Messages in this thread | | | Subject | Re: [PATCH] fs:Fix kmemleak leak warning in getname_flags about working on unitialized memory | From | Eric Sandeen <> | Date | Thu, 1 Sep 2016 08:10:44 -0500 |
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On 8/4/16 8:57 AM, Al Viro wrote:
> Don't feed the troll. On all paths leading to that place we have > result->name = kname; > len = strncpy_from_user(kname, filename, EMBEDDED_NAME_MAX); > or > result->name = kname; > len = strncpy_from_user(kname, filename, PATH_MAX); > with failure exits taken if strncpy_from_user() returns an error, which means > that the damn thing has already been copied into. > > FWIW, it looks a lot like buggered kmemcheck; as usual, he can't be bothered > to mention which kernel version would it be (let alone how to reproduce it > on the kernel in question), but IIRC davej had run into some instrumentation > breakage lately.
The original report is in https://bugzilla.kernel.org/show_bug.cgi?id=120651 if anyone is interested in it.
-Eric
> Again, don't feed the troll - you are only inviting an "improved" version > of that garbage, just as pointless.
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