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 189409 58387 0 0x100000 0 0 sh *492564 3985 0 0x2 0 1K ifconfig db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e1d58) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309a5a2,ffffffff83012219,436,ffffffff83008f20) at __assert+0x29 rtrequest(1,ffff80002a0b6918,4,ffff80002a0b69c0,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff8000013e5200,840100,ffff8000013e5258,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff8000012b5800,ffff8000013e5200,ffff80002a0b6c30,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff8000012b5800,ffff8000013e5200,ffff80002a0b6c30,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff80002a0b6c20,ffff8000012b5800) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff800010fdaa70,8040691a,ffff80002a0b6c20,ffff8000371dd980) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff800010fdaa70,8040691a,ffff80002a0b6c20,ffff8000371dd980) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff8000371dd980,ffff80002a0b6e00,ffff80002a0b6d50) at sys_ioctl+0x67c syscall(ffff80002a0b6e00) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0b6e00) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x792443641fd0, 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(ffffffff830e1d58) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309a5a2,ffffffff83012219,436,ffffffff83008f20) at __assert+0x29 rtrequest(1,ffff80002a0b6918,4,ffff80002a0b69c0,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff8000013e5200,840100,ffff8000013e5258,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff8000012b5800,ffff8000013e5200,ffff80002a0b6c30,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff8000012b5800,ffff8000013e5200,ffff80002a0b6c30,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff80002a0b6c20,ffff8000012b5800) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff800010fdaa70,8040691a,ffff80002a0b6c20,ffff8000371dd980) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff800010fdaa70,8040691a,ffff80002a0b6c20,ffff8000371dd980) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff8000371dd980,ffff80002a0b6e00,ffff80002a0b6d50) at sys_ioctl+0x67c syscall(ffff80002a0b6e00) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0b6e00) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x792443641fd0, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a0b6710 rbx 0xffff800029b7cdcf rdx 0 rcx 0xffff8000371dd980 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x4aeb62024b3a8931 r11 0xff554fce322f3b3 r12 0xffff800029b7cbd0 r13 0 r14 0 r15 0x1 rip 0xffffffff826a74c5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a0b6700 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (ifconfig) tid=492564 pid=3985 tcnt=1 stat=onproc flags process=2 proc=0 runpri=86, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000371dd1e8,0xffff8000371ddc18 process=0xffff80002f56c020 user=0xffff80002a0b1000, vmspace=0xfffffd806bf59dc0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 58387 189409 33118 0 7 0x100000 sh 33118 143235 41204 0 3 0x10008a sigsusp sh * 3985 492564 34574 0 7 0x2 ifconfig 34574 261111 28093 0 3 0x10008a sigsusp sh 41204 347981 59635 0 3 0x82 wait syz-executor 5011 484195 59635 0 3 0x2 clonelk syz-executor 28093 246001 59635 0 3 0x82 wait syz-executor 40439 280724 59635 0 3 0x82 piperd syz-executor 41253 60582 59635 0 3 0x82 piperd syz-executor 63402 363911 1 0 3 0x100083 ttyin getty 20424 115827 0 0 3 0x14200 bored sosplice 48192 150282 59635 0 3 0x82 piperd syz-executor 16822 504109 59635 0 3 0x82 piperd syz-executor 59635 67294 38831 0 3 0x82 wait syz-executor 38831 378600 53057 0 3 0x10008a sigsusp ksh 53057 354811 6068 0 3 0x98 kqread sshd-session 6068 117744 67188 0 3 0x92 kqread sshd-session 67188 269683 1 0 3 0x88 kqread sshd 7285 136661 83196 74 3 0x1100092 bpf pflogd 83196 52706 1 0 3 0x80 sbwait pflogd 96048 159731 86065 73 3 0x1100010 biowait syslogd 86065 114751 1 0 3 0x100082 sbwait syslogd 91670 427303 1 0 3 0x100080 kqread resolvd 98345 425914 51529 77 3 0x100092 kqread dhcpleased 323 98035 51529 77 3 0x100092 kqread dhcpleased 51529 272977 1 0 3 0x80 kqread dhcpleased 9304 247068 0 0 3 0x14200 bored smr 26356 194615 0 0 3 0x14200 pgzero zerothread 57997 229464 0 0 3 0x14200 aiodoned aiodoned 82120 298403 0 0 3 0x14200 syncer update 38556 256343 0 0 3 0x14200 cleaner cleaner 28629 451299 0 0 3 0x14200 reaper reaper 46805 272396 0 0 3 0x14200 pgdaemon pagedaemon 7785 189261 0 0 3 0x14200 bored viomb 99971 206543 0 0 3 0x40014200 acpi0 acpi0 54232 104514 0 0 3 0x40014200 idle1 14603 289501 0 0 3 0x14200 bored softnet3 63642 504777 0 0 3 0x14200 bored softnet2 81523 232184 0 