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Date: Mon, 10 Jun 2019 09:38:03 +0800 From: Joseph Qi <joseph.qi@...ux.alibaba.com> To: Greg KH <gregkh@...uxfoundation.org> Cc: Nadav Amit <namit@...are.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, the arch/x86 maintainers <x86@...nel.org>, "Peter Zijlstra (Intel)" <peterz@...radead.org>, Ingo Molnar <mingo@...nel.org>, Caspar Zhang <caspar@...ux.alibaba.com>, jiufei Xue <jiufei.xue@...ux.alibaba.com>, Sasha Levin <sashal@...nel.org> Subject: Re: [bug report][stable] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) Confirmed the following 3 upstream commits can resolve this issue: d2a68c4effd8 x86/ftrace: Do not call function graph from dynamic trampolines 3c0dab44e227 x86/ftrace: Set trampoline pages as executable 7298e24f9042 x86/kprobes: Set instruction page as executable And they are all included in stable 4.19.49. Thanks, Joseph On 19/6/9 22:50, Greg KH wrote: > On Sun, Jun 09, 2019 at 09:10:45PM +0800, Joseph Qi wrote: >> Hi Nadav, >> Thanks for the comments. >> I'll test the 3 patches in the mentioned thread. > > This should all be fixed in the latest release that happened today. If > not, please let us know. > > thanks, > > greg k-h >
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