Module Name: src
Committed By: maxv
Date: Sat Apr 13 06:17:33 UTC 2019
Modified Files:
src/sys/dev/pci: vioscsi.c
Log Message:
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@.
Fixes PR/54008
Reported-by: [email protected]
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.
