panic: kernel diagnostic assertion "cifp != NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/net/route.c", line 1078 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 55156 55136 0 0x2 0 0K ifconfig 30593 39549 0 0x2 0 1 ifconfig db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e28f3) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309aac0,ffffffff83015c9a,436,ffffffff8300c9ec) at __assert+0x29 rtrequest(1,ffff80002a5bdd68,4,ffff80002a5bde10,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff800001537300,840100,ffff800001537358,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff8000015a7800,ffff800001537300,ffff80002a5be080,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff8000015a7800,ffff800001537300,ffff80002a5be080,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff80002a5be070,ffff8000015a7800) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff8000015e7a10,8040691a,ffff80002a5be070,ffff8000ffff67b8) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff8000015e7a10,8040691a,ffff80002a5be070,ffff8000ffff67b8) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff8000ffff67b8,ffff80002a5be250,ffff80002a5be1a0) at sys_ioctl+0x67c syscall(ffff80002a5be250) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a5be250) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71ad8874c790, count: 4 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: kernel diagnostic assertion "cifp != NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/net/route.c", line 1078 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e28f3) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309aac0,ffffffff83015c9a,436,ffffffff8300c9ec) at __assert+0x29 rtrequest(1,ffff80002a5bdd68,4,ffff80002a5bde10,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff800001537300,840100,ffff800001537358,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff8000015a7800,ffff800001537300,ffff80002a5be080,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff8000015a7800,ffff800001537300,ffff80002a5be080,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff80002a5be070,ffff8000015a7800) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff8000015e7a10,8040691a,ffff80002a5be070,ffff8000ffff67b8) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff8000015e7a10,8040691a,ffff80002a5be070,ffff8000ffff67b8) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff8000ffff67b8,ffff80002a5be250,ffff80002a5be1a0) at sys_ioctl+0x67c syscall(ffff80002a5be250) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a5be250) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71ad8874c790, count: -11 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a5bdb60 rbx 0xffffffff834e9d87 cpu_info_full_primary+0x2d87 rdx 0 rcx 0xffff8000ffff67b8 rax 0xffffffff834e8ff0 cpu_info_full_primary+0x1ff0 r8 0 r9 0x8080808080808080 r10 0x44d0ecd841761470 r11 0xf7d91d6442c74b18 r12 0xffffffff834e9b88 cpu_info_full_primary+0x2b88 r13 0 r14 0 r15 0x1 rip 0xffffffff81425995 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a5bdb50 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (ifconfig) tid=55156 pid=55136 tcnt=1 stat=onproc flags process=2 proc=0 runpri=50, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff76e8,0xffffffff835c8bb8 process=0xffff80002a651fc0 user=0xffff80002a5b9000, vmspace=0xfffffd806c42a388 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *55136 55156 4159 0 7 0x2 ifconfig 39549 30593 92060 0 7 0x2 ifconfig 4159 298152 73635 0 3 0x10008a sigsusp sh 92060 153162 29080 0 3 0x10008a sigsusp