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* [Bug libgcc/61585] New: Subscript-out-of-range in unwind-seh.c?
@ 2014-06-23 9:43 lh_mouse at 126 dot com
2014-06-23 9:54 ` [Bug libgcc/61585] " ktietz at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: lh_mouse at 126 dot com @ 2014-06-23 9:43 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61585
Bug ID: 61585
Summary: Subscript-out-of-range in unwind-seh.c?
Product: gcc
Version: 4.10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libgcc
Assignee: unassigned at gcc dot gnu.org
Reporter: lh_mouse at 126 dot com
In file gcc/libgcc/unwind-seh.c, line 69:
struct _Unwind_Context
{
_Unwind_Word cfa;
_Unwind_Word ra;
_Unwind_Word reg[2]; // ** Defined here.
PDISPATCHER_CONTEXT disp;
};
/* Get the value of register INDEX as saved in CONTEXT. */
_Unwind_Word
_Unwind_GetGR (struct _Unwind_Context *c, int index)
{
if (index < 0 || index > 2) // ** Isn't 2 an out-of-range index??
abort ();
return c->reg[index]; // ** Accessed here.
}
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libgcc/61585] Subscript-out-of-range in unwind-seh.c?
2014-06-23 9:43 [Bug libgcc/61585] New: Subscript-out-of-range in unwind-seh.c? lh_mouse at 126 dot com
@ 2014-06-23 9:54 ` ktietz at gcc dot gnu.org
2014-06-23 16:21 ` ktietz at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: ktietz at gcc dot gnu.org @ 2014-06-23 9:54 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61585
Kai Tietz <ktietz at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2014-06-23
CC| |ktietz at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Kai Tietz <ktietz at gcc dot gnu.org> ---
Mine.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libgcc/61585] Subscript-out-of-range in unwind-seh.c?
2014-06-23 9:43 [Bug libgcc/61585] New: Subscript-out-of-range in unwind-seh.c? lh_mouse at 126 dot com
2014-06-23 9:54 ` [Bug libgcc/61585] " ktietz at gcc dot gnu.org
@ 2014-06-23 16:21 ` ktietz at gcc dot gnu.org
2014-06-23 16:23 ` ktietz at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: ktietz at gcc dot gnu.org @ 2014-06-23 16:21 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61585
--- Comment #2 from Kai Tietz <ktietz at gcc dot gnu.org> ---
Author: ktietz
Date: Mon Jun 23 16:20:31 2014
New Revision: 211900
URL: https://gcc.gnu.org/viewcvs?rev=211900&root=gcc&view=rev
Log:
PR libgcc/61585
* unwind-seh.c (_Unwind_GetGR): Check for proper
index range.
(_Unwind_SetGR): Likewise.
Modified:
trunk/libgcc/ChangeLog
trunk/libgcc/unwind-seh.c
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libgcc/61585] Subscript-out-of-range in unwind-seh.c?
2014-06-23 9:43 [Bug libgcc/61585] New: Subscript-out-of-range in unwind-seh.c? lh_mouse at 126 dot com
2014-06-23 9:54 ` [Bug libgcc/61585] " ktietz at gcc dot gnu.org
2014-06-23 16:21 ` ktietz at gcc dot gnu.org
@ 2014-06-23 16:23 ` ktietz at gcc dot gnu.org
2014-06-27 8:06 ` ebotcazou at gcc dot gnu.org
2014-06-27 8:39 ` ktietz at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: ktietz at gcc dot gnu.org @ 2014-06-23 16:23 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61585
Kai Tietz <ktietz at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #3 from Kai Tietz <ktietz at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libgcc/61585] Subscript-out-of-range in unwind-seh.c?
2014-06-23 9:43 [Bug libgcc/61585] New: Subscript-out-of-range in unwind-seh.c? lh_mouse at 126 dot com
` (2 preceding siblings ...)
2014-06-23 16:23 ` ktietz at gcc dot gnu.org
@ 2014-06-27 8:06 ` ebotcazou at gcc dot gnu.org
2014-06-27 8:39 ` ktietz at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: ebotcazou at gcc dot gnu.org @ 2014-06-27 8:06 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61585
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ebotcazou at gcc dot gnu.org
--- Comment #4 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Could the fix be applied to all branches?
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libgcc/61585] Subscript-out-of-range in unwind-seh.c?
2014-06-23 9:43 [Bug libgcc/61585] New: Subscript-out-of-range in unwind-seh.c? lh_mouse at 126 dot com
` (3 preceding siblings ...)
2014-06-27 8:06 ` ebotcazou at gcc dot gnu.org
@ 2014-06-27 8:39 ` ktietz at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: ktietz at gcc dot gnu.org @ 2014-06-27 8:39 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61585
--- Comment #5 from Kai Tietz <ktietz at gcc dot gnu.org> ---
Sure. It isn't urgent as tests have shown that in standard-usage we didn't hit
out-of-bounds access.
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2014-06-27 8:39 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2014-06-23 9:43 [Bug libgcc/61585] New: Subscript-out-of-range in unwind-seh.c? lh_mouse at 126 dot com
2014-06-23 9:54 ` [Bug libgcc/61585] " ktietz at gcc dot gnu.org
2014-06-23 16:21 ` ktietz at gcc dot gnu.org
2014-06-23 16:23 ` ktietz at gcc dot gnu.org
2014-06-27 8:06 ` ebotcazou at gcc dot gnu.org
2014-06-27 8:39 ` ktietz at gcc dot gnu.org
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