[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.35' (ECDSA) to the list of known hosts. executing program executing program executing program syzkaller login: [ 855.490305][ T6522] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 855.500045][ T6522] sch_tbf: burst 2 is lower than device lo mtu (65550) ! [ 855.514137][ T6523] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 855.523504][ T6523] sch_tbf: burst 2 is lower than device lo mtu (65550) ! executing program executing program [ 855.536373][ T6524] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 855.545777][ T6524] sch_tbf: burst 2 is lower than device lo mtu (65550) ! [ 855.557757][ T6525] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 855.567662][ T6525] sch_tbf: burst 2 is lower than device lo mtu (65550) ! [ 855.579857][ T6526] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. executing program executing program executing program [ 855.589238][ T6526] sch_tbf: burst 2 is lower than device lo mtu (65550) ! [ 855.600718][ T6527] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 855.610104][ T6527] sch_tbf: burst 2 is lower than device lo mtu (65550) ! [ 855.622195][ T6528] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 855.631666][ T6528] sch_tbf: burst 2 is lower than device lo mtu (65550) ! executing program executing program [ 855.643457][ T6529] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 855.652949][ T6529] sch_tbf: burst 2 is lower than device lo mtu (65550) ! [ 855.665973][ T6530] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 855.675573][ T6530] sch_tbf: burst 2 is lower than device lo mtu (65550) ! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 855.688587][ T6531] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 855.697944][ T6531] sch_tbf: burst 2 is lower than device lo mtu (65550) ! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 860.495788][ T7676] __nla_validate_parse: 1144 callbacks suppressed [ 860.495801][ T7676] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 860.511868][ T7676] tbf_change: 1144 callbacks suppressed [ 860.511883][ T7676] sch_tbf: burst 2 is lower than device lo mtu (65550) ! [ 860.530017][ T7677] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. executing program executing program executing program [ 860.539858][ T7677] sch_tbf: burst 2 is lower than device lo mtu (65550) ! [ 860.551739][ T7678] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 860.561163][ T7678] sch_tbf: burst 2 is lower than device lo mtu (65550) ! [ 860.573515][ T7679] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 860.582904][ T7679] sch_tbf: burst 2 is lower than device lo mtu (65550) ! executing program executing program [ 860.594584][ T7680] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 860.603947][ T7680] sch_tbf: burst 2 is lower than device lo mtu (65550) ! [ 860.616165][ T7681] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 860.625491][ T7681] sch_tbf: burst 2 is lower than device lo mtu (65550) ! [ 860.636941][ T7682] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. executing program executing program executing program [ 860.646302][ T7682] sch_tbf: burst 2 is lower than device lo mtu (65550) ! [ 860.657989][ T7683] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 860.667343][ T7683] sch_tbf: burst 2 is lower than device lo mtu (65550) ! [ 860.678536][ T7684] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 860.687889][ T7684] sch_tbf: burst 2 is lower than device lo mtu (65550) ! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 860.699271][ T7685] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 860.708625][ T7685] sch_tbf: burst 2 is lower than device lo mtu (65550) ! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 865.504335][ T8822] __nla_validate_parse: 1136 callbacks suppressed [ 865.504348][ T8822] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 865.524823][ T8823] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 865.534384][ T8823] tbf_change: 1137 callbacks suppressed [ 865.534394][ T8823] sch_tbf: burst 2 is lower than device lo mtu (65550) ! executing program executing program [ 865.553280][ T8824] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 865.562737][ T8824] sch_tbf: burst 2 is lower than device lo mtu (65550) ! [ 865.574889][ T8825] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 865.584486][ T8825] sch_tbf: burst 2 is lower than device lo mtu (65550) ! executing program executing program executing program [ 865.596507][ T8826] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 865.605896][ T8826] sch_tbf: burst 2 is lower than device lo mtu (65550) ! [ 865.617478][ T8827] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 865.626865][ T8827] sch_tbf: burst 2 is lower than device lo mtu (65550) ! [ 865.638280][ T8828] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 865.647676][ T8828] sch_tbf: burst 2 is lower than device lo mtu (65550) ! executing program executing program [ 865.659151][ T8829] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 865.668547][ T8829] sch_tbf: burst 2 is lower than device lo mtu (65550) ! [ 865.681807][ T8830] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 865.691130][ T8830] sch_tbf: burst 2 is lower than device lo mtu (65550) ! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 865.703809][ T8831] netlink: 8 bytes leftover after parsing attributes in process `syz-executor707'. [ 865.713290][ T8831] sch_tbf: burst 2 is lower than device lo mtu (65550) ! [ 865.725129][ T8832] sch_tbf: burst 2 is lower than device lo mtu (65550) ! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 869.631572][ T1359] aoe: packet could not be sent on lo. consider increasing tx_queue_len [ 1146.082898][ T27] INFO: task kworker/1:0:9770 blocked for more than 143 seconds. [ 1146.090712][ T27] Not tainted 5.15.0-rc5-syzkaller #0 [ 1146.096709][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1146.105443][ T27] task:kworker/1:0 state:D stack:29864 pid: 9770 ppid: 2 flags:0x00004000 [ 1146.114902][ T27] Workqueue: ipv6_addrconf addrconf_verify_work [ 1146.121252][ T27] Call Trace: [ 1146.124703][ T27] __schedule+0xb44/0x5960 [ 1146.129213][ T27] ? find_held_lock+0x2d/0x110 [ 1146.134233][ T27] ? wq_worker_sleeping+0x18e/0x1e0 [ 1146.139477][ T27] ? mark_lock+0x17a0/0x17b0 [ 1146.144254][ T27] ? io_schedule_timeout+0x140/0x140 [ 1146.149550][ T27] ? _raw_spin_unlock_irq+0x1f/0x40 [ 1146.154952][ T27] ? lockdep_hardirqs_on+0x79/0x100 [ 1146.160185][ T27] schedule+0xd3/0x270 [ 1146.164422][ T27] schedule_preempt_disabled+0xf/0x20 [ 1146.169809][ T27] __mutex_lock+0xa34/0x12f0 [ 1146.174611][ T27] ? addrconf_verify_work+0xa/0x20 [ 1146.179735][ T27] ? mutex_lock_io_nested+0x1150/0x1150 [ 1146.185453][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 1146.190324][ T27] addrconf_verify_work+0xa/0x20 [ 1146.195472][ T27] process_one_work+0x9bf/0x16b0 [ 1146.200427][ T27] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 1146.205981][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 1146.210928][ T27] ? _raw_spin_lock_irq+0x41/0x50 [ 1146.216165][ T27] worker_thread+0x658/0x11f0 [ 1146.220857][ T27] ? process_one_work+0x16b0/0x16b0 [ 1146.226413][ T27] kthread+0x3e5/0x4d0 [ 1146.230561][ T27] ? set_kthread_struct+0x130/0x130 [ 1146.235998][ T27] ret_from_fork+0x1f/0x30 [ 1146.240507][ T27] [ 1146.240507][ T27] Showing all locks held in the system: [ 1146.248409][ T27] 1 lock held by khungtaskd/27: [ 1146.253506][ T27] #0: ffffffff8b981ee0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 1146.263497][ T27] 1 lock held by syz-executor707/9764: [ 1146.268950][ T27] #0: ffffffff8d0e90e8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 [ 1146.278505][ T27] 3 locks held by kworker/1:0/9770: [ 1146.283775][ T27] #0: ffff8881477c7938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x8a3/0x16b0 [ 1146.294857][ T27] #1: ffffc9000ba27db0 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x8d7/0x16b0 [ 1146.305201][ T27] #2: ffffffff8d0e90e8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20 [ 1146.314741][ T27] [ 1146.317066][ T27] ============================================= [ 1146.317066][ T27] [ 1146.325985][ T27] NMI backtrace for cpu 1 [ 1146.330316][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.0-rc5-syzkaller #0 [ 1146.338458][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1146.348491][ T27] Call Trace: [ 1146.351751][ T27] dump_stack_lvl+0xcd/0x134 [ 1146.356386][ T27] nmi_cpu_backtrace.cold+0x47/0x144 [ 1146.361661][ T27] ? lapic_can_unplug_cpu+0x80/0x80 [ 1146.366881][ T27] nmi_trigger_cpumask_backtrace+0x1ae/0x220 [ 1146.372889][ T27] watchdog+0xc1d/0xf50 [ 1146.377066][ T27] ? reset_hung_task_detector+0x30/0x30 [ 1146.382594][ T27] kthread+0x3e5/0x4d0 [ 1146.386645][ T27] ? set_kthread_struct+0x130/0x130 [ 1146.391827][ T27] ret_from_fork+0x1f/0x30 [ 1146.396391][ T27] Sending NMI from CPU 1 to CPUs 0: [ 1146.401613][ C0] NMI backtrace for cpu 0 [ 1146.401622][ C0] CPU: 0 PID: 2967 Comm: systemd-journal Not tainted 5.15.0-rc5-syzkaller #0 [ 1146.401642][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1146.401652][ C0] RIP: 0010:__orc_find+0x66/0xf0 [ 1146.401674][ C0] Code: 8d 6b 04 49 89 de 49 39 ec 72 4d 4c 89 e0 48 29 e8 48 89 c2 48 c1 e8 3f 48 c1 fa 02 48 01 d0 48 d1 f8 48 8d 5c 85 00 48 89 d8 <48> c1 e8 03 42 0f b6 14 38 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 [ 1146.401691][ C0] RSP: 0018:ffffc90002b9f840 EFLAGS: 00000247 [ 1146.401707][ C0] RAX: ffffffff8de01a44 RBX: ffffffff8de01a44 RCX: ffffffff893808d4 [ 1146.401720][ C0] RDX: 0000000000000001 RSI: ffffffff8e8006f6 RDI: ffffffff8de01a20 [ 1146.401733][ C0] RBP: ffffffff8de01a44 R08: 0000000000000000 R09: ffffffff8e8006f6 [ 1146.401746][ C0] R10: fffff52000573f37 R11: 0000000000086089 R12: ffffffff8de01a48 [ 1146.401758][ C0] R13: ffffffff8de01a20 R14: ffffffff8de01a40 R15: dffffc0000000000 [ 1146.401772][ C0] FS: 00007f0d6caa28c0(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 1146.401789][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1146.401802][ C0] CR2: 00007f0d69e79000 CR3: 000000007b5c0000 CR4: 00000000003506f0 [ 1146.401815][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1146.401826][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1146.401838][ C0] Call Trace: [ 1146.401843][ C0] ? arch_stack_walk+0x5c/0xe0 [ 1146.401888][ C0] ? do_syscall_64+0x34/0xb0 [ 1146.401908][ C0] unwind_next_frame+0x32a/0x1ce0 [ 1146.401932][ C0] ? do_syscall_64+0x35/0xb0 [ 1146.401952][ C0] ? deref_stack_reg+0x150/0x150 [ 1146.401971][ C0] ? __unwind_start+0x51b/0x800 [ 1146.401989][ C0] ? create_prof_cpu_mask+0x20/0x20 [ 1146.402042][ C0] arch_stack_walk+0x7d/0xe0 [ 1146.402063][ C0] ? do_syscall_64+0x35/0xb0 [ 1146.402083][ C0] ? kmem_cache_free+0x8a/0x5b0 [ 1146.402121][ C0] stack_trace_save+0x8c/0xc0 [ 1146.402142][ C0] ? stack_trace_consume_entry+0x160/0x160 [ 1146.402167][ C0] kasan_save_stack+0x1b/0x40 [ 1146.402184][ C0] ? kasan_save_stack+0x1b/0x40 [ 1146.402202][ C0] ? kasan_set_track+0x1c/0x30 [ 1146.402219][ C0] ? kasan_set_free_info+0x20/0x30 [ 1146.402239][ C0] ? __kasan_slab_free+0xff/0x130 [ 1146.402257][ C0] ? slab_free_freelist_hook+0x81/0x190 [ 1146.402297][ C0] ? kmem_cache_free+0x8a/0x5b0 [ 1146.402314][ C0] ? putname+0xfe/0x140 [ 1146.402353][ C0] ? do_sys_openat2+0x153/0x4d0 [ 1146.402393][ C0] ? __x64_sys_open+0x119/0x1c0 [ 1146.402411][ C0] ? do_syscall_64+0x35/0xb0 [ 1146.402434][ C0] ? find_held_lock+0x2d/0x110 [ 1146.402456][ C0] ? debug_check_no_obj_freed+0x20c/0x420 [ 1146.402500][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 1146.402523][ C0] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 1146.402548][ C0] ? lockdep_hardirqs_on+0x79/0x100 [ 1146.402570][ C0] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 1146.402593][ C0] ? debug_check_no_obj_freed+0x20c/0x420 [ 1146.402613][ C0] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1146.402636][ C0] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1146.402658][ C0] kasan_set_track+0x1c/0x30 [ 1146.402676][ C0] kasan_set_free_info+0x20/0x30 [ 1146.402698][ C0] __kasan_slab_free+0xff/0x130 [ 1146.402717][ C0] slab_free_freelist_hook+0x81/0x190 [ 1146.402741][ C0] kmem_cache_free+0x8a/0x5b0 [ 1146.402759][ C0] ? putname+0xfe/0x140 [ 1146.402783][ C0] putname+0xfe/0x140 [ 1146.402804][ C0] do_sys_openat2+0x153/0x4d0 [ 1146.402823][ C0] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1146.402845][ C0] ? build_open_flags+0x6f0/0x6f0 [ 1146.402866][ C0] ? seccomp_notify_ioctl+0xdc0/0xdc0 [ 1146.402891][ C0] __x64_sys_open+0x119/0x1c0 [ 1146.402910][ C0] ? do_sys_open+0x140/0x140 [ 1146.402935][ C0] ? __secure_computing+0x104/0x360 [ 1146.402959][ C0] do_syscall_64+0x35/0xb0 [ 1146.402978][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1146.403030][ C0] RIP: 0033:0x7f0d6c031840 [ 1146.403046][ C0] Code: 73 01 c3 48 8b 0d 68 77 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 89 bb 20 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 [ 1146.403063][ C0] RSP: 002b:00007ffc35fa8fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1146.403081][ C0] RAX: ffffffffffffffda RBX: 00007ffc35fa92f0 RCX: 00007f0d6c031840 [ 1146.403094][ C0] RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 0000564eb698bc90 [ 1146.403106][ C0] RBP: 000000000000000d R08: 0000000000000000 R09: 00000000ffffffff [ 1146.403118][ C0] R10: 0000000000000069 R11: 0000000000000246 R12: 00000000ffffffff [ 1146.403130][ C0] R13: 0000564eb6980040 R14: 00007ffc35fa92b0 R15: 0000564eb698d6b0 [ 1146.403151][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.538 msecs [ 1146.403679][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 1146.866468][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.0-rc5-syzkaller #0 [ 1146.874611][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1146.884652][ T27] Call Trace: [ 1146.887918][ T27] dump_stack_lvl+0xcd/0x134 [ 1146.892522][ T27] panic+0x2b0/0x6dd [ 1146.896444][ T27] ? __warn_printk+0xf3/0xf3 [ 1146.901031][ T27] ? lapic_can_unplug_cpu+0x80/0x80 [ 1146.906224][ T27] ? preempt_schedule_thunk+0x16/0x18 [ 1146.911589][ T27] ? nmi_trigger_cpumask_backtrace+0x191/0x220 [ 1146.917751][ T27] ? watchdog.cold+0x130/0x158 [ 1146.922544][ T27] watchdog.cold+0x141/0x158 [ 1146.927135][ T27] ? reset_hung_task_detector+0x30/0x30 [ 1146.932695][ T27] kthread+0x3e5/0x4d0 [ 1146.936762][ T27] ? set_kthread_struct+0x130/0x130 [ 1146.941963][ T27] ret_from_fork+0x1f/0x30 [ 1146.946745][ T27] Kernel Offset: disabled [ 1146.951067][ T27] Rebooting in 86400 seconds..