linux-kernel - Re: Fix signalfd interaction with thread-private signals

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 19 Jun 2007 16:49:01 -0700 (PDT)
From:	Davide Libenzi <davidel@...ilserver.org>
To:	Oleg Nesterov <oleg@...sign.ru>
cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Nicholas Miell <nmiell@...cast.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Fix signalfd interaction with thread-private signals

On Tue, 19 Jun 2007, Oleg Nesterov wrote:

> The commited "Fix signalfd interaction with thread-private signals"
> (commit caec4e8dc85e0644ec24aeb36285e1ba02da58cc) doesn't implement
> this.
> 
> We can do something like
> 
> 	int signalfd_dequeue_signal(struct task_struct *tsk, sigset_t *mask, siginfo_t *info)
> 	{
> 		if (tsk->tgid == current->tgid)
> 			tsk = current;
> 
> 		return dequeue_signal(tsk, mask, info);
> 	}
> 
> (still I can't understand why should we change signalfd).

Actually, I think signalfd is fine as is, with Ben's patch applied. 
Signalfd should only fetch shared signals, not specific ones (in any 
case).



- Davide


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/