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79e178a57d
- increase left match history buffer size to provide inproved conflict
resolution in overlapping execution rules.
- switch buffer allocation to use a memory pool and GFP_KERNEL
where possible.
- add compression of policy blobs to reduce memory usage.
+ Cleanups
- fix spelling mistake "immutible" -> "immutable"
+ Bug fixes
- fix unsigned len comparison in update_for_len macro
- fix sparse warning for type-casting of current->real_cred
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Merge tag 'apparmor-pr-2019-12-03' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor
Pull apparmor updates from John Johansen:
"Features:
- increase left match history buffer size to provide improved
conflict resolution in overlapping execution rules.
- switch buffer allocation to use a memory pool and GFP_KERNEL where
possible.
- add compression of policy blobs to reduce memory usage.
Cleanups:
- fix spelling mistake "immutible" -> "immutable"
Bug fixes:
- fix unsigned len comparison in update_for_len macro
- fix sparse warning for type-casting of current->real_cred"
* tag 'apparmor-pr-2019-12-03' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor:
apparmor: make it so work buffers can be allocated from atomic context
apparmor: reduce rcu_read_lock scope for aa_file_perm mediation
apparmor: fix wrong buffer allocation in aa_new_mount
apparmor: fix unsigned len comparison with less than zero
apparmor: increase left match history buffer size
apparmor: Switch to GFP_KERNEL where possible
apparmor: Use a memory pool instead per-CPU caches
apparmor: Force type-casting of current->real_cred
apparmor: fix spelling mistake "immutible" -> "immutable"
apparmor: fix blob compression when ns is forced on a policy load
apparmor: fix missing ZLIB defines
apparmor: fix blob compression build failure on ppc
apparmor: Initial implementation of raw policy blob compression
71 lines
2.3 KiB
Plaintext
71 lines
2.3 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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config SECURITY_APPARMOR
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bool "AppArmor support"
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depends on SECURITY && NET
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select AUDIT
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select SECURITY_PATH
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select SECURITYFS
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select SECURITY_NETWORK
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select ZLIB_INFLATE
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select ZLIB_DEFLATE
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default n
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help
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This enables the AppArmor security module.
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Required userspace tools (if they are not included in your
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distribution) and further information may be found at
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http://apparmor.wiki.kernel.org
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If you are unsure how to answer this question, answer N.
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config SECURITY_APPARMOR_HASH
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bool "Enable introspection of sha1 hashes for loaded profiles"
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depends on SECURITY_APPARMOR
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select CRYPTO
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select CRYPTO_SHA1
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default y
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help
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This option selects whether introspection of loaded policy
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is available to userspace via the apparmor filesystem.
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config SECURITY_APPARMOR_HASH_DEFAULT
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bool "Enable policy hash introspection by default"
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depends on SECURITY_APPARMOR_HASH
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default y
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help
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This option selects whether sha1 hashing of loaded policy
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is enabled by default. The generation of sha1 hashes for
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loaded policy provide system administrators a quick way
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to verify that policy in the kernel matches what is expected,
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however it can slow down policy load on some devices. In
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these cases policy hashing can be disabled by default and
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enabled only if needed.
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config SECURITY_APPARMOR_DEBUG
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bool "Build AppArmor with debug code"
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depends on SECURITY_APPARMOR
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default n
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help
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Build apparmor with debugging logic in apparmor. Not all
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debugging logic will necessarily be enabled. A submenu will
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provide fine grained control of the debug options that are
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available.
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config SECURITY_APPARMOR_DEBUG_ASSERTS
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bool "Build AppArmor with debugging asserts"
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depends on SECURITY_APPARMOR_DEBUG
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default y
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help
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Enable code assertions made with AA_BUG. These are primarily
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function entry preconditions but also exist at other key
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points. If the assert is triggered it will trigger a WARN
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message.
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config SECURITY_APPARMOR_DEBUG_MESSAGES
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bool "Debug messages enabled by default"
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depends on SECURITY_APPARMOR_DEBUG
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default n
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help
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Set the default value of the apparmor.debug kernel parameter.
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When enabled, various debug messages will be logged to
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the kernel message buffer.
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