======================================
| [   25.945187][  T344] ==================================================================
| [   25.945544][  T344] 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)
| [   25.946047][  T344] Write of size 8 at addr 0000000000000000 by task ip/344
| [   25.946469][  T344]
[   25.946645][  T344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.946648][  T344] Call Trace:
[   25.946651][  T344]  <TASK>
[   25.946653][  T344]  dump_stack_lvl (lib/dump_stack.c:123)
[   25.946672][  T344]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   25.946677][  T344]  kasan_report (mm/kasan/report.c:597)
[   25.946687][  T344]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   25.946697][  T344]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   25.946704][  T344]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   25.946712][  T344]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   25.946718][  T344]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   25.946725][  T344]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   25.946731][  T344]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.946746][  T344]  __cancel_work_sync (kernel/workqueue.c:4383)
[   25.946753][  T344]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   25.946761][  T344]  ? netdev_notify_peers (net/core/dev.c:1891)
[   25.946769][  T344]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   25.946777][  T344]  __dev_change_flags (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1945 net/core/dev.c:9924)
[   25.946785][  T344]  ? netif_set_allmulti (net/core/dev.c:9890)
[   25.946793][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.946802][  T344]  netif_change_flags (net/core/dev.c:9989)
[   25.946810][  T344]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   25.946816][  T344]  cycle_netdev (drivers/net/vrf.c:1052)
[   25.946825][  T344]  vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102)
[   25.946828][  T344]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964)
[   25.946832][  T344]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[   25.946836][  T344]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   25.946842][  T344]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   25.946848][  T344]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.946852][  T344]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   25.946857][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.946861][  T344]  ? __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)
[   25.946866][  T344]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   25.946869][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   25.946874][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   25.946877][  T344]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   25.946881][  T344]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   25.946887][  T344]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   25.946890][  T344]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   25.946893][  T344]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   25.946898][  T344]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   25.946904][  T344]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   25.946910][  T344]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   25.946915][  T344]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   25.946919][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.946924][  T344]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.946928][  T344]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   25.946931][  T344]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   25.946935][  T344]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   25.946938][  T344]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   25.946942][  T344]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   25.946946][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.946954][  T344]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   25.946958][  T344]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   25.946962][  T344]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   25.946969][  T344]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   25.946971][  T344]  ? 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)
[   25.946975][  T344]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   25.946979][  T344]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   25.946982][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.946987][  T344]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   25.946991][  T344]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   25.946994][  T344]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   25.946999][  T344]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   25.947002][  T344]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   25.947006][  T344]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   25.947009][  T344]  ? __copy_msghdr (net/socket.c:2556)
[   25.947018][  T344]  ___sys_sendmsg (net/socket.c:2686)
[   25.947020][  T344]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   25.947024][  T344]  ? __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)
[   25.947028][  T344]  ? copy_msghdr_from_user (net/socket.c:2673)
[   25.947033][  T344]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.947038][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.947042][  T344]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.947046][  T344]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   25.947051][  T344]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   25.947057][  T344]  __sys_sendmsg (net/socket.c:2716)
[   25.947059][  T344]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   25.947062][  T344]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   25.947069][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   25.947073][  T344]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.947079][  T344]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   25.947083][  T344] RIP: 0033:0x7ff39a5ae1d7
[   25.947087][  T344] 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)
[   25.947090][  T344] RSP: 002b:00007ffe726118a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.947097][  T344] RAX: ffffffffffffffda RBX: 00007ffe72611fe0 RCX: 00007ff39a5ae1d7
[   25.947099][  T344] RDX: 0000000000000000 RSI: 00007ffe72611910 RDI: 0000000000000005
[   25.947101][  T344] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   25.947102][  T344] R10: 000000001aa5e910 R11: 0000000000000246 R12: 0000000000000003
[   25.947104][  T344] R13: 00000000691cd3ce R14: 0000000000499600 R15: 0000000000000000
| [   25.969772][  T344] #PF: error_code(0x0002) - not-present page
| [   25.970145][  T344] PGD ac7f067 P4D ac7f067 PUD c15d067 PMD 0
| [   25.970384][  T344] Oops: Oops: 0002 [#1] SMP KASAN
| [   25.971134][  T344] Tainted: [B]=BAD_PAGE
[   25.971276][  T344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.971521][  T344] 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)
[   25.971886][  T344] 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
[   25.972574][  T344] RSP: 0018:ffffc900006e6e60 EFLAGS: 00010046
[   25.972937][  T344] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff91a49b8a
[   25.973223][  T344] RDX: fffffbfff2cecacd RSI: 0000000000000008 RDI: ffffffff96765660
[   25.973629][  T344] RBP: ffffc900006e6ec8 R08: 0000000000000001 R09: fffffbfff2cecacc
[   25.973949][  T344] R10: ffffffff96765667 R11: ffffc900006e6940 R12: 0000000000000000
[   25.974249][  T344] R13: 0000000000000286 R14: ffff88800ec39000 R15: dffffc0000000000
[   25.974673][  T344] FS:  00007ff39a3e0800(0000) GS:ffff8880d0587000(0000) knlGS:0000000000000000
[   25.975033][  T344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.975272][  T344] CR2: 0000000000000000 CR3: 0000000004c8e005 CR4: 0000000000772ef0
[   25.975589][  T344] PKRU: 55555554
[   25.975732][  T344] Call Trace:
[   25.975893][  T344]  <TASK>
[   25.975996][  T344]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   25.976300][  T344]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   25.976500][  T344]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   25.976699][  T344]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.976900][  T344]  __cancel_work_sync (kernel/workqueue.c:4383)
[   25.977207][  T344]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   25.977397][  T344]  ? netdev_notify_peers (net/core/dev.c:1891)
[   25.977611][  T344]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   25.977798][  T344]  __dev_change_flags (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1945 net/core/dev.c:9924)
[   25.978105][  T344]  ? netif_set_allmulti (net/core/dev.c:9890)
[   25.978296][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.978520][  T344]  netif_change_flags (net/core/dev.c:9989)
[   25.978711][  T344]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   25.979024][  T344]  cycle_netdev (drivers/net/vrf.c:1052)
[   25.979177][  T344]  vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102)
[   25.979361][  T344]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964)
[   25.979554][  T344]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[   25.979753][  T344]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   25.980065][  T344]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   25.980250][  T344]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.980435][  T344]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   25.980629][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.980924][  T344]  ? __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)
[   25.981115][  T344]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   25.981305][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   25.981509][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   25.981814][  T344]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   25.982003][  T344]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   25.982189][  T344]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   25.982385][  T344]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   25.982711][  T344]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   25.982909][  T344]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   25.983108][  T344]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   25.983292][  T344]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   25.983473][  T344]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   25.983710][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.983905][  T344]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.984155][  T344]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   25.984464][  T344]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   25.984668][  T344]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   25.984867][  T344]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   25.985071][  T344]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   25.985377][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.985581][  T344]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   25.985779][  T344]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   25.985986][  T344]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   25.986292][  T344]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   25.986489][  T344]  ? 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)
[   25.986723][  T344]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   25.986905][  T344]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   25.987205][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.987390][  T344]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   25.987600][  T344]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   25.987798][  T344]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   25.988116][  T344]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   25.988317][  T344]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   25.988520][  T344]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   25.988868][  T344]  ? __copy_msghdr (net/socket.c:2556)
[   25.989070][  T344]  ___sys_sendmsg (net/socket.c:2686)
[   25.989250][  T344]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   25.989435][  T344]  ? __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)
[   25.989827][  T344]  ? copy_msghdr_from_user (net/socket.c:2673)
[   25.990040][  T344]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.990239][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.990439][  T344]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.990762][  T344]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   25.990970][  T344]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   25.991168][  T344]  __sys_sendmsg (net/socket.c:2716)
[   25.991363][  T344]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   25.991727][  T344]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   25.991942][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   25.992141][  T344]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.992341][  T344]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   25.992707][  T344] RIP: 0033:0x7ff39a5ae1d7
[   25.992911][  T344] 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)
[   25.993641][  T344] RSP: 002b:00007ffe726118a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.993945][  T344] RAX: ffffffffffffffda RBX: 00007ffe72611fe0 RCX: 00007ff39a5ae1d7
[   25.994360][  T344] RDX: 0000000000000000 RSI: 00007ffe72611910 RDI: 0000000000000005
[   25.994665][  T344] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   25.994976][  T344] R10: 000000001aa5e910 R11: 0000000000000246 R12: 0000000000000003


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