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livepatch: RCU protect struct klp_func all the time when used in klp_ftrace_handler()
authorPetr Mladek <pmladek@suse.cz>
Wed, 18 Feb 2015 17:02:13 +0000 (18:02 +0100)
committerJiri Kosina <jkosina@suse.cz>
Sun, 22 Feb 2015 22:02:56 +0000 (23:02 +0100)
commitc4ce0da8ec62d83c96e29db7dadd6d3985344bb3
tree1e7f1cc23c34e21a0238926df348a1d22f4f0ccatree | snapshot (tar.gz zip)
parente0b561ee78d82a4cc7792aa28fa4b1ea15325dcccommit | diff
livepatch: RCU protect struct klp_func all the time when used in klp_ftrace_handler()

func->new_func has been accessed after rcu_read_unlock() in klp_ftrace_handler()
and therefore the access was not protected.

Signed-off-by: Petr Mladek <pmladek@suse.cz>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
kernel/livepatch/core.c diff | blob | blame | history