panic: ifa_update_broadaddr does not support dynamic length Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 287454 16053 0 0 0 0 syz-executor.0 *281812 16053 0 0 0x4000000 1K syz-executor.0 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff822809d0) at panic+0x15c sys/kern/subr_prf.c:207 ifa_update_broadaddr(ffff8000009d5000,ffff800000a6fe00,ffff800022017150) at ifa_update_broadaddr+0x61 sys/net/if.c:3077 in_ioctl(80206913,ffff800022017140,ffff8000009d5000,1) at in_ioctl+0x5eb sys/netinet/in.c:320 ifioctl(fffffd806f6ee4b0,80206913,ffff800022017140,ffff8000220193a8) at ifioctl+0xe70 sys/net/if.c:2288 soo_ioctl(fffffd8066df91e0,80206913,ffff800022017140,ffff8000220193a8) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff8000220193a8,ffff800022017258,ffff8000220172a0) at sys_ioctl+0x4a5 syscall(ffff800022017320) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800022017320) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5b350b35070, count: 6 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 ifa_update_broadaddr does not support dynamic length ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff822809d0) at panic+0x15c sys/kern/subr_prf.c:207 ifa_update_broadaddr(ffff8000009d5000,ffff800000a6fe00,ffff800022017150) at ifa_update_broadaddr+0x61 sys/net/if.c:3077 in_ioctl(80206913,ffff800022017140,ffff8000009d5000,1) at in_ioctl+0x5eb sys/netinet/in.c:320 ifioctl(fffffd806f6ee4b0,80206913,ffff800022017140,ffff8000220193a8) at ifioctl+0xe70 sys/net/if.c:2288 soo_ioctl(fffffd8066df91e0,80206913,ffff800022017140,ffff8000220193a8) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff8000220193a8,ffff800022017258,ffff8000220172a0) at sys_ioctl+0x4a5 syscall(ffff800022017320) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800022017320) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5b350b35070, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800022016e70 rbx 0xffff800022016f20 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff813a0f8f kprintf+0x16f r9 0x1 r10 0x2 r11 0x2c56d0c1aca86713 r12 0x3000000008 r13 0xffff800022016e80 r14 0x100 r15 0x1 rip 0xffffffff8140a528 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800022016e60 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=281812 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff8000220189e8,0xffffffff82688aa0 process=0xffff800020ecf730 user=0xffff800022012000, vmspace=0xfffffd80668f8180 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 16053 287454 95695 0 7 0 syz-executor.0 *16053 281812 95695 0 7 0x4000000 syz-executor.0 3644 15268 0 0 3 0x14200 bored sosplice 9373 348184 0 0 3 0x14280 nfsidl nfsio 10311 260707 0 0 3 0x14280 nfsidl nfsio 1601 190794 0 0 3 0x14280 nfsidl nfsio 16317 373162 0 0 3 0x14280 nfsidl nfsio 8083 383699 0 0 3 0x14280 nfsidl nfsio 88377 426276 0 0 3 0x14280 nfsidl nfsio 36940 117566 0 0 3 0x14280 nfsidl nfsio 94238 109715 0 0 3 0x14280 nfsidl nfsio 76228 472819 0 0 3 0x14280 nfsidl nfsio 31215 13002 0 0 3 0x14280 nfsidl nfsio 33515 486295 0 0 3 0x14280 nfsidl nfsio 69249 401754 0 0 3 0x14280 nfsidl nfsio 1086 454899 0 0 3 0x14280 nfsidl nfsio 72105 244912 0 0 3 0x14280 nfsidl nfsio 35616 309836 0 0 3 0x14280 nfsidl nfsio 6719 489765 0 0 3 0x14280 nfsidl nfsio 71425 268850 0 0 3 0x14280 nfsidl nfsio 48366 249449 0 0 3 0x14280 nfsidl nfsio 22815 245203 0 0 3 0x14280 nfsidl nfsio 27596 288590 0 0 3 0x14280 nfsidl nfsio 37587 93130 0 0 3 0x14200 acct acct 31101 486912 23790 0 3 0x2 biowait syz-executor.1 95695 312540 23790 0 3 0x82 nanosleep syz-executor.0 23790 77621 70116 0 3 0x82 thrsleep syz-fuzzer 23790 181096 70116 0 3 0x4000082 nanosleep syz-fuzzer 23790 395581 