From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Rini Date: Sun, 5 May 2019 07:38:10 -0400 Subject: [U-Boot] [PATCH v5 2/2] dlmalloc: fix malloc range at end of ram In-Reply-To: <71a5ea6e-a001-1f1a-cab7-af503d62f086@gmail.com> References: <20190425192240.5925-1-simon.k.r.goldschmidt@gmail.com> <20190425192240.5925-2-simon.k.r.goldschmidt@gmail.com> <5fe137d2-4a8e-82a3-58a9-a85e5b520f08@gmail.com> <1bb0e151-274c-8fc1-a1fa-f5844300b228@gmail.com> <71a5ea6e-a001-1f1a-cab7-af503d62f086@gmail.com> Message-ID: <20190505113810.GG31207@bill-the-cat> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Sat, May 04, 2019 at 08:16:38PM +0200, Simon Goldschmidt wrote: > Tom, > > Am 26.04.2019 um 13:00 schrieb Marek Vasut: > >On 4/26/19 12:19 PM, Simon Goldschmidt wrote: > >>On Fri, Apr 26, 2019 at 11:56 AM Marek Vasut wrote: > >>> > >>>On 4/26/19 11:36 AM, Simon Goldschmidt wrote: > >>>>On Fri, Apr 26, 2019 at 11:32 AM Marek Vasut wrote: > >>>>> > >>>>>On 4/26/19 8:19 AM, Simon Goldschmidt wrote: > >>>>>>Marek Vasut schrieb am Fr., 26. Apr. 2019, 00:22: > >>>>>> > >>>>>>>On 4/25/19 9:22 PM, Simon Goldschmidt wrote: > >>>>>>>>If the malloc range passed to mem_malloc_init() is at the end of address > >>>>>>>>range and 'start + size' overflows to 0, following allocations fail as > >>>>>>>>mem_malloc_end is zero (which looks like uninitialized). > >>>>>>>> > >>>>>>>>Fix this by subtracting 1 of 'start + size' overflows to zero. > >>>>>>>> > >>>>>>>>Signed-off-by: Simon Goldschmidt > > Since there's no way this fits without breaking smartweb, I'd rather drop > this for now in order to get 1/2 accepted. I thought that with 1/2 this fit again, with gcc-7.3 at least? Thanks! -- Tom -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: not available URL: