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 165142 59504 0 0x40 0 0 syz-executor *203073 84667 0 0x2 0 1K ifconfig db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e9151) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309c9d4,ffffffff830155b5,436,ffffffff8300c568) at __assert+0x29 rtrequest(1,ffff80002f173ee8,4,ffff80002f173f90,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff8000012f5600,840100,ffff8000012f5658,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff80000129c800,ffff8000012f5600,ffff80002f174200,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff80000129c800,ffff8000012f5600,ffff80002f174200,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff80002f1741f0,ffff80000129c800) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff8000012887d8,8040691a,ffff80002f1741f0,ffff8000ffff56f0) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff8000012887d8,8040691a,ffff80002f1741f0,ffff8000ffff56f0) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff8000ffff56f0,ffff80002f1743d0,ffff80002f174320) at sys_ioctl+0x67c syscall(ffff80002f1743d0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002f1743d0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70f1d73f9e30, 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(ffffffff830e9151) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309c9d4,ffffffff830155b5,436,ffffffff8300c568) at __assert+0x29 rtrequest(1,ffff80002f173ee8,4,ffff80002f173f90,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff8000012f5600,840100,ffff8000012f5658,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff80000129c800,ffff8000012f5600,ffff80002f174200,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff80000129c800,ffff8000012f5600,ffff80002f174200,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff80002f1741f0,ffff80000129c800) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff8000012887d8,8040691a,ffff80002f1741f0,ffff8000ffff56f0) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff8000012887d8,8040691a,ffff80002f1741f0,ffff8000ffff56f0) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff8000ffff56f0,ffff80002f1743d0,ffff80002f174320) at sys_ioctl+0x67c syscall(ffff80002f1743d0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002f1743d0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70f1d73f9e30, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002f173ce0 rbx 0xffff800029b7cdcf rdx 0 rcx 0xffff8000ffff56f0 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xea8fbc5437da0857 r11 0x15f051e7070082d3 r12 0xffff800029b7cbd0 r13 0 r14 0 r15 0x1 rip 0xffffffff81e0fdc5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002f173cd0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (ifconfig) tid=203073 pid=84667 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=0xffff8000ffff4f58,0xffff8000ffff5c10 process=0xffff800035795fb8 user=0xffff80002f16f000, vmspace=0xfffffd806c7b7a68 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 59504 165142 90690 0 7 0x40 syz-executor *84667 203073 56116 0 7 0x2 ifconfig 73713 227029 54196 0 3 0x2 clonelk ifconfig 54196 146883 80959 0 3 0x10008a sigsusp sh 56116 26132 37507 0 3 0x10008a sigsusp sh 80959 153766 13569 0 3 0x82 wait syz-executor 37507 199055 13569 0 3 0x82 wait syz-executor 90690 278046 13569 0 3 0x82 ppwait syz-executor 16366 128837 1 0 3 0x100083 ttyin getty 49300 310427 13569 0 3 0x82 piperd syz-executor 34887 109052 13569 0 3 0x82 piperd syz-executor 78163 170659 13569 0 3 0x82 piperd syz-executor 37908 417198 13569 0 3 0x82 piperd syz-executor 81977 516042 0 0 3 0x14280 nfsidl nfsio 55829 22514 0 0 3 0x14280 nfsidl nfsio 2970 491606 0 0 3 0x14280 nfsidl nfsio 91837 364677 0 0 3 0x14280 nfsidl nfsio 9243 