70116 0 3 0x4000082 thrsleep syz-fuzzer 23790 429736 70116 0 3 0x4000082 thrsleep syz-fuzzer 23790 211513 70116 0 3 0x4000082 thrsleep syz-fuzzer 23790 465800 70116 0 3 0x4000082 thrsleep syz-fuzzer 23790 93043 70116 0 3 0x4000082 kqread syz-fuzzer 23790 323667 70116 0 3 0x4000082 thrsleep syz-fuzzer 23790 501432 70116 0 3 0x4000082 nanosleep syz-fuzzer 23790 166858 70116 0 3 0x4000082 thrsleep syz-fuzzer 23790 404936 70116 0 3 0x4000082 thrsleep syz-fuzzer 70116 286947 154 0 3 0x10008a pause ksh 154 111107 50018 0 3 0x92 select sshd 69596 489242 1 0 3 0x100083 ttyin getty 50018 329280 1 0 3 0x80 select sshd 82279 326239 80320 74 3 0x100092 bpf pflogd 80320 427740 1 0 3 0x80 netio pflogd 82698 47397 47564 73 3 0x100090 kqread syslogd 47564 339244 1 0 3 0x100082 netio syslogd 33100 340078 1 77 3 0x100090 poll dhclient 58037 5621 1 0 3 0x80 poll dhclient 16094 268453 0 0 3 0x14200 bored smr 58145 40337 0 0 3 0x14200 pgzero zerothread 65389 78330 0 0 3 0x14200 aiodoned aiodoned 99518 240508 0 0 3 0x14200 syncer update 33538 366968 0 0 3 0x14200 cleaner cleaner 9425 36955 0 0 3 0x14200 reaper reaper 54132 175506 0 0 3 0x14200 pgdaemon pagedaemon 93995 327913 0 0 3 0x14200 bored crynlk 39418 273759 0 0 3 0x14200 bored crypto 3164 237040 0 0 3 0x40014200 acpi0 acpi0 81060 364744 0 0 3 0x40014200 idle1 22182 427562 0 0 3 0x14200 bored softnet 67269 504048 0 0 3 0x14200 bored systqmp 75060 320843 0 0 3 0x14200 bored systq 1501 487672 0 0 3 0x40014200 bored softclock 30747 159190 0 0 3 0x40014200 idle0 1 211147 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 16053 (syz-executor.0) thread 0xffff8000220193a8 (281812) exclusive rwlock netlock r = 0 (0xffffffff824fddc8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 in_ioctl+0x1f5 #2 ifioctl+0xe70 sys/net/if.c:2288 #3 soo_ioctl+0x27c sys/kern/sys_socket.c:138 #4 sys_ioctl+0x4a5 #5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82642d90) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 soo_ioctl+0x26a sys/kern/sys_socket.c:138 #2 sys_ioctl+0x4a5 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #4 Xsyscall+0x128 Process 31101 (syz-executor.1) thread 0xffff800020ed9398 (486912) exclusive rrwlock inode r = 0 (0xfffffd80688af2c0) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462 #3 ufs_ihashins+0x45 sys/ufs/ufs/ufs_ihash.c:140 #4 ffs_vget+0x13e sys/ufs/ffs/ffs_vfsops.c:1358 #5 ffs_inode_alloc+0x1cf sys/ufs/ffs/ffs_alloc.c:392 #6 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #7 VOP_MKDIR+0xc6 sys/kern/vfs_vops.c:450 #8 domkdirat+0x121 sys/kern/vfs_syscalls.c:3051 #9 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #9 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #10 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806b3494d8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:603 #4 vn_lock+0x81 sys/kern/vfs_vnops.c:575 #5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419 #6 namei+0x63c sys/kern/vfs_lookup.c:249 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3036 #8 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9549 6435K 7136K 78643K 12203 0 pcb 13 8K 8K 78643K 138 0 rtable 121 9K 11K 78643K 606 0 ifaddr 108 20K 21K 78643K 251 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 34K 78643K 65 0 ioctlops 0 0K 4K 78643K 1618 0 iov 0 0K 20K 78643K 84 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1707 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 15 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 186 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 877 0 sigio 0 0K 0K 78643K 11 0 proc 62 63K 95K 78643K 511 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 1K 78643K 1239 