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(parent: 8b6a5a3) | patch
SELinux: hold tasklist_lock and siglock while waking wait_chldexit
authorEric Paris <eparis@redhat.com>
Tue, 4 Nov 2008 20:18:26 +0000 (15:18 -0500)
committerJames Morris <jmorris@namei.org>
Tue, 4 Nov 2008 21:44:11 +0000 (08:44 +1100)
commit41d9f9c524a53477467b7e0111ff3d644198f191
treeb891d648d756d7195bab5c0f55f105cd00d8f94atree | snapshot
parent8b6a5a37f87a414ef8636e36ec75accb27bb7508commit | diff
SELinux: hold tasklist_lock and siglock while waking wait_chldexit

SELinux has long been calling wake_up_interruptible() on
current->parent->signal->wait_chldexit without holding any locks.  It
appears that this operation should hold the tasklist_lock to dereference
current->parent and we should hold the siglock when waking up the
signal->wait_chldexit.

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
security/selinux/hooks.c diff | blob | history
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