[Bug binutils/23832] Memory Leak (118487342)

2018-10-28 Thread amodra at gmail dot com 
https://sourceware.org/bugzilla/show_bug.cgi?id=23832

Alan Modra  changed:

   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
 CC||amodra at gmail dot com
 Resolution|--- |INVALID

--- Comment #1 from Alan Modra  ---
libiberty files are owned by the gcc project, not the binutils project.  Please
report this bug to https://gcc.gnu.org/bugzilla/

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[Bug binutils/23833] Segmentation Fault (118485394)

2018-10-28 Thread amodra at gmail dot com 
https://sourceware.org/bugzilla/show_bug.cgi?id=23833

Alan Modra  changed:

   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
 CC||amodra at gmail dot com
 Resolution|--- |INVALID

--- Comment #1 from Alan Modra  ---
libiberty files are owned by the gcc project, not the binutils project.  Please
report this bug to https://gcc.gnu.org/bugzilla/

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[Bug binutils/23834] Infinite Recursion in demangle_nested_args - Stack Overflow (118486503)

2018-10-28 Thread amodra at gmail dot com 
https://sourceware.org/bugzilla/show_bug.cgi?id=23834

Alan Modra  changed:

   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
 CC||amodra at gmail dot com
 Resolution|--- |INVALID

--- Comment #1 from Alan Modra  ---
libiberty files are owned by the gcc project, not the binutils project.  Please
report this bug to https://gcc.gnu.org/bugzilla/

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[Bug ld/23839] New: ld generates a corrupted relocation table for .ARM.exidx sections

2018-10-28 Thread blastrock at free dot fr 
https://sourceware.org/bugzilla/show_bug.cgi?id=23839

Bug ID: 23839
   Summary: ld generates a corrupted relocation table for
.ARM.exidx sections
   Product: binutils
   Version: 2.30
Status: UNCONFIRMED
  Severity: normal
  Priority: P2
 Component: ld
  Assignee: unassigned at sourceware dot org
  Reporter: blastrock at free dot fr
  Target Milestone: ---

I have a bug where my unwind tables are corrupted because of a faulty
relocation in the .rel.ARM.exidx section of my output executable.

I just discovered https://sourceware.org/bugzilla/show_bug.cgi?id=20595 which
is fixed, but it seems like this is the exact bug I am seeing.

I have applied the following patch to catch my issue:

diff -ru binutils-2.30.orig/bfd/elf32-arm.c binutils-2.30/bfd/elf32-arm.c
--- binutils-2.30.orig/bfd/elf32-arm.c  2018-10-28 14:32:50.434311154 +0100
+++ binutils-2.30/bfd/elf32-arm.c   2018-10-28 14:33:48.771218065 +0100
@@ -12275,6 +12275,9 @@
   relend = relocs + input_section->reloc_count;
   for (; rel < relend; rel++)
 {
+  if (rel->r_offset < 0 || rel->r_offset >= input_section->size)
+printf("that's an overflow !!!\n");
+
   int r_type;
   reloc_howto_type *  howto;
   unsigned long   r_symndx;

And indeed, some relocations are applied to addresses that are outside of the
concerned section. This is my first time digging in ld's code so please tell me
if this is actually normal behavior.

So I assumed that's because of exidx entries merging and I reached the same
workaround described here:
https://sourceware.org/bugzilla/show_bug.cgi?id=20595#c1 .

I can see some rests of #20595's fix around elf32-arm.c:14823 (still on
binutils 2.30), but I don't understand what those external or internal
relocations and swap in and out functions are.

I could reproduce my issue on binutils 2.31, but I did all my investigation on
2.30.

Please tell me if I can help investigate the issue. I can provide a
reproduction case but I couldn't simplify it so it implies lots of objects,
libraries and a custom toolchain.

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[Bug gas/23837] Segmentation fault in resolve_symbol_value at symbols.c:1165

2018-10-28 Thread dave.anglin at bell dot net 
https://sourceware.org/bugzilla/show_bug.cgi?id=23837

--- Comment #5 from dave.anglin at bell dot net ---
On 2018-10-28 1:53 AM, amodra at gmail dot com wrote:
> Patch committed fixes the segfault, which was due to setting a bogus symbol
> frag in git commit 29e6f4745ec.
Thanks Alan!  Sorry for messing up.

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[Bug gas/23837] Segmentation fault in resolve_symbol_value at symbols.c:1165

2018-10-28 Thread danglin at gcc dot gnu.org 
https://sourceware.org/bugzilla/show_bug.cgi?id=23837

John David Anglin  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |FIXED

--- Comment #6 from John David Anglin  ---
Fixed.

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