From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4D374C433F5 for ; Thu, 21 Apr 2022 08:58:25 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id C35246B0071; Thu, 21 Apr 2022 04:58:24 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id BE5506B0073; Thu, 21 Apr 2022 04:58:24 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id AD4756B0074; Thu, 21 Apr 2022 04:58:24 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.hostedemail.com [64.99.140.26]) by kanga.kvack.org (Postfix) with ESMTP id A0F286B0071 for ; Thu, 21 Apr 2022 04:58:24 -0400 (EDT) Received: from smtpin01.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay13.hostedemail.com (Postfix) with ESMTP id 7883662889 for ; Thu, 21 Apr 2022 08:58:24 +0000 (UTC) X-FDA: 79380284928.01.0065D2A Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) by imf19.hostedemail.com (Postfix) with ESMTP id 125031A0018 for ; Thu, 21 Apr 2022 08:58:21 +0000 (UTC) Received: by mail-io1-f70.google.com with SMTP id g20-20020a056602151400b00654afb7ec5dso2874798iow.11 for ; Thu, 21 Apr 2022 01:58:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=hEgnTex8BYwpSBORN3EBim5ECJvWbtZDB9zT3ak4tmY=; b=LrQaradtcD4FjJqEZZ05R/0+GoKDt394DyxZ3v+YKYQ5T8pU5cys+pvzxjgP+qOFj2 oaQfDEgYo0lP48O28CyrRaUvtUQr3CNvAs7+aTrmr0M/PDvPQSObPzkjQq7nKObDy/wB 9Wwb82KhQ/lRJvyhN4va6MTdLcfTGLfkijMhTy7RPrhIpOJyJrV8NJSWm609yx2Zi4nR gLd7g6VYlBUPJM3OnBF2O8gFBDCMO3VHpSZyROPGXvgcPvUd4+zO/ClYEIgh9f2g/XYN KCsoGTgpv3GcNjXqgaP6zXhDanIFy15hZxQVS7INek4iXSMvIEHzy4F4MGodIrnpqG/1 ad9Q== X-Gm-Message-State: AOAM531/t+kI1hZcJwHJnW8nBjvbxTHUZcplwyDg1UJKfV7sIsrBefr7 EueSTfqGC4Ouo/vtBd+wEnUl95useDImvveGqMrzkldwrLYr X-Google-Smtp-Source: ABdhPJyG5iLq37s+N8SpmzvgequCMu6ImAX2ZQulPyJoky5vOtW7ENqmAIGRWKzAJkKWOaGrCREkN9xjcvb8Gw41AlMSrenQ4X9M MIME-Version: 1.0 X-Received: by 2002:a05:6602:2dcf:b0:656:d2f8:9dee with SMTP id l15-20020a0566022dcf00b00656d2f89deemr3420087iow.29.1650531503466; Thu, 21 Apr 2022 01:58:23 -0700 (PDT) Date: Thu, 21 Apr 2022 01:58:23 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f46c6305dd264f30@google.com> Subject: [syzbot] WARNING in __kfence_free From: syzbot To: akpm@linux-foundation.org, dvyukov@google.com, elver@google.com, glider@google.com, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Rspam-User: X-Rspamd-Queue-Id: 125031A0018 X-Stat-Signature: gtpqjj79zn6zwb9ybeixd76pwyq166i6 Authentication-Results: imf19.hostedemail.com; dkim=none; spf=pass (imf19.hostedemail.com: domain of 3rxxhYgkbAIY289ukvvo1kzzsn.qyyqvo42o1myx3ox3.myw@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.70 as permitted sender) smtp.mailfrom=3rxxhYgkbAIY289ukvvo1kzzsn.qyyqvo42o1myx3ox3.myw@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none) X-Rspamd-Server: rspam01 X-HE-Tag: 1650531501-526958 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: Hello, syzbot found the following issue on: HEAD commit: 559089e0a93d vmalloc: replace VM_NO_HUGE_VMAP with VM_ALLO.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10853220f00000 kernel config: https://syzkaller.appspot.com/x/.config?x=2e1f9b9947966f42 dashboard link: https://syzkaller.appspot.com/bug?extid=ffe71f1ff7f8061bcc98 compiler: aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm64 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+ffe71f1ff7f8061bcc98@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 2216 at mm/kfence/core.c:1022 __kfence_free+0x84/0xc0 mm/kfence/core.c:1022 Modules linked in: CPU: 0 PID: 2216 Comm: syz-executor.0 Not tainted 5.18.0-rc3-syzkaller-00007-g559089e0a93d #0 Hardware name: linux,dummy-virt (DT) pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __kfence_free+0x84/0xc0 mm/kfence/core.c:1022 lr : kfence_free include/linux/kfence.h:186 [inline] lr : __slab_free+0x2e4/0x4d4 mm/slub.c:3315 sp : ffff80000a9fb980 x29: ffff80000a9fb980 x28: ffff80000a280040 x27: f2ff000002c01c00 x26: ffff00007b694040 x25: ffff00007b694000 x24: 0000000000000001 x23: ffff00007b694000 x22: ffff00007b694000 x21: f2ff000002c01c00 x20: ffff80000821accc x19: fffffc0001eda500 x18: 0000000000000002 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000001 x13: 000000000005eb7f x12: f7ff000007a08024 x11: f7ff000007a08000 x10: 0000000000000000 x9 : 0000000000000014 x8 : 0000000000000001 x7 : 0000000000094000 x6 : ffff80000a280000 x5 : ffff80000821accc x4 : ffff80000a50e078 x3 : ffff80000a280348 x2 : f0ff00001e325c00 x1 : ffff80000a522b40 x0 : ffff00007b694000 Call trace: __kfence_free+0x84/0xc0 mm/kfence/core.c:1022 kfence_free include/linux/kfence.h:186 [inline] __slab_free+0x2e4/0x4d4 mm/slub.c:3315 do_slab_free mm/slub.c:3498 [inline] slab_free mm/slub.c:3511 [inline] kfree+0x320/0x37c mm/slub.c:4552 kvfree+0x3c/0x50 mm/util.c:615 xt_free_table_info+0x78/0x90 net/netfilter/x_tables.c:1212 __do_replace+0x240/0x330 net/ipv6/netfilter/ip6_tables.c:1104 do_replace net/ipv6/netfilter/ip6_tables.c:1157 [inline] do_ip6t_set_ctl+0x374/0x4e0 net/ipv6/netfilter/ip6_tables.c:1639 nf_setsockopt+0x68/0x94 net/netfilter/nf_sockopt.c:101 ipv6_setsockopt+0xa8/0x220 net/ipv6/ipv6_sockglue.c:1026 tcp_setsockopt+0x38/0xdb4 net/ipv4/tcp.c:3696 sock_common_setsockopt+0x1c/0x30 net/core/sock.c:3505 __sys_setsockopt+0xa0/0x1c0 net/socket.c:2180 __do_sys_setsockopt net/socket.c:2191 [inline] __se_sys_setsockopt net/socket.c:2188 [inline] __arm64_sys_setsockopt+0x2c/0x40 net/socket.c:2188 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x48/0x114 arch/arm64/kernel/syscall.c:52 el0_svc_common.constprop.0+0x44/0xec arch/arm64/kernel/syscall.c:142 do_el0_svc+0x6c/0x84 arch/arm64/kernel/syscall.c:181 el0_svc+0x44/0xb0 arch/arm64/kernel/entry-common.c:616 el0t_64_sync_handler+0x1a4/0x1b0 arch/arm64/kernel/entry-common.c:634 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:581 ---[ end trace 0000000000000000 ]--- --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.