======================================
| [  137.799261][ T4307] netem: version 1.3
| [  149.841204][ T4467] ip (4467) used greatest stack depth: 24016 bytes left
| [  420.229271][ T7469] ip (7469) used greatest stack depth: 23264 bytes left
| [  422.361206][ T7515] kmemleak: Found object by alias at 0xff1100001f440840
[  422.361219][ T7515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  422.361220][ T7515] Call Trace:
[  422.361222][ T7515]  <TASK>
[  422.361224][ T7515]  dump_stack_lvl (lib/dump_stack.c:122)
[  422.361233][ T7515]  __lookup_object (mm/kmemleak.c:447)
[  422.361238][ T7515]  delete_object_full (mm/kmemleak.c:618 mm/kmemleak.c:636 mm/kmemleak.c:839)
[  422.361241][ T7515]  kfree (./include/linux/kmemleak.h:50 mm/slub.c:2465 mm/slub.c:6670 mm/slub.c:6878)
[  422.361244][ T7515]  ? mptcp_pm_nl_flush_addrs_doit (./include/linux/list.h:381 (discriminator 2) net/mptcp/pm_kernel.c:1276 (discriminator 2) net/mptcp/pm_kernel.c:1315 (discriminator 2))
[  422.361250][ T7515]  ? mptcp_pm_nl_flush_addrs_doit (./include/linux/list.h:381 (discriminator 2) net/mptcp/pm_kernel.c:1276 (discriminator 2) net/mptcp/pm_kernel.c:1315 (discriminator 2))
[  422.361252][ T7515]  mptcp_pm_nl_flush_addrs_doit (./include/linux/list.h:381 (discriminator 2) net/mptcp/pm_kernel.c:1276 (discriminator 2) net/mptcp/pm_kernel.c:1315 (discriminator 2))
[  422.361256][ T7515]  ? mptcp_pm_nl_del_addr_doit (net/mptcp/pm_kernel.c:1295)
[  422.361258][ T7515]  ? genl_family_rcv_msg_attrs_parse.isra.0 (net/netlink/genetlink.c:947)
[  422.361265][ T7515]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1117)
[  422.361268][ T7515]  ? genl_family_rcv_msg_attrs_parse.isra.0 (net/netlink/genetlink.c:1088)
[  422.361270][ T7515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  422.361274][ T7515]  ? perf_trace_sched_switch (kernel/sched/core.c:8782)
[  422.361276][ T7515]  ? genl_rcv_msg (net/netlink/genetlink.c:61 net/netlink/genetlink.c:57 net/netlink/genetlink.c:1209)
[  422.361282][ T7515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  422.361284][ T7515]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 33) security/commoncap.c:130 (discriminator 33))
[  422.361289][ T7515]  genl_family_rcv_msg (net/netlink/genetlink.c:1195)
[  422.361293][ T7515]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1160)
[  422.361296][ T7515]  ? mptcp_pm_nl_del_addr_doit (net/mptcp/pm_kernel.c:1295)
[  422.361299][ T7515]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[  422.361304][ T7515]  genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211)
[  422.361307][ T7515]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[  422.361310][ T7515]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1201)
[  422.361313][ T7515]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[  422.361315][ T7515]  ? perf_trace_sched_switch (kernel/sched/core.c:8782)
[  422.361321][ T7515]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 (discriminator 1) ./include/linux/rcupdate.h:897 (discriminator 1) ./include/net/netns/generic.h:48 (discriminator 1) net/netlink/af_netlink.c:333 (discriminator 1))
[  422.361324][ T7515]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 (discriminator 1) ./include/linux/rcupdate.h:897 (discriminator 1) net/netlink/af_netlink.c:340 (discriminator 1))
[  422.361330][ T7515]  genl_rcv (net/netlink/genetlink.c:1220)
[  422.361334][ T7515]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[  422.361339][ T7515]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[  422.361341][ T7515]  ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 1) net/core/skbuff.c:694 (discriminator 1))
