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 160600 50041 0 0x100002 0 0 sh *453979 97694 0 0x2 0 1K ifconfig db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e57db) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309a5aa,ffffffff830119a0,436,ffffffff830089af) at __assert+0x29 rtrequest(1,ffff800037270428,4,ffff8000372704d0,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff800000b5a600,840100,ffff800000b5a658,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff8000012bb800,ffff800000b5a600,ffff800037270740,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff8000012bb800,ffff800000b5a600,ffff800037270740,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff800037270730,ffff8000012bb800) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff80000128bc98,8040691a,ffff800037270730,ffff80002a04dbf8) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff80000128bc98,8040691a,ffff800037270730,ffff80002a04dbf8) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff80002a04dbf8,ffff800037270910,ffff800037270860) at sys_ioctl+0x67c syscall(ffff800037270910) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037270910) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70994d3aabc0, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: kernel diagnostic assertion "cifp != NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/net/route.c", line 1078 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e57db) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309a5aa,ffffffff830119a0,436,ffffffff830089af) at __assert+0x29 rtrequest(1,ffff800037270428,4,ffff8000372704d0,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff800000b5a600,840100,ffff800000b5a658,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff8000012bb800,ffff800000b5a600,ffff800037270740,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff8000012bb800,ffff800000b5a600,ffff800037270740,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff800037270730,ffff8000012bb800) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff80000128bc98,8040691a,ffff800037270730,ffff80002a04dbf8) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff80000128bc98,8040691a,ffff800037270730,ffff80002a04dbf8) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff80002a04dbf8,ffff800037270910,ffff800037270860) at sys_ioctl+0x67c syscall(ffff800037270910) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037270910) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70994d3aabc0, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800037270220 rbx 0xffff800029b7cdcf rdx 0 rcx 0xffff80002a04dbf8 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x35eb37e8955a676c r11 0x71c4d442491ca75f r12 0xffff800029b7cbd0 r13 0 r14 0 r15 0x1 rip 0xffffffff81d88135 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800037270210 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (ifconfig) tid=453979 pid=97694 tcnt=1 stat=onproc flags process=2 proc=0 runpri=72, usrpri=72, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a04c020,0xffff80002a04ca50 process=0xffff8000fffeb668 user=0xffff80003726b000, vmspace=0xfffffd806ebdc6e8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 50041 160600 35309 0 7 0x100002 sh 83947 117962 64840 0 3 0x2 clonelk ifconfig *97694 453979 33584 0 7 0x2 ifconfig 64840 265255 24650 0 3 0x10008a sigsusp sh 99113 392253 7175 0 3 0x2 clonelk ifconfig 33584 101049 17403 0 3 0x10008a sigsusp sh 7175 442256 51527 0 3 0x10008a sigsusp sh 24650 13155 59629 0 3 0x82 wait syz-executor 51527 132723 59629 0 3 0x82 wait syz-executor 17403 118809 59629 0 3 0x82 wait syz-executor 35309 357591 59629 0 3 0x82 wait syz-executor 49925 195597 0 0 3 0x14200 acct acct 87110 36846 0 0 3 0x14280 nfsidl nfsio 1090 204504 0 0 3 0x14280 nfsidl nfsio 93321 369114 0 0 3 0x14280 nfsidl nfsio 96788 260033 0 0 3 0x14280 nfsidl nfsio 38712 199846 0 0 3 0x14280 nfsidl nfsio 11642 