gcc/libbacktrace at 45eea9f6edf816106b45ca64df82881ecb7b0c7f - gcc

History

Tom de Vries 18c742b5f0 [libbacktrace] Fix segfault upon allocation failure If the allocation of abbrevs->abbrevs in read_abbrevs fails, then abbrevs->num_abbrevs remains nonzero, and consequently free_abbrevs will segfault when accessing abbrevs->abbrevs. Fix this by setting abbrevs->num_abbrevs only after abbrevs->abbrevs allocation has succeeded. Bootstrapped and reg-tested on x86_64. 2018-11-28 Tom de Vries <tdevries@suse.de> * dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation failure. From-SVN: r266562		2018-11-28 14:06:23 +00:00
..
aclocal.m4	Update GCC to autoconf 2.69, automake 1.15.1 (PR bootstrap/82856).	2018-10-31 17:03:16 +00:00
alloc.c	[libbacktrace] Avoid realloc with size == 0 in backtrace_vector_release	2018-11-27 08:25:52 +00:00
atomic.c
backtrace-supported.h.in
backtrace.c
backtrace.h
btest.c
ChangeLog	[libbacktrace] Fix segfault upon allocation failure	2018-11-28 14:06:23 +00:00
ChangeLog.jit
config.h.in	Update GCC to autoconf 2.69, automake 1.15.1 (PR bootstrap/82856).	2018-10-31 17:03:16 +00:00
configure	Update GCC to autoconf 2.69, automake 1.15.1 (PR bootstrap/82856).	2018-10-31 17:03:16 +00:00
configure.ac	Update GCC to autoconf 2.69, automake 1.15.1 (PR bootstrap/82856).	2018-10-31 17:03:16 +00:00
dwarf.c	[libbacktrace] Fix segfault upon allocation failure	2018-11-28 14:06:23 +00:00
edtest2.c
edtest.c
elf.c
fileline.c
filetype.awk
internal.h
Makefile.am	[libbacktrace] Avoid realloc with size == 0 in backtrace_vector_release	2018-11-27 08:25:52 +00:00
Makefile.in	[libbacktrace] Avoid realloc with size == 0 in backtrace_vector_release	2018-11-27 08:25:52 +00:00
mmap.c	[libbacktrace] Don't point to released memory in backtrace_vector_release	2018-11-27 08:26:04 +00:00
mmapio.c
nounwind.c
pecoff.c
posix.c
print.c
read.c
README
simple.c
sort.c
state.c
stest.c
testlib.c
testlib.h
ttest.c
unittest.c	[libbacktrace] Don't point to released memory in backtrace_vector_release	2018-11-27 08:26:04 +00:00
unknown.c
xcoff.c
ztest.c

README

The libbacktrace library
Initially written by Ian Lance Taylor <iant@google.com>

The libbacktrace library may be linked into a program or library and
used to produce symbolic backtraces.  Sample uses would be to print a
detailed backtrace when an error occurs or to gather detailed
profiling information.

The libbacktrace library is provided under a BSD license.  See the
source files for the exact license text.

The public functions are declared and documented in the header file
backtrace.h, which should be #include'd by a user of the library.

Building libbacktrace will generate a file backtrace-supported.h,
which a user of the library may use to determine whether backtraces
will work.  See the source file backtrace-supported.h.in for the
macros that it defines.

As of September 2012, libbacktrace only supports ELF executables with
DWARF debugging information.  The library is written to make it
straightforward to add support for other object file and debugging
formats.