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a=jiCTI4zE5U7BLdzWsZGv:22 a=RD47p0oAkeU5bO7t-o6f:22 a=ZNEGDu-Kzpn9XkiSx0wA:9 a=QEXdDO2ut3YA:10 a=WmVTiCyuxqgg3mnwYu6p:22 X-Proofpoint-ORIG-GUID: zGjO8zijlXG-Muh5xzhy1pE-WDlsbCeQ Hi Greg, >> 6.12.y inserts the new label inside the older MTU case's block: >> >> case NETDEV_CHANGEMTU: { >> struct macsec_dev *m; >> struct macsec_rxh_data *rxd; >> >> rxd = macsec_data_rtnl(real_dev); >> /* ... intervening source omitted ... */ >> break; >> case NETDEV_FEAT_CHANGE: >> list_for_each_entry(m, &rxd->secys, secys) { >> macsec_inherit_tso_max(m->secy.netdev); >> netdev_update_features(m->secy.netdev); >> } >> break; >> } >> >> NETDEV_FEAT_CHANGE skips the rxd assignment and dereferences an >> uninitialized pointer. Software MACsec reaches it too, before the >> offload check. >> >> I think 6.12.y needs f29d24a2106ae28a9b257503a615ee438efa3f95 ("macsec: >> clean up local variables in macsec_notify") before this backport, >> thoughts? > > This patch is now dropped, thanks. > thanks for dealing with this and other report Greg! Harshit > greg k-h >