Date: Thu, 11 Jun 2020 16:05:30 -0400 From: Rich Felker <dalias@...c.org> To: musl@...ts.openwall.com Subject: Re: mallocng switchover - opportunity to test On Wed, Jun 10, 2020 at 10:33:06AM +0200, Szabolcs Nagy wrote: > > > I'm not sure about this, and how it interacts with our definition of > > > posix_memalign and memalign in terms of aligned_alloc. > > > > What do you think of this proposal: > > > > Have ldso track both whether malloc was replaced and whether > > aligned_alloc was replaced. If malloc was replaced but aligned_alloc > > wasn't, aligned_alloc fails with ENOMEM. If both were replaced and our > > internal aligned_alloc still gets called, assume some sort of wrapping > > is going on and allow it to proceed. > > > > With mallocng, this is "safe" against misuse in the sense that it will > > trap rather than corrupting memory if the contract is violated. > > sounds good to me. As of commit 1fc67fc117f9d25d240d46bbef78ebccacec7097 it should behave as proposed here. Does this look/behave like what you expected? Rich
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