======================================
| [   15.693305][    C1] ==================================================================
| [   15.693633][    C1] BUG: KASAN: slab-out-of-bounds in tcp_v6_send_response (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/net/inet_sock.h:411 net/ipv6/tcp_ipv6.c:983)
| [   15.693916][    C1] Read of size 8 at addr ff1100000d72c8c0 by task connect-deny_ip/167
| [   15.694183][    C1]
[   15.694282][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.694284][    C1] Call Trace:
[   15.694286][    C1]  <IRQ>
[   15.694287][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.694293][    C1]  print_address_description.constprop.0 (mm/kasan/report.c:378)
[   15.694298][    C1]  print_report (mm/kasan/report.c:482)
[   15.694300][    C1]  ? __virt_addr_valid (./include/linux/rcupdate.h:948 ./include/linux/mmzone.h:2276 arch/x86/mm/physaddr.c:54)
[   15.694303][    C1]  ? __virt_addr_valid (./include/linux/rcupdate.h:974 (discriminator 1) ./include/linux/mmzone.h:2286 (discriminator 1) arch/x86/mm/physaddr.c:54 (discriminator 1))
[   15.694306][    C1]  kasan_report (mm/kasan/report.c:595)
[   15.694309][    C1]  ? tcp_v6_send_response (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/net/inet_sock.h:411 net/ipv6/tcp_ipv6.c:983)
[   15.694311][    C1]  ? tcp_v6_send_response (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/net/inet_sock.h:411 net/ipv6/tcp_ipv6.c:983)
[   15.694314][    C1]  kasan_check_range (mm/kasan/generic.c:186 mm/kasan/generic.c:200)
[   15.694316][    C1]  tcp_v6_send_response (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/net/inet_sock.h:411 net/ipv6/tcp_ipv6.c:983)
[   15.694319][    C1]  ? tcp_v6_send_synack (./include/net/inet_sock.h:338 (discriminator 1))
[   15.694320][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.694324][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.694326][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.694330][    C1]  tcp_v6_timewait_ack (net/ipv6/tcp_ipv6.c:1149 net/ipv6/tcp_ipv6.c:1201)
[   15.694333][    C1]  ? tcp_v6_reqsk_send_ack (net/ipv6/tcp_ipv6.c:1245 (discriminator 7))
[   15.694334][    C1]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   15.694337][    C1]  ? tcp_ecn_openreq_child (./include/net/tcp_ecn.h:139 (discriminator 4))
[   15.694341][    C1]  ? ip6_pol_route (./include/linux/rcupdate.h:882 net/ipv6/route.c:2339)
[   15.694344][    C1]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   15.694346][    C1]  tcp_v6_rcv (net/ipv6/tcp_ipv6.c:1993)
[   15.694349][    C1]  ? tcp_v6_syn_recv_sock (./include/net/sock.h:1128 (discriminator 2))
[   15.694351][    C1]  ? ipv6_raw_deliver (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/raw.c:207 (discriminator 2))
[   15.694354][    C1]  ? ipv6_raw_deliver (./include/linux/rcupdate.h:882 net/ipv6/raw.c:207)
[   15.694357][    C1]  ? update_cfs_rq_load_avg (kernel/sched/fair.c:5687)
[   15.694362][    C1]  ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:479)
[   15.694366][    C1]  ip6_input_finish (net/ipv6/ip6_input.c:534)
[   15.694368][    C1]  ip6_input (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv6/ip6_input.c:545)
[   15.694370][    C1]  ? ip6_input_finish (net/ipv6/ip6_input.c:527 (discriminator 46))
[   15.694373][    C1]  ? ip6_rcv_core (./include/linux/skbuff.h:3432 net/ipv6/ip6_input.c:332)
[   15.694375][    C1]  ipv6_rcv (./include/net/dst.h:480 (discriminator 4) net/ipv6/ip6_input.c:119 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) ./include/linux/netfilter.h:319 (discriminator 4) net/ipv6/ip6_input.c:351 (discriminator 4))
[   15.694377][    C1]  ? ip6_rcv_core (net/ipv6/ip6_input.c:211 (discriminator 96))
[   15.694379][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.694381][    C1]  ? __update_load_avg_cfs_rq (kernel/sched/pelt.c:329)
[   15.694383][    C1]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.694385][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.694387][    C1]  ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655)
[   15.694389][    C1]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   15.694393][    C1]  __netif_receive_skb_one_core (net/core/dev.c:6264)
[   15.694395][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.694397][    C1]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   15.694399][    C1]  ? __netif_receive_skb_list_core (net/core/dev.c:6310)
[   15.694401][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.694404][    C1]  process_backlog (net/core/dev.c:6728)
[   15.694407][    C1]  __napi_poll (net/core/dev.c:7787)
[   15.694409][    C1]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   15.694411][    C1]  ? __napi_poll (./include/net/gro.h:507)
[   15.694414][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.694417][    C1]  ? clockevents_program_event (kernel/time/clockevents.c:372)
[   15.694420][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.694421][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.694423][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.694425][    C1]  handle_softirqs (kernel/softirq.c:645)
[   15.694427][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   15.694428][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   15.694430][    C1]  ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   15.694432][    C1]  do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[   15.694434][    C1]  </IRQ>
[   15.694434][    C1]  <TASK>
[   15.694435][    C1]  __local_bh_enable_ip (kernel/softirq.c:473)
[   15.694437][    C1]  __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   15.694440][    C1]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   15.694442][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.694444][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.694446][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.694447][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.694449][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.694451][    C1]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   15.694452][    C1]  ? neigh_hh_output (./include/net/neighbour.h:525)
[   15.694455][    C1]  ip6_finish_output2 (./include/net/neighbour.h:558 net/ipv6/ip6_output.c:138)