[  422.361345][ T7515]  ? napi_skb_cache_get (net/core/skbuff.c:673)
[  422.361347][ T7515]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[  422.361351][ T7515]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[  422.361355][ T7515]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  422.361359][ T7515]  ? __might_fault (mm/memory.c:7174 (discriminator 4))
[  422.361365][ T7515]  __sys_sendto (net/socket.c:730 (discriminator 1) net/socket.c:742 (discriminator 1) net/socket.c:2206 (discriminator 1))
[  422.361368][ T7515]  ? __ia32_sys_getpeername (net/socket.c:2173)
[  422.361374][ T7515]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  422.361381][ T7515]  ? update_socket_protocol+0x10/0x10
[  422.361385][ T7515]  __x64_sys_sendto (net/socket.c:2213 (discriminator 1) net/socket.c:2209 (discriminator 1) net/socket.c:2209 (discriminator 1))
[  422.361388][ T7515]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473)
[  422.361391][ T7515]  ? do_syscall_64 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/entry-common.h:108 arch/x86/entry/syscall_64.c:90)
[  422.361393][ T7515]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
[  422.361396][ T7515]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:131)
[  422.361398][ T7515] RIP: 0033:0x7f8e05878c5e
[  422.361402][ T7515] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 14 bd 00 00       	call   0xbd1c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 13 ff ff ff       	call   0xffffffffffffff4c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 13 ff ff ff       	call   0xffffffffffffff22
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  422.361404][ T7515] RSP: 002b:00007ffc66552f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  422.361407][ T7515] RAX: ffffffffffffffda RBX: 00007ffc66552fe0 RCX: 00007f8e05878c5e
[  422.361409][ T7515] RDX: 0000000000000014 RSI: 00007ffc66552fe0 RDI: 0000000000000005
[  422.361410][ T7515] RBP: 00007ffc66552f40 R08: 00007ffc66552fa4 R09: 000000000000000c
[  422.361411][ T7515] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000014
[  422.361411][ T7515] R13: 0000000000000005 R14: 00007f8e05a43000 R15: 0000000000406e00
| [  422.361443][ T7515] ==================================================================
| [  422.372154][ T7515] BUG: KASAN: invalid-free in mptcp_pm_nl_flush_addrs_doit (./include/linux/list.h:381 (discriminator 2) net/mptcp/pm_kernel.c:1276 (discriminator 2) net/mptcp/pm_kernel.c:1315 (discriminator 2))
| [  422.372353][ T7515] Free of addr ff1100001f440840 by task pm_nl_ctl/7515
| [  422.372515][ T7515]
[  422.372591][ T7515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  422.372592][ T7515] Call Trace:
[  422.372593][ T7515]  <TASK>
[  422.372594][ T7515]  dump_stack_lvl (lib/dump_stack.c:122)
[  422.372597][ T7515]  print_address_description.constprop.0 (mm/kasan/report.c:379)
[  422.372600][ T7515]  ? mptcp_pm_nl_flush_addrs_doit (./include/linux/list.h:381 (discriminator 2) net/mptcp/pm_kernel.c:1276 (discriminator 2) net/mptcp/pm_kernel.c:1315 (discriminator 2))
[  422.372603][ T7515]  print_report (mm/kasan/report.c:483)
[  422.372604][ T7515]  ? mptcp_pm_nl_flush_addrs_doit (./include/linux/list.h:381 (discriminator 2) net/mptcp/pm_kernel.c:1276 (discriminator 2) net/mptcp/pm_kernel.c:1315 (discriminator 2))
[  422.372606][ T7515]  ? __virt_addr_valid (./include/linux/rcupdate.h:981 (discriminator 3) ./include/linux/mmzone.h:2193 (discriminator 3) arch/x86/mm/physaddr.c:54 (discriminator 3))
