kernel: protection fault trap, code=0 Stopped at bpfdetach+0x70: movq 0(%r15),%r12 ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace bpfdetach(ffff80000147a800) at bpfdetach+0x70 sys/net/bpf.c:1770 if_detach(ffff80000147a800) at if_detach+0x1bb sys/net/if.c:1200 tun_clone_destroy(ffff80000147a800) at tun_clone_destroy+0x2ce sys/net/if_tun.c:340 if_clone_destroy(ffff80002effb560) at if_clone_destroy+0x1d5 sys/net/if.c:1389 ifioctl(ffff8000014befb0,80206979,ffff80002effb560,ffff80003c440fb8) at ifioctl+0x59d sys/net/if.c:2066 sys_ioctl(ffff80003c440fb8,ffff80002effb740,ffff80002effb690) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80002effb740) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002effb740) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5855c88520, count: -8 ddb{1}> show registers rdi 0xffff80002f402000 rsi 0x1d382 acpi_pdirpa+0x91f3 rbp 0xffff80002effb380 rbx 0x80206979 __kernel_virt_to_phys+0x206979 rdx 0xffff80002f402000 rcx 0x1d381 acpi_pdirpa+0x91f2 rax 0xffffffff822068c9 bpfdetach+0xb9 r8 0xffffffffffffffff r9 0x1 r10 0x91b808f8e26c849b r11 0xec4ffb1967825e50 r12 0xdead0002deadbeef r13 0xffff80000147ae00 r14 0xffff80000147a800 r15 0xdead0002deadbeef rip 0xffffffff82206880 bpfdetach+0x70 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002effb350 ss 0x10 bpfdetach+0x70: movq 0(%r15),%r12 ddb{1}> show proc PROC (syz-executor) tid=178345 pid=84704 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800034c08550,0xffff80003c440568 process=0xffff8000394261d0 user=0xffff80002eff6000, vmspace=0xfffffd806b4f3b98 estcpu=33, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 93086 432532 35513 0 2 0 syz-executor 93086 250825 35513 0 3 0x4000080 fsleep syz-executor 51569 440552 85542 0 2 0 syz-executor 51569 74483 85542 0 3 0x4000080 sbwait syz-executor 8598 27300 83235 0 2 0 syz-executor 8598 329249 83235 0 3 0x4000080 kqread syz-executor 8598 172156 83235 0 2 0x4000000 syz-executor 79813 398637 33362 0 3 0x80 nanoslp syz-executor 79813 474328 33362 0 3 0x4000080 netcon syz-executor 79813 316396 33362 0 3 0x4000080 fsleep syz-executor 84704 349353 72291 0 3 0x80 nanoslp syz-executor *84704 178345 72291 0 7 0x4000000 syz-executor 84704 504626 72291 0 3 0x4000080 fsleep syz-executor 64292 510191 41721 0 3 0x80 nanoslp syz-executor 64292 35632 41721 0 3 0x4000080 kqsel syz-executor 64292 438969 41721 0 3 0x4000080 fsleep syz-executor 64292 423555 41721 0 3 0x4000080 fsleep syz-executor 72291 458623 99694 0 3 0x82 nanoslp syz-executor 86076 235517 0 0 3 0x14280 nfsidl nfsio 21379 131145 0 0 3 0x14280 nfsidl nfsio 70037 497895 0 0 3 0x14280 nfsidl nfsio 64838 200841 0 0 3 0x14280 nfsidl nfsio 69339 114276 0 0 3 0x14280 nfsidl nfsio 31664 374182 0 0 3 0x14280 nfsidl nfsio 56199 470375 0 0 3 0x14280 nfsidl nfsio 2142 438358 0 0 3 0x14280 nfsidl nfsio 53631 410463 0 0 3 0x14280 nfsidl nfsio 26307 178227 0 0 3 0x14280 nfsidl nfsio 8653 279547 0 0 3 0x14280 nfsidl nfsio 35206 209337 0 0 3 0x14280 nfsidl nfsio 21361 33783 0 0 3 0x14280 nfsidl nfsio 97927 456912 0 0 3 0x14280 nfsidl nfsio 97871 391472 0 0 3 0x14280 nfsidl nfsio 49466 39869 0 0 3 0x14280 nfsidl nfsio 85445 245983 0 0 3 0x14280 nfsidl nfsio 20511 191311 0 0 3 0x14280 nfsidl nfsio 61222 44720 0 0 3 0x14280 nfsidl nfsio 54763 146236 0 0 3 0x14280 nfsidl nfsio 59238 214439 1 0 3 0x80 nanoslp init 16043 444133 0 0 3 0x14200 bored sosplice 33362 18627 99694 0 3 0x82 nanoslp syz-executor 35513 94763 