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linux-stable/net/netlabel
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Jakub Kicinski 9c5d03d362 genetlink: start to validate reserved header bytes 
We had historically not checked that genlmsghdr.reserved
is 0 on input which prevents us from using those precious
bytes in the future.

One use case would be to extend the cmd field, which is
currently just 8 bits wide and 256 is not a lot of commands
for some core families.

To make sure that new families do the right thing by default
put the onus of opting out of validation on existing families.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Paul Moore <paul@paul-moore.com> (NetLabel)
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-08-29 12:47:15 +01:00
..
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
netlabel_addrlist.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
netlabel_addrlist.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
netlabel_calipso.c genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
netlabel_calipso.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
netlabel_cipso_v4.c genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
netlabel_cipso_v4.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
netlabel_domainhash.c netlabel: Fix spelling mistakes 2021-06-07 14:08:30 -07:00
netlabel_domainhash.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
netlabel_kapi.c netlabel: fix out-of-bounds memory accesses 2022-03-21 10:59:11 +00:00
netlabel_mgmt.c genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
netlabel_mgmt.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
netlabel_unlabeled.c genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
netlabel_unlabeled.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
netlabel_user.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
netlabel_user.h lsm: security_task_getsecid_subj() -> security_current_getsecid_subj() 2021-11-22 17:52:47 -05:00