From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f200.google.com (mail-oi1-f200.google.com [209.85.167.200]) (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 C0EA84B2031 for ; Thu, 1 Oct 2026 09:12:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790845927; cv=none; b=W3t138O93wzcj4AqlV61HjED/D3+P3Dra2HODIrc3uHDfXDtWIZxuBXwvL76vLxeAuDJA2lYCG/9rU5YL3wCkXTCJOgCly7dJrc4+D/CQXScdpMjXOgtLDZk0YbIveWjntL7v9LEdhupd0zDwoGmgZt+k6y7GnAJIFgcrc+pJbM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790845927; c=relaxed/simple; bh=rmhrbSnBSUxeKoLNvTbMYWoPlkRTthzk/Q5PK98L5P8=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=KUF+I9B6Xe6yVkH3jYmdNUaBMBe2lyTy1WTsPZNgMzHXlHXItQnbz+9S9J76y7XvYzQ9ZLPihqDwKcnx3xkNTW36THlrzsOz8Y66VX9oIBxvIW5B/Qe8CKyCj82QCY/i40Q4o/s0xpenMyCRRW5h5ipBwrasrp7hN2RE/slgwjk= 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=209.85.167.200 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-oi1-f200.google.com with SMTP id 5614622812f47-4a41f46d629so10673014b6e.3 for ; Thu, 01 Oct 2026 02:12:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790845924; x=1791450724; h=content-type:to:from:subject:message-id:in-reply-to:date :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to:content-type; bh=XgJiCdQR0Xmk7ph93rGrgxQB+oBi4FLN+0tyktySXJ0=; b=0CvBWQhC30Bn7f+dirnAN41mNRsJdYxfVTWBClJUqFKbZujTmtFgWTR5El0H4cjTN9 y6FgQ+QMaH71C9XpDLbIjVYYaajzdfL2ZsHevlNrAWozfHLahKR3CFFzhcx1gwDuwLaY 1o/8+1OLWU7pYIoqkPu7LBEG9JGMgc61Wupa26pvQF4emnRYlJm7mXpKy9ltk8+We/bI mXea47T9JUkbuz37KxdKSPRL/B8eqj+lskUD6+1Ck6yfUUMivjGrPaJvx3D0qq6h8aeW OnUW7sePS+ckEFnpuqBSk3UcCCJQj/dpfrcUUfBN0EzUxkMGFdWQk9i6h9adj5HhtPjc 8Qbg== X-Forwarded-Encrypted: i=1; AKwUvByxQTB5yPBD5Ah+YAEYhAVYVemK3gpFI/DdS0j/rWnngGtmePAADLpjMfCMuGRL2KBWxTJTi7UilK0zY0UO@vger.kernel.org X-Gm-Message-State: AFuF++kh0N0EMGs57vaJ1REuF3k6wHFIu1/BL75jp5pl5vG78a3H/gz9 Q+Cv18yp2rlp4kwcVOlyF9pLJ3C0BJOjStRBfj7Pp/dxKa5O3pgAEMn9by7lMGElyjDQJNfXYRM K6OqpGkzRjrkl4zTd3TDpnt9UVwLBy5xZnQNtSpT1I4rW9vsak8qkpI4wdKU= Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:5189:b0:4c5:bdb8:e582 with SMTP id 5614622812f47-4f1b9c386f3mr4074104b6e.41.1790845924766; Thu, 01 Oct 2026 02:12:04 -0700 (PDT) Date: Thu, 01 Oct 2026 02:12:04 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6abe23e4.7503fbd6.2d3f6.0003.GAE@google.com> Subject: Re: [syzbot] [fuse?] WARNING in fuse_iomap_writeback_range From: syzbot To: fuse-devel@lists.linux.dev, joannelkoong@gmail.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, miklos@szeredi.hu, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+e8200299b0556976e13c@syzkaller.appspotmail.com Tested-by: syzbot+e8200299b0556976e13c@syzkaller.appspotmail.com Tested on: commit: 29b60c6c fuse: make fuse_backing_get() static git tree: git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git for-next console output: https://syzkaller.appspot.com/x/log.txt?x=10e893f5580000 kernel config: https://syzkaller.appspot.com/x/.config?x=ed58c7948fc7ee44 dashboard link: https://syzkaller.appspot.com/bug?extid=e8200299b0556976e13c compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 patch: https://syzkaller.appspot.com/x/patch.diff?x=1199a6c9580000 Note: testing is done by a robot and is best-effort only.