Date: Thu, 5 Nov 2020 13:20:37 +0100 From: Paul Floyd <pjfloyd@wanadoo.fr> To: freebsd-hackers@freebsd.org Subject: Re: Extra memory mapping seen on freebsd-12 which was not seen in freebsd-11 Message-ID: <88f9ce22-2c31-9e17-9aa8-60347816800f@wanadoo.fr> In-Reply-To: <CAB6rxaSYv8Y7n5q-DrNR4x=d613k%2BibNOQ0NgnGCsyWdC0=u4g@mail.gmail.com> References: <CAB6rxaSNSoCywTy6tx6w%2B%2B-aJhQHb3FJiHoRL0vXs2CJAHe1OA@mail.gmail.com> <9CCF59F6-06F2-4352-94E5-C508E165D0C2@wanadoo.fr> <CAB6rxaRMOpx9eotjuNuUX_Ua3UZ-0KCbFdTSdEwXptjbG1%2BGUA@mail.gmail.com> <C50BCC03-832E-4CB7-8078-0E304705E757@wanadoo.fr> <CAB6rxaSYv8Y7n5q-DrNR4x=d613k%2BibNOQ0NgnGCsyWdC0=u4g@mail.gmail.com>
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On 10/17/20 6:29 AM, karnajit wangkhem wrote: > Hi Paul, > > The mappings of these applications existed prior to the guard change, which > was fine as no mapping existed on the memory range. With migration to > stable 12, I was doubting that these mappings are no longer correct. But at > the same time, does valgrind have to own this segment, which only came post > certain freebsd releases? Hi I'm not sure if Valgrind needs to own the guest stack in order to be able to grow it. Could you open a bugzilla item for this (on valgrind-devel)? That way I'll be sure not to forget about it. A+ Paul
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