From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f77.google.com (mail-io1-f77.google.com [209.85.166.77]) (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 8F6E27E774 for ; Fri, 31 May 2024 18:56:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.77 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717181782; cv=none; b=nns6kKojregepvo+E9Je325Lqk2S9ETTB9J961azOGWejjTMjRKxRRZIxHXlDgHNi6zGJn+d+jK9pljhXjGahYPE1gDsAiyo/KtDRfSR9LCWbuPkIKTtAYirbO/5lqJlq/QD+guY9QQM2UOByo2dGTjyNDQL+Esc00SszdLdgFo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717181782; c=relaxed/simple; bh=qN4vlgIgphPICeA4Q6mNaG+fMmSzRaQqb7ipUQbietE=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=D2yiE332nmiVASQDpsPiYxgHKPWTYAqhYm3XOuKPvEGQnIEYFyXH0Ru9ChjWHtuHAdB+nCLitwLM62AoYMagTXs3y/0bBkLAK5zgrR7/ghhvR4EfGZU6KHYuTEXex7MOGkk0eOczEstHZPGhdZKXpTRIuDdLCtnmGbWzplLjmYI= 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=209.85.166.77 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-f77.google.com with SMTP id ca18e2360f4ac-7e261e3e1beso293893439f.3 for ; Fri, 31 May 2024 11:56:20 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1717181780; x=1717786580; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=BGMeTtLYeIHVSkGLYngSRR4aJEt/tcf+WEvx9z803x4=; b=sbuJ0Q1KlSPFMWLGg6McO1htCEsT1R/+/PSYGvsPq2OXjc+sCBI2fotfQT+HQHGtRh SHOuAo7glypymQU4UYvqxjzbyMe6C6EvVN0pOzjVIhUSgrDfcHnDsvMycvH2WEKl7q3A U05KaWeosk0QhsEq6AmhzZ7qKtVK1T+ay9SmaecY7l8OvZvpzn8b7bGemeDhM7hb41XD YKigKwKSampzS4UVpnpqe9tfA+9wFfJ8ty02KU2QVaASLwrFlePy+RshIbHZhSAuUV10 T+7nas9jWUckEWe+vNYfJiFQy9Eifdek7jbcx9QkLZaMhQjg1eCi5Cl3EqF6lou9szLF V61Q== X-Forwarded-Encrypted: i=1; AJvYcCVDvoDjvOYReLRZitU+ZS94TRPLLFn6anDDmyBNLoPqAZxR6MJauF/UyF9YdP0SaVyxAFaVrdskNLD2EuwQjtEhy0x8WEyPjrPQRRYj X-Gm-Message-State: AOJu0Yx2xglhOXR40JpjLBQmMNotjnP4fsx5w4R6DvzE8GZNgsgXULXc QITUW5BCE4tNICIxhrjpkDY6wEK44VVz/F98YhkqHEEG2Ljei6IsV2cDscxjNnz0beNe2sso6Lo Jf4lfddYZklbJsaolioKti/h3+NiwAAXex+k3yYcVuJR7hyNPwbvwGS0= X-Google-Smtp-Source: AGHT+IFZFsUgCMXhoAwOpoDKxRo2bK70F662gaHR/g6Wz1Cj3I10qnqYXoAAtI8r+mfs20sgrXxlYOYPO22iWPcCYmq4PjE/A9fV Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:1650:b0:7ea:fa78:1568 with SMTP id ca18e2360f4ac-7eaffdd3600mr21086839f.0.1717181778406; Fri, 31 May 2024 11:56:18 -0700 (PDT) Date: Fri, 31 May 2024 11:56:18 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000eabe1d0619c48986@google.com> Subject: [syzbot] [btrfs?] kernel BUG in clear_inode From: syzbot To: clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@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: 2bfcfd584ff5 Merge tag 'pmdomain-v6.10-rc1' of git://git.k.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=128ea8b4980000 kernel config: https://syzkaller.appspot.com/x/.config?x=733cc7a95171d8e7 dashboard link: https://syzkaller.appspot.com/bug?extid=67ba3c42bcbb4665d3ad compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: i386 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-2bfcfd58.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/c7ed3bb80bed/vmlinux-2bfcfd58.xz kernel image: https://storage.googleapis.com/syzbot-assets/93acc5bfbaef/bzImage-2bfcfd58.