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 DC3ECEEA6 for ; Thu, 24 Oct 2024 01:14:03 +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=1729732445; cv=none; b=MbZbLUURY15364i9WHZ06htyWxkSJfNHmWJ5lEt2nIzkLsittMoxWmU/TezRlxDKs2xpw5d7/xjCvCOqyox6/aXQiFDOE6BQEr6hmtTzmygANXKIpc1ImehvoTipyqRCF7L6UkyKU4CLXvAIAx6cVnpGdtkVpz4/ZxMCBtw/IUw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729732445; c=relaxed/simple; bh=oOTXP4abm4ueYSiN9+MAFcLLCMz2MfGNhVTUqdkNFBI=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=geFYg93fDBlvCtGdk3qnDV7wY1zTYeK0XcvGsGOWWBkJLh+cXEwJCnpX9kDRloCiMBeOrwSJgSfryEQuhcixMsWdkPjoHwm5Y6pwffYCnxMu/LE3RCDAb0+CEKH6qKHfkifnyMWSmICdnYHi8BcTMegMseRhnJRPgYERnI0q1LQ= 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-83a8c0df400so35734239f.1 for ; Wed, 23 Oct 2024 18:14:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729732443; x=1730337243; 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=vORZyEvjECSbN9YQylsTzds9PyoJBBXgL2X+MVyjIsk=; b=nu+vWyzH1m7kDUUZnfyh3WvGPKeta4ySdqDQ5VC5wNYGvWEqyjxOtcNNI+DmGrNDUq M1wa2+L4xARl3SNS777UMp4rtTB2epDGXWVAPz5UwF+Z2a3Z06q9LfyzlXFYLe9eZ3o0 bxlvUYaMPFKQTHSewwV8KMleVxCHaLD2UvNcYAhf+AHm22zuSSS2gQkOYLZRzzjiVu1O sDzKB5UpNDV+MLvbN8IFPpIu469Jw3XfP/9CD1kpMb+b44RZhrL01p8dABVGAzKIyGeD rrwKD1pKsHS07RCTpwbcqrzZjk56nyb/dXuTkTMHBAser9TboIs/7H1xbSigOmwoe8eC CZRQ== X-Gm-Message-State: AOJu0YycHh84cc4pus3BfjxtmXEaySYHTuyGAptvib5Zlip+pp8Aes8K etL2Y6kKs0SZqaEBIQhbt6YLliYfKKdgULCmZHS5XsJ5ujQiQbD1mr9OtQjI7q5V0eaTpc1SJ/8 WNnGro0LfMGlvKruahvhjB9FJpvuNYd4QfkAQ87jb966c4MaRXiAklEk= X-Google-Smtp-Source: AGHT+IFfHiEml4csObwGnNCVNADLCNOlXRnf6fwCDO7Ib9+Tp4xHZBANzOJ+T5czmPX/rBP+23LuHa4XEZYKxrlExqLsGczIiBuE Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:198a:b0:3a3:af94:461f with SMTP id e9e14a558f8ab-3a4d592f281mr50397315ab.1.1729732442965; Wed, 23 Oct 2024 18:14:02 -0700 (PDT) Date: Wed, 23 Oct 2024 18:14:02 -0700 In-Reply-To: <671907d4.050a0220.1e4b4d.008f.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67199f5a.050a0220.10f4f4.01d6.GAE@google.com> Subject: Re: [syzbot] Re: [syzbot] [bcachefs?] KASAN: slab-use-after-free Read in bch2_reconstruct_alloc From: syzbot To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org. *** Subject: Re: [syzbot] [bcachefs?] KASAN: slab-use-after-free Read in bch2_reconstruct_alloc Author: lizhi.xu@windriver.com #syz test: upstream master diff --git a/fs/bcachefs/recovery.c b/fs/bcachefs/recovery.c index 55e1504a8130..717c1a80de20 100644 --- a/fs/bcachefs/recovery.c +++ b/fs/bcachefs/recovery.c @@ -95,9 +95,9 @@ static void bch2_reconstruct_alloc(struct bch_fs *c) c->sb.compat &= ~(1ULL << BCH_COMPAT_alloc_info); bch2_write_super(c); - mutex_unlock(&c->sb_lock); c->opts.recovery_passes |= bch2_recovery_passes_from_stable(le64_to_cpu(ext->recovery_passes_required[0])); + mutex_unlock(&c->sb_lock); bch2_shoot_down_journal_keys(c, BTREE_ID_alloc,