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charset="utf-8" Hello, by this change, the config has below difference with parent after building. --- /pkg/linux/x86_64-randconfig-003-20241025/clang-19/af0121c2d303111d363c= 62e40413ffb39d5dc0f1/.config 2024-10-26 03:31:02.494416152 +0800 +++ /pkg/linux/x86_64-randconfig-003-20241025/clang-19/8b8ca9c25fe69c2162e3= 235c7d6c341127abeed6/.config 2024-10-25 23:52:03.899366299 +0800 @@ -661,6 +661,8 @@ CONFIG_LTO_NONE=3Dy CONFIG_ARCH_SUPPORTS_CFI_CLANG=3Dy CONFIG_ARCH_USES_CFI_TRAPS=3Dy CONFIG_CFI_CLANG=3Dy +CONFIG_CFI_ICALL_NORMALIZE_INTEGERS=3Dy +CONFIG_HAVE_CFI_ICALL_NORMALIZE_INTEGERS_CLANG=3Dy # CONFIG_CFI_PERMISSIVE is not set CONFIG_HAVE_ARCH_WITHIN_STACK_FRAMES=3Dy CONFIG_HAVE_CONTEXT_TRACKING_USER=3Dy then we noticed the boot jobs which can pass on parent, failed now. =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D tbox_group/testcase/rootfs/kconfig/compiler/sleep: vm-snb/boot/yocto-x86_64-minimal-20190520.cgz/x86_64-randconfig-003-20241= 025/clang-19/1 af0121c2d303111d 8b8ca9c25fe69c2162e3235c7d6 ---------------- --------------------------- fail:runs %reproduction fail:runs | | | :6 100% 6:6 dmesg.CFI_failure_at_do_basic= _setup :6 100% 6:6 dmesg.Kernel_panic-not_syncin= g:Fatal_exception :6 100% 6:6 dmesg.Oops:invalid_opcode:#[#= #]PREEMPT_KASAN :6 100% 6:6 dmesg.RIP:do_basic_setup :6 100% 6:6 dmesg.boot_failures below report just FYI what we observed in our tests. thanks kernel test robot noticed "CFI_failure_at_do_basic_setup" on: commit: 8b8ca9c25fe69c2162e3235c7d6c341127abeed6 ("cfi: fix conditions for = HAVE_CFI_ICALL_NORMALIZE_INTEGERS") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [test failed on linus/master c71f8fb4dc911022748a378b16aad1cc9b43aad8] [test failed on linux-next/master a39230ecf6b3057f5897bc4744a790070cfbe7a8] in testcase: boot config: x86_64-randconfig-003-20241025 compiler: clang-19 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G (please refer to attached dmesg/kmsg for entire log/backtrace) If you fix the issue in a separate patch/commit (i.e. not just a new versio= n of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202410281414.c351044e-oliver.sang@= intel.com The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20241028/202410281414.c351044e-oliv= er.sang@intel.com [ 7.616732][ T1] CFI failure at do_basic_setup+0x5b/0x90 (target: asa= n.module_ctor+0x0/0x20; expected type: 0xe5c47d60) [ 7.617229][ T1] Oops: invalid opcode: 0000 [#1] PREEMPT KASAN [ 7.617952][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper Not tainted 6.12.= 0-rc2-00005-g8b8ca9c25fe6 #1 c804d49ce32901c4caca8ebfe1766898b63e48de [ 7.619334][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996= ), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 7.620488][ T1] RIP: 0010:do_basic_setup+0x5b/0x90 [ 7.620842][ T1] Code: 00 fc ff df 48 89 d8 48 c1 e8 03 42 80 3c 38 0= 0 74 08 48 89 df e8 6d 85 50 fb 4d 8b 5e f8 41 ba a0 82 3b 1a 45 03 53 fc 7= 4 02 <0f> 0b 41 ff d3 49 81 fe 68 10 7e be 73 0f e8 8a eb 12 fb 48 83 c3 [ 7.620842][ T1] RSP: 0000:ffffc9000001fed0 EFLAGS: 00010286 [ 7.620842][ T1] RAX: 1ffffffff7cfb6de RBX: ffffffffbe7db6f0 RCX: 000= 0000000000000 [ 7.620842][ T1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000= 0000000000000 [ 7.620842][ T1] RBP: 0000000000000000 R08: 0000000000000000 R09: 000= 0000000000000 [ 7.620842][ T1] R10: 00000000bf7be9ac R11: ffffffffbbdc9360 R12: fff= fffffbd039fc0 [ 7.620842][ T1] R13: 0000000000000000 R14: ffffffffbe7db6f8 R15: dff= ffc0000000000 [ 7.620842][ T1] FS: 0000000000000000(0000) GS:ffffffffbd0dc000(0000= ) knlGS:0000000000000000 [ 7.620842][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.620842][ T1] CR2: ffff88843ffff000 CR3: 000000042529e000 CR4: 000= 00000000406f0 [ 7.620842][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000= 0000000000000 [ 7.620842][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 000= 0000000000400 [ 7.620842][ T1] Call Trace: [ 7.620842][ T1] [ 7.620842][ T1] ? __die_body+0x16/0x68 [ 7.620842][ T1] ? die+0x34/0x58 [ 7.620842][ T1] ? do_trap+0x111/0x1e8 [ 7.620842][ T1] ? do_basic_setup+0x5b/0x90 [ 7.620842][ T1] ? do_error_trap+0x11a/0x190 [ 7.620842][ T1] ? do_basic_setup+0x5b/0x90 [ 7.620842][ T1] ? handle_invalid_op+0x34/0x50 [ 7.620842][ T1] ? do_basic_setup+0x5b/0x90 [ 7.620842][ T1] ? exc_invalid_op+0x32/0x48 [ 7.620842][ T1] ? asm_exc_invalid_op+0x16/0x20 [ 7.620842][ T1] ? __cfi_asan.module_ctor+0x10/0x10 [ 7.620842][ T1] ? do_basic_setup+0x5b/0x90 [ 7.620842][ T1] kernel_init_freeable+0xf0/0x190 [ 7.620842][ T1] ? __cfi_kernel_init+0x8/0x8 [ 7.620842][ T1] kernel_init+0x19/0x198 [ 7.620842][ T1] ? __cfi_kernel_init+0x8/0x8 [ 7.620842][ T1] ret_from_fork+0x5a/0x88 [ 7.620842][ T1] ? __cfi_kernel_init+0x8/0x8 [ 7.620842][ T1] ret_from_fork_asm+0x11/0x20 [ 7.620842][ T1] [ 7.620842][ T1] Modules linked in: [ 7.620846][ T1] ---[ end trace 0000000000000000 ]--- [ 7.621487][ T1] RIP: 0010:do_basic_setup+0x5b/0x90 [ 7.622107][ T1] Code: 00 fc ff df 48 89 d8 48 c1 e8 03 42 80 3c 38 0= 0 74 08 48 89 df e8 6d 85 50 fb 4d 8b 5e f8 41 ba a0 82 3b 1a 45 03 53 fc 7= 4 02 <0f> 0b 41 ff d3 49 81 fe 68 10 7e be 73 0f e8 8a eb 12 fb 48 83 c3 [ 7.624206][ T1] RSP: 0000:ffffc9000001fed0 EFLAGS: 00010286 [ 7.624847][ T1] RAX: 1ffffffff7cfb6de RBX: ffffffffbe7db6f0 RCX: 000= 0000000000000 [ 7.625768][ T1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000= 0000000000000 [ 7.626696][ T1] RBP: 0000000000000000 R08: 0000000000000000 R09: 000= 0000000000000 [ 7.627602][ T1] R10: 00000000bf7be9ac R11: ffffffffbbdc9360 R12: fff= fffffbd039fc0 [ 7.628513][ T1] R13: 0000000000000000 R14: ffffffffbe7db6f8 R15: dff= ffc0000000000 [ 7.629316][ T1] FS: 0000000000000000(0000) GS:ffffffffbd0dc000(0000= ) knlGS:0000000000000000 [ 7.630979][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.632216][ T1] CR2: ffff88843ffff000 CR3: 000000042529e000 CR4: 000= 00000000406f0 [ 7.633336][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000= 0000000000000 [ 7.634842][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 000= 0000000000400 [ 7.636376][ T1] Kernel panic - not syncing: Fatal exception --=20 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki