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: syzbot+6513c4afe66237d72...@syzkaller.appspotmail.com 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.