From: Frederick Virchanza Gotham <cauldwell.thomas@gmail.com>
To: Jonathan Wakely <jwakely@redhat.com>
Cc: "libstdc++" <libstdc++@gcc.gnu.org>
Subject: Re: string::iterator should have more error checking
Date: Fri, 24 Jun 2022 10:06:10 +0100 [thread overview]
Message-ID: <CALtZhhPYg5pLWusCk8RKOVqktFNnt=T4N55yabi2W4tKFVH8YA@mail.gmail.com> (raw)
In-Reply-To: <CACb0b4no6kZcS6F1b+k2eH_FznL8x4yJdBXr+HdkyYs74NG7Nw@mail.gmail.com>
On Thu, Jun 23, 2022 at 11:36 PM Jonathan Wakely <jwakely@redhat.com> wrote:
> Yes it does:
> https://godbolt.org/z/hYhcfjTWY
You're right, that does work.
I've put together another little sample program. The dereferencing of
an "end()" iterator is flagged by __gnu_debug::_Safe_iterator, however
the invalid memory access on the last line -- strangely -- is not
noticed by "-fsanitize"
https://godbolt.org/z/4nzjGG8o3
next prev parent reply other threads:[~2022-06-24 9:06 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-23 21:05 Frederick Virchanza Gotham
2022-06-23 21:26 ` Jonathan Wakely
2022-06-23 22:01 ` Frederick Virchanza Gotham
2022-06-23 22:35 ` Jonathan Wakely
2022-06-24 9:06 ` Frederick Virchanza Gotham [this message]
2022-06-24 9:35 ` Jonathan Wakely
2022-06-24 10:10 ` Frederick Virchanza Gotham
2022-06-24 10:28 ` Jonathan Wakely
2022-06-24 11:14 ` Frederick Virchanza Gotham
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