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(ffff800001447000) at bpfdetach+0x70 sys/net/bpf.c:1770 if_detach(ffff800001447000) at if_detach+0x1bb sys/net/if.c:1200 tun_clone_destroy(ffff800001447000) at tun_clone_destroy+0x2d6 sys/net/if_tun.c:340 if_clone_destroy(ffff80002a369490) at if_clone_destroy+0x1d7 sys/net/if.c:1389 ifioctl(ffff8000016466f0,80206979,ffff80002a369490,ffff800037ffdc58) at ifioctl+0x5c5 sys/net/if.c:-1 sys_ioctl(ffff800037ffdc58,ffff80002a369670,ffff80002a3695c0) at sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 syscall(ffff80002a369670) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a369670) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ec1b498dc0, count: -8 ddb{1}> show registers rdi 0xffff80002a7e6000 rsi 0x13c85 mp_pdirpa+0x2c7f rbp 0xffff80002a3692b0 rbx 0x80206979 __kernel_virt_to_phys+0x206979 rdx 0xffff80002a7e6000 rcx 0x13c84 mp_pdirpa+0x2c7e rax 0xffffffff810d18d9 bpfdetach+0xb9 r8 0 r9 0x1 r10 0x8c226debb547ee1f r11 0xf1779ffc8f612f2c r12 0xdeaf0002deafbead r13 0x800 r14 0xffff800001447000 r15 0xdeaf0002deafbead rip 0xffffffff810d1890 bpfdetach+0x70 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a369280 ss 0x10 bpfdetach+0x70: movq 0(%r15),%r12 ddb{1}> show proc PROC (syz-executor) tid=67658 pid=39925 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800037ffc548,0xffff800037fff230 process=0xffff80003ac149e0 user=0xffff80002a364000, vmspace=0xfffffd806e39b7b0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 92459 66420 13194 0 2 0 syz-executor 92459 88315 13194 0 2 0x4000000 syz-executor 5728 446819 49179 -1 2 0x10 syz-executor 5728 60201 49179 -1 3 0x4000090 fsleep syz-executor 5728 377100 49179 -1 3 0x4000090 fsleep syz-executor 5728 495193 49179 -1 3 0x4000090 fsleep syz-executor 93983 429115 50162 0 2 0 syz-executor 93983 85332 50162 0 3 0x4000080 fsleep syz-executor 93983 259833 50162 0 3 0x4000080 fsleep syz-executor 93983 413705 50162 0 2 0x4000000 syz-executor 39925 342668 41676 0 2 0 syz-executor *39925 67658 41676 0 7 0x4000000 syz-executor 6748 274187 11942 -1 3 0x90 nanoslp syz-executor 6748 466861 11942 -1 3 0x4000090 fsleep syz-executor 6748 378698 11942 -1 3 0x4000090 fsleep syz-executor 41676 19691 35753 0 3 0x82 nanoslp syz-executor 56476 392574 0 0 3 0x14200 acct acct 11942 364889 35753 0 3 0x82 nanoslp syz-executor 49179 150112 35753 0 3 0x82 nanoslp syz-executor 89660 464359 1 0 3 0x100083 ttyin getty 92975 499060 0 0 3 0x14200 bored sosplice 756 308524 35753 0 2 0x2 syz-executor 50162 19544 35753 0 3 0x82 nanoslp syz-executor 35114 367024 35753 0 3 0x82 nanoslp syz-executor 13194 378843 35753 0 3 0x82 nanoslp syz-executor 83434 126536 35753 0 7 0x2 syz-executor 35753 486770 87009 0 3 0x82 kqread syz-executor 87009 220993 7063 0 3 0x10008a sigsusp ksh 7063 111074 29479 0 3 0x98 kqread sshd-session 29479 407870 33712 0 3 0x92 kqread sshd-session 33712 369879 1 0 3 0x88 kqread sshd 21645 512449 81311 74 3 0x1100092 bpf pflogd 81311 95521 1 0 3 0x80 sbwait pflogd 92457 410961 30991 73 3 0x1100090 kqread syslogd 30991 159584 1 0 3 0x100082 sbwait syslogd 70382 136507 1 0 3 0x100080 kqread resolvd 41297 322786 37233 77 3 0x100092 kqread dhcpleased 5639 366919 37233 77 3 0x100092 kqread dhcpleased 37233 211046 1 0 3 0x80 kqread dhcpleased 47932 239020 0 0 3 0x14200 bored smr 