panic() at panic+0x15c sys/kern/subr_prf.c:207 ifa_update_broadaddr(ffff800000ab3000,ffff800000a99200,ffff800017b65100) at ifa_update_broadaddr+0x61 sys/net/if.c:2970 in_ioctl(80206913,ffff800017b650f0,ffff800000ab3000,1) at in_ioctl+0x463 sys/netinet/in.c:299 ifioctl(fffffd8029f547e8,80206913,ffff800017b650f0,ffff8000ffff8280) at ifioctl+0xb34 sys/net/if.c:2202 sys_ioctl(ffff8000ffff8280,ffff800017b65208,ffff800017b65250) at sys_ioctl+0x5b9 syscall(ffff800017b652d0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff36,0,3,fea77756010) at Xsyscall+0x128 end of kernel end trace frame: 0xfec77966d30, 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> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic ifa_update_broadaddr does not support dynamic length ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic() at panic+0x15c sys/kern/subr_prf.c:207 ifa_update_broadaddr(ffff800000ab3000,ffff800000a99200,ffff800017b65100) at ifa_update_broadaddr+0x61 sys/net/if.c:2970 in_ioctl(80206913,ffff800017b650f0,ffff800000ab3000,1) at in_ioctl+0x463 sys/netinet/in.c:299 ifioctl(fffffd8029f547e8,80206913,ffff800017b650f0,ffff8000ffff8280) at ifioctl+0xb34 sys/net/if.c:2202 sys_ioctl(ffff8000ffff8280,ffff800017b65208,ffff800017b65250) at sys_ioctl+0x5b9 syscall(ffff800017b652d0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff36,0,3,fea77756010) at Xsyscall+0x128 end of kernel end trace frame: 0xfec77966d30, count: -8 ddb> show registers rdi 0xffffffff8182e107 db_enter+0x17 rsi 0x1ac91 acpi_pdirpa+0x6af9 rbp 0xffff800017b64e90 rbx 0xffff800017b64f40 rdx 0x1ac92 acpi_pdirpa+0x6afa rcx 0xffff800016540000 rax 0xffff800016540000 r8 0xffff800017b64e50 r9 0x1 r10 0xffff800000abbf00 r11 0x5b1888b2489d5cb0 r12 0x3000000008 r13 0xffff800017b64ea0 r14 0x100 r15 0x1 rip 0xffffffff8182e108 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800017b64e80 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (syz-executor.0) pid=274285 stat=onproc flags process=0 proc=4000000 pri=83, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff9b30,0xffffffff82562590 process=0xffff8000ffff7450 user=0xffff800017b60000, vmspace=0xfffffd803f013dd0 estcpu=33, cpticks=6, pctcpu=0.3 user=0, sys=8, intr=1 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 39759 513185 63312 0 2 0 syz-executor.0 *39759 274285 63312 0 7 0x4000000 syz-executor.0 2690 361648 96381 0 2 0x480 syz-executor.1 2690 423816 96381 0 3 0x4000080 select syz-executor.1 2690 357109 96381 0 3 0x4000080 fsleep syz-executor.1 96381 333859 58726 0 2 0x482 syz-executor.1 63312 24700 58726 0 2 0x482 syz-executor.0 13649 198097 0 0 3 0x14200 acct acct 98005 463224 0 0 3 0x14200 bored sosplice 58726 144715 42610 0 3 0x82 thrsleep syz-fuzzer 58726 245973 42610 0 2 0x4000482 syz-fuzzer 58726 103548 42610 0 3 0x4000082 kqread syz-fuzzer 58726 481178 42610 0 3 0x4000082 thrsleep syz-fuzzer 58726 28160 42610 0 3 0x4000082 thrsleep syz-fuzzer 58726 256002 42610 0 3 0x4000082 