From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0529329A5 for ; Sat, 26 Oct 2024 05:18:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729919887; cv=none; b=um8O3+NxQKyjUezePZhlWj386LyuoqZ/8i0e8omuJWCkyqR3EykxqsjFttm7Xn2lQ6G0UpgisgeYm1yYeorAUZ5h0mtIC8rdEsvGgkb7Zy4i5KQmgGJSecEyAfk7+WuV0MMMTnQ0xsolsMr3y1uHYILmI0n4dFwPwSWFH/n2XVk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729919887; c=relaxed/simple; bh=ngRKkJ4pytcpnpGAkPgPEaoaIQV5Q7IksTlx7O1VnEs=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=MuV5hrPvoitgZCRrZkuI5V8nU5KkBGzcSc7Ei86y45/RB7CHiFNCuUiryr9Mv6bt5OZh1xTmtZcwMJei5OCj781OXpXQ8EV6yn89OLXIBhMN6Xug/hMOGyUwMQ2S31VRVOC9BCpBvlOuVqk5OyRtZZEY4FwV2hIt00Ed54uldU0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.200 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f200.google.com with SMTP id e9e14a558f8ab-3a3b506c87cso28173265ab.1 for ; Fri, 25 Oct 2024 22:18:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729919884; x=1730524684; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=ZqDaNDGJcPn0bYph8ZbOoP9Yyh7Atu0GA0pW2tEEQSI=; b=mDd23iDCytPOfRZL6pSK3lr/eT+8Vst+qtx/zcFz5/ayhPeIB3LBsAZzxQwqsuU1Wt R4EBCrTGy7fmHLzGYp6Zq5Vi3o4w3BhBJV81ZY67HPS/88VM6BGkNqHJSVsB5GH9N2lN PVA+Dzz42Gd1HTOaq4H89sQg0ohYOtNSjjBUFGfY0vgr/6ZFrr+CF9AJ7lBtEb5aJdzO TGOVLbvYRa3mBBzokn2Kkn7qi+Udcimq5xGGXRU5zZTODoJzM9jHkdHK5HJKlEFlFWZr WasJhWEiSm1qRbl7CTSEKr5/mu8GvQKTIkcazq8i4eJf1PsQZtKIokToDJZdt0gvRk9R KEiA== X-Forwarded-Encrypted: i=1; AJvYcCXLoHysGEld/oTVhT8KDrkbOpd4X7D+GwczN7oic/y7lvkFHMhlGbai/zo3oQhDCd4qC0c/zr1XCinj7QI=@vger.kernel.org X-Gm-Message-State: AOJu0YyayiagXqBOZCDwIgePUqifQNNTypFY61fHiEej40gSDWvRUDOR RxOrY5/KJt0y2h07xMrku3bIwSKABEAnSRrEXsBEctf/uo+CfDR1p83SnfplFcn6gs3/aVHkuOY KqC06c/8LhTorxffSci7Ykk1Nn3DXGXh0HIyIgxYNgBXbuRahV1SsXzY= X-Google-Smtp-Source: AGHT+IFrWN6OExWl9c9WsecoJ/yc8vL+8TWAluLrseqKhm4X6lE3JFHf2U/x2OY0AmN2rC7LOB1cOPqGMs7XdLzpJp/zKuMxmP0k Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:12e8:b0:3a4:ec57:d7c1 with SMTP id e9e14a558f8ab-3a4ed2f7184mr13925365ab.17.1729919884127; Fri, 25 Oct 2024 22:18:04 -0700 (PDT) Date: Fri, 25 Oct 2024 22:18:04 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <671c7b8c.050a0220.2fdf0c.0222.GAE@google.com> Subject: Re: [syzbot] [bcachefs?] INFO: task hung in bch2_journal_reclaim_thread (2) From: syzbot To: eadavis@qq.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: kernel BUG in bch2_fs_btree_cache_exit bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 10 bcachefs (loop0): unshutdown complete, journal seq 11 bcachefs (loop0): done going read-only, filesystem not clean bcachefs (loop0): shutdown complete ------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_cache.c:594! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 5815 Comm: syz-executor Not tainted 6.12.0-rc4-syzkaller-00261-g850925a8133c-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:bch2_fs_btree_cache_exit+0x1124/0x1130 fs/bcachefs/btree_cache.c:593 Code: fd 90 0f 0b e8 6d 46 84 fd 90 0f 0b e8 65 46 84 fd 90 0f 0b e8 5d 46 84 fd 90 0f 0b e8 55 46 84 fd 90 0f 0b e8 4d 46 84 fd 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90003717c40 EFLAGS: 00010293 RAX: ffffffff8410a3d3 RBX: 0000000000000002 RCX: ffff88802d6a9e00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: 1ffff11006350f16 R08: ffffffff84109a77 R09: 1ffff1100c0e03b6 R10: dffffc0000000000 R11: ffffed100c0e03b7 R12: ffff888060701c78 R13: ffff888060700000 R14: 0000000000000000 R15: dffffc0000000000 FS: 000055555b937500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe3b2944000 CR3: 000000002888e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __bch2_fs_free fs/bcachefs/super.c:556 [inline] bch2_fs_release+0x20e/0x7d0 fs/bcachefs/super.c:610 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x22f/0x480 lib/kobject.c:737 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe3bbb7f327 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd2b5b2c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe3bbb7f327 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b5b2d00 RBP: 00007ffd2b5b2d00 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd2b5b3d80 R13: 00007fe3bbbf0134 R14: 0000000000045d95 R15: 00007ffd2b5b3dc0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_fs_btree_cache_exit+0x1124/0x1130 fs/bcachefs/btree_cache.c:593 Code: fd 90 0f 0b e8 6d 46 84 fd 90 0f 0b e8 65 46 84 fd 90 0f 0b e8 5d 46 84 fd 90 0f 0b e8 55 46 84 fd 90 0f 0b e8 4d 46 84 fd 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90003717c40 EFLAGS: 00010293 RAX: ffffffff8410a3d3 RBX: 0000000000000002 RCX: ffff88802d6a9e00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: 1ffff11006350f16 R08: ffffffff84109a77 R09: 1ffff1100c0e03b6 R10: dffffc0000000000 R11: ffffed100c0e03b7 R12: ffff888060701c78 R13: ffff888060700000 R14: 0000000000000000 R15: dffffc0000000000 FS: 000055555b937500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c000d98000 CR3: 000000002888e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Tested on: commit: 850925a8 Merge tag '9p-for-6.12-rc5' of https://github.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=161704a7980000 kernel config: https://syzkaller.appspot.com/x/.config?x=41330fd2db03893d dashboard link: https://syzkaller.appspot.com/bug?extid=820dc3b465c69f766a57 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=113eaebb980000