54805 423286 0 0 2 0x14200 zerothread 80424 472481 0 0 3 0x14200 aiodoned aiodoned 93624 264989 0 0 3 0x14200 syncer update 27360 55225 0 0 3 0x14200 cleaner cleaner 6311 255305 0 0 2 0x14200 reaper 16839 493673 0 0 3 0x14200 pgdaemon pagedaemon 62915 331274 0 0 3 0x14200 bored viomb 7224 219950 0 0 3 0x40014200 acpi0 acpi0 59456 136199 0 0 3 0x40014200 idle1 36185 78415 0 0 3 0x14200 bored softnet7 20224 327789 0 0 3 0x14200 bored softnet6 14512 65874 0 0 3 0x14200 bored softnet5 29118 135712 0 0 3 0x14200 bored softnet4 37046 466451 0 0 3 0x14200 bored softnet3 49203 309530 0 0 3 0x14200 bored softnet2 31762 17326 0 0 3 0x14200 bored softnet1 58578 139186 0 0 3 0x14200 bored softnet0 57551 480097 0 0 3 0x14200 bored systqmp 44534 485213 0 0 3 0x14200 bored systq 24693 200582 0 0 3 0x14200 tmoslp softclockmp 65919 402012 0 0 3 0x40014200 tmoslp softclock 54839 259368 0 0 3 0x40014200 idle0 1 177326 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 39925 (syz-executor) thread 0xffff800037ffdc58 (67658) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838d50c0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 sleep_finish+0x2da sys/kern/kern_synch.c:366 #3 rw_do_enter_write+0x1d7 sys/kern/kern_rwlock.c:298 #4 lf_purgelocks+0x2f sys/kern/vfs_lockf.c:731 #5 vgonel+0x497 sys/kern/vfs_subr.c:1223 #6 vop_generic_revoke+0x3e6 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+0x140 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+0x2d6 sys/net/if_tun.c:340 #13 if_clone_destroy+0x1d7 sys/net/if.c:1389 #14 ifioctl+0x5c5 sys/net/if.c:-1 #15 sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 #16 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #16 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 #17 Xsyscall+0x128 exclusive rwlock clonelk r = 0 (0xffffffff8380a688) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x42b sys/kern/kern_rwlock.c:319 #2 if_clone_destroy+0x67 sys/net/if.c:-1 #3 ifioctl+0x5c5 sys/net/if.c:-1 #4 sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 #5 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 #6 Xsyscall+0x128 Process 83434 (syz-executor) thread 0xffff80002a2a82a8 (126536) exclusive rrwlock inode r = 0 (0xfffffd806f517d80) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd sys/kern/vfs_subr.c:693 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x21b sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #10 namei+0x7aa sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1864 #12 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 #13 Xsyscall+0x128 Process 6311 (reaper) thread 0xffff8000ffffc7b8 (255305) exclusive rwlock kmmaplk r = 0 (0xffffffff83979888) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x42b sys/kern/kern_rwlock.c:319 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvm_unmap+0x81 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+0x1cb sys/kern/kern_exit.c:493 #7 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10220 11177K 12570K 166960K 13537 0 pcb 18 14K 16K 166960K 281 0 rtable 195 8K 9K 166960K 473 0 pf 33 17K 18K 166960K 103 0 ifaddr 36 6K 8K 166960K 92 0 ifgroup 51 2K 2K 166960K 124 0 sysctl 4 1K 9K 166960K 11 0 counters 66 36K 37K 166960K 396 0 ioctlops 0 0K 4K 166960K 1815 0 iov 0 0K 24K 166960K 63 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1524 96K 