[gentoo-commits] proj/linux-patches:6.13 commit in: /

["Mike Pagano" <mpagano@gentoo.org>]

commit:     b8288cc8724600c44ed8e281e969623aef421989
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Wed Feb  5 17:09:43 2025 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Wed Feb  5 17:09:43 2025 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=b8288cc8

x86/insn_decoder_test: allow longer symbol-names

Bug: https://bugs.gentoo.org/949240
Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>

 0000_README                                        |  4 ++
 ...sn-decoder-test-allow-longer-symbol-names.patch | 49 ++++++++++++++++++++++
 2 files changed, 53 insertions(+)

diff --git a/0000_README b/0000_README
index 7b1940a4..59bf41fa 100644
--- a/0000_README
+++ b/0000_README
@@ -59,6 +59,10 @@ Patch:  1730_parisc-Disable-prctl.patch
 From:   https://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git
 Desc:   prctl: Temporarily disable prctl(PR_SET_MDWE) on parisc
 
+Patch:  1740_x86-insn-decoder-test-allow-longer-symbol-names.patch
+From:   https://gitlab.com/cki-project/kernel-ark/-/commit/8d4a52c3921d278f27241fc0c6949d8fdc13a7f5
+Desc:   x86/insn_decoder_test: allow longer symbol-names
+
 Patch:  2000_BT-Check-key-sizes-only-if-Secure-Simple-Pairing-enabled.patch
 From:   https://lore.kernel.org/linux-bluetooth/20190522070540.48895-1-marcel@holtmann.org/raw
 Desc:   Bluetooth: Check key sizes only when Secure Simple Pairing is enabled. See bug #686758

diff --git a/1740_x86-insn-decoder-test-allow-longer-symbol-names.patch b/1740_x86-insn-decoder-test-allow-longer-symbol-names.patch
new file mode 100644
index 00000000..70c706ba
--- /dev/null
+++ b/1740_x86-insn-decoder-test-allow-longer-symbol-names.patch
@@ -0,0 +1,49 @@
+From 8d4a52c3921d278f27241fc0c6949d8fdc13a7f5 Mon Sep 17 00:00:00 2001
+From: David Rheinsberg <david@readahead.eu>
+Date: Tue, 24 Jan 2023 12:04:59 +0100
+Subject: [PATCH] x86/insn_decoder_test: allow longer symbol-names
+
+Increase the allowed line-length of the insn-decoder-test to 4k to allow
+for symbol-names longer than 256 characters.
+
+The insn-decoder-test takes objdump output as input, which may contain
+symbol-names as instruction arguments. With rust-code entering the
+kernel, those symbol-names will include mangled-symbols which might
+exceed the current line-length-limit of the tool.
+
+By bumping the line-length-limit of the tool to 4k, we get a reasonable
+buffer for all objdump outputs I have seen so far. Unfortunately, ELF
+symbol-names are not restricted in length, so technically this might
+still end up failing if we encounter longer names in the future.
+
+My compile-failure looks like this:
+
+    arch/x86/tools/insn_decoder_test: error: malformed line 1152000:
+    tBb_+0xf2>
+
+..which overflowed by 10 characters reading this line:
+
+    ffffffff81458193:   74 3d                   je     ffffffff814581d2 <_RNvXse_NtNtNtCshGpAVYOtgW1_4core4iter8adapters7flattenINtB5_13FlattenCompatINtNtB7_3map3MapNtNtNtBb_3str4iter5CharsNtB1v_17CharEscapeDefaultENtNtBb_4char13EscapeDefaultENtNtBb_3fmt5Debug3fmtBb_+0xf2>
+
+Signed-off-by: David Rheinsberg <david@readahead.eu>
+Signed-off-by: Scott Weaver <scweaver@redhat.com>
+---
+ arch/x86/tools/insn_decoder_test.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/arch/x86/tools/insn_decoder_test.c b/arch/x86/tools/insn_decoder_test.c
+index 472540aeabc23..366e07546344b 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 4096
+ 
+ int main(int argc, char **argv)
+ {
+-- 
+GitLab
+