======================================
| [   18.084404][  T268] ==================================================================
| [   18.084944][  T268] 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)
| [   18.085437][  T268] Write of size 8 at addr 0000000000000000 by task ip/268
| [   18.085832][  T268]
[   18.086015][  T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.086018][  T268] Call Trace:
[   18.086030][  T268]  <TASK>
[   18.086036][  T268]  dump_stack_lvl (lib/dump_stack.c:123)
[   18.086061][  T268]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   18.086068][  T268]  kasan_report (mm/kasan/report.c:597)
[   18.086084][  T268]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   18.086093][  T268]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   18.086102][  T268]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   18.086111][  T268]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   18.086116][  T268]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   18.086124][  T268]  ? qdisc_destroy (net/sched/sch_generic.c:1355)
[   18.086137][  T268]  __cancel_work_sync (kernel/workqueue.c:4383)
[   18.086145][  T268]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   18.086157][  T268]  ? netdev_notify_peers (net/core/dev.c:1891)
[   18.086161][  T268]  ? unregister_vlan_dev (net/8021q/vlan.c:393)
[   18.086173][  T268]  ? packet_setsockopt (net/bridge/br.c:29)
[   18.086189][  T268]  netif_close_many (net/core/dev.c:1959)
[   18.086195][  T268]  ? notifier_call_chain (kernel/notifier.c:87 (discriminator 2))
[   18.086201][  T268]  ? __dev_close_many (net/core/dev.c:1949)
[   18.086207][  T268]  ? netdev_compute_master_upper_features (net/core/dev.c:12946)
[   18.086216][  T268]  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)
[   18.086221][  T268]  ? netif_close_many (net/core/dev.c:1969)
[   18.086227][  T268]  ? lockdep_rtnl_is_held (net/core/rtnetlink.c:182)
[   18.086235][  T268]  dev_close (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:221)
[   18.086241][  T268] __bond_release_one (drivers/net/bonding/bond_main.c:2500) bonding
[   18.086283][  T268]  ? bond_enslave (drivers/net/bonding/bond_main.c:2351) bonding
[   18.086317][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.086332][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.086345][  T268]  ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 kernel/bpf/core.c:746)
[   18.086359][  T268]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2948)
[   18.086365][  T268]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[   18.086371][  T268]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   18.086380][  T268]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   18.086390][  T268]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.086402][  T268]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   18.086409][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.086415][  T268]  ? __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)
[   18.086422][  T268]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   18.086427][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   18.086436][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   18.086441][  T268]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   18.086447][  T268]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   18.086469][  T268]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   18.086474][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   18.086480][  T268]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   18.086487][  T268]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   18.086501][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   18.086511][  T268]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   18.086520][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   18.086526][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.086534][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.086540][  T268]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   18.086546][  T268]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   18.086552][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   18.086557][  T268]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   18.086564][  T268]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   18.086570][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.086580][  T268]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   18.086587][  T268]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   18.086594][  T268]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   18.086605][  T268]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   18.086610][  T268]  ? 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)
[   18.086616][  T268]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   18.086623][  T268]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   18.086629][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.086637][  T268]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   18.086644][  T268]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   18.086649][  T268]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   18.086660][  T268]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   18.086665][  T268]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   18.086672][  T268]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   18.086677][  T268]  ? __copy_msghdr (net/socket.c:2556)
[   18.086690][  T268]  ___sys_sendmsg (net/socket.c:2686)
[   18.086694][  T268]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   18.086705][  T268]  ? __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)
[   18.086715][  T268]  ? copy_msghdr_from_user (net/socket.c:2673)
[   18.086723][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.086730][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.086739][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.086745][  T268]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   18.086757][  T268]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   18.086766][  T268]  __sys_sendmsg (net/socket.c:2716)
[   18.086770][  T268]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   18.086775][  T268]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   18.086787][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   18.086793][  T268]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.086806][  T268]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   18.086813][  T268] RIP: 0033:0x7ff1de3611d7
[   18.086827][  T268] 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)
[   18.086834][  T268] RSP: 002b:00007fffc24bb928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.086847][  T268] RAX: ffffffffffffffda RBX: 00007fffc24bc050 RCX: 00007ff1de3611d7
[   18.086854][  T268] RDX: 0000000000000000 RSI: 00007fffc24bb990 RDI: 0000000000000005
[   18.086857][  T268] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   18.086859][  T268] R10: 00007ff1de25df60 R11: 0000000000000246 R12: 0000000000000002
[   18.086862][  T268] R13: 00000000691cd739 R14: 0000000000499600 R15: 0000000000000000
| [   18.117653][  T268] #PF: error_code(0x0002) - not-present page
| [   18.117889][  T268] PGD affb067 P4D affb067 PUD df93067 PMD 0
| [   18.118130][  T268] Oops: Oops: 0002 [#1] SMP KASAN
| [   18.118691][  T268] Tainted: [B]=BAD_PAGE
