[ 34.300628] audit: type=1800 audit(1551546054.091:27): pid=7376 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 34.300653] audit: type=1800 audit(1551546054.091:28): pid=7376 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. [ 34.807708] audit: type=1800 audit(1551546054.641:29): pid=7376 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 [ 34.827171] audit: type=1800 audit(1551546054.641:30): pid=7376 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.134' (ECDSA) to the list of known hosts. 2019/03/02 17:01:25 parsed 1 programs 2019/03/02 17:01:27 executed programs: 0 syzkaller login: [ 67.611785] IPVS: ftp: loaded support on port[0] = 21 [ 67.631292] IPVS: ftp: loaded support on port[0] = 21 [ 67.642103] IPVS: ftp: loaded support on port[0] = 21 [ 67.713674] IPVS: ftp: loaded support on port[0] = 21 [ 67.713688] IPVS: ftp: loaded support on port[0] = 21 [ 67.723723] IPVS: ftp: loaded support on port[0] = 21 [ 67.900727] chnl_net:caif_netlink_parms(): no params data found [ 67.999677] chnl_net:caif_netlink_parms(): no params data found [ 68.054161] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.064111] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.071343] device bridge_slave_0 entered promiscuous mode [ 68.080878] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.087310] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.094091] device bridge_slave_1 entered promiscuous mode [ 68.143236] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 68.155861] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 68.182516] chnl_net:caif_netlink_parms(): no params data found [ 68.189937] chnl_net:caif_netlink_parms(): no params data found [ 68.224178] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.231059] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.238562] device bridge_slave_0 entered promiscuous mode [ 68.282394] chnl_net:caif_netlink_parms(): no params data found [ 68.290018] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.296456] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.303825] device bridge_slave_1 entered promiscuous mode [ 68.315286] team0: Port device team_slave_0 added [ 68.353249] team0: Port device team_slave_1 added [ 68.395141] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 68.404088] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.410760] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.417743] device bridge_slave_0 entered promiscuous mode [ 68.426481] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.432938] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.440183] device bridge_slave_1 entered promiscuous mode [ 68.464868] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 68.489145] chnl_net:caif_netlink_parms(): no params data found [ 68.508762] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.515124] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.522605] device bridge_slave_0 entered promiscuous mode [ 68.534825] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.542242] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.549539] device bridge_slave_1 entered promiscuous mode [ 68.557139] team0: Port device team_slave_0 added [ 68.567727] team0: Port device team_slave_1 added [ 68.574176] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 68.581928] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.589488] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.596373] device bridge_slave_0 entered promiscuous mode [ 68.639262] device hsr_slave_0 entered promiscuous mode [ 68.677149] device hsr_slave_1 entered promiscuous mode [ 68.749331] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 68.758626] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 68.767820] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 68.775508] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.782491] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.789717] device bridge_slave_1 entered promiscuous mode [ 68.878313] device hsr_slave_0 entered promiscuous mode [ 68.936963] device hsr_slave_1 entered promiscuous mode [ 68.988567] team0: Port device team_slave_0 added [ 69.006156] team0: Port device team_slave_1 added [ 69.015120] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.022105] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.029306] device bridge_slave_0 entered promiscuous mode [ 69.044893] team0: Port device team_slave_0 added [ 69.051947] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 69.061329] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 69.072347] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.078950] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.085778] device bridge_slave_1 entered promiscuous mode [ 69.092993] team0: Port device team_slave_1 added [ 69.115656] team0: Port device team_slave_0 added [ 69.135362] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 69.160091] team0: Port device team_slave_1 added [ 69.199267] device hsr_slave_0 entered promiscuous mode [ 69.240331] device hsr_slave_1 entered promiscuous mode [ 69.278767] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 69.359475] device hsr_slave_0 entered promiscuous mode [ 69.407039] device hsr_slave_1 entered promiscuous mode [ 69.508518] device hsr_slave_0 entered promiscuous mode [ 69.547057] device hsr_slave_1 entered promiscuous mode [ 69.594609] team0: Port device team_slave_0 added [ 69.600935] team0: Port device team_slave_1 added [ 69.679735] device hsr_slave_0 entered promiscuous mode [ 69.717243] device hsr_slave_1 entered promiscuous mode [ 69.864671] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.880535] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.912853] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.924742] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.936383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.944514] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.954536] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.970341] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.987217] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 69.994461] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.002065] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.009631] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.016779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.023584] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.031862] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.039925] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.046381] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.054688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.064886] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.077825] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.092009] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.110076] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.118875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.125908] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.133017] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.141248] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.149166] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.155515] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.162610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.170572] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.177890] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.184736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.191793] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.202085] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.217974] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.227186] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.235060] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.243116] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.249533] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.256330] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.264494] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.272557] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.280177] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.288065] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.295567] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.301940] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.308896] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.316571] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.324613] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.331008] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.339473] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.346595] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.353764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.361112] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.369219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.377239] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.384870] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.391273] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.421729] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.429943] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.442621] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.451920] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.460005] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.466329] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.473430] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.481230] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.489199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.496986] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.504511] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.510879] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.517977] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.525629] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.533244] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.539591] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.546367] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.554154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.561823] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.569479] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.575821] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.582786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.590466] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.598544] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.604877] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.613677] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.621280] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.628827] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.654785] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.662721] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.673091] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.679495] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.686388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.694379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.702130] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.710026] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.717762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.725326] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.732906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.740378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.770902] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.782217] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.789867] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.798156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.805816] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.813567] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.821165] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.829283] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.837077] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.844603] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.852358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.860369] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.868142] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.875718] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.883626] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.891077] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.898614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.906265] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.913881] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.921224] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.928815] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.937876] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.944974] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.952208] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.961181] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.975067] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.986515] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.999027] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.014971] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.024973] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.036045] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.043468] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.051330] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.058801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.066235] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.073899] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.081544] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.088993] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.096624] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.104438] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.111978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.119617] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.127647] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.135054] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.143190] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.173984] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.184639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.192808] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.224782] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.274668] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.281902] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.289615] hrtimer: interrupt took 36570 ns [ 71.290031] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.302060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.310141] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.322590] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.341494] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.353888] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.365903] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.386353] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.412817] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.427677] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.490974] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/03/02 17:01:32 executed programs: 25 [ 76.497169] ================================================================== [ 76.504696] BUG: KASAN: use-after-free in ccid_hc_tx_delete+0xde/0x100 [ 76.511369] Read of size 8 at addr ffff888089f0ecc0 by task syz-executor.3/8141 [ 76.518820] [ 76.520463] CPU: 0 PID: 8141 Comm: syz-executor.3 Not tainted 5.0.0-rc8+ #1 [ 76.527558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.527565] Call Trace: [ 76.527571] [ 76.527591] dump_stack+0x172/0x1f0 [ 76.527606] ? ccid_hc_tx_delete+0xde/0x100 [ 76.527625] print_address_description.cold+0x7c/0x20d [ 76.527636] ? ccid_hc_tx_delete+0xde/0x100 [ 76.527651] ? ccid_hc_tx_delete+0xde/0x100 [ 76.527665] kasan_report.cold+0x1b/0x40 [ 76.527680] ? ccid_hc_tx_delete+0xde/0x100 [ 76.572022] __asan_report_load8_noabort+0x14/0x20 [ 76.572040] ccid_hc_tx_delete+0xde/0x100 [ 76.581115] dccp_sk_destruct+0x3f/0x90 [ 76.585114] ? dccp_init_sock+0x3f0/0x3f0 [ 76.589274] __sk_destruct+0x55/0x6d0 [ 76.593085] ? sock_no_getname+0x10/0x10 [ 76.597163] rcu_process_callbacks+0x928/0x1390 [ 76.601846] ? rcu_check_gp_start_stall+0x240/0x240 [ 76.606863] ? __lock_is_held+0xb6/0x140 [ 76.610938] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 76.616425] __do_softirq+0x266/0x95a [ 76.620247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.625787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.631340] irq_exit+0x180/0x1d0 [ 76.634801] smp_apic_timer_interrupt+0x14a/0x570 [ 76.639653] apic_timer_interrupt+0xf/0x20 [ 76.643886] [ 76.646147] RIP: 0010:clear_page_erms+0x7/0x10 [ 76.650735] Code: 48 89 47 18 48 89 47 20 48 89 47 28 48 89 47 30 48 89 47 38 48 8d 7f 40 75 d9 90 c3 0f 1f 80 00 00 00 00 b9 00 10 00 00 31 c0 aa c3 90 90 90 90 90 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 [ 76.669641] RSP: 0000:ffff888087fe7b78 EFLAGS: 00010246 ORIG_RAX: ffffffffffffff13 [ 76.677354] RAX: 0000000000000000 RBX: ffff888000000000 RCX: 0000000000000540 [ 76.684627] RDX: 1ffff110113e9ebe RSI: ffffffff81991926 RDI: ffff88807b1ccac0 [ 76.691900] RBP: ffff888087fe7b90 R08: ffff888089f4e2c0 R09: 0000000000000000 [ 76.699170] R10: ffffed1015d05bcf R11: ffff8880ae82de7b R12: ffff888089f4e2c0 [ 76.699179] R13: 00000000000001cc R14: 000000000000007b R15: 00000000000000f6 [ 76.699205] ? clear_subpage+0x16/0x110 [ 76.699221] ? clear_subpage+0x85/0x110 [ 76.699236] clear_huge_page+0xb5/0x4d0 [ 76.699257] do_huge_pmd_anonymous_page+0x73b/0x1550 [ 76.699277] ? __thp_get_unmapped_area+0x190/0x190 [ 76.735713] __handle_mm_fault+0x2daf/0x3f20 [ 76.740154] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 76.745003] ? find_held_lock+0x35/0x130 [ 76.749071] ? handle_mm_fault+0x322/0xb30 [ 76.753326] ? kasan_check_read+0x11/0x20 [ 76.757497] handle_mm_fault+0x43f/0xb30 [ 76.761573] __do_page_fault+0x5da/0xd60 [ 76.761598] do_page_fault+0x71/0x581 [ 76.761612] ? page_fault+0x8/0x30 [ 76.761626] page_fault+0x1e/0x30 [ 76.776452] RIP: 0033:0x40050c [ 76.779656] Code: 01 e9 cd 01 00 00 48 8b 44 24 10 48 0b 44 24 28 75 20 48 8b 14 24 48 8b 7c 24 20 be 02 00 00 00 e8 e9 4b 00 00 48 8b 4c 24 08 <66> 89 01 e9 a1 01 00 00 48 8b 44 24 08 48 8b 14 24 be 02 00 00 00 [ 76.798562] RSP: 002b:00007ffddcb06420 EFLAGS: 00010206 [ 76.803939] RAX: 000000000000000a RBX: 000000000073c900 RCX: 000000002047b000 [ 76.811208] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000000000000000a [ 76.818495] RBP: 000000000073c900 R08: 0000000000000000 R09: 0000000000000000 [ 76.825770] R10: 00007ffddcb06520 R11: 0000000000000246 R12: fffffffffffffffe [ 76.833048] R13: 0000000000012ab1 R14: 00000000000003e8 R15: 000000000073bf0c [ 76.840326] [ 76.841958] Allocated by task 8128: [ 76.845596] save_stack+0x45/0xd0 [ 76.849064] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 76.853997] kasan_slab_alloc+0xf/0x20 [ 76.857905] kmem_cache_alloc+0x11a/0x6f0 [ 76.862055] ccid_new+0x256/0x3f0 [ 76.865506] dccp_hdlr_ccid+0x27/0x150 [ 76.869398] __dccp_feat_activate+0x17a/0x270 [ 76.873921] dccp_feat_activate_values+0x33a/0x766 [ 76.878864] dccp_rcv_state_process+0x116f/0x1931 [ 76.884176] dccp_v6_do_rcv+0x269/0xbf0 [ 76.888157] __release_sock+0x12e/0x3a0 [ 76.892156] release_sock+0x59/0x1c0 [ 76.895875] __inet_stream_connect+0x59f/0xea0 [ 76.900460] inet_stream_connect+0x58/0xa0 [ 76.900474] __sys_connect+0x266/0x330 [ 76.900485] __x64_sys_connect+0x73/0xb0 [ 76.900499] do_syscall_64+0x103/0x610 [ 76.900512] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.900515] [ 76.900526] Freed by task 8138: [ 76.908631] save_stack+0x45/0xd0 [ 76.908643] __kasan_slab_free+0x102/0x150 [ 76.908654] kasan_slab_free+0xe/0x10 [ 76.908665] kmem_cache_free+0x86/0x260 [ 76.908675] ccid_hc_tx_delete+0xc1/0x100 [ 76.908685] dccp_hdlr_ccid+0x7d/0x150 [ 76.908698] __dccp_feat_activate+0x17a/0x270 [ 76.950201] dccp_feat_activate_values+0x33a/0x766 [ 76.950214] dccp_create_openreq_child+0x40c/0x570 [ 76.950226] dccp_v6_request_recv_sock+0x214/0x1da0 [ 76.950252] dccp_check_req+0x35c/0x6f0 [ 76.950262] dccp_v6_rcv+0x6d7/0x191e [ 76.950278] ip6_protocol_deliver_rcu+0x303/0x16c0 [ 76.959691] ip6_input_finish+0x84/0x170 [ 76.959702] ip6_input+0xe4/0x3f0 [ 76.959713] ip6_rcv_finish+0x1e7/0x320 [ 76.959724] ipv6_rcv+0x10e/0x420 [ 76.959736] __netif_receive_skb_one_core+0x115/0x1a0 [ 76.959747] __netif_receive_skb+0x2c/0x1c0 [ 76.959756] process_backlog+0x206/0x750 [ 76.959767] net_rx_action+0x4fa/0x1070 [ 76.959789] __do_softirq+0x266/0x95a [ 76.959793] [ 76.959803] The buggy address belongs to the object at ffff888089f0ecc0 [ 76.959803] which belongs to the cache ccid2_hc_tx_sock of size 1240 [ 76.959814] The buggy address is located 0 bytes inside of [ 76.959814] 1240-byte region [ffff888089f0ecc0, ffff888089f0f198) [ 76.959817] The buggy address belongs to the page: [ 76.959827] page:ffffea000227c380 count:1 mapcount:0 mapping:ffff888216701180 index:0x0 compound_mapcount: 0 [ 76.959851] flags: 0x1fffc0000010200(slab|head) [ 76.959868] raw: 01fffc0000010200 ffffea000228ea08 ffffea000228ce08 ffff888216701180 [ 76.959883] raw: 0000000000000000 ffff888089f0e1c0 0000000100000005 0000000000000000 [ 77.007241] kobject: 'loop1' (0000000048d00feb): kobject_uevent_env [ 77.007666] page dumped because: kasan: bad access detected [ 77.023644] kobject: 'loop1' (0000000048d00feb): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 77.034285] [ 77.034290] Memory state around the buggy address: [ 77.034304] ffff888089f0eb80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 77.034313] ffff888089f0ec00: fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc [ 77.034321] >ffff888089f0ec80: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 77.034327] ^ [ 77.034335] ffff888089f0ed00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 77.034343] ffff888089f0ed80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 77.034347] ================================================================== [ 77.034352] Disabling lock debugging due to kernel taint [ 77.034387] Kernel panic - not syncing: panic_on_warn set ... [ 77.034401] CPU: 0 PID: 8141 Comm: syz-executor.3 Tainted: G B 5.0.0-rc8+ #1 [ 77.034418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.034422] Call Trace: [ 77.034427] [ 77.034451] dump_stack+0x172/0x1f0 [ 77.034468] panic+0x2cb/0x65c [ 77.034479] ? __warn_printk+0xf3/0xf3 [ 77.034489] ? retint_kernel+0x2d/0x2d [ 77.034504] ? trace_hardirqs_on+0x5e/0x230 [ 77.034516] ? ccid_hc_tx_delete+0xde/0x100 [ 77.034529] end_report+0x47/0x4f [ 77.034539] ? ccid_hc_tx_delete+0xde/0x100 [ 77.034552] kasan_report.cold+0xe/0x40 [ 77.034564] ? ccid_hc_tx_delete+0xde/0x100 [ 77.034578] __asan_report_load8_noabort+0x14/0x20 [ 77.034589] ccid_hc_tx_delete+0xde/0x100 [ 77.034602] dccp_sk_destruct+0x3f/0x90 [ 77.034613] ? dccp_init_sock+0x3f0/0x3f0 [ 77.034628] __sk_destruct+0x55/0x6d0 [ 77.034641] ? sock_no_getname+0x10/0x10 [ 77.034656] rcu_process_callbacks+0x928/0x1390 [ 77.034672] ? rcu_check_gp_start_stall+0x240/0x240 [ 77.034683] ? __lock_is_held+0xb6/0x140 [ 77.034700] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 77.034714] __do_softirq+0x266/0x95a [ 77.034725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.034736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.034752] irq_exit+0x180/0x1d0 [ 77.034763] smp_apic_timer_interrupt+0x14a/0x570 [ 77.034775] apic_timer_interrupt+0xf/0x20 [ 77.034779] [ 77.034791] RIP: 0010:clear_page_erms+0x7/0x10 [ 77.034807] Code: 48 89 47 18 48 89 47 20 48 89 47 28 48 89 47 30 48 89 47 38 48 8d 7f 40 75 d9 90 c3 0f 1f 80 00 00 00 00 b9 00 10 00 00 31 c0 aa c3 90 90 90 90 90 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 [ 77.235402] kobject: 'loop4' (00000000d6ac9b74): kobject_uevent_env [ 77.237783] RSP: 0000:ffff888087fe7b78 EFLAGS: 00010246 ORIG_RAX: ffffffffffffff13 [ 77.237796] RAX: 0000000000000000 RBX: ffff888000000000 RCX: 0000000000000540 [ 77.237803] RDX: 1ffff110113e9ebe RSI: ffffffff81991926 RDI: ffff88807b1ccac0 [ 77.237810] RBP: ffff888087fe7b90 R08: ffff888089f4e2c0 R09: 0000000000000000 [ 77.237817] R10: ffffed1015d05bcf R11: ffff8880ae82de7b R12: ffff888089f4e2c0 [ 77.237824] R13: 00000000000001cc R14: 000000000000007b R15: 00000000000000f6 [ 77.237846] ? clear_subpage+0x16/0x110 [ 77.251220] kobject: 'loop4' (00000000d6ac9b74): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 77.253873] ? clear_subpage+0x85/0x110 [ 77.253888] clear_huge_page+0xb5/0x4d0 [ 77.260666] kobject: 'loop2' (00000000e9bca933): kobject_uevent_env [ 77.262610] do_huge_pmd_anonymous_page+0x73b/0x1550 [ 77.262626] ? __thp_get_unmapped_area+0x190/0x190 [ 77.268792] kobject: 'loop2' (00000000e9bca933): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 77.271684] __handle_mm_fault+0x2daf/0x3f20 [ 77.271700] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 77.277864] kobject: 'loop0' (00000000021d3a0b): kobject_uevent_env [ 77.280923] ? find_held_lock+0x35/0x130 [ 77.280937] ? handle_mm_fault+0x322/0xb30 [ 77.280957] ? kasan_check_read+0x11/0x20 [ 77.286539] kobject: 'loop0' (00000000021d3a0b): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 77.292010] handle_mm_fault+0x43f/0xb30 [ 77.292027] __do_page_fault+0x5da/0xd60 [ 77.292044] do_page_fault+0x71/0x581 [ 77.292056] ? page_fault+0x8/0x30 [ 77.292068] page_fault+0x1e/0x30 [ 77.292080] RIP: 0033:0x40050c [ 77.297532] kobject: 'loop4' (00000000d6ac9b74): kobject_uevent_env [ 77.300359] Code: 01 e9 cd 01 00 00 48 8b 44 24 10 48 0b 44 24 28 75 20 48 8b 14 24 48 8b 7c 24 20 be 02 00 00 00 e8 e9 4b 00 00 48 8b 4c 24 08 <66> 89 01 e9 a1 01 00 00 48 8b 44 24 08 48 8b 14 24 be 02 00 00 00 [ 77.300367] RSP: 002b:00007ffddcb06420 EFLAGS: 00010206 [ 77.304618] kobject: 'loop4' (00000000d6ac9b74): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 77.306819] RAX: 000000000000000a RBX: 000000000073c900 RCX: 000000002047b000 [ 77.306825] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000000000000000a [ 77.306832] RBP: 000000000073c900 R08: 0000000000000000 R09: 0000000000000000 [ 77.306838] R10: 00007ffddcb06520 R11: 0000000000000246 R12: fffffffffffffffe [ 77.306845] R13: 0000000000012ab1 R14: 00000000000003e8 R15: 000000000073bf0c [ 77.307832] Kernel Offset: disabled [ 77.568323] Rebooting in 86400 seconds..