panic: unhandled af 22 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 237489 93368 74 0x100012 0x480 0 pflogd * 19921 28982 0 0x14000 0x200 1K softnet db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82206e34) at panic+0x15c sys/kern/subr_prf.c:207 unhandled_af(16) at unhandled_af+0x16 pf_build_tcp(ffffffff826abc20,16,fffffd8065fa7cc8,fffffd8065fa7cb8,0,0) at pf_build_tcp+0x3c8 pf_remove_state(fffffd8068498910) at pf_remove_state+0x9a pf_send_tcp sys/net/pf.c:2892 [inline] pf_remove_state(fffffd8068498910) at pf_remove_state+0x9a sys/net/pf.c:1382 pf_purge_expired_states(3) at pf_purge_expired_states+0x1ed pf_purge(ffffffff826a71a0) at pf_purge+0x3f sys/net/pf.c:1278 taskq_thread(ffff80000002b080) at taskq_thread+0x9c sys/kern/kern_task.c:369 end trace frame: 0x0, count: 7 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic unhandled af 22 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82206e34) at panic+0x15c sys/kern/subr_prf.c:207 unhandled_af(16) at unhandled_af+0x16 pf_build_tcp(ffffffff826abc20,16,fffffd8065fa7cc8,fffffd8065fa7cb8,0,0) at pf_build_tcp+0x3c8 pf_remove_state(fffffd8068498910) at pf_remove_state+0x9a pf_send_tcp sys/net/pf.c:2892 [inline] pf_remove_state(fffffd8068498910) at pf_remove_state+0x9a sys/net/pf.c:1382 pf_purge_expired_states(3) at pf_purge_expired_states+0x1ed pf_purge(ffffffff826a71a0) at pf_purge+0x3f sys/net/pf.c:1278 taskq_thread(ffff80000002b080) at taskq_thread+0x9c sys/kern/kern_task.c:369 end trace frame: 0x0, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800020e39b20 rbx 0xffff800020e39bd0 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff8200f94f kprintf+0x16f r9 0x1 r10 0x2 r11 0xf26b618aefa37e19 r12 0x3000000008 r13 0xffff800020e39b30 r14 0x100 r15 0x1 rip 0xffffffff816bcad8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020e39b10 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (softnet) pid=19921 stat=onproc flags process=14000 proc=200 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020e18000,0xffff800020e18760 process=0xffff800020e1ab88 user=0xffff800020e34000, vmspace=0xffffffff82649c68 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 8922 354767 24814 0 2 0x480 syz-executor.1 8922 254802 24814 0 3 0x4000080 rest syz-executor.1 8922 128753 24814 0 3 0x4000080 fsleep syz-executor.1 55071 131287 78401 0 3 0x82 piperd syz-executor.0 71075 21874 0 0 3 0x14280 nfsidl nfsio 57189 189919 0 0 3 0x14280 nfsidl nfsio 39987 391566 0 0 3 0x14280 nfsidl nfsio 69055 154199 0 0 3 0x14280 nfsidl nfsio 40309 6814 0 0 3 0x14280 nfsidl nfsio 79609 521491 0 0 3 0x14280 nfsidl nfsio 25676 8059 0 0 3 0x14280 nfsidl nfsio 78504 29324 0 0 3 0x14280 nfsidl nfsio 94739 502569 0 0 3 0x14280 nfsidl nfsio 23908 309939 0 0 3 0x14280 nfsidl nfsio 92135 150668 0 0 3 0x14280 nfsidl nfsio 77326 487690 0 0 3 0x14280 nfsidl nfsio 45639 40650 0 0 3 0x14280 nfsidl nfsio 29519 205697 0 0 3 0x14280 nfsidl nfsio 40707 488585 0 0 3 0x14280 nfsidl nfsio 65666 36414 0 0 3 0x14280 nfsidl nfsio 86431 208797 0 0 3 0x14280 nfsidl nfsio 25363 51362 0 0 3 0x14280 nfsidl nfsio 69997 280276 0 0 3 0x14280 nfsidl nfsio 63315 332134 0 0 3 0x14280 nfsidl nfsio 5503 224335 0 0 3 0x14200 bored sosplice 77337 367438 1 0 3 0x100083 ttyin getty 24814 435143 78401 0 3 0x82 nanosleep syz-executor.1 78401 142991 89661 0 3 0x82 thrsleep syz-fuzzer 78401 256751 89661 0 3 0x4000082 thrsleep syz-fuzzer 78401 255591 89661 0 3 0x4000082 thrsleep syz-fuzzer 78401 428745 89661 0 3 0x4000082 thrsleep syz-fuzzer 78401 94748 89661 0 3 0x4000082 