The patch titled
Subject: lib/test_kmod.c: fix rmmod double free
has been added to the -mm tree. Its filename is
test_kmod-fix-rmmod-double-free.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/test_kmod-fix-rmmod-double-free.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/test_kmod-fix-rmmod-double-free.patch
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------------------------------------------------------
From: Luis Chamberlain <mcgrof@xxxxxxxxxx>
Subject: lib/test_kmod.c: fix rmmod double free
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@xxxxxxxxxx
Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx> [4.12+]
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/lib/test_kmod.c~test_kmod-fix-rmmod-double-free
+++ a/lib/test_kmod.c
@@ -1214,7 +1214,6 @@ void unregister_test_dev_kmod(struct kmo
dev_info(test_dev->dev, "removing interface\n");
misc_deregister(&test_dev->misc_dev);
- kfree(&test_dev->misc_dev.name);
mutex_unlock(&test_dev->config_mutex);
mutex_unlock(&test_dev->trigger_mutex);
_
Patches currently in -mm which might be from mcgrof@xxxxxxxxxx are
maintainers-update-name-change-for-myself.patch
test_kmod-fix-rmmod-double-free.patch
