Alexey Gladkov 0889f44e28 ipc: Check permissions for checkpoint_restart sysctls at open time ...

As Eric Biederman pointed out, it is possible not to use a custom
proc_handler and check permissions for every write, but to use a
.permission handler. That will allow the checkpoint_restart sysctls to
perform all of their permission checks at open time, and not need any
other special code.

Link: https://lore.kernel.org/lkml/87czib9g38.fsf@email.froward.int.ebiederm.org/
Fixes: 1f5c135ee509 ("ipc: Store ipc sysctls in the ipc namespace")
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Alexey Gladkov <legion@kernel.org>
Link: https://lkml.kernel.org/r/65fa8459803830608da4610a39f33c76aa933eb9.1651584847.git.legion@kernel.org
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>

2022-05-03 17:25:58 -05:00

..

compat.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

ipc_sysctl.c

ipc: Check permissions for checkpoint_restart sysctls at open time

2022-05-03 17:25:58 -05:00

Makefile

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

mq_sysctl.c

ipc: Store mqueue sysctls in the ipc namespace

2022-03-08 13:39:40 -06:00

mqueue.c

ipc: Store mqueue sysctls in the ipc namespace

2022-03-08 13:39:40 -06:00

msg.c

memcg: enable accounting of ipc resources

2021-09-03 09:58:12 -07:00

msgutil.c

ipc: Use generic ns_common::count

2020-08-19 14:13:52 +02:00

namespace.c

ipc: Store ipc sysctls in the ipc namespace

2022-03-08 13:39:40 -06:00

sem.c

ipc/sem: do not sleep with a spin lock held

2022-02-04 09:25:05 -08:00

shm.c

shm: extend forced shm destroy to support objects from several IPC nses

2021-11-20 10:35:54 -08:00

syscall.c

y2038: remove CONFIG_64BIT_TIME

2019-11-15 14:38:27 +01:00

util.c

proc: remove PDE_DATA() completely

2022-01-22 08:33:37 +02:00

util.h

ipc/util.c: use binary search for max_idx

2021-07-01 11:06:07 -07:00