======================================
| [   16.000675][  T246] ==================================================================
| [   16.001013][  T246] BUG: KASAN: null-ptr-deref in try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
| [   16.001340][  T246] Write of size 8 at addr 0000000000000000 by task ip/246
| [   16.001572][  T246]
[   16.001676][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.001678][  T246] Call Trace:
[   16.001680][  T246]  <TASK>
[   16.001681][  T246]  dump_stack_lvl (lib/dump_stack.c:123)
[   16.001689][  T246]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   16.001691][  T246]  kasan_report (mm/kasan/report.c:597)
[   16.001698][  T246]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   16.001703][  T246]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   16.001707][  T246]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   16.001711][  T246]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   16.001714][  T246]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   16.001718][  T246]  ? qdisc_destroy (net/sched/sch_generic.c:1355)
[   16.001726][  T246]  __cancel_work_sync (kernel/workqueue.c:4383)
[   16.001730][  T246]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   16.001737][  T246]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   16.001743][  T246]  ? netdev_notify_peers (net/core/dev.c:1891)
[   16.001746][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   16.001754][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   16.001758][  T246]  netif_close_many (net/core/dev.c:1959)
[   16.001762][  T246]  ? dev_close (net/core/dev_api.c:220)
[   16.001767][  T246]  ? __dev_close_many (net/core/dev.c:1949)
[   16.001770][  T246]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   16.001777][  T246]  ? synchronize_rcu_normal (kernel/rcu/tree_exp.h:921)
[   16.001783][  T246]  netif_close (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1975 net/core/dev.c:1968)
[   16.001786][  T246]  ? netif_close_many (net/core/dev.c:1969)
[   16.001792][  T246]  dev_close (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:221)
[   16.001795][  T246]  team_port_del (drivers/net/team/team_core.c:1009 drivers/net/team/team_core.c:1317)
[   16.001801][  T246]  ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67)
[   16.001805][  T246]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2948)
[   16.001811][  T246]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   16.001816][  T246]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   16.001822][  T246]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.001826][  T246]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   16.001833][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.001838][  T246]  ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113)
[   16.001841][  T246]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   16.001844][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   16.001848][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   16.001850][  T246]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   16.001853][  T246]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   16.001857][  T246]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   16.001861][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   16.001866][  T246]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   16.001872][  T246]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   16.001881][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   16.001889][  T246]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   16.001894][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   16.001897][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.001903][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.001907][  T246]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   16.001909][  T246]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   16.001914][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   16.001917][  T246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   16.001920][  T246]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   16.001923][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.001930][  T246]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   16.001934][  T246]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   16.001938][  T246]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   16.001944][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   16.001949][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333)
[   16.001954][  T246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   16.001957][  T246]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   16.001961][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.001966][  T246]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   16.001970][  T246]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   16.001973][  T246]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   16.001979][  T246]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   16.001983][  T246]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   16.001988][  T246]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   16.001991][  T246]  ? __copy_msghdr (net/socket.c:2556)
[   16.001997][  T246]  ___sys_sendmsg (net/socket.c:2686)
[   16.001999][  T246]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   16.002002][  T246]  ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3125)
[   16.002006][  T246]  ? copy_msghdr_from_user (net/socket.c:2673)
[   16.002010][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.002014][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.002020][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.002023][  T246]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   16.002030][  T246]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   16.002036][  T246]  __sys_sendmsg (net/socket.c:2716)
[   16.002038][  T246]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   16.002042][  T246]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   16.002049][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   16.002053][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.002059][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   16.002062][  T246] RIP: 0033:0x7fcbfe17f1d7
[   16.002067][  T246] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   16.002070][  T246] RSP: 002b:00007ffcdcce74d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   16.002074][  T246] RAX: ffffffffffffffda RBX: 00007ffcdcce7c00 RCX: 00007fcbfe17f1d7
[   16.002076][  T246] RDX: 0000000000000000 RSI: 00007ffcdcce7540 RDI: 0000000000000005
[   16.002078][  T246] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   16.002079][  T246] R10: 00007fcbfe07bf60 R11: 0000000000000246 R12: 0000000000000003
[   16.002081][  T246] R13: 00000000691cc73e R14: 0000000000499600 R15: 0000000000000000
| [   16.024116][  T246] #PF: error_code(0x0002) - not-present page
| [   16.024477][  T246] PGD a513067 P4D a513067 PUD b849067 PMD 0
| [   16.024869][  T246] Oops: Oops: 0002 [#1] SMP KASAN
| [   16.025754][  T246] Tainted: [B]=BAD_PAGE
[   16.025981][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.026363][  T246] RIP: 0010:try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   16.026753][  T246] Code: 00 41 89 c0 b8 01 00 00 00 45 85 c0 74 0f 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f c3 be 08 00 00 00 48 89 df e8 af 80 81 00 <f0> 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e
All code
========
   0:	00 41 89             	add    %al,-0x77(%rcx)
   3:	c0 b8 01 00 00 00 45 	sarb   $0x45,0x1(%rax)
   a:	85 c0                	test   %eax,%eax
   c:	74 0f                	je     0x1d
   e:	48 83 c4 10          	add    $0x10,%rsp
  12:	5b                   	pop    %rbx
  13:	5d                   	pop    %rbp
  14:	41 5c                	pop    %r12
  16:	41 5d                	pop    %r13
  18:	41 5e                	pop    %r14
  1a:	41 5f                	pop    %r15