140625 0 0 3 0x14280 nfsidl nfsio 54678 429475 0 0 3 0x14280 nfsidl nfsio 52413 173674 0 0 3 0x14280 nfsidl nfsio 63484 171356 0 0 3 0x14280 nfsidl nfsio 28138 484160 0 0 3 0x14280 nfsidl nfsio 62325 487214 0 0 3 0x14280 nfsidl nfsio 96639 183952 0 0 3 0x14280 nfsidl nfsio 30773 46681 0 0 3 0x14280 nfsidl nfsio 1410 159566 0 0 3 0x14280 nfsidl nfsio 87561 298568 0 0 3 0x14280 nfsidl nfsio 36143 74354 0 0 3 0x14280 nfsidl nfsio 99105 509853 0 0 3 0x14280 nfsidl nfsio 95304 144709 0 0 3 0x14280 nfsidl nfsio 75800 91728 0 0 3 0x14280 nfsidl nfsio 57797 11252 0 0 3 0x14280 nfsidl nfsio 80832 166866 0 0 3 0x14280 nfsidl nfsio 86310 482525 0 0 3 0x14200 bored sosplice 13569 472297 17931 0 3 0x82 wait syz-executor 17931 506709 57689 0 3 0x10008a sigsusp ksh 57689 280913 30687 0 3 0x98 kqread sshd-session 30687 515602 45903 0 3 0x92 kqread sshd-session 45903 290589 1 0 3 0x88 kqread sshd 51722 299463 88409 74 3 0x1100092 bpf pflogd 88409 419987 1 0 3 0x80 sbwait pflogd 42315 214395 23170 73 3 0x1100010 biowait syslogd 23170 227356 1 0 3 0x100082 sbwait syslogd 852 307049 1 0 3 0x100080 kqread resolvd 41373 498790 62391 77 3 0x100092 kqread dhcpleased 37147 393577 62391 77 3 0x100092 kqread dhcpleased 62391 383073 1 0 3 0x80 kqread dhcpleased 85071 163560 0 0 3 0x14200 bored smr 14672 436620 0 0 3 0x14200 pgzero zerothread 89386 64616 0 0 3 0x14200 aiodoned aiodoned 99240 435262 0 0 3 0x14200 syncer update 19864 493549 0 0 3 0x14200 cleaner cleaner 83208 232514 0 0 3 0x14200 reaper reaper 55907 291510 0 0 3 0x14200 pgdaemon pagedaemon 61103 251651 0 0 3 0x14200 bored viomb 56090 246479 0 0 3 0x40014200 acpi0 acpi0 44706 191295 0 0 3 0x40014200 idle1 65710 69024 0 0 3 0x14200 bored softnet3 333 273115 0 0 3 0x14200 bored softnet2 14058 133669 0 0 3 0x14200 bored softnet1 13404 89574 0 0 3 0x14200 bored softnet0 52206 243027 0 0 3 0x14200 bored systqmp 87374 300773 0 0 3 0x14200 bored systq 24387 154711 0 0 3 0x14200 tmoslp softclockmp 68266 354809 0 0 3 0x40014200 tmoslp softclock 79727 346515 0 0 3 0x40014200 idle0 1 55020 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 59504 (syz-executor) thread 0xffff8000ffff5c00 (165142) exclusive rwlock uobjlk r = 0 (0xfffffd806cd9a018) #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 (0xfffffd806a9b10f0) #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 84667 (ifconfig) thread 0xffff8000ffff56f0 (203073) exclusive rwlock netlock r = 0 (0xffffffff8348d5f0) #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 (0xffffffff83516f30) #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 42315 (syslogd) thread 0xffff8000ffffdbe8 (214395) exclusive rrwlock inode r = 0 (0xfffffd806e4163d0) #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 10220 11132K 11579K 166960K 12651 0 pcb 17 14K 15K 166960K 286 0 rtable 161 6K 8K 166960K 1779 0 pf 41 19K 23K 166960K 242 0 ifaddr 33 5K 9K 166960K 252 0 ifgroup 55 2K 2K 166960K 282 0 sysctl 3 0K 0K 166960K 3 0 counters 64 36K 37K 166960K 182 0 ioctlops 0 0K 8K 166960K 1624 0 iov 0 0K 24K 166960K 58 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1464 92K 92K 166960K 2813 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 21 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 87 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 15 53K 93K 166960K 1720 0 sigio 0 0K 0K 166960K 145 0 proc 86 116K 140K 166960K 1886 0 subproc 104 6K 6K 166960K 690 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 117 0 in_multi 59 4K 7K 166960K 643 0 ether_multi 1 0K 0K 166960K 11 0 mrt 1 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 229 1023K 1023K 166960K 229 0 exec 0 0K 1K 166960K 1042 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 14910 0 UVM aobj 94 3K 3K 166960K 96 0 