======================================
| [  382.211567][ T3020] ==================================================================
| [  382.212021][ T3020] 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)
| [  382.212443][ T3020] Write of size 8 at addr 0000000000000000 by task ip/3020
| [  382.212837][ T3020]
[  382.212981][ T3020] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  382.212988][ T3020] Call Trace:
[  382.212993][ T3020]  <TASK>
[  382.212996][ T3020]  dump_stack_lvl (lib/dump_stack.c:123)
[  382.213014][ T3020]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  382.213018][ T3020]  kasan_report (mm/kasan/report.c:597)
[  382.213026][ T3020]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  382.213035][ T3020]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[  382.213040][ T3020]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  382.213048][ T3020]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[  382.213053][ T3020]  ? enable_delayed_work (kernel/workqueue.c:4359)
[  382.213058][ T3020]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[  382.213063][ T3020]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  382.213073][ T3020]  __cancel_work_sync (kernel/workqueue.c:4383)
[  382.213078][ T3020]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[  382.213088][ T3020]  ? netdev_notify_peers (net/core/dev.c:1891)
[  382.213093][ T3020]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  382.213103][ T3020]  netif_close_many (net/core/dev.c:1959)
[  382.213110][ T3020]  ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[  382.213117][ T3020]  ? __dev_close_many (net/core/dev.c:1949)
[  382.213122][ T3020]  ? dev_getbyhwaddr_rcu (net/core/dev.c:10950)
[  382.213126][ T3020]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  382.213134][ T3020]  __dev_change_net_namespace (./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 net/core/dev.c:12746)
[  382.213146][ T3020]  ? default_device_exit_batch (net/core/dev.c:12662)
[  382.213150][ T3020]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  382.213156][ T3020]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  382.213162][ T3020]  ? rtnl_af_lookup (net/core/rtnetlink.c:2675)
[  382.213169][ T3020]  ? is_bpf_text_address (kernel/bpf/core.c:749)
[  382.213177][ T3020]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[  382.213186][ T3020]  do_setlink.constprop.0 (net/core/rtnetlink.c:3060)
[  382.213193][ T3020]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[  382.213202][ T3020]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  382.213208][ T3020]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  382.213215][ T3020]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  382.213223][ T3020]  ? __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)
[  382.213229][ T3020]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[  382.213233][ T3020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  382.213239][ T3020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  382.213244][ T3020]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[  382.213248][ T3020]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[  382.213254][ T3020]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  382.213258][ T3020]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[  382.213263][ T3020]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[  382.213268][ T3020]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[  382.213275][ T3020]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[  382.213283][ T3020]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[  382.213291][ T3020]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  382.213295][ T3020]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  382.213304][ T3020]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  382.213310][ T3020]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[  382.213313][ T3020]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  382.213320][ T3020]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  382.213324][ T3020]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[  382.213330][ T3020]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  382.213334][ T3020]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  382.213345][ T3020]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[  382.213354][ T3020]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  382.213359][ T3020]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[  382.213370][ T3020]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[  382.213374][ T3020]  ? 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)
[  382.213380][ T3020]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[  382.213387][ T3020]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[  382.213392][ T3020]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  382.213401][ T3020]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[  382.213408][ T3020]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  382.213413][ T3020]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[  382.213422][ T3020]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  382.213428][ T3020]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[  382.213436][ T3020]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[  382.213441][ T3020]  ? __copy_msghdr (net/socket.c:2556)
[  382.213452][ T3020]  ___sys_sendmsg (net/socket.c:2686)
[  382.213456][ T3020]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[  382.213460][ T3020]  ? __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)
[  382.213468][ T3020]  ? copy_msghdr_from_user (net/socket.c:2673)
[  382.213475][ T3020]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  382.213482][ T3020]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  382.213491][ T3020]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  382.213496][ T3020]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[  382.213503][ T3020]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  382.213513][ T3020]  __sys_sendmsg (net/socket.c:2716)
[  382.213517][ T3020]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[  382.213522][ T3020]  ? __sys_sendmsg_sock (net/socket.c:2701)
[  382.213534][ T3020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  382.213540][ T3020]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  382.213548][ T3020]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  382.213554][ T3020] RIP: 0033:0x7fa3dc8c21d7
[  382.213559][ T3020] 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)
[  382.213564][ T3020] RSP: 002b:00007ffc8b0b0808 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  382.213572][ T3020] RAX: ffffffffffffffda RBX: 00007ffc8b0b0f30 RCX: 00007fa3dc8c21d7
[  382.213576][ T3020] RDX: 0000000000000000 RSI: 00007ffc8b0b0870 RDI: 0000000000000005
[  382.213578][ T3020] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  382.213581][ T3020] R10: 00007fa3dc7bef60 R11: 0000000000000246 R12: 0000000000000004
[  382.213583][ T3020] R13: 00000000691cbd30 R14: 0000000000499600 R15: 0000000000000000
| [  382.243211][ T3020] #PF: error_code(0x0002) - not-present page
| [  382.243517][ T3020] PGD eed8067 P4D eed8067 PUD eebd067 PMD 0
| [  382.243844][ T3020] Oops: Oops: 0002 [#1] SMP KASAN
| [  382.244795][ T3020] Tainted: [B]=BAD_PAGE
