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Mon, 01 Sep 2025 07:00:59 -0700 (PDT) Date: Mon, 01 Sep 2025 07:00:59 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68b5a71b.a00a0220.1337b0.0041.GAE@google.com> Subject: [moderation/CI] Re: maple_tree: slub sheaves conversion 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 [v1] maple_tree: slub sheaves conversion https://lore.kernel.org/all/20250901-maple-sheaves-v1-0-d6a1166b53f2@suse.c= z * [PATCH 01/12] maple_tree: Fix check_bulk_rebalance() test locks * [PATCH 02/12] tools: Add testing support for changes to slab for sheaves * [PATCH 03/12] maple_tree: use percpu sheaves for maple_node_cache * [PATCH 04/12] tools/testing: include maple-shared.h in maple.c * [PATCH 05/12] tools/testing/vma: Implement vm_refcnt reset * [PATCH 06/12] testing/radix-tree/maple: Hack around kfree_rcu not existin= g * [PATCH 07/12] maple_tree: Use kfree_rcu in ma_free_rcu * [PATCH 08/12] maple_tree: Replace mt_free_one() with kfree() * [PATCH 09/12] tools: Add sheaf to slab testing * [PATCH 10/12] maple_tree: Sheaf conversion and testing * [PATCH 11/12] maple_tree: Add single node allocation support to maple sta= te * [PATCH 12/12] maple_tree: Convert forking to use the sheaf interface and found the following issue: kernel build error Full report is available here: https://ci.syzbot.org/series/2a1e0d7a-ef70-4790-b17b-96cfb28773a8 *** kernel build error tree: torvalds URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvald= s/linux base: fab1beda7597fac1cecc01707d55eadb6bbe773c 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/b298f8fc-56f8-4f17-a3c2-cefc933efad= 8/config lib/maple_tree.c:191:2: error: call to undeclared function 'kmem_cache_retu= rn_sheaf'; ISO C99 and later do not support implicit function declarations = [-Wimplicit-function-declaration] lib/maple_tree.c:196:9: error: call to undeclared function 'kmem_cache_pref= ill_sheaf'; ISO C99 and later do not support implicit function declarations= [-Wimplicit-function-declaration] lib/maple_tree.c:196:9: error: incompatible integer to pointer conversion r= eturning 'int' from a function with result type 'struct slab_sheaf *' [-Win= t-conversion] lib/maple_tree.c:202:9: error: call to undeclared function 'kmem_cache_refi= ll_sheaf'; ISO C99 and later do not support implicit function declarations = [-Wimplicit-function-declaration] lib/maple_tree.c:1111:8: error: call to undeclared function 'kmem_cache_all= oc_from_sheaf'; ISO C99 and later do not support implicit function declarat= ions [-Wimplicit-function-declaration] lib/maple_tree.c:1111:6: error: incompatible integer to pointer conversion = assigning to 'struct maple_node *' from 'int' [-Wint-conversion] lib/maple_tree.c:1153:6: error: call to undeclared function 'kmem_cache_she= af_size'; ISO C99 and later do not support implicit function declarations [= -Wimplicit-function-declaration] lib/maple_tree.c:6133:4: error: field designator 'sheaf_capacity' does not = refer to any field in type 'struct kmem_cache_args' *** 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 harry.yoo@oracle.com jannh@google.com liam.howle= tt@oracle.com linux-fsdevel@vger.kernel.org linux-kernel@vger.kernel.org li= nux-mm@kvack.org lorenzo.stoakes@oracle.com maple-tree@lists.infradead.org = pfalcato@suse.de surenb@google.com vbabka@suse.cz willy@infradead.org] If the report looks fine to you, reply with: #syz upstream