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Re: [Qemu-block] [PATCH v1] ide: check BlockBackend object in ide_cancel

From: P J P
Subject: Re: [Qemu-block] [PATCH v1] ide: check BlockBackend object in ide_cancel_dma_sync
Date: Tue, 18 Jul 2017 12:25:25 +0530 (IST)

  Hello Kevin,

+-- On Mon, 17 Jul 2017, Kevin Wolf wrote --+
| I think Stefan didn't only mean a stack trace, but an actual instruction
| how to reproduce this. VM configuration, what actions to take, etc.
| In fact, I will add that we will probably want a qtest case as a
| regression test anyway, and tests are always great for describing how to
| reproduce a problem, too.

It was found via a fuzzing exercise; I've requested a reproducer from original 
reporter, will try to create a qtest once it's available.

Thank you.
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F

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