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PR/54008 CVS commit: src/sys/dev/pci
The following reply was made to PR kern/54008; it has been noted by GNATS.
From: "Maxime Villard" <maxv%netbsd.org@localhost>
Subject: PR/54008 CVS commit: src/sys/dev/pci
Date: Sat, 13 Apr 2019 06:17:33 +0000
Module Name: src
Committed By: maxv
Date: Sat Apr 13 06:17:33 UTC 2019
Fix use-after-free. If we're not polling, virtio_enqueue_commit() will send
the transaction, and it means 'xs' can be immediately freed. So, save the
value of xs_control beforehand.
Detected by KASAN, ok jdolecek@.
To generate a diff of this commit:
cvs rdiff -u -r1.20 -r1.21 src/sys/dev/pci/vioscsi.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
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