[   15.694457][    C1]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:1297)
[   15.694459][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.694460][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.694462][    C1]  ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2))
[   15.694464][    C1]  ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[   15.694467][    C1]  ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[   15.694469][    C1]  ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[   15.694470][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.694472][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.694474][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.694476][    C1]  ip6_xmit (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) ./include/linux/netfilter.h:319 (discriminator 4) net/ipv6/ip6_output.c:381 (discriminator 4))
[   15.694477][    C1]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.694479][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.694482][    C1]  ? ip6_autoflowlabel (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.694483][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.694485][    C1]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.694486][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.694489][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.694490][    C1]  ? inet6_csk_xmit (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv6/inet6_connection_sock.c:120 (discriminator 2))
[   15.694492][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.694494][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.694496][    C1]  inet6_csk_xmit (net/ipv6/inet6_connection_sock.c:123 (discriminator 13))
[   15.694499][    C1]  __tcp_transmit_skb (net/ipv4/tcp_output.c:1716)
[   15.694502][    C1]  ? __tcp_select_window (./arch/x86/include/asm/atomic.h:23)
[   15.694503][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.694505][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.694506][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.694508][    C1]  ? tcp_mtu_probe (./include/net/net_namespace.h:422 (discriminator 1) ./include/net/sock.h:713 (discriminator 1) net/ipv4/tcp_output.c:2697 (discriminator 1))
[   15.694510][    C1]  tcp_write_xmit (net/ipv4/tcp_output.c:1734 net/ipv4/tcp_output.c:3070)
[   15.694513][    C1]  ? __alloc_skb (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:67 ./include/linux/refcount.h:134 net/core/skbuff.c:737)
[   15.694516][    C1]  ? tcp_retrans_try_collapse (./arch/x86/include/asm/atomic.h:23)
[   15.694519][    C1]  ? tcp_set_state (net/ipv4/tcp.c:3028)
[   15.694524][    C1]  __tcp_push_pending_frames (net/ipv4/tcp_output.c:3253 (discriminator 1))
[   15.694527][    C1]  __tcp_close (net/ipv4/tcp.c:3220)
[   15.694530][    C1]  tcp_close (net/ipv4/tcp.c:3311)
[   15.694531][    C1]  inet_release (net/ipv4/af_inet.c:442)
[   15.694534][    C1]  ? fcntl_setlk (fs/locks.c:2552)
[   15.694538][    C1]  __sock_release (net/socket.c:735)
[   15.694541][    C1]  sock_close (net/socket.c:1526 (discriminator 1))
[   15.694543][    C1]  __fput (fs/file_table.c:512)
[   15.694545][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.694547][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.694549][    C1]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.694551][    C1]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229)
[   15.694554][    C1]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   15.694555][    C1]  task_work_run (kernel/task_work.c:233)
[   15.694557][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   15.694560][    C1]  ? task_work_cancel (kernel/task_work.c:190)
[   15.694562][    C1]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6626)
[   15.694565][    C1]  do_exit (./include/linux/task_work.h:40 kernel/exit.c:1008)
[   15.694566][    C1]  ? exit_notify (kernel/exit.c:780)
[   15.694568][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.694569][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.694571][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.694573][    C1]  do_group_exit (kernel/exit.c:1151)
[   15.694574][    C1]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   15.694576][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   15.694577][    C1]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229)
[   15.694578][    C1]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   15.694579][    C1]  get_signal (kernel/signal.c:3039)
[   15.694583][    C1]  ? ptrace_signal (./include/linux/signal.h:87)
[   15.694586][    C1]  arch_do_signal_or_restart (arch/x86/kernel/signal.c:337)
[   15.694589][    C1]  ? get_sigframe_size (arch/x86/kernel/signal.c:233)
[   15.694591][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   15.694593][    C1]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[   15.694595][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.694597][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.694598][    C1]  exit_to_user_mode_loop (kernel/entry/common.c:66 kernel/entry/common.c:101)
[   15.694601][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.694603][    C1]  do_syscall_64 (./include/linux/irq-entry-common.h:207 ./include/linux/irq-entry-common.h:230 ./include/linux/entry-common.h:336 arch/x86/entry/syscall_64.c:89)
[   15.694605][    C1]  ? irq_exit_rcu (kernel/softirq.c:786)
[   15.694607][    C1]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.694609][    C1] RIP: 0033:0x7faa58d63312
[   15.694612][    C1] Code: Unable to access opcode bytes at 0x7faa58d632e8.

Code starting with the faulting instruction
===========================================
[   15.694613][    C1] RSP: 002b:00007ffe8221fbd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
[   15.694619][    C1] RAX: fffffffffffffe00 RBX: 0000000000416440 RCX: 00007faa58d63312
[   15.694620][    C1] RDX: 000000000000002a RSI: 0000000000000189 RDI: 0000000000416460
[   15.694621][    C1] RBP: 00007ffe8221fc00 R08: 0000000000000000 R09: 00000000ffffffff
[   15.694622][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000


Finger prints:
print_report:kasan_report:kasan_check_range:tcp_v6_send_response:tcp_v6_timewait_ack