Re: regression: Bug 215601 - gcc segv at startup on ia64

matoro <matoro_mailinglist_kernel@xxxxxxxxx> · Thu, 24 Feb 2022 09:22:04 -0500

Hi Kees, I can provide live ssh access to my system exhibiting the 

issue.  My system is a lot more stable due to using openrc rather than 

systemd, for me GCC seems to be the only binary affected.  Would that be 

helpful?

On 2022-02-24 04:33, John Paul Adrian Glaubitz wrote:

Hi Kees!

On 2/24/22 06:16, Kees Cook wrote:

You should be able to extract the binaries from this initrd image and 

the "mount" command,

for example, should be one of the affected binaries.

In dmesg, do you see any of these reports?

                pr_info("%d (%s): Uhuuh, elf segment at %px requested 

but the memory is mapped already\n",

                        task_pid_nr(current), current->comm, (void 

*)addr);

I'll check that.

I don't see anything out of order in the "mount" binary from the above

initrd. What does "readelf -lW" show for the GCC you're seeing 

failures

on?

I'm not 100% sure whether it's the mount binary that is affected. What
happens is that once init takes over,
I'm seeing multiple "Segmentation Fault" message on the console until
I'm dropped to the initrd shell.

I can check what dmesg says.

Adrian