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From: Nam Cao <namcao@linutronix.de>
To: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Cc: jayalk@intworks.biz, Daniel Vetter <daniel@ffwll.ch>, deller@gmx.de,
 linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org,
 tiwai@suse.de, bigeasy@linutronix.de, patrik.r.jakobsson@gmail.com, LKML
 <linux-kernel@vger.kernel.org>, Vegard Nossum <vegard.nossum@oracle.com>,
 George Kennedy <george.kennedy@oracle.com>, Darren Kenny
 <darren.kenny@oracle.com>, chuansheng.liu@intel.com
Subject: Re: [bug-report] task info hung problem in fb_deferred_io_work()
Message-ID: <20240418160652.68df1a86@namcao>
In-Reply-To: <271372d6-e665-4e7f-b088-dee5f4ab341a@oracle.com>
References: <271372d6-e665-4e7f-b088-dee5f4ab341a@oracle.com>
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On 2024-04-18 Harshit Mogalapalli wrote:
> While fuzzing 5.15.y kernel with Syzkaller, we noticed a INFO: task hung 
> bug in fb_deferred_io_work()

Which framebuffer device are you using exactly? It is possible that
the problem is with the device driver, not core framebuffer.

Best regards,
Nam