======================================
| [   19.278462][  T308] ==================================================================
| [   19.278789][  T308] 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)
| [   19.279102][  T308] Write of size 8 at addr 0000000000000000 by task ip/308
| [   19.279364][  T308]
[   19.279473][  T308] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.279475][  T308] Call Trace:
[   19.279477][  T308]  <TASK>
[   19.279479][  T308]  dump_stack_lvl (lib/dump_stack.c:123)
[   19.279486][  T308]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   19.279489][  T308]  kasan_report (mm/kasan/report.c:597)
[   19.279495][  T308]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   19.279501][  T308]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   19.279505][  T308]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   19.279510][  T308]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   19.279514][  T308]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   19.279517][  T308]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.279524][  T308]  ? virtnet_close (drivers/net/virtio_net.c:3898)
[   19.279530][  T308]  __cancel_work_sync (kernel/workqueue.c:4383)
[   19.279534][  T308]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   19.279540][  T308]  ? netdev_notify_peers (net/core/dev.c:1891)
[   19.279546][  T308]  __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)
[   19.279549][  T308]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[   19.279554][  T308]  ? netif_set_allmulti (net/core/dev.c:9890)
[   19.279557][  T308]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   19.279562][  T308]  netif_change_flags (net/core/dev.c:9989)
[   19.279567][  T308]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   19.279572][  T308]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   19.279577][  T308]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.279580][  T308]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   19.279585][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.279589][  T308]  ? __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)
[   19.279594][  T308]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   19.279598][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   19.279602][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   19.279606][  T308]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   19.279609][  T308]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   19.279615][  T308]  ? __create_object (mm/kmemleak.c:786)
[   19.279619][  T308]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   19.279621][  T308]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   19.279625][  T308]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   19.279629][  T308]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   19.279634][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   19.279639][  T308]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   19.279644][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   19.279647][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.279652][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.279655][  T308]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   19.279657][  T308]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   19.279661][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   19.279664][  T308]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   19.279667][  T308]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   19.279670][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.279676][  T308]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   19.279680][  T308]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   19.279684][  T308]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   19.279690][  T308]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   19.279693][  T308]  ? 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)
[   19.279697][  T308]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   19.279701][  T308]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   19.279705][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.279710][  T308]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   19.279714][  T308]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   19.279718][  T308]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   19.279724][  T308]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   19.279727][  T308]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   19.279734][  T308]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   19.279737][  T308]  ? __copy_msghdr (net/socket.c:2556)
[   19.279744][  T308]  ___sys_sendmsg (net/socket.c:2686)
[   19.279747][  T308]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   19.279751][  T308]  ? __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)
[   19.279755][  T308]  ? copy_msghdr_from_user (net/socket.c:2673)
[   19.279760][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.279764][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.279769][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.279772][  T308]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   19.279775][  T308]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   19.279781][  T308]  __sys_sendmsg (net/socket.c:2716)
[   19.279784][  T308]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   19.279787][  T308]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   19.279795][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   19.279799][  T308]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.279803][  T308]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   19.279806][  T308] RIP: 0033:0x7fd76a1451d7
[   19.279811][  T308] 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)
[   19.279813][  T308] RSP: 002b:00007fff9287e778 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.279817][  T308] RAX: ffffffffffffffda RBX: 00007fff9287eea0 RCX: 00007fd76a1451d7
[   19.279819][  T308] RDX: 0000000000000000 RSI: 00007fff9287e7e0 RDI: 0000000000000005
[   19.279821][  T308] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   19.279823][  T308] R10: 00007fd76a041f60 R11: 0000000000000246 R12: 0000000000000003
[   19.279824][  T308] R13: 00000000691cb76e R14: 0000000000499600 R15: 0000000000000000
| [   19.299159][  T308] #PF: error_code(0x0002) - not-present page
| [   19.299389][  T308] PGD ea94067 P4D ea94067 PUD eeb9067 PMD 0
| [   19.299629][  T308] Oops: Oops: 0002 [#1] SMP KASAN
| [   19.300237][  T308] Tainted: [B]=BAD_PAGE
[   19.300383][  T308] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.300621][  T308] 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)
[   19.300867][  T308] 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
[   19.301560][  T308] RSP: 0018:ffffc90000666f40 EFLAGS: 00010046
[   19.301801][  T308] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8423e90a
[   19.302091][  T308] RDX: fffffbfff1088ecd RSI: 0000000000000008 RDI: ffffffff88447660
[   19.302385][  T308] RBP: ffffc90000666fa8 R08: 0000000000000001 R09: fffffbfff1088ecc
[   19.302672][  T308] R10: ffffffff88447667 R11: ffffc90000666a00 R12: 0000000000000000
[   19.302959][  T308] R13: 0000000000000282 R14: ffff88800a05a000 R15: dffffc0000000000
[   19.303264][  T308] FS:  00007fd769f77800(0000) GS:ffff8880a8324000(0000) knlGS:0000000000000000
[   19.303599][  T308] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.303837][  T308] CR2: 0000000000000000 CR3: 000000000eec4005 CR4: 0000000000772ef0
[   19.304150][  T308] PKRU: 55555554
[   19.304301][  T308] Call Trace:
[   19.304445][  T308]  <TASK>
[   19.304544][  T308]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   19.304735][  T308]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   19.304929][  T308]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.305137][  T308]  ? virtnet_close (drivers/net/virtio_net.c:3898)
[   19.305340][  T308]  __cancel_work_sync (kernel/workqueue.c:4383)
[   19.305532][  T308]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   19.305721][  T308]  ? netdev_notify_peers (net/core/dev.c:1891)
[   19.305913][  T308]  __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)
[   19.306112][  T308]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[   19.306318][  T308]  ? netif_set_allmulti (net/core/dev.c:9890)
[   19.306509][  T308]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   19.306700][  T308]  netif_change_flags (net/core/dev.c:9989)
[   19.306893][  T308]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   19.307090][  T308]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   19.307301][  T308]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.307494][  T308]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   19.307683][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.307872][  T308]  ? __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)
[   19.308068][  T308]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   19.308286][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   19.308477][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   19.308665][  T308]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   19.308857][  T308]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   19.309050][  T308]  ? __create_object (mm/kmemleak.c:786)
[   19.309264][  T308]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   19.309459][  T308]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   19.309647][  T308]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   19.309837][  T308]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   19.310034][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   19.310265][  T308]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   19.310459][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   19.310645][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.310833][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.311021][  T308]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   19.311233][  T308]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   19.311425][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   19.311611][  T308]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   19.311797][  T308]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   19.311989][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.312200][  T308]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   19.312398][  T308]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   19.312589][  T308]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   19.312777][  T308]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   19.312969][  T308]  ? 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)
[   19.313176][  T308]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   19.313372][  T308]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   19.313561][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.313748][  T308]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   19.313936][  T308]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   19.314141][  T308]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   19.314343][  T308]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   19.314532][  T308]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   19.314720][  T308]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   19.314954][  T308]  ? __copy_msghdr (net/socket.c:2556)
[   19.315160][  T308]  ___sys_sendmsg (net/socket.c:2686)
[   19.315357][  T308]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   19.315548][  T308]  ? __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)
[   19.315785][  T308]  ? copy_msghdr_from_user (net/socket.c:2673)
[   19.316091][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.316305][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.316497][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.316683][  T308]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   19.316973][  T308]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   19.317182][  T308]  __sys_sendmsg (net/socket.c:2716)
[   19.317373][  T308]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   19.317610][  T308]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   19.317927][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   19.318127][  T308]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.318330][  T308]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   19.318563][  T308] RIP: 0033:0x7fd76a1451d7
[   19.318867][  T308] 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)
[   19.319675][  T308] RSP: 002b:00007fff9287e778 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.319961][  T308] RAX: ffffffffffffffda RBX: 00007fff9287eea0 RCX: 00007fd76a1451d7
[   19.320285][  T308] RDX: 0000000000000000 RSI: 00007fff9287e7e0 RDI: 0000000000000005
[   19.320691][  T308] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   19.320976][  T308] R10: 00007fd76a041f60 R11: 0000000000000246 R12: 0000000000000003


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