0 in_multi 75 3K 3K 78643K 186 0 ether_multi 1 0K 0K 78643K 22 0 mrt 0 0K 0K 78643K 4 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 277 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 143 137K 139K 78643K 3862 0 UVM aobj 21 2K 2K 78643K 32 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 132 0 NDP 16 0K 0K 78643K 36 0 temp 151 3049K 3117K 78643K 15855 0 kqueue 3 4K 24K 78643K 72 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 11 0 5 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 59 0 57 1 0 1 1 0 8 0 rtentry 112 92 0 53 2 0 2 2 0 8 0 unpcb 120 558 0 548 1 0 1 1 0 8 0 syncache 264 12 0 12 4 4 0 1 0 8 0 tcpqe 32 35 0 35 2 2 0 1 0 8 0 tcpcb 544 360 0 356 1 0 1 1 0 8 0 inpcb 280 1602 0 1594 3 2 1 2 0 8 0 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 12 0 11 1 0 1 1 0 8 0 pkpcb 40 6 0 6 2 2 0 1 0 8 0 swfcl 56 2 0 0 1 0 1 1 0 8 0 ppxss 1128 3 0 3 2 2 0 1 0 8 0 pfstscr 40 2 0 1 1 0 1 1 0 8 0 pffrag 232 4 0 4 2 1 1 1 0 482 1 pffrnode 88 4 0 4 2 1 1 1 0 8 1 pffrent 40 94 0 94 2 1 1 1 0 8 1 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 89 0 79 2 0 2 2 0 8 0 pftag 88 4 0 3 1 0 1 1 0 8 0 pfstitem 24 31 0 24 1 0 1 1 0 8 0 pfstkey 112 33 0 26 1 0 1 1 0 8 0 pfstate 328 30 0 25 3 1 2 3 0 8 0 pfrule 1360 54 0 31 3 1 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 462 0 291 15 4 11 13 0 8 0 art_table 32 464 0 291 2 0 2 2 0 8 0 art_node 16 91 0 54 1 0 1 1 0 8 0 sysvmsgpl 40 16 0 8 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 184 0 174 1 0 1 1 0 8 0 shmpl 112 30 0 12 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2643 0 1241 89 0 89 89 0 8 0 ffsino 272 2643 0 1241 95 0 95 95 0 8 0 nchpl 144 4278 0 2680 60 0 60 60 0 8 0 uvmvnodes 72 3030 0 0 56 0 56 56 0 8 0 vnodes 208 3030 0 0 160 0 160 160 0 8 0 namei 1024 11916 0 11915 3 2 1 1 0 8 0 percpumem 16 43 0 11 1 0 1 1 0 8 0 vcpupl 1984 11 0 0 2 0 2 2 0 8 0 vmpool 560 18 0 7 1 0 1 1 0 8 0 pfiaddrpl 120 27 0 19 1 0 1 1 0 8 0 scxspl 192 11764 0 11763 15 14 1 7 0 8 0 plimitpl 152 58 0 50 1 0 1 1 0 8 0 sigapl 424 1114 0 1061 8 1 7 7 0 8 1 futexpl 56 14053 0 14053 3 2 1 1 0 8 1 knotepl 112 191 0 172 3 2 1 3 0 8 0 kqueuepl 144 160 0 158 1 0 1 1 0 8 0 pipelkpl 48 187 0 177 1 0 1 1 0 8 0 pipepl 120 374 0 355 2 0 2 2 0 8 1 fdescpl 496 1077 0 1061 3 0 3 3 0 8 0 filepl 152 7004 0 6903 5 0 5 5 0 8 1 lockfpl 104 148 0 147 1 0 1 1 0 8 0 lockfspl 48 57 0 56 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 22 0 11 1 0 1 1 0 8 0 ucredpl 96 722 0 712 1 0 1 1 0 8 0 zombiepl 144 1061 0 1061 1 0 1 1 0 8 1 processpl 984 1114 0 1061 7 0 7 7 0 8 0 procpl 624 3034 0 2970 6 0 6 6 0 8 0 srpgc 64 2 0 2 1 1 0 1 0 8 0 sosppl 128 7 0 7 3 2 1 1 0 8 1 sockpl 400 2230 0 2210 6 3 3 4 0 8 1 mcl64k 65536 14 0 0 2 0 2 2 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 9 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 8 0 0 1 0 1 1 0 8 0 mcl4k 4096 12 0 0 2 0 2 2 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 171 0 0 21 0 21 21 0 8 0 mtagpl 80 124 0 0 3 0 3 3 0 8 0 mbufpl 256 498 0 0 28 0 28 28 0 8 0 bufpl 280 5292 0 134 369 0 369 369 0 8 0 anonpl 16 118958 0 103557 106 27 79 81 0 124 12 amapchunkpl 152 6985 0 6824 37 27 10 21 0 158 2 amappl16 192 5641 0 4784 85 34 51 56 0 8 8 amappl15 184 4 0 3 2 1 1 1 0 8 0 amappl14 176 26 0 22 1 0 1 1 0 8 0 amappl13 168 28 0 25 1 0 1 1 0 8 0 amappl12 160 423 0 420 1 0 1 1 0 8 0 amappl11 152 64 0 48 1 0 1 1 0 8 0 amappl10 144 449 0 442 1 0 1 1 0 8 0 amappl9 136 388 0 387 1 0 1 1 0 8 0 amappl8 128 356 0 321 2 0 2 2 0 8 0 amappl7 120 116 0 105 1 0 1 1 0 8 0 amappl6 112 29 0 22 2 1 1 1 0 8 0 amappl5 104 1390 0 1373 1 0 1 1 0 8 0 amappl4 96 489 0 462 1 0 1 1 0 8 0 amappl3 88 138 0 132 1 0 