[  382.244995][ T3020] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  382.245476][ T3020] 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)
[  382.245808][ T3020] 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 7f 7f 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 7f 7f 81 00       	call   0x817fa9
  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
[  382.246903][ T3020] RSP: 0018:ffffc90005e1edd0 EFLAGS: 00010046
[  382.247225][ T3020] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa764090a
[  382.247759][ T3020] RDX: fffffbfff570f2cd RSI: 0000000000000008 RDI: ffffffffab879660
[  382.248137][ T3020] RBP: ffffc90005e1ee38 R08: 0000000000000001 R09: fffffbfff570f2cc
[  382.248515][ T3020] R10: ffffffffab879667 R11: ffffc90005e1e8c0 R12: 0000000000000000
[  382.249110][ T3020] R13: 0000000000000282 R14: ffff888007b14000 R15: dffffc0000000000
[  382.249505][ T3020] FS:  00007fa3dc6f4800(0000) GS:ffff88808a9f2000(0000) knlGS:0000000000000000
[  382.249963][ T3020] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  382.250475][ T3020] CR2: 0000000000000000 CR3: 0000000008bbb006 CR4: 0000000000772ef0
[  382.250877][ T3020] PKRU: 55555554
[  382.251073][ T3020] Call Trace:
[  382.251440][ T3020]  <TASK>
[  382.251579][ T3020]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[  382.251845][ T3020]  ? enable_delayed_work (kernel/workqueue.c:4359)
[  382.252100][ T3020]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[  382.252345][ T3020]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  382.252766][ T3020]  __cancel_work_sync (kernel/workqueue.c:4383)
[  382.253018][ T3020]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[  382.253274][ T3020]  ? netdev_notify_peers (net/core/dev.c:1891)
[  382.253518][ T3020]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  382.253948][ T3020]  netif_close_many (net/core/dev.c:1959)
[  382.254203][ T3020]  ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[  382.254463][ T3020]  ? __dev_close_many (net/core/dev.c:1949)
[  382.254721][ T3020]  ? dev_getbyhwaddr_rcu (net/core/dev.c:10950)
[  382.255153][ T3020]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  382.255418][ T3020]  __dev_change_net_namespace (./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 net/core/dev.c:12746)
[  382.255750][ T3020]  ? default_device_exit_batch (net/core/dev.c:12662)
[  382.256249][ T3020]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  382.256512][ T3020]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  382.256781][ T3020]  ? rtnl_af_lookup (net/core/rtnetlink.c:2675)
[  382.257042][ T3020]  ? is_bpf_text_address (kernel/bpf/core.c:749)
[  382.257480][ T3020]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[  382.257745][ T3020]  do_setlink.constprop.0 (net/core/rtnetlink.c:3060)
[  382.258013][ T3020]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[  382.258279][ T3020]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  382.258711][ T3020]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  382.258978][ T3020]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  382.259246][ T3020]  ? __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)
[  382.259511][ T3020]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[  382.259940][ T3020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  382.260191][ T3020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  382.260450][ T3020]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[  382.260701][ T3020]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[  382.261113][ T3020]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  382.261361][ T3020]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[  382.261614][ T3020]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[  382.261865][ T3020]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[  382.262275][ T3020]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[  382.262523][ T3020]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[  382.262782][ T3020]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  382.263029][ T3020]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  382.263446][ T3020]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  382.263732][ T3020]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[  382.264010][ T3020]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  382.264281][ T3020]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  382.264702][ T3020]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[  382.264945][ T3020]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  382.265191][ T3020]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  382.265440][ T3020]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[  382.265849][ T3020]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  382.266107][ T3020]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[  382.266364][ T3020]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[  382.266612][ T3020]  ? 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)
[  382.267048][ T3020]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[  382.267308][ T3020]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[  382.267565][ T3020]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  382.267823][ T3020]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[  382.268252][ T3020]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  382.268520][ T3020]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[  382.268771][ T3020]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  382.269015][ T3020]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[  382.269425][ T3020]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[  382.269727][ T3020]  ? __copy_msghdr (net/socket.c:2556)
[  382.269974][ T3020]  ___sys_sendmsg (net/socket.c:2686)
[  382.270221][ T3020]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[  382.270635][ T3020]  ? __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)
[  382.270975][ T3020]  ? copy_msghdr_from_user (net/socket.c:2673)
[  382.271242][ T3020]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  382.271508][ T3020]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  382.271932][ T3020]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  382.272174][ T3020]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[  382.272420][ T3020]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  382.272668][ T3020]  __sys_sendmsg (net/socket.c:2716)
[  382.273077][ T3020]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[  382.273391][ T3020]  ? __sys_sendmsg_sock (net/socket.c:2701)
[  382.273643][ T3020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  382.273894][ T3020]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  382.274304][ T3020]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  382.274615][ T3020] RIP: 0033:0x7fa3dc8c21d7
[  382.274873][ T3020] 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)
[  382.275946][ T3020] RSP: 002b:00007ffc8b0b0808 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  382.276330][ T3020] RAX: ffffffffffffffda RBX: 00007ffc8b0b0f30 RCX: 00007fa3dc8c21d7
[  382.276702][ T3020] RDX: 0000000000000000 RSI: 00007ffc8b0b0870 RDI: 0000000000000005
[  382.277079][ T3020] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  382.277450][ T3020] R10: 00007fa3dc7bef60 R11: 0000000000000246 R12: 0000000000000004


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