97K 166960K 2932 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 28 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 171 0 dirhash 12 2K 2K 166960K 39 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 15 53K 240K 166960K 1133 0 sigio 0 0K 0K 166960K 12 0 proc 72 115K 164K 166960K 741 0 subproc 72 4K 4K 166960K 99 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 310 0 in_multi 77 5K 7K 166960K 171 0 ether_multi 1 0K 0K 166960K 4 0 mrt 0 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 121 546K 546K 166960K 121 0 exec 0 0K 1K 166960K 491 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 237 168K 185K 166960K 11861 0 UVM aobj 5 4K 4K 166960K 6 0 pinsyscall 40 80K 104K 166960K 2345 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 109 0 NDP 11 0K 2K 166960K 59 0 temp 64 8680K 8748K 166960K 50991 0 kqueue 16 24K 30K 166960K 225 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 plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 114 0 111 1 0 1 1 0 8 0 rtentry 176 151 0 75 5 0 5 5 0 8 0 unpcb 144 561 0 541 5 4 1 4 0 8 0 syncache 336 17 0 17 3 3 0 1 0 8 0 tcpcb 736 375 0 370 13 12 1 7 0 8 0 arp 128 14 0 6 1 0 1 1 0 8 0 inpcb 328 1280 0 1271 30 29 1 12 0 8 0 nd6 144 29 0 12 1 0 1 1 0 8 0 pkpcb 40 9 0 9 4 4 0 1 0 8 0 kcovpl 48 11 0 3 1 0 1 1 0 8 0 ppxss 1192 156 0 156 4 3 1 1 0 8 1 pppxif 1504 131 0 131 2 2 0 1 0 8 0 pfstscr 40 65 0 65 1 1 0 1 0 8 0 pffrag 232 69 0 66 1 0 1 1 0 482 0 pffrnode 88 3 0 1 1 0 1 1 0 8 0 pffrent 40 137 0 134 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 72 0 28 1 0 1 1 0 8 0 pfstkey 128 202 0 158 2 0 2 2 0 8 0 pfstate 384 137 0 93 5 0 5 5 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 765 0 394 34 10 24 29 0 8 0 art_table 40 767 0 394 5 0 5 5 0 8 0 art_node 32 150 0 83 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 3 1 0 1 1 0 8 0 semapl 112 166 0 156 1 0 1 1 0 8 0 shmpl 112 3 0 1 1 0 1 1 0 8 0 dirhash 1024 35 0 18 3 0 3 3 0 8 0 dino2pl 256 3576 0 2063 95 0 95 95 0 8 0 ffsino 296 3576 0 2063 117 0 117 117 0 8 0 nchpl 144 5067 0 3365 64 0 64 64 0 8 0 rtmask 32 4 0 4 2 2 0 1 0 8 0 uvmvnodes 80 4666 0 0 96 0 96 96 0 8 0 vnodes 216 4666 0 0 260 0 260 260 0 8 0 namei 1024 17619 0 17618 3 2 1 2 0 8 0 percpumem 16 213 0 165 1 0 1 1 0 8 0 kstatmem 264 76 0 52 3 1 2 3 0 8 0 scsiplug 72 5 0 5 4 4 0 1 0 8 0 scxspl 216 34865 0 34865 15 14 1 8 1 8 1 plimitpl 152 364 0 346 1 0 1 1 0 8 0 sigapl 424 1434 0 1380 7 0 7 7 0 8 0 knotepl 120 554 0 0 17 0 17 17 0 8 0 kqueuepl 224 368 0 355 2 1 1 2 0 8 0 pipepl 344 186 0 159 3 0 3 3 0 8 0 fdescpl 528 1408 0 1379 3 0 3 3 0 8 0 filepl 160 9146 0 8923 25 14 11 16 0 8 0 lockfpl 104 864 0 862 3 2 1 2 0 8 0 lockfspl 48 356 0 354 1 0 1 1 0 8 0 sessionpl 144 39 0 30 1 0 1 1 0 8 0 pgrppl 48 189 0 172 1 0 1 1 0 8 0 ucredpl 104 1775 0 1758 1 0 1 1 0 8 0 zombiepl 144 1402 0 1401 1 0 1 1 0 8 0 processpl 1248 1434 0 1380 5 0 5 5 0 8 0 procpl 656 3103 0 3039 8 1 7 7 0 8 0 sosppl 168 10 0 10 3 3 0 1 0 8 0 sockpl 752 1983 0 1951 35 31 4 16 0 8 0 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 124 0 0 16 0 16 16 0 8 0 mcl2k 2048 60 0 0 8 0 8 8 0 8 0 mtagpl 96 86 0 0 3 0 3 3 0 8 0 mbufpl 256 1231 0 0 77 0 77 77 0 8 0 bufpl 280 16858 0 10716 440 0 440 440 0 8 0 anonpl 32 13528 0 0 110 0 110 110 0 246 0 amapchunkpl 152 39183 0 38653 39 14 25 32 0 158 0 amappl16 200 5144 