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b=IEPPxBuZeQAaoWrm0Q/0yacJ6g8aW1SaVBpZxnVfWGy+98v4PpmapYdHzAUnOPgb/ 9A1htMHuYPV1C47RCzZ5adWPCVUaNSmY3Dq26rpXwBiBP4KkmTg3mE5ocLIJJKeV8c ccUksZFyagWuncViM/Edd04a7N2s7a33xzRZTVSUOX/ovxbsMMjaSDIiEyRCjN+/pA xEH0yu19hHsYXNuDX9zModUUvano+eQfwho4D9p51O0iwKavo5DFq9ip8BZBies1t8 Y6zAdUcX0Pc9r3Gqu3+mYqEvOlTMA6s7H2VIOWmWN4gQeANNFqJPLCqgyynoFVU5n7 jNxA3pGCMQITA== From: Pratyush Yadav To: Andrew Morton Cc: Dan Carpenter , oe-kbuild@lists.linux.dev, Pasha Tatashin , lkp@intel.com, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Linux Memory Management List , Jason Gunthorpe , "Mike Rapoport (Microsoft)" Subject: Re: kernel/liveupdate/kexec_handover.c:994 kho_preserve_vmalloc() warn: missing error code 'err' In-Reply-To: <20260121123922.c0bb0ef8505c70b99998c324@linux-foundation.org> (Andrew Morton's message of "Wed, 21 Jan 2026 12:39:22 -0800") References: <202601211636.IRaejjdw-lkp@intel.com> <20260121123922.c0bb0ef8505c70b99998c324@linux-foundation.org> Date: Thu, 22 Jan 2026 10:30:49 +0000 Message-ID: <2vxzh5seaqhy.fsf@kernel.org> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-Stat-Signature: 791hc55ffigi865eupikocaaet7zp66k X-Rspamd-Queue-Id: C7C8C140013 X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1769077853-247676 X-HE-Meta: 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 a4dULmbC Mqthhg4EUELaqKN6JWsRSxIJBBJlgu8WAbiA5XHx6QS97EoRoh0p4kUDSvQ2BATkYDSwcND+yJSMDwPOcEfUfwztElmO0s9dK1nDLY61xz7ucp082Y2VS2W0H7dxhCnc85B1RJgn/5yjK7lZcc8cetOjUSAAGAGeG+XofylZ2Iwjmlv3ZirgT41iCc+3Uea16B96hviY408IqqtjHYZ5I1SnnXxtYFmzjOYrTV4h5n6GHLk8wTSV3Lh9ZwsD3eS/Osp93q1vySsbfYeBxT7Pv1MhhvajY4uRTsd8BuoBg9WKn9ssQ4ANpgTDfCE1hYeQdY70B84L5aO/KCVKuGM1mphq/f/pgdqXBKDPEU4ouZebLc+Bf4R62lAmqohrGh1Woc3BoDoJ47qrg96NKjl+Ujnnei6sZlQgPCchFTUbMnWRqY3UPOsZi4hOawjFwOvkr/RMqopIe1i8PNphi6OrhjBdSoQ== 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: List-Subscribe: List-Unsubscribe: On Wed, Jan 21 2026, Andrew Morton wrote: > On Wed, 21 Jan 2026 11:58:20 +0300 Dan Carpenter wrote: > >> Hi Pasha, >> >> First bad commit (maybe != root cause): >> >> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master >> head: 6c790212c588fddeb0d852f2790840753bb604b1 >> commit: 48a1b2321d763b5edeaf20bd4576d8c4b5df772b liveupdate: kho: move to kernel/liveupdate >> config: x86_64-randconfig-r071-20260121 (https://download.01.org/0day-ci/archive/20260121/202601211636.IRaejjdw-lkp@intel.com/config) >> compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) >> rustc: rustc 1.88.0 (6b00bc388 2025-06-23) >> smatch version: v0.5.0-8985-g2614ff1a >> >> If you fix the issue in a separate patch/commit (i.e. not just a new version of >> the same patch/commit), kindly add following tags >> | Reported-by: kernel test robot >> | Reported-by: Dan Carpenter >> | Closes: https://lore.kernel.org/r/202601211636.IRaejjdw-lkp@intel.com/ >> >> smatch warnings: >> kernel/liveupdate/kexec_handover.c:994 kho_preserve_vmalloc() warn: missing error code 'err' > > Indeed, thanks. > > > From: Andrew Morton > Subject: kho: kho_preserve_vmalloc(): don't return 0 when ENOMEM > Date: Wed Jan 21 12:36:17 PM PST 2026 > > kho_preserve_vmalloc() should return -ENOMEM when new_vmalloc_chunk() > fails. Thanks! Reviewed-by: Pratyush Yadav [...] -- Regards, Pratyush Yadav