thrsleep syz-fuzzer 58726 482113 42610 0 3 0x4000082 thrsleep syz-fuzzer 42610 64616 47372 0 3 0x10008a pause ksh 47372 35216 13548 0 3 0x92 select sshd 74745 156083 1 0 3 0x100083 ttyin getty 13548 16093 1 0 3 0x80 select sshd 44013 160054 91609 73 3 0x100090 kqread syslogd 91609 96270 1 0 3 0x100082 netio syslogd 47670 478461 1 77 3 0x100090 poll dhclient 48137 425077 1 0 3 0x80 poll dhclient 24183 334938 0 0 2 0x14200 zerothread 63363 518429 0 0 3 0x14200 aiodoned aiodoned 23793 450547 0 0 2 0x14200 update 84048 383108 0 0 3 0x14200 cleaner cleaner 36182 268403 0 0 3 0x14200 reaper reaper 67761 113155 0 0 3 0x14200 pgdaemon pagedaemon 11516 255670 0 0 3 0x14200 bored crynlk 33743 390337 0 0 3 0x14200 bored crypto 14703 179393 0 0 3 0x40014200 acpi0 acpi0 28154 224773 0 0 3 0x14200 bored softnet 75970 445820 0 0 3 0x14200 bored systqmp 5449 399847 0 0 3 0x14200 bored systq 27703 184180 0 0 3 0x40014200 bored softclock 86689 130531 0 0 3 0x40014200 idle0 2776 253477 0 0 2 0x14200 smr 1 30837 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9583 6446K 7832K 78643K 20705 0 0 pcb 13 12K 14K 78643K 599 0 0 rtable 97 11K 12K 78643K 2090 0 0 ifaddr 84 17K 19K 78643K 465 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 190 0 0 iov 0 0K 24K 78643K 692 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1210 76K 77K 78643K 4794 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 44 0 0 VM map 35 8K 8K 78643K 52 0 0 sem 12 1K 1K 78643K 590 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 6 17K 25K 78643K 2749 0 0 sigio 1 0K 0K 78643K 96 0 0 proc 49 38K 63K 78643K 1330 0 0 subproc 32 2K 2K 78643K 376 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 682 0 0 in_multi 23 1K 2K 78643K 426 0 0 ether_multi 1 0K 0K 78643K 25 0 0 mrt 0 0K 0K 78643K 26 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 102 450K 450K 78643K 102 0 0 exec 0 0K 1K 78643K 724 0 0 pfkey data 0 0K 4K 78643K 2 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 154 282K 287K 78643K 8049 0 0 UVM aobj 130 8K 8K 78643K 141 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 0K 78643K 537 0 0 NDP 20 0K 0K 78643K 159 0 0 temp 226 3544K 4184K 78643K 180843 0 0 kqueue 0 0K 0K 78643K 43 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 99 0 94 1 0 1 1 0 8 0 rtpcb 80 330 0 328 1 0 1 1 0 8 0 rtentry 112 406 0 372 2 0 2 2 0 8 0 unpcb 120 3726 0 3714 1 0 1 1 0 8 0 syncache 264 17 0 17 7 7 0 1 0 8 0 sackhl 24 2 0 2 2 2 0 1 0 8 0 tcpqe 32 111 0 111 5 5 0 1 0 8 0 tcpcb 544 1586 0 1582 18 17 1 15 0 8 0 ipq 40 18 0 18 7 7 0 1 0 8 0 ipqe 40 339 0 339 7 7 0 1 0 8 0 inpcb 280 6504 0 6495 29 28 1 13 0 8 0 rttmr 72 9 0 8 3 2 1 1 0 8 0 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 3 0 3 1 1 0 1 0 8 0 nd6 48 52 0 50 1 0 1 1 0 8 0 pkpcb 40 14 0 14 5 5 0 1 0 8 0 swfcl 56 2 0 0 1 0 1 1 0 8 0 ppxss 1128 46 0 46 12 12 0 1 0 8 0 art_heap8 4096 5 0 4 4 3 1 3 0 8 0 art_heap4 256 1538 0 1340 28 15 13 16 0 8 0 art_table 32 1543 0 1344 3 