======================================
| [ 1609.403383][T17212] ==================================================================
| [ 1609.403744][T17212] 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)
| [ 1609.404035][T17212] Write of size 8 at addr 0000000000000000 by task ip/17212
| [ 1609.404306][T17212]
[ 1609.404410][T17212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1609.404413][T17212] Call Trace:
[ 1609.404420][T17212]  <TASK>
[ 1609.404424][T17212]  dump_stack_lvl (lib/dump_stack.c:123)
[ 1609.404437][T17212]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[ 1609.404440][T17212]  kasan_report (mm/kasan/report.c:597)
[ 1609.404453][T17212]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[ 1609.404458][T17212]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[ 1609.404462][T17212]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[ 1609.404471][T17212]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[ 1609.404476][T17212]  ? enable_delayed_work (kernel/workqueue.c:4359)
[ 1609.404481][T17212]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[ 1609.404487][T17212]  __cancel_work_sync (kernel/workqueue.c:4383)
[ 1609.404491][T17212]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[ 1609.404504][T17212]  ? netdev_notify_peers (net/core/dev.c:1891)
[ 1609.404509][T17212]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[ 1609.404514][T17212]  __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)
[ 1609.404517][T17212]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[ 1609.404526][T17212]  ? netif_set_allmulti (net/core/dev.c:9890)
[ 1609.404531][T17212]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1609.404537][T17212]  netif_change_flags (net/core/dev.c:9989)
[ 1609.404541][T17212]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[ 1609.404548][T17212]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[ 1609.404554][T17212]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[ 1609.404561][T17212]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[ 1609.404566][T17212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1609.404571][T17212]  ? __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)
[ 1609.404576][T17212]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[ 1609.404579][T17212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 1609.404585][T17212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 1609.404588][T17212]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[ 1609.404592][T17212]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[ 1609.404601][T17212]  ? __create_object (mm/kmemleak.c:786)
[ 1609.404606][T17212]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1609.404610][T17212]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[ 1609.404613][T17212]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[ 1609.404616][T17212]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[ 1609.404625][T17212]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[ 1609.404630][T17212]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[ 1609.404635][T17212]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[ 1609.404638][T17212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1609.404644][T17212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1609.404648][T17212]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[ 1609.404650][T17212]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1609.404655][T17212]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[ 1609.404658][T17212]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[ 1609.404662][T17212]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[ 1609.404665][T17212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1609.404672][T17212]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[ 1609.404678][T17212]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[ 1609.404681][T17212]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[ 1609.404688][T17212]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[ 1609.404691][T17212]  ? 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)
[ 1609.404695][T17212]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[ 1609.404699][T17212]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[ 1609.404703][T17212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1609.404709][T17212]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[ 1609.404713][T17212]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[ 1609.404717][T17212]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[ 1609.404726][T17212]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[ 1609.404729][T17212]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[ 1609.404738][T17212]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[ 1609.404741][T17212]  ? __copy_msghdr (net/socket.c:2556)
[ 1609.404749][T17212]  ___sys_sendmsg (net/socket.c:2686)
[ 1609.404752][T17212]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[ 1609.404755][T17212]  ? __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)
[ 1609.404761][T17212]  ? copy_msghdr_from_user (net/socket.c:2673)
[ 1609.404766][T17212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1609.404771][T17212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1609.404777][T17212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1609.404780][T17212]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[ 1609.404786][T17212]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1609.404792][T17212]  __sys_sendmsg (net/socket.c:2716)
[ 1609.404795][T17212]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[ 1609.404799][T17212]  ? __sys_sendmsg_sock (net/socket.c:2701)
[ 1609.404807][T17212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 1609.404811][T17212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 1609.404818][T17212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 1609.404822][T17212] RIP: 0033:0x7f30f69481d7
[ 1609.404827][T17212] 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)
[ 1609.404830][T17212] RSP: 002b:00007ffd7c08bd48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1609.404839][T17212] RAX: ffffffffffffffda RBX: 00007ffd7c08c470 RCX: 00007f30f69481d7
[ 1609.404841][T17212] RDX: 0000000000000000 RSI: 00007ffd7c08bdb0 RDI: 0000000000000005
[ 1609.404843][T17212] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 1609.404845][T17212] R10: 00007f30f6844f60 R11: 0000000000000246 R12: 0000000000000003
[ 1609.404846][T17212] R13: 00000000691cd994 R14: 0000000000499600 R15: 0000000000000000
| [ 1609.423766][T17212] #PF: error_code(0x0002) - not-present page
| [ 1609.423979][T17212] PGD 17655067 P4D 17655067 PUD 8dde067 PMD 0
| [ 1609.424199][T17212] Oops: Oops: 0002 [#1] SMP KASAN
