======================================
| xx__-> [   30.980191][    C1] ==================================================================
| [   30.980497][    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)
| [   30.980737][    C1] Read of size 8 at addr ff1100000fd3c570 by task rst_ipv6/319
| [   30.980963][    C1]
[   30.981051][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.981053][    C1] Call Trace:
[   30.981054][    C1]  <IRQ>
[   30.981056][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.981061][    C1]  print_address_description.constprop.0 (mm/kasan/report.c:378)
[   30.981065][    C1]  print_report (mm/kasan/report.c:482)
[   30.981067][    C1]  ? __virt_addr_valid (./include/linux/rcupdate.h:948 ./include/linux/mmzone.h:2276 arch/x86/mm/physaddr.c:54)
[   30.981071][    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))
[   30.981073][    C1]  kasan_report (mm/kasan/report.c:595)
[   30.981077][    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)
[   30.981078][    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)
[   30.981081][    C1]  kasan_check_range (mm/kasan/generic.c:186 mm/kasan/generic.c:200)
[   30.981083][    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)
[   30.981086][    C1]  ? tcp_v6_send_synack (./include/net/inet_sock.h:338 (discriminator 1))
[   30.981087][    C1]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.981091][    C1]  ? tcp_ao_established_key (net/ipv4/tcp_ao.c:222 (discriminator 6))
[   30.981094][    C1]  ? tcp_ao_prepare_reset (net/ipv4/tcp_ao.c:855)
[   30.981096][    C1]  tcp_v6_send_reset (net/ipv6/tcp_ipv6.c:1131 (discriminator 1))
[   30.981099][    C1]  ? trace_fib6_table_lookup (./include/trace/events/fib6.h:13 (discriminator 22))
[   30.981101][    C1]  ? tcp_v6_timewait_ack (net/ipv6/tcp_ipv6.c:1195)
[   30.981103][    C1]  ? reacquire_held_locks (kernel/locking/lockdep.c:5401)
[   30.981105][    C1]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   30.981108][    C1]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   30.981110][    C1]  tcp_v6_rcv (net/ipv6/tcp_ipv6.c:1996)
[   30.981113][    C1]  ? tcp_v6_syn_recv_sock (./include/net/sock.h:1128 (discriminator 2))
[   30.981115][    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))
[   30.981118][    C1]  ? ipv6_raw_deliver (./include/linux/rcupdate.h:882 net/ipv6/raw.c:207)
[   30.981120][    C1]  ? update_cfs_rq_load_avg (kernel/sched/fair.c:5687)
[   30.981123][    C1]  ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:479)
[   30.981127][    C1]  ip6_input_finish (net/ipv6/ip6_input.c:534)
[   30.981129][    C1]  ip6_input (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv6/ip6_input.c:545)
[   30.981131][    C1]  ? ip6_input_finish (net/ipv6/ip6_input.c:527 (discriminator 46))
[   30.981133][    C1]  ? ip6_rcv_core (./include/linux/skbuff.h:3432 net/ipv6/ip6_input.c:332)
[   30.981135][    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))
[   30.981137][    C1]  ? ip6_rcv_core (net/ipv6/ip6_input.c:211 (discriminator 96))
[   30.981139][    C1]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.981141][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.981143][    C1]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   30.981146][    C1]  __netif_receive_skb_one_core (net/core/dev.c:6264)
[   30.981149][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.981150][    C1]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   30.981152][    C1]  ? __netif_receive_skb_list_core (net/core/dev.c:6310)
[   30.981154][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.981158][    C1]  process_backlog (net/core/dev.c:6728)
[   30.981161][    C1]  __napi_poll (net/core/dev.c:7787)
[   30.981163][    C1]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   30.981166][    C1]  ? __napi_poll (./include/net/gro.h:507)
[   30.981168][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.981171][    C1]  ? clockevents_program_event (kernel/time/clockevents.c:372)
[   30.981174][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.981175][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.981177][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.981179][    C1]  handle_softirqs (kernel/softirq.c:645)
[   30.981181][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   30.981182][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   30.981184][    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))
[   30.981186][    C1]  do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[   30.981187][    C1]  </IRQ>
[   30.981188][    C1]  <TASK>
[   30.981189][    C1]  __local_bh_enable_ip (kernel/softirq.c:473)
[   30.981191][    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))
[   30.981193][    C1]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.981194][    C1]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.981197][    C1]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   30.981199][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.981200][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.981202][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.981203][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.981205][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.981206][    C1]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   30.981208][    C1]  ? neigh_hh_output (./include/net/neighbour.h:525)