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+67ba3c42bcbb4665d3ad@syzkaller.appspotmail.com ------------[ cut here ]------------ kernel BUG at fs/inode.c:626! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 PID: 7700 Comm: syz-executor.2 Not tainted 6.10.0-rc1-syzkaller-00013-g2bfcfd584ff5 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:clear_inode+0x15b/0x190 fs/inode.c:626 Code: 00 00 00 5b 5d 41 5c c3 cc cc cc cc e8 1e 7e 8b ff 90 0f 0b e8 16 7e 8b ff 90 0f 0b e8 0e 7e 8b ff 90 0f 0b e8 06 7e 8b ff 90 <0f> 0b e8 fe 7d 8b ff 90 0f 0b e8 b6 b0 e8 ff e9 d2 fe ff ff e8 ac RSP: 0018:ffffc90003a2fab0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888028014230 RCX: ffffffff82030100 RDX: ffff88801e1fa440 RSI: ffffffff8203016a RDI: 0000000000000007 RBP: 0000000000000040 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000040 R11: 0000000000000001 R12: 0000000000000020 R13: ffff88802855c000 R14: 0000000000000000 R15: ffff888028014230 FS: 0000000000000000(0000) GS:ffff88802c000000(0063) knlGS:0000000056b5e400 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00007f58c1d30980 CR3: 000000006b300000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000001000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_evict_inode+0x529/0xe80 fs/btrfs/inode.c:5262 evict+0x2ed/0x6c0 fs/inode.c:667 dispose_list+0x117/0x1e0 fs/inode.c:700 evict_inodes+0x34e/0x450 fs/inode.c:750 generic_shutdown_super+0xb5/0x3d0 fs/super.c:627 kill_anon_super+0x3a/0x60 fs/super.c:1226 btrfs_kill_super+0x3b/0x50 fs/btrfs/super.c:2096 deactivate_locked_super+0xbe/0x1a0 fs/super.c:473 deactivate_super+0xde/0x100 fs/super.c:506 cleanup_mnt+0x222/0x450 fs/namespace.c:1267 task_work_run+0x14e/0x250 kernel/task_work.c:180 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+0x278/0x2a0 kernel/entry/common.c:218 __do_fast_syscall_32+0x80/0x120 arch/x86/entry/common.c:389 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf72c7579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ff99b808 EFLAGS: 00000292 ORIG_RAX: 0000000000000034 RAX: 0000000000000000 RBX: 00000000ff99b8b0 RCX: 0000000000000009 RDX: 00000000f741dff4 RSI: 00000000f736e361 RDI: 00000000ff99c954 RBP: 00000000ff99b8b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:clear_inode+0x15b/0x190 fs/inode.c:626 Code: 00 00 00 5b 5d 41 5c c3 cc cc cc cc e8 1e 7e 8b ff 90 0f 0b e8 16 7e 8b ff 90 0f 0b e8 0e 7e 8b ff 90 0f 0b e8 06 7e 8b ff 90 <0f> 0b e8 fe 7d 8b ff 90 0f 0b e8 b6 b0 e8 ff e9 d2 fe ff ff e8 ac RSP: 0018:ffffc90003a2fab0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888028014230 RCX: ffffffff82030100 RDX: ffff88801e1fa440 RSI: ffffffff8203016a RDI: 0000000000000007 RBP: 0000000000000040 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000040 R11: 0000000000000001 R12: 0000000000000020 R13: ffff88802855c000 R14: 0000000000000000 R15: ffff888028014230 FS: 0000000000000000(0000) GS:ffff88802c000000(0063) knlGS:0000000056b5e400 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000c000f9c4e0 CR3: 000000006b300000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000001000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi --- 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