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 X-Spam-Level: X-Spam-Status: No, score=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 689D3C4346E for ; Thu, 24 Sep 2020 09:27:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1CCE22311A for ; Thu, 24 Sep 2020 09:27:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726393AbgIXJ1o (ORCPT ); Thu, 24 Sep 2020 05:27:44 -0400 Received: from mail-il1-f207.google.com ([209.85.166.207]:49377 "EHLO mail-il1-f207.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727729AbgIXJ11 (ORCPT ); Thu, 24 Sep 2020 05:27:27 -0400 Received: by mail-il1-f207.google.com with SMTP id o18so1494354ilm.16 for ; Thu, 24 Sep 2020 02:27:26 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=OaKfqdE7CLZushADhNNBSnZh3AuMO8V3gSaW07XV6g8=; b=TzxVBJu9QGWlqRIOY+8j5MsKkO2mChtCUBHoRqwToA1FhoghTYExfOySZFpmjNjel6 EBghzb1kdYdJ2W/llunY3cXF3Ci+kOLKlGCYQU+Mv40TeeKA9r4+oUvrXH6fic4co+fV DU2bp40b15sNcKGJkGHEl64uJc7iRUuZ3rcfiC12fG82VA5dcjyJp/ikCnRWdiN2Y8xl xYWq+6UoFYU4f0h5bnDE7rH9vZwYJ5CIHhdBgWPmiVDY47ORpAOvx/G579chqG59oa/H 748PorCXW8I594Dxi7unKko62vJsoMaujUEDMaQr9eqboKR7z4CYyciYEpPvMm8lZEaO 2L3Q== X-Gm-Message-State: AOAM533smPd9Bl4n2fv8lmJ+GFOhbnkmw29ndm4jb7g6U9BxzH3BZmog ZOb15QaTKByOit7C1AxTtUDTod5HxDjCZVjsJUQuQfmelmpn X-Google-Smtp-Source: ABdhPJx5Nb7P3J812ECVfEozTzbOuutEBwKKaino3Jf2oTOQ+Ktj694gRIJpEOOgKhQWGJm7jzil1V9rdpQEchHsN1W3c4nCmUQ4 MIME-Version: 1.0 X-Received: by 2002:a05:6e02:e0a:: with SMTP id a10mr3418632ilk.113.1600939646242; Thu, 24 Sep 2020 02:27:26 -0700 (PDT) Date: Thu, 24 Sep 2020 02:27:26 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ebd6da05b00bcea6@google.com> Subject: WARNING in reiserfs_put_super From: syzbot To: jack@suse.cz, jeffm@suse.com, linux-kernel@vger.kernel.org, reiserfs-devel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 98477740 Merge branch 'rcu/urgent' of git://git.kernel.org.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=154f348d900000 kernel config: https://syzkaller.appspot.com/x/.config?x=5f4c828c9e3cef97 dashboard link: https://syzkaller.appspot.com/bug?extid=fcdd69a8426baab36109 compiler: gcc (GCC) 10.1.0-syz 20200507 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+fcdd69a8426baab36109@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6884 at kernel/workqueue.c:4393 destroy_workqueue.cold+0x5/0x76 kernel/workqueue.c:4393 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 6884 Comm: syz-executor.3 Not tainted 5.9.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x198/0x1fd lib/dump_stack.c:118 panic+0x382/0x7fb kernel/panic.c:231 __warn.cold+0x20/0x4b kernel/panic.c:600 report_bug+0x1bd/0x210 lib/bug.c:198 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 RIP: 0010:destroy_workqueue.cold+0x5/0x76 kernel/workqueue.c:4393 Code: 00 0b 8b 88 f7 f1 89 c6 e8 1d f3 10 00 c6 44 24 37 01 e9 af ae ff ff 48 c7 c7 80 e1 e0 89 e8 88 b9 68 00 eb c2 e8 01 ea 27 00 <0f> 0b 48 c7 c6 00 10 8b 88 48 c7 c7 40 0b 8b 88 49 8d 96 60 01 00 RSP: 0018:ffffc90005687cd0 EFLAGS: 00010093 RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffffffff814e0963 RDX: ffff888059c70380 RSI: ffffffff814e543f RDI: 0000000000000005 RBP: 000000000000000f R08: 0000000000000001 R09: 0000000000000003 R10: 0000000000000001 R11: 0000000000000000 R12: dffffc0000000000 R13: ffffe8ffffcdc000 R14: ffff8880a6506000 R15: 0000000000000000 reiserfs_put_super+0x234/0x5c0 fs/reiserfs/super.c:631 generic_shutdown_super+0x144/0x370 fs/super.c:464 kill_block_super+0x97/0xf0 fs/super.c:1444 deactivate_locked_super+0x94/0x160 fs/super.c:335 deactivate_super+0xad/0xd0 fs/super.c:366 cleanup_mnt+0x3a3/0x530 fs/namespace.c:1118 task_work_run+0xdd/0x190 kernel/task_work.c:141 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:165 [inline] exit_to_user_mode_prepare+0x1e1/0x200 kernel/entry/common.c:192 syscall_exit_to_user_mode+0x7e/0x2e0 kernel/entry/common.c:267 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x460ba7 Code: 64 89 04 25 d0 02 00 00 58 5f ff d0 48 89 c7 e8 2f be ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 dd 87 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffc99c1e078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000460ba7 RDX: 00000000004031b8 RSI: 0000000000000002 RDI: 00007ffc99c1e120 RBP: 00000000000006e1 R08: 0000000000000000 R09: 000000000000000b R10: 0000000000000005 R11: 0000000000000246 R12: 00007ffc99c1f1b0 R13: 000000000215fa60 R14: 0000000000000000 R15: 00007ffc99c1f1b0 ====================================================== --- This report is generated by a bot. 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