search for: 16320f363ae1

The access of vsock is not protected by vhost_vsock_lock. This may lead use after free since vhost_vsock_dev_release() may free the pointer at the same time. Fix this by holding the lock during the acess. Reported-by: syzbot+e3e074963495f92a89ed at syzkaller.appspotmail.com Fixes: 16320f363ae1 ("vhost-vsock: add pkt cancel capability") Fixes: 433fc58e6bf2 ("VSOCK: Introduce vhost_vsock.ko") Cc: Stefan Hajnoczi <stefanha at redhat.com> Signed-off-by: Jason Wang <jasowang at redhat.com> --- - The patch is needed for -stable. --- drivers/vhost/vsock.c | 26 +...

The access of vsock is not protected by vhost_vsock_lock. This may lead use after free since vhost_vsock_dev_release() may free the pointer at the same time. Fix this by holding the lock during the acess. Reported-by: syzbot+e3e074963495f92a89ed at syzkaller.appspotmail.com Fixes: 16320f363ae1 ("vhost-vsock: add pkt cancel capability") Fixes: 433fc58e6bf2 ("VSOCK: Introduce vhost_vsock.ko") Cc: Stefan Hajnoczi <stefanha at redhat.com> Signed-off-by: Jason Wang <jasowang at redhat.com> --- - The patch is needed for -stable. --- drivers/vhost/vsock.c | 26 +...

The access of vsock is not protected by vhost_vsock_lock. This may lead to use after free since vhost_vsock_dev_release() may free the pointer at the same time. Fix this by holding the lock during the access. Reported-by: syzbot+e3e074963495f92a89ed at syzkaller.appspotmail.com Fixes: 16320f363ae1 ("vhost-vsock: add pkt cancel capability") Fixes: 433fc58e6bf2 ("VSOCK: Introduce vhost_vsock.ko") Cc: Stefan Hajnoczi <stefanha at redhat.com> Signed-off-by: Jason Wang <jasowang at redhat.com> --- - V2: fix typos - The patch is needed for -stable. --- drivers/vhos...

The access of vsock is not protected by vhost_vsock_lock. This may lead to use after free since vhost_vsock_dev_release() may free the pointer at the same time. Fix this by holding the lock during the access. Reported-by: syzbot+e3e074963495f92a89ed at syzkaller.appspotmail.com Fixes: 16320f363ae1 ("vhost-vsock: add pkt cancel capability") Fixes: 433fc58e6bf2 ("VSOCK: Introduce vhost_vsock.ko") Cc: Stefan Hajnoczi <stefanha at redhat.com> Signed-off-by: Jason Wang <jasowang at redhat.com> --- - V2: fix typos - The patch is needed for -stable. --- drivers/vhos...

...ock_lock. This may >> lead to use after free since vhost_vsock_dev_release() may free the >> pointer at the same time. >> >> Fix this by holding the lock during the access. >> >> Reported-by:syzbot+e3e074963495f92a89ed at syzkaller.appspotmail.com >> Fixes: 16320f363ae1 ("vhost-vsock: add pkt cancel capability") >> Fixes: 433fc58e6bf2 ("VSOCK: Introduce vhost_vsock.ko") >> Cc: Stefan Hajnoczi<stefanha at redhat.com> >> Signed-off-by: Jason Wang<jasowang at redhat.com> > Wow is that really the best we can do? Fo...

...ock_lock. This may >> lead to use after free since vhost_vsock_dev_release() may free the >> pointer at the same time. >> >> Fix this by holding the lock during the access. >> >> Reported-by:syzbot+e3e074963495f92a89ed at syzkaller.appspotmail.com >> Fixes: 16320f363ae1 ("vhost-vsock: add pkt cancel capability") >> Fixes: 433fc58e6bf2 ("VSOCK: Introduce vhost_vsock.ko") >> Cc: Stefan Hajnoczi<stefanha at redhat.com> >> Signed-off-by: Jason Wang<jasowang at redhat.com> > Wow is that really the best we can do? Fo...

..._vsock_lock. This may > lead use after free since vhost_vsock_dev_release() may free the Lead to use. > pointer at the same time. > > Fix this by holding the lock during the acess. Access. > Reported-by: syzbot+e3e074963495f92a89ed at syzkaller.appspotmail.com > Fixes: 16320f363ae1 ("vhost-vsock: add pkt cancel capability") > Fixes: 433fc58e6bf2 ("VSOCK: Introduce vhost_vsock.ko") > Cc: Stefan Hajnoczi <stefanha at redhat.com> > Signed-off-by: Jason Wang <jasowang at redhat.com> [...] MBR, Sergei

...not protected by vhost_vsock_lock. This may > lead to use after free since vhost_vsock_dev_release() may free the > pointer at the same time. > > Fix this by holding the lock during the access. > > Reported-by: syzbot+e3e074963495f92a89ed at syzkaller.appspotmail.com > Fixes: 16320f363ae1 ("vhost-vsock: add pkt cancel capability") > Fixes: 433fc58e6bf2 ("VSOCK: Introduce vhost_vsock.ko") > Cc: Stefan Hajnoczi <stefanha at redhat.com> > Signed-off-by: Jason Wang <jasowang at redhat.com> Wow is that really the best we can do? A global lock on...

...e after free since vhost_vsock_dev_release() may free the > > > pointer at the same time. > > > > > > Fix this by holding the lock during the access. > > > > > > Reported-by:syzbot+e3e074963495f92a89ed at syzkaller.appspotmail.com > > > Fixes: 16320f363ae1 ("vhost-vsock: add pkt cancel capability") > > > Fixes: 433fc58e6bf2 ("VSOCK: Introduce vhost_vsock.ko") > > > Cc: Stefan Hajnoczi<stefanha at redhat.com> > > > Signed-off-by: Jason Wang<jasowang at redhat.com> > > Wow is that really...