======================================
| [  114.735789][  T579] ==================================================================
| [  114.736140][  T579] 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)
| [  114.736450][  T579] Write of size 8 at addr 0000000000000000 by task ip/579
| [  114.736687][  T579]
[  114.736801][  T579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  114.736804][  T579] Call Trace:
[  114.736808][  T579]  <TASK>
[  114.736810][  T579]  dump_stack_lvl (lib/dump_stack.c:123)
[  114.736821][  T579]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  114.736824][  T579]  kasan_report (mm/kasan/report.c:597)
[  114.736834][  T579]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  114.736839][  T579]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[  114.736843][  T579]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  114.736848][  T579]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[  114.736851][  T579]  ? enable_delayed_work (kernel/workqueue.c:4359)
[  114.736855][  T579]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[  114.736859][  T579]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  114.736866][  T579]  __cancel_work_sync (kernel/workqueue.c:4383)
[  114.736870][  T579]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[  114.736878][  T579]  ? netdev_notify_peers (net/core/dev.c:1891)
[  114.736883][  T579]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[  114.736889][  T579]  __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)
[  114.736892][  T579]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[  114.736899][  T579]  ? netif_set_allmulti (net/core/dev.c:9890)
[  114.736901][  T579]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  114.736908][  T579]  netif_change_flags (net/core/dev.c:9989)
[  114.736912][  T579]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[  114.736918][  T579]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[  114.736924][  T579]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  114.736931][  T579]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  114.736937][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  114.736942][  T579]  ? __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)
[  114.736946][  T579]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[  114.736949][  T579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  114.736954][  T579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  114.736957][  T579]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[  114.736961][  T579]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[  114.736966][  T579]  ? __create_object (mm/kmemleak.c:786)
[  114.736970][  T579]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  114.736973][  T579]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[  114.736976][  T579]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[  114.736980][  T579]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[  114.736985][  T579]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[  114.736990][  T579]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[  114.736995][  T579]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  114.736998][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  114.737004][  T579]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  114.737007][  T579]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[  114.737009][  T579]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  114.737014][  T579]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  114.737017][  T579]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[  114.737020][  T579]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  114.737023][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  114.737030][  T579]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[  114.737035][  T579]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  114.737038][  T579]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[  114.737045][  T579]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[  114.737048][  T579]  ? 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)
[  114.737052][  T579]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[  114.737056][  T579]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[  114.737060][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  114.737065][  T579]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[  114.737070][  T579]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  114.737073][  T579]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[  114.737079][  T579]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  114.737083][  T579]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[  114.737089][  T579]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[  114.737092][  T579]  ? __copy_msghdr (net/socket.c:2556)
[  114.737100][  T579]  ___sys_sendmsg (net/socket.c:2686)
[  114.737103][  T579]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[  114.737105][  T579]  ? __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)
[  114.737112][  T579]  ? copy_msghdr_from_user (net/socket.c:2673)
[  114.737117][  T579]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  114.737122][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  114.737127][  T579]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  114.737131][  T579]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[  114.737137][  T579]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  114.737144][  T579]  __sys_sendmsg (net/socket.c:2716)
[  114.737148][  T579]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[  114.737154][  T579]  ? __sys_sendmsg_sock (net/socket.c:2701)
[  114.737166][  T579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  114.737172][  T579]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  114.737178][  T579]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  114.737182][  T579] RIP: 0033:0x7f16c52b81d7
[  114.737189][  T579] 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)
[  114.737192][  T579] RSP: 002b:00007ffe4604dc38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.737196][  T579] RAX: ffffffffffffffda RBX: 00007ffe4604e360 RCX: 00007f16c52b81d7
[  114.737199][  T579] RDX: 0000000000000000 RSI: 00007ffe4604dca0 RDI: 0000000000000005
[  114.737201][  T579] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[  114.737202][  T579] R10: 00007f16c51b4f60 R11: 0000000000000246 R12: 0000000000000002
[  114.737204][  T579] R13: 00000000691cc0a9 R14: 0000000000499600 R15: 0000000000000000
| [  114.756846][  T579] #PF: error_code(0x0002) - not-present page
| [  114.757068][  T579] PGD 9ebf067 P4D 9ebf067 PUD a63b067 PMD 0
| [  114.757308][  T579] Oops: Oops: 0002 [#1] SMP KASAN
