> On 6 Jul 2016, at 3:39 AM, Steve Fink <sf...@mozilla.com> wrote:
> 
> On 07/05/2016 01:33 AM, Julian Hector wrote:
>> If you encounter a crash that may be due to seccomp, please file a bug in
>> bugzilla and block Bug 1280415, we use it to track issues experienced on
>> nightly.
> 
> What would such a crash look like? Do they boil down to some system call 
> returning EPERM?
> 


FYI for others since the reply was off-list: 
---------------------------
It is a crash of the content process, and somewhere in the logs you should find 
an entry similar to this:

"Sandbox: seccomp sandbox violation: pid 5154, syscall 355, args 2620711623 0 0 
0 3012860244 3077481872.  Killing process."

You could also check by setting: security.sandbox.content.level = 0 and see if 
the problem still exists.
---------------------------
There is also a wiki page with more information from b2g that has some 
information. 
https://wiki.mozilla.org/Security/Sandbox/Seccomp#Use_in_Gecko

We will update to make this Linux specific instead of b2g.

Thanks,
Paul


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