[ 43.705320] audit: type=1800 audit(1546551388.487:30): pid=8056 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 47.682083] kauditd_printk_skb: 4 callbacks suppressed [ 47.682099] audit: type=1400 audit(1546551392.517:35): avc: denied { map } for pid=8230 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.15.217' (ECDSA) to the list of known hosts. [ 68.740284] audit: type=1400 audit(1546551413.567:36): avc: denied { map } for pid=8242 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2019/01/03 21:36:54 parsed 1 programs [ 69.496696] audit: type=1400 audit(1546551414.327:37): avc: denied { map } for pid=8242 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=76 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/01/03 21:36:56 executed programs: 0 [ 71.376399] IPVS: ftp: loaded support on port[0] = 21 [ 71.379046] IPVS: ftp: loaded support on port[0] = 21 [ 71.408161] IPVS: ftp: loaded support on port[0] = 21 [ 71.434159] IPVS: ftp: loaded support on port[0] = 21 [ 71.437340] IPVS: ftp: loaded support on port[0] = 21 [ 71.449125] IPVS: ftp: loaded support on port[0] = 21 [ 71.807530] chnl_net:caif_netlink_parms(): no params data found [ 71.832297] chnl_net:caif_netlink_parms(): no params data found [ 71.841348] chnl_net:caif_netlink_parms(): no params data found [ 71.987036] chnl_net:caif_netlink_parms(): no params data found [ 71.995508] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.002621] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.009658] device bridge_slave_0 entered promiscuous mode [ 72.033597] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.039977] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.047857] device bridge_slave_0 entered promiscuous mode [ 72.059013] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.066131] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.073244] device bridge_slave_1 entered promiscuous mode [ 72.099031] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.105844] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.112961] device bridge_slave_0 entered promiscuous mode [ 72.119534] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.126434] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.133667] device bridge_slave_1 entered promiscuous mode [ 72.185657] chnl_net:caif_netlink_parms(): no params data found [ 72.194515] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.202196] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.209136] device bridge_slave_1 entered promiscuous mode [ 72.226798] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 72.236144] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 72.245561] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 72.269413] chnl_net:caif_netlink_parms(): no params data found [ 72.281382] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 72.340468] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 72.356866] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 72.364890] team0: Port device team_slave_0 added [ 72.375213] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 72.383693] team0: Port device team_slave_1 added [ 72.399442] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 72.407319] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.414514] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.421978] device bridge_slave_0 entered promiscuous mode [ 72.436344] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 72.444235] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 72.456825] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 72.464787] team0: Port device team_slave_0 added [ 72.476820] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.484331] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.492230] device bridge_slave_1 entered promiscuous mode [ 72.535848] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 72.544058] team0: Port device team_slave_1 added [ 72.568593] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.575085] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.582588] device bridge_slave_0 entered promiscuous mode [ 72.653604] device hsr_slave_0 entered promiscuous mode [ 72.690613] device hsr_slave_1 entered promiscuous mode [ 72.730983] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 72.738379] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 72.745669] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 72.753405] team0: Port device team_slave_0 added [ 72.760101] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 72.768056] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.775080] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.782251] device bridge_slave_1 entered promiscuous mode [ 72.802440] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 72.816466] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 72.828929] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 72.836700] team0: Port device team_slave_1 added [ 72.843313] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 72.866175] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.872649] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.879588] device