From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f207.google.com (mail-il1-f207.google.com [209.85.166.207]) (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 04CC61E885 for ; Thu, 26 Dec 2024 06:43:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.207 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735195405; cv=none; b=f/qBaEEGkwe2J1IMAI1LvF/u2Ipv/G3CElVsGh2Lj6Tcn69X6vLvVsgqBcQHdCs9OF7AJo2VMYFfJjfS7tSLs3vZG/e+YEmhgRpb+PgsWjAetk/kDhcE8pJ/axKHtvX/rkLYPdgyyzAjxphsbfF85NmCZadyrri3FHJC0M79g8Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735195405; c=relaxed/simple; bh=81QFhsbyQRqwwcnMDRXHme+/A2x+4yS5Vc04KZC+s9Q=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=H0VvU4/a/6HLvOOlR8GKyr0QT4TDn7YldPoBz1q7OubNLvRnLEhX8fb2MvOCY9DevcFBqZUu03PCg+RGuI+TSArjdDJtunmVdUEsY+QeRKLWKxlAi1PyEk4bF/PYkDoT93mFrHej0ZC3QzEwhDrbAKlSUf5UfIO3UhRSOGktBlM= 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=209.85.166.207 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-f207.google.com with SMTP id e9e14a558f8ab-3a7e0d7b804so52304325ab.0 for ; Wed, 25 Dec 2024 22:43:23 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1735195403; x=1735800203; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=X2VQeufeerpJYlSwszd6z0TNJSBGjt00IENvwa6IrRI=; b=NeDPiOrWdQQNyKHZH8ulnSudYczs5/2Rj2oHrIPfo/iIL2viTE7weYyYNzbSJY9H5j +CW8j4Sr6Kt4rnvMYmCZomujCwvW58qCP9JgDmGo5Jll1QvSW5AShm8ECP/00MkEtm2c Vnj1LM/h3oi2vJcrzrF6/YFMtYlCIQQ3c+idoPZtbWdZIzVnGc+BPt442Bok3S1ITXI5 dUdfJ/BJ7uxzrGFbqvhy8xml5ObI28PxS5H4FJscKfPZ6qy5JZYZmtNqlld6reIyhYV6 VlGjwMjo8DjNTJh2PXSLdLNqX1ozQFqgZ59Eoy8qVixUhOkc7Caymxd/9/Mpde5UMbzl 5yfQ== X-Forwarded-Encrypted: i=1; AJvYcCWlzCrhRVvEtlZ5PIbnqTW2je+IuxAvghGo6rn2B7btIE0PIRdLwKRTPro6mFAZ0crU5YEFf/8OZ/g5dKo=@vger.kernel.org X-Gm-Message-State: AOJu0YytZXAq8tq23q4KxeYByI+oKdldUo2RAsMyFp5SbV7Q56mkKeXJ NBWtfhmchUjp/QPIih1yzI1DAbkb6DXafzOP0A49kirMfkRyYmdcXDqTuZyBgj8/+3hy5mFd92O zYgB0w2rlObbwu/0XjWdVi8SL1Fga7+PPfENMhTibc0Ge2wMmq0jTRKY= X-Google-Smtp-Source: AGHT+IFwR41UVDHb/efJAO2736ZUaQluynvE0gEgsTKUPm1TcrlUxVJh7mnx1SdOg1GZYMUS+fs2vbqDAzoJGL1MACPdjtpr14iA Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:184c:b0:3a7:635e:d365 with SMTP id e9e14a558f8ab-3c2d25669c7mr195991585ab.6.1735195403239; Wed, 25 Dec 2024 22:43:23 -0800 (PST) Date: Wed, 25 Dec 2024 22:43:23 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <676cfb0b.050a0220.2f3838.042a.GAE@google.com> Subject: [syzbot] [bcachefs?] kernel BUG in __bkey_unpack_pos (2) 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: 4bbf9020becb Linux 6.13-rc4 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=167d3f30580000 kernel config: https://syzkaller.appspot.com/x/.config?x=d269ef41b9262400 dashboard link: https://syzkaller.appspot.com/bug?extid=c5e7a66b3b23ae65d44f 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=15fd3fe8580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13fd3fe8580000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-4bbf9020.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/7afd8269bdaf/vmlinux-4bbf9020.xz kernel image: https://storage.googleapis.com/syzbot-assets/a3b5b5de34f1/bzImage-4bbf9020.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/63f4c8c02183/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+c5e7a66b3b23ae65d44f@syzkaller.appspotmail.com bcachefs (loop0): alloc_read... done bcachefs (loop0): stripes_read... done bcachefs (loop0): snapshots_read... done bcachefs (loop0): check_allocations... ------------[ cut here ]------------ kernel BUG at fs/bcachefs/bkey.c:298! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5299 Comm: syz-executor313 Not tainted 6.13.0-rc4-syzkaller #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+0x781/0x790 fs/bcachefs/bkey.c:298 Code: e8 74 9f 89 fd 48 c7 c7 80 fa f2 8e 4c 89 e6 48 89 da e8 b2 ea e4 00 e9 f4 fc ff ff e8 58 9f 89 fd 90 0f 0b e8 50 9f 89 fd 90 <0f> 0b e8 48 9f 89 fd 90 0f 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d01e2c0 EFLAGS: 00010293 RAX: ffffffff8415d4e0 RBX: 0000000000000003 RCX: ffff88801ab70000 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8415ce35 R09: 0000000000000000 R10: ffffc9000d01e380 R11: fffff52001a03c72 R12: ffffc9000d01e380 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88804b901060 FS: 0000555573836380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcd6804fa8 CR3: 0000000044000000 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] bkey_unpack_pos fs/bcachefs/bkey.h:464 [inline] __bch2_bkey_cmp_packed_format_checked_inlined fs/bcachefs/bkey_cmp.h:103 [inline] __bch2_bkey_cmp_packed_format_checked+0x2c7/0x800 fs/bcachefs/bkey.c:1020 bkey_cmp_p_or_unp fs/bcachefs/bset.h:291 [inline] bkey_iter_cmp_p_or_unp fs/bcachefs/bset.h:400 [inline] bch2_bset_search_linear fs/bcachefs/bset.c:1189 [inline] bch2_btree_node_iter_init+0x234b/0x4280 fs/bcachefs/bset.c:1334 __bch2_btree_path_set_pos+0xb8e/0x1710 fs/bcachefs/btree_iter.c:1302 bch2_btree_path_set_pos fs/bcachefs/btree_iter.h:229 [inline] bch2_btree_iter_peek_node+0x7c5/0xed0 fs/bcachefs/btree_iter.c:1915 bch2_gc_btree fs/bcachefs/btree_gc.c:686 [inline] bch2_gc_btrees fs/bcachefs/btree_gc.c:729 [inline] bch2_check_allocations+0x2125/0x7070 fs/bcachefs/btree_gc.c:1133 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:191 bch2_run_recovery_passes+0x3a7/0x880 fs/bcachefs/recovery_passes.c:244 bch2_fs_recovery+0x25cc/0x39d0 fs/bcachefs/recovery.c:861 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1037 bch2_fs_get_tree+0xd68/0x1710 fs/bcachefs/fs.c:2170 vfs_get_tree+0x90/0x2b0 fs/super.c:1814 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: 0033:0x7fa1db696b7a 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:00007ffc50c8acf8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffc50c8ad10 RCX: 00007fa1db696b7a RDX: 00000000200002c0 RSI: 0000000020000380 RDI: 00007ffc50c8ad10 RBP: 0000000000000004 R08: 00007ffc50c8ad50 R09: 0000000000005931 R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000000 R13: 00007ffc50c8ad50 R14: 0000000000000003 R15: 0000000001000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__bkey_unpack_pos+0x781/0x790 fs/bcachefs/bkey.c:298 Code: e8 74 9f 89 fd 48 c7 c7 80 fa f2 8e 4c 89 e6 48 89 da e8 b2 ea e4 00 e9 f4 fc ff ff e8 58 9f 89 fd 90 0f 0b e8 50 9f 89 fd 90 <0f> 0b e8 48 9f 89 fd 90 0f 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d01e2c0 EFLAGS: 00010293 RAX: ffffffff8415d4e0 RBX: 0000000000000003 RCX: ffff88801ab70000 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8415ce35 R09: 0000000000000000 R10: ffffc9000d01e380 R11: fffff52001a03c72 R12: ffffc9000d01e380 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88804b901060 FS: 0000555573836380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcd6804fa8 CR3: 0000000044000000 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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