panic() at panic+0x15c sys/kern/subr_prf.c:207 ifa_update_broadaddr(ffff800000a63800,ffff800000aa1000,ffff800017971900) at ifa_update_broadaddr+0x61 sys/net/if.c:2970 in_ioctl(80206913,ffff8000179718f0,ffff800000a63800,1) at in_ioctl+0x463 sys/netinet/in.c:299 ifioctl(fffffd803e80f4d0,80206913,ffff8000179718f0,ffff8000ffff29f8) at ifioctl+0xb34 sys/net/if.c:2202 sys_ioctl(ffff8000ffff29f8,ffff800017971a08,ffff800017971a50) at sys_ioctl+0x5b9 syscall(ffff800017971ad0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff36,0,3,e09c0bc4010) at Xsyscall+0x128 end of kernel end trace frame: 0xe0c0f44cf80, 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(ffff800000a63800,ffff800000aa1000,ffff800017971900) at ifa_update_broadaddr+0x61 sys/net/if.c:2970 in_ioctl(80206913,ffff8000179718f0,ffff800000a63800,1) at in_ioctl+0x463 sys/netinet/in.c:299 ifioctl(fffffd803e80f4d0,80206913,ffff8000179718f0,ffff8000ffff29f8) at ifioctl+0xb34 sys/net/if.c:2202 sys_ioctl(ffff8000ffff29f8,ffff800017971a08,ffff800017971a50) at sys_ioctl+0x5b9 syscall(ffff800017971ad0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff36,0,3,e09c0bc4010) at Xsyscall+0x128 end of kernel end trace frame: 0xe0c0f44cf80, count: -8 ddb> show registers rdi 0xffffffff81982327 db_enter+0x17 rsi 0x1b09c acpi_pdirpa+0x6f04 rbp 0xffff800017971690 rbx 0xffff800017971740 rdx 0x1b09d acpi_pdirpa+0x6f05 rcx 0xffff800017747000 rax 0xffff800017747000 r8 0xffff800017971650 r9 0x1 r10 0xffff800000a6f100 r11 0x3b510de5f14d9df8 r12 0x3000000008 r13 0xffff8000179716a0 r14 0x100 r15 0x1 rip 0xffffffff81982328 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800017971680 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (syz-executor.0) pid=358583 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2ee8,0xffffffff82577c30 process=0xffff8000148a26d8 user=0xffff80001796c000, vmspace=0xfffffd803f014880 estcpu=36, cpticks=9, pctcpu=0.0 user=0, sys=9, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 91533 357964 78347 0 2 0 syz-executor.0 *91533 358583 78347 0 7 0x4000000 syz-executor.0 37655 155892 36226 0 2 0 syz-executor.1 37655 223618 36226 0 3 0x4000080 ttyout syz-executor.1 36226 108915 61672 0 2 0x482 syz-executor.1 78347 338765 61672 0 2 0x482 syz-executor.0 25736 459191 0 0 3 0x14200 bored sosplice 40362 49157 1 0 3 0x100083 ttyin getty 38764 248776 0 0 3 0x14200 acct acct 61672 63731 63560 0 3 0x82 thrsleep syz-fuzzer 61672 365433 63560 0 3 0x4000082 thrsleep syz-fuzzer 61672 57583 63560 0 3 0x4000082 thrsleep syz-fuzzer 61672 470934 63560 0 3 0x4000082 thrsleep syz-fuzzer 61672 340617 63560 0 3 0x4000082 kqread syz-fuzzer 61672 291914 63560 0 3 0x4000082 thrsleep syz-fuzzer 61672 418822 63560 0 3 0x4000082 thrsleep syz-fuzzer 