bridge_slave_0 entered promiscuous mode [ 72.886852] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.893634] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.901592] device bridge_slave_1 entered promiscuous mode [ 72.909374] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 72.924921] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 72.951296] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 73.013516] device hsr_slave_0 entered promiscuous mode [ 73.050570] device hsr_slave_1 entered promiscuous mode [ 73.090754] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 73.098125] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 73.107537] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 73.115331] team0: Port device team_slave_0 added [ 73.134201] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 73.141363] team0: Port device team_slave_1 added [ 73.146613] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 73.177172] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 73.185413] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 73.194340] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 73.253516] device hsr_slave_0 entered promiscuous mode [ 73.320434] device hsr_slave_1 entered promiscuous mode [ 73.370883] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 73.378323] team0: Port device team_slave_0 added [ 73.384657] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 73.453548] device hsr_slave_0 entered promiscuous mode [ 73.501587] device hsr_slave_1 entered promiscuous mode [ 73.540796] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 73.547814] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 73.554881] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 73.562451] team0: Port device team_slave_1 added [ 73.576315] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 73.583922] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 73.591187] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 73.598589] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 73.606437] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 73.616782] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 73.624536] team0: Port device team_slave_0 added [ 73.654572] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 73.662466] team0: Port device team_slave_1 added [ 73.668066] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 73.678061] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 73.695747] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 73.710451] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 73.772642] device hsr_slave_0 entered promiscuous mode [ 73.820668] device hsr_slave_1 entered promiscuous mode [ 73.860861] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 73.868535] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 73.943109] device hsr_slave_0 entered promiscuous mode [ 74.000622] device hsr_slave_1 entered promiscuous mode [ 74.073385] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 74.083305] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 74.098466] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 74.106475] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 74.137705] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.159385] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 74.188899] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.212042] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 74.222925] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 74.229010] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.241754] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 74.253532] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.262424] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.269253] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.277198] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.285055] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.291539] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.299332] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.311275] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 74.321459] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.333678] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.340535] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.348432] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.357082] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.363464] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.372717] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 74.382848] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 74.399881] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.407884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.428455] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.438514] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 74.449613] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 