John Johansen f7dc4c9a85 apparmor: fix off-by-one comparison on MAXMAPPED_SIG ...

This came in yesterday, and I have verified our regression tests
were missing this and it can cause an oops. Please apply.

There is a an off-by-one comparision on sig against MAXMAPPED_SIG
that can lead to a read outside the sig_map array if sig
is MAXMAPPED_SIG. Fix this.

Verified that the check is an out of bounds case that can cause an oops.

Revised: add comparison fix to second case
Fixes: cd1dbf76b23d ("apparmor: add the ability to mediate signals")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2017-11-08 10:56:22 -08:00

..

include

Revert "apparmor: add base infastructure for socket mediation"

2017-10-26 19:35:35 +02:00

.gitignore

Revert "apparmor: add base infastructure for socket mediation"

2017-10-26 19:35:35 +02:00

apparmorfs.c

Revert "apparmor: add base infastructure for socket mediation"

2017-10-26 19:35:35 +02:00

audit.c

apparmor: switch from profiles to using labels on contexts

2017-06-10 17:11:38 -07:00

capability.c

apparmor: move capability checks to using labels

2017-06-10 17:11:40 -07:00

context.c

apparmor: switch from profiles to using labels on contexts

2017-06-10 17:11:38 -07:00

crypto.c

apparmor: use SHASH_DESC_ON_STACK

2017-04-07 08:58:35 +10:00

domain.c

+ Features

2017-09-23 05:33:29 -10:00

file.c

Revert "apparmor: add base infastructure for socket mediation"

2017-10-26 19:35:35 +02:00

ipc.c

apparmor: fix off-by-one comparison on MAXMAPPED_SIG

2017-11-08 10:56:22 -08:00

Kconfig

apparmor: add debug assert AA_BUG and Kconfig to control debug info

2017-01-16 01:18:24 -08:00

label.c

apparmor: fix incorrect type assignment when freeing proxies

2017-09-22 13:00:58 -07:00

lib.c

Revert "apparmor: add base infastructure for socket mediation"

2017-10-26 19:35:35 +02:00

lsm.c

Revert "apparmor: add base infastructure for socket mediation"

2017-10-26 19:35:35 +02:00

Makefile

License cleanup: add SPDX license identifiers to some files

2017-11-02 10:04:46 -07:00

match.c

doc: ReSTify apparmor.txt

2017-05-18 10:32:38 -06:00

mount.c

apparmor: add mount mediation

2017-09-22 13:00:57 -07:00

nulldfa.in

apparmor: add a default null dfa

2017-01-16 01:18:34 -08:00

path.c

apparmor: Move path lookup to using preallocated buffers

2017-06-08 11:29:34 -07:00

policy_ns.c

apparmor: ensure unconfined profiles have dfas initialized

2017-09-22 13:00:58 -07:00

policy_unpack.c

Revert "apparmor: add base infastructure for socket mediation"

2017-10-26 19:35:35 +02:00

policy.c

apparmor: fix race condition in null profile creation

2017-09-22 13:00:58 -07:00

procattr.c

apparmor: switch getprocattr to using label_print fns()

2017-06-10 17:11:39 -07:00

resource.c

apparmor: move resource checks to using labels

2017-06-10 17:11:40 -07:00

secid.c

apparmor: rename sid to secid

2017-01-16 00:42:17 -08:00