thrsleep syz-fuzzer 78401 477415 89661 0 3 0x4000082 thrsleep syz-fuzzer 78401 165810 89661 0 3 0x4000082 thrsleep syz-fuzzer 78401 245692 89661 0 3 0x4000082 thrsleep syz-fuzzer 78401 275538 89661 0 3 0x4000082 kqread syz-fuzzer 78401 284691 89661 0 3 0x4000082 thrsleep syz-fuzzer 89661 288488 43016 0 3 0x10008a pause ksh 43016 161344 23275 0 3 0x92 select sshd 23275 411833 1 0 3 0x80 select sshd 93368 237489 40961 74 7 0x100492 pflogd 40961 411049 1 0 3 0x80 netio pflogd 12302 256609 36447 73 3 0x100090 kqread syslogd 36447 131798 1 0 3 0x100082 netio syslogd 69096 12313 1 77 3 0x100090 poll dhclient 4958 416586 1 0 3 0x80 poll dhclient 92157 18965 0 0 3 0x14200 bored smr 53881 414756 0 0 3 0x14200 pgzero zerothread 92204 31034 0 0 3 0x14200 aiodoned aiodoned 48499 169271 0 0 2 0x14200 update 26277 198617 0 0 3 0x14200 cleaner cleaner 18764 336024 0 0 3 0x14200 reaper reaper 39532 353627 0 0 3 0x14200 pgdaemon pagedaemon 6975 396654 0 0 3 0x14200 bored crynlk 34003 148601 0 0 3 0x14200 bored crypto 57752 200424 0 0 3 0x40014200 acpi0 acpi0 5255 128588 0 0 3 0x40014200 idle1 *28982 19921 0 0 7 0x14200 softnet 89438 281022 0 0 2 0x14200 systqmp 1643 368279 0 0 3 0x14200 bored systq 76857 396762 0 0 3 0x40014200 bored softclock 9940 170137 0 0 3 0x40014200 idle0 1 418259 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 28982 (softnet) thread 0xffff800020e184e0 (19921) exclusive rwlock netlock r = 0 (0xffffffff8248f5e8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 pf_purge+0x27 sys/net/pf.c:1273 #2 taskq_thread+0x9c sys/kern/kern_task.c:369 #3 proc_trampoline+0x1c exclusive kernel_lock &kernel_lock r = 0 (0xffffffff826ad240) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 pf_purge+0x1b sys/net/pf.c:1264 #2 taskq_thread+0x9c sys/kern/kern_task.c:369 #3 proc_trampoline+0x1c shared rwlock softnet r = 0 (0xffff80000002b0e0) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 taskq_thread+0x8f sys/kern/kern_task.c:368 #2 proc_trampoline+0x1c ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9521 6416K 7136K 78643K 13853 0 pcb 13 8K 8K 78643K 264 0 rtable 79 10K 11K 78643K 448 0 ifaddr 77 15K 16K 78643K 158 0 sysctl 3 1K 1K 78643K 3 0 counters 43 33K 34K 78643K 61 0 ioctlops 0 0K 4K 78643K 1550 0 iov 0 0K 32K 78643K 99 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 2056 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 9 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 135 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 1154 0 sigio 0 0K 0K 78643K 7 0 proc 62 63K 83K 78643K 581 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 69 0 in_multi 57 3K 3K 78643K 192 0 ether_multi 1 0K 0K 78643K 30 0 mrt 0 0K 0K 78643K 3 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 55 254K 254K 78643K 55 0 exec 0 0K 1K 78643K 305 0 pfkey data 0 0K 1K 78643K 2 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 156 186K 186K 78643K 4854 0 UVM aobj 28 2K 2K 78643K 34 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 106 0 NDP 12 0K 0K 78643K 36 0 temp 131 3042K 3146K 78643K 17831 0 kqueue 3 4K 18K 78643K 40 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 8 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 55 0 53 1 0 1 1 0 8 0 rtentry 112 99 0 71 2 0 2 2 0 8 0 unpcb 120 385 0 375 1 0 1 1 0 8 0 syncache 264 10 0 10 4 4 0 1 0 8 0 tcpqe 32 181 0 181 3 3 0 1 0 8 0 tcpcb 544 954 0 950 2 1 1 2 0 8 0 inpcb 280 1696 0 1689 7 5 2 2 0 8 1 nd6 48 22 0 19 1 0 1 1 0 8 0 pkpcb 40 10 0 10 3 3 0 1 0 8 0 pfstscr 40 6 0 4 1 0 1 1 0 8 0 pffrag 232 