======================================
| [   49.785951][  T585] ==================================================================
| [   49.786310][  T585] 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)
| [   49.786640][  T585] Write of size 8 at addr 0000000000000000 by task ip/585
| [   49.786874][  T585]
[   49.786999][  T585] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.787004][  T585] Call Trace:
[   49.787007][  T585]  <TASK>
[   49.787009][  T585]  dump_stack_lvl (lib/dump_stack.c:123)
[   49.787020][  T585]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   49.787024][  T585]  kasan_report (mm/kasan/report.c:597)
[   49.787031][  T585]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   49.787036][  T585]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   49.787039][  T585]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   49.787045][  T585]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   49.787048][  T585]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   49.787052][  T585]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   49.787056][  T585]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.787063][  T585]  __cancel_work_sync (kernel/workqueue.c:4383)
[   49.787067][  T585]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   49.787074][  T585]  ? netdev_notify_peers (net/core/dev.c:1891)
[   49.787078][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.787086][  T585]  netif_close_many (net/core/dev.c:1959)
[   49.787090][  T585]  ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[   49.787097][  T585]  ? __dev_close_many (net/core/dev.c:1949)
[   49.787101][  T585]  ? dev_getbyhwaddr_rcu (net/core/dev.c:10950)
[   49.787104][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.787110][  T585]  __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)
[   49.787117][  T585]  ? default_device_exit_batch (net/core/dev.c:12662)
[   49.787120][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.787127][  T585]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   49.787133][  T585]  ? rtnl_af_lookup (net/core/rtnetlink.c:2675)
[   49.787140][  T585]  ? is_bpf_text_address (kernel/bpf/core.c:749)
[   49.787148][  T585]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[   49.787156][  T585]  do_setlink.constprop.0 (net/core/rtnetlink.c:3060)
[   49.787161][  T585]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   49.787167][  T585]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.787174][  T585]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   49.787179][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.787184][  T585]  ? __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)
[   49.787189][  T585]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   49.787192][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   49.787197][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   49.787200][  T585]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   49.787203][  T585]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   49.787207][  T585]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   49.787211][  T585]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   49.787214][  T585]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   49.787217][  T585]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   49.787223][  T585]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   49.787228][  T585]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   49.787233][  T585]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   49.787236][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.787242][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.787245][  T585]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   49.787248][  T585]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   49.787252][  T585]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   49.787255][  T585]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   49.787259][  T585]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   49.787262][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.787269][  T585]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   49.787275][  T585]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   49.787279][  T585]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   49.787285][  T585]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   49.787288][  T585]  ? 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)
[   49.787292][  T585]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   49.787297][  T585]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   49.787300][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.787306][  T585]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   49.787312][  T585]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   49.787318][  T585]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   49.787329][  T585]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   49.787333][  T585]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   49.787339][  T585]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   49.787342][  T585]  ? __copy_msghdr (net/socket.c:2556)
[   49.787350][  T585]  ___sys_sendmsg (net/socket.c:2686)
[   49.787353][  T585]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   49.787356][  T585]  ? __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)
[   49.787362][  T585]  ? copy_msghdr_from_user (net/socket.c:2673)
[   49.787367][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.787372][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.787378][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.787381][  T585]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   49.787388][  T585]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   49.787394][  T585]  __sys_sendmsg (net/socket.c:2716)
[   49.787398][  T585]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   49.787402][  T585]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   49.787410][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   49.787414][  T585]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.787420][  T585]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   49.787424][  T585] RIP: 0033:0x7fa6eb3371d7
[   49.787429][  T585] 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)
[   49.787432][  T585] RSP: 002b:00007ffd9dc9e408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   49.787436][  T585] RAX: ffffffffffffffda RBX: 00007ffd9dc9eb30 RCX: 00007fa6eb3371d7
[   49.787439][  T585] RDX: 0000000000000000 RSI: 00007ffd9dc9e470 RDI: 0000000000000005
[   49.787440][  T585] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   49.787442][  T585] R10: 00007fa6eb233f60 R11: 0000000000000246 R12: 0000000000000004
[   49.787444][  T585] R13: 00000000691cc784 R14: 0000000000499600 R15: 0000000000000000
| [   49.809362][  T585] #PF: error_code(0x0002) - not-present page
| [   49.809577][  T585] PGD 5082067 P4D 5082067 PUD ccdb067 PMD 0
| [   49.809916][  T585] Oops: Oops: 0002 [#1] SMP KASAN
| [   49.810525][  T585] Tainted: [B]=BAD_PAGE
[   49.810668][  T585] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.811024][  T585] 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)
[   49.811274][  T585] 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
[   49.812034][  T585] RSP: 0018:ffffc9000123edd0 EFLAGS: 00010046
[   49.812272][  T585] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9944090a
[   49.812663][  T585] RDX: fffffbfff3acf2cd RSI: 0000000000000008 RDI: ffffffff9d679660
[   49.812947][  T585] RBP: ffffc9000123ee38 R08: 0000000000000001 R09: fffffbfff3acf2cc
[   49.813227][  T585] R10: ffffffff9d679667 R11: ffffc9000123e8c0 R12: 0000000000000000
[   49.813625][  T585] R13: 0000000000000282 R14: ffff88800e4fc000 R15: dffffc0000000000
[   49.813895][  T585] FS:  00007fa6eb169800(0000) GS:ffff888098cf2000(0000) knlGS:0000000000000000
[   49.814349][  T585] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.814586][  T585] CR2: 0000000000000000 CR3: 000000000b826005 CR4: 0000000000772ef0
[   49.814861][  T585] PKRU: 55555554
[   49.815020][  T585] Call Trace:
[   49.815170][  T585]  <TASK>
[   49.815288][  T585]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   49.815501][  T585]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   49.815698][  T585]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   49.816005][  T585]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.816198][  T585]  __cancel_work_sync (kernel/workqueue.c:4383)
[   49.816381][  T585]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   49.816580][  T585]  ? netdev_notify_peers (net/core/dev.c:1891)
[   49.816872][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.817062][  T585]  netif_close_many (net/core/dev.c:1959)
[   49.817248][  T585]  ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[   49.817428][  T585]  ? __dev_close_many (net/core/dev.c:1949)
[   49.817729][  T585]  ? dev_getbyhwaddr_rcu (net/core/dev.c:10950)
[   49.817918][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.818111][  T585]  __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)
[   49.818358][  T585]  ? default_device_exit_batch (net/core/dev.c:12662)
[   49.818680][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.818863][  T585]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   49.819064][  T585]  ? rtnl_af_lookup (net/core/rtnetlink.c:2675)
[   49.819243][  T585]  ? is_bpf_text_address (kernel/bpf/core.c:749)
[   49.819529][  T585]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[   49.819708][  T585]  do_setlink.constprop.0 (net/core/rtnetlink.c:3060)
[   49.819902][  T585]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   49.820097][  T585]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.820397][  T585]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   49.820570][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.820745][  T585]  ? __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)
[   49.820945][  T585]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   49.821244][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   49.821435][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   49.821614][  T585]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   49.821783][  T585]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   49.822096][  T585]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   49.822276][  T585]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   49.822461][  T585]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   49.822640][  T585]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   49.822946][  T585]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   49.823140][  T585]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   49.823326][  T585]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   49.823502][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.823782][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.823981][  T585]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   49.824168][  T585]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   49.824347][  T585]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   49.824659][  T585]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   49.824836][  T585]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   49.825028][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.825215][  T585]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   49.825541][  T585]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   49.825712][  T585]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   49.825901][  T585]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   49.826104][  T585]  ? 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)
[   49.826408][  T585]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   49.826577][  T585]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   49.826747][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.826943][  T585]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   49.827263][  T585]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   49.827442][  T585]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   49.827615][  T585]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   49.827780][  T585]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   49.828097][  T585]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   49.828327][  T585]  ? __copy_msghdr (net/socket.c:2556)
[   49.828501][  T585]  ___sys_sendmsg (net/socket.c:2686)
[   49.828669][  T585]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   49.828975][  T585]  ? __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)
[   49.829205][  T585]  ? copy_msghdr_from_user (net/socket.c:2673)
[   49.829405][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.829683][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.829866][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.830067][  T585]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   49.830250][  T585]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   49.830534][  T585]  __sys_sendmsg (net/socket.c:2716)
[   49.830705][  T585]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   49.830945][  T585]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   49.831138][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   49.831436][  T585]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.831615][  T585]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   49.831843][  T585] RIP: 0033:0x7fa6eb3371d7
[   49.832053][  T585] 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)
[   49.832803][  T585] RSP: 002b:00007ffd9dc9e408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   49.833243][  T585] RAX: ffffffffffffffda RBX: 00007ffd9dc9eb30 RCX: 00007fa6eb3371d7
[   49.833510][  T585] RDX: 0000000000000000 RSI: 00007ffd9dc9e470 RDI: 0000000000000005
[   49.833769][  T585] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   49.834185][  T585] R10: 00007fa6eb233f60 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