======================================
| [   18.607237][  T285] ==================================================================
| [   18.607675][  T285] 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)
| [   18.608109][  T285] Write of size 8 at addr 0000000000000000 by task ip/285
| [   18.608437][  T285]
[   18.608588][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.608590][  T285] Call Trace:
[   18.608593][  T285]  <TASK>
[   18.608596][  T285]  dump_stack_lvl (lib/dump_stack.c:123)
[   18.608607][  T285]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   18.608611][  T285]  kasan_report (mm/kasan/report.c:597)
[   18.608622][  T285]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   18.608631][  T285]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   18.608637][  T285]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   18.608644][  T285]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   18.608649][  T285]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   18.608657][  T285]  ? qdisc_destroy (net/sched/sch_generic.c:1355)
[   18.608669][  T285]  __cancel_work_sync (kernel/workqueue.c:4383)
[   18.608676][  T285]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   18.608684][  T285]  ? netdev_notify_peers (net/core/dev.c:1891)
[   18.608690][  T285]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   18.608699][  T285]  __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)
[   18.608706][  T285]  ? netif_set_allmulti (net/core/dev.c:9890)
[   18.608710][  T285]  ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 kernel/bpf/core.c:746)
[   18.608721][  T285]  netif_change_flags (net/core/dev.c:9989)
[   18.608726][  T285]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[   18.608733][  T285]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   18.608745][  T285]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   18.608755][  T285]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.608761][  T285]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   18.608770][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.608777][  T285]  ? __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)
[   18.608784][  T285]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   18.608789][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   18.608796][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   18.608800][  T285]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   18.608806][  T285]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   18.608818][  T285]  ? __create_object (mm/kmemleak.c:786)
[   18.608826][  T285]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   18.608830][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   18.608835][  T285]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   18.608842][  T285]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   18.608849][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   18.608859][  T285]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   18.608868][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   18.608873][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.608881][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.608887][  T285]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   18.608891][  T285]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   18.608896][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   18.608901][  T285]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   18.608908][  T285]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   18.608912][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.608923][  T285]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   18.608928][  T285]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   18.608934][  T285]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   18.608945][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   18.608949][  T285]  ? 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)
[   18.608955][  T285]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   18.608962][  T285]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   18.608967][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.608975][  T285]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   18.608982][  T285]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   18.608987][  T285]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   18.608995][  T285]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   18.609000][  T285]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   18.609006][  T285]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   18.609010][  T285]  ? __copy_msghdr (net/socket.c:2556)
[   18.609023][  T285]  ___sys_sendmsg (net/socket.c:2686)
[   18.609027][  T285]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   18.609032][  T285]  ? __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)
[   18.609039][  T285]  ? copy_msghdr_from_user (net/socket.c:2673)
[   18.609046][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.609053][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.609062][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.609067][  T285]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   18.609076][  T285]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   18.609086][  T285]  __sys_sendmsg (net/socket.c:2716)
[   18.609089][  T285]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   18.609094][  T285]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   18.609106][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   18.609112][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.609120][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   18.609127][  T285] RIP: 0033:0x7ff1ea9c61d7
[   18.609132][  T285] 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)
[   18.609136][  T285] RSP: 002b:00007ffc9eecf3b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.609142][  T285] RAX: ffffffffffffffda RBX: 00007ffc9eecfaf0 RCX: 00007ff1ea9c61d7
[   18.609145][  T285] RDX: 0000000000000000 RSI: 00007ffc9eecf420 RDI: 0000000000000005
[   18.609147][  T285] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   18.609150][  T285] R10: 00007ff1ea8c2510 R11: 0000000000000246 R12: 0000000000000003
[   18.609152][  T285] R13: 00000000691cc6de R14: 0000000000499600 R15: 0000000000000000
| [   18.635108][  T285] #PF: error_code(0x0002) - not-present page
| [   18.635431][  T285] PGD 243c067 P4D 243c067 PUD 4f6a067 PMD 0
| [   18.635773][  T285] Oops: Oops: 0002 [#1] SMP KASAN