74.461875] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.472413] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.479552] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.487491] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.495406] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.503161] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.513853] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 74.519924] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.538641] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.545962] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.557745] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 74.567662] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 74.576573] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 74.586687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.596370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.603658] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.611656] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.619180] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.627392] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.635495] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.641904] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.651797] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 74.657870] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.667570] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 74.675305] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 74.683346] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.690942] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.697893] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.705021] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.713692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.721692] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.728086] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.739579] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 74.750831] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 74.760695] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.767967] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 74.778430] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 74.787005] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.795077] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.802923] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.809252] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.816189] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.823879] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.831664] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.839056] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.846690] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.855488] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.865837] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 74.877955] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.887890] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.909410] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 74.919348] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 74.933348] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 74.939378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.947849] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 74.958218] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 74.966712] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.975059] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.983312] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.989647] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.996946] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.004684] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.012416] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.018748] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.025930] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.034008] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.042016] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.052284] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 75.059174] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.066410] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.073964] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.084767] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 75.101629] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 75.113165] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 75.124032] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.131852] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.139377] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.145763] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.152827] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.160750] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.168255] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.177726] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 75.188571] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 75.195440] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.203781] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 75.213741] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 75.223680] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 75.231462] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.238486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.245891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.253882] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.262615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.270610] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.278491] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.290089] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 75.298206] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 75.310593] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 75.318170] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.326427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.334287] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.342369] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.350085] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.358413] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.367009] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.377697] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.385512] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 75.396147] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 75.406016] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 75.413915] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 75.422293] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 75.429068] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.438232] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.446276] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.454088] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.461592] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.469289] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.477048] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.483423] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.493393] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.500912] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.513386] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 75.535624] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 75.544588] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 75.555281] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.567388] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 75.575574] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.583014] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.590673] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.598017] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.605821] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.616417] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 75.630742] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 75.636815] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.647893] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 75.658173] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.665616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.673140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.681562] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.689096] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.695482] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.704743] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 75.711155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.723374] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 75.733477] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 75.747298] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.754859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.768221] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.778961] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 75.792012] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 75.805264] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 75.811925] audit: type=1400 audit(1546551420.637:38): avc: denied { associate } for pid=8268 comm="syz-executor1" name="syz1" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 75.836165] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.845616] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.853431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.862157] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.869824] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.876261] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.886445] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 75.893969] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.904654] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 75.922078] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 75.929282] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.937270] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.945361] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.953630] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.962453] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.971562] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 