Messages in this thread | | | Date | Fri, 26 Aug 2011 16:10:32 +0200 | From | Oleg Nesterov <> | Subject | Re: [PATCH] coredump: fix pipe coredump when core limit is 0 |
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On 08/26, Pádraig Brady wrote: > > On 08/25/2011 04:57 PM, Oleg Nesterov wrote: > > On 08/24, Neil Horman wrote: > >> > >> The long and the short of it is, making RLIMIT_CORE == 0 for the ispipe case > >> skip the core dump, breaks lots of user space expectations > > > > Not sure this really makes sense, but perhaps ispipe can skip the dump > > if RLIMIT_CORE == 0 _and_ the signal was sent from the user-space. > > I like the sound of that, though don't know the details for > determining signal origin. SIGQUIT generated from a Ctrl-\ > from the tty driver might be problematic for example.
Hmm. Thanks for correcting me.
Indeed, contrary to what I expected tty uses SEND_SIG_PRIV, not SEND_SIG_NOINFO. This is SI_KERNEL. Hmm. OTOH, this makes sense from check_kill_permission() pov.
Thanks.
Oleg.
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