@zytor.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: John Harrison <John.C.Harrison@intel.com>
Cc: intel-gfx@lists.freedesktop.org,
Jeffrey Hugo <quic_jhugo@quicinc.com>,
dri-devel@lists.freedesktop.org, oe-kbuild-all@lists.linux.dev
Subject: [drm-tip:drm-tip 4/6] arch/x86/include/asm/string_32.h:195:29: warning: '__builtin_memset' writing 16 bytes into a region of size 0 overflows the destination
Date: Sun, 24 Sep 2023 08:05:04 +0800 [thread overview]
Message-ID: <202309240849.DfoxxSha-lkp@intel.com> (raw)
tree: git://anongit.freedesktop.org/drm/drm-tip drm-tip
head: e1973de2c4516e9130157e538014e79c8aa57b41
commit: a59bb8e436a090adb48ed2723fd6864cd82bf8c8 [4/6] Merge remote-tracking branch 'drm-intel/drm-intel-gt-next' into drm-tip
config: i386-buildonly-randconfig-005-20230924 (https://download.01.org/0day-ci/archive/20230924/202309240849.DfoxxSha-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230924/202309240849.DfoxxSha-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309240849.DfoxxSha-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from arch/x86/include/asm/string.h:3,
from include/linux/string.h:20,
from arch/x86/include/asm/page_32.h:18,
from arch/x86/include/asm/page.h:14,
from arch/x86/include/asm/thread_info.h:12,
from include/linux/thread_info.h:60,
from arch/x86/include/asm/preempt.h:9,
from include/linux/preempt.h:79,
from include/linux/rcupdate.h:27,
from include/linux/rculist.h:11,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/ratelimit.h:6,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from include/linux/pm_runtime.h:11,
from drivers/gpu/drm/i915/gt/intel_rc6.c:6:
In function 'rc6_res_reg_init',
inlined from 'intel_rc6_init' at drivers/gpu/drm/i915/gt/intel_rc6.c:610:2:
>> arch/x86/include/asm/string_32.h:195:29: warning: '__builtin_memset' writing 16 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
195 | #define memset(s, c, count) __builtin_memset(s, c, count)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/gt/intel_rc6.c:584:9: note: in expansion of macro 'memset'
584 | memset(rc6->res_reg, INVALID_MMIO_REG.reg, sizeof(rc6->res_reg));
| ^~~~~~
vim +/__builtin_memset +195 arch/x86/include/asm/string_32.h
^1da177e4c3f41 include/asm-i386/string.h Linus Torvalds 2005-04-16 186
^1da177e4c3f41 include/asm-i386/string.h Linus Torvalds 2005-04-16 187 #define __memset(s, c, count) \
78d64fc21d2aa4 include/asm-x86/string_32.h Joe Perches 2008-05-12 188 (__builtin_constant_p(count) \
78d64fc21d2aa4 include/asm-x86/string_32.h Joe Perches 2008-05-12 189 ? __constant_count_memset((s), (c), (count)) \
78d64fc21d2aa4 include/asm-x86/string_32.h Joe Perches 2008-05-12 190 : __memset_generic((s), (c), (count)))
^1da177e4c3f41 include/asm-i386/string.h Linus Torvalds 2005-04-16 191
^1da177e4c3f41 include/asm-i386/string.h Linus Torvalds 2005-04-16 192 #define __HAVE_ARCH_MEMSET
6974f0c4555e28 arch/x86/include/asm/string_32.h Daniel Micay 2017-07-12 193 extern void *memset(void *, int, size_t);
6974f0c4555e28 arch/x86/include/asm/string_32.h Daniel Micay 2017-07-12 194 #ifndef CONFIG_FORTIFY_SOURCE
ff60fab71bb3b4 arch/x86/include/asm/string_32.h Arjan van de Ven 2009-09-28 @195 #define memset(s, c, count) __builtin_memset(s, c, count)
6974f0c4555e28 arch/x86/include/asm/string_32.h Daniel Micay 2017-07-12 196 #endif /* !CONFIG_FORTIFY_SOURCE */
^1da177e4c3f41 include/asm-i386/string.h Linus Torvalds 2005-04-16 197
:::::: The code at line 195 was first introduced by commit
:::::: ff60fab71bb3b4fdbf8caf57ff3739ffd0887396 x86: Use __builtin_memset and __builtin_memcpy for memset/memcpy
:::::: TO: Arjan van de Ven <arjan@infradead.org>
:::::: CC: H. Peter Anvin <hpa@zytor.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2023-09-24 0:05 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-24 0:05 kernel test robot [this message]
2023-09-24 0:05 ` [drm-tip:drm-tip 4/6] arch/x86/include/asm/string_32.h:195:29: warning: '__builtin_memset' writing 16 bytes into a region of size 0 overflows the destination kernel test robot
2023-09-24 0:05 ` kernel test robot
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