Import from AlmaLinux stable repository
This commit is contained in:
parent
1713440a8b
commit
21f246d711
@ -1 +0,0 @@
|
|||||||
b9636e856f96e77b2047e12c3d87991ec88b067c SOURCES/crash-trace-command-3.0.tar.gz
|
|
@ -0,0 +1,125 @@
|
|||||||
|
From c5913a960dfa07d64397e6b591e6f0d40ea0b503 Mon Sep 17 00:00:00 2001
|
||||||
|
From: HATAYAMA Daisuke <d.hatayama@fujitsu.com>
|
||||||
|
Date: Tue, 26 Sep 2023 02:55:49 -0400
|
||||||
|
Subject: [PATCH] trace: Support module memory layout change on Linux 6.4
|
||||||
|
|
||||||
|
Linux kernel introduced new module memory layout on Linux 6.4 at the
|
||||||
|
commit ac3b432 (module: replace module_layout with module_memory) and
|
||||||
|
crash utility supported it at the commit 7750e61 (Support module
|
||||||
|
memory layout change on Linux 6.4).
|
||||||
|
|
||||||
|
In the change, crash utility changed definition and usage of data
|
||||||
|
structure for kernel modules. However, crash trace also refers to the
|
||||||
|
data structures. As a result, with the crash utility with the change,
|
||||||
|
crash trace command results in segmentation fault:
|
||||||
|
|
||||||
|
crash> extend trace.so
|
||||||
|
/usr/lib64/crash/extensions/trace.so: shared object loaded
|
||||||
|
crash> trace show
|
||||||
|
Segmentation fault (core dumped)
|
||||||
|
|
||||||
|
To fix this issue, let's support the new definition and usage of
|
||||||
|
struct load_module in crash trace. This is at the same time intended
|
||||||
|
for crash trace to support the new module memory layout of the Linux
|
||||||
|
kernel.
|
||||||
|
|
||||||
|
On the other hand, there is still inevitable dependency left to size
|
||||||
|
of struct load_module, one of the data structures of crash utility, in
|
||||||
|
crash trace. struct symbol_table_data holds an array of objects of
|
||||||
|
struct load_module in member variable load_modules and we need to know
|
||||||
|
size of struct load_module in advance to refer to its elements.
|
||||||
|
|
||||||
|
struct symbol_table_data {
|
||||||
|
...snip...
|
||||||
|
int mods_installed;
|
||||||
|
struct load_module *current;
|
||||||
|
struct load_module *load_modules;
|
||||||
|
|
||||||
|
Due to this, once crash trace is built with the defs.h including
|
||||||
|
change of size of struct load_module, it can never be used with the
|
||||||
|
older crash utility that was built with a different size of struct
|
||||||
|
load_module.
|
||||||
|
|
||||||
|
Because there is no preferable way to tackle the dependency without
|
||||||
|
altering implementation of crash utility, we have no choice but accept
|
||||||
|
breaking backward-compatibility for the time being.
|
||||||
|
|
||||||
|
Signed-off-by: HATAYAMA Daisuke <d.hatayama@fujitsu.com>
|
||||||
|
---
|
||||||
|
trace.c | 49 +++++++++++++++++++++++++++++++++++++++++++++----
|
||||||
|
1 file changed, 45 insertions(+), 4 deletions(-)
|
||||||
|
|
||||||
|
diff --git a/trace.c b/trace.c
|
||||||
|
index c33907f98b00..9e51707da5f7 100644
|
||||||
|
--- a/trace.c
|
||||||
|
+++ b/trace.c
|
||||||
|
@@ -2219,14 +2219,11 @@ fail:
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
-static int save_proc_kallsyms(int fd)
|
||||||
|
+static void __save_proc_kallsyms_mod_legacy(void)
|
||||||
|
{
|
||||||
|
int i;
|
||||||
|
struct syment *sp;
|
||||||
|
|
||||||
|
- for (sp = st->symtable; sp < st->symend; sp++)
|
||||||
|
- tmp_fprintf("%lx %c %s\n", sp->value, sp->type, sp->name);
|
||||||
|
-
|
||||||
|
for (i = 0; i < st->mods_installed; i++) {
|
||||||
|
struct load_module *lm = &st->load_modules[i];
|
||||||
|
|
||||||
|
@@ -2239,6 +2236,50 @@ static int save_proc_kallsyms(int fd)
|
||||||
|
sp->name, lm->mod_name);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
+#ifdef MODULE_MEMORY
|
||||||
|
+static void __save_proc_kallsyms_mod_v6_4(void)
|
||||||
|
+{
|
||||||
|
+ int i, t;
|
||||||
|
+ struct syment *sp;
|
||||||
|
+
|
||||||
|
+ for (i = 0; i < st->mods_installed; i++) {
|
||||||
|
+ struct load_module *lm = &st->load_modules[i];
|
||||||
|
+
|
||||||
|
+ for_each_mod_mem_type(t) {
