https://sourceware.org/bugzilla/show_bug.cgi?id=22192
--- Comment #1 from skysider ---
Oops, it's perhaps a dupicate of bug 22186.
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: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: luanjunchao at 163 dot com
Target Milestone: ---
Created attachment 10464
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floating point except
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: luanjunchao at 163 dot com
Target Milestone: ---
Created attachment 10463
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memory leak poc
The output of running "objdump --x -S
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: luanjunchao at 163 dot com
Target Milestone: ---
Created attachment 10435
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Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: luanjunchao at 163 dot com
Target Milestone: ---
Created attachment 10418
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poc of integer overlow
In elf64-x86-64.c:6718, funct
https://sourceware.org/bugzilla/show_bug.cgi?id=22203
skysider changed:
What|Removed |Added
Summary|memory leak in elfxx-x86.c |memory leak in
|and
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: luanjunchao at 163 dot com
Target Milestone: ---
Created attachment 10477
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poc of inte
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: luanjunchao at 163 dot com
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Created attachment 10486
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poc of memory leak
The command I execute is "nm-new -A -a
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: luanjunchao at 163 dot com
Target Milestone: ---
Created attachment 10484
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poc of la
https://sourceware.org/bugzilla/show_bug.cgi?id=22210
--- Comment #2 from skysider ---
My purpose is to test whether nm works well when opening crafted elf file.
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Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: luanjunchao at 163 dot com
Target Milestone: ---
Created attachment 10475
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poc of mem
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: luanjunchao at 163 dot com
Target Milestone: ---
Created attachment 10489
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Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: luanjunchao at 163 dot com
Target Milestone: ---
Created attachment 10490
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poc of infin
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: luanjunchao at 163 dot com
Target Milestone: ---
The test command is objcopy with specific elf file.
Below is part of gdb debugging output.
Program received signal SIGSEGV, Segmentation fault
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: luanjunchao at 163 dot com
Target Milestone: ---
When I test latest objcopy with elf file, there is null pointer dereference
problem.
Here is part of output
: binutils
Assignee: unassigned at sourceware dot org
Reporter: luanjunchao at 163 dot com
Target Milestone: ---
The command I test is "nm-new -A -a -l -S -s --special-syms --synthetic
--with-symbol-versions -D $POC".
Here is
: binutils
Assignee: unassigned at sourceware dot org
Reporter: luanjunchao at 163 dot com
Target Milestone: ---
The command I test is "nm-new -A -a -l -S -s --special-syms --synthetic
--with-symbol-versions -D $POC".
In function parse_die, I find a case which can lead t
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: luanjunchao at 163 dot com
Target Milestone: ---
The command I test is "nm-new -A -a -l -S -s --special-syms --synthetic
--with-symbol-versions -D $POC".
In function read_attribute_value in dwa
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: luanjunchao at 163 dot com
Target Milestone: ---
The command I test is "objdump -x -D -S -s -g -e -G --dwarf -t -T -r -R
--special-syms --inlines --dwarf-check $POC". The binutils tools are compile
https://sourceware.org/bugzilla/show_bug.cgi?id=22893
--- Comment #2 from skysider ---
I compile it in 32 bit mode and it crashes.
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https://sourceware.org/bugzilla/show_bug.cgi?id=22895
--- Comment #1 from skysider ---
Compile binutils in 32 bit machine.
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https://sourceware.org/bugzilla/show_bug.cgi?id=22894
--- Comment #2 from skysider ---
I test it in 32bit machine. I wonder if you compile in 32bit mode and it seems
that it only crashes in 32 bit .
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https://sourceware.org/bugzilla/show_bug.cgi?id=22887
--- Comment #1 from skysider ---
I compile binutils in 32bit machine.
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https://sourceware.org/bugzilla/show_bug.cgi?id=22895
--- Comment #3 from skysider ---
Sure, I will test it a few hours later (it's night in my region)
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https://sourceware.org/bugzilla/show_bug.cgi?id=22887
--- Comment #4 from skysider ---
The command I use is "objcopy --debugging -p -D --keep-file-symbols $POC
/tmp/1" and it still crashes.
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https://sourceware.org/bugzilla/show_bug.cgi?id=22895
--- Comment #4 from skysider ---
The patch doesn't work for the crash corpus. Part of my gdb debugging:
(gdb) list
1186 if (blk == NULL)
1187return NULL;
1188 blk->size = _bfd_safe_read_leb128 (abfd, info_ptr,
https://sourceware.org/bugzilla/show_bug.cgi?id=22894
--- Comment #3 from skysider ---
The patch works.
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https://sourceware.org/bugzilla/show_bug.cgi?id=22895
--- Comment #6 from skysider ---
The patch works. And the command I compile binutils is
configure --disable-shared LIBS=-ldl LDFLAGS=-ldl --disable-64-bit-bfd
CFLAGS="-g -O0 -fsanitize=address" CXXFLAGS="-g -O0 -fsanitize=address"
make
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