3 0 3 3 3 0 1 0 482 0 pffrnode 88 3 0 3 3 3 0 1 0 8 0 pffrent 40 6 0 6 3 3 0 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 86 0 58 1 0 1 1 0 8 0 pfstkey 112 93 0 65 2 0 2 2 0 8 0 pfstate 328 89 0 62 4 0 4 4 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 524 0 388 15 6 9 13 0 8 0 art_table 32 525 0 388 2 0 2 2 0 8 0 art_node 16 96 0 72 1 0 1 1 0 8 0 sysvmsgpl 40 62 0 22 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 126 0 116 1 0 1 1 0 8 0 shmpl 112 32 0 6 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2883 0 1479 89 0 89 89 0 8 0 ffsino 272 2883 0 1479 95 1 94 94 0 8 0 nchpl 144 4597 0 3014 60 0 60 60 0 8 0 uvmvnodes 72 3631 0 0 67 0 67 67 0 8 0 vnodes 208 3631 0 0 192 0 192 192 0 8 0 namei 1024 13332 0 13332 3 2 1 1 0 8 1 percpumem 16 41 0 9 1 0 1 1 0 8 0 vcpupl 1984 16 0 0 2 0 2 2 0 8 0 vmpool 560 18 0 2 2 0 2 2 0 8 0 scsiplug 64 2 0 2 2 2 0 1 0 8 0 scxspl 192 13396 0 13396 13 12 1 7 0 8 1 plimitpl 152 70 0 62 1 0 1 1 0 8 0 sigapl 424 1388 0 1336 6 0 6 6 0 8 0 futexpl 56 15255 0 15254 2 1 1 1 0 8 0 knotepl 112 119 0 100 1 0 1 1 0 8 0 kqueuepl 144 129 0 127 1 0 1 1 0 8 0 pipelkpl 48 246 0 236 1 0 1 1 0 8 0 pipepl 120 492 0 473 3 2 1 2 0 8 0 fdescpl 496 1352 0 1336 3 0 3 3 0 8 0 filepl 152 7743 0 7642 8 3 5 6 0 8 0 lockfpl 104 239 0 238 1 0 1 1 0 8 0 lockfspl 48 90 0 89 1 0 1 1 0 8 0 sessionpl 112 20 0 9 1 0 1 1 0 8 0 pgrppl 48 29 0 18 1 0 1 1 0 8 0 ucredpl 96 663 0 654 1 0 1 1 0 8 0 zombiepl 144 1336 0 1336 3 2 1 1 0 8 1 processpl 984 1388 0 1336 8 1 7 7 0 8 0 procpl 624 3977 0 3914 6 0 6 6 0 8 0 sosppl 128 12 0 12 3 3 0 1 0 8 0 sockpl 400 2255 0 2236 10 7 3 4 0 8 1 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 15 0 0 2 0 2 2 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 181 0 0 22 1 21 22 0 8 0 mtagpl 80 266 0 0 6 0 6 6 0 8 0 mbufpl 256 743 0 0 44 0 44 44 0 8 0 bufpl 280 5495 0 136 383 0 383 383 0 8 0 anonpl 16 133680 0 118117 116 50 66 79 0 124 2 amapchunkpl 152 8788 0 8640 35 28 7 20 0 158 0 amappl16 192 5633 0 4783 78 35 43 55 0 8 0 amappl15 184 278 0 277 1 0 1 1 0 8 0 amappl14 176 552 0 545 1 0 1 1 0 8 0 amappl13 168 37 0 33 1 0 1 1 0 8 0 amappl12 160 538 0 534 1 0 1 1 0 8 0 amappl11 152 327 0 312 1 0 1 1 0 8 0 amappl10 144 24 0 18 1 0 1 1 0 8 0 amappl9 136 682 0 680 1 0 1 1 0 8 0 amappl8 128 688 0 649 2 0 2 2 0 8 0 amappl7 120 124 0 113 1 0 1 1 0 8 0 amappl6 112 26 0 20 1 0 1 1 0 8 0 amappl5 104 1249 0 1232 1 0 1 1 0 8 0 amappl4 96 517 0 486 1 0 1 1 0 8 0 amappl3 88 147 0 140 1 0 1 1 0 8 0 amappl2 80 10487 0 10411 2 0 2 2 0 8 0 amappl1 72 38106 0 37657 23 13 10 18 0 8 0 amappl 80 4244 0 4190 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 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 64 33 0 6 1 0 1 1 0 8 0 uaddrrnd 24 1370 0 1338 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1370 0 1338 1 0 1 1 0 8 0 vmmpekpl 168 14480 0 14439 3 0 3 3 0 8 0 vmmpepl 168 168212 0 166156 161 65 96 120 0 357 0 vmsppl 368 1369 0 1338 4 1 3 3 0 8 0 pdppl 4096 2748 0 2692 9 1 8 8 0 8 0 pvpl 32 391511 0 373032 257 82 175 188 0 265 20 pmappl 232 1369 0 1338 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 313 0 23 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff8251aff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff826ad038) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff826ad038) at __mp_lock+0x127 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff826ad038,2) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x392 sys/kern/sched_bsd.c:435 sleep_finish(ffff800020eff628,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 sleep_finish_all(ffff800020eff628,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:447 [inline] sleep_finish_all(ffff800020eff628,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:393 msleep(ffff8000009d3a00,ffff8000009d3a08,11a,ffffffff82267c0f,32) at msleep+0x214 sys/kern/kern_synch.c:257 bpfread(21700,ffff800020eff998,0) at bpfread+0x245 sys/net/bpf.c:491 spec_read(ffff800020eff7e0) at spec_read+0xf1 sys/kern/spec_vnops.c:222 VOP_READ(fffffd806e8751c0,ffff800020eff998,0,fffffd807f7bf7e0) at VOP_READ+0xbf sys/kern/vfs_vops.c:247 vn_read(fffffd806eb41988,ffff800020eff998,0) at vn_read+0x124 sys/kern/vfs_vnops.c:375 dofilereadv(ffff800020ed0010,4,ffff800020eff998,0,ffff800020effa80) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 end trace frame: 0xffff800020effa20, count: 0 ddb{0}> trace x86_ipi_db(ffffffff8251aff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff826ad038) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff826ad038) at __mp_lock+0x127 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff826ad038,2) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x392 sys/kern/sched_bsd.c:435 sleep_finish(ffff800020eff628,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 sleep_finish_all(ffff800020eff628,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:447 [inline] sleep_finish_all(ffff800020eff628,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:393 msleep(ffff8000009d3a00,ffff8000009d3a08,11a,ffffffff82267c0f,32) at msleep+0x214 sys/kern/kern_synch.c:257 bpfread(21700,ffff800020eff998,0) at bpfread+0x245 sys/net/bpf.c:491 spec_read(ffff800020eff7e0) at spec_read+0xf1 sys/kern/spec_vnops.c:222 VOP_READ(fffffd806e8751c0,ffff800020eff998,0,fffffd807f7bf7e0) at VOP_READ+0xbf sys/kern/vfs_vops.c:247 vn_read(fffffd806eb41988,ffff800020eff998,0) at vn_read+0x124 sys/kern/vfs_vnops.c:375 dofilereadv(ffff800020ed0010,4,ffff800020eff998,0,ffff800020effa80) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff800020ed0010,ffff800020effa30,ffff800020effa80) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff800020effb00) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020effb00) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffed150, count: -17 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82206e34) at panic+0x15c sys/kern/subr_prf.c:207 unhandled_af(16) at unhandled_af+0x16 pf_build_tcp(ffffffff826abc20,16,fffffd8065fa7cc8,fffffd8065fa7cb8,0,0) at pf_build_tcp+0x3c8 pf_remove_state(fffffd8068498910) at pf_remove_state+0x9a pf_send_tcp sys/net/pf.c:2892 [inline] pf_remove_state(fffffd8068498910) at pf_remove_state+0x9a sys/net/pf.c:1382 pf_purge_expired_states(3) at pf_purge_expired_states+0x1ed pf_purge(ffffffff826a71a0) at pf_purge+0x3f sys/net/pf.c:1278 taskq_thread(ffff80000002b080) at taskq_thread+0x9c sys/kern/kern_task.c:369 end trace frame: 0x0, count: 7 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82206e34) at panic+0x15c sys/kern/subr_prf.c:207 unhandled_af(16) at unhandled_af+0x16 pf_build_tcp(ffffffff826abc20,16,fffffd8065fa7cc8,fffffd8065fa7cb8,0,0) at pf_build_tcp+0x3c8 pf_remove_state(fffffd8068498910) at pf_remove_state+0x9a pf_send_tcp sys/net/pf.c:2892 [inline] pf_remove_state(fffffd8068498910) at pf_remove_state+0x9a sys/net/pf.c:1382 pf_purge_expired_states(3) at pf_purge_expired_states+0x1ed pf_purge(ffffffff826a71a0) at pf_purge+0x3f sys/net/pf.c:1278 taskq_thread(ffff80000002b080) at taskq_thread+0x9c sys/kern/kern_task.c:369 end trace frame: 0x0, count: -8