| [   18.636555][  T285] Tainted: [B]=BAD_PAGE
[   18.636753][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.637077][  T285] 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)
[   18.637422][  T285] 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
[   18.638344][  T285] RSP: 0018:ffffc90000586f30 EFLAGS: 00010046
[   18.638672][  T285] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff99049b8a
[   18.639068][  T285] RDX: fffffbfff3bacacd RSI: 0000000000000008 RDI: ffffffff9dd65660
[   18.639465][  T285] RBP: ffffc90000586f98 R08: 0000000000000001 R09: fffffbfff3bacacc
[   18.639857][  T285] R10: ffffffff9dd65667 R11: ffffc90000586a00 R12: 0000000000000000
[   18.640249][  T285] R13: 0000000000000286 R14: ffff88800e969000 R15: dffffc0000000000
[   18.640648][  T285] FS:  00007ff1ea7f8800(0000) GS:ffff8880cf487000(0000) knlGS:0000000000000000
[   18.641108][  T285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.641437][  T285] CR2: 0000000000000000 CR3: 000000000ba1c002 CR4: 0000000000772ef0
[   18.641835][  T285] PKRU: 55555554
[   18.642033][  T285] Call Trace:
[   18.642233][  T285]  <TASK>
[   18.642378][  T285]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   18.642642][  T285]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   18.642906][  T285]  ? qdisc_destroy (net/sched/sch_generic.c:1355)
[   18.643166][  T285]  __cancel_work_sync (kernel/workqueue.c:4383)
[   18.643427][  T285]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   18.643684][  T285]  ? netdev_notify_peers (net/core/dev.c:1891)
[   18.643942][  T285]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   18.644202][  T285]  __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)
[   18.644468][  T285]  ? netif_set_allmulti (net/core/dev.c:9890)
[   18.644731][  T285]  ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 kernel/bpf/core.c:746)
[   18.644998][  T285]  netif_change_flags (net/core/dev.c:9989)
[   18.645257][  T285]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[   18.645520][  T285]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   18.645784][  T285]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   18.646049][  T285]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.646312][  T285]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   18.646573][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.646834][  T285]  ? __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)
[   18.647099][  T285]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   18.647359][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   18.647624][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   18.647882][  T285]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   18.648151][  T285]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   18.648411][  T285]  ? __create_object (mm/kmemleak.c:786)
[   18.648671][  T285]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   18.648929][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   18.649191][  T285]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   18.649452][  T285]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   18.649715][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   18.649978][  T285]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   18.650250][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   18.650510][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.650773][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.651032][  T285]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   18.651290][  T285]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   18.651548][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   18.651809][  T285]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   18.652067][  T285]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   18.652342][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.652603][  T285]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   18.652860][  T285]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   18.653118][  T285]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   18.653380][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   18.653636][  T285]  ? 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)
[   18.653892][  T285]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   18.654148][  T285]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   18.654410][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.654670][  T285]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   18.654926][  T285]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   18.655182][  T285]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   18.655439][  T285]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   18.655697][  T285]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   18.655955][  T285]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   18.656278][  T285]  ? __copy_msghdr (net/socket.c:2556)
[   18.656548][  T285]  ___sys_sendmsg (net/socket.c:2686)
[   18.656806][  T285]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   18.657064][  T285]  ? __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)
[   18.657385][  T285]  ? copy_msghdr_from_user (net/socket.c:2673)
[   18.657644][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.657905][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.658166][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.658435][  T285]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   18.658694][  T285]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   18.658958][  T285]  __sys_sendmsg (net/socket.c:2716)
[   18.659214][  T285]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   18.659538][  T285]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   18.659805][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   18.660067][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.660328][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   18.660655][  T285] RIP: 0033:0x7ff1ea9c61d7
[   18.660930][  T285] 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)
[   18.661855][  T285] RSP: 002b:00007ffc9eecf3b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.662258][  T285] RAX: ffffffffffffffda RBX: 00007ffc9eecfaf0 RCX: 00007ff1ea9c61d7
[   18.662660][  T285] RDX: 0000000000000000 RSI: 00007ffc9eecf420 RDI: 0000000000000005
[   18.663054][  T285] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   18.663440][  T285] R10: 00007ff1ea8c2510 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