63560 175011 19201 0 3 0x10008a pause ksh 19201 59284 15570 0 3 0x92 select sshd 15570 40968 1 0 3 0x80 select sshd 64817 248203 89504 73 3 0x100090 kqread syslogd 89504 280303 1 0 3 0x100082 netio syslogd 97361 284997 1 77 3 0x100090 poll dhclient 53888 117902 1 0 3 0x80 poll dhclient 34878 9406 0 0 2 0x14200 zerothread 31512 268089 0 0 3 0x14200 aiodoned aiodoned 59122 42978 0 0 3 0x14200 syncer update 74965 519787 0 0 3 0x14200 cleaner cleaner 89213 488925 0 0 3 0x14200 reaper reaper 14725 512500 0 0 3 0x14200 pgdaemon pagedaemon 29585 247743 0 0 3 0x14200 bored crynlk 75998 419017 0 0 3 0x14200 bored crypto 2433 240309 0 0 3 0x40014200 acpi0 acpi0 25406 338600 0 0 3 0x14200 bored softnet 5481 213359 0 0 3 0x14200 bored systqmp 63326 6139 0 0 3 0x14200 bored systq 52097 454515 0 0 3 0x40014200 bored softclock 97283 87619 0 0 3 0x40014200 idle0 42095 224024 0 0 3 0x14200 bored smr 1 71394 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 9531 6982K 7505K 78643K 12244 0 0 pcb 13 12K 14K 78643K 181 0 0 rtable 107 4K 4K 78643K 1395 0 0 ifaddr 86 18K 19K 78643K 312 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 52 0 0 iov 1 8K 28K 78643K 2625 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1220 77K 77K 78643K 3541 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 20 0 0 VM map 2 0K 0K 78643K 5 0 0 sem 12 0K 0K 78643K 1841 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 6 17K 25K 78643K 4059 0 0 sigio 0 0K 0K 78643K 24 0 0 proc 48 38K 54K 78643K 645 0 0 subproc 32 2K 2K 78643K 136 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 68 0 0 in_multi 29 1K 2K 78643K 119 0 0 ether_multi 1 0K 0K 78643K 6 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 48 212K 212K 78643K 48 0 0 exec 0 0K 1K 78643K 361 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 114 22K 39K 78643K 9991 0 0 UVM aobj 40 2K 2K 78643K 41 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 116 0 0 NDP 16 0K 0K 78643K 57 0 0 temp 198 3540K 4180K 78643K 19977 0 0 kqueue 0 0K 0K 78643K 2 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 31 0 25 1 0 1 1 0 8 0 rtpcb 80 120 0 118 1 0 1 1 0 8 0 rtentry 112 484 0 442 2 0 2 2 0 8 0 unpcb 120 13853 0 13830 11 10 1 2 0 8 0 syncache 264 11 0 11 4 4 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 32 0 32 3 3 0 1 0 8 0 tcpcb 544 2152 0 2148 16 15 1 15 0 8 0 ipq 40 3 0 3 2 2 0 1 0 8 0 ipqe 40 10 0 10 2 2 0 1 0 8 0 inpcb 280 3796 0 3788 28 27 1 13 0 8 0 nd6 48 17 0 13 1 0 1 1 0 8 0 ppxss 1128 18 0 17 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1598 0 1379 20 5 15 15 0 8 0 art_table 32 1599 0 1379 2 0 2 2 0 8 0 art_node 16 483 0 444 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 4 1 1 0 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 