75.984393] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 76.008927] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 76.030394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.038334] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.061705] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.068117] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.105662] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.114833] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.128349] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 76.149952] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.160930] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.175534] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 76.187143] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.197587] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 76.206112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.214761] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.238173] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.283428] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 76.323099] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 76.346974] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.361371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.409453] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.471855] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.533910] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 76.539959] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.608665] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 76.639978] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.653601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.716783] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.779639] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 76.832314] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 76.840737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.848384] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.902949] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 76.923537] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.930615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.965933] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.011698] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 77.017742] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.160962] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 77.231257] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/01/03 21:37:02 executed programs: 6 2019/01/03 21:37:07 executed programs: 25 2019/01/03 21:37:12 executed programs: 46 2019/01/03 21:37:17 executed programs: 64 2019/01/03 21:37:23 executed programs: 85 [ 100.119061] ================================================================== [ 100.120162] kasan: CONFIG_KASAN_INLINE enabled [ 100.127561] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 100.132158] BUG: KASAN: stack-out-of-bounds in update_curr+0x99d/0xbc0 [ 100.139503] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 100.146158] Read of size 8 at addr ffff8880a94be4c0 by task syz-executor2/8264 [ 100.152382] CPU: 1 PID: -2015332728 Comm: e Not tainted 4.20.0+ #7 [ 100.159723] [ 100.166123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.167749] CPU: 0 PID: 8264 Comm: syz-executor2 Not tainted 4.20.0+ #7 [ 100.177160] RIP: 0010:debug_object_deactivate+0x16c/0x4b0 [ 100.183838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.189372] Code: c1 ea 03 42 80 3c 2a 00 0f 85 49 02 00 00 4d 8b 24 24 4d 85 e4 0f 84 d1 00 00 00 49 8d 7c 24 18 83 c3 01 48 89 fa 48 c1 ea 03 <42> 80 3c 2a 00 0f 85 fa 01 00 00 49 3b 4c 24 18 75 c0 49 8d 7c 24 [ 100.198709] Call Trace: [ 100.217752] RSP: 0018:ffff8880ae707b80 EFLAGS: 00010002 [ 100.220338] dump_stack+0x1db/0x2d0 [ 100.225681] RAX: 1ffffffff16d5674 RBX: 0000000000000003 RCX: ffff8880ae726620 [ 100.229305] ? dump_stack_print_info.cold+0x20/0x20 [ 100.237082] RDX: 000000000000000b RSI: 0000000000000004 RDI: 0000000000000058 [ 100.237093] RBP: ffff8880ae707c70 R08: 1ffff11015ce0f5c R09: ffffffff899ad160 [ 100.242114] ? add_lock_to_list.isra.0+0x450/0x450 [ 100.249368] R10: 0000000000000086 R11: 0000000000000003 R12: 0000000000000040 [ 100.249380] R13: dffffc0000000000 R14: 1ffff11015ce0f74 R15: ffffffff8b6ab3a8 [ 100.256656] ? kvm_sched_clock_read+0x9/0x20 [ 100.261570] FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 100.268838] ? update_curr+0x99d/0xbc0 [ 100.276093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.276104] CR2: 0000000000000068 CR3: 000000007f479000 CR4: 00000000001406e0 [ 100.280515] print_address_description.cold+0x7c/0x20d [ 100.288730] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 100.292619] ? update_curr+0x99d/0xbc0 [ 100.298483] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 100.298490] Call Trace: [ 100.305771] ? update_curr+0x99d/0xbc0 [ 100.311200] [ 100.318484] kasan_report.cold+0x1b/0x40 [ 