pinsyscall 40 80K 102K 166960K 3942 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 64 0 NDP 14 0K 1K 166960K 179 0 temp 78 6824K 6890K 166960K 86214 0 kqueue 13 20K 28K 166960K 182 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 120 180 0 177 1 0 1 1 0 8 0 rtentry 112 620 0 552 4 0 4 4 0 8 0 unpcb 144 912 0 895 18 17 1 8 0 8 0 syncache 336 7 0 7 3 3 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 808 337 0 333 11 10 1 7 0 8 0 arp 120 108 0 92 1 0 1 1 0 8 0 inpcb 336 1363 0 1353 23 22 1 7 0 8 0 nd6 136 164 0 149 1 0 1 1 0 8 0 pkpcb 40 7 0 7 3 3 0 1 0 8 0 kcovpl 48 53 0 45 1 0 1 1 0 8 0 ppxss 1168 8 0 8 3 3 0 1 0 8 0 pfstscr 40 2 0 2 2 2 0 1 0 8 0 pffrag 232 7 0 3 1 0 1 1 0 482 0 pffrnode 88 6 0 3 1 0 1 1 0 8 0 pffrent 40 53 0 49 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 2 0 2 2 2 0 1 0 8 0 pfanchor 1288 13 0 0 2 0 2 2 0 8 0 pftag 88 3 0 2 3 2 1 1 0 8 0 pfstitem 24 156 0 110 1 0 1 1 0 8 0 pfstkey 128 160 0 117 3 0 3 3 0 8 0 pfstate 376 156 0 113 9 1 8 8 0 8 0 pfrule 1344 39 0 26 3 1 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2609 0 2305 34 6 28 31 0 8 1 art_table 32 2610 0 2305 4 0 4 4 0 8 0 art_node 16 616 0 557 1 0 1 1 0 8 0 sysvmsgpl 40 36 0 1 1 0 1 1 0 8 0 semapl 112 80 0 70 1 0 1 1 0 8 0 shmpl 112 93 0 2 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 3290 0 1698 101 0 101 101 0 8 0 ffsino 272 3290 0 1698 108 0 108 108 0 8 0 nchpl 144 4917 0 3180 66 1 65 66 0 8 0 uvmvnodes 80 4540 0 0 93 0 93 93 0 8 0 vnodes 216 4540 0 0 253 0 253 253 0 8 0 namei 1024 20311 0 20311 5 4 1 2 0 8 1 percpumem 16 105 0 59 1 0 1 1 0 8 0 kstatmem 264 142 0 118 3 0 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 5 0 5 4 3 1 1 0 8 1 scxspl 216 32806 0 32805 13 12 1 8 1 8 0 plimitpl 152 279 0 262 1 0 1 1 0 8 0 sigapl 424 1956 0 1888 12 3 9 9 0 8 0 futexpl 64 17459 0 17459 6 5 1 1 0 8 1 knotepl 120 635 0 0 18 0 18 18 0 8 1 kqueuepl 216 515 0 506 8 6 2 5 0 8 1 pipepl 320 332 0 305 3 0 3 3 0 8 0 fdescpl 496 1916 0 1887 8 3 5 5 0 8 0 filepl 152 9722 0 9483 31 20 11 18 0 8 1 lockfpl 104 489 0 487 1 0 1 1 0 8 0 lockfspl 48 133 0 131 1 0 1 1 0 8 0 sessionpl 144 70 0 61 1 0 1 1 0 8 0 pgrppl 48 134 0 117 1 0 1 1 0 8 0 ucredpl 104 1468 0 1455 1 0 1 1 0 8 0 zombiepl 144 1889 0 1888 2 1 1 1 0 8 0 processpl 1160 1956 0 1888 8 2 6 6 0 8 0 procpl 648 3509 0 3441 10 2 8 8 0 8 1 srpgc 96 10 0 10 4 4 0 1 0 8 0 sosppl 168 8 0 8 4 3 1 1 0 8 1 sockpl 664 2558 0 2529 39 35 4 20 0 8 1 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 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 146 0 0 19 0 19 19 0 8 0 mcl2k 2048 50 0 0 4 0 4 4 0 8 0 mtagpl 96 17 0 0 1 0 1 1 0 8 0 mbufpl 256 519 0 0 29 0 29 29 0 8 0 bufpl 280 8596 0 2172 460 0 460 460 0 8 0 anonpl 24 310407 0 307145 97 46 51 74 0 185 17 amapchunkpl 152 47687 0 47366 46 14 32 37 0 158 13 amappl16 200 5871 0 5854 49 38 11 15 0 8 8 amappl15 192 43 0 42 1 0 1 1 0 8 0 amappl14 184 202 0 190 1 0 1 1 0 8 0 amappl13 176 7 0 7 1 1 0 1 0 8 0 amappl12 168 3252 0 3223 4 2 2 3 0 8 0 amappl11 160 74 0 59 1 0 1 1 0 8 0 amappl10 152 14 0 14 1 1 0 1 0 8 0 amappl9 144 165 0 165 1 1 0 1 0 8 0 amappl8 136 24 0 19 1 0 1 1 0 8 0 amappl7 128 197 0 185 1 0 1 1 0 8 0 amappl6 120 606 0 601 1 0 1 1 0 8 0 amappl5 112 317 0 303 1 0 1 1 0 8 0 amappl4 104 446 0 427 1 0 1 1 0 8 0 amappl3 96 9491 0 9419 4 0 4 4 0 8 0 amappl2 88 1306 0 1231 2 0 2 2 0 8 0 amappl1 80 15335 0 14772 15 1 14 14 0 8 0 amappl 88 14118 0 13997 5 0 5 5 0 92 0 dma32768 32768 3 0 3 2 2 0 1 0 8 0 dma4096 4096 2 0 2 2 2 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 128 255 0 255 3 3 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 20 0 19 1 0 1 1 0 8 0 aobjpl 72 95 0 2 2 0 2 2 0 8 0 uaddrrnd 24 1916 0 1887 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1916 