514594 0 0 3 0x14280 nfsidl nfsio 55825 68537 0 0 3 0x14280 nfsidl nfsio 46665 359721 0 0 3 0x14280 nfsidl nfsio 74785 523355 0 0 3 0x14280 nfsidl nfsio 77771 301748 0 0 3 0x14280 nfsidl nfsio 38083 156425 0 0 3 0x14280 nfsidl nfsio 16491 182448 0 0 3 0x14280 nfsidl nfsio 16623 404865 0 0 3 0x14280 nfsidl nfsio 29702 75712 0 0 3 0x14280 nfsidl nfsio 98689 448029 0 0 3 0x14280 nfsidl nfsio 27470 146714 0 0 3 0x14280 nfsidl nfsio 4850 374329 0 0 3 0x14280 nfsidl nfsio 85408 56720 0 0 3 0x14280 nfsidl nfsio 38703 117780 0 0 3 0x14280 nfsidl nfsio 57569 82718 0 0 3 0x14280 nfsidl nfsio 11192 34194 1 0 3 0x100083 ttyin getty 47623 295865 0 0 3 0x14200 bored sosplice 88899 503999 59629 0 3 0x82 piperd syz-executor 70551 11002 59629 0 3 0x82 piperd syz-executor 70018 193300 59629 0 3 0x82 piperd syz-executor 59629 487604 31438 0 3 0x82 wait syz-executor 31438 451551 92051 0 3 0x10008a sigsusp ksh 92051 97709 1499 0 3 0x98 kqread sshd-session 1499 321239 30717 0 3 0x92 kqread sshd-session 30717 242993 1 0 3 0x88 kqread sshd 79251 47445 49158 74 3 0x1100092 bpf pflogd 49158 320522 1 0 3 0x80 sbwait pflogd 14059 325132 46364 73 3 0x1100010 ffs_fsync syslogd 46364 391334 1 0 3 0x100082 sbwait syslogd 86746 109170 1 0 3 0x100080 kqread resolvd 99840 161000 17283 77 3 0x100092 kqread dhcpleased 63992 368541 17283 77 3 0x100092 kqread dhcpleased 17283 216024 1 0 3 0x80 kqread dhcpleased 95939 25294 0 0 3 0x14200 bored smr 26439 203707 0 0 2 0x14200 zerothread 55 426851 0 0 3 0x14200 aiodoned aiodoned 83884 452768 0 0 3 0x14200 syncer update 16410 58219 0 0 3 0x14200 cleaner cleaner 32939 468565 0 0 3 0x14200 reaper reaper 16286 227604 0 0 3 0x14200 pgdaemon pagedaemon 67785 367567 0 0 3 0x14200 bored viomb 13851 345494 0 0 3 0x40014200 acpi0 acpi0 96474 14498 0 0 3 0x40014200 idle1 78518 32210 0 0 3 0x14200 bored softnet3 25886 6902 0 0 3 0x14200 bored softnet2 93453 248572 0 0 3 0x14200 bored softnet1 82075 275870 0 0 3 0x14200 bored softnet0 31081 402359 0 0 3 0x14200 bored systqmp 89443 406350 0 0 3 0x14200 bored systq 66317 329384 0 0 3 0x14200 tmoslp softclockmp 20061 185672 0 0 3 0x40014200 tmoslp softclock 74516 442050 0 0 3 0x40014200 idle0 1 227933 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 50041 (sh) thread 0xffff8000fffefc00 (160600) exclusive rwlock amaplk r = 0 (0xfffffd805da279b8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvm_fault_check+0x521 sys/uvm/uvm_fault.c:782 #2 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #3 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #4 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806cd2b478) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 #2 uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 #3 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #4 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #5 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #6 recall_trap+0x8 Process 97694 (ifconfig) thread 0xffff80002a04dbf8 (453979) exclusive rwlock netlock r = 0 (0xffffffff83499160) #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 (0xffffffff8356fdc8) #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 14059 (syslogd) thread 0xffff8000ffffd450 (325132) exclusive rrwlock inode r = 0 (0xfffffd806e40a4e0) #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10195 11121K 11449K 166960K 12128 0 pcb 17 16K 18K 166960K 292 0 rtable 125 5K 8K 166960K 545 0 pf 34 17K 25K 166960K 125 0 ifaddr 27 4K 7K 166960K 70 0 ifgroup 47 2K 2K 166960K 112 0 sysctl 2 0K 0K 166960K 2 0 counters 60 35K 36K 166960K 94 0 ioctlops 0 0K 4K 166960K 1573 0 iov 0 0K 16K 166960K 78 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1397 88K 89K 166960K 2092 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 13 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 131 0 dirhash 12 2K 2K 166960K 27 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 17 61K 89K 166960K 953 0 sigio 0 