100.322360] ? clockevents_program_event+0x15f/0x380 [ 100.329634] ? update_curr+0x99d/0xbc0 [ 100.332205] ? debug_stats_show+0x100/0x100 [ 100.336091] __asan_report_load8_noabort+0x14/0x20 [ 100.338225] ? clockevents_program_event+0x15f/0x380 [ 100.342276] update_curr+0x99d/0xbc0 [ 100.347367] ? lock_acquire+0x1db/0x570 [ 100.351242] ? __lock_acquire+0x572/0x4a30 [ 100.355558] ? hrtimer_interrupt+0x13d/0x770 [ 100.360478] ? __account_cfs_rq_runtime+0x750/0x750 [ 100.365572] ? __asan_report_load4_noabort+0x14/0x20 [ 100.369274] ? print_usage_bug+0xd0/0xd0 [ 100.373238] __hrtimer_run_queues+0x225/0x1050 [ 100.377460] ? mark_held_locks+0x100/0x100 [ 100.381858] ? trace_hardirqs_on_caller+0x310/0x310 [ 100.386865] enqueue_entity+0x3e5/0x20b0 [ 100.391959] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 100.396549] ? __lock_acquire+0x572/0x4a30 [ 100.401125] ? hrtimer_start_range_ns+0xda0/0xda0 [ 100.405352] ? is_bpf_text_address+0x30/0x170 [ 100.410358] ? kvm_clock_read+0x18/0x30 [ 100.414415] ? put_prev_task_fair+0x80/0x80 [ 100.419414] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 100.423638] ? add_lock_to_list.isra.0+0x450/0x450 [ 100.428469] ? ktime_get_update_offsets_now+0x3d5/0x5e0 [ 100.432957] ? swp_swapcount+0x540/0x540 [ 100.436915] ? do_timer+0x50/0x50 [ 100.441233] ? activate_task+0x1f8/0x470 [ 100.446235] ? rcu_softirq_qs+0x20/0x20 [ 100.451155] ? find_held_lock+0x35/0x120 [ 100.456525] hrtimer_interrupt+0x314/0x770 [ 100.460560] ? activate_task+0x1f8/0x470 [ 100.464020] smp_apic_timer_interrupt+0x18d/0x760 [ 100.468073] enqueue_task_fair+0x237/0x10c0 [ 100.472053] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 100.476105] ? lock_downgrade+0x910/0x910 [ 100.480329] ? smp_call_function_single_interrupt+0x640/0x640 [ 100.484380] ? sched_clock_cpu+0x1b/0x1b0 [ 100.489215] ? trace_hardirqs_off+0x310/0x310 [ 100.493528] ? enqueue_entity+0x20b0/0x20b0 [ 100.498362] ? task_prio+0x50/0x50 [ 100.502501] ? record_times+0x1e/0x580 [ 100.508381] ? check_preemption_disabled+0x48/0x290 [ 100.512518] ? psi_task_change+0x36a/0x590 [ 100.517025] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 100.521341] ? __lock_is_held+0xb6/0x140 [ 100.524876] apic_timer_interrupt+0xf/0x20 [ 100.528903] activate_task+0x11d/0x470 [ 100.533902] [ 100.538135] ttwu_do_activate+0xd4/0x1f0 [ 100.542956] Modules linked in: [ 100.547038] try_to_wake_up+0x997/0x1480 [ 100.551260] ---[ end trace 5a5c098e51171999 ]--- [ 100.555144] ? migrate_swap_stop+0x920/0x920 [ 100.557376] RIP: 0010:debug_object_deactivate+0x16c/0x4b0 [ 100.561424] ? add_lock_to_list.isra.0+0x450/0x450 [ 100.564604] Code: c1 ea 03 42 80 3c 2a 00 0f 85 49 02 00 00 4d 8b 24 24 4d 85 e4 0f 84 d1 00 00 00 49 8d 7c 24 18 83 c3 01 48 89 fa 48 c1 ea 03 <42> 80 3c 2a 00 0f 85 fa 01 00 00 49 3b 4c 24 18 75 c0 49 8d 7c 24 [ 100.568657] ? add_lock_to_list.isra.0+0x450/0x450 [ 100.573487] RSP: 0018:ffff8880ae707b80 EFLAGS: 00010002 [ 100.577896] ? __lock_is_held+0xb6/0x140 [ 100.583415] RAX: 1ffffffff16d5674 RBX: 0000000000000003 RCX: ffff8880ae726620 [ 100.583427] RDX: 000000000000000b RSI: 0000000000000004 RDI: 0000000000000058 [ 100.588361] default_wake_function+0x30/0x50 [ 100.607298] RBP: ffff8880ae707c70 R08: 1ffff11015ce0f5c R09: ffffffff899ad160 [ 100.607309] R10: 0000000000000086 R11: 0000000000000003 R12: 0000000000000040 [ 100.612242] __wake_up_common+0x1d3/0x7d0 [ 100.617589] R13: dffffc0000000000 R14: 1ffff11015ce0f74 R15: ffffffff8b6ab3a8 [ 100.621648] ? wait_woken+0x250/0x250 [ 100.628909] FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 100.636183] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 100.640569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.647840] ? rcu_read_unlock_special+0x380/0x380 [ 100.655106] CR2: 0000000000000068 CR3: 000000007f479000 CR4: 00000000001406e0 [ 100.659254] __wake_up_locked+0x11/0x20 [ 100.666514] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 100.670309] ep_poll_callback+0x3c5/0x10a0 [ 100.678519] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 100.683858] ? reverse_path_check_proc+0x5a0/0x5a0 [ 100.689824] Kernel panic - not syncing: Fatal exception in interrupt [ 100.694757] ? mark_held_locks+0xb1/0x100 [ 100.702025] [ 100.702030] ====================================================== [ 100.702035] WARNING: possible circular locking dependency detected [ 100.702038] 4.20.0+ #7 Not tainted [ 100.702043] ------------------------------------------------------ [ 100.702048] syz-executor2/8264 is trying to acquire lock: [ 100.702051] 0000000068a941eb ((console_sem).lock){-.-.}, at: down_trylock+0x13/0x70 [ 100.702064] [ 100.702068] but task is already holding lock: [ 100.702071] 0000000033ae747f (report_lock){....}, at: kasan_report+0xb1/0x15e [ 100.702084] [ 100.702088] which lock already depends on the new lock. [ 100.702091] [ 100.702093] [ 100.702098] the existing dependency chain (in reverse order) is: [ 100.702100] [ 100.702102] -> #3 (report_lock){....}: [ 100.702115] _raw_spin_lock_irqsave+0x95/0xcd [ 100.702119] kasan_report+0xb1/0x15e [ 100.702124] __asan_report_load8_noabort+0x14/0x20 [ 100.702127] update_curr+0x99d/0xbc0 [ 100.702131] enqueue_entity+0x3e5/0x20b0 [ 100.702135] enqueue_task_fair+0x237/0x10c0 [ 100.702139] activate_task+0x11d/0x470 [ 100.702143] ttwu_do_activate+0xd4/0x1f0 [ 100.702146] try_to_wake_up+0x997/0x1480 [ 100.702150] default_wake_function+0x30/0x50 [ 100.702154] __wake_up_common+0x1d3/0x7d0 [ 100.702158] __wake_up_locked+0x11/0x20 [ 100.702162] ep_poll_callback+0x3c5/0x10a0 [ 100.702166] __wake_up_common+0x1d3/0x7d0 [ 100.702170] __wake_up_common_lock+0x1c6/0x390 [ 100.702174] __wake_up_sync_key+0x19/0x20 [ 100.702177] pipe_read+0x747/0x940 [ 100.702181] __vfs_read+0x761/0xb20 [ 100.702185] vfs_read+0x194/0x3e0 [ 100.702188] ksys_read+0x105/0x260 [ 100.702192] __x64_sys_read+0x73/0xb0 [ 100.702196] do_syscall_64+0x1a3/0x800 [ 100.702200] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 100.702202] [ 100.702204] -> #2 (&rq->lock){-.-.}: [ 100.702217] _raw_spin_lock+0x2f/0x40 [ 100.702221] task_fork_fair+0xb5/0x7a0 [ 100.702225] sched_fork+0x437/0xb90 [ 100.702228] copy_process+0x1ff6/0x8730 [ 100.702232] _do_fork+0x1a9/0x1170 [ 100.702235] kernel_thread+0x34/0x40 [ 100.702239] rest_init+0x28/0x37b [ 100.702243] arch_call_rest_init+0xe/0x1b [ 100.702246] start_kernel+0x882/0x8bd [ 100.702251] x86_64_start_reservations+0x29/0x2b [ 100.702255] x86_64_start_kernel+0x77/0x7b [ 100.702259] secondary_startup_64+0xa4/0xb0 [ 100.702261] [ 100.702263] -> #1 (&p->pi_lock){-.-.}: [ 100.702276] _raw_spin_lock_irqsave+0x95/0xcd [ 100.702279] try_to_wake_up+0xb9/0x1480 [ 100.702283] wake_up_process+0x10/0x20 [ 100.702287] __up.isra.0+0x1c0/0x2a0 [ 100.702290] up+0x13e/0x1c0 [ 100.702294] __up_console_sem+0xb7/0x1c0 [ 100.702298] console_unlock+0x778/0x11e0 [ 100.702301] vprintk_emit+0x370/0x960 [ 100.702305] dev_vprintk_emit+0x25d/0x560 [ 100.702309] dev_printk_emit+0xbb/0xf0 [ 100.702313] __dev_printk+0xa9/0x110 [ 100.702316] _dev_warn+0x10a/0x160 [ 100.702320] _request_firmware+0xe6b/0x15c0 [ 100.702325] request_firmware_work_func+0xf1/0x2f0 [ 100.702329] process_one_work+0xd0c/0x1ce0 [ 100.702332] worker_thread+0x143/0x14a0 [ 100.702336] kthread+0x357/0x430 [ 100.702339] ret_from_fork+0x3a/0x50 [ 100.702342] [ 100.702344] -> #0 ((console_sem).lock){-.-.}: [ 100.702357] lock_acquire+0x1db/0x570 [ 100.702361] _raw_spin_lock_irqsave+0x95/0xcd [ 100.702364] down_trylock+0x13/0x70 [ 100.702369] __down_trylock_console_sem+0xa8/0x210 [ 100.702372] console_trylock+0x15/0xa0 [ 100.702376] vprintk_emit+0x351/0x960 [ 100.702380] vprintk_default+0x28/0x30 [ 100.702383] vprintk_func+0x7e/0x189 [ 100.702387] printk+0xba/0xed [ 100.702390] kasan_report+0xc1/0x15e [ 100.702395] __asan_report_load8_noabort+0x14/0x20 [ 100.702398] update_curr+0x99d/0xbc0 [ 100.702402] enqueue_entity+0x3e5/0x20b0 [ 100.702406] enqueue_task_fair+0x237/0x10c0 [ 100.702410] activate_task+0x11d/0x470 [ 100.702414] ttwu_do_activate+0xd4/0x1f0 [ 100.702417] try_to_wake_up+0x997/0x1480 [ 100.702421] default_wake_function+0x30/0x50 [ 100.702425] __wake_up_common+0x1d3/0x7d0 [ 100.702429] __wake_up_locked+0x11/0x20 [ 100.702433] ep_poll_callback+0x3c5/0x10a0 [ 100.702437] __wake_up_common+0x1d3/0x7d0 [ 100.702441] __wake_up_common_lock+0x1c6/0x390 [ 100.702445] __wake_up_sync_key+0x19/0x20 [ 100.702448] pipe_read+0x747/0x940 [ 100.702452] __vfs_read+0x761/0xb20 [ 100.702455] vfs_read+0x194/0x3e0 [ 100.702460] ksys_read+0x105/0x260 [ 100.702463] __x64_sys_read+0x73/0xb0 [ 100.702467] do_syscall_64+0x1a3/0x800 [ 100.702472] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 100.702474] [ 100.702478] other info that might help us debug this: [ 100.702480] [ 100.702483] Chain exists of: [ 100.702485] (console_sem).lock --> &rq->lock --> report_lock [ 100.702501] [ 100.702505] Possible unsafe locking scenario: [ 100.702507] [ 100.702516] CPU0 CPU1 [ 100.702520] ---- ---- [ 100.702522] lock(report_lock); [ 100.702531] lock(&rq->lock); [ 100.702539] lock(report_lock); [ 100.702546] lock((console_sem).lock); [ 100.702553] [ 100.702556] *** DEADLOCK *** [ 100.702559] [ 100.702563] 5 locks held by syz-executor2/8264: [ 100.702565] #0: 00000000900e7fbd (&pipe->wait){....}, at: __wake_up_common_lock+0x19b/0x390 [ 100.702581] #1: 00000000e6ad044a (&ep->wq){....}, at: ep_poll_callback+0x11f/0x10a0 [ 100.702596] #2: 00000000af1a6276 (&p->pi_lock){-.-.}, at: try_to_wake_up+0xb9/0x1480 [ 100.702611] #3: 000000001c5e133f (&rq->lock){-.-.}, at: try_to_wake_up+0x933/0x1480 [ 100.702626] #4: 0000000033ae747f (report_lock){....