mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-02 15:18:19 +00:00
lib/test_kmod.c: fix rmmod double free
commit 5618cf031f
upstream.
We free the misc device string twice on rmmod; fix this. Without this
we cannot remove the module without crashing.
Link: http://lkml.kernel.org/r/20181124050500.5257-1-mcgrof@kernel.org
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: <stable@vger.kernel.org> [4.12+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
d08c62878f
commit
397dbde614
1 changed files with 0 additions and 1 deletions
|
@ -1221,7 +1221,6 @@ void unregister_test_dev_kmod(struct kmod_test_device *test_dev)
|
||||||
|
|
||||||
dev_info(test_dev->dev, "removing interface\n");
|
dev_info(test_dev->dev, "removing interface\n");
|
||||||
misc_deregister(&test_dev->misc_dev);
|
misc_deregister(&test_dev->misc_dev);
|
||||||
kfree(&test_dev->misc_dev.name);
|
|
||||||
|
|
||||||
mutex_unlock(&test_dev->config_mutex);
|
mutex_unlock(&test_dev->config_mutex);
|
||||||
mutex_unlock(&test_dev->trigger_mutex);
|
mutex_unlock(&test_dev->trigger_mutex);
|
||||||
|
|
Loading…
Reference in a new issue