0K 0K 166960K 12 0 proc 93 128K 128K 166960K 717 0 subproc 104 6K 6K 166960K 169 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 81 0 in_multi 39 3K 7K 166960K 134 0 ether_multi 1 0K 0K 166960K 5 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 473 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 197 72K 78K 166960K 10260 0 UVM aobj 23 4K 4K 166960K 25 0 pinsyscall 42 84K 101K 166960K 2109 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 44 0 NDP 10 0K 1K 166960K 46 0 temp 62 6820K 6887K 166960K 86925 0 kqueue 13 20K 28K 166960K 138 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> 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 120 113 0 110 2 0 2 2 0 8 1 rtentry 112 148 0 98 4 0 4 4 0 8 0 unpcb 144 578 0 561 5 4 1 4 0 8 0 syncache 336 11 0 11 4 4 0 1 0 8 0 tcpqe 32 4 0 4 2 2 0 1 0 8 0 tcpcb 808 211 0 205 2 0 2 2 0 8 0 arp 120 24 0 12 1 0 1 1 0 8 0 inpcb 336 1084 0 1071 12 10 2 7 0 8 0 nd6 136 32 0 24 1 0 1 1 0 8 0 pkpcb 40 2 0 2 2 2 0 1 0 8 0 kcovpl 48 13 0 5 1 0 1 1 0 8 0 ppxss 1168 5 0 5 3 3 0 1 0 8 0 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 3 0 0 1 0 1 1 0 482 0 pffrnode 88 3 0 0 1 0 1 1 0 8 0 pffrent 40 5 0 2 1 0 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 3 1 0 1 1 0 8 0 pfanchor 1288 6 0 6 2 2 0 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 76 0 35 1 0 1 1 0 8 0 pfstkey 128 79 0 38 2 0 2 2 0 8 0 pfstate 376 73 0 36 5 0 5 5 0 8 0 pfrule 1344 39 0 31 2 0 2 2 0 8 0 art_heap8 4096 3 0 1 3 0 3 3 0 8 1 art_heap4 256 585 0 392 30 6 24 29 0 8 2 art_table 32 588 0 393 4 0 4 4 0 8 0 art_node 16 144 0 101 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 2 2 1 1 1 0 8 0 semapl 112 128 0 118 1 0 1 1 0 8 0 shmpl 112 22 0 2 1 0 1 1 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 3053 0 1548 95 0 95 95 0 8 0 ffsino 272 3053 0 1548 102 0 102 102 0 8 0 nchpl 144 4438 0 3893 63 40 23 63 0 8 0 uvmvnodes 80 3571 0 0 73 0 73 73 0 8 0 vnodes 216 3571 0 0 199 0 199 199 0 8 0 namei 1024 15386 0 15386 1 0 1 1 0 8 1 percpumem 16 61 0 17 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 1 1 1 0 1 0 8 0 kstatmem 264 54 0 34 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 1 0 1 0 8 0 scxspl 216 18185 0 18184 12 11 1 8 1 8 0 plimitpl 152 252 0 235 1 0 1 1 0 8 0 sigapl 424 1269 0 1198 10 1 9 9 0 8 0 futexpl 64 16729 0 16729 1 0 1 1 0 8 1 knotepl 120 794 0 0 25 0 25 25 0 8 0 kqueuepl 216 252 0 243 3 2 1 3 0 8 0 pipepl 320 219 0 192 6 3 3 6 0 8 0 fdescpl 496 1229 0 1198 6 1 5 5 0 8 0 filepl 152 7172 0 6933 22 12 10 16 0 8 0 lockfpl 104 261 0 259 1 0 1 1 0 8 0 lockfspl 48 113 0 111 1 0 1 1 0 8 0 sessionpl 144 32 0 23 1 0 1 1 0 8 0 pgrppl 48 115 0 98 1 0 1 1 0 8 0 ucredpl 104 1191 0 1178 1 0 1 1 0 8 0 zombiepl 144 1199 0 1198 1 0 1 1 0 8 0 processpl 1160 1269 0 1198 7 1 6 6 0 8 0 procpl 648 2523 0 2452 9 2 7 8 0 8 0 srpgc 96 8 0 8 3 3 0 1 0 8 0 sockpl 664 1784 0 1752 17 11 6 10 0 8 2 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 155 0 0 20 0 20 20 0 8 0 mcl2k 2048 30 0 0 4 0 4 4 0 8 0 mtagpl 96 37 0 0 1 0 1 1 0 8 0 mbufpl 256 197 0 0 12 0 12 12 0 8 0 bufpl 280 8791 0 2617 442 0 442 442 0 8 0 anonpl 24 265198 0 251684 121 2 119 119 0 185 16 amapchunkpl 152 33288 0 32823 40 4 36 36 0 158 11 amappl16 200 7761 0 7241 51 13 38 39 0 8 0 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 123 0 111 1 0 1 1 0 8 0 amappl13 176 16 0 16 1 1 0 1 0 8 0 amappl12 168 1914 0 1883 3 1 2 2 0 8 0 amappl11 160 57 0 43 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 1 0 1 0 8 0 amappl9 144 143 0 143 1 1 0 1 0 8 0 amappl8 136 38 0 35 1 0 1 1 0 8 0 amappl7 128 116 0 103 1 0 1 1 0 8 0 amappl6 120 195 0 187 1 0 1 1 0 8 0 amappl5 112 149 0 134 1 0 1 1 0 8 0 amappl4 104 329 0 309 1 0 1 1 0 8 0 amappl3 96 6908 0 6835 4 0 4 4 0 8 0 amappl2 88 757 0 681 2 0 2 2 0 8 0 amappl1 80 10996 0 10414 14 0 14 14 0 8 0 amappl 88 9770 0 9635 5 0 5 5 0 92 0 dma32768 32768 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 128 254 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 24 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1229 0 1198 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1229 0 1198 1 0 1 1 0 8 0 vmmpekpl 168 10415 0 10363 3 0 3 3 0 8 0 vmmpepl 168 86594 0 84458 126 4 122 122 0 357 8 vmsppl 440 1228 0 1198 6 2 4 5 0 8 0 rwobjpl 56 30879 0 25839 73 1 72 72 0 8 0 pdppl 4096 2465 0 2396 112 41 71 83 0 8 2 pvpl 32 38850 0 0 314 1 313 313 0 265 0 pmappl 248 1228 0 1198 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 410 0 67 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8349cff0) 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(ffffffff8356fbc0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8356fbc0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a0bc7f0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff8356fbc0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8356fbc0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a0bc9c0) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0bc9c0) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x781521fcd230, count: 6 ddb{0}> trace x86_ipi_db(ffffffff8349cff0) 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(ffffffff8356fbc0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8356fbc0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a0bc7f0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff8356fbc0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8356fbc0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a0bc9c0) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0bc9c0) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x781521fcd230, count: -9 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e57db) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309a5aa,ffffffff830119a0,436,ffffffff830089af) at __assert+0x29 rtrequest(1,ffff800037270428,4,ffff8000372704d0,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff800000b5a600,840100,ffff800000b5a658,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff8000012bb800,ffff800000b5a600,ffff800037270740,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff8000012bb800,ffff800000b5a600,ffff800037270740,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff800037270730,ffff8000012bb800) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff80000128bc98,8040691a,ffff800037270730,ffff80002a04dbf8) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff80000128bc98,8040691a,ffff800037270730,ffff80002a04dbf8) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff80002a04dbf8,ffff800037270910,ffff800037270860) at sys_ioctl+0x67c syscall(ffff800037270910) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037270910) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70994d3aabc0, count: 4 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e57db) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309a5aa,ffffffff830119a0,436,ffffffff830089af) at __assert+0x29 rtrequest(1,ffff800037270428,4,ffff8000372704d0,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff800000b5a600,840100,ffff800000b5a658,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff8000012bb800,ffff800000b5a600,ffff800037270740,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff8000012bb800,ffff800000b5a600,ffff800037270740,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff800037270730,ffff8000012bb800) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff80000128bc98,8040691a,ffff800037270730,ffff80002a04dbf8) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff80000128bc98,8040691a,ffff800037270730,ffff80002a04dbf8) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff80002a04dbf8,ffff800037270910,ffff800037270860) at sys_ioctl+0x67c syscall(ffff800037270910) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037270910) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70994d3aabc0, count: -11