A weekly ping on this one, any chance to get this fix for a guest-triggered host crash included?
Thanks, Claudio On 8/2/22 02:49, Claudio Fontana wrote: > This is an alternative, more general fix compared with PATCH v1, > and fixes style issues in v2. > > The series fixes a segmentation fault in the OVS PMD thread when > resynchronizing with QEMU after the guest application has been killed > with SIGKILL (patch 1/2), > > The segmentation fault can be caused by the guest DPDK application, > which is able this way to crash the OVS process on the host, > see the backtrace in patch 1/2. > > Patch 2/2 is an additional improvement in the current error handling. > > --- > Changes from v2: fix warnings from checkpatch. > --- > > Changes from v1: > > * patch 1/2: instead of only fixing virtio_dev_tx_split, put the check > for nr_vec == 0 inside desc_to_mbuf and mbuf_to_desc, so that in no > case they attempt to read and dereference addresses from the buf_vec[] > array when it does not contain any valid elements. > > --- > > For your review and comments, > > Claudio > > Claudio Fontana (2): > vhost: check for nr_vec == 0 in desc_to_mbuf, mbuf_to_desc > vhost: improve error handling in desc_to_mbuf > > lib/vhost/virtio_net.c | 16 ++++++++++++---- > 1 file changed, 12 insertions(+), 4 deletions(-) >