sh 29080 205714 96031 0 3 0x82 wait syz-executor 73635 463984 96031 0 3 0x82 wait syz-executor 31378 328868 96031 0 3 0x82 piperd syz-executor 9517 235372 96031 0 3 0x82 piperd syz-executor 4683 458341 96031 0 3 0x82 piperd syz-executor 98806 85578 96031 0 3 0x82 piperd syz-executor 7242 493310 96031 0 3 0x82 piperd syz-executor 84231 204727 1 0 3 0x100083 ttyin getty 52304 451685 0 0 3 0x14280 nfsidl nfsio 59862 275921 0 0 3 0x14280 nfsidl nfsio 76128 126412 0 0 3 0x14280 nfsidl nfsio 91613 73573 0 0 3 0x14280 nfsidl nfsio 80883 208556 0 0 3 0x14280 nfsidl nfsio 19407 56556 0 0 3 0x14280 nfsidl nfsio 522 199773 0 0 3 0x14280 nfsidl nfsio 1595 280327 0 0 3 0x14280 nfsidl nfsio 36471 207420 0 0 3 0x14280 nfsidl nfsio 15216 333075 0 0 3 0x14280 nfsidl nfsio 43824 87213 0 0 3 0x14280 nfsidl nfsio 21131 515640 0 0 3 0x14280 nfsidl nfsio 11560 210226 0 0 3 0x14280 nfsidl nfsio 75975 61239 0 0 3 0x14280 nfsidl nfsio 32020 12569 0 0 3 0x14280 nfsidl nfsio 61826 402681 0 0 3 0x14280 nfsidl nfsio 23878 232407 0 0 3 0x14280 nfsidl nfsio 6051 241452 0 0 3 0x14280 nfsidl nfsio 78172 353022 0 0 3 0x14280 nfsidl nfsio 85597 204216 0 0 3 0x14280 nfsidl nfsio 58617 320607 0 0 3 0x14200 bored sosplice 96031 310556 54606 0 3 0x82 wait syz-executor 54606 364186 61153 0 3 0x10008a sigsusp ksh 61153 328516 21251 0 3 0x98 kqread sshd-session 21251 81038 57224 0 3 0x92 kqread sshd-session 57224 456902 1 0 3 0x88 kqread sshd 75482 23633 56853 74 3 0x1100092 bpf pflogd 56853 463869 1 0 3 0x80 sbwait pflogd 78991 18103 26312 73 2 0x1100010 syslogd 26312 467012 1 0 3 0x100082 sbwait syslogd 99182 61437 1 0 3 0x100080 kqread resolvd 24067 50193 88951 77 3 0x100092 kqread dhcpleased 39091 147998 88951 77 3 0x100092 kqread dhcpleased 88951 66176 1 0 3 0x80 kqread dhcpleased 60838 262703 0 0 3 0x14200 bored smr 43044 477378 0 0 2 0x14200 zerothread 91958 160409 0 0 3 0x14200 aiodoned aiodoned 39018 322735 0 0 3 0x14200 syncer update 11889 373319 0 0 3 0x14200 cleaner cleaner 54699 135322 0 0 3 0x14200 reaper reaper 95585 59052 0 0 3 0x14200 pgdaemon pagedaemon 75769 124939 0 0 3 0x14200 bored viomb 81701 6137 0 0 3 0x40014200 acpi0 acpi0 86884 197459 0 0 3 0x40014200 idle1 35468 490587 0 0 3 0x14200 bored softnet3 26246 426521 0 0 3 0x14200 bored softnet2 5717 275617 0 0 3 0x14200 bored softnet1 53966 218980 0 0 3 0x14200 bored softnet0 92348 288149 0 0 3 0x14200 bored systqmp 70272 471778 0 0 3 0x14200 bored systq 23497 146397 0 0 3 0x14200 tmoslp softclockmp 48044 424040 0 0 2 0x40014200 softclock 84994 176826 0 0 3 0x40014200 idle0 1 509683 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 55136 (ifconfig) thread 0xffff8000ffff67b8 (55156) exclusive rwlock netlock r = 0 (0xffffffff83416690) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 in_ioctl_change_ifaddr+0xbe sys/netinet/in.c:413 #2 ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] #2 ifioctl+0x1571 sys/net/if.c:2449 #3 sys_ioctl+0x67c #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff835c5e80) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 ifioctl+0x47f sys/net/if.c:2096 #2 sys_ioctl+0x67c #3 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #3 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #4 Xsyscall+0x128 Process 39549 (ifconfig) thread 0xffff8000ffff76e8 (30593) exclusive rwlock vmmaplk r = 0 (0xfffffd806c42aec8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0x143 sys/uvm/uvm_map.c:5252 #3 uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1779 #4 uvm_fault_check+0x83e uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] #4 uvm_fault_check+0x83e sys/uvm/uvm_fault.c:710 #5 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 Process 78991 (syslogd) thread 0xffff8000ffffcf40 (18103) exclusive rrwlock inode r = 0 (0xfffffd806e16b1b0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 sys_fsync+0x152 sys/kern/vfs_syscalls.c:2926 #6 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10239 14218K 14596K 166960K 12452 0 pcb 17 16K 20K 166960K 238 0 rtable 197 7K 9K 166960K 1666 0 pf 47 20K 24K 166960K 209 0 ifaddr 38 6K 8K 166960K 207 0 ifgroup 64 2K 2K 166960K 249 0 sysctl 3 0K 0K 166960K 5 0 counters 68 36K 37K 166960K 160 0 ioctlops 0 0K 4K 166960K 1729 0 iov 0 0K 16K 166960K 98 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1432 90K 90K 166960K 2569 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 19 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 74 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 14 49K 89K 166960K 1515 0 sigio 0 0K 0K 166960K 18 0 proc 80 103K 128K 166960K 1679 0 subproc 104 6K 7K 166960K 599 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 108 0 in_multi 67 5K 7K 166960K 519 0 ether_multi 1 0K 0K 166960K 9 0 mrt 0 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 259 1155K 1155K 166960K 259 0 exec 0 0K 1K 166960K 1027 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 179 71K 91K 166960K 13692 0 UVM aobj 63 7K 7K 166960K 68 0 pinsyscall 39 78K 102K 166960K 3593 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 39 0 NDP 22 1K 1K 166960K 148 0 temp 75 6824K 6946K 166960K 54978 0 kqueue 13 20K 30K 166960K 162 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 173 0 170 1 0 1 1 0 8 0 rtentry 112 557 0 470 5 1 4 4 0 8 0 unpcb 144 822 0 805 8 7 1 6 0 8 0 syncache 336 14 0 14 7 7 0 1 0 8 0 tcpqe 32 4 0 4 2 2 0 1 0 8 0 tcpcb 808 449 0 445 10 9 1 8 0 8 0 arp 120 102 0 87 1 0 1 1 0 8 0 ipq 40 1 0 1 1 1 0 1 0 8 0 ipqe 40 3 0 3 1 1 0 1 0 8 0 inpcb 336 1391 0 1380 25 23 2 15 0 8 0 nd6 136 142 0 126 1 0 1 1 0 8 0 pkpcb 40 9 0 9 4 4 0 1 0 8 0 kcovpl 48 46 0 38 1 0 1 1 0 8 0 ppxss 1168 3 0 3 2 2 0 1 0 8 0 pfstscr 40 69 0 69 3 3 0 1 0 8 0 pffrag 232 9 0 7 2 1 1 1 0 482 0 pffrnode 88 9 0 7 2 1 1 1 0 8 0 pffrent 40 99 0 97 2 1 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 7 0 6 2 1 1 1 0 8 0 pfanchor 1288 3 0 2 2 1 1 1 0 8 0 pftag 88 8 0 4 1 0 1 1 0 8 0 pfqueue 264 2 0 1 1 0 1 1 0 8 0 pfstitem 24 71 0 66 1 0 1 1 0 8 0 pfstkey 128 210 0 206 2 0 2 2 0 8 0 pfstate 376 140 0 136 6 2 4 5 0 8 1 pfrule 1344 32 0 22 2 1 1 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 2145 0 1809 33 3 30 30 0 8 4 art_table 32 2148 0 1809 4 0 4 4 0 8 0 art_node 16 552 0 474 1 0 1 1 0 8 0 sysvmsgpl 40 20 0 15 1 0 1 1 0 8 0 semapl 112 71 0 61 1 0 1 1 0 8 0 shmpl 112 65 0 5 2 0 2 2 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 3109 0 1533 99 0 99 99 0 8 0 ffsino 272 3109 0 1533 106 0 106 106 0 8 0 nchpl 144 4569 0 3997 66 41 25 65 0 8 0 uvmvnodes 80 4192 0 0 86 0 86 86 0 8 0 vnodes 216 4192 0 0 233 0 233 233 0 8 0 namei 1024 19789 0 19789 4 3 1 2 0 8 1 percpumem 16 94 0 46 1 0 1 1 0 8 0 pfiaddrpl 120 2 0 2 1 1 0 1 0 8 0 kstatmem 264 120 0 92 5 2 3 3 0 8 0 scxspl 216 27407 0 27407 13 12 1 8 1 8 1 plimitpl 152 227 0 210 1 0 1 1 0 8 0 sigapl 424 1770 0 1703 11 2 9 9 0 8 0 futexpl 64 13691 0 13691 5 4 1 1 0 8 1 knotepl 120 614 0 0 17 0 17 17 0 8 0 kqueuepl 216 248 0 239 1 0 1 1 0 8 0 pipepl 320 389 0 362 8 5 3 8 0 8 0 fdescpl 496 1731 0 1703 6 1 5 5 0 8 0 filepl 152 9764 0 9526 37 26 11 19 0 8 0 lockfpl 104 267 0 265 1 0 1 1 0 8 0 lockfspl 48 114 0 112 1 0 1 1 0 8 0 sessionpl 144 71 0 62 1 0 1 1 0 8 0 pgrppl 48 125 0 108 1 0 1 1 0 8 0 ucredpl 104 1239 0 1225 1 0 1 1 0 8 0 zombiepl 144 1704 0 1703 3 2 1 1 0 8 0 processpl 1160 1770 0 1703 7 1 6 6 0 8 0 procpl 648 3237 0 3170 9 1 8 8 0 8 0 srpgc 96 17 0 17 6 6 0 1 0 8 0 sosppl 168 10 0 10 5 5 0 1 0 8 0 sockpl 664 2409 0 2380 27 23 4 17 0 8 0 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 244 0 0 31 0 31 31 0 8 0 mtagpl 96 10 0 0 1 0 1 1 0 8 0 mbufpl 256 630 0 0 35 0 35 35 0 8 0 bufpl 280 8526 0 2012 466 0 466 466 0 8 0 anonpl 24 296254 0 293149 115 64 51 74 0 185 11 amapchunkpl 152 43502 0 43190 52 23 29 32 0 158 13 amappl16 200 6134 0 6126 57 47 10 15 0 8 8 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 206 0 194 1 0 1 1 0 8 0 amappl13 176 13 0 13 1 1 0 1 0 8 0 amappl12 168 2965 0 2937 3 1 2 2 0 8 0 amappl11 160 51 0 36 1 0 1 1 0 8 0 amappl10 152 7 0 7 1 1 0 1 0 8 0 amappl9 144 143 0 143 2 2 0 1 0 8 0 amappl8 136 23 0 21 1 0 1 1 0 8 0 amappl7 128 190 0 178 1 0 1 1 0 8 0 amappl6 120 536 0 530 1 0 1 1 0 8 0 amappl5 112 291 0 277 1 0 1 1 0 8 0 amappl4 104 463 0 442 1 0 1 1 0 8 0 amappl3 96 8687 0 8615 4 0 4 4 0 8 0 amappl2 88 1298 0 1224 2 0 2 2 0 8 0 amappl1 80 16385 0 15822 17 2 15 15 0 8 0 amappl 88 12926 0 12809 6 1 5 5 0 92 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 67 0 5 2 0 2 2 0 8 0 uaddrrnd 24 1731 0 1703 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1731 0 1703 1 0 1 1 0 8 0 vmmpekpl 168 16686 0 16638 4 1 3 3 0 8 0 vmmpepl 168 115096 0 113552 124 34 90 98 0 357 6 vmsppl 440 1730 0 1703 6 2 4 5 0 8 0 rwobjpl 56 39775 0 34629 76 1 75 75 0 8 0 pdppl 4096 3469 0 3406 173 106 67 83 0 8 4 pvpl 32 29733 0 0 240 1 239 239 0 265 0 pmappl 248 1730 0 1703 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 539 0 156 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e28f3) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309aac0,ffffffff83015c9a,436,ffffffff8300c9ec) at __assert+0x29 rtrequest(1,ffff80002a5bdd68,4,ffff80002a5bde10,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff800001537300,840100,ffff800001537358,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff8000015a7800,ffff800001537300,ffff80002a5be080,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff8000015a7800,ffff800001537300,ffff80002a5be080,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff80002a5be070,ffff8000015a7800) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff8000015e7a10,8040691a,ffff80002a5be070,ffff8000ffff67b8) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff8000015e7a10,8040691a,ffff80002a5be070,ffff8000ffff67b8) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff8000ffff67b8,ffff80002a5be250,ffff80002a5be1a0) at sys_ioctl+0x67c syscall(ffff80002a5be250) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a5be250) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71ad8874c790, count: -11 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff835c5c78) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835c5c78) at __mp_lock+0x199 sys/kern/kern_lock.c:144 syscall(ffff80002a114a40) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a114a40) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b95719f1fe0, count: 9 ddb{1}> trace x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff835c5c78) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835c5c78) at __mp_lock+0x199 sys/kern/kern_lock.c:144 syscall(ffff80002a114a40) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a114a40) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b95719f1fe0, count: -6