tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/wip.ibt head: 20f0cd68b8d42470e0a0459aa5db23d7dae8f83d commit: 55d18ec3a2c0a2b4890ed79db60259d5623a59ca [23/24] x86/ibt: fixes config: i386-randconfig-m021 (https://download.01.org/0day-ci/archive/20220218/202202180629.eWa6TvBL-lk...) 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/peterz/queue.git/commit/?... git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git git fetch --no-tags peterz-queue x86/wip.ibt git checkout 55d18ec3a2c0a2b4890ed79db60259d5623a59ca # 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(a)intel.com&gt; All errors (new ones prefixed by >>): 757 | " .pushsection .init.text, \"ax\", @progbits\n" | ^ | ) ...... 760 | ANNOTATE_NOENDBR | ~~~~~~~~~~~~~~~~ arch/x86/kernel/alternative.c:756:5: note: to match this '(' 756 | asm ( | ^ -- arch/x86/lib/retpoline.S: Assembler messages: vim +757 arch/x86/kernel/alternative.c ecc606103837b9 Peter Zijlstra 2019-07-08 755 ecc606103837b9 Peter Zijlstra 2019-07-08 756 asm ( ecc606103837b9 Peter Zijlstra 2019-07-08 @757 " .pushsection .init.text, \"ax\", @progbits\n" ecc606103837b9 Peter Zijlstra 2019-07-08 758 " .type int3_magic, @function\n" ecc606103837b9 Peter Zijlstra 2019-07-08 759 "int3_magic:\n" 55d18ec3a2c0a2 Peter Zijlstra 2022-02-17 760 ANNOTATE_NOENDBR ecc606103837b9 Peter Zijlstra 2019-07-08 761 " movl $1, (%" _ASM_ARG1 ")\n" b17c2baa305ccc Peter Zijlstra 2021-12-04 762 ASM_RET ecc606103837b9 Peter Zijlstra 2019-07-08 763 " .size int3_magic, .-int3_magic\n" ecc606103837b9 Peter Zijlstra 2019-07-08 764 " .popsection\n" ecc606103837b9 Peter Zijlstra 2019-07-08 765 ); 7457c0da024b18 Peter Zijlstra 2019-05-03 766 :::::: The code at line 757 was first introduced by commit :::::: ecc606103837b98a2b665e8f14e533a6c72bbdc0 x86/alternatives: Fix int3_emulate_call() selftest stack corruption :::::: TO: Peter Zijlstra <peterz(a)infradead.org&gt; :::::: CC: Thomas Gleixner <tglx(a)linutronix.de&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org