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bh=ao4ZTyLFQER6FOusfpBp1QZgnuC0RebzWTieewGKCy0=; b=Kfq03Fhc5OPkEx4IRb2s/f1plL+k2fCS3ohYAZvzC80tIV8HnqyUqM9teNjuC168araFhw K0xUPNrvQvY+h3gl3eKtHN1ooiXWTN86h1M7JQfLhKFo2gFmGEwooI8I0y41ST3D+m9LGS 9lazr5xtTWxCOslkPz4RdEV37WlsCGg= Date: Sun, 29 Jan 2023 22:11:31 +0100 From: Borislav Petkov To: Andrew Morton Cc: Linux regressions mailing list , Mirsad Goran Todorovac , Vlastimil Babka , Alexander Potapenko , Marco Elver , Dmitry Vyukov , linux-mm , lkml , Zhaoyang Huang Subject: Re: Failure during Stack Depot allocating hash table of 1048576 entries with kvcalloc Message-ID: References: <07e42002-e78d-7947-19a7-0dd035466f50@alu.unizg.hr> <20230129125014.fcd459335c9b8eae71067c1a@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20230129125014.fcd459335c9b8eae71067c1a@linux-foundation.org> X-Rspam-User: X-Rspamd-Server: rspam03 X-Stat-Signature: rn337dq95nscz4s9ea8akr7b6s7bpue7 X-Rspamd-Queue-Id: 126EE20010 X-HE-Tag: 1675026698-616189 X-HE-Meta: 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 an5DhJdS QinUHvzpb1FJYa/0dJ2JBvQkOi+i0fcczUyxEgErXYDaFFCe5hyjrhBAavwEwNTf89vUR+bEowbRGECd4f8yYYl34DqinrdiMvxFHZJAw8yi3WGpt0EfnaOIOfxbcsG4MkiSz7qDFUo8L/vw98Jkj7NLL6hzvzsOFjvx017QHP1Or3sDrayhnSy7/qdrax0nOy81JapGDqYK6KC8= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Sun, Jan 29, 2023 at 12:50:14PM -0800, Andrew Morton wrote: > OK, thanks, I didn't realize this issue was so serious. Yeah, I wouldn't call it serious - as a precondition, you need KMEMLEAK enabled which probably shouldn't be run in production. For some reason it was enabled in that test box's config - that's how I even saw this in the first place... -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette