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 *492819 2286 0 0x2 0 0K ifconfig 482476 54370 0 0x14000 0x200 1 reaper db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e2b0f) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309c06f,ffffffff830175ad,436,ffffffff8300e193) at __assert+0x29 rtrequest(1,ffff80002a0dbdd8,4,ffff80002a0dbe80,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff80000130fe00,840100,ffff80000130fe58,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff8000012b6800,ffff80000130fe00,ffff80002a0dc0f0,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff8000012b6800,ffff80000130fe00,ffff80002a0dc0f0,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff80002a0dc0e0,ffff8000012b6800) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff8000012fb790,8040691a,ffff80002a0dc0e0,ffff8000ffff2a40) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff8000012fb790,8040691a,ffff80002a0dc0e0,ffff8000ffff2a40) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff8000ffff2a40,ffff80002a0dc2c0,ffff80002a0dc210) at sys_ioctl+0x67c syscall(ffff80002a0dc2c0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0dc2c0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a9bc2155ab0, 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(ffffffff830e2b0f) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309c06f,ffffffff830175ad,436,ffffffff8300e193) at __assert+0x29 rtrequest(1,ffff80002a0dbdd8,4,ffff80002a0dbe80,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff80000130fe00,840100,ffff80000130fe58,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff8000012b6800,ffff80000130fe00,ffff80002a0dc0f0,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff8000012b6800,ffff80000130fe00,ffff80002a0dc0f0,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff80002a0dc0e0,ffff8000012b6800) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff8000012fb790,8040691a,ffff80002a0dc0e0,ffff8000ffff2a40) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff8000012fb790,8040691a,ffff80002a0dc0e0,ffff8000ffff2a40) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff8000ffff2a40,ffff80002a0dc2c0,ffff80002a0dc210) at sys_ioctl+0x67c syscall(ffff80002a0dc2c0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0dc2c0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a9bc2155ab0, count: -11 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a0dbbd0 rbx 0xffffffff8341adcf cpu_info_full_primary+0x2dcf rdx 0 rcx 0xffff8000ffff2a40 rax 0xffffffff83419ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xa15ab98f0a794f07 r11 0xb10211499fb53ff0 r12 0xffffffff8341abd0 cpu_info_full_primary+0x2bd0 r13 0 r14 0 r15 0x1 rip 0xffffffff82a20b35 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a0dbbc0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (ifconfig) tid=492819 pid=2286 tcnt=1 stat=onproc flags process=2 proc=0 runpri=73, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800029fd9be0,0xffffffff83555b00 process=0xffff8000357b0918 user=0xffff80002a0d7000, vmspace=0xfffffd806c479a68 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND * 2286 492819 20079 0 7 0x2 ifconfig 20079 419447 27809 0 3 0x10008a sigsusp sh 88768 354757 63668 0 2 0x2 sh 66708 386712 1926 0 2 0x100002 sh 63668 451584 10806 0 3 0x82 wait syz-executor 1926 469302 10806 0 3 0x82 wait syz-executor 85200 445557 10806 0 3 0x82 wait syz-executor 27809 239428 10806 0 3 0x82 wait syz-executor 87454 332884 1 0 3 0x100083 ttyopn getty 86207 378011 0 0 3 0x14200 acct acct 98060 240000 10806 0 3 0x82 piperd syz-executor 89454 472802 10806 0 3 0x82 piperd syz-executor 50501 503910 10806 0 3 0x82 piperd syz-executor 26188 502599 0 0 3 0x14280 nfsidl nfsio 50489 455251 0 0 3 0x14280 nfsidl nfsio 93929 501422 0 0 3 0x14280 nfsidl nfsio 99833 318918 0 0 3 0x14280 nfsidl nfsio 75570 10315 0 0 3 0x14280 nfsidl nfsio 66423 426195 0 0 3 0x14280 nfsidl nfsio 59024 288778 0 0 3 0x14280 nfsidl nfsio 82929 153167 0 0 3 0x14280 nfsidl nfsio 35047 79462 0 0 3 0x14280 nfsidl nfsio 29437 17116 0 0 3 0x14280 nfsidl nfsio 16104 358207 0 0 3 0x14280 nfsidl nfsio 15469 350495 0 0 3 0x14280 nfsidl nfsio 56287 187431 0 0 3 0x14280 nfsidl nfsio 11416 260228 0 0 3 0x14280 nfsidl nfsio 20091 302642 0 0 3 0x14280 nfsidl nfsio 29003 309716 0 0 3 0x14280 nfsidl nfsio 78733 504022 0 0 3 0x14280 nfsidl nfsio 50162 405051 0 0 3 0x14280 nfsidl nfsio 72125 148946 0 0 3 0x14280 nfsidl nfsio 26484 206051 0 0 3 0x14280 nfsidl nfsio 72162 465855 0 0 3 0x14200 bored sosplice 10806 512449 58712 0 3 0x82 wait syz-executor 58712 390726 82814 0 3 0x10008a sigsusp ksh 82814 194258 27175 0 3 0x98 kqread sshd-session 27175 513208 24768 0 3 0x92 kqread sshd-session 24768 426847 1 0 3 0x88 kqread sshd 93119 7935 97872 74 3 0x1100092 bpf pflogd 97872 67106 1 0 3 0x80 sbwait pflogd 59074 197025 5609 73 2 0x1100010 syslogd 5609 207093 1 0 3 0x100082 sbwait syslogd 84823 402197 1 0 3 0x100080 kqread resolvd 33947 290894 16335 77 3 0x100092 kqread dhcpleased 41504 477008 16335 77 3 0x100092 kqread dhcpleased 16335 81239 1 0 3 0x80 kqread dhcpleased 92304 194683 0 0 3 0x14200 bored smr 30566 103202 0 0 2 0x14200 zerothread 13792 267198 0 0 3 0x14200 aiodoned aiodoned 12829 69285 0 0 3 0x14200 syncer update 86392 492107 0 0 3 0x14200 cleaner cleaner 54370 482476 0 0 7 0x14200 reaper 93511 255053 0 0 3 0x14200 pgdaemon pagedaemon 87342 257777 0 0 3 0x14200 bored viomb 63996 343498 0 0 3 0x40014200 acpi0 acpi0 21730 249225 0 0 3 0x40014200 idle1 21010 493179 0 0 3 0x14200 bored softnet3 4185 77521 0 0 3 0x14200 bored softnet2 80690 79091 0 0 3 0x14200 bored softnet1 1563 431266 0 0 3 0x14200 bored softnet0 13286 192754 0 0 3 0x14200 bored systqmp 89565 401659 0 0 3 0x14200 bored systq 79336 110516 0 0 3 0x14200 tmoslp softclockmp 47026 331079 0 0 2 0x40014200 softclock 1811 311472 0 0 3 0x40014200 idle0 1 7833 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 1: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff835f74c8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 uvm_anfree_list+0xeb sys/uvm/uvm_anon.c:104 #4 amap_wipeout+0x248 sys/uvm/uvm_amap.c:502 #5 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #6 uvm_map_teardown+0x35e sys/uvm/uvm_map.c:2518 #7 uvmspace_free+0xcd sys/uvm/uvm_map.c:3422 #8 reaper+0x246 sys/kern/kern_exit.c:480 #9 proc_trampoline+0x10 Process 2286 (ifconfig) thread 0xffff8000ffff2a40 (492819) exclusive rwlock netlock r = 0 (0xffffffff834dc4b0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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 (0xffffffff835f5ce0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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 59074 (syslogd) thread 0xffff8000ffffdbe8 (197025) exclusive rrwlock inode r = 0 (0xfffffd806e4060a0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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 Process 54370 (reaper) thread 0xffff800029fd8f38 (482476) uvm_fault(0xfffffd806c479a68, 0x0, 0, 1) -> e kernel: page fault trap, code=0 Faulted in DDB; continuing... ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10231 11137K 11547K 166960K 13879 0 pcb 17 16K 18K 166960K 387 0 rtable 159 7K 10K 166960K 1886 0 pf 46 20K 28K 166960K 248 0 ifaddr 36 6K 8K 166960K 215 0 ifgroup 64 2K 3K 166960K 252 0 sysctl 3 1K 1K 166960K 7 0 counters 68 36K 37K 166960K 168 0 ioctlops 0 0K 4K 166960K 1730 0 iov 0 0K 24K 166960K 100 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1494 94K 94K 166960K 3298 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 23 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 59 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 14 49K 97K 166960K 2108 0 sigio 0 0K 0K 166960K 135 0 proc 79 103K 152K 166960K 1655 0 subproc 104 6K 6K 166960K 593 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 219 0 in_multi 45 3K 7K 166960K 525 0 ether_multi 1 0K 0K 166960K 8 0 mrt 1 0K 0K 166960K 9 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 223 996K 996K 166960K 223 0 exec 0 0K 1K 166960K 1023 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 184 71K 95K 166960K 19266 0 UVM aobj 41 4K 6K 166960K 44 0 pinsyscall 39 78K 106K 166960K 4142 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 130 0 NDP 14 0K 2K 166960K 150 0 temp 78 6824K 7080K 166960K 94940 0 kqueue 13 20K 32K 166960K 267 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 120 191 0 188 1 0 1 1 0 8 0 rtentry 112 642 0 578 4 1 3 4 0 8 0 unpcb 144 1182 0 1163 11 10 1 4 0 8 0 syncache 336 11 0 11 5 5 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 647 0 643 19 18 1 8 0 8 0 arp 120 129 0 113 1 0 1 1 0 8 0 inpcb 336 2551 0 2540 35 33 2 12 0 8 0 nd6 136 135 0 123 1 0 1 1 0 8 0 pkpcb 40 8 0 8 5 5 0 1 0 8 0 kcovpl 48 45 0 37 1 0 1 1 0 8 0 ppxss 1168 8 0 8 3 3 0 1 0 8 0 pfstscr 40 35 0 35 2 2 0 1 0 8 0 pffrag 232 13 0 9 2 1 1 1 0 482 0 pffrnode 88 11 0 8 2 1 1 1 0 8 0 pffrent 40 62 0 58 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 4 0 1 1 0 1 1 0 8 0 pfanchor 1288 6 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 168 0 110 1 0 1 1 0 8 0 pfstkey 128 236 0 178 3 0 3 3 0 8 0 pfstate 376 201 0 144 8 0 8 8 0 8 0 pfrule 1344 37 0 27 2 1 1 2 0 8 0 art_heap8 4096 4 0 1 3 0 3 3 0 8 0 art_heap4 256 2126 0 1910 32 5 27 29 0 8 5 art_table 32 2130 0 1911 4 0 4 4 0 8 0 art_node 16 629 0 575 1 0 1 1 0 8 0 sysvmsgpl 40 18 0 12 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 56 0 46 1 0 1 1 0 8 0 shmpl 112 41 0 3 2 0 2 2 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 4324 0 2747 99 0 99 99 0 8 0 ffsino 272 4324 0 2747 106 0 106 106 0 8 0 nchpl 144 6676 0 6093 65 40 25 65 0 8 0 uvmvnodes 80 5868 0 0 120 0 120 120 0 8 0 vnodes 216 5868 0 0 326 0 326 326 0 8 0 namei 1024 25627 0 25627 6 5 1 2 0 8 1 percpumem 16 98 0 50 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 128 0 100 4 1 3 3 0 8 0 scsiplug 72 4 0 4 2 2 0 1 0 8 0 scxspl 216 49604 0 49604 14 13 1 8 1 8 1 plimitpl 152 461 0 444 1 0 1 1 0 8 0 sigapl 424 2374 0 2305 10 1 9 9 0 8 0 futexpl 64 22911 0 22911 3 3 0 1 0 8 0 knotepl 120 651 0 0 18 0 18 18 0 8 0 kqueuepl 216 560 0 551 10 9 1 5 0 8 0 pipepl 320 422 0 395 7 4 3 7 0 8 0 fdescpl 496 2334 0 2306 11 6 5 6 0 8 0 filepl 152 14111 0 13873 38 27 11 17 0 8 0 lockfpl 104 766 0 764 2 1 1 2 0 8 0 lockfspl 48 308 0 306 1 0 1 1 0 8 0 sessionpl 144 67 0 58 1 0 1 1 0 8 0 pgrppl 48 138 0 121 1 0 1 1 0 8 0 ucredpl 104 2003 0 1988 1 0 1 1 0 8 0 zombiepl 144 2307 0 2305 2 1 1 1 0 8 0 processpl 1160 2374 0 2305 7 1 6 6 0 8 0 procpl 648 4852 0 4783 8 0 8 8 0 8 0 srpgc 96 16 0 16 4 4 0 1 0 8 0 sosppl 168 9 0 9 5 5 0 1 0 8 0 sockpl 664 3960 0 3928 41 37 4 14 0 8 0 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 154 0 0 18 0 18 18 0 8 0 mcl2k 2048 57 0 0 7 3 4 5 0 8 0 mtagpl 96 111 0 0 3 0 3 3 0 8 0 mbufpl 256 1309 0 0 77 0 77 77 0 8 0 bufpl 280 11989 0 4213 557 0 557 557 0 8 0 anonpl 24 392326 0 388935 210 157 53 101 0 185 9 amapchunkpl 152 64217 0 63881 100 67 33 43 0 158 11 amappl16 200 7855 0 7843 61 53 8 16 0 8 2 amappl15 192 35 0 35 1 1 0 1 0 8 0 amappl14 184 200 0 188 1 0 1 1 0 8 0 amappl13 176 16 0 16 3 3 0 1 0 8 0 amappl12 168 3541 0 3513 4 2 2 3 0 8 0 amappl11 160 55 0 40 1 0 1 1 0 8 0 amappl10 152 9 0 8 2 1 1 1 0 8 0 amappl9 144 132 0 132 1 1 0 1 0 8 0 amappl8 136 26 0 23 1 0 1 1 0 8 0 amappl7 128 194 0 182 1 0 1 1 0 8 0 amappl6 120 510 0 504 1 0 1 1 0 8 0 amappl5 112 280 0 267 1 0 1 1 0 8 0 amappl4 104 447 0 427 1 0 1 1 0 8 0 amappl3 96 12760 0 12687 6 2 4 4 0 8 1 amappl2 88 1253 0 1181 2 0 2 2 0 8 0 amappl1 80 17320 0 16764 15 1 14 15 0 8 0 amappl 88 18440 0 18318 5 0 5 5 0 92 0 dma16384 16384 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 7 0 7 2 2 0 1 0 8 0 dma128 128 254 0 254 2 2 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 72 43 0 3 1 0 1 1 0 8 0 uaddrrnd 24 2334 0 2306 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2334 0 2306 1 0 1 1 0 8 0 vmmpekpl 168 20223 0 20164 4 0 4 4 0 8 0 vmmpepl 168 148454 0 146900 128 39 89 99 0 357 5 vmsppl 440 2333 0 2306 6 2 4 5 0 8 0 rwobjpl 56 48189 0 41390 102 6 96 97 0 8 0 pdppl 4096 4675 0 4612 185 114 71 87 0 8 8 pvpl 32 44140 0 0 356 0 356 356 0 265 0 pmappl 248 2333 0 2306 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 606 0 190 13 0 13 13 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(ffffffff830e2b0f) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309c06f,ffffffff830175ad,436,ffffffff8300e193) at __assert+0x29 rtrequest(1,ffff80002a0dbdd8,4,ffff80002a0dbe80,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff80000130fe00,840100,ffff80000130fe58,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff8000012b6800,ffff80000130fe00,ffff80002a0dc0f0,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff8000012b6800,ffff80000130fe00,ffff80002a0dc0f0,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff80002a0dc0e0,ffff8000012b6800) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff8000012fb790,8040691a,ffff80002a0dc0e0,ffff8000ffff2a40) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff8000012fb790,8040691a,ffff80002a0dc0e0,ffff8000ffff2a40) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff8000ffff2a40,ffff80002a0dc2c0,ffff80002a0dc210) at sys_ioctl+0x67c syscall(ffff80002a0dc2c0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0dc2c0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a9bc2155ab0, 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(ffffffff835f5ad8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835f5ad8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 reaper(ffff800029fd8f38) at reaper+0x24b sys/kern/kern_exit.c:481 end trace frame: 0x0, count: 10 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(ffffffff835f5ad8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835f5ad8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 reaper(ffff800029fd8f38) at reaper+0x24b sys/kern/kern_exit.c:481 end trace frame: 0x0, count: -5