[   18.118843][  T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.119085][  T268] 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)
[   18.119335][  T268] 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 1f 93 82 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 1f 93 82 00       	call   0x829349
  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
[   18.120015][  T268] RSP: 0018:ffffc90000526c80 EFLAGS: 00010046
[   18.120263][  T268] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb6449b8a
[   18.120539][  T268] RDX: fffffbfff762cacd RSI: 0000000000000008 RDI: ffffffffbb165660
[   18.120816][  T268] RBP: ffffc90000526ce8 R08: 0000000000000001 R09: fffffbfff762cacc
[   18.121106][  T268] R10: ffffffffbb165667 R11: ffffc90000526740 R12: 0000000000000000
[   18.121392][  T268] R13: 0000000000000282 R14: ffff88800db09000 R15: dffffc0000000000
[   18.121680][  T268] FS:  00007ff1de193800(0000) GS:ffff8880b1f07000(0000) knlGS:0000000000000000
[   18.122000][  T268] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.122248][  T268] CR2: 0000000000000000 CR3: 000000000dd9b002 CR4: 0000000000772ef0
[   18.122652][  T268] PKRU: 55555554
[   18.122799][  T268] Call Trace:
[   18.122947][  T268]  <TASK>
[   18.123045][  T268]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   18.123245][  T268]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   18.123545][  T268]  ? qdisc_destroy (net/sched/sch_generic.c:1355)
[   18.123735][  T268]  __cancel_work_sync (kernel/workqueue.c:4383)
[   18.123925][  T268]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   18.124120][  T268]  ? netdev_notify_peers (net/core/dev.c:1891)
[   18.124417][  T268]  ? unregister_vlan_dev (net/8021q/vlan.c:393)
[   18.124625][  T268]  ? packet_setsockopt (net/bridge/br.c:29)
[   18.124817][  T268]  netif_close_many (net/core/dev.c:1959)
[   18.124997][  T268]  ? notifier_call_chain (kernel/notifier.c:87 (discriminator 2))
[   18.125300][  T268]  ? __dev_close_many (net/core/dev.c:1949)
[   18.125485][  T268]  ? netdev_compute_master_upper_features (net/core/dev.c:12946)
[   18.125719][  T268]  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)
[   18.125906][  T268]  ? netif_close_many (net/core/dev.c:1969)
[   18.126213][  T268]  ? lockdep_rtnl_is_held (net/core/rtnetlink.c:182)
[   18.126402][  T268]  dev_close (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:221)
[   18.126540][  T268] __bond_release_one (drivers/net/bonding/bond_main.c:2500) bonding
[   18.126797][  T268]  ? bond_enslave (drivers/net/bonding/bond_main.c:2351) bonding
[   18.127121][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.127317][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.127502][  T268]  ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 kernel/bpf/core.c:746)
[   18.127696][  T268]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2948)
[   18.127998][  T268]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[   18.128196][  T268]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   18.128384][  T268]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   18.128566][  T268]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.128863][  T268]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   18.129044][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.129248][  T268]  ? __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)
[   18.129430][  T268]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   18.129722][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   18.129909][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   18.130094][  T268]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   18.130288][  T268]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   18.130587][  T268]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   18.130776][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   18.130970][  T268]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   18.131165][  T268]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   18.131464][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   18.131647][  T268]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   18.131851][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   18.132035][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.132345][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.132573][  T268]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   18.132763][  T268]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   18.132944][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   18.133245][  T268]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   18.133432][  T268]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   18.133608][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.133809][  T268]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   18.134104][  T268]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   18.134301][  T268]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   18.134487][  T268]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   18.134688][  T268]  ? 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)
[   18.134999][  T268]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   18.135189][  T268]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   18.135371][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.135577][  T268]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   18.135886][  T268]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   18.136078][  T268]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   18.136271][  T268]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   18.136455][  T268]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   18.136638][  T268]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   18.136874][  T268]  ? __copy_msghdr (net/socket.c:2556)
[   18.137065][  T268]  ___sys_sendmsg (net/socket.c:2686)
[   18.137259][  T268]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   18.137566][  T268]  ? __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)
[   18.137805][  T268]  ? copy_msghdr_from_user (net/socket.c:2673)
[   18.137991][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.138294][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.138503][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.138692][  T268]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   18.138888][  T268]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   18.139194][  T268]  __sys_sendmsg (net/socket.c:2716)
[   18.139388][  T268]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   18.139619][  T268]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   18.139828][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   18.140153][  T268]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.140351][  T268]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   18.140585][  T268] RIP: 0033:0x7ff1de3611d7
[   18.140794][  T268] 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)
[   18.141602][  T268] RSP: 002b:00007fffc24bb928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.142007][  T268] RAX: ffffffffffffffda RBX: 00007fffc24bc050 RCX: 00007ff1de3611d7
[   18.142298][  T268] RDX: 0000000000000000 RSI: 00007fffc24bb990 RDI: 0000000000000005
[   18.142586][  T268] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   18.142998][  T268] R10: 00007ff1de25df60 R11: 0000000000000246 R12: 0000000000000002


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