Date: Thu, 7 Dec 2017 12:17:18 +0100 From: Greg KH <greg@...ah.com> To: at zhou <zhouat2017@...il.com> Cc: security@...nel.org, secalert@...hat.com, security@...e.com, tglx@...utronix.de, oss-security@...ts.openwall.com, linux-distros@...openwall.org Subject: Re: signed integer overflow in common_timer_get on linux 4.15.0-rc1 On Thu, Dec 07, 2017 at 06:01:43PM +0800, at zhou wrote: > Hi all, > > credit to L5@...vulcan team > > I fuzzed the linux kernel and find signed integer overflow on linux > 4.15.0-rc1+. > the crash log can see below, the .config and the poc file ,please see the > attachments. Odd, doesn't seem to affect a 4.9 or 4.15-rc2 kernel here on my machines, is there something specific in the .config that might be triggering this? thanks, greg k-h
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