Messages in this thread | | | Date | Thu, 30 Dec 2021 11:29:52 +0800 | From | kernel test robot <> | Subject | [linux-stable-rc:queue/5.10 4931/9999] include/linux/compiler_types.h:315:38: error: call to '__compiletime_assert_227' declared with attribute error: BUILD_BUG_ON failed: sizeof(_i) > sizeof(long) |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git queue/5.10 head: eb967e323f7fb073c51401070f7d2cb381a003f7 commit: 7af299b97734c7e7f465b42a2139ce4d77246975 [4931/9999] kvm: avoid speculation-based attacks from out-of-range memslot accesses config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20211230/202112301112.IeXjohsS-lkp@intel.com/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=7af299b97734c7e7f465b42a2139ce4d77246975 git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git git fetch --no-tags linux-stable-rc queue/5.10 git checkout 7af299b97734c7e7f465b42a2139ce4d77246975 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
Note: the linux-stable-rc/queue/5.10 HEAD eb967e323f7fb073c51401070f7d2cb381a003f7 builds fine. It only hurts bisectability.
All errors (new ones prefixed by >>):
In file included from <command-line>: In function '__gfn_to_hva_memslot', inlined from 'host_pfn_mapping_level' at arch/x86/kvm/mmu/mmu.c:2767:8, inlined from 'kvm_mmu_hugepage_adjust' at arch/x86/kvm/mmu/mmu.c:2808:10: >> include/linux/compiler_types.h:315:38: error: call to '__compiletime_assert_227' declared with attribute error: BUILD_BUG_ON failed: sizeof(_i) > sizeof(long) 315 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:296:4: note: in definition of macro '__compiletime_assert' 296 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:315:2: note: in expansion of macro '_compiletime_assert' 315 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ include/linux/nospec.h:57:2: note: in expansion of macro 'BUILD_BUG_ON' 57 | BUILD_BUG_ON(sizeof(_i) > sizeof(long)); \ | ^~~~~~~~~~~~ include/linux/kvm_host.h:1113:25: note: in expansion of macro 'array_index_nospec' 1113 | unsigned long offset = array_index_nospec(gfn - slot->base_gfn, | ^~~~~~~~~~~~~~~~~~
vim +/__compiletime_assert_227 +315 include/linux/compiler_types.h
eb5c2d4b45e3d2 Will Deacon 2020-07-21 301 eb5c2d4b45e3d2 Will Deacon 2020-07-21 302 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 303 __compiletime_assert(condition, msg, prefix, suffix) eb5c2d4b45e3d2 Will Deacon 2020-07-21 304 eb5c2d4b45e3d2 Will Deacon 2020-07-21 305 /** eb5c2d4b45e3d2 Will Deacon 2020-07-21 306 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 307 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2 Will Deacon 2020-07-21 308 * @msg: a message to emit if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 309 * eb5c2d4b45e3d2 Will Deacon 2020-07-21 310 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 311 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 312 * compiler has support to do so. eb5c2d4b45e3d2 Will Deacon 2020-07-21 313 */ eb5c2d4b45e3d2 Will Deacon 2020-07-21 314 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 @315 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) eb5c2d4b45e3d2 Will Deacon 2020-07-21 316
:::::: The code at line 315 was first introduced by commit :::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h
:::::: TO: Will Deacon <will@kernel.org> :::::: CC: Will Deacon <will@kernel.org>
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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