[  422.372609][ T7515]  ? mptcp_pm_nl_flush_addrs_doit (./include/linux/list.h:381 (discriminator 2) net/mptcp/pm_kernel.c:1276 (discriminator 2) net/mptcp/pm_kernel.c:1315 (discriminator 2))
[  422.372611][ T7515]  ? mptcp_pm_nl_flush_addrs_doit (./include/linux/list.h:381 (discriminator 2) net/mptcp/pm_kernel.c:1276 (discriminator 2) net/mptcp/pm_kernel.c:1315 (discriminator 2))
[  422.372613][ T7515]  kasan_report_invalid_free (mm/kasan/report.c:221 mm/kasan/report.c:563)
[  422.372616][ T7515]  ? mptcp_pm_nl_flush_addrs_doit (./include/linux/list.h:381 (discriminator 2) net/mptcp/pm_kernel.c:1276 (discriminator 2) net/mptcp/pm_kernel.c:1315 (discriminator 2))
[  422.372618][ T7515]  check_slab_allocation (mm/kasan/common.c:231)
[  422.372621][ T7515]  kfree (mm/slub.c:2485 (discriminator 1) mm/slub.c:6670 (discriminator 1) mm/slub.c:6878 (discriminator 1))
[  422.372623][ T7515]  ? mptcp_pm_nl_flush_addrs_doit (./include/linux/list.h:381 (discriminator 2) net/mptcp/pm_kernel.c:1276 (discriminator 2) net/mptcp/pm_kernel.c:1315 (discriminator 2))
[  422.372625][ T7515]  ? mptcp_pm_nl_flush_addrs_doit (./include/linux/list.h:381 (discriminator 2) net/mptcp/pm_kernel.c:1276 (discriminator 2) net/mptcp/pm_kernel.c:1315 (discriminator 2))
[  422.372627][ T7515]  mptcp_pm_nl_flush_addrs_doit (./include/linux/list.h:381 (discriminator 2) net/mptcp/pm_kernel.c:1276 (discriminator 2) net/mptcp/pm_kernel.c:1315 (discriminator 2))
[  422.372629][ T7515]  ? mptcp_pm_nl_del_addr_doit (net/mptcp/pm_kernel.c:1295)
[  422.372631][ T7515]  ? genl_family_rcv_msg_attrs_parse.isra.0 (net/netlink/genetlink.c:947)
[  422.372634][ T7515]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1117)
[  422.372636][ T7515]  ? genl_family_rcv_msg_attrs_parse.isra.0 (net/netlink/genetlink.c:1088)
[  422.372638][ T7515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  422.372641][ T7515]  ? perf_trace_sched_switch (kernel/sched/core.c:8782)
[  422.372642][ T7515]  ? genl_rcv_msg (net/netlink/genetlink.c:61 net/netlink/genetlink.c:57 net/netlink/genetlink.c:1209)
[  422.372645][ T7515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  422.372647][ T7515]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 33) security/commoncap.c:130 (discriminator 33))
[  422.372649][ T7515]  genl_family_rcv_msg (net/netlink/genetlink.c:1195)
[  422.372652][ T7515]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1160)
[  422.372654][ T7515]  ? mptcp_pm_nl_del_addr_doit (net/mptcp/pm_kernel.c:1295)
[  422.372656][ T7515]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[  422.372659][ T7515]  genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211)
[  422.372661][ T7515]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[  422.372663][ T7515]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1201)
[  422.372666][ T7515]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[  422.372667][ T7515]  ? perf_trace_sched_switch (kernel/sched/core.c:8782)
[  422.372670][ T7515]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 (discriminator 1) ./include/linux/rcupdate.h:897 (discriminator 1) ./include/net/netns/generic.h:48 (discriminator 1) net/netlink/af_netlink.c:333 (discriminator 1))
[  422.372672][ T7515]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 (discriminator 1) ./include/linux/rcupdate.h:897 (discriminator 1) net/netlink/af_netlink.c:340 (discriminator 1))
[  422.372674][ T7515]  genl_rcv (net/netlink/genetlink.c:1220)
[  422.372676][ T7515]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[  422.372679][ T7515]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[  422.372680][ T7515]  ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 1) net/core/skbuff.c:694 (discriminator 1))