|
||||||
|
+ if (!lm->symtable[t])
|
||||||
|
+ continue;
|
||||||
|
+
|
||||||
|
+ for (sp = lm->symtable[t]; sp <= lm->symend[t]; sp++) {
|
||||||
|
+ if (!strncmp(sp->name, "_MODULE_", strlen("_MODULE_")))
|
||||||
|
+ continue;
|
||||||
|
+
|
||||||
|
+ /* Currently sp->type for modules is not trusted */
|
||||||
|
+ tmp_fprintf("%lx %c %s\t[%s]\n", sp->value, 'm',
|
||||||
|
+ sp->name, lm->mod_name);
|
||||||
|
+ }
|
||||||
|
+ }
|
||||||
|
+ }
|
||||||
|
+}
|
||||||
|
+#else
|
||||||
|
+#define MODULE_MEMORY() (0)
|
||||||
|
+static inline void __save_proc_kallsyms_mod_v6_4(void)
|
||||||
|
+{
|
||||||
|
+}
|
||||||
|
+#endif
|
||||||
|
+
|
||||||
|
+static int save_proc_kallsyms(int fd)
|
||||||
|
+{
|
||||||
|
+ struct syment *sp;
|
||||||
|
+
|
||||||
|
+ for (sp = st->symtable; sp < st->symend; sp++)
|
||||||
|
+ tmp_fprintf("%lx %c %s\n", sp->value, sp->type, sp->name);
|
||||||
|
+
|
||||||
|
+ if (MODULE_MEMORY())
|
||||||
|
+ __save_proc_kallsyms_mod_v6_4();
|
||||||
|
+ else
|
||||||
|
+ __save_proc_kallsyms_mod_legacy();
|
||||||
|
|
||||||
|
if (tmp_file_record_size4(fd))
|
||||||
|
return -1;
|
||||||
|
--
|
||||||
|
2.41.0
|
||||||
|
|
@ -6,7 +6,7 @@
|
|||||||
Summary: Trace extension module for the crash utility
|
Summary: Trace extension module for the crash utility
|
||||||
Name: crash-trace-command
|
Name: crash-trace-command
|
||||||
Version: 3.0
|
Version: 3.0
|
||||||
Release: 1%{?dist}
|
Release: 2%{?dist}
|
||||||
License: GPLv2
|
License: GPLv2
|
||||||
Group: Development/Debuggers
|
Group: Development/Debuggers
|
||||||
Source: https://github.com/fujitsu/crash-trace/archive/v%{version}/%{name}-%{version}.tar.gz
|
Source: https://github.com/fujitsu/crash-trace/archive/v%{version}/%{name}-%{version}.tar.gz
|
||||||
@ -17,20 +17,22 @@ ExclusiveOS: Linux
|
|||||||
ExclusiveArch: x86_64 %{ix86} ppc64 ia64 s390 s390x aarch64 ppc64le
|
ExclusiveArch: x86_64 %{ix86} ppc64 ia64 s390 s390x aarch64 ppc64le
|
||||||
Buildroot: %{_tmppath}/%{name}-root
|
Buildroot: %{_tmppath}/%{name}-root
|
||||||
BuildRequires: zlib-devel lzo-devel snappy-devel
|
BuildRequires: zlib-devel lzo-devel snappy-devel
|
||||||
BuildRequires: crash-devel >= 7.2.0-2
|
BuildRequires: crash-devel >= 8.0.3-1
|
||||||
Requires: trace-cmd
|
Requires: trace-cmd
|
||||||
Requires: crash >= 7.2.0-2
|
Requires: crash >= 8.0.3-1
|
||||||
|
|
||||||
Patch0: 0001-Makefile-set-DT_SONAME-to-trace.so.patch
|
Patch0: 0001-Makefile-set-DT_SONAME-to-trace.so.patch
|
||||||
Patch1: 0002-Makefile-fix-build-failure-on-aarch64-and-ppc64le.patch
|
Patch1: 0002-Makefile-fix-build-failure-on-aarch64-and-ppc64le.patch
|
||||||
|
Patch2: 0003-trace-Support-module-memory-layout-change-on-Linux-6.patch
|
||||||
|
|
||||||
%description
|
%description
|
||||||
Command for reading ftrace data from a dumpfile.
|
Command for reading ftrace data from a dumpfile.
|
||||||
|
|
||||||
%prep
|
%prep
|
||||||
%setup -q -n %{reponame}-%{version}
|
%setup -q -n %{reponame}-%{version}
|
||||||
%patch0 -p1 -b 0001-Makefile-set-DT_SONAME-to-trace.so.patch
|
%patch -P 0 -p1 -b 0001-Makefile-set-DT_SONAME-to-trace.so.patch
|
||||||
%patch1 -p1 -b 0002-Makefile-fix-build-failure-on-aarch64-and-ppc64le.patch
|
%patch -P 1 -p1 -b 0002-Makefile-fix-build-failure-on-aarch64-and-ppc64le.patch
|
||||||
|
%patch -P 2 -p1 -b 0003-trace-Support-module-memory-layout-change-on-Linux-6.patch
|
||||||
|
|
||||||
%build
|
%build
|
||||||
make
|
make
|
||||||
@ -48,6 +50,9 @@ rm -rf %{buildroot}
|
|||||||
%doc COPYING
|
%doc COPYING
|
||||||
|
|
||||||
%changelog
|
%changelog
|
||||||
|
* Tue Nov 21 2023 Lianbo Jiang <lijiang@redhat.com> - 3.0-2
|
||||||
|
- Support module memory layout change on Linux 6.4
|
||||||
|
|
||||||
* Fri Nov 18 2022 Lianbo Jiang <lijiang@redhat.com> - 3.0-1
|
* Fri Nov 18 2022 Lianbo Jiang <lijiang@redhat.com> - 3.0-1
|
||||||
- Rebase to upstream v3.0
|
- Rebase to upstream v3.0
|
||||||
- Update to the latest upstream commit
|
- Update to the latest upstream commit
|
||||||
|
Loading…
Reference in New Issue
Block a user