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13 June 2022, 11:31:42 UTC
Revision fcf3a5b62f431ce9feeac73afbe128b7b6395dbc authored by Catalin Marinas on 13 August 2019, 22:37:34 UTC, committed by Linus Torvalds on 13 August 2019, 23:06:52 UTC 
mm: kmemleak: disable early logging in case of error
 
If an error occurs during kmemleak_init() (e.g.  kmem cache cannot be
created), kmemleak is disabled but kmemleak_early_log remains enabled.
Subsequently, when the .init.text section is freed, the log_early()
function no longer exists.  To avoid a page fault in such scenario,
ensure that kmemleak_disable() also disables early logging.

Link: http://lkml.kernel.org/r/20190731152302.42073-1-catalin.marinas@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reported-by: Qian Cai <cai@lca.pw>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent 5336e52
History
Tip revision: fcf3a5b62f431ce9feeac73afbe128b7b6395dbc authored by Catalin Marinas on 13 August 2019, 22:37:34 UTC
mm: kmemleak: disable early logging in case of error
Tip revision: fcf3a5b
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.clang-format -rw-r--r-- 14.6 KB
.cocciconfig -rw-r--r-- 59 bytes
.get_maintainer.ignore -rw-r--r-- 71 bytes
.gitattributes -rw-r--r-- 30 bytes
.gitignore -rw-r--r-- 1.7 KB
.mailmap -rw-r--r-- 12.2 KB
COPYING -rw-r--r-- 423 bytes
CREDITS -rw-r--r-- 97.1 KB
Kbuild -rw-r--r-- 1.5 KB
Kconfig -rw-r--r-- 595 bytes
MAINTAINERS -rw-r--r-- 510.2 KB
Makefile -rw-r--r-- 59.7 KB
README -rw-r--r-- 727 bytes

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