0 1887 1 0 1 1 0 8 0 vmmpekpl 168 16408 0 16349 4 0 4 4 0 8 0 vmmpepl 168 122772 0 121176 113 20 93 95 0 357 13 vmsppl 440 1915 0 1887 6 2 4 5 0 8 0 rwobjpl 56 40155 0 34619 84 4 80 81 0 8 1 pdppl 4096 3839 0 3774 157 86 71 85 0 8 6 pvpl 32 31741 0 0 256 0 256 256 0 265 0 pmappl 248 1915 0 1887 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 510 0 139 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834c9ff0) 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(ffffffff83516d28) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83516d28) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a114880,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83516d28) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83516d28) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a114a50) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a114a50) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d0fbfad1e60, count: 6 ddb{0}> trace x86_ipi_db(ffffffff834c9ff0) 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(ffffffff83516d28) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83516d28) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a114880,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83516d28) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83516d28) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a114a50) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a114a50) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d0fbfad1e60, 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(ffffffff830e9151) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309c9d4,ffffffff830155b5,436,ffffffff8300c568) at __assert+0x29 rtrequest(1,ffff80002f173ee8,4,ffff80002f173f90,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff8000012f5600,840100,ffff8000012f5658,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff80000129c800,ffff8000012f5600,ffff80002f174200,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff80000129c800,ffff8000012f5600,ffff80002f174200,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff80002f1741f0,ffff80000129c800) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff8000012887d8,8040691a,ffff80002f1741f0,ffff8000ffff56f0) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff8000012887d8,8040691a,ffff80002f1741f0,ffff8000ffff56f0) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff8000ffff56f0,ffff80002f1743d0,ffff80002f174320) at sys_ioctl+0x67c syscall(ffff80002f1743d0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002f1743d0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70f1d73f9e30, count: 4 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e9151) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309c9d4,ffffffff830155b5,436,ffffffff8300c568) at __assert+0x29 rtrequest(1,ffff80002f173ee8,4,ffff80002f173f90,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff8000012f5600,840100,ffff8000012f5658,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff80000129c800,ffff8000012f5600,ffff80002f174200,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff80000129c800,ffff8000012f5600,ffff80002f174200,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff80002f1741f0,ffff80000129c800) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff8000012887d8,8040691a,ffff80002f1741f0,ffff8000ffff56f0) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff8000012887d8,8040691a,ffff80002f1741f0,ffff8000ffff56f0) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff8000ffff56f0,ffff80002f1743d0,ffff80002f174320) at sys_ioctl+0x67c syscall(ffff80002f1743d0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002f1743d0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70f1d73f9e30, count: -11