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Thu, 18 Dec 2025 08:22:45 -0800 (PST) Date: Thu, 18 Dec 2025 08:22:45 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69442a55.a70a0220.207337.00e6.GAE@google.com> Subject: [moderation/CI] Re: mm, hugetlb: implement movable_gigantic_pages sysctl From: syzbot ci To: syzkaller-upstream-moderation@googlegroups.com Cc: syzbot@lists.linux.dev Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable syzbot ci has tested the following series [v4] mm, hugetlb: implement movable_gigantic_pages sysctl https://lore.kernel.org/all/20251218151211.1237411-1-gourry@gourry.net * [PATCH v4] mm, hugetlb: implement movable_gigantic_pages sysctl and found the following issue: kernel build error Full report is available here: https://ci.syzbot.org/series/d52fdf02-5dcf-4301-a1cf-3f4ef9cfc4fc *** kernel build error tree: mm-new URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/akpm/mm= .git base: c642ecda5b136882e518d8303863473c0d21ab2f arch: amd64 compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp= 1~20250708183702.136), Debian LLD 20.1.8 config: https://ci.syzbot.org/builds/2bd0cdd1-8fa9-4367-a9fc-9255e4e05b9= 6/config mm/hugetlb.c:505:9: error: incomplete definition of type 'struct hugetlb_cg= roup' mm/hugetlb.c:506:19: error: incomplete definition of type 'struct hugetlb_c= group' mm/hugetlb.c:517:16: error: incomplete definition of type 'struct hugetlb_c= group' mm/hugetlb.c:587:39: error: incompatible pointer types passing 'struct huge= tlb_cgroup *' to parameter of type 'struct hugetlb_cgroup *' [-Werror,-Winc= ompatible-pointer-types] mm/hugetlb.c:646:26: error: incompatible pointer types passing 'struct huge= tlb_cgroup *' to parameter of type 'struct hugetlb_cgroup *' [-Werror,-Winc= ompatible-pointer-types] mm/hugetlb.c:659:16: error: incompatible pointer types passing 'struct huge= tlb_cgroup *' to parameter of type 'struct hugetlb_cgroup *' [-Werror,-Winc= ompatible-pointer-types] mm/hugetlb.c:776:45: error: incompatible pointer types passing 'struct huge= tlb_cgroup *' to parameter of type 'struct hugetlb_cgroup *' [-Werror,-Winc= ompatible-pointer-types] mm/hugetlb.c:909:4: error: call to undeclared function 'hugetlb_cgroup_unch= arge_file_region'; ISO C99 and later do not support implicit function decla= rations [-Wimplicit-function-declaration] mm/hugetlb.c:930:4: error: call to undeclared function 'hugetlb_cgroup_unch= arge_file_region'; ISO C99 and later do not support implicit function decla= rations [-Wimplicit-function-declaration] mm/hugetlb.c:938:4: error: call to undeclared function 'hugetlb_cgroup_unch= arge_file_region'; ISO C99 and later do not support implicit function decla= rations [-Wimplicit-function-declaration] mm/hugetlb.c:944:4: error: call to undeclared function 'hugetlb_cgroup_unch= arge_file_region'; ISO C99 and later do not support implicit function decla= rations [-Wimplicit-function-declaration] mm/hugetlb.c:1107:9: error: incomplete definition of type 'struct hugetlb_c= group' mm/hugetlb.c:1109:24: error: incomplete definition of type 'struct hugetlb_= cgroup' mm/hugetlb.c:1287:3: error: call to undeclared function 'resv_map_put_huget= lb_cgroup_uncharge_info'; ISO C99 and later do not support implicit functio= n declarations [-Wimplicit-function-declaration] mm/hugetlb.c:1479:18: error: call to undeclared function 'hugetlb_cgroup_fr= om_folio'; ISO C99 and later do not support implicit function declarations = [-Wimplicit-function-declaration] mm/hugetlb.c:1480:18: error: call to undeclared function 'hugetlb_cgroup_fr= om_folio_rsvd'; ISO C99 and later do not support implicit function declarat= ions [-Wimplicit-function-declaration] mm/hugetlb.c:1483:6: error: call to undeclared function 'hstate_is_gigantic= _no_runtime'; ISO C99 and later do not support implicit function declaratio= ns [-Wimplicit-function-declaration] mm/hugetlb.c:1545:6: error: call to undeclared function 'hstate_is_gigantic= _no_runtime'; ISO C99 and later do not support implicit function declaratio= ns [-Wimplicit-function-declaration] mm/hugetlb.c:1807:2: error: call to undeclared function 'hugetlb_cgroup_unc= harge_folio'; ISO C99 and later do not support implicit function declaratio= ns [-Wimplicit-function-declaration] *** If these findings have caused you to resend the series or submit a separate fix, please add the following tag to your commit message: Tested-by: syzbot@syzkaller.appspotmail.com --- This report is generated by a bot. It may contain errors. syzbot ci engineers can be reached at syzkaller@googlegroups.com. The email will later be sent to: [akpm@linux-foundation.org brauner@kernel.org corbet@lwn.net david@kernel.o= rg david@redhat.com gourry@gourry.net hannes@cmpxchg.org jack@suse.cz joel.= granados@kernel.org kernel-team@meta.com laoar.shao@gmail.com liam.howlett@= oracle.com linux-doc@vger.kernel.org linux-kernel@vger.kernel.org linux-mm@= kvack.org lorenzo.stoakes@oracle.com mclapinski@google.com mgorman@suse.de = mhocko@suse.com muchun.song@linux.dev osalvador@suse.de rientjes@google.com= rppt@kernel.org surenb@google.com vbabka@suse.cz] If the report looks fine to you, reply with: #syz upstream