[gentoo-hardened] "grsec: denied RWX mprotect" doesn't kill app anymore

2014-11-01 Thread Alex Efros
Hi! I wonder is something was changed in handling "grsec: denied RWX mprotect"? Previously when I see this in kernel log it usually result in killing app (and I've to run `paxctl-ng -m /that/app`), but now it looks like this doesn't happens anymore. For example: # eselect opengl list Available Op

Re: [gentoo-hardened] "grsec: denied RWX mprotect" doesn't kill app anymore

2014-11-01 Thread Amadeusz Sławiński
On Sat, 1 Nov 2014 12:08:23 +0200 Alex Efros wrote: > Hi! > > I wonder is something was changed in handling "grsec: denied RWX > mprotect"? Previously when I see this in kernel log it usually result > in killing app (and I've to run `paxctl-ng -m /that/app`), but now it > looks like this doesn't

Re: [gentoo-hardened] "grsec: denied RWX mprotect" doesn't kill app anymore

2014-11-01 Thread Tóth Attila
There have been changes in the toolchain: https://sourceware.org/bugzilla/show_bug.cgi?id=12492 Application also handle these situations nowdays and survive the denial instead of crashing. Like clamav developers made the software aware of such a situation: https://bugs.gentoo.org/show_bug.cgi?id=3

Re: [gentoo-hardened] Re: nginx worker crashes, grsec denial

2014-11-01 Thread John Tate
On Mon, Oct 27, 2014 at 11:19 PM, Anthony G. Basile wrote: > On 10/23/14 09:35, John Tate wrote: >> >> I just realized this error is because of the attempt to dump core. It >> is not why nginx is crashing. >> >> Sorry. >> > > "RLIMIT_CORE against limit 0" is just grsec telling you that nginx tried

Re: [gentoo-hardened] "grsec: denied RWX mprotect" doesn't kill app anymore

2014-11-01 Thread Alexander Tsoy
В Sat, 1 Nov 2014 11:21:51 +0100 Amadeusz Sławiński пишет: > On Sat, 1 Nov 2014 12:08:23 +0200 > Alex Efros wrote: > > > Hi! > > > > I wonder is something was changed in handling "grsec: denied RWX > > mprotect"? Previously when I see this in kernel log it usually > > result in killing app (an