0 3 0x14200 bored softnet1 15814 19073 0 0 3 0x14200 bored softnet0 65162 427559 0 0 3 0x14200 bored systqmp 87728 418270 0 0 3 0x14200 bored systq 83655 106310 0 0 3 0x14200 tmoslp softclockmp 49674 21231 0 0 3 0x40014200 tmoslp softclock 42336 512957 0 0 3 0x40014200 idle0 1 495701 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 58387 (sh) thread 0xffff8000371dc2b8 (189409) exclusive rwlock uobjlk r = 0 (0xfffffd807eb280f0) #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 uvm_fault_lower_lookup+0x54 sys/uvm/uvm_fault.c:1126 #3 uvm_fault_lower+0x74 sys/uvm/uvm_fault.c:1227 #4 uvm_fault+0x301 sys/uvm/uvm_fault.c:637 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #6 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #7 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806bf592a8) #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 3985 (ifconfig) thread 0xffff8000371dd980 (492564) exclusive rwlock netlock r = 0 (0xffffffff834513f0) #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 (0xffffffff835bdba0) #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 96048 (syslogd) thread 0xffff8000ffffdbe8 (159731) exclusive rrwlock inode r = 0 (0xfffffd806e4010a0) #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 10218 11192K 11516K 166960K 12033 0 pcb 17 12K 12K 166960K 93 0 rtable 162 5K 7K 166960K 583 0 pf 34 17K 21K 166960K 81 0 ifaddr 35 5K 7K 166960K 83 0 ifgroup 51 2K 2K 166960K 87 0 sysctl 3 0K 0K 166960K 3 0 counters 62 36K 36K 166960K 86 0 ioctlops 0 0K 4K 166960K 1523 0 iov 0 0K 12K 166960K 26 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1428 90K 90K 166960K 1949 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 150 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 14 49K 93K 166960K 632 0 sigio 0 0K 0K 166960K 9 0 proc 79 103K 140K 166960K 696 0 subproc 104 6K 6K 166960K 183 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 59 0 in_multi 63 4K 7K 166960K 212 0 ether_multi 1 0K 0K 166960K 4 0 mrt 0 0K 0K 166960K 3 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 470 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 183 71K 91K 166960K 7281 0 UVM aobj 79 5K 5K 166960K 81 0 pinsyscall 39 78K 106K 166960K 1825 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 15 0 NDP 15 0K 2K 166960K 57 0 temp 74 6824K 6906K 166960K 24364 0 kqueue 13 20K 30K 166960K 118 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 68 0 65 1 0 1 1 0 8 0 rtentry 112 205 0 133 4 0 4 4 0 8 0 unpcb 144 518 0 501 9 8 1 6 0 8 0 syncache 336 12 0 12 3 2 1 1 0 8 1 tcpqe 32 4 0 4 2 2 0 1 0 8 0 tcpcb 808 203 0 195 9 7 2 8 0 8 0 arp 120 27 0 11 1 0 1 1 0 8 0 inpcb 336 591 0 578 8 6 2 8 0 8 0 nd6 136 48 0 33 1 0 1 1 0 8 0 pkpcb 40 3 0 3 2 2 0 1 0 8 0 kcovpl 48 14 0 6 1 0 1 1 0 8 0 ppxss 1168 6 0 6 2 2 0 1 0 8 0 pfstscr 40 2 0 2 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 4 0 1 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 pfanchor 1288 2 0 2 1 1 0 1 0 8 0 pfstitem 24 65 0 30 1 0 1 1 0 8 0 pfstkey 128 69 0 34 2 0 2 2 0 8 0 pfstate 376 67 0 32 6 0 6 6 0 8 0 pfrule 1344 28 0 19 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 922 0 615 30 5 25 30 0 8 2 art_table 32 923 0 615 4 0 4 4 0 8 0 art_node 16 200 0 137 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 4 1 0 1 1 0 8 0 semapl 112 148 0 138 1 0 1 1 0 8 0 shmpl 112 78 0 2 3 0 3 3 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2423 0 919 95 0 95 95 0 8 0 ffsino 272 2423 0 919 101 0 101 101 0 8 0 nchpl 144 3229 0 1546 63 0 63 63 0 8 0 uvmvnodes 80 2895 0 0 60 0 60 60 0 8 0 vnodes 216 2895 0 0 161 0 161 161 0 8 0 namei 1024 11180 0 11180 2 1 1 2 0 8 1 percpumem 16 57 0 12 1 0 1 1 0 8 0 kstatmem 264 46 0 24 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 12032 0 12031 12 11 1 8 1 8 0 plimitpl 152 168 0 151 1 0 1 1 0 8 0 sigapl 424 925 0 878 8 2 6 7 0 8 0 futexpl 64 7071 0 7071 2 1 1 1 0 8 1 knotepl 120 521 0 0 16 0 16 16 0 8 0 kqueuepl 216 268 0 259 6 5 1 6 0 8 0 pipepl 320 165 0 138 3 0 3 3 0 8 0 fdescpl 496 906 0 878 5 0 5 5 0 8 1 filepl 152 5153 0 4915 19 8 11 15 0 8 1 lockfpl 104 216 0 214 2 1 1 2 0 8 0 lockfspl 48 104 0 102 1 0 1 1 0 8 0 sessionpl 144 34 0 25 1 0 1 1 0 8 0 pgrppl 48 55 0 38 1 0 1 1 0 8 0 ucredpl 104 971 0 958 1 0 1 1 0 8 0 zombiepl 144 879 0 878 2 1 1 1 0 8 0 processpl 1160 925 0 878 5 1 4 5 0 8 0 procpl 648 1669 0 1622 7 1 6 6 0 8 0 srpgc 96 4 0 4 1 1 0 1 0 8 0 sosppl 168 3 0 3 2 2 0 1 0 8 0 sockpl 664 1219 0 1187 21 16 5 15 0 8 1 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 133 0 0 17 0 17 17 0 8 0 mcl2k 2048 20 0 0 3 0 3 3 0 8 0 mtagpl 96 9 0 0 1 0 1 1 0 8 0 mbufpl 256 217 0 0 13 0 13 13 0 8 0 bufpl 280 6295 0 121 442 0 442 442 0 8 0 anonpl 24 