| [  114.757958][  T579] Tainted: [B]=BAD_PAGE
[  114.758093][  T579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  114.758325][  T579] 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)
[  114.758668][  T579] 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
[  114.759298][  T579] RSP: 0018:ffffc90001146f40 EFLAGS: 00010046
[  114.759637][  T579] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8624090a
[  114.759901][  T579] RDX: fffffbfff148f2cd RSI: 0000000000000008 RDI: ffffffff8a479660
[  114.760303][  T579] RBP: ffffc90001146fa8 R08: 0000000000000001 R09: fffffbfff148f2cc
[  114.760574][  T579] R10: ffffffff8a479667 R11: ffffc90001146a00 R12: 0000000000000000
[  114.760837][  T579] R13: 0000000000000282 R14: ffff8880095c1000 R15: dffffc0000000000
[  114.761237][  T579] FS:  00007f16c50ea800(0000) GS:ffff8880abf72000(0000) knlGS:0000000000000000
[  114.761554][  T579] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.761770][  T579] CR2: 0000000000000000 CR3: 000000000bb6c003 CR4: 0000000000772ef0
[  114.762154][  T579] PKRU: 55555554
[  114.762298][  T579] Call Trace:
[  114.762430][  T579]  <TASK>
[  114.762527][  T579]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[  114.762840][  T579]  ? enable_delayed_work (kernel/workqueue.c:4359)
[  114.763020][  T579]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[  114.763214][  T579]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  114.763390][  T579]  __cancel_work_sync (kernel/workqueue.c:4383)
[  114.763675][  T579]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[  114.763853][  T579]  ? netdev_notify_peers (net/core/dev.c:1891)
[  114.764029][  T579]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[  114.764215][  T579]  __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)
[  114.764496][  T579]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[  114.764681][  T579]  ? netif_set_allmulti (net/core/dev.c:9890)
[  114.764851][  T579]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  114.765027][  T579]  netif_change_flags (net/core/dev.c:9989)
[  114.765330][  T579]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[  114.765507][  T579]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[  114.765682][  T579]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  114.765861][  T579]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  114.766154][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  114.766338][  T579]  ? __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)
[  114.766512][  T579]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[  114.766684][  T579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  114.766961][  T579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  114.767131][  T579]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[  114.767314][  T579]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[  114.767492][  T579]  ? __create_object (mm/kmemleak.c:786)
[  114.767772][  T579]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  114.767943][  T579]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[  114.768121][  T579]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[  114.768300][  T579]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[  114.768578][  T579]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[  114.768754][  T579]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[  114.768927][  T579]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  114.769103][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  114.769392][  T579]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  114.769567][  T579]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[  114.769741][  T579]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  114.769912][  T579]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  114.770215][  T579]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[  114.770392][  T579]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  114.770570][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  114.770749][  T579]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[  114.770924][  T579]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  114.771108][  T579]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[  114.771301][  T579]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[  114.771472][  T579]  ? 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)
[  114.771761][  T579]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[  114.771959][  T579]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[  114.772142][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  114.772331][  T579]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[  114.772607][  T579]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  114.772783][  T579]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[  114.772961][  T579]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  114.773133][  T579]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[  114.773448][  T579]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[  114.773669][  T579]  ? __copy_msghdr (net/socket.c:2556)
[  114.773851][  T579]  ___sys_sendmsg (net/socket.c:2686)
[  114.774025][  T579]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[  114.774319][  T579]  ? __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)
[  114.774541][  T579]  ? copy_msghdr_from_user (net/socket.c:2673)
[  114.774713][  T579]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  114.774885][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  114.775175][  T579]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  114.775364][  T579]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[  114.775546][  T579]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  114.775723][  T579]  __sys_sendmsg (net/socket.c:2716)
[  114.776003][  T579]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[  114.776230][  T579]  ? __sys_sendmsg_sock (net/socket.c:2701)
[  114.776406][  T579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  114.776584][  T579]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  114.776874][  T579]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  114.777101][  T579] RIP: 0033:0x7f16c52b81d7
[  114.777304][  T579] 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)
[  114.778036][  T579] RSP: 002b:00007ffe4604dc38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.778419][  T579] RAX: ffffffffffffffda RBX: 00007ffe4604e360 RCX: 00007f16c52b81d7
[  114.778691][  T579] RDX: 0000000000000000 RSI: 00007ffe4604dca0 RDI: 0000000000000005
[  114.778949][  T579] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[  114.779337][  T579] R10: 00007f16c51b4f60 R11: 0000000000000246 R12: 0000000000000002


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