[  422.372683][ T7515]  ? napi_skb_cache_get (net/core/skbuff.c:673)
[  422.372684][ T7515]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[  422.372687][ T7515]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[  422.372689][ T7515]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  422.372691][ T7515]  ? __might_fault (mm/memory.c:7174 (discriminator 4))
[  422.372695][ T7515]  __sys_sendto (net/socket.c:730 (discriminator 1) net/socket.c:742 (discriminator 1) net/socket.c:2206 (discriminator 1))
[  422.372697][ T7515]  ? __ia32_sys_getpeername (net/socket.c:2173)
[  422.372700][ T7515]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  422.372703][ T7515]  ? update_socket_protocol+0x10/0x10
[  422.372705][ T7515]  __x64_sys_sendto (net/socket.c:2213 (discriminator 1) net/socket.c:2209 (discriminator 1) net/socket.c:2209 (discriminator 1))
[  422.372707][ T7515]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473)
[  422.372709][ T7515]  ? do_syscall_64 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/entry-common.h:108 arch/x86/entry/syscall_64.c:90)
[  422.372710][ T7515]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
[  422.372712][ T7515]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:131)
[  422.372714][ T7515] RIP: 0033:0x7f8e05878c5e
[  422.372716][ T7515] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 14 bd 00 00       	call   0xbd1c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 13 ff ff ff       	call   0xffffffffffffff4c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 13 ff ff ff       	call   0xffffffffffffff22
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  422.372717][ T7515] RSP: 002b:00007ffc66552f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  422.372719][ T7515] RAX: ffffffffffffffda RBX: 00007ffc66552fe0 RCX: 00007f8e05878c5e
[  422.372720][ T7515] RDX: 0000000000000014 RSI: 00007ffc66552fe0 RDI: 0000000000000005
[  422.372721][ T7515] RBP: 00007ffc66552f40 R08: 00007ffc66552fa4 R09: 000000000000000c
[  422.372721][ T7515] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000014
[  422.372722][ T7515] R13: 0000000000000005 R14: 00007f8e05a43000 R15: 0000000000406e00
| [  427.661990][   T12] #PF: error_code(0x0000) - not-present page
| [  427.662125][   T12] PGD 1000067 P4D 18e6067 PUD 18eb067 PMD 10fd3067 PTE 0
| [  427.662286][   T12] Oops: Oops: 0000 [#1] SMP KASAN
| [  427.662702][   T12] Tainted: [B]=BAD_PAGE
[  427.662807][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  427.662961][   T12] Workqueue: netns cleanup_net
[  427.663080][   T12] RIP: 0010:pm_nl_exit_net (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/rculist.h:178 net/mptcp/pm_kernel.c:1281 net/mptcp/pm_kernel.c:1610)
[  427.663218][   T12] Code: 4c 01 fd 80 7d 00 00 0f 85 37 02 00 00 4c 8b 73 40 49 8d 76 08 48 89 f0 48 c1 e8 03 42 80 3c 38 00 0f 85 ed 02 00 00 4c 89 f1 <49> 8b 46 08 48 c1 e9 03 42 80 3c 39 00 0f 85 b6 02 00 00 48 89 c7
All code
========
   0:	4c 01 fd             	add    %r15,%rbp
   3:	80 7d 00 00          	cmpb   $0x0,0x0(%rbp)
   7:	0f 85 37 02 00 00    	jne    0x244
   d:	4c 8b 73 40          	mov    0x40(%rbx),%r14
  11:	49 8d 76 08          	lea    0x8(%r14),%rsi
  15:	48 89 f0             	mov    %rsi,%rax
  18:	48 c1 e8 03          	shr    $0x3,%rax
  1c:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
  21:	0f 85 ed 02 00 00    	jne    0x314
  27:	4c 89 f1             	mov    %r14,%rcx
  2a:*	49 8b 46 08          	mov    0x8(%r14),%rax		<-- trapping instruction
  2e:	48 c1 e9 03          	shr    $0x3,%rcx
  32:	42 80 3c 39 00       	cmpb   $0x0,(%rcx,%r15,1)
  37:	0f 85 b6 02 00 00    	jne    0x2f3
  3d:	48 89 c7             	mov    %rax,%rdi

Code starting with the faulting instruction
===========================================
   0:	49 8b 46 08          	mov    0x8(%r14),%rax
   4:	48 c1 e9 03          	shr    $0x3,%rcx
   8:	42 80 3c 39 00       	cmpb   $0x0,(%rcx,%r15,1)
   d:	0f 85 b6 02 00 00    	jne    0x2c9
  13:	48 89 c7             	mov    %rax,%rdi
[  427.663647][   T12] RSP: 0018:ffa00000000c7a30 EFLAGS: 00010282
[  427.663778][   T12] RAX: 0000000000000000 RBX: ff1100001f440800 RCX: ffa00000064d7720
[  427.663935][   T12] RDX: 0000000000000000 RSI: ffa00000064d7728 RDI: ffa00000000c79f8
[  427.664092][   T12] RBP: ffe21c0003e88108 R08: 0000000000000008 R09: 0000000000000000
[  427.664276][   T12] R10: 0000000000000001 R11: ffffffffa2395140 R12: ff1100001f440840
[  427.664429][   T12] R13: dead000000000122 R14: ffa00000064d7720 R15: dffffc0000000000
[  427.664590][   T12] FS:  0000000000000000(0000) GS:ff11000091ce4000(0000) knlGS:0000000000000000
[  427.664814][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  427.664969][   T12] CR2: ffa00000064d7728 CR3: 0000000015b58003 CR4: 0000000000771ef0
[  427.665194][   T12] PKRU: 55555554
[  427.665289][   T12] Call Trace:
[  427.665386][   T12]  <TASK>
[  427.665454][   T12]  ops_undo_list (net/core/net_namespace.c:251 (discriminator 4))
[  427.665587][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:223)
[  427.665747][   T12]  cleanup_net (net/core/net_namespace.c:698)
[  427.665880][   T12]  ? net_passive_dec (net/core/net_namespace.c:660)
[  427.665994][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  427.666123][   T12]  ? process_one_work (kernel/workqueue.c:3233 (discriminator 1))
[  427.666277][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[  427.666403][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  427.666534][   T12]  process_one_work (kernel/workqueue.c:3262)
[  427.666657][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:3159)
[  427.666825][   T12]  ? io_schedule_timeout (kernel/sched/core.c:6719)
[  427.666932][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:114)
[  427.667022][   T12]  ? schedule (kernel/sched/core.c:6901 (discriminator 1) kernel/sched/core.c:6959 (discriminator 1))
[  427.667089][   T12]  ? assign_work (kernel/workqueue.c:1200)
[  427.667213][   T12]  worker_thread (kernel/workqueue.c:3334 (discriminator 2) kernel/workqueue.c:3421 (discriminator 2))
[  427.667333][   T12]  ? process_one_work (kernel/workqueue.c:3367)
[  427.667442][   T12]  kthread (kernel/kthread.c:463)
[  427.667531][   T12]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[  427.667657][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  427.667792][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  427.667906][   T12]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[  427.668029][   T12]  ret_from_fork (arch/x86/kernel/process.c:164)
[  427.668143][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  427.668291][   T12]  ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665)
[  427.668404][   T12]  ? kthread_is_per_cpu (kernel/kthread.c:412)


Finger prints:
__lookup_object:delete_object_full:kfree:mptcp_pm_nl_flush_addrs_doit:genl_family_rcv_msg_doit
print_report:kasan_report_invalid_free:check_slab_allocation:kfree:mptcp_pm_nl_flush_addrs_doit
pm_nl_exit_net:ops_undo_list:cleanup_net:process_one_work:worker_thread