panic: unhandled af 187 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *205718 11857 0 0 0x4000000 1K syz-executor.0 327855 46189 0 0 0 0 syz-executor.1 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff821d81f2) at panic+0x15c sys/kern/subr_prf.c:207 unhandled_af(bb) at unhandled_af+0x16 pf_addrcpy(ffff800021bbf908,ffff800021bbfc00,bb) at pf_addrcpy+0x99 sys/net/pf.c:409 pfioctl(4900,c0504417,ffff800021bbfc00,1,ffff800020ad73d8) at pfioctl+0x43cf sys/net/pf_ioctl.c:1827 VOP_IOCTL(fffffd806f6c85d0,c0504417,ffff800021bbfc00,1,fffffd807f7be720,ffff800020ad73d8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd806c9c8e50,c0504417,ffff800021bbfc00,ffff800020ad73d8) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff800020ad73d8,ffff800021bbfd18,ffff800021bbfd60) at sys_ioctl+0x5b9 syscall(ffff800021bbfde0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800021bbfde0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x196106a0710, count: 5 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 187 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff821d81f2) at panic+0x15c sys/kern/subr_prf.c:207 unhandled_af(bb) at unhandled_af+0x16 pf_addrcpy(ffff800021bbf908,ffff800021bbfc00,bb) at pf_addrcpy+0x99 sys/net/pf.c:409 pfioctl(4900,c0504417,ffff800021bbfc00,1,ffff800020ad73d8) at pfioctl+0x43cf sys/net/pf_ioctl.c:1827 VOP_IOCTL(fffffd806f6c85d0,c0504417,ffff800021bbfc00,1,fffffd807f7be720,ffff800020ad73d8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd806c9c8e50,c0504417,ffff800021bbfc00,ffff800020ad73d8) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff800020ad73d8,ffff800021bbfd18,ffff800021bbfd60) at sys_ioctl+0x5b9 syscall(ffff800021bbfde0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800021bbfde0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x196106a0710, count: -10 ddb{1}> show registers rdi 0xffffffff8144bd17 db_enter+0x17 rsi 0x933 rbp 0xffff800021bbf7c0 rbx 0xffff800021bbf870 rdx 0x934 rcx 0xffff800020b7c000 rax 0xffff800020b7c000 r8 0xffffffff81babddf kprintf+0x16f r9 0x1 r10 0x25 r11 0xa291349947e3b93e r12 0x3000000008 r13 0xffff800021bbf7d0 r14 0x100 r15 0x1 rip 0xffffffff8144bd18 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021bbf7b0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=205718 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ad6ee8,0xffffffff82657d48 process=0xffff800020af5548 user=0xffff800021bba000, vmspace=0xfffffd807f0005c0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 11857 375294 74588 0 2 0 syz-executor.0 *11857 205718 74588 0 7 0x4000000 syz-executor.0 46189 327855 73948 0 7 0 syz-executor.1 46189 227118 73948 0 2 0x4000000 syz-executor.1 73948 396199 72681 0 3 0x82 nanosleep syz-executor.1 74588 63589 72681 0 3 0x82 nanosleep syz-executor.0 72681 424608 14464 0 3 0x82 thrsleep syz-fuzzer 72681 510091 14464 0 3 0x4000082 thrsleep syz-fuzzer 72681 346138 14464 0 3 0x4000082 thrsleep syz-fuzzer 72681 393962 14464 0 3 0x4000082 thrsleep syz-fuzzer 72681 52059 14464 0 3 0x4000082 thrsleep syz-fuzzer 72681 158360 14464 0 3 0x4000082 thrsleep syz-fuzzer 72681 449837 14464 0 3 0x4000082 thrsleep syz-fuzzer 72681 250959 14464 0 3 0x4000082 kqread syz-fuzzer 72681 271355 14464 0 3 0x4000082 thrsleep syz-fuzzer 72681 457212 14464 0 3 0x4000082 thrsleep syz-fuzzer 14464 374863 86048 0 3 0x10008a pause ksh 86048 33544 57781 0 3 0x92 select sshd 13442 395800 1 0 3 0x100083 ttyin getty 57781 224397 1 0 3 0x80 select sshd 23985 259340 52756 74 3 0x100092 bpf pflogd 52756 282032 1 0 3 0x80 netio pflogd 44791 353554 56995 73 3 0x100090 kqread syslogd 56995 414868 1 0 3 0x100082 netio syslogd 48212 194126 1 77 3 0x100090 poll dhclient 80614 244201 1 0 3 0x80 poll dhclient 35772 126709 0 0 2 0x14200 zerothread 10811 393467 0 0 3 0x14200 aiodoned aiodoned 80338 297705 0 0 3 0x14200 syncer update 13184 208089 0 0 3 0x14200 cleaner cleaner 94774 418980 0 0 3 0x14200 reaper reaper 37623 295424 0 0 3 0x14200 pgdaemon pagedaemon 91166 520858 0 0 3 0x14200 bored crynlk 2914 28663 0 0 3 0x14200 bored crypto 21947 248943 0 0 3 0x40014200 acpi0 acpi0 14735 501334 0 0 3 0x40014200 idle1 47584 365234 0 0 3 0x14200 bored softnet 63038 424601 0 0 3 0x14200 bored systqmp 20647 178661 0 0 3 0x14200 bored systq 7325 381812 0 0 3 0x40014200 bored softclock 45066 448514 0 0 3 0x40014200 idle0 4042 325813 0 0 3 0x14200 bored smr 1 60294 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 11857 (syz-executor.0) thread 0xffff800020ad73d8 (205718) exclusive rwlock netlock r = 0 (0xffffffff8249bdb8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 pfioctl+0x15f sys/net/pf_ioctl.c:1028 #2 VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 #3 vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 #4 sys_ioctl+0x5b9 #5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] #5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82624950) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:83 [inline] #1 syscall+0x400 sys/arch/amd64/amd64/trap.c:555 #2 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9491 6538K 11903K 78643K 94798 0 pcb 13 8K 8K 78643K 1706 0 rtable 108 4K 4K 78643K 223 0 ifaddr 49 11K 11K 78643K 61 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 3934 0 iov 0 0K 16K 78643K 265 0 mount 1 1K 1K 78643K 1 0 vnodes 1259 79K 79K 78643K 28611 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 419 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 292 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 30429 0 sigio 0 0K 0K 78643K 206 0 proc 104 65K 95K 78643K 1043 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 287 0 in_multi 33 2K 2K 78643K 114 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 336 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 134 39K 55K 78643K 69109 0 UVM aobj 130 5K 5K 78643K 130 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 5 0 NDP 7 0K 0K 78643K 13 0 temp 116 3026K 3102K 78643K 96374 0 kqueue 0 0K 0K 78643K 7 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 6 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 57 0 55 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 45099 0 45089 21 20 1 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 sackhl 24 17 0 17 9 9 0 1 0 8 0 tcpcb 544 5029 0 5025 1 0 1 1 0 8 0 inpcb 280 18287 0 18278 6 5 1 2 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 2 0 2 1 1 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 34 0 32 1 0 1 1 0 8 0 pfstkey 112 34 0 32 1 0 1 1 0 8 0 pfstate 328 34 0 32 3 2 1 2 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 256 212 0 0 14 0 14 14 0 8 0 art_table 32 213 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 semapl 112 290 0 280 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 33241 0 31824 46 0 46 46 0 8 0 ffsino 272 33241 0 31824 96 1 95 95 0 8 0 nchpl 144 73606 0 71888 66 2 64 64 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 208 5926 0 0 312 0 312 312 0 8 0 namei 1024 199726 0 199726 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vcpupl 1984 5 0 3 1 0 1 1 0 8 0 vmpool 560 5 0 3 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 193787 0 193787 14 13 1 7 0 8 1 plimitpl 152 106 0 98 1 0 1 1 0 8 0 sigapl 432 30628 0 30612 3 1 2 3 0 8 0 futexpl 56 215988 0 215988 1 0 1 1 0 8 1 knotepl 112 548 0 529 1 0 1 1 0 8 0 kqueuepl 104 1814 0 1812 1 0 1 1 0 8 0 pipepl 112 4722 0 4703 1 0 1 1 0 8 0 fdescpl 488 30629 0 30612 3 0 3 3 0 8 0 filepl 152 162895 0 162791 47 42 5 8 0 8 1 lockfpl 104 2232 0 2231 1 0 1 1 0 8 0 lockfspl 48 964 0 963 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 15186 0 15177 1 0 1 1 0 8 0 zombiepl 144 30612 0 30612 1 0 1 1 0 8 1 processpl 904 30644 0 30612 4 0 4 4 0 8 0 procpl 632 68253 0 68210 10 6 4 5 0 8 0 sockpl 384 63644 0 63623 75 71 4 8 0 8 1 mcl64k 65536 18 0 0 3 0 3 3 0 8 0 mcl16k 16384 25 0 0 3 0 3 3 0 8 0 mcl12k 12288 33 0 0 3 1 2 2 0 8 0 mcl9k 9216 33 0 0 2 0 2 2 0 8 0 mcl8k 8192 25 0 0 3 0 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 13 0 0 1 0 1 1 0 8 0 mcl2k 2048 247 0 0 19 10 9 19 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 753 0 0 12 4 8 12 0 8 0 bufpl 280 37800 0 30730 506 0 506 506 0 8 0 anonpl 16 1735048 0 1728327 32 3 29 29 0 125 0 amapchunkpl 152 106654 0 106549 6 1 5 6 0 158 0 amappl16 192 106888 0 106558 18 1 17 17 0 8 0 amappl15 184 30334 0 30325 1 0 1 1 0 8 0 amappl14 176 29 0 27 1 0 1 1 0 8 0 amappl13 168 15137 0 15135 1 0 1 1 0 8 0 amappl12 160 4 0 3 2 1 1 1 0 8 0 amappl11 152 58 0 43 1 0 1 1 0 8 0 amappl10 144 14 0 10 1 0 1 1 0 8 0 amappl9 136 607 0 604 1 0 1 1 0 8 0 amappl8 128 333 0 288 2 0 2 2 0 8 0 amappl7 120 106 0 94 1 0 1 1 0 8 0 amappl6 112 60 0 52 1 0 1 1 0 8 0 amappl5 104 697 0 684 1 0 1 1 0 8 0 amappl4 96 30759 0 30726 1 0 1 1 0 8 0 amappl3 88 699 0 692 1 0 1 1 0 8 0 amappl2 80 271383 0 271294 3 1 2 3 0 8 0 amappl1 72 516919 0 516452 27 17 10 21 0 8 0 amappl 80 68500 0 68461 1 0 1 1 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 64 129 0 0 3 0 3 3 0 8 0 uaddrrnd 24 30634 0 30615 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 30634 0 30615 1 0 1 1 0 8 0 vmmpekpl 168 140925 0 140891 2 0 2 2 0 8 0 vmmpepl 168 3406145 0 3404510 131 59 72 82 0 357 0 vmsppl 368 30633 0 30615 2 0 2 2 0 8 0 pdppl 4096 61275 0 61232 6 0 6 6 0 8 0 pvpl 32 5361388 0 5351526 249 167 82 118 0 265 0 pmappl 232 30633 0 30615 3 1 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 175 0 18 5 0 5 5 0 8 0