[ 33.052525] audit: type=1800 audit(1550551488.274:28): pid=7340 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 33.828293] audit: type=1800 audit(1550551489.134:29): pid=7340 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 33.856626] audit: type=1800 audit(1550551489.134:30): pid=7340 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 [....] startpar: service(s) returned failure: ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.94' (ECDSA) to the list of known hosts. 2019/02/19 04:44:58 parsed 1 programs 2019/02/19 04:45:00 executed programs: 0 syzkaller login: [ 45.752794] IPVS: ftp: loaded support on port[0] = 21 [ 45.762964] IPVS: ftp: loaded support on port[0] = 21 [ 45.774675] IPVS: ftp: loaded support on port[0] = 21 [ 45.826547] IPVS: ftp: loaded support on port[0] = 21 [ 45.863866] IPVS: ftp: loaded support on port[0] = 21 [ 45.876431] IPVS: ftp: loaded support on port[0] = 21 [ 46.069272] chnl_net:caif_netlink_parms(): no params data found [ 46.099885] chnl_net:caif_netlink_parms(): no params data found [ 46.109282] chnl_net:caif_netlink_parms(): no params data found [ 46.176060] chnl_net:caif_netlink_parms(): no params data found [ 46.203169] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.210385] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.217458] device bridge_slave_0 entered promiscuous mode [ 46.227085] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.233479] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.240707] device bridge_slave_1 entered promiscuous mode [ 46.260971] chnl_net:caif_netlink_parms(): no params data found [ 46.323997] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.341848] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.348874] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.355722] device bridge_slave_0 entered promiscuous mode [ 46.366558] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.372958] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.379911] device bridge_slave_1 entered promiscuous mode [ 46.396546] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.402909] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.412176] device bridge_slave_0 entered promiscuous mode [ 46.419596] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.427201] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.433893] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.440871] device bridge_slave_1 entered promiscuous mode [ 46.452271] chnl_net:caif_netlink_parms(): no params data found [ 46.504318] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.511003] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.518066] device bridge_slave_0 entered promiscuous mode [ 46.533037] team0: Port device team_slave_0 added [ 46.539218] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.547377] team0: Port device team_slave_1 added [ 46.557940] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.566810] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.574527] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.582050] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.589457] device bridge_slave_1 entered promiscuous mode [ 46.601254] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.607695] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.615025] device bridge_slave_0 entered promiscuous mode [ 46.627158] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.647162] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.656386] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.664331] device bridge_slave_1 entered promiscuous mode [ 46.684976] team0: Port device team_slave_0 added [ 46.750980] device hsr_slave_0 entered promiscuous mode [ 46.788056] device hsr_slave_1 entered promiscuous mode [ 46.833189] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.842458] team0: Port device team_slave_1 added [ 46.849114] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.877093] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.884000] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.890945] device bridge_slave_0 entered promiscuous mode [ 46.901671] team0: Port device team_slave_0 added [ 46.915870] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.925406] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.934131] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.940682] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.947531] device bridge_slave_1 entered promiscuous mode [ 46.954897] team0: Port device team_slave_1 added [ 46.964174] team0: Port device team_slave_0 added [ 46.975777] team0: Port device team_slave_1 added [ 47.069400] device hsr_slave_0 entered promiscuous mode [ 47.107980] device hsr_slave_1 entered promiscuous mode [ 47.182616] team0: Port device team_slave_0 added [ 47.200229] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 47.214396] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 47.229255] team0: Port device team_slave_1 added [ 47.300500] device hsr_slave_0 entered promiscuous mode [ 47.318106] device hsr_slave_1 entered promiscuous mode [ 47.440617] device hsr_slave_0 entered promiscuous mode [ 47.477925] device hsr_slave_1 entered promiscuous mode [ 47.522212] team0: Port device team_slave_0 added [ 47.529407] team0: Port device team_slave_1 added [ 47.610568] device hsr_slave_0 entered promiscuous mode [ 47.648033] device hsr_slave_1 entered promiscuous mode [ 47.729670] device hsr_slave_0 entered promiscuous mode [ 47.768009] device hsr_slave_1 entered promiscuous mode [ 