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. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>