99694 0 3 0x82 nanoslp syz-executor 85542 45591 99694 0 3 0x82 nanoslp syz-executor 52383 470784 99694 0 3 0x82 nanoslp syz-executor 41721 324549 99694 0 3 0x82 nanoslp syz-executor 22575 172857 99694 0 3 0x82 nanoslp syz-executor 83235 414872 99694 0 3 0x82 nanoslp syz-executor 99694 418199 30846 0 3 0x82 kqread syz-executor 30846 388115 70570 0 3 0x10008a sigsusp ksh 70570 393563 72607 0 3 0x98 kqread sshd-session 72607 410184 49419 0 3 0x92 kqread sshd-session 49419 367824 1 0 3 0x88 kqread sshd 82410 160663 61999 74 3 0x1100092 bpf pflogd 61999 32384 1 0 3 0x80 sbwait pflogd 37877 29783 59575 73 2 0x1100010 syslogd 59575 234010 1 0 3 0x100082 sbwait syslogd 74167 473965 1 0 3 0x100080 kqread resolvd 82009 207106 18762 77 3 0x100092 kqread dhcpleased 54845 136220 18762 77 3 0x100092 kqread dhcpleased 18762 289459 1 0 3 0x80 kqread dhcpleased 76031 261259 0 0 3 0x14200 bored smr 10270 198777 0 0 2 0x14200 zerothread 10364 517965 0 0 3 0x14200 aiodoned aiodoned 93615 134167 0 0 3 0x14200 syncer update 68341 314175 0 0 3 0x14200 cleaner cleaner 19260 328751 0 0 2 0x14200 reaper 30190 283154 0 0 3 0x14200 pgdaemon pagedaemon 25957 454519 0 0 3 0x14200 bored viomb 80829 23100 0 0 3 0x40014200 acpi0 acpi0 18591 241149 0 0 3 0x40014200 idle1 84074 411413 0 0 3 0x14200 bored softnet7 64744 46268 0 0 3 0x14200 bored softnet6 94415 447858 0 0 3 0x14200 bored softnet5 38220 281974 0 0 3 0x14200 bored softnet4 20774 486934 0 0 3 0x14200 bored softnet3 41345 192182 0 0 3 0x14200 bored softnet2 19042 313214 0 0 3 0x14200 bored softnet1 31407 113464 0 0 2 0x14200 softnet0 17388 122616 0 0 3 0x14200 bored systqmp 60013 330880 0 0 3 0x14200 syncxs systq 69916 274217 0 0 3 0x14200 tmoslp softclockmp 31510 114890 0 0 3 0x40014200 tmoslp softclock 88744 34240 0 0 3 0x40014200 idle0 1 426325 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 8598 (syz-executor) thread 0xffff80003c495cc8 (172156) exclusive rwlock fdlock r = 0 (0xffff800039422070) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 doopenat+0x18e sys/kern/vfs_syscalls.c:1105 #3 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #4 Xsyscall+0x128 Process 84704 (syz-executor) thread 0xffff80003c440fb8 (178345) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83990aa0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 sleep_finish+0x2d8 sys/kern/kern_synch.c:367 #3 rw_do_enter_write+0x1dc sys/kern/kern_rwlock.c:298 #4 lf_purgelocks+0x2f sys/kern/vfs_lockf.c:731 #5 vgonel+0x47e sys/kern/vfs_subr.c:1223 #6 vop_generic_revoke+0x3ea sys/kern/vfs_default.c:124 #7 VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 #8 vdevgone+0x17b sys/kern/vfs_subr.c:-1 #9 bpfsdetach+0x155 sys/net/bpf.c:1794 #10 bpfdetach+0xa6 sys/net/bpf.c:-1 #11 if_detach+0x1bb sys/net/if.c:1200 #12 tun_clone_destroy+0x2ce sys/net/if_tun.c:340 #13 if_clone_destroy+0x1d5 sys/net/if.c:1389 #14 ifioctl+0x59d sys/net/if.c:2066 #15 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #16 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #16 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #17 Xsyscall+0x128 exclusive rwlock clonelk r = 0 (0xffffffff83838a68) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 if_clone_destroy+0x67 sys/net/if.c:-1 #3 ifioctl+0x59d sys/net/if.c:2066 #4 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #6 Xsyscall+0x128 Process 19260 (reaper) thread 0xffff8000ffffcd00 (328751) exclusive rwlock kmmaplk r = 0 (0xffffffff839cb120) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvm_unmap+0x7d sys/uvm/uvm_map.c:1792 #4 km_free+0x87 sys/uvm/uvm_km.c:831 #5 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:304 #6 reaper+0x1aa sys/kern/kern_exit.c:493 #7 proc_trampoline+0x10 Process 31407 (softnet0) thread 0xffff8000ffffea60 (113464) shared rwlock softnet0 r = 0 (0xffff80000002c078) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 Process 60013 (systq) thread 0xffff8000fffff228 (330880) shared rwlock systq r = 0 (0xffffffff8382a178) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10244 11095K 11290K 166960K 12026 0 pcb 19 12K 12K 166960K 116 0 rtable 193 8K 9K 166960K 344 0 pf 38 18K 18K 166960K 93 0 ifaddr 42 7K 8K 166960K 76 0 ifgroup 59 2K 2K 166960K 106 0 sysctl 3 1K 9K 166960K 12 0 counters 70 37K 37K 166960K 132 0 ioctlops 0 0K 4K 166960K 1567 0 iov 0 0K 28K 166960K 32 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1402 88K 89K 166960K 1939 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 5K 9K 166960K 6 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 29 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 89K 166960K 687 0 sigio 0 0K 0K 166960K 15 0 proc 63 99K 180K 166960K 614 0 subproc 72 4K 4K 166960K 83 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 94 0 in_multi 94 6K 7K 166960K 126 0 ether_multi 1 0K 0K 166960K 4 0 mrt 1 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 455 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 232 155K 171K 166960K 8107 0 UVM aobj 11 2K 2K 166960K 18 0 pinsyscall 40 80K 101K 166960K 1840 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 29 0 NDP 13 0K 2K 166960K 52 0 temp 63 8648K 8731K 166960K 22442 0 kqueue 14 22K 38K 166960K 148 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle vscsiccb 40 1 0 0 1 0 1 1 0 8 0 plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 74 0 71 1 0 1 1 0 8 0 rtentry 176 115 0 35 5 0 5 5 0 8 0 unpcb 144 702 0 681 12 6 6 7 0 8 5 syncache 336 5 0 5 2 2 0 1 0 8 0 tcpcb 736 270 0 264 7 6 1 7 0 8 0 arp 128 12 0 3 1 0 1 1 0 8 0 inpcb 328 699 0 684 13 6 7 7 0 8 4 nd6 144 23 0 3 1 0 1 1 0 8 0 pkpcb 40 7 0 7 2 1 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 mppekey 1024 5 0 5 1 1 0 1 0 8 0 ppxss 1192 29 0 29 2 1 1 1 0 8 1 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 6 0 0 1 0 1 1 0 482 0 pffrnode 88 5 0 0 1 0 1 1 0 8 0 pffrent 40 6 0 0 1 0 1 1 0 8 0 pfosfp 40 1429 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1429 0 714 21 0 21 21 0 8 0 pfstitem 24 75 0 26 1 0 1 1 0 8 0 pfstkey 128 91 0 36 2 0 2 2 0 8 0 pfstate 384 83 0 35 6 1 5 6 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 521 0 79 29 0 29 29 0 8 1 art_table 40 523 0 79 5 0 5 5 0 8 0 art_node 32 114 0 43 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 8 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 26 0 16 1 0 1 1 0 8 0 shmpl 112 15 0 7 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2699 0 1189 96 0 96 96 0 8 0 ffsino 296 2699 0 1189 117 0 117 117 0 8 0 nchpl 144 3638 0 1933 64 0 64 64 0 8 0 rtmask 32 2 0 2 1 1 0 1 0 8 0 uvmvnodes 80 3069 0 0 63 0 63 63 0 8 0 vnodes 216 3069 0 0 171 0 171 171 0 8 0 namei 1024 12558 0 12558 2 1 1 2 0 8 1 percpumem 16 81 0 31 1 0 1 1 0 8 0 kstatmem 264 72 0 42 4 1 3 3 0 8 1 scsiplug 72 3 0 3 3 2 1 1 0 8 1 scxspl 216 12144 0 12143 9 8 1 8 1 8 0 plimitpl 152 135 0 119 1 0 1 1 0 8 0 sigapl 424 1022 0 947 9 0 9 9 0 8 0 knotepl 120 338 0 0 11 0 11 11 0 8 0 kqueuepl 