linux

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Ming Lei 1e9571887f cgroup: cgroup_get_from_id() must check the looked-up kn is a directory

commit df02452f3d upstream.

cgroup has to be one kernfs dir, otherwise kernel panic is caused,
especially cgroup id is provide from userspace.

Reported-by: Marco Patalano <mpatalan@redhat.com>
Fixes: 6b658c4863 ("scsi: cgroup: Add cgroup_get_from_id()")
Cc: Muneendra <muneendra.kumar@broadcom.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Acked-by: Mukesh Ojha <quic_mojha@quicinc.com>
Cc: stable@vger.kernel.org # v5.14+
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2022-09-28 11:32:22 +02:00

cgroup-internal.h

cgroup: Make cgroup_debug static

2022-05-18 06:59:20 -10:00

cgroup-v1.c

cgroup: Add missing cpus_read_lock() to cgroup_attach_task_all()

2022-09-23 14:14:06 +02:00

cgroup.c

cgroup: cgroup_get_from_id() must check the looked-up kn is a directory

2022-09-28 11:32:22 +02:00

cpuset.c

cgroup: Fix threadgroup_rwsem <-> cpus_read_lock() deadlock