0 3 3 0 8 0 art_node 16 405 0 374 1 0 1 1 0 8 0 sysvmsgpl 40 72 0 52 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 586 0 576 1 0 1 1 0 8 0 shmpl 112 139 0 11 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 5637 0 4238 46 0 46 46 0 8 0 ffsino 240 5637 0 4238 83 0 83 83 0 8 0 nchpl 144 9875 0 9403 60 40 20 60 0 8 0 uvmvnodes 72 7232 0 0 132 0 132 132 0 8 0 vnodes 208 7232 0 0 381 0 381 381 0 8 0 namei 1024 34856 0 34856 3 2 1 1 0 8 1 vcpupl 1984 33 0 0 5 0 5 5 0 8 0 vmpool 520 50 0 17 3 0 3 3 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 37263 0 37263 26 25 1 7 0 8 1 plimitpl 152 259 0 252 1 0 1 1 0 8 0 sigapl 432 2860 0 2846 2 0 2 2 0 8 0 futexpl 56 78900 0 78899 3 2 1 1 0 8 0 knotepl 112 864 0 845 4 3 1 3 0 8 0 kqueuepl 104 786 0 784 4 3 1 4 0 8 0 pipepl 112 1828 0 1809 5 3 2 2 0 8 1 fdescpl 424 2861 0 2846 2 0 2 2 0 8 0 filepl 120 28680 0 28583 28 24 4 11 0 8 0 lockfpl 104 1160 0 1159 1 0 1 1 0 8 0 lockfspl 48 351 0 350 1 0 1 1 0 8 0 sessionpl 112 37 0 27 1 0 1 1 0 8 0 pgrppl 48 145 0 135 1 0 1 1 0 8 0 ucredpl 96 3022 0 3015 1 0 1 1 0 8 0 zombiepl 144 2847 0 2847 1 0 1 1 0 8 1 processpl 864 2878 0 2847 4 0 4 4 0 8 0 procpl 632 6178 0 6138 4 0 4 4 0 8 0 sosppl 128 51 0 51 10 10 0 1 0 8 0 sockpl 384 10613 0 10590 41 37 4 21 0 8 0 mcl64k 65536 526 0 526 35 35 0 33 0 8 0 mcl16k 16384 30 0 30 10 10 0 1 0 8 0 mcl12k 12288 84 0 84 7 7 0 1 0 8 0 mcl9k 9216 47 0 47 7 7 0 1 0 8 0 mcl8k 8192 115 0 115 4 4 0 1 0 8 0 mcl4k 4096 292 0 292 4 3 1 1 0 8 1 mcl2k2 2112 29 0 29 13 13 0 1 0 8 0 mcl2k 2048 73045 0 72997 19 11 8 14 0 8 0 mtagpl 80 133 0 123 3 2 1 1 0 8 0 mbufpl 256 143640 0 143514 61 49 12 24 0 8 0 bufpl 256 18940 0 11707 453 0 453 453 0 8 0 anonpl 16 403160 0 384355 181 89 92 95 0 62 13 amapchunkpl 152 18022 0 17904 65 56 9 19 0 158 3 amappl16 192 18310 0 17210 178 115 63 68 0 8 7 amappl15 184 222 0 218 5 4 1 1 0 8 0 amappl14 176 250 0 245 1 0 1 1 0 8 0 amappl13 168 80 0 80 5 5 0 1 0 8 0 amappl12 160 776 0 774 1 0 1 1 0 8 0 amappl11 152 449 0 437 1 0 1 1 0 8 0 amappl10 144 561 0 558 1 0 1 1 0 8 0 amappl9 136 893 0 886 1 0 1 1 0 8 0 amappl8 128 430 0 390 2 0 2 2 0 8 0 amappl7 120 663 0 656 1 0 1 1 0 8 0 amappl6 112 429 0 418 1 0 1 1 0 8 0 amappl5 104 1053 0 1043 1 0 1 1 0 8 0 amappl4 96 2387 0 2359 1 0 1 1 0 8 0 amappl3 88 1017 0 1010 1 0 1 1 0 8 0 amappl2 80 21046 0 20966 3 1 2 3 0 8 0 amappl1 72 63339 0 62899 27 18 9 20 0 8 0 amappl 80 6924 0 6864 3 1 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 17 0 17 1 1 0 1 0 8 0 aobjpl 64 140 0 11 3 0 3 3 0 8 0 uaddrrnd 24 2911 0 2846 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2911 0 2846 1 0 1 1 0 8 0 vmmpekpl 168 21103 0 21069 2 0 2 2 0 8 0 vmmpepl 168 360302 0 357941 265 143 122 139 0 357 18 vmsppl 272 2860 0 2846 2 1 1 2 0 8 0 pdppl 4096 5828 0 5759 11 2 9 9 0 8 0 pvpl 32 1062058 0 1040561 442 175 267 318 0 265 89 pmappl 200 2910 0 2863 3 0 3 3 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 740 0 154 17 0 17 17 0 8 0