0 5077 43 28 15 29 0 8 0 amappl15 192 23 0 23 1 1 0 1 0 8 0 amappl14 184 143 0 131 1 0 1 1 0 8 0 amappl13 176 9 0 9 1 1 0 1 0 8 0 amappl12 168 2110 0 2081 3 1 2 2 0 8 0 amappl11 160 50 0 35 1 0 1 1 0 8 0 amappl10 152 9 0 9 1 1 0 1 0 8 0 amappl9 144 256 0 256 1 1 0 1 0 8 0 amappl8 136 21 0 18 1 0 1 1 0 8 0 amappl7 128 142 0 130 1 0 1 1 0 8 0 amappl6 120 221 0 217 1 0 1 1 0 8 0 amappl5 112 134 0 124 1 0 1 1 0 8 0 amappl4 104 349 0 329 1 0 1 1 0 8 0 amappl3 96 7788 0 7683 4 0 4 4 0 8 0 amappl2 88 783 0 721 2 0 2 2 0 8 0 amappl1 80 15453 0 14853 17 2 15 17 0 8 0 amappl 88 10895 0 10732 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 7 0 7 2 2 0 1 0 8 0 dma128 128 255 0 255 3 3 0 1 0 8 0 dma64 64 8 0 8 2 2 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 5 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1408 0 1379 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1408 0 1379 1 0 1 1 0 8 0 vmmpekpl 168 13441 0 13392 4 1 3 3 0 8 0 vmmpepl 168 97807 0 95860 117 11 106 113 0 357 0 vmsppl 488 1407 0 1378 5 0 5 5 0 8 0 rwobjpl 80 33610 0 27963 119 0 119 119 0 8 0 pdppl 4096 2823 0 2756 133 64 69 85 0 8 2 pvpl 32 25708 0 0 208 0 208 208 0 265 0 pmappl 256 1407 0 1378 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 397 0 94 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff838b9ff0) 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(ffffffff838d4eb8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838d4eb8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff838d4eb8,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2da sys/kern/kern_synch.c:366 rw_do_enter_write(ffffffff837f05b0,0) at rw_do_enter_write+0x1d7 sys/kern/kern_rwlock.c:298 lf_purgelocks(ffff80000147a8e0) at lf_purgelocks+0x2f sys/kern/vfs_lockf.c:731 vgonel(fffffd807bd0f718,ffff80002a2a82a8) at vgonel+0x497 sys/kern/vfs_subr.c:1223 vrecycle(fffffd807bd0f718,ffff80002a2a82a8) at vrecycle+0x7c sys/kern/vfs_subr.c:1143 ufs_inactive(ffff80002a313048) at ufs_inactive+0x360 sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd807bd0f718,ffff80002a2a82a8) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:498 vput(fffffd807bd0f718) at vput+0xe5 sys/kern/vfs_subr.c:796 VOP_REMOVE(fffffd807bd0f3b8,fffffd807bd0f718,ffff80002a3131c8) at VOP_REMOVE+0x19d sys/kern/vfs_vops.c:336 dounlinkat(ffff80002a2a82a8,ffffff9c,7aad6d2947b0,0) at dounlinkat+0x177 sys/kern/vfs_syscalls.c:1900 syscall(ffff80002a313340) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a313340) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7aad6d294c60, count: -17 ddb{0}> machine ddbcpu 1 Stopped at bpfdetach+0x70: movq 0(%r15),%r12 ddb{1}> trace bpfdetach(ffff800001447000) at bpfdetach+0x70 sys/net/bpf.c:1770 if_detach(ffff800001447000) at if_detach+0x1bb sys/net/if.c:1200 tun_clone_destroy(ffff800001447000) at tun_clone_destroy+0x2d6 sys/net/if_tun.c:340 if_clone_destroy(ffff80002a369490) at if_clone_destroy+0x1d7 sys/net/if.c:1389 ifioctl(ffff8000016466f0,80206979,ffff80002a369490,ffff800037ffdc58) at ifioctl+0x5c5 sys/net/if.c:-1 sys_ioctl(ffff800037ffdc58,ffff80002a369670,ffff80002a3695c0) at sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 syscall(ffff80002a369670) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a369670) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ec1b498dc0, count: -8