From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 010FC2E9EBB for ; Wed, 8 Oct 2025 05:52:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759902725; cv=none; b=l9ghP6ExvTBj26zpsaNaXizPEQQDGm8gXyuaNtHRjqnXwk4VL7KrTX8Z19SIWD9FCRglnsa+FZ5CA00rByYvhpP7wg3+Lvov6sB8dLiMhHfQclpflmbZXP5oAAXeHkn7D4rMOvYBTwVVgi5HMxsjnrLLSaoQ6V5+3BfSn9wZSsE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759902725; c=relaxed/simple; bh=rISreA05oSPphUeXePaG+iNGh6KKZHmaHX0gxIZn55s=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Qdt1v087n0J6/HzPQ4QKbObIIMgj4MSvS9zsNdc/ewGHkC784RAIFHoRedB5gE5kg/y+aRX/SP0Ma/L3yeV8pX/5KrKcdrmo47ErfbHhG0mlvRrrYQwgw4X75CcvInb/KC9ZetBtVJsDxpxxtCGwGgyLF1SFzrQDnOEckZzaKnU= 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=209.85.166.199 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-f199.google.com with SMTP id e9e14a558f8ab-42f8a89bb47so4736585ab.2 for ; Tue, 07 Oct 2025 22:52:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759902723; x=1760507523; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=2A6jgIs23tCx0rnkILPWDEiPNOjzuEXCnKHJ2BUu/Ow=; b=tCGLp+UKxp1Kmvx/odls9Ijkz+6yULSM6BOc+2o0sP7f58qklP0KBbP6vNX+q/P2ts VcIncW/aGykdYcDx7uu2iouac/XMoOMbWAnFqqOko36n0Lj70s1TIEBjnhNgcx7kDqUf bV9mluSVW+jhinsvlYHMZFdxPTXaqKSFIx6FqRPKw2EfL94GfHD4QSUNe8Gt7aFyEyVG SbHQGUrWYleKbim7oOI+c3cS/q9Tp43XS+fKm4G+9lAa7Sw6aQuKEevGC6W4gMfnX7/h t0eZFPecNqdk/B+iJY1MhW6/pZsFj/Dyo3vrPPDGangl2dD8x1/MilbGNsySgpNJRSwa z2JQ== X-Forwarded-Encrypted: i=1; AJvYcCV+0lXrAhjy+zcx5AdC1TO4gw97Uoz0vw/W4O6IN30xdJ7P5KOkoc/Npbw9taCk1skIfIJk+XDudp2lLU4=@vger.kernel.org X-Gm-Message-State: AOJu0Yx+KGw6zBWUGt4dekvE9VHuiNGctw9oOH4sqJS3PUf8x/NO/ZPl UllsUbcfqoG1WHDl3oNFJCvD0vFa4crKBnfaQj497ILr3KHS18XPCdGlLK1i0hJX46ro9PVNd9V 3Uiu2k+a3G3huWI87VOyNhRaFK1TVQd6XnGnoJWEY5LXf6rqWmtAaRS0Y4Nw= X-Google-Smtp-Source: AGHT+IGptM0/W+RC8JNNbvxwbL47syZs+ieVCOeFF3bOYyE+bsCsNYCyWyGD3xDDyj9zvgbuTmomwlV0EBz0plohKVovC+Xba1uN Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d98:b0:42d:7f38:a9b4 with SMTP id e9e14a558f8ab-42f8741b733mr17558735ab.31.1759902723031; Tue, 07 Oct 2025 22:52:03 -0700 (PDT) Date: Tue, 07 Oct 2025 22:52:03 -0700 In-Reply-To: <00000000000054d8540619f43b86@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68e5fc03.a00a0220.298cc0.0488.GAE@google.com> Subject: Re: [syzbot] [exfat] INFO: task hung in vfs_rmdir (2) From: syzbot To: brauner@kernel.org, hdanton@sina.com, jack@suse.cz, linkinjeon@kernel.org, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, sj1557.seo@samsung.com, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk, yuezhang.mo@sony.com Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 79c1587b6cda74deb0c86fc7ba194b92958c793c Author: Namjae Jeon Date: Sat Aug 30 05:44:35 2025 +0000 exfat: validate cluster allocation bits of the allocation bitmap bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1695f92f980000 start commit: 4a4be1ad3a6e Revert "vfs: Delete the associated dentry whe.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=47d282ddffae809f dashboard link: https://syzkaller.appspot.com/bug?extid=42986aeeddfd7ed93c8b syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12a5b3ec980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=103820f2980000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: exfat: validate cluster allocation bits of the allocation bitmap For information about bisection process see: https://goo.gl/tpsmEJ#bisection