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.pat... and later at http://ozlabs.org/~akpm/mmotm/broken-out/test_kmod-fix-rmmod-double-free.pat...
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------------------------------------------------------ From: Luis Chamberlain mcgrof@kernel.org 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@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 ---
--- 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@kernel.org are
maintainers-update-name-change-for-myself.patch test_kmod-fix-rmmod-double-free.patch