204505 0 201407 67 17 50 51 0 185 17 amapchunkpl 152 24196 0 23875 40 9 31 33 0 158 14 amappl16 200 4477 0 4469 24 13 11 15 0 8 8 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 128 0 116 1 0 1 1 0 8 0 amappl13 176 7 0 7 1 1 0 1 0 8 0 amappl12 168 1619 0 1589 3 1 2 2 0 8 0 amappl11 160 50 0 36 1 0 1 1 0 8 0 amappl10 152 12 0 12 2 2 0 1 0 8 0 amappl9 144 141 0 141 1 1 0 1 0 8 0 amappl8 136 27 0 25 1 0 1 1 0 8 0 amappl7 128 119 0 107 1 0 1 1 0 8 0 amappl6 120 199 0 195 1 0 1 1 0 8 0 amappl5 112 158 0 146 1 0 1 1 0 8 0 amappl4 104 331 0 310 1 0 1 1 0 8 0 amappl3 96 4810 0 4737 5 1 4 4 0 8 0 amappl2 88 779 0 708 2 0 2 2 0 8 0 amappl1 80 10229 0 9663 15 1 14 14 0 8 0 amappl 88 6826 0 6706 5 0 5 5 0 92 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 dma512 512 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 72 80 0 2 2 0 2 2 0 8 0 uaddrrnd 24 906 0 878 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 906 0 878 1 0 1 1 0 8 0 vmmpekpl 168 8667 0 8623 3 0 3 3 0 8 0 vmmpepl 168 63687 0 62132 102 9 93 95 0 357 15 vmsppl 440 905 0 878 6 2 4 5 0 8 0 rwobjpl 56 24219 0 20358 58 1 57 58 0 8 0 pdppl 4096 1819 0 1756 113 42 71 85 0 8 8 pvpl 32 28135 0 0 227 0 227 227 0 265 0 pmappl 248 905 0 878 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 406 0 68 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83435ff0) 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(ffffffff835bd998) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835bd998) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80003678d5e0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff835bd998) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835bd998) at __mp_lock+0x19e sys/kern/kern_lock.c:144 syscall(ffff80003678d7b0) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003678d7b0) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c5d55ce5080, count: 6 ddb{0}> trace x86_ipi_db(ffffffff83435ff0) 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(ffffffff835bd998) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835bd998) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80003678d5e0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff835bd998) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835bd998) at __mp_lock+0x19e sys/kern/kern_lock.c:144 syscall(ffff80003678d7b0) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003678d7b0) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c5d55ce5080, 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(ffffffff830e1d58) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309a5a2,ffffffff83012219,436,ffffffff83008f20) at __assert+0x29 rtrequest(1,ffff80002a0b6918,4,ffff80002a0b69c0,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff8000013e5200,840100,ffff8000013e5258,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff8000012b5800,ffff8000013e5200,ffff80002a0b6c30,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff8000012b5800,ffff8000013e5200,ffff80002a0b6c30,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff80002a0b6c20,ffff8000012b5800) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff800010fdaa70,8040691a,ffff80002a0b6c20,ffff8000371dd980) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff800010fdaa70,8040691a,ffff80002a0b6c20,ffff8000371dd980) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff8000371dd980,ffff80002a0b6e00,ffff80002a0b6d50) at sys_ioctl+0x67c syscall(ffff80002a0b6e00) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0b6e00) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x792443641fd0, count: 4 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e1d58) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309a5a2,ffffffff83012219,436,ffffffff83008f20) at __assert+0x29 rtrequest(1,ffff80002a0b6918,4,ffff80002a0b69c0,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff8000013e5200,840100,ffff8000013e5258,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff8000012b5800,ffff8000013e5200,ffff80002a0b6c30,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff8000012b5800,ffff8000013e5200,ffff80002a0b6c30,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff80002a0b6c20,ffff8000012b5800) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff800010fdaa70,8040691a,ffff80002a0b6c20,ffff8000371dd980) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff800010fdaa70,8040691a,ffff80002a0b6c20,ffff8000371dd980) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff8000371dd980,ffff80002a0b6e00,ffff80002a0b6d50) at sys_ioctl+0x67c syscall(ffff80002a0b6e00) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0b6e00) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x792443641fd0, count: -11