From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) (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 1BA11322A for ; Sun, 15 Jun 2025 09:56:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749981366; cv=none; b=cAo9pH3NcogM0tnN54Bv+nSPgct/CASD2divQOET43ESe6U5r46iqwv1CQqCJ55opxMvT7fkye2EfvDpaKEsGnzbLBsN4wIGK3nU1ZJ4wt34QNDp4ukVqp5luP2c6yV5VEGgHnM5CSTlk3vLKFmalQPsTwBKlLKuJZyIO1d9TSg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749981366; c=relaxed/simple; bh=dZIhcLUob/yE99krHJIG/yTSjf70smLK4p8/iQjCoPE=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=GHz5mZ2S6X24x4GWS/0jiVxsx0HU7Bg+PznDv7JV/nOS8gKl19dHXFSKk6OusSLH5xfhBaKJ5BUsNZ0R3xqvrgjiWy/e1AUomrwExqU/Ts3oTQdyhFLW7X/hV+vH3KI3WOV+wY9VtA4SSts5A8Ug6VJzga4HaJ19VZYe0B7XowQ= 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=209.85.166.69 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-f69.google.com with SMTP id ca18e2360f4ac-86cfea700daso366034339f.0 for ; Sun, 15 Jun 2025 02:56:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1749981364; x=1750586164; 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=ocLTJRY+fhwTjCrhxf4nK0M6rGEU4j+JnFi0dOpX+ow=; b=MIa5s1YgQ0NMMtxUxDgWjwBaviSgHBeT8LYPJAbNLYEBdXez+ybmHMcypz4E4VyB91 gGSXYEXBoffj7zNc3amUJmZAKA6Fe9v6dKu9/j4WHqwcniLRfNhPg6ivtqfUNr+6GVnI Yyq4nXmiwKk0MuspPIxPzNcU1s9d9m/wuHi6hLh09e5ieiTJD6nyHIIYSdgclLZ7uIlf 4UyuArYFBco2OqP1MHL2sAgHYQKGMuIWYOA5gQbwW/8Z2Xhk20mEjYmCuHpaOjRcdxsy o5X9e3+Rq6LBXlRX8Fx3VyRTYc9DqhVDoO+SF5KNlQz/Yhbfw/LnYQiyR4YUg5oKNZKx 3FqA== X-Forwarded-Encrypted: i=1; AJvYcCUdDxdDNYOpA6M5BKZAGrp6Rz5bsWLSJejBJy0VlJcSQqg5d3HoJz986cc326N4nkLcuYskG6kVlk6qXjrXrA==@vger.kernel.org X-Gm-Message-State: AOJu0Yy+mwcSN/8zghzmKAQdCmZ6/FD9Kc+3HYs894ODhHwnBhWY7kv9 fvOcMyN7Bsenf/nCgGiKQGEUE9fuC6y6jKcWoeA9CbTXmSkgbIRxxbZGZWMOcQQCEB7A8a27oip +aN09E0Vf0zGf50eC/DvtdjWtvBQQsWS36dlmD3dTIW7GTNLo6c0X4A2cqFM= X-Google-Smtp-Source: AGHT+IEgPdrA2IM9OWgw6N/hK3nuguJZrWn9t3hAUZqWQkF7lKWgmWhh4O4vCROHhhDs8bphPbTlJovLhvktfgyPBoq6myrdvO2n Precedence: bulk X-Mailing-List: linux-bcachefs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:160b:b0:3dd:bb7e:f1af with SMTP id e9e14a558f8ab-3de07cedfc2mr57014685ab.20.1749981364287; Sun, 15 Jun 2025 02:56:04 -0700 (PDT) Date: Sun, 15 Jun 2025 02:56:04 -0700 In-Reply-To: <684c5575.a00a0220.279073.0012.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <684e98b4.a00a0220.279073.002b.GAE@google.com> Subject: Re: [syzbot] [bcachefs?] KASAN: use-after-free Read in poly1305_update From: syzbot To: bp@alien8.de, dave.hansen@linux.intel.com, davem@davemloft.net, herbert@gondor.apana.org.au, hpa@zytor.com, kent.overstreet@linux.dev, linux-bcachefs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, mmpgouride@gmail.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit d97de0d017cde0d442c3d144b4f969f43064cc0f Author: Kent Overstreet Date: Tue Aug 13 01:31:25 2024 +0000 bcachefs: Make bkey_fsck_err() a wrapper around fsck_err() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1683290c580000 start commit: 02adc1490e6d Merge tag 'spi-fix-v6.16-rc1' of git://git.ke.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1583290c580000 console output: https://syzkaller.appspot.com/x/log.txt?x=1183290c580000 kernel config: https://syzkaller.appspot.com/x/.config?x=162faeb2d1eaefb4 dashboard link: https://syzkaller.appspot.com/bug?extid=bfaeaa8e26281970158d syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1555310c580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12810e82580000 Reported-by: syzbot+bfaeaa8e26281970158d@syzkaller.appspotmail.com Fixes: d97de0d017cd ("bcachefs: Make bkey_fsck_err() a wrapper around fsck_err()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection