[ 29.521726] audit: type=1800 audit(1544834367.866:27): pid=5906 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 29.566058] audit: type=1800 audit(1544834367.866:28): pid=5906 uid=0 auid=4294967295 ses=4294967295 subj=_ 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. [ 30.352740] audit: type=1800 audit(1544834368.766:29): pid=5906 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 30.381180] audit: type=1800 audit(1544834368.766:30): pid=5906 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 35.180727] sshd (6046) used greatest stack depth: 15744 bytes left Warning: Permanently added '10.128.0.183' (ECDSA) to the list of known hosts. [ 842.441280] IPVS: ftp: loaded support on port[0] = 21 [ 842.600123] bridge0: port 1(bridge_slave_0) entered blocking state [ 842.607223] bridge0: port 1(bridge_slave_0) entered disabled state [ 842.614327] device bridge_slave_0 entered promiscuous mode [ 842.633564] bridge0: port 2(bridge_slave_1) entered blocking state [ 842.640036] bridge0: port 2(bridge_slave_1) entered disabled state [ 842.647094] device bridge_slave_1 entered promiscuous mode [ 842.665497] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 842.684649] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 842.735781] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 842.756084] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 842.833315] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 842.840880] team0: Port device team_slave_0 added [ 842.857489] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 842.864558] team0: Port device team_slave_1 added [ 842.882452] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 842.901355] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 842.921323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 842.941170] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 843.088697] bridge0: port 2(bridge_slave_1) entered blocking state [ 843.095121] bridge0: port 2(bridge_slave_1) entered forwarding state [ 843.101983] bridge0: port 1(bridge_slave_0) entered blocking state [ 843.108342] bridge0: port 1(bridge_slave_0) entered forwarding state RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 843.629429] 8021q: adding VLAN 0 to HW filter on device bond0 [ 843.682185] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 843.735020] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 843.741527] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 843.749178] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 843.794286] 8021q: adding VLAN 0 to HW filter on device team0 executing program executing program executing program [ 844.242381] hrtimer: interrupt took 15996 ns executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 987.597150] ================================================================== [ 987.604781] BUG: KASAN: use-after-free in ccid_hc_tx_delete+0xe0/0x100 [ 987.611463] Read of size 8 at addr ffff8881bd5fcec0 by task ksoftirqd/1/16 [ 987.618464] [ 987.620097] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc6+ #152 [ 987.627016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 987.636437] Call Trace: [ 987.639076] dump_stack+0x244/0x39d [ 987.642712] ? dump_stack_print_info.cold.1+0x20/0x20 [ 987.647939] ? printk+0xa7/0xcf [ 987.651222] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 987.656022] print_address_description.cold.7+0x9/0x1ff [ 987.661403] kasan_report.cold.8+0x242/0x309 [ 987.665812] ? ccid_hc_tx_delete+0xe0/0x100 [ 987.670136] __asan_report_load8_noabort+0x14/0x20 [ 987.675068] ccid_hc_tx_delete+0xe0/0x100 [ 987.679222] ? dccp_init_sock+0x4a0/0x4a0 [ 987.683369] dccp_sk_destruct+0x3c/0x80 [ 987.687402] __sk_destruct+0x107/0xa80 [ 987.691307] ? sock_no_getname+0x10/0x10 [ 987.695403] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 987.700516] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 987.705668] ? lockdep_hardirqs_on+0x296/0x5b0 [ 987.710309] ? trace_hardirqs_on+0xbd/0x310 [ 987.714665] ? kasan_check_read+0x11/0x20 [ 987.718863] ? debug_object_deactivate+0x2eb/0x450 [ 987.723796] ? trace_hardirqs_off_caller+0x310/0x310 [ 987.728918] ? lock_acquire+0x1ed/0x520 [ 987.732937] ? rcu_process_callbacks+0x1103/0x1ac0 [ 987.737880] ? lock_release+0xa00/0xa00 [ 987.741860] ? debug_stats_show+0x100/0x100 [ 987.746246] ? file_free_rcu+0x91/0xd0 [ 987.750148] ? kmem_cache_free+0x24f/0x290 [ 987.754389] ? sock_no_getname+0x10/0x10 [ 987.758482] rcu_process_callbacks+0x100a/0x1ac0 [ 987.763250] ? rcu_note_context_switch+0x2150/0x2150 [ 987.768426] ? pick_next_task_fair+0xa05/0x1b30 [ 987.773104] ? find_held_lock+0x36/0x1c0 [ 987.777208] ? __run_timers+0xa20/0xc70 [ 987.781191] ? _raw_spin_unlock_irq+0x27/0x80 [ 987.785687] ? _raw_spin_unlock_irq+0x27/0x80 [ 987.790185] ? lockdep_hardirqs_on+0x296/0x5b0 [ 987.794770] ? trace_hardirqs_on+0xbd/0x310 [ 987.799091] ? kasan_check_read+0x11/0x20 [ 987.803238] ? __run_timers+0xa20/0xc70 [ 987.807255] ? _raw_spin_unlock_irq+0x60/0x80 [ 987.811756] ? __run_timers+0xa4a/0xc70 [ 987.815741] ? timer_fixup_init+0x70/0x70 [ 987.819897] ? _raw_spin_unlock_irq+0x56/0x80 [ 987.824398] ? _raw_spin_unlock_irq+0x60/0x80 [ 987.828955] ? finish_task_switch+0x1f4/0x910 [ 987.833454] ? finish_task_switch+0x1b4/0x910 [ 987.837952] ? __switch_to_asm+0x34/0x70 [ 987.842017] ? preempt_notifier_register+0x200/0x200 [ 987.847123] ? __switch_to_asm+0x34/0x70 [ 987.851183] ? __switch_to_asm+0x34/0x70 [ 987.855240] ? __switch_to_asm+0x40/0x70 [ 987.859308] ? __switch_to_asm+0x34/0x70 [ 987.863370] ? __switch_to_asm+0x40/0x70 [ 987.867431] ? __switch_to_asm+0x34/0x70 [ 987.871488] ? __switch_to_asm+0x40/0x70 [ 987.875546] ? __switch_to_asm+0x34/0x70 [ 987.879607] ? __switch_to_asm+0x40/0x70 [ 987.883753] ? pvclock_read_flags+0x160/0x160 [ 987.888310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 987.893856] ? check_preemption_disabled+0x48/0x280 [ 987.898885] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 987.904423] ? rcu_pm_notify+0xc0/0xc0 [ 987.908324] __do_softirq+0x308/0xb7e [ 987.912131] ? trace_hardirqs_on_caller+0xc0/0x310 [ 987.917068] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 987.922209] ? schedule+0x108/0x460 [ 987.925852] ? trace_hardirqs_off+0xb8/0x310 [ 987.930264] ? smpboot_thread_fn+0x68b/0xa00 [ 987.934681] ? trace_hardirqs_on+0x310/0x310 [ 987.939094] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 987.944635] ? check_preemption_disabled+0x48/0x280 [ 987.949656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 987.955240] ? takeover_tasklets+0xa90/0xa90 [ 987.959665] run_ksoftirqd+0x5e/0x100 [ 987.963471] smpboot_thread_fn+0x68b/0xa00 [ 987.967711] ? sort_range+0x30/0x30 [ 987.971354] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 987.976460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 987.982056] ? __kthread_parkme+0xfb/0x1a0 [ 987.986304] ? sort_range+0x30/0x30 [ 987.989930] kthread+0x35a/0x440 [ 987.993307] ? kthread_stop+0x900/0x900 [ 987.997293] ret_from_fork+0x3a/0x50 [ 988.001012] [ 988.002692] Allocated by task 16874: [ 988.006416] save_stack+0x43/0xd0 [ 988.009868] kasan_kmalloc+0xc7/0xe0 [ 988.013579] kasan_slab_alloc+0x12/0x20 [ 988.017552] kmem_cache_alloc+0x12e/0x730 [ 988.021696] ccid_new+0x25b/0x3e0 [ 988.025151] dccp_hdlr_ccid+0x27/0x150 [ 988.029042] __dccp_feat_activate+0x188/0x280 [ 988.033535] dccp_feat_activate_values+0x3c1/0x80a [ 988.038461] dccp_rcv_state_process+0x1320/0x1b7e [ 988.043364] dccp_v6_do_rcv+0x271/0xbf0 [ 988.047342] __release_sock+0x12f/0x3a0 [ 988.051316] release_sock+0xad/0x2c0 [ 988.055043] __inet_stream_connect+0x641/0x1150 [ 988.059711] inet_stream_connect+0x58/0xa0 [ 988.063982] __sys_connect+0x37d/0x4c0 [ 988.067874] __x64_sys_connect+0x73/0xb0 [ 988.071950] do_syscall_64+0x1b9/0x820 [ 988.075840] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 988.081022] [ 988.082653] Freed by task 16877: [ 988.086022] save_stack+0x43/0xd0 [ 988.089481] __kasan_slab_free+0x102/0x150 [ 988.093718] kasan_slab_free+0xe/0x10 [ 988.097516] kmem_cache_free+0x83/0x290 [ 988.101487] ccid_hc_tx_delete+0xc3/0x100 [ 988.105633] dccp_hdlr_ccid+0x7d/0x150 [ 988.109519] __dccp_feat_activate+0x188/0x280 [ 988.114011] dccp_feat_activate_values+0x3c1/0x80a [ 988.118941] dccp_create_openreq_child+0x47a/0x630 [ 988.123871] dccp_v6_request_recv_sock+0x278/0x2020 [ 988.128887] dccp_check_req+0x47d/0x6d0 [ 988.132861] dccp_v6_rcv+0x874/0x1ce9 [ 988.136709] ip6_input_finish+0x3fc/0x1aa0 [ 988.140944] ip6_input+0xe9/0x600 [ 988.144393] ip6_rcv_finish+0x17a/0x330 [ 988.148367] ipv6_rcv+0x115/0x640 [ 988.151856] __netif_receive_skb_one_core+0x14d/0x200 [ 988.157071] __netif_receive_skb+0x2c/0x1e0 [ 988.161391] process_backlog+0x24e/0x7a0 [ 988.165451] net_rx_action+0x7fa/0x19b0 [ 988.169425] __do_softirq+0x308/0xb7e [ 988.173216] [ 988.174846] The buggy address belongs to the object at ffff8881bd5fcec0 [ 988.174846] which belongs to the cache ccid2_hc_tx_sock of size 1240 [ 988.188028] The buggy address is located 0 bytes inside of [ 988.188028] 1240-byte region [ffff8881bd5fcec0, ffff8881bd5fd398) [ 988.199817] The buggy address belongs to the page: [ 988.204745] page:ffffea0006f57f00 count:1 mapcount:0 mapping:ffff8881c5bdc980 index:0x0 compound_mapcount: 0 [ 988.214712] flags: 0x2fffc0000010200(slab|head) [ 988.219386] raw: 02fffc0000010200 ffffea0006f53a08 ffffea0006f41088 ffff8881c5bdc980 [ 988.227281] raw: 0000000000000000 ffff8881bd5fc3c0 0000000100000005 0000000000000000 [ 988.235152] page dumped because: kasan: bad access detected [ 988.240853] [ 988.242470] Memory state around the buggy address: [ 988.247397] ffff8881bd5fcd80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 988.254752] ffff8881bd5fce00: fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc [ 988.262124] >ffff8881bd5fce80: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 988.269476] ^ [ 988.274925] ffff8881bd5fcf00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 988.282290] ffff8881bd5fcf80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 988.289646] ================================================================== [ 988.296996] Disabling lock debugging due to kernel taint [ 988.302524] Kernel panic - not syncing: panic_on_warn set ... [ 988.308455] CPU: 1 PID: 16 Comm: ksoftirqd/1 Tainted: G B 4.20.0-rc6+ #152 [ 988.316769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 988.326119] Call Trace: [ 988.328706] dump_stack+0x244/0x39d [ 988.332338] ? dump_stack_print_info.cold.1+0x20/0x20 [ 988.337602] panic+0x2ad/0x55c [ 988.340797] ? add_taint.cold.5+0x16/0x16 [ 988.344944] ? trace_hardirqs_on+0x9a/0x310 [ 988.349262] ? trace_hardirqs_on+0xb4/0x310 [ 988.353590] ? trace_hardirqs_on+0xb4/0x310 [ 988.357917] kasan_end_report+0x47/0x4f [ 988.361889] kasan_report.cold.8+0x76/0x309 [ 988.366209] ? ccid_hc_tx_delete+0xe0/0x100 [ 988.370532] __asan_report_load8_noabort+0x14/0x20 [ 988.375459] ccid_hc_tx_delete+0xe0/0x100 [ 988.379606] ? dccp_init_sock+0x4a0/0x4a0 [ 988.383751] dccp_sk_destruct+0x3c/0x80 [ 988.387724] __sk_destruct+0x107/0xa80 [ 988.391606] ? sock_no_getname+0x10/0x10 [ 988.395667] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 988.400765] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 988.405865] ? lockdep_hardirqs_on+0x296/0x5b0 [ 988.410449] ? trace_hardirqs_on+0xbd/0x310 [ 988.414767] ? kasan_check_read+0x11/0x20 [ 988.418919] ? debug_object_deactivate+0x2eb/0x450 [ 988.423869] ? trace_hardirqs_off_caller+0x310/0x310 [ 988.428975] ? lock_acquire+0x1ed/0x520 [ 988.432948] ? rcu_process_callbacks+0x1103/0x1ac0 [ 988.437876] ? lock_release+0xa00/0xa00 [ 988.441851] ? debug_stats_show+0x100/0x100 [ 988.446170] ? file_free_rcu+0x91/0xd0 [ 988.450062] ? kmem_cache_free+0x24f/0x290 [ 988.454304] ? sock_no_getname+0x10/0x10 [ 988.458368] rcu_process_callbacks+0x100a/0x1ac0 [ 988.463129] ? rcu_note_context_switch+0x2150/0x2150 [ 988.468235] ? pick_next_task_fair+0xa05/0x1b30 [ 988.472904] ? find_held_lock+0x36/0x1c0 [ 988.476967] ? __run_timers+0xa20/0xc70 [ 988.480939] ? _raw_spin_unlock_irq+0x27/0x80 [ 988.485428] ? _raw_spin_unlock_irq+0x27/0x80 [ 988.489920] ? lockdep_hardirqs_on+0x296/0x5b0 [ 988.494504] ? trace_hardirqs_on+0xbd/0x310 [ 988.498825] ? kasan_check_read+0x11/0x20 [ 988.502970] ? __run_timers+0xa20/0xc70 [ 988.506947] ? _raw_spin_unlock_irq+0x60/0x80 [ 988.511441] ? __run_timers+0xa4a/0xc70 [ 988.515420] ? timer_fixup_init+0x70/0x70 [ 988.519565] ? _raw_spin_unlock_irq+0x56/0x80 [ 988.524059] ? _raw_spin_unlock_irq+0x60/0x80 [ 988.528558] ? finish_task_switch+0x1f4/0x910 [ 988.533056] ? finish_task_switch+0x1b4/0x910 [ 988.537549] ? __switch_to_asm+0x34/0x70 [ 988.541611] ? preempt_notifier_register+0x200/0x200 [ 988.546754] ? __switch_to_asm+0x34/0x70 [ 988.550815] ? __switch_to_asm+0x34/0x70 [ 988.554868] ? __switch_to_asm+0x40/0x70 [ 988.558922] ? __switch_to_asm+0x34/0x70 [ 988.562976] ? __switch_to_asm+0x40/0x70 [ 988.567036] ? __switch_to_asm+0x34/0x70 [ 988.571095] ? __switch_to_asm+0x40/0x70 [ 988.575147] ? __switch_to_asm+0x34/0x70 [ 988.579203] ? __switch_to_asm+0x40/0x70 [ 988.583267] ? pvclock_read_flags+0x160/0x160 [ 988.587771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 988.593307] ? check_preemption_disabled+0x48/0x280 [ 988.598331] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 988.603865] ? rcu_pm_notify+0xc0/0xc0 [ 988.607760] __do_softirq+0x308/0xb7e [ 988.611563] ? trace_hardirqs_on_caller+0xc0/0x310 [ 988.616492] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 988.621600] ? schedule+0x108/0x460 [ 988.625232] ? trace_hardirqs_off+0xb8/0x310 [ 988.629641] ? smpboot_thread_fn+0x68b/0xa00 [ 988.634053] ? trace_hardirqs_on+0x310/0x310 [ 988.638459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 988.643998] ? check_preemption_disabled+0x48/0x280 [ 988.649018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 988.654557] ? takeover_tasklets+0xa90/0xa90 [ 988.658961] run_ksoftirqd+0x5e/0x100 [ 988.662760] smpboot_thread_fn+0x68b/0xa00 [ 988.666994] ? sort_range+0x30/0x30 [ 988.670623] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 988.675726] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 988.681265] ? __kthread_parkme+0xfb/0x1a0 [ 988.685508] ? sort_range+0x30/0x30 [ 988.689133] kthread+0x35a/0x440 [ 988.692502] ? kthread_stop+0x900/0x900 [ 988.696478] ret_from_fork+0x3a/0x50 [ 988.701225] Kernel Offset: disabled [ 988.704847] Rebooting in 86400 seconds..