224 297 0 285 6 3 3 3 0 8 2 pipepl 344 151 0 124 3 0 3 3 0 8 0 fdescpl 528 979 0 949 3 0 3 3 0 8 0 filepl 160 6012 0 5785 23 7 16 17 0 8 4 lockfpl 104 404 0 402 2 1 1 2 0 8 0 lockfspl 48 185 0 183 1 0 1 1 0 8 0 sessionpl 144 27 0 19 1 0 1 1 0 8 0 pgrppl 48 102 0 86 1 0 1 1 0 8 0 ucredpl 104 1083 0 1068 1 0 1 1 0 8 0 zombiepl 144 1111 0 1109 1 0 1 1 0 8 0 processpl 1232 1022 0 947 6 0 6 6 0 8 0 procpl 664 1995 0 1908 9 1 8 8 0 8 0 sosppl 168 8 0 6 3 2 1 1 0 8 0 sockpl 752 1496 0 1457 34 23 11 20 0 8 6 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 8 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 6 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 111 0 0 14 0 14 14 0 8 0 mcl2k 2048 35 0 0 4 0 4 4 0 8 0 mtagpl 96 6 0 0 1 0 1 1 0 8 0 mbufpl 256 166 0 0 10 0 10 10 0 8 0 bufpl 280 4151 0 125 288 0 288 288 0 8 0 anonpl 32 8555 0 0 69 0 69 69 0 246 0 amapchunkpl 152 25763 0 25285 33 10 23 27 0 158 2 amappl16 200 3155 0 3124 25 19 6 15 0 8 3 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 121 0 109 1 0 1 1 0 8 0 amappl13 176 36 0 36 1 1 0 1 0 8 0 amappl12 168 1652 0 1623 4 2 2 3 0 8 0 amappl11 160 54 0 40 1 0 1 1 0 8 0 amappl10 152 11 0 10 2 1 1 1 0 8 0 amappl9 144 257 0 257 1 1 0 1 0 8 0 amappl8 136 51 0 48 1 0 1 1 0 8 0 amappl7 128 115 0 104 1 0 1 1 0 8 0 amappl6 120 204 0 200 1 0 1 1 0 8 0 amappl5 112 139 0 128 1 0 1 1 0 8 0 amappl4 104 313 0 296 1 0 1 1 0 8 0 amappl3 96 5043 0 4937 6 2 4 4 0 8 0 amappl2 88 678 0 617 2 0 2 2 0 8 0 amappl1 80 11221 0 10650 15 1 14 15 0 8 0 amappl 88 7303 0 7140 5 0 5 5 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 254 0 254 2 1 1 1 0 8 1 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 17 0 7 1 0 1 1 0 8 0 uaddrrnd 24 979 0 949 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 979 0 949 1 0 1 1 0 8 0 vmmpekpl 168 9610 0 9565 3 0 3 3 0 8 0 vmmpepl 168 67681 0 65796 102 11 91 101 0 357 2 vmsppl 488 978 0 947 7 2 5 5 0 8 1 rwobjpl 80 23309 0 19343 86 4 82 82 0 8 0 pdppl 4096 1966 0 1894 118 44 74 84 0 8 2 pvpl 32 15511 0 0 127 1 126 127 0 265 0 pmappl 256 978 0 947 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 297 0 56 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff8378aff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff83990898) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83990898) at __mp_lock+0x192 sys/kern/kern_lock.c:165 exit1(ffff80003c495268,b,0,1) at exit1+0x701 sys/kern/kern_exit.c:260 sys_exit(ffff80003c495268,ffff800034c0f3d0,ffff800034c0f320) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800034c0f3d0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800034c0f3d0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x780c1bc67150, count: -8 ddb{0}> machine ddbcpu 1 Stopped at bpfdetach+0x70: movq 0(%r15),%r12 ddb{1}> trace bpfdetach(ffff80000147a800) at bpfdetach+0x70 sys/net/bpf.c:1770 if_detach(ffff80000147a800) at if_detach+0x1bb sys/net/if.c:1200 tun_clone_destroy(ffff80000147a800) at tun_clone_destroy+0x2ce sys/net/if_tun.c:340 if_clone_destroy(ffff80002effb560) at if_clone_destroy+0x1d5 sys/net/if.c:1389 ifioctl(ffff8000014befb0,80206979,ffff80002effb560,ffff80003c440fb8) at ifioctl+0x59d sys/net/if.c:2066 sys_ioctl(ffff80003c440fb8,ffff80002effb740,ffff80002effb690) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80002effb740) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002effb740) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5855c88520, count: -8