linux/security/integrity
Madhuparna Bhowmik 770f60586d evm: Fix RCU list related warnings
This patch fixes the following warning and few other instances of
traversal of evm_config_xattrnames list:

[   32.848432] =============================
[   32.848707] WARNING: suspicious RCU usage
[   32.848966] 5.7.0-rc1-00006-ga8d5875ce5f0b #1 Not tainted
[   32.849308] -----------------------------
[   32.849567] security/integrity/evm/evm_main.c:231 RCU-list traversed in non-reader section!!

Since entries are only added to the list and never deleted, use
list_for_each_entry_lockless() instead of list_for_each_entry_rcu for
traversing the list.  Also, add a relevant comment in evm_secfs.c to
indicate this fact.

Reported-by: kernel test robot <lkp@intel.com>
Suggested-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com>
Acked-by: Paul E. McKenney <paulmck@kernel.org> (RCU viewpoint)
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
2020-05-07 21:36:32 -04:00
..
evm evm: Fix RCU list related warnings 2020-05-07 21:36:32 -04:00
ima ima: Fix return value of ima_write_policy() 2020-05-07 21:36:31 -04:00
platform_certs EFI updates for v5.7: 2020-02-26 15:21:22 +01:00
digsig_asymmetric.c integrity: Remove duplicate pr_fmt definitions 2020-02-28 14:32:58 -05:00
digsig.c integrity: Remove duplicate pr_fmt definitions 2020-02-28 14:32:58 -05:00
iint.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
integrity_audit.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
integrity.h integrity: Remove duplicate pr_fmt definitions 2020-02-28 14:32:58 -05:00
Kconfig powerpc: Load firmware trusted keys/hashes into kernel keyring 2019-11-13 00:33:23 +11:00
Makefile powerpc: Load firmware trusted keys/hashes into kernel keyring 2019-11-13 00:33:23 +11:00