[   30.981210][    C1]  ip6_finish_output2 (./include/net/neighbour.h:558 net/ipv6/ip6_output.c:138)
[   30.981213][    C1]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:1297)
[   30.981214][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.981216][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.981218][    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))
[   30.981220][    C1]  ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[   30.981222][    C1]  ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[   30.981224][    C1]  ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[   30.981226][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.981227][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.981229][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.981231][    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))
[   30.981232][    C1]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.981234][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.981236][    C1]  ? ip6_autoflowlabel (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.981238][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.981239][    C1]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.981241][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.981243][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.981244][    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))
[   30.981246][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.981248][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.981250][    C1]  inet6_csk_xmit (net/ipv6/inet6_connection_sock.c:123 (discriminator 13))
[   30.981252][    C1]  __tcp_transmit_skb (net/ipv4/tcp_output.c:1716)
[   30.981257][    C1]  ? __tcp_select_window (./arch/x86/include/asm/atomic.h:23)
[   30.981258][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.981260][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.981261][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.981262][    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))
[   30.981265][    C1]  tcp_write_xmit (net/ipv4/tcp_output.c:1734 net/ipv4/tcp_output.c:3070)
[   30.981268][    C1]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   30.981269][    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)
[   30.981272][    C1]  ? tcp_retrans_try_collapse (./arch/x86/include/asm/atomic.h:23)
[   30.981274][    C1]  ? skb_do_copy_data_nocache (./include/linux/uio.h:228 ./include/linux/uio.h:245 ./include/net/sock.h:2327)
[   30.981276][    C1]  ? trace_tcp_sendmsg_locked (./include/trace/events/tcp.h:335 (discriminator 19))
[   30.981278][    C1]  __tcp_push_pending_frames (net/ipv4/tcp_output.c:3253 (discriminator 1))
[   30.981280][    C1]  tcp_sendmsg_locked (net/ipv4/tcp.c:1415)
[   30.981284][    C1]  ? tcp_sendmsg_fastopen (net/ipv4/tcp.c:1081)
[   30.981286][    C1]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   30.981287][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.981289][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.981291][    C1]  tcp_sendmsg (net/ipv4/tcp.c:1452)
[   30.981293][    C1]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   30.981296][    C1]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   30.981300][    C1]  ? __sys_getsockopt (./include/linux/file.h:63 ./include/linux/file.h:83 net/socket.c:2526)
[   30.981302][    C1]  ? fput (./include/linux/preempt.h:500 ./include/linux/file_ref.h:150 fs/file_table.c:588)
[   30.981304][    C1]  ? fput (./include/linux/preempt.h:500 (discriminator 1) ./include/linux/file_ref.h:150 (discriminator 1) fs/file_table.c:588 (discriminator 1))
[   30.981305][    C1]  ? __sys_setsockopt (./include/linux/file.h:63 ./include/linux/file.h:83 net/socket.c:2414)
[   30.981307][    C1]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   30.981309][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.981312][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   30.981314][    C1]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   30.981316][    C1]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.981318][    C1]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.981320][    C1]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.981322][    C1] RIP: 0033:0x7f12da982312
[   30.981325][    C1] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   30.981327][    C1] RSP: 002b:00007f12da0ff3c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   30.981331][    C1] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f12da982312
[   30.981332][    C1] RDX: 0000000000000064 RSI: 00007f12da0ff440 RDI: 0000000000000009
[   30.981333][    C1] RBP: 00007f12da0ff3f0 R08: 0000000000000000 R09: 0000000000000000
[   30.981334][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000064


Finger prints:
print_report:kasan_report:kasan_check_range:tcp_v6_send_response:tcp_v6_send_reset