On Wed, 2020-01-08 at 12:52 +0100, Andreas Schwab wrote:
> On Dez 06 2019, Martin Sebor wrote:
>
> > diff --git a/gcc/testsuite/gcc.dg/Wstringop-overflow-27.c
> > b/gcc/testsuite/gcc.dg/Wstringop-overflow-27.c
> > new file mode 100644
> > index 000..249ce2b6ad5
> > --- /dev/null
> > +++ b
On Wed, 2020-01-08 at 12:52 +0100, Andreas Schwab wrote:
> On Dez 06 2019, Martin Sebor wrote:
>
> > diff --git a/gcc/testsuite/gcc.dg/Wstringop-overflow-27.c
> > b/gcc/testsuite/gcc.dg/Wstringop-overflow-27.c
> > new file mode 100644
> > index 000..249ce2b6ad5
> > --- /dev/null
> > +++ b
On Dez 06 2019, Martin Sebor wrote:
> diff --git a/gcc/testsuite/gcc.dg/Wstringop-overflow-27.c
> b/gcc/testsuite/gcc.dg/Wstringop-overflow-27.c
> new file mode 100644
> index 000..249ce2b6ad5
> --- /dev/null
> +++ b/gcc/testsuite/gcc.dg/Wstringop-overflow-27.c
> +void test_strcpy_warn (
On Sat, 14 Dec 2019 at 22:35, Jeff Law wrote:
>
> On Fri, 2019-12-13 at 17:55 -0700, Martin Sebor wrote:
> > After more testing by Jeff's buildbot and correcting the problems
> > it exposed I have committed the attached patch in r279392.
> And just to close the loop on this. Your last version fix
On Fri, 2019-12-13 at 17:55 -0700, Martin Sebor wrote:
> After more testing by Jeff's buildbot and correcting the problems
> it exposed I have committed the attached patch in r279392.
And just to close the loop on this. Your last version fixed all the
issues I saw in the tester.
jeff
After more testing by Jeff's buildbot and correcting the problems
it exposed I have committed the attached patch in r279392.
Martin
On 12/11/19 4:23 PM, Martin Sebor wrote:
Jeff's buildbot exposed a bug in the patch that caused false
positives in cases involving negative offsets into destinatio
Jeff's buildbot exposed a bug in the patch that caused false
positives in cases involving negative offsets into destinations
involving pointers pointing into multiple regions of the same
object. The attached revision fixes that bug, plus makes
a few minor other fixes pointed out in PR 92868.
On
On Fri, Dec 06, 2019 at 05:19:36PM -0700, Martin Sebor wrote:
> With part 2 (below) of this work committed, I've rebased the patch
> on the top of trunk and on top of the updated part 1 (also below).
> Attached is the result, retested on x86_64-linux.
> --- a/gcc/tree-ssa-strlen.c
> +++ b/gcc/tree
With part 2 (below) of this work committed, I've rebased the patch
on the top of trunk and on top of the updated part 1 (also below).
Attached is the result, retested on x86_64-linux.
[1] include size and offset in -Wstringop-overflow
https://gcc.gnu.org/ml/gcc-patches/2019-12/msg00392.html
On 11/30/19 9:31 AM, Christophe Lyon wrote:
On Tue, 12 Nov 2019 at 02:28, Martin Sebor wrote:
The attached patch extends the strlen pass to detect out-of-bounds
accesses to memory allocated by calls to other allocation functions
besides calloc and malloc, as well as VLAs, and user-defined
func
On Tue, 12 Nov 2019 at 02:28, Martin Sebor wrote:
>
> The attached patch extends the strlen pass to detect out-of-bounds
> accesses to memory allocated by calls to other allocation functions
> besides calloc and malloc, as well as VLAs, and user-defined
> functions declared with attribute alloc_si
Ping: https://gcc.gnu.org/ml/gcc-patches/2019-11/msg00812.html
On 11/18/19 11:23 AM, Martin Sebor wrote:
Ping: https://gcc.gnu.org/ml/gcc-patches/2019-11/msg00812.html
On 11/11/19 6:27 PM, Martin Sebor wrote:
The attached patch extends the strlen pass to detect out-of-bounds
accesses to memory
Ping: https://gcc.gnu.org/ml/gcc-patches/2019-11/msg00812.html
On 11/11/19 6:27 PM, Martin Sebor wrote:
The attached patch extends the strlen pass to detect out-of-bounds
accesses to memory allocated by calls to other allocation functions
besides calloc and malloc, as well as VLAs, and user-defi
The attached patch extends the strlen pass to detect out-of-bounds
accesses to memory allocated by calls to other allocation functions
besides calloc and malloc, as well as VLAs, and user-defined
functions declared with attribute alloc_size. There is some
overlap with the _FORTIFY_SOURCE detectio
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