SELinux: clear parent death signal on SID transitions
Clear parent death signal on SID transitions to prevent unauthorized signaling between SIDs. Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov> Acked-by: Eric Paris <eparis@parisplace.org> Signed-off-by: James Morris <jmorris@localhost.localdomain>
This commit is contained in:
parent
a1c582d072
commit
4ac212ad4e
|
@ -1907,6 +1907,9 @@ static void selinux_bprm_post_apply_creds(struct linux_binprm *bprm)
|
||||||
spin_unlock_irq(¤t->sighand->siglock);
|
spin_unlock_irq(¤t->sighand->siglock);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/* Always clear parent death signal on SID transitions. */
|
||||||
|
current->pdeath_signal = 0;
|
||||||
|
|
||||||
/* Check whether the new SID can inherit resource limits
|
/* Check whether the new SID can inherit resource limits
|
||||||
from the old SID. If not, reset all soft limits to
|
from the old SID. If not, reset all soft limits to
|
||||||
the lower of the current task's hard limit and the init
|
the lower of the current task's hard limit and the init
|
||||||
|
|
Loading…
Reference in a new issue