  1c:	c3                   	ret
  1d:	be 08 00 00 00       	mov    $0x8,%esi
  22:	48 89 df             	mov    %rbx,%rdi
  25:	e8 af 80 81 00       	call   0x8180d9
  2a:*	f0 48 0f ba 2b 00    	lock btsq $0x0,(%rbx)		<-- trapping instruction
  30:	72 11                	jb     0x43
  32:	48 83 c4 10          	add    $0x10,%rsp
  36:	31 c0                	xor    %eax,%eax
  38:	5b                   	pop    %rbx
  39:	5d                   	pop    %rbp
  3a:	41 5c                	pop    %r12
  3c:	41 5d                	pop    %r13
  3e:	41 5e                	pop    %r14

Code starting with the faulting instruction
===========================================
   0:	f0 48 0f ba 2b 00    	lock btsq $0x0,(%rbx)
   6:	72 11                	jb     0x19
   8:	48 83 c4 10          	add    $0x10,%rsp
   c:	31 c0                	xor    %eax,%eax
   e:	5b                   	pop    %rbx
   f:	5d                   	pop    %rbp
  10:	41 5c                	pop    %r12
  12:	41 5d                	pop    %r13
  14:	41 5e                	pop    %r14
[   16.027834][  T246] RSP: 0018:ffffc90000b06e28 EFLAGS: 00010046
[   16.028209][  T246] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb0c4390a
[   16.028658][  T246] RDX: fffffbfff6a1d4cd RSI: 0000000000000008 RDI: ffffffffb50ea660
[   16.029108][  T246] RBP: ffffc90000b06e90 R08: 0000000000000001 R09: fffffbfff6a1d4cc
[   16.029568][  T246] R10: ffffffffb50ea667 R11: ffffc90000b06900 R12: 0000000000000000
[   16.030022][  T246] R13: 0000000000000286 R14: ffff8880051b1000 R15: dffffc0000000000
[   16.030474][  T246] FS:  00007fcbfdfb1800(0000) GS:ffff888081201000(0000) knlGS:0000000000000000
[   16.030999][  T246] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.031388][  T246] CR2: 0000000000000000 CR3: 000000000b84a005 CR4: 0000000000772ef0
[   16.031846][  T246] PKRU: 55555554
[   16.032054][  T246] Call Trace:
[   16.032278][  T246]  <TASK>
[   16.032420][  T246]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   16.032716][  T246]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   16.033013][  T246]  ? qdisc_destroy (net/sched/sch_generic.c:1355)
[   16.033318][  T246]  __cancel_work_sync (kernel/workqueue.c:4383)
[   16.033621][  T246]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   16.033915][  T246]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   16.034210][  T246]  ? netdev_notify_peers (net/core/dev.c:1891)
[   16.034504][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   16.034815][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   16.035111][  T246]  netif_close_many (net/core/dev.c:1959)
[   16.035413][  T246]  ? dev_close (net/core/dev_api.c:220)
[   16.035639][  T246]  ? __dev_close_many (net/core/dev.c:1949)
[   16.035934][  T246]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   16.036233][  T246]  ? synchronize_rcu_normal (kernel/rcu/tree_exp.h:921)
[   16.036532][  T246]  netif_close (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1975 net/core/dev.c:1968)
[   16.036824][  T246]  ? netif_close_many (net/core/dev.c:1969)
[   16.037120][  T246]  dev_close (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:221)
[   16.037340][  T246]  team_port_del (drivers/net/team/team_core.c:1009 drivers/net/team/team_core.c:1317)
[   16.037636][  T246]  ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67)
[   16.037918][  T246]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2948)
[   16.038228][  T246]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   16.038526][  T246]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   16.038820][  T246]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.039118][  T246]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   16.039416][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.039710][  T246]  ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113)
[   16.040003][  T246]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   16.040307][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   16.040590][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   16.040875][  T246]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   16.041177][  T246]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   16.041477][  T246]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   16.041780][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   16.042083][  T246]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   16.042387][  T246]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   16.042692][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   16.042992][  T246]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   16.043298][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   16.043587][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.043887][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.044187][  T246]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   16.044713][  T246]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   16.045017][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   16.045314][  T246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   16.045612][  T246]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   16.045918][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.046105][  T246]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   16.046286][  T246]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   16.046468][  T246]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   16.046761][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   16.046961][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333)
[   16.047144][  T246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   16.047345][  T246]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   16.047638][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.047822][  T246]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   16.048090][  T246]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   16.048329][  T246]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   16.048620][  T246]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   16.048808][  T246]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   16.049005][  T246]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   16.049231][  T246]  ? __copy_msghdr (net/socket.c:2556)
[   16.049527][  T246]  ___sys_sendmsg (net/socket.c:2686)
[   16.049707][  T246]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   16.049898][  T246]  ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3125)
[   16.050126][  T246]  ? copy_msghdr_from_user (net/socket.c:2673)
[   16.050313][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.050496][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.050681][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.050864][  T246]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   16.051165][  T246]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   16.051350][  T246]  __sys_sendmsg (net/socket.c:2716)
[   16.051530][  T246]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   16.051867][  T246]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   16.052064][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   16.052247][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.052433][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   16.052771][  T246] RIP: 0033:0x7fcbfe17f1d7
[   16.052977][  T246] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   16.053750][  T246] RSP: 002b:00007ffcdcce74d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   16.054040][  T246] RAX: ffffffffffffffda RBX: 00007ffcdcce7c00 RCX: 00007fcbfe17f1d7
[   16.054317][  T246] RDX: 0000000000000000 RSI: 00007ffcdcce7540 RDI: 0000000000000005
[   16.054716][  T246] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   16.055011][  T246] R10: 00007fcbfe07bf60 R11: 0000000000000246 R12: 0000000000000003


Finger prints:
try_to_grab_pending:__cancel_work:__cancel_work_sync:__dev_close_many:netif_close_many
kasan_report:kasan_check_range:try_to_grab_pending:__cancel_work:__cancel_work_sync