From: Mark Wielaard <mark@klomp.org>
To: elfutils-devel@sourceware.org
Subject: Re: [PATCH] libdw: Detect bad DWARF in store_implicit_value.
Date: Sun, 10 Jun 2018 15:23:00 -0000 [thread overview]
Message-ID: <20180610152300.GC7539@wildebeest.org> (raw)
In-Reply-To: <1528467538-8005-1-git-send-email-mark@klomp.org>
On Fri, Jun 08, 2018 at 04:18:58PM +0200, Mark Wielaard wrote:
> The afl fuzzer running against the varlocs test detected we didn't report
> the value block of a DW_OP_implicit_value consistently when the DWARF was
> bad. Although this doesn't cause a crash it might result in consumers
> using dwarf_getlocation_implicit_value seeing an inconsistent block length
> value. To fix this detect and report bad DWARF data earlier.
Pushed to master.
prev parent reply other threads:[~2018-06-10 15:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-08 14:19 Mark Wielaard
2018-06-10 15:23 ` Mark Wielaard [this message]
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