From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f206.google.com (mail-il1-f206.google.com [209.85.166.206]) (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 D26F61EC01F for ; Thu, 20 Feb 2025 22:35:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.206 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740090924; cv=none; b=LELB4TScuY1fPCxE59soLIj7ZtCwKtJDQqAnY3I1qVH6m/2OyDT75xN7GfJOI9xS/Ve5HHGLjWg0XRbTocEgIOSqmwGUtpuxKjgKDfHw0TY7YO9kKhCM4fKfMqJCjdJQk0UtTZrfD5j3QzQxSIlqtacTLjSN/+mY2FBL0nPoa/w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740090924; c=relaxed/simple; bh=ijyk55lzWg3n7ZFF/gLcubHcBhqTDuRhqm7w/8th/sY=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=moOIpXGcpJEZzwuIfPKlziNCJOAi3E71lES5TTCkxkk44DaqCS+ZQ4rCjhzC/j6hIQZIN0fs8eD0Dzd2m1ciGoMafBSwaPERpgMGclV+Hj3mnn5T1UWcfpLnRAAZPnurvrOApJ2rMLujQYfSA8yRM0iX3AoQu66o9MVSkX6+LPA= 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=209.85.166.206 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-f206.google.com with SMTP id e9e14a558f8ab-3d05b1ae6e3so11216905ab.0 for ; Thu, 20 Feb 2025 14:35:22 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740090922; x=1740695722; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=agDK5+Zl3GX3F7Oz3wf5K6RpdvFWW71K4VMoRjwWLn8=; b=tRWpgZ6UzDRVVJDRGEmhpVQE+UnNqzIKwbp6v5vypd5FMysvzHHez/B9HGeu7yE9Rk OW4CJE7qg9mNXtYwi6zTtXvk0Ry0AfOHxOPOYrGHczTu0yZDf0rvp9iwDt4XvHY2wzyS TVokHdsM/XbfqT+wVpMK6gACJMOVSsY63rsFlsu94Q/EpBLeqKG7PrMi5u9zoqibK8cO hhBiQDt8JTDPqQtnO8QyE/27ToQWIdej1tCQovg8iy5LBvP43TC0M7DXd2/9KInAkB2D kVhXkhT4wf0CNyYSWJS2V/QpeJonCwZWZW4MZ1I6qmvr1ZCDLRWvOPN2aqQ+znSbuyxu DWig== X-Forwarded-Encrypted: i=1; AJvYcCVTsihTN8Xfh2nn58Cbf/jByJX/qGG3km7OAtcgrhflI+Hlf2ENxmRRjN7PuLc8Q+kQWIcn@lists.linux.dev X-Gm-Message-State: AOJu0Yw+nc2Mo9f3uKtm38Bl5fIasTX2J+f/7awPT1mnrqQUfRmpUgjW Qwx6qZU6hjJaIlt3/ijn5hH6TKN/UWRYXeZ+dKjVywO0xhnL00fHIkqwFGXfPqXHZr5p8S5jnAo f4FQpKPiEfq38YUY/a6/9pksGzclfuH7qxoNn4vdBI6vgb8SfWtOQ1/Y= X-Google-Smtp-Source: AGHT+IEa8zH0Ykopx2dMK9O3dXzWmjTCoQDWu02Zj0nAj72YFDq2FB7nf11xVrWGt5DWX+JQwbj2gUV8cc8FAINOtb6LV4LiXytW Precedence: bulk X-Mailing-List: gfs2@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:3d83:b0:3d0:1db8:e824 with SMTP id e9e14a558f8ab-3d2cae69873mr8607965ab.10.1740090921992; Thu, 20 Feb 2025 14:35:21 -0800 (PST) Date: Thu, 20 Feb 2025 14:35:21 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67b7ae29.050a0220.14d86d.02fe.GAE@google.com> Subject: [syzbot] [gfs2?] kernel BUG in gfs2_jindex_free From: syzbot To: agruenba@redhat.com, gfs2@lists.linux.dev, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 253c82b3a2ce Add linux-next specific files for 20250217 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=154a75a4580000 kernel config: https://syzkaller.appspot.com/x/.config?x=f984ff1d92cb4017 dashboard link: https://syzkaller.appspot.com/bug?extid=41ebde41e42dfdd1797d compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/af8b0f79abb4/disk-253c82b3.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/463f7d416e09/vmlinux-253c82b3.xz kernel image: https://storage.googleapis.com/syzbot-assets/07101e97dd04/bzImage-253c82b3.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+41ebde41e42dfdd1797d@syzkaller.appspotmail.com ------------[ cut here ]------------ kernel BUG at fs/gfs2/super.c:76! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 UID: 0 PID: 5841 Comm: syz-executor Not tainted 6.14.0-rc2-next-20250217-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:gfs2_jindex_free+0x4a2/0x4b0 fs/gfs2/super.c:76 Code: 41 5e 41 5f 5d c3 cc cc cc cc 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c b6 fd ff ff e8 49 81 09 fe e9 ac fd ff ff e8 cf 0c a2 fd 90 <0f> 0b e8 57 9b ec 07 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 RSP: 0018:ffffc900042efc00 EFLAGS: 00010293 RAX: ffffffff841ff1f1 RBX: ffff8880333f1378 RCX: ffff8880656bbc00 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 RBP: ffffc900042efca8 R08: ffff888024b0cf6f R09: 1ffff110049619ed R10: dffffc0000000000 R11: ffffed10049619ee R12: ffff8880333f1300 R13: ffffc900042efc40 R14: dffffc0000000000 R15: ffffc900042efc48 FS: 0000555583644500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe6777efe8 CR3: 0000000065e18000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: gfs2_put_super+0x8c8/0x940 fs/gfs2/super.c:648 generic_shutdown_super+0x139/0x2d0 fs/super.c:642 kill_block_super+0x44/0x90 fs/super.c:1710 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1424 task_work_run+0x24f/0x310 kernel/task_work.c:227 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:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f326d38e117 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:00007ffe6777f1b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000064 RCX: 00007f326d38e117 RDX: 0000000000000200 RSI: 0000000000000009 RDI: 00007ffe67780360 RBP: 00007f326d40e08c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffe67780360 R13: 00007f326d40e08c R14: 00005555836444a8 R15: 00007ffe67781430 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:gfs2_jindex_free+0x4a2/0x4b0 fs/gfs2/super.c:76 Code: 41 5e 41 5f 5d c3 cc cc cc cc 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c b6 fd ff ff e8 49 81 09 fe e9 ac fd ff ff e8 cf 0c a2 fd 90 <0f> 0b e8 57 9b ec 07 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 RSP: 0018:ffffc900042efc00 EFLAGS: 00010293 RAX: ffffffff841ff1f1 RBX: ffff8880333f1378 RCX: ffff8880656bbc00 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 RBP: ffffc900042efca8 R08: ffff888024b0cf6f R09: 1ffff110049619ed R10: dffffc0000000000 R11: ffffed10049619ee R12: ffff8880333f1300 R13: ffffc900042efc40 R14: dffffc0000000000 R15: ffffc900042efc48 FS: 0000555583644500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fae8f599000 CR3: 0000000065e18000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- 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. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup