From f02866555da23e00ad3a76a8d540bd83804c439f Mon Sep 17 00:00:00 2001
From: Jakub Filak <jfilak@redhat.com>
Date: Wed, 19 Nov 2014 07:19:29 +0100
Subject: [ABRT PATCH 76/78] Revert "gdb: disable loading of auto-loaded files"
This reverts commit 5a2f83cd86ce824167fa7ea8e5357c014034ed46.
Turning auto-load off also turns the pretty printer off.
Unfortunately, we must trust to providers of the auto-loaded scripts and
we must be fixing root causes and not treating symptoms.
Related: #1128637
---
src/lib/hooklib.c | 40 +++++++++++++++++++---------------------
1 file changed, 19 insertions(+), 21 deletions(-)
diff --git a/src/lib/hooklib.c b/src/lib/hooklib.c
index 21ad9e0..4a50727 100644
--- a/src/lib/hooklib.c
+++ b/src/lib/hooklib.c
@@ -252,12 +252,10 @@ char *get_backtrace(const char *dump_dir_name, unsigned timeout_sec, const char
/* Let user know what's going on */
log(_("Generating backtrace"));
- char *args[23];
+ char *args[21];
args[0] = (char*)"gdb";
args[1] = (char*)"-batch";
args[2] = (char*)"-ex";
- args[3] = (char*)"set auto-load off";
- args[4] = (char*)"-ex";
struct strbuf *set_debug_file_directory = strbuf_new();
if(debuginfo_dirs == NULL)
{
@@ -280,7 +278,7 @@ char *get_backtrace(const char *dump_dir_name, unsigned timeout_sec, const char
p = colon_or_nul;
}
}
- args[5] = strbuf_free_nobuf(set_debug_file_directory);
+ args[3] = strbuf_free_nobuf(set_debug_file_directory);
/* "file BINARY_FILE" is needed, without it gdb cannot properly
* unwind the stack. Currently the unwind information is located
@@ -302,27 +300,27 @@ char *get_backtrace(const char *dump_dir_name, unsigned timeout_sec, const char
* TODO: check mtimes on COREFILE and BINARY_FILE and not supply
* BINARY_FILE if it is newer (to at least avoid gdb complaining).
*/
- args[6] = (char*)"-ex";
- args[7] = xasprintf("file %s", executable);
+ args[4] = (char*)"-ex";
+ args[5] = xasprintf("file %s", executable);
free(executable);
- args[8] = (char*)"-ex";
- args[9] = xasprintf("core-file %s/"FILENAME_COREDUMP, dump_dir_name);
+ args[6] = (char*)"-ex";
+ args[7] = xasprintf("core-file %s/"FILENAME_COREDUMP, dump_dir_name);
+ args[8] = (char*)"-ex";
+ /*args[9] = ... see below */
args[10] = (char*)"-ex";
- /*args[11] = ... see below */
- args[12] = (char*)"-ex";
- args[13] = (char*)"info sharedlib";
+ args[11] = (char*)"info sharedlib";
/* glibc's abort() stores its message in __abort_msg variable */
+ args[12] = (char*)"-ex";
+ args[13] = (char*)"print (char*)__abort_msg";
args[14] = (char*)"-ex";
- args[15] = (char*)"print (char*)__abort_msg";
+ args[15] = (char*)"print (char*)__glib_assert_msg";
args[16] = (char*)"-ex";
- args[17] = (char*)"print (char*)__glib_assert_msg";
+ args[17] = (char*)"info all-registers";
args[18] = (char*)"-ex";
- args[19] = (char*)"info all-registers";
- args[20] = (char*)"-ex";
- args[21] = (char*)"disassemble";
- args[22] = NULL;
+ args[19] = (char*)"disassemble";
+ args[20] = NULL;
/* Get the backtrace, but try to cap its size */
/* Limit bt depth. With no limit, gdb sometimes OOMs the machine */
@@ -332,9 +330,9 @@ char *get_backtrace(const char *dump_dir_name, unsigned timeout_sec, const char
char *bt = NULL;
while (1)
{
- args[11] = xasprintf("%s backtrace %u%s", thread_apply_all, bt_depth, full);
+ args[9] = xasprintf("%s backtrace %u%s", thread_apply_all, bt_depth, full);
bt = exec_vp(args, /*redirect_stderr:*/ 1, timeout_sec, NULL);
- free(args[11]);
+ free(args[9]);
if ((bt && strnlen(bt, 256*1024) < 256*1024) || bt_depth <= 32)
{
break;
@@ -359,7 +357,7 @@ char *get_backtrace(const char *dump_dir_name, unsigned timeout_sec, const char
* End of assembler dump.
* (IOW: "empty" dump)
*/
- args[21] = (char*)"disassemble $pc-20, $pc+64";
+ args[19] = (char*)"disassemble $pc-20, $pc+64";
if (bt_depth <= 64 && thread_apply_all[0] != '\0')
{
@@ -375,9 +373,9 @@ char *get_backtrace(const char *dump_dir_name, unsigned timeout_sec, const char
}
}
+ free(args[3]);
free(args[5]);
free(args[7]);
- free(args[9]);
return bt;
}
--
1.8.3.1