From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) (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 10A2E199FD0 for ; Fri, 25 Oct 2024 06:49:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729838968; cv=none; b=ihprs80T4kgYu6l2eT5ObevZ/n8N/Km1p7Fh8iMNsDBLO08gfTSRq+dN8cJCnwRu91KQSnUdx6EJV5bTFWdpBhKD96qwp4NBU8mA6F/1oVlNS1BVEFYO9IAXbgDK3y4d5NXIAg4g2lRdNFxzUedjwwFqHhxmTL3oW4fd3GxFzIY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729838968; c=relaxed/simple; bh=VwREwhRNZR0z6IywVS2UWjw+tCAMAjImrfRMK8g+hkk=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=Lq4FhkNbNvnIZjqWvfkYH1L9pDjcUJsyN8kDPDz1uAm4NXmpJQzcSW8rmgwYHOmGRO18SH2zyq6wQNamNAjl0A3IGHC+qqimMoQ3iuQCwSBypS8Lv5YvNKJPmlXvGuczRTwNRzeYJ1WSXWHsmmzT5AnSzsyEOWvCANVUujH7O9g= 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=209.85.166.71 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-io1-f71.google.com with SMTP id ca18e2360f4ac-83abb2b6d42so168548339f.3 for ; Thu, 24 Oct 2024 23:49:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729838965; x=1730443765; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=2ENrF44kdEafTjiWpcBLPP++m/bbeZa0/PNmjO+pqWc=; b=xClXUruPyuMMGjn3pRcJzG+gEmYkAYLwhs/BT4H4pN0xGr54VdcKTDHwLyV6aymX2U 0GcFIMvxieZ8UctZmtbogxK9wi/82PaW4QCK9N//QLUC+0yqmUjvjRXa4KOjx/JP61S8 Chu+sfSGKOyjwJF8UcoRoaOGxI6n6vLjAQwv1fzqZCtWhEfGjH1GpdaieMf5srLNTBX8 xQLPrew3fiD+3q6ncHmyTC7lRgPPJCV4Shbec3u2rhlnCjWX9mRu8me2zwravO9ZMz3s Gq7XDNtADLxdkPnJ/wfi9nIsdq73Jc6VeDcS9/jKrKTTvSr9roWRNU+6Xtb4T4CYoXXz BhkA== X-Forwarded-Encrypted: i=1; AJvYcCWnIvtpTX3KQ2WbvPTTgnFd9jl1kvXdzZJltoKZWiXIrRsQNTDc6KOn5uaykTJFn/fnROZHZ5HE8X2mvoShHA==@vger.kernel.org X-Gm-Message-State: AOJu0Yx9HHRrYQI8k0I/dj3ldZO3NfXd63f4yscAkY2Ise4m6BGK8W2M w1BEr26/o2Uez7MT/bbIQSD2wrVG4aHlRj9qWxgc+cq9xcbojai98CS7AXx6cU59Cik0mw5KyNx tss6eBb3w1aRZV6D9FnV+SE89qVbXqaKEKn1SB81AjUxEvn8QvvjlPXI= X-Google-Smtp-Source: AGHT+IFyRKWaw53QPjuZkyjq6K8OjEl9gJDRfohptNTLQi7A2vH7m7T1jcjoHdLNKoshpEAK9NzxdLbhVygJBkwjFZhpbCpl0eVV Precedence: bulk X-Mailing-List: linux-bcachefs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:14c7:b0:82c:eeaa:b1e0 with SMTP id ca18e2360f4ac-83af63fe31fmr915806039f.11.1729838965211; Thu, 24 Oct 2024 23:49:25 -0700 (PDT) Date: Thu, 24 Oct 2024 23:49:25 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <671b3f75.050a0220.2eb763.00d6.GAE@google.com> Subject: [syzbot] [bcachefs?] kernel BUG in __bch2_bkey_cmp_packed_format_checked 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: 4e46774408d9 Merge tag 'for-6.12-rc4-tag' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=151d5e40580000 kernel config: https://syzkaller.appspot.com/x/.config?x=fc6f8ce8c5369043 dashboard link: https://syzkaller.appspot.com/bug?extid=8761afeaaf2249358b14 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=1622a8a7980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12de3287980000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-4e467744.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/058a92aaf61a/vmlinux-4e467744.xz kernel image: https://storage.googleapis.com/syzbot-assets/0b79757fbe5e/bzImage-4e467744.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/8081b555fd65/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+8761afeaaf2249358b14@syzkaller.appspotmail.com fragmentation 134217728 bp_start 8 , fixing done bcachefs (loop0): check_inodes... ------------[ cut here ]------------ kernel BUG at fs/bcachefs/bkey_cmp.h:104! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5092 Comm: syz-executor201 Not tainted 6.12.0-rc4-syzkaller-00085-g4e46774408d9 #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:__bch2_bkey_cmp_packed_format_checked_inlined fs/bcachefs/bkey_cmp.h:103 [inline] RIP: 0010:__bch2_bkey_cmp_packed_format_checked+0x7ef/0x800 fs/bcachefs/bkey.c:1021 Code: fd 90 0f 0b e8 02 8e 83 fd 90 0f 0b e8 fa 8d 83 fd 90 0f 0b e8 f2 8d 83 fd 90 0f 0b e8 ea 8d 83 fd 90 0f 0b e8 e2 8d 83 fd 90 <0f> 0b e8 5a 5c b5 07 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffc9000af8de20 EFLAGS: 00010293 RAX: ffffffff841149fe RBX: 1ffff920015f1bcc RCX: ffff888000898000 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000001 RBP: ffffc9000af8df50 R08: ffffffff8411470b R09: 0000000000000000 R10: ffffc9000af8dec0 R11: fffff520015f1bda R12: dffffc0000000000 R13: ffffc9000af8dec0 R14: 0000000000000001 R15: 00000000ffffffff FS: 0000555577522380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b92594a008 CR3: 000000003e38e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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 __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_slot+0x84f/0x2550 fs/bcachefs/btree_iter.c:2616 __bch2_bkey_get_iter+0x10d/0x2a0 fs/bcachefs/btree_iter.h:575 dirent_get_by_pos fs/bcachefs/fsck.c:1173 [inline] inode_get_dirent fs/bcachefs/fsck.c:1188 [inline] check_inode_dirent_inode fs/bcachefs/fsck.c:1209 [inline] check_inode fs/bcachefs/fsck.c:1312 [inline] bch2_check_inodes+0x18f9/0x5080 fs/bcachefs/fsck.c:1466 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: 0033:0x7f9d0165ee2a 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:00007ffc0ef30e48 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffc0ef30e60 RCX: 00007f9d0165ee2a RDX: 0000000020000040 RSI: 0000000020000080 RDI: 00007ffc0ef30e60 RBP: 0000000000000004 R08: 00007ffc0ef30ea0 R09: 00000000000059c8 R10: 0000000002200006 R11: 0000000000000282 R12: 0000000002200006 R13: 00007ffc0ef30ea0 R14: 0000000000000003 R15: 0000000001000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__bch2_bkey_cmp_packed_format_checked_inlined fs/bcachefs/bkey_cmp.h:103 [inline] RIP: 0010:__bch2_bkey_cmp_packed_format_checked+0x7ef/0x800 fs/bcachefs/bkey.c:1021 Code: fd 90 0f 0b e8 02 8e 83 fd 90 0f 0b e8 fa 8d 83 fd 90 0f 0b e8 f2 8d 83 fd 90 0f 0b e8 ea 8d 83 fd 90 0f 0b e8 e2 8d 83 fd 90 <0f> 0b e8 5a 5c b5 07 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffc9000af8de20 EFLAGS: 00010293 RAX: ffffffff841149fe RBX: 1ffff920015f1bcc RCX: ffff888000898000 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000001 RBP: ffffc9000af8df50 R08: ffffffff8411470b R09: 0000000000000000 R10: ffffc9000af8dec0 R11: fffff520015f1bda R12: dffffc0000000000 R13: ffffc9000af8dec0 R14: 0000000000000001 R15: 00000000ffffffff FS: 0000555577522380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b92594a008 CR3: 000000003e38e000 CR4: 0000000000352ef0 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 syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. 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