When building Linux kernel v6.13, I got TEST posttest arch/x86/tools/insn_decoder_test: error: malformed line 3729972: 2_>:ffffffff81c91b00 make[2]: *** [arch/x86/tools/Makefile:26: posttest] Error 3 [hjl@gnu-zen4-1 linux-stable]$ cat 1.out <__pfx__RNCINvNtNtNtCsbv2001LzuKJ_4core4iter8adapters3map12map_try_foldjNtCs7hQOShE0J6s_12drm_panic_qr7VersionuINtNtNtBa_3ops12control_flow11ControlFlowB10_ENcB10_0NCINvNvNtNtNtB8_6traits8iterator8Iterator4find5checkB10_NCNvMB12_B10_13from_segments0E0E0B12_>:ffffffff81c91b00 ffffffff81c91b00: 90 nop ffffffff81c91b01: 90 nop ffffffff81c91b02: 90 nop ffffffff81c91b03: 90 nop ffffffff81c91b04: 90 nop ffffffff81c91b05: 90 nop ffffffff81c91b06: 90 nop ffffffff81c91b07: 90 nop ffffffff81c91b08: 90 nop ffffffff81c91b09: 90 nop ffffffff81c91b0a: 90 nop ffffffff81c91b0b: 90 nop ffffffff81c91b0c: 90 nop ffffffff81c91b0d: 90 nop ffffffff81c91b0e: 90 nop ffffffff81c91b0f: 90 nop [hjl@gnu-zen4-1 linux-stable]$ arch/x86/tools/insn_decoder_test -y -v < 1.out arch/x86/tools/insn_decoder_test: error: malformed line 1: 2_>:ffffffff81c91b00 This patch fixes it: diff --git a/arch/x86/tools/insn_decoder_test.c b/arch/x86/tools/insn_decoder_test.c index 472540aeabc2..18601b3c5037 100644 --- a/arch/x86/tools/insn_decoder_test.c +++ b/arch/x86/tools/insn_decoder_test.c @@ -106,7 +106,7 @@ static void parse_args(int argc, char **argv) } } -#define BUFSIZE 256 +#define BUFSIZE 1024 int main(int argc, char **argv) {
Created attachment 307539 [details] This is the patch from Red Hat
Does https://git.kernel.org/torvalds/c/c104c16073b7f help?
(In reply to Mario Limonciello (AMD) from comment #2) > Does https://git.kernel.org/torvalds/c/c104c16073b7f help? I got arch/x86/tools/insn_decoder_test.c:15:9: warning: "unlikely" redefined 15 | #define unlikely(cond) (cond) | ^~~~~~~~ In file included from ./tools/include/linux/build_bug.h:5, from ./tools/include/linux/kernel.h:8, from ./tools/include/linux/kallsyms.h:5, from arch/x86/tools/insn_decoder_test.c:13: ./tools/include/linux/compiler.h:128:10: note: this is the location of the previous definition 128 | # define unlikely(x) __builtin_expect(!!(x), 0) #define unlikely(cond) (cond) should be removed when <linux/kallsyms.h> was included.
Would you mind sending a proper patch after the merge window is done?
(In reply to Mario Limonciello (AMD) from comment #4) > Would you mind sending a proper patch after the merge window is done? Done: https://lkml.iu.edu/hypermail/linux/kernel/2504.0/01316.html