| [ 1609.424857][T17212] Tainted: [B]=BAD_PAGE
[ 1609.424989][T17212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1609.425211][T17212] 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)
[ 1609.425569][T17212] 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
[ 1609.426302][T17212] RSP: 0018:ffffc9000cae6f40 EFLAGS: 00010046
[ 1609.426535][T17212] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8b84090a
[ 1609.426802][T17212] RDX: fffffbfff1f4f2cd RSI: 0000000000000008 RDI: ffffffff8fa79660
[ 1609.427169][T17212] RBP: ffffc9000cae6fa8 R08: 0000000000000001 R09: fffffbfff1f4f2cc
[ 1609.427440][T17212] R10: ffffffff8fa79667 R11: ffffc9000cae6a00 R12: 0000000000000000
[ 1609.427705][T17212] R13: 0000000000000282 R14: ffff888011541000 R15: dffffc0000000000
[ 1609.428073][T17212] FS:  00007f30f677a800(0000) GS:ffff8880a67f2000(0000) knlGS:0000000000000000
[ 1609.428376][T17212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1609.428719][T17212] CR2: 0000000000000000 CR3: 0000000016e84002 CR4: 0000000000772ef0
[ 1609.428986][T17212] PKRU: 55555554
[ 1609.429116][T17212] Call Trace:
[ 1609.429247][T17212]  <TASK>
[ 1609.429347][T17212]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[ 1609.429532][T17212]  ? enable_delayed_work (kernel/workqueue.c:4359)
[ 1609.429711][T17212]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[ 1609.429886][T17212]  __cancel_work_sync (kernel/workqueue.c:4383)
[ 1609.430059][T17212]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[ 1609.430346][T17212]  ? netdev_notify_peers (net/core/dev.c:1891)
[ 1609.430528][T17212]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[ 1609.430700][T17212]  __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)
[ 1609.430879][T17212]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[ 1609.431162][T17212]  ? netif_set_allmulti (net/core/dev.c:9890)
[ 1609.431333][T17212]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1609.431526][T17212]  netif_change_flags (net/core/dev.c:9989)
[ 1609.431702][T17212]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[ 1609.431982][T17212]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[ 1609.432156][T17212]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[ 1609.432333][T17212]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[ 1609.432523][T17212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1609.432807][T17212]  ? __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)
[ 1609.432977][T17212]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[ 1609.433154][T17212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 1609.433331][T17212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 1609.433520][T17212]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[ 1609.433704][T17212]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[ 1609.433881][T17212]  ? __create_object (mm/kmemleak.c:786)
[ 1609.434059][T17212]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1609.434335][T17212]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[ 1609.434524][T17212]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[ 1609.434701][T17212]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[ 1609.434877][T17212]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[ 1609.435155][T17212]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[ 1609.435331][T17212]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[ 1609.435520][T17212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1609.435697][T17212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1609.435973][T17212]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[ 1609.436150][T17212]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1609.436327][T17212]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[ 1609.436516][T17212]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[ 1609.436795][T17212]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[ 1609.436965][T17212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1609.437142][T17212]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[ 1609.437314][T17212]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[ 1609.437501][T17212]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[ 1609.437675][T17212]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[ 1609.437854][T17212]  ? 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)
[ 1609.438027][T17212]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[ 1609.438308][T17212]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[ 1609.438493][T17212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1609.438668][T17212]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[ 1609.438841][T17212]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[ 1609.439116][T17212]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[ 1609.439296][T17212]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[ 1609.439483][T17212]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[ 1609.439660][T17212]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[ 1609.439978][T17212]  ? __copy_msghdr (net/socket.c:2556)
[ 1609.440154][T17212]  ___sys_sendmsg (net/socket.c:2686)
[ 1609.440328][T17212]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[ 1609.440623][T17212]  ? __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)
[ 1609.440846][T17212]  ? copy_msghdr_from_user (net/socket.c:2673)
[ 1609.441022][T17212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1609.441193][T17212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1609.441489][T17212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1609.441659][T17212]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[ 1609.441837][T17212]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1609.442009][T17212]  __sys_sendmsg (net/socket.c:2716)
[ 1609.442285][T17212]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[ 1609.442522][T17212]  ? __sys_sendmsg_sock (net/socket.c:2701)
[ 1609.442700][T17212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 1609.442878][T17212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 1609.443163][T17212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 1609.443382][T17212] RIP: 0033:0x7f30f69481d7
[ 1609.443576][T17212] 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)
[ 1609.444333][T17212] RSP: 002b:00007ffd7c08bd48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1609.444614][T17212] RAX: ffffffffffffffda RBX: 00007ffd7c08c470 RCX: 00007f30f69481d7
[ 1609.444983][T17212] RDX: 0000000000000000 RSI: 00007ffd7c08bdb0 RDI: 0000000000000005
[ 1609.445253][T17212] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 1609.445635][T17212] R10: 00007f30f6844f60 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