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 336A62550CF for ; Tue, 15 Jul 2025 10:09:02 +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=1752574144; cv=none; b=fbgNz8ntHkNirozsBGoAakkIRYGXoD1akQo75m+tp1K+ZL9fNkO2kD3MgpdkQxzkC57UI3KVw35Ms/aa+WRxdeeTkdYMAk+aMxNc2Vla03QzEij/jco7+6I+JG+MHom+eBgTm6W3B2eT6N+Ja7YObtIMZ3PditFKgsJklnjMYRM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752574144; c=relaxed/simple; bh=hxcRH5pJi24BOC1XzRXTiae1Sa0feToSC41uN8MIri0=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=fjRT1BAQQ+WbGdINl+13TY+WUbruxDhz22mMPQ4Z3aoQ0k0CI/MTYcfZC1FitlHx6B6Ccc7mtG8h4MBdElghDw/qFByrP8iNgpLH4cotsX5XO1M31AM3gkEztc80XFG8kWWnn5iOcxEYCF6fXa4+OJnlCpbzIltw6rvrv7k+wmg= 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-86d1218df67so564390339f.1 for ; Tue, 15 Jul 2025 03:09:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752574142; x=1753178942; 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=UyT05bOxl++wcvX5JT3gde/jg532HYEAkIZ5w84oF+8=; b=eWvUVGf8MhOXf5ikmPkdOv30Ikv5BGP+G/HSFuivtsw5ELx3kE855WeOnDcu3s5LSo UniJJqa1ClGM6zSAouBckj7N+rpu0n3plARlXiCtBGUb3z9FcQkf1uiXbWXUu6AsrUgD UgTcgUq8lt8HfoSCg5EoX0823qUaq85eYaFxtC32wpRg9Feb2y694BRhBJto9CEtK6WR SEhv223JO9vgO0MOAiRWc8F2scI5E7e6+wA3tHLR6Yg0pqVDL8TeOuMdL9KSlb2ocIFW UryE8H691XdniN2eXwXoepeUfdHwEnOsHUheXoka42Qg1D8s7x4zsntgQLJEA9F/+wrr OwVg== X-Forwarded-Encrypted: i=1; AJvYcCXgnjo/UB2U2Mux/3lTiChAdiaOMgyBHp6wr/E9hJWHXp0Qc+v/gPWgddAH9HbM2uDYW3KL87ozrvLJGMcS@vger.kernel.org X-Gm-Message-State: AOJu0Ywti8epTuWgNyeTYe0RXWC4DPVUKvxh3FDvx3T8GP5EpE0CoZmi OzDrblvF1ytv4Ju0moop1NU+x4JPYB5H5t/vOTL/0Ic+sSdy+j8XhOcTFC8e59PXuk1YqLrkSm8 9zb/8HXFpNlFcCMIUuHtjdr5dL9DOeCMf//z4Ot1X4qsL3/VGS0fJ85NFzR0= X-Google-Smtp-Source: AGHT+IH2DFYeAFFLDDO9dP62cwAlCAiY9tE8j/X4gV4X7LCMcUYU/t+bxXp9FyqJlm9EWACQcGM10N0/l4YElxSfPnhgPCVhp0sy Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:2dcd:b0:86c:fdb3:2798 with SMTP id ca18e2360f4ac-87978866cf4mr1804968239f.11.1752574142353; Tue, 15 Jul 2025 03:09:02 -0700 (PDT) Date: Tue, 15 Jul 2025 03:09:02 -0700 In-Reply-To: <68757288.a70a0220.5f69f.0003.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <687628be.a00a0220.3af5df.0002.GAE@google.com> Subject: Re: [syzbot] [fs?] WARNING: bad unlock balance in query_matching_vma From: syzbot To: akpm@linux-foundation.org, andrii@kernel.org, david@redhat.com, hdanton@sina.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, lorenzo.stoakes@oracle.com, surenb@google.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit fb8a9ee1f05345b1fae37902d32d954d2150437b Author: Suren Baghdasaryan Date: Fri Jul 4 06:07:26 2025 +0000 fs/proc/task_mmu: execute PROCMAP_QUERY ioctl under per-vma locks bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=171c27d4580000 start commit: a62b7a37e6fc Add linux-next specific files for 20250711 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=149c27d4580000 console output: https://syzkaller.appspot.com/x/log.txt?x=109c27d4580000 kernel config: https://syzkaller.appspot.com/x/.config?x=bb4e3ec360fcbd0f dashboard link: https://syzkaller.appspot.com/bug?extid=d4316c39e84f412115c9 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14ad50f0580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1173018c580000 Reported-by: syzbot+d4316c39e84f412115c9@syzkaller.appspotmail.com Fixes: fb8a9ee1f053 ("fs/proc/task_mmu: execute PROCMAP_QUERY ioctl under per-vma locks") For information about bisection process see: https://goo.gl/tpsmEJ#bisection