1 1 0 8 0 amappl2 80 7689 0 7617 2 0 2 2 0 8 0 amappl1 72 32829 0 32386 23 13 10 18 0 8 0 amappl 80 3288 0 3231 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 31 0 11 1 0 1 1 0 8 0 uaddrrnd 24 1095 0 1068 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1095 0 1068 1 0 1 1 0 8 0 vmmpekpl 168 11318 0 11278 4 1 3 3 0 8 0 vmmpepl 168 136716 0 134683 139 35 104 111 0 357 13 vmsppl 368 1094 0 1068 3 0 3 3 0 8 0 pdppl 4096 2198 0 2147 7 0 7 7 0 8 0 pvpl 32 343184 0 324505 224 35 189 196 0 265 31 pmappl 232 1094 0 1068 2 0 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 290 0 12 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff824d1ff0) 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(ffffffff82642b88) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82642b88) at __mp_lock+0x127 sys/kern/kern_lock.c:147 intr_handler(ffff800021f9b0b0,ffff80000006ba00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:525 Xintr_ioapic_edge17_untramp() at Xintr_ioapic_edge17_untramp+0x19f uvm_map_inentry(ffff8000220189e8,ffff800022018a48,7f7ffffe9dd8,ffffffff82219ee6,ffffffff81dc4500,0) at uvm_map_inentry+0x16b sys/uvm/uvm_map.c:1900 syscall(ffff800021f9b280) at syscall+0x397 mi_syscall sys/sys/syscall_mi.h:81 [inline] syscall(ffff800021f9b280) at syscall+0x397 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe9ef0, count: 6 ddb{0}> trace x86_ipi_db(ffffffff824d1ff0) 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(ffffffff82642b88) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82642b88) at __mp_lock+0x127 sys/kern/kern_lock.c:147 intr_handler(ffff800021f9b0b0,ffff80000006ba00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:525 Xintr_ioapic_edge17_untramp() at Xintr_ioapic_edge17_untramp+0x19f uvm_map_inentry(ffff8000220189e8,ffff800022018a48,7f7ffffe9dd8,ffffffff82219ee6,ffffffff81dc4500,0) at uvm_map_inentry+0x16b sys/uvm/uvm_map.c:1900 syscall(ffff800021f9b280) at syscall+0x397 mi_syscall sys/sys/syscall_mi.h:81 [inline] syscall(ffff800021f9b280) at syscall+0x397 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe9ef0, count: -9 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(ffffffff822809d0) at panic+0x15c sys/kern/subr_prf.c:207 ifa_update_broadaddr(ffff8000009d5000,ffff800000a6fe00,ffff800022017150) at ifa_update_broadaddr+0x61 sys/net/if.c:3077 in_ioctl(80206913,ffff800022017140,ffff8000009d5000,1) at in_ioctl+0x5eb sys/netinet/in.c:320 ifioctl(fffffd806f6ee4b0,80206913,ffff800022017140,ffff8000220193a8) at ifioctl+0xe70 sys/net/if.c:2288 soo_ioctl(fffffd8066df91e0,80206913,ffff800022017140,ffff8000220193a8) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff8000220193a8,ffff800022017258,ffff8000220172a0) at sys_ioctl+0x4a5 syscall(ffff800022017320) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800022017320) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5b350b35070, count: 6 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff822809d0) at panic+0x15c sys/kern/subr_prf.c:207 ifa_update_broadaddr(ffff8000009d5000,ffff800000a6fe00,ffff800022017150) at ifa_update_broadaddr+0x61 sys/net/if.c:3077 in_ioctl(80206913,ffff800022017140,ffff8000009d5000,1) at in_ioctl+0x5eb sys/netinet/in.c:320 ifioctl(fffffd806f6ee4b0,80206913,ffff800022017140,ffff8000220193a8) at ifioctl+0xe70 sys/net/if.c:2288 soo_ioctl(fffffd8066df91e0,80206913,ffff800022017140,ffff8000220193a8) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff8000220193a8,ffff800022017258,ffff8000220172a0) at sys_ioctl+0x4a5 syscall(ffff800022017320) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800022017320) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5b350b35070, count: -9