Messages in this thread | | | Subject | Re: mm: LTP/memcg testcase regression induced by 8cd7c588decf..66ce520bb7c2 series | From | Mike Galbraith <> | Date | Mon, 22 Nov 2021 08:41:08 +0100 |
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On Mon, 2021-11-22 at 07:46 +0100, Mike Galbraith wrote: > > #-------------------------------------------------------------------- > ------- > # Bug: The bug was, while forking mass processes, trigger > memcgroup OOM, > # then NULL pointer dereference may be hit. > # Kernel: 2.6.25-rcX > # Links: http://lkml.org/lkml/2008/4/14/38 > # Fix: commit e115f2d89253490fb2dbf304b627f8d908df26f1 > #-------------------------------------------------------------------- > ------- > test_1() > { > mkdir memcg/0/ > echo 0 > memcg/0/memory.limit_in_bytes > > ./memcg_test_1 > > rmdir memcg/0/ > > check_kernel_bug > if [ $? -eq 1 ]; then > tst_resm TPASS "no kernel bug was found" > fi > } > > > I'm gonna just comment the little bugger out as obsolete and walk > away.
test2() and test3() then pass, but test_4() hangs, and looks like it should not, so...
-Mike
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