From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (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 59C9D3BB47 for ; Thu, 22 Aug 2024 03:25:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724297134; cv=none; b=dUe/qb4tr6lvjcSfRNiMNuIs3mrtzagQ3dhF/JtsjJcVrecQ9BGq/I8t1koqCTY5AGWRdyssWzomiUS9UxltvEHmlO4hJmufxIwIM2rba7KZRXN65OKGNDCSg4CzXRreiKmIkrSY75XGsOAb0SK0GxSnwGyoKaeGpOKBu4GU69g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724297134; c=relaxed/simple; bh=BBtDffAp/upHQsfCJey4JBGId6GezCemtHx1dhm85w4=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To:Cc: Content-Type; b=QHwxMIUhHZ+hKrzcGnnV5vPTl/ohMJCY6QPX/mY6KNsHxT5eUOHcpZjNF3CyTKvoKMsXSzByYQTlc4nwDb81Cux3qQOaE+T4yZaQBq4ZJK7EcGrSIwBfsFtKXuX2GJ31Y+BFxCXCOZvjUCy5s9LHR6wBSKGWhcgeq6dKMAw+k3A= 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=209.85.166.72 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-f72.google.com with SMTP id ca18e2360f4ac-82237e575f7so40826339f.3 for ; Wed, 21 Aug 2024 20:25:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724297132; x=1724901932; h=cc: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=BBtDffAp/upHQsfCJey4JBGId6GezCemtHx1dhm85w4=; b=h5WK/79RYPuWxPq44Xr90LKkKogoCa7NpuPlqcIJcQQgY4Ah1w9a0T9uD2ssmYtlJE kGGmQQFH2XfKUpJ8ywZq/g/KTeNhLlcljPfhblV29NwZAEQ5HlC0pzkg7LZ/W0A4wbNj w9yjcxCixQ8G3S8F3lsD3PFum4OXqi2Az/ONxfe3iNAjbdh07TW+Urd8ijDhGaiZi8So rPDPbYcKOl/oDLRkPHbVksa5tEYrz4xpyR/WVg6uI+S3sVAamwnJv/kJwEIC8mXUbQVB LGUWzGYpCwbrlVluDWvPgYpsOeAaQtMZCgFD6E5kDhe8PdQf4Xxkn2dB01M18PPe0hJw cIHw== X-Forwarded-Encrypted: i=1; AJvYcCWTO6yjbHyE65yilrUpciH7Tbhn1Hyfjc2y/NZtRvfyZUgNbSiSF8cRtkAnSbQb+h482YqhuXnbYPkasSrTYQ==@vger.kernel.org X-Gm-Message-State: AOJu0YzYuUAggAXdxWi5wtqYf4BFZiv5ZVty9Hz6Wfo9uRZAv0EDbSvZ CUlt5Iy3qQdob3au+QoO8YT91HaQYuxsT5yorUFFEaP5LNkYFbei09qb7LWoZfNv2A9bLxRt1wD W1GQSMOsPkL/Yf2kqewdHPfr4wbJtag6msWLLEuhDzwjRh1VPX8qrlLM= X-Google-Smtp-Source: AGHT+IFnoT6l8i2CbqPbH6xMd8vfTD/8eAmWnHHar4aX1UhcResVBX1ROIZQIvsvFeyWjejeFSUbXR9g7KkqPXsAygczWSx2Tmmg Precedence: bulk X-Mailing-List: linux-bcachefs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:6209:b0:805:caf8:4e1c with SMTP id ca18e2360f4ac-8252f4ec328mr6150239f.4.1724297132405; Wed, 21 Aug 2024 20:25:32 -0700 (PDT) Date: Wed, 21 Aug 2024 20:25:32 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000108bb406203d368d@google.com> Subject: Re: [syzbot] [bcachefs?] KASAN: slab-use-after-free Read in percpu_ref_put From: syzbot To: kent.overstreet@linux.dev Cc: 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" > #syz bcachefs: Fix refcounting in discard path unknown command "bcachefs:"