}, at: kasan_report+0xb1/0x15e [ 100.702641] [ 100.702644] stack backtrace: [ 100.702650] CPU: 0 PID: 8264 Comm: syz-executor2 Not tainted 4.20.0+ #7 [ 100.702657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.702660] Call Trace: [ 100.702663] dump_stack+0x1db/0x2d0 [ 100.702667] ? dump_stack_print_info.cold+0x20/0x20 [ 100.702671] ? print_stack_trace+0x77/0xb0 [ 100.702675] ? vprintk_func+0x86/0x189 [ 100.702679] print_circular_bug.isra.0.cold+0x1cc/0x28f [ 100.702683] __lock_acquire+0x3014/0x4a30 [ 100.702687] ? mark_held_locks+0x100/0x100 [ 100.702691] ? __kernel_text_address+0xd/0x40 [ 100.702695] ? unwind_get_return_address+0x61/0xa0 [ 100.702699] ? __save_stack_trace+0x8a/0xf0 [ 100.702704] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 100.702708] ? add_lock_to_list.isra.0+0x450/0x450 [ 100.702712] ? pvclock_read_flags+0x160/0x160 [ 100.702716] lock_acquire+0x1db/0x570 [ 100.702720] ? down_trylock+0x13/0x70 [ 100.702723] ? lock_release+0xc40/0xc40 [ 100.702728] ? trace_hardirqs_on_caller+0x310/0x310 [ 100.702732] ? trace_hardirqs_off+0xb8/0x310 [ 100.702736] _raw_spin_lock_irqsave+0x95/0xcd [ 100.702739] ? down_trylock+0x13/0x70 [ 100.702743] ? vprintk_emit+0x351/0x960 [ 100.702747] down_trylock+0x13/0x70 [ 100.702750] ? vprintk_emit+0x351/0x960 [ 100.702755] __down_trylock_console_sem+0xa8/0x210 [ 100.702758] console_trylock+0x15/0xa0 [ 100.702762] vprintk_emit+0x351/0x960 [ 100.702765] ? wake_up_klogd+0x180/0x180 [ 100.702769] ? mark_held_locks+0x100/0x100 [ 100.702773] ? set_next_entity+0x2ef/0xb00 [ 100.702777] vprintk_default+0x28/0x30 [ 100.702781] vprintk_func+0x7e/0x189 [ 100.702784] printk+0xba/0xed [ 100.702788] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 100.702792] ? add_lock_to_list.isra.0+0x450/0x450 [ 100.702796] ? kvm_sched_clock_read+0x9/0x20 [ 100.702801] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 100.702804] ? update_curr+0x99d/0xbc0 [ 100.702808] ? update_curr+0x99d/0xbc0 [ 100.702811] kasan_report+0xc1/0x15e [ 100.702815] ? update_curr+0x99d/0xbc0 [ 100.702819] __asan_report_load8_noabort+0x14/0x20 [ 100.702823] update_curr+0x99d/0xbc0 [ 100.702827] ? __lock_acquire+0x572/0x4a30 [ 100.702831] ? __account_cfs_rq_runtime+0x750/0x750 [ 100.702835] ? print_usage_bug+0xd0/0xd0 [ 100.702839] ? mark_held_locks+0x100/0x100 [ 100.702843] enqueue_entity+0x3e5/0x20b0 [ 100.702846] ? __lock_acquire+0x572/0x4a30 [ 100.702850] ? is_bpf_text_address+0x30/0x170 [ 100.702854] ? put_prev_task_fair+0x80/0x80 [ 100.702858] ? add_lock_to_list.isra.0+0x450/0x450 [ 100.702862] ? swp_swapcount+0x540/0x540 [ 100.702866] ? activate_task+0x1f8/0x470 [ 100.702870] ? find_held_lock+0x35/0x120 [ 100.702873] ? activate_task+0x1f8/0x470 [ 100.702877] enqueue_task_fair+0x237/0x10c0 [ 100.702881] ? lock_downgrade+0x910/0x910 [ 100.702885] ? sched_clock_cpu+0x1b/0x1b0 [ 100.702889] ? enqueue_entity+0x20b0/0x20b0 [ 100.702893] ? record_times+0x1e/0x580 [ 100.702896] ? psi_task_change+0x36a/0x590 [ 100.702900] ? __lock_is_held+0xb6/0x140 [ 100.702904] activate_task+0x11d/0x470 [ 100.702908] ttwu_do_activate+0xd4/0x1f0 [ 100.702912] try_to_wake_up+0x997/0x1480 [ 100.702916] ? migrate_swap_stop+0x920/0x920 [ 100.702920] ? add_lock_to_list.isra.0+0x450/0x450 [ 100.702924] ? add_lock_to_list.isra.0+0x450/0x450 [ 100.702928] ? __lock_is_held+0xb6/0x140 [ 100.702932] default_wake_function+0x30/0x50 [ 100.702935] __wake_up_common+0x1d3/0x7d0 [ 100.702939] ? wait_woken+0x250/0x250 [ 100.702943] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 100.702948] ? rcu_read_unlock_special+0x380/0x380 [ 100.702951] __wake_up_locked+0x11/0x20 [ 100.702955] ep_poll_callback+0x3c5/0x10a0 [ 100.702959] ? reverse_path_check_proc+0x5a0/0x5a0 [ 100.702963] ? mark_held_locks+0xb1/0x100 [ 100.702967] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 100.702972] ? add_lock_to_list.isra.0+0x450/0x450 [ 100.702976] ? add_lock_to_list.isra.0+0x450/0x450 [ 100.702980] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 100.702985] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 100.702988] ? __lock_is_held+0xb6/0x140 [ 100.702992] __wake_up_common+0x1d3/0x7d0 [ 100.702996] ? kasan_check_read+0x11/0x20 [ 100.703018] ? wait_woken+0x250/0x250 [ 100.703022] ? copy_user_generic_unrolled+0x89/0xc0 [ 100.703026] __wake_up_common_lock+0x1c6/0x390 [ 100.703029] ? __wake_up_common+0x7d0/0x7d0 [ 100.703033] __wake_up_sync_key+0x19/0x20 [ 100.703037] pipe_read+0x747/0x940 [ 100.703040] __vfs_read+0x761/0xb20 [ 100.703044] ? vfs_copy_file_range+0xbb0/0xbb0 [ 100.703048] ? rw_verify_area+0x118/0x360 [ 100.703052] vfs_read+0x194/0x3e0 [ 100.703055] ksys_read+0x105/0x260 [ 100.703059] ? kernel_write+0x120/0x120 [ 100.703063] ? trace_hardirqs_off_caller+0x300/0x300 [ 100.703068] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 100.703071] __x64_sys_read+0x73/0xb0 [ 100.703075] do_syscall_64+0x1a3/0x800 [ 100.703079] ? syscall_return_slowpath+0x5f0/0x5f0 [ 100.703084] ? prepare_exit_to_usermode+0x232/0x3b0 [ 100.703086] [ 100.703093] Lost 10 message(s)! [ 101.789447] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 101.794219] ? add_lock_to_list.isra.0+0x450/0x450 [ 101.799156] ? add_lock_to_list.isra.0+0x450/0x450 [ 101.804092] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 101.808855] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 101.814316] ? __lock_is_held+0xb6/0x140 [ 101.818396] __wake_up_common+0x1d3/0x7d0 [ 101.822551] ? kasan_check_read+0x11/0x20 [ 101.826704] ? wait_woken+0x250/0x250 [ 101.830517] ? copy_user_generic_unrolled+0x89/0xc0 [ 101.835544] __wake_up_common_lock+0x1c6/0x390 [ 101.840136] ? __wake_up_common+0x7d0/0x7d0 [ 101.844476] __wake_up_sync_key+0x19/0x20 [ 101.848198] Shutting down cpus with NMI