1839 0 1829 1 0 1 1 0 8 0 shmpl 112 39 0 1 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 9173 0 7738 47 0 47 47 0 8 0 ffsino 240 9173 0 7738 85 0 85 85 0 8 0 nchpl 144 18413 0 16807 60 0 60 60 0 8 0 uvmvnodes 72 6612 0 0 121 0 121 121 0 8 0 vnodes 208 6612 0 0 348 0 348 348 0 8 0 namei 1024 49668 0 49668 3 2 1 1 0 8 1 vmpool 520 3 0 3 1 1 0 1 0 8 0 scxspl 192 39545 0 39545 17 16 1 7 0 8 1 plimitpl 152 79 0 72 1 0 1 1 0 8 0 sigapl 432 4213 0 4199 2 0 2 2 0 8 0 futexpl 56 128820 0 128820 2 1 1 1 0 8 1 knotepl 112 383 0 364 2 1 1 2 0 8 0 kqueuepl 104 428 0 426 4 3 1 4 0 8 0 pipepl 112 2386 0 2367 4 3 1 2 0 8 0 fdescpl 424 4214 0 4199 2 0 2 2 0 8 0 filepl 120 38570 0 38473 17 13 4 11 0 8 1 lockfpl 104 738 0 737 1 0 1 1 0 8 0 lockfspl 48 240 0 239 1 0 1 1 0 8 0 sessionpl 112 24 0 14 1 0 1 1 0 8 0 pgrppl 48 28 0 18 1 0 1 1 0 8 0 ucredpl 96 3295 0 3288 1 0 1 1 0 8 0 zombiepl 144 4199 0 4199 2 1 1 1 0 8 1 processpl 864 4230 0 4199 4 0 4 4 0 8 0 procpl 632 8954 0 8915 4 0 4 4 0 8 0 sosppl 128 8 0 8 2 2 0 1 0 8 0 sockpl 384 17772 0 17739 46 42 4 21 0 8 0 mcl64k 65536 325 0 325 46 46 0 33 0 8 0 mcl16k 16384 14 0 14 8 8 0 1 0 8 0 mcl12k 12288 743 0 743 10 10 0 1 0 8 0 mcl9k 9216 45 0 45 10 10 0 1 0 8 0 mcl8k 8192 1233 0 1233 16 16 0 1 0 8 0 mcl4k 4096 599 0 599 4 3 1 1 0 8 1 mcl2k2 2112 9 0 9 6 6 0 1 0 8 0 mcl2k 2048 76044 0 76007 31 25 6 10 0 8 1 mtagpl 80 67 0 41 2 1 1 1 0 8 0 mbufpl 256 166804 0 166642 38 26 12 24 0 8 0 bufpl 256 14372 0 7760 414 0 414 414 0 8 0 anonpl 16 352919 0 335803 162 91 71 88 0 62 0 amapchunkpl 152 16322 0 16206 25 19 6 15 0 158 0 amappl16 192 20565 0 19583 121 71 50 61 0 8 0 amappl15 184 9 0 9 2 2 0 1 0 8 0 amappl14 176 68 0 64 2 1 1 1 0 8 0 amappl13 168 343 0 341 2 1 1 1 0 8 0 amappl12 160 916 0 912 1 0 1 1 0 8 0 amappl11 152 316 0 304 1 0 1 1 0 8 0 amappl10 144 2220 0 2218 1 0 1 1 0 8 0 amappl9 136 657 0 651 1 0 1 1 0 8 0 amappl8 128 231 0 197 5 3 2 2 0 8 0 amappl7 120 2294 0 2289 1 0 1 1 0 8 0 amappl6 112 328 0 318 1 0 1 1 0 8 0 amappl5 104 1100 0 1089 1 0 1 1 0 8 0 amappl4 96 4539 0 4507 1 0 1 1 0 8 0 amappl3 88 913 0 908 1 0 1 1 0 8 0 amappl2 80 33837 0 33761 3 1 2 3 0 8 0 amappl1 72 81916 0 81499 27 18 9 20 0 8 0 amappl 80 9291 0 9250 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 17 0 17 1 1 0 1 0 8 0 aobjpl 64 40 0 1 1 0 1 1 0 8 0 uaddrrnd 24 4217 0 4199 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4217 0 4199 1 0 1 1 0 8 0 vmmpekpl 168 27244 0 27218 2 0 2 2 0 8 0 vmmpepl 168 491888 0 489752 314 220 94 152 0 357 1 vmsppl 272 4213 0 4199 3 2 1 2 0 8 0 pdppl 4096 8440 0 8404 6 1 5 6 0 8 0 pvpl 32 949172 0 928867 389 222 167 255 0 265 0 pmappl 200 4216 0 4202 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 696 0 151 16 0 16 16 0 8 0