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 611831E8850 for ; Wed, 30 Oct 2024 16:39:22 +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=1730306364; cv=none; b=nBhaMJh8/vg4XrZ7DyocarX4aIm341xML85+xph9NOrlCbErbL9mOmkwKrtBuFHEokUOEPo9kj6tjoFqZ1N/E/nsk7nUdumpBitQG9WeHamm/kHqmX+j9Zk0KbbnqPBbNHFZ461E1mVjPE9R1VJ4CVhaUKYz7OECWIZQIsAZSI8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730306364; c=relaxed/simple; bh=tvAkrauTFT9Va0LSr8Q560tr9eofE3TbBbDF4DRw+xg=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=VIUmKPoT4F4VJM+eBpYFNi685Vuqn5f/JTXlNJox00wlfBtATGmMK2XYi2uClhtmsfDyQqxKytTNwJlj9Fa8+2m30GKM2dgHPeYWXwPlSOXQhqDWJKB+VHYqD62g9Dy+FNOvsO4SGk9J40/QQQs5kKD1PIRt9GbLwk5YKx9DfHU= 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-3a4ee7817b3so294495ab.0 for ; Wed, 30 Oct 2024 09:39:22 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730306361; x=1730911161; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=L03+cCaF5k2QqzYRZWe0TaFHNw7A+nTHPWGLFanS700=; b=NQXtXE6PuwTBBd8sm/o6rjWVegeq7PKPGRnh9paDgwnFj/lxog6iLX87yLvLouhmKf sz1Cq2dy3TO9thymtTLxI8aWIraAeVE65sdtbNdxdf/Tl1QyM2Ab2vp7vgXP7eyvE3Y3 d7W74daYbFxUHw0Axz0g7arF5U24Kfo8qiMovX/TQT2eFrkapN9zPnjPY6nckEuKAlBV a1R6i4sCUsadp347eOLr7dwNMwdmZYlzE8THf71o0Dpg3xY3T1zDJ/vxWZXdd0leo+gc yVr/i3ArVZMA3wSncRhnMv1Iu9SzFjKvTjzhW5Z4Dricmao0xPfSmgCoU+PTkvGPLTM+ h4eA== X-Forwarded-Encrypted: i=1; AJvYcCUsOIPJErQAxV4/dm+rQ8KXETqnsRBpvfc936hkjTWrt9dDb6gUWH68egzwQgIpcgPJltF1AbdxcZDlL32YUg==@vger.kernel.org X-Gm-Message-State: AOJu0YzsGsGPJIhfsa0rzh3bKz/WISvXqsg7SopJ3hRx8lPV/ytJzEGv zGfhyDJ50CfEcPDU2lZmGftPlOi4uCqNkKHB8Jrf3sfybTVwASek7eeswsA7Zivp9uSb6/1MjTu jPb3SQ95q1M4vKJtYgAtOelhYFu1gU3xueHKD3GHzN9mHHN7E/apWjTI= X-Google-Smtp-Source: AGHT+IH0gB96bZMC9xdzrErzR4Yr9mO4vnWlXUMHkc4VgAPfWBgiEWVUESW70t+f0xEVtcsatOzzh3fczGZ/lIgjg9/5p3+cBelf Precedence: bulk X-Mailing-List: linux-bcachefs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d04:b0:3a3:449b:5989 with SMTP id e9e14a558f8ab-3a4ed304cebmr129984455ab.21.1730306361578; Wed, 30 Oct 2024 09:39:21 -0700 (PDT) Date: Wed, 30 Oct 2024 09:39:21 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67226139.050a0220.35b515.0070.GAE@google.com> Subject: [syzbot] [bcachefs?] kernel BUG in __bkey_unpack_pos From: syzbot To: kent.overstreet@linux.dev, linux-bcachefs@vger.kernel.org, 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: 850925a8133c Merge tag '9p-for-6.12-rc5' of https://github.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13772a87980000 kernel config: https://syzkaller.appspot.com/x/.config?x=309bb816d40abc28 dashboard link: https://syzkaller.appspot.com/bug?extid=4d722d3c539d77c7bc82 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=160c44a7980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=120e7e40580000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-850925a8.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/c831c931f29c/vmlinux-850925a8.xz kernel image: https://storage.googleapis.com/syzbot-assets/85f584e52a7f/bzImage-850925a8.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/b2e9e371ca38/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+4d722d3c539d77c7bc82@syzkaller.appspotmail.com bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): stripes_read... done bcachefs (loop0): snapshots_read... ------------[ cut here ]------------ kernel BUG at fs/bcachefs/bkey.c:297! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5311 Comm: syz-executor213 Not tainted 6.12.0-rc4-syzkaller-00261-g850925a8133c #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__bkey_unpack_pos+0x779/0x790 fs/bcachefs/bkey.c:297 Code: b6 e4 00 e9 ad fb ff ff e8 24 ea 83 fd 48 c7 c7 40 b1 f3 8e 4c 89 e6 48 89 da e8 f2 b5 e4 00 e9 f4 fc ff ff e8 08 ea 83 fd 90 <0f> 0b e8 00 ea 83 fd 90 0f 0b e8 f8 e9 83 fd 90 0f 0b 0f 1f 44 00 RSP: 0018:ffffc9000cdfe360 EFLAGS: 00010293 RAX: ffffffff84110068 RBX: 0000000000000001 RCX: ffff888000d4a440 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 0000000000000000 R08: ffffffff8410f998 R09: 0000000000000000 R10: ffffc9000cdfe400 R11: fffff520019bfc82 R12: ffffc9000cdfe400 R13: dffffc0000000000 R14: 0000000000000001 R15: ffffc9000cdfe840 FS: 0000555574f49380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc52831f40 CR3: 000000004475a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bkey_unpack_pos_format_checked fs/bcachefs/bkey.h:456 [inline] __bch2_bkey_cmp_left_packed_format_checked fs/bcachefs/bkey.c:1029 [inline] __bch2_bkey_cmp_left_packed+0xed/0x790 fs/bcachefs/bkey.c:1049 bkey_cmp_left_packed fs/bcachefs/bkey.h:88 [inline] bch2_bkey_pack_pos_lossy+0xa08/0x1990 fs/bcachefs/bkey.c:532 bch2_btree_node_iter_init+0x894/0x4280 fs/bcachefs/bset.c:1313 __btree_path_level_init fs/bcachefs/btree_iter.c:615 [inline] bch2_btree_path_level_init+0x4d2/0x9f0 fs/bcachefs/btree_iter.c:635 btree_path_lock_root fs/bcachefs/btree_iter.c:769 [inline] bch2_btree_path_traverse_one+0x10de/0x2940 fs/bcachefs/btree_iter.c:1170 bch2_btree_path_traverse fs/bcachefs/btree_iter.h:247 [inline] __bch2_btree_iter_peek fs/bcachefs/btree_iter.c:2197 [inline] bch2_btree_iter_peek_upto+0xb58/0x70e0 fs/bcachefs/btree_iter.c:2297 bch2_btree_iter_peek_upto_type fs/bcachefs/btree_iter.h:685 [inline] bch2_snapshots_read+0x4ac/0x15f0 fs/bcachefs/snapshot.c:1785 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:185 bch2_run_recovery_passes+0x387/0x870 fs/bcachefs/recovery_passes.c:232 bch2_fs_recovery+0x25cc/0x39c0 fs/bcachefs/recovery.c:862 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1036 bch2_fs_get_tree+0xd68/0x1710 fs/bcachefs/fs.c:2170 vfs_get_tree+0x90/0x2b0 fs/super.c:1800 do_new_mount+0x2be/0xb40 fs/namespace.c:3507 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4034 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe43d8e1cba Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff67207cf8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fff67207d10 RCX: 00007fe43d8e1cba RDX: 00000000200058c0 RSI: 0000000020005900 RDI: 00007fff67207d10 RBP: 0000000000000004 R08: 00007fff67207d50 R09: 0000000000005946 R10: 0000000001000000 R11: 0000000000000282 R12: 0000000001000000 R13: 00007fff67207d50 R14: 0000000000000003 R15: 0000000001000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__bkey_unpack_pos+0x779/0x790 fs/bcachefs/bkey.c:297 Code: b6 e4 00 e9 ad fb ff ff e8 24 ea 83 fd 48 c7 c7 40 b1 f3 8e 4c 89 e6 48 89 da e8 f2 b5 e4 00 e9 f4 fc ff ff e8 08 ea 83 fd 90 <0f> 0b e8 00 ea 83 fd 90 0f 0b e8 f8 e9 83 fd 90 0f 0b 0f 1f 44 00 RSP: 0018:ffffc9000cdfe360 EFLAGS: 00010293 RAX: ffffffff84110068 RBX: 0000000000000001 RCX: ffff888000d4a440 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 0000000000000000 R08: ffffffff8410f998 R09: 0000000000000000 R10: ffffc9000cdfe400 R11: fffff520019bfc82 R12: ffffc9000cdfe400 R13: dffffc0000000000 R14: 0000000000000001 R15: ffffc9000cdfe840 FS: 0000555574f49380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc52831f40 CR3: 000000004475a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- This report is generated by a bot. 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