47.863416] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.880976] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.905463] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.913950] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.921513] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.940326] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.952833] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.964548] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.971083] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.978301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.985154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.993144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.000910] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.007312] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.014481] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.021426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.061100] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.068860] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.076484] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.084192] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.090547] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.097440] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.105976] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.113730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.121405] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.129023] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.135374] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.142230] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.150570] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.158425] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.164752] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.171591] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.179877] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.187357] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.193732] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.200498] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.208324] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.215818] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.222184] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.229031] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.236654] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.244426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.254073] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.261279] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.278278] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.303246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.311214] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.320025] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.327496] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.335770] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.343344] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.351435] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.359043] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.366617] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.374327] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.381812] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.389345] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.396715] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.404133] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.411634] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.419103] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.426487] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.433910] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.441519] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.449188] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.456743] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.465571] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.472928] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.480200] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.489450] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.502939] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.513367] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.522904] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.530561] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.542883] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.555018] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.562362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.569274] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.576681] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.586269] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.607474] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.618355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.626153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.634096] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.640477] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.647360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.655454] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.663110] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.669468] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.676396] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.684571] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.692183] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.698548] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.705390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.713150] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.721260] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.728617] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.748173] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.755852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.766555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.774381] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.782118] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.789878] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.798765] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.818561] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.836921] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.854052] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 