Messages in this thread Patch in this message |  | | | From | Hubertus Franke <> | | Date | Thu, 15 Dec 2005 09:36:18 -0500 | | Subject | [RFC][patch 21/21] PID Virtualization: pidspace parent : signal behavior |
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make sure a process parent of a pidspace discards signals sent from processes in that pidspace.
Signed-off-by: Cedric Le Goater <clg@fr.ibm.com>
--
kernel/signal.c | 4 ++++ 1 files changed, 4 insertions(+) Index: linux-2.6.15-rc1/kernel/signal.c =================================================================== --- linux-2.6.15-rc1.orig/kernel/signal.c 2005-12-08 01:50:37.000000000 -0500 +++ linux-2.6.15-rc1/kernel/signal.c 2005-12-08 01:50:37.000000000 -0500 @@ -651,6 +651,10 @@ static int check_kill_permission(int sig if (!valid_signal(sig)) return error; error = -EPERM; + + if (task_vpid_ctx(t, current) == 1) + return error; + if ((info == SEND_SIG_NOINFO || (!is_si_special(info) && SI_FROMUSER(info))) && ((sig != SIGCONT) || (current->signal->session != t->signal->session)) -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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