From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f197.google.com (mail-oi1-f197.google.com [209.85.167.197]) (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 D3E213BED59 for ; Sat, 29 Aug 2026 15:56:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788018976; cv=none; b=T/t/NHH/+RwSu7GZq7wMkgj+4c/6RVFKvQPhw5Ee7MCyJqBVPd3lfLSPnrcaSdRteUCh38Er+/srdSCA2BWBP5d7JmiQOuA+lY4Pcneou1iDmv3WGUXosfIJcByWoH4juem/TCDCnneX42VqmFv/kvaDCgnp0MK85GmJ4W+mlyA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788018976; c=relaxed/simple; bh=IFKHfgVFc1rWdGFd6rVv2M1jw45BBFJD2+4hD2V0JLY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=q1Hq42ZeZVNvjIZb1HsHukbo+w4cwmAG4Y60yFwjsM/c8jyVfNpZohwb7NLgC9GDmcJWmN6/bueHNuqIk1r4I7QFagyYF2LFviP89cL5wp405053fjctcJe1mlcH+st4YpXQxPkqrWUggrOE2T7WUeFXU3SAVRbhwG/2wB6def0= 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=209.85.167.197 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-oi1-f197.google.com with SMTP id 5614622812f47-4b37620eb73so4659554b6e.1 for ; Sat, 29 Aug 2026 08:56:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788018962; x=1788623762; h=content-type:to:from:subject:message-id:in-reply-to:date :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to:content-type; bh=WXXv4xpnt1/RIHcZ+q2gQWeRw9AsLgQNjGhPdDBrae8=; b=gSZBhBdQVSh/KRI/BFUYegjq+6s5s2JhyLkvFuKhroH3fSfnADsYtqduSIv6eO7MIs muSGqCPIPd36TpSu2hjSXXbsSDdn87/reRNYKbyQwvj+NTfMzrwzzzM5OMvXlhRUIb/W wk2FstEZ44NTJBUw46EVSxH6XK8rNZ3v9ESsKFZSaY65zaFtK7xqtz913Is72UeAVPd5 jv50vZhhglf6U35e9cvgqQr0p/10ZA4ENWMdlbLpxPrse3/z2I0jCS/b+JTQIP1kPQL6 BqXg8VMSrmB9jhyPUp+Q68JUjXi+oUcduQ6dazWrawOSuLwZpsXiNsisRMCexKqZq5rz 3Lmg== X-Forwarded-Encrypted: i=1; AHgh+RrjrwfRbGGK2rYzzR1wAf3tp47g5nOQzRkWh3sewdcwLBpdoENxI73dZOtMt9ta7feIvvMdvCnASxTXlB0=@vger.kernel.org X-Gm-Message-State: AFuF++lXI5wwVlU+6eZK5SZov7LMYmul4PLO7ntWnNvUihnitWod61F6 9S5d+o7CG3N+RjngQmF0lx8s2mbIx4XYXTaDFvTPLPGyNiaqreiAAHI2ycMBHQ68Rc92KX220bU jcWfQBu0ZLNexrhhhZVLUb5PB0Z+W81c8GQ3tHKQbYxec2NKlwiUN62O4z10= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:6783:b0:496:11f1:f2ad with SMTP id 5614622812f47-4b3980587b6mr16630161b6e.6.1788018962740; Sat, 29 Aug 2026 08:56:02 -0700 (PDT) Date: Sat, 29 Aug 2026 08:56:02 -0700 In-Reply-To: <6a78d191.b50370da.49fe0.0041.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a930112.1d9ded08.62e62.010c.GAE@google.com> Subject: Re: [syzbot] [media?] [dri?] WARNING in udmabuf_create From: syzbot To: christian.koenig@amd.com, dri-devel@lists.freedesktop.org, kraxel@redhat.com, linaro-mm-sig-bounces@lists.linaro.org, linaro-mm-sig@lists.linaro.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, robert.mader@collabora.com, sumit.semwal@linaro.org, syzkaller-bugs@googlegroups.com, vivek.kasireddy@intel.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 44e9eb5a762142a4aa46c0b5da7c39bfeb78910e Author: Robert Mader Date: Wed Jul 22 11:01:45 2026 +0000 dma-buf/udmabuf: Disable the size limit by default bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17d14379580000 start commit: 0a0d1d55dad5 Merge tag 'scftorture.2026.08.18a' of git://g.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=14314379580000 console output: https://syzkaller.appspot.com/x/log.txt?x=10314379580000 kernel config: https://syzkaller.appspot.com/x/.config?x=335632b21d0ce540 dashboard link: https://syzkaller.appspot.com/bug?extid=bfeed181d1ce9ec87a8f syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16c2719e580000 Reported-by: syzbot+bfeed181d1ce9ec87a8f@syzkaller.appspotmail.com Fixes: 44e9eb5a7621 ("dma-buf/udmabuf: Disable the size limit by default") For information about bisection process see: https://goo.gl/tpsmEJ#bisection