48.864882] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 48.875657] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.883742] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.891372] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.897731] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.904603] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.912159] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.919825] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.927196] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.945641] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.973761] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.982388] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.991346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 49.006054] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 49.028376] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.047149] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 49.063654] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 49.078698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.086355] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.094706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 49.103265] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.110505] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.118913] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.126541] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.135347] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.143615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.152937] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.161315] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.170259] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.179516] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.266605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.281462] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.315377] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.321804] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.332641] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.346131] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.364604] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.371041] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.419801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 49.428632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 49.438765] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.445092] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 49.488682] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 49.501779] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 49.559061] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.573563] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.582169] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.592348] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.600103] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.607504] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.615251] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.622936] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.630672] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.637562] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.676926] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/02/19 04:45:06 executed programs: 66 2019/02/19 04:45:11 executed programs: 314 2019/02/19 04:45:16 executed programs: 569 2019/02/19 04:45:21 executed programs: 817 2019/02/19 04:45:26 executed programs: 1083 2019/02/19 04:45:31 executed programs: 1335 2019/02/19 04:45:36 executed programs: 1586 2019/02/19 04:45:41 executed programs: 1847 [ 88.171599] ================================================================== [ 88.179017] BUG: KASAN: use-after-free in __lock_acquire+0x30e0/0x4700 [ 88.185697] Read of size 8 at addr ffff88808c00e850 by task kworker/u4:0/7 [ 88.192696] [ 88.194325] CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 5.0.0-rc7 #78 [ 88.200983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.210343] Workqueue: ib_addr process_one_req [ 88.214998] Call Trace: [ 88.217580] dump_stack+0x172/0x1f0 [ 88.221199] ? __lock_acquire+0x30e0/0x4700 [ 88.225506] print_address_description.cold+0x7c/0x20d [ 88.230769] ? __lock_acquire+0x30e0/0x4700 [ 88.235074] ? __lock_acquire+0x30e0/0x4700 [ 88.239391] kasan_report.cold+0x1b/0x40 [ 88.243434] ? __lock_acquire+0x30e0/0x4700 [ 88.247741] __asan_report_load8_noabort+0x14/0x20 [ 88.252649] __lock_acquire+0x30e0/0x4700 [ 88.256777] ? __lock_acquire+0x53b/0x4700 [ 88.260996] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 88.266864] ? mark_held_locks+0x100/0x100 [ 88.271081] ? mark_held_locks+0x100/0x100 [ 88.275299] ? unwind_next_frame.part.0+0x1a1/0x9a0 [ 88.280298] ? unwind_dump+0x100/0x100 [ 88.284162] ? __lock_is_held+0xb6/0x140 [ 88.288221] ? unwind_dump+0x100/0x100 [ 88.292091] ? __lock_is_held+0xb6/0x140 [ 88.296136] ? addr_handler+0xa5/0x300 [ 88.300095] lock_acquire+0x16f/0x3f0 [ 88.303877] ? addr_handler+0xa5/0x300 [ 88.307746] ? addr_handler+0xa5/0x300 [ 88.311618] __mutex_lock+0xf7/0x1310 [ 88.315399] ? addr_handler+0xa5/0x300 [ 88.319270] ? check_noncircular+0x20/0x20 [ 88.323483] ? addr_handler+0xa5/0x300 [ 88.327351] ? mutex_trylock+0x1e0/0x1e0 [ 88.331394] ? __lock_acquire+0x53b/0x4700 [ 88.335614] ? debug_object_deactivate+0x1e4/0x360 [ 88.340523] ? find_held_lock+0x35/0x130 [ 88.344572] ? debug_object_deactivate+0x1e4/0x360 [ 88.349484] mutex_lock_nested+0x16/0x20 [ 88.353528] ? mutex_lock_nested+0x16/0x20 [ 88.357755] addr_handler+0xa5/0x300 [ 88.361493] ? cma_work_handler+0x1f0/0x1f0 [ 88.365793] ? find_held_lock+0x35/0x130 [ 88.369838] ? __lock_is_held+0xb6/0x140 [ 88.373888] ? check_preemption_disabled+0x48/0x290 [ 88.378897] process_one_req+0x109/0x680 [ 88.382960] process_one_work+0x98e/0x1790 [ 88.387181] ? pwq_dec_nr_in_flight+0x320/0x320 [ 88.391832] ? lock_acquire+0x16f/0x3f0 [ 88.395804] worker_thread+0x98/0xe40 [ 88.399594] kthread+0x357/0x430 [ 88.402941] ? process_one_work+0x1790/0x1790 [ 88.407417] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 88.412938] ret_from_fork+0x3a/0x50 [ 88.416632] [ 88.418238] Allocated by task 21113: [ 88.421936] save_stack+0x45/0xd0 [ 88.425372] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 88.430280] kasan_kmalloc+0x9/0x10 [ 88.433886] kmem_cache_alloc_trace+0x151/0x760 [ 88.438553] __rdma_create_id+0x5f/0x4e0 [ 88.442595] ucma_create_id+0x1de/0x640 [ 88.446554] ucma_write+0x2da/0x3c0 [ 88.450161] __vfs_write+0x116/0x8e0 [ 88.453854] vfs_write+0x20c/0x580 [ 88.457372] ksys_write+0xea/0x1f0 [ 88.460894] __x64_sys_write+0x73/0xb0 [ 88.464883] do_syscall_64+0x103/0x610 [ 88.468751] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.473914] [ 88.475522] Freed by task 21126: [ 88.478874] save_stack+0x45/0xd0 [ 88.482318] __kasan_slab_free+0x102/0x150 [ 88.486532] kasan_slab_free+0xe/0x10 [ 88.490321] kfree+0xcf/0x230 [ 88.493409] rdma_destroy_id+0x723/0xab0 [ 88.497449] ucma_close+0x115/0x320 [ 88.501059] __fput+0x2df/0x8d0 [ 88.504320] ____fput+0x16/0x20 [ 88.507584] task_work_run+0x14a/0x1c0 [ 88.511459] get_signal+0x1961/0x1d50 [ 88.515241] do_signal+0x87/0x1940 [ 88.518762] exit_to_usermode_loop+0x244/0x2c0 [ 88.523325] do_syscall_64+0x52d/0x610 [ 88.527196] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.532361] [ 88.533970] The buggy address belongs to the object at ffff88808c00e4c0 [ 88.533970] which belongs to the cache kmalloc-2k of size 2048 [ 88.546604] The buggy address is located 912 bytes inside of [ 88.546604] 2048-byte region [ffff88808c00e4c0, ffff88808c00ecc0) [ 88.558545] The buggy address belongs to the page: [ 88.563453] page:ffffea0002300380 count:1 mapcount:0 mapping:ffff88812c3f0c40 index:0xffff88808c00ed40 compound_mapcount: 0 [ 88.574699] flags: 0x1fffc0000010200(slab|head) [ 88.579352] raw: 01fffc0000010200 ffffea00022f6b08 ffffea0002a03388 ffff88812c3f0c40 [ 88.587214] raw: ffff88808c00ed40 ffff88808c00e4c0 0000000100000002 0000000000000000 [ 88.595068] page dumped because: kasan: bad access detected [ 88.601622] [ 88.603226] Memory state around the buggy address: [ 88.608137] ffff88808c00e700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 88.615988] ffff88808c00e780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 88.623331] >ffff88808c00e800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 88.630665] ^ [ 88.636616] ffff88808c00e880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 88.643953] ffff88808c00e900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 88.651290] ================================================================== [ 88.658624] Disabling lock debugging due to kernel taint [ 88.664049] Kernel panic - not syncing: panic_on_warn set ... [ 88.669919] CPU: 0 PID: 7 Comm: kworker/u4:0 Tainted: G B 5.0.0-rc7 #78 [ 88.677949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.687288] Workqueue: ib_addr process_one_req [ 88.691867] Call Trace: [ 88.694535] dump_stack+0x172/0x1f0 [ 88.698146] panic+0x2cb/0x65c [ 88.701321] ? __warn_printk+0xf3/0xf3 [ 88.705189] ? lock_downgrade+0x810/0x810 [ 88.709318] ? __lock_acquire+0x30e0/0x4700 [ 88.713619] ? trace_hardirqs_off+0x62/0x220 [ 88.718005] ? trace_hardirqs_off+0x59/0x220 [ 88.722393] ? __lock_acquire+0x30e0/0x4700 [ 88.726698] end_report+0x47/0x4f [ 88.730133] ? __lock_acquire+0x30e0/0x4700 [ 88.734437] kasan_report.cold+0xe/0x40 [ 88.738392] ? __lock_acquire+0x30e0/0x4700 [ 88.742713] __asan_report_load8_noabort+0x14/0x20 [ 88.747626] __lock_acquire+0x30e0/0x4700 [ 88.751756] ? __lock_acquire+0x53b/0x4700 [ 88.755974] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 88.761840] ? mark_held_locks+0x100/0x100 [ 88.766054] ? mark_held_locks+0x100/0x100 [ 88.770274] ? unwind_next_frame.part.0+0x1a1/0x9a0 [ 88.775273] ? unwind_dump+0x100/0x100 [ 88.779143] ? __lock_is_held+0xb6/0x140 [ 88.783183] ? unwind_dump+0x100/0x100 [ 88.787051] ? __lock_is_held+0xb6/0x140 [ 88.791095] ? addr_handler+0xa5/0x300 [ 88.794965] lock_acquire+0x16f/0x3f0 [ 88.798745] ? addr_handler+0xa5/0x300 [ 88.802699] ? addr_handler+0xa5/0x300 [ 88.806570] __mutex_lock+0xf7/0x1310 [ 88.810354] ? addr_handler+0xa5/0x300 [ 88.814222] ? check_noncircular+0x20/0x20 [ 88.818454] ? addr_handler+0xa5/0x300 [ 88.822323] ? mutex_trylock+0x1e0/0x1e0 [ 88.826367] ? __lock_acquire+0x53b/0x4700 [ 88.830585] ? debug_object_deactivate+0x1e4/0x360 [ 88.835492] ? find_held_lock+0x35/0x130 [ 88.840128] ? debug_object_deactivate+0x1e4/0x360 [ 88.845129] mutex_lock_nested+0x16/0x20 [ 88.849172] ? mutex_lock_nested+0x16/0x20 [ 88.853387] addr_handler+0xa5/0x300 [ 88.857096] ? cma_work_handler+0x1f0/0x1f0 [ 88.861400] ? find_held_lock+0x35/0x130 [ 88.865447] ? __lock_is_held+0xb6/0x140 [ 88.869492] ? check_preemption_disabled+0x48/0x290 [ 88.874515] process_one_req+0x109/0x680 [ 88.878564] process_one_work+0x98e/0x1790 [ 88.882787] ? pwq_dec_nr_in_flight+0x320/0x320 [ 88.887436] ? lock_acquire+0x16f/0x3f0 [ 88.891394] worker_thread+0x98/0xe40 [ 88.895183] kthread+0x357/0x430 [ 88.898537] ? process_one_work+0x1790/0x1790 [ 88.903013] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 88.908534] ret_from_fork+0x3a/0x50 [ 88.913411] Kernel Offset: disabled [ 88.917028] Rebooting in 86400 seconds..