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 * 11270 33082 0 0x2 0 1K ifconfig 347968 54921 0 0x100002 0 0 sh db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e776c) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309cc35,ffffffff83013e7f,436,ffffffff8300b0ec) at __assert+0x29 rtrequest(1,ffff80002a08bf38,4,ffff80002a08bfe0,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff8000015c9000,840100,ffff8000015c9058,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff800001570000,ffff8000015c9000,ffff80002a08c250,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff800001570000,ffff8000015c9000,ffff80002a08c250,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff80002a08c240,ffff800001570000) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff800010fdb238,8040691a,ffff80002a08c240,ffff80003378d1e8) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff800010fdb238,8040691a,ffff80002a08c240,ffff80003378d1e8) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff80003378d1e8,ffff80002a08c420,ffff80002a08c370) at sys_ioctl+0x67c syscall(ffff80002a08c420) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a08c420) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x792b7deadb80, 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(ffffffff830e776c) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309cc35,ffffffff83013e7f,436,ffffffff8300b0ec) at __assert+0x29 rtrequest(1,ffff80002a08bf38,4,ffff80002a08bfe0,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff8000015c9000,840100,ffff8000015c9058,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff800001570000,ffff8000015c9000,ffff80002a08c250,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff800001570000,ffff8000015c9000,ffff80002a08c250,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff80002a08c240,ffff800001570000) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff800010fdb238,8040691a,ffff80002a08c240,ffff80003378d1e8) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff800010fdb238,8040691a,ffff80002a08c240,ffff80003378d1e8) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff80003378d1e8,ffff80002a08c420,ffff80002a08c370) at sys_ioctl+0x67c syscall(ffff80002a08c420) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a08c420) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x792b7deadb80, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a08bd30 rbx 0xffff800029b7cdcf rdx 0 rcx 0xffff80003378d1e8 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x673d072985e80f6 r11 0x8a8debbf2c66ac16 r12 0xffff800029b7cbd0 r13 0 r14 0 r15 0x1 rip 0xffffffff8265f8c5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a08bd20 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (ifconfig) tid=11270 pid=33082 tcnt=1 stat=onproc flags process=2 proc=0 runpri=83, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003378d470,0xffffffff835f8c38 process=0xffff800036259fc0 user=0xffff80002a087000, vmspace=0xfffffd806bc271b8 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND *33082 11270 63844 0 7 0x2 ifconfig 54921 347968 61308 0 7 0x100002 sh 63844 102656 50003 0 3 0x10008a sigsusp sh 61308 119275 76310 0 3 0x82 wait syz-executor 50003 313454 76310 0 3 0x82 wait syz-executor 93189 325596 0 0 3 0x14200 acct acct 18743 513718 1 0 3 0x100083 ttyin getty 16960 384803 0 0 3 0x14200 bored sosplice 39930 98694 0 0 3 0x14280 nfsidl nfsio 34542 83449 0 0 3 0x14280 nfsidl nfsio 86666 300177 0 0 3 0x14280 nfsidl nfsio 3518 92661 0 0 3 0x14280 nfsidl nfsio 2935 338409 0 0 3 0x14280 nfsidl nfsio 61285 358053 0 0 3 0x14280 nfsidl nfsio 48087 264453 0 0 3 0x14280 nfsidl nfsio 65446 273519 0 0 3 0x14280 nfsidl nfsio 18989 470467 0 0 3 0x14280 nfsidl nfsio 58654 71623 0 0 3 0x14280 nfsidl nfsio 47016 175686 0 0 3 0x14280 nfsidl nfsio 10440 90567 0 0 3 0x14280 nfsidl nfsio 79186 483289 0 0 3 0x14280 nfsidl nfsio 22196 376658 0 0 3 0x14280 nfsidl nfsio 34585 147765 0 0 3 0x14280 nfsidl nfsio 38242 499331 0 0 3 0x14280 nfsidl nfsio 39000 517917 0 0 3 0x14280 nfsidl nfsio 31708 365710 0 0 3 0x14280 nfsidl nfsio 21412 412443 0 0 3 0x14280 nfsidl nfsio 4337 399938 0 0 3 0x14280 nfsidl nfsio 37942 467237 76310 0 3 0x82 piperd syz-executor 98025 264126 76310 0 3 0x82 piperd syz-executor 68660 265177 76310 0 3 0x82 piperd syz-executor 7218 475956 76310 0 3 0x82 piperd syz-executor 21196 258779 76310 0 3 0x82 piperd syz-executor 76310 36291 86150 0 3 0x82 wait syz-executor 86150 423349 14443 0 3 0x10008a sigsusp ksh 14443 474836 78136 0 3 0x98 kqread sshd-session 78136 135630 46282 0 3 0x92 kqread sshd-session 46282 489683 1 0 3 0x88 kqread sshd 29822 258043 27304 74 3 0x1100092 bpf pflogd 27304 358177 1 0 3 0x80 sbwait pflogd 10689 399592 22177 73 3 0x1100010 ffs_fsync syslogd 22177 196929 1 0 3 0x100082 sbwait syslogd 13909 180027 1 0 3 0x100080 kqread resolvd 87903 178835 93256 77 3 0x100092 kqread dhcpleased 25852 59826 93256 77 3 0x100092 kqread dhcpleased 93256 346222 1 0 3 0x80 kqread dhcpleased 2432 94589 0 0 3 0x14200 bored smr 24026 107277 0 0 2 0x14200 zerothread 44200 416571 0 0 3 0x14200 aiodoned aiodoned 23645 330808 0 0 3 0x14200 syncer update 88855 197260 0 0 3 0x14200 cleaner cleaner 30270 427904 0 0 3 0x14200 reaper reaper 54991 398477 0 0 3 0x14200 pgdaemon pagedaemon 70070 315372 0 0 3 0x14200 bored viomb 7360 20970 0 0 3 0x40014200 acpi0 acpi0 14984 237626 0 0 3 0x40014200 idle1 81413 147177 0 0 3 0x14200 bored softnet3 85366 518446 0 0 3 0x14200 bored softnet2 36923 358152 0 0 3 0x14200 bored softnet1 27688 159432 0 0 3 0x14200 bored softnet0 3669 383986 0 0 3 0x14200 bored systqmp 45700 31705 0 0 3 0x14200 bored systq 81147 280388 0 0 3 0x14200 tmoslp softclockmp 60214 194941 0 0 3 0x40014200 tmoslp softclock 69154 23037 0 0 3 0x40014200 idle0 1 453529 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 33082 (ifconfig) thread 0xffff80003378d1e8 (11270) exclusive rwlock netlock r = 0 (0xffffffff8340a390) #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 (0xffffffff83618498) #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 54921 (sh) thread 0xffff80003378d470 (347968) exclusive rwlock amaplk r = 0 (0xfffffd807dabd520) #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 (0xfffffd806bc27618) #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 10689 (syslogd) thread 0xffff8000ffffd450 (399592) exclusive rrwlock inode r = 0 (0xfffffd806e163700) #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 10193 14186K 14642K 166960K 11669 0 pcb 17 12K 12K 166960K 75 0 rtable 185 5K 7K 166960K 633 0 pf 32 17K 21K 166960K 78 0 ifaddr 37 6K 7K 166960K 84 0 ifgroup 51 2K 2K 166960K 96 0 sysctl 2 0K 0K 166960K 2 0 counters 62 36K 36K 166960K 84 0 ioctlops 0 0K 4K 166960K 1511 0 iov 0 0K 16K 166960K 24 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1375 86K 87K 166960K 1709 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 5 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 20 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 13 45K 93K 166960K 552 0 sigio 0 0K 0K 166960K 8 0 proc 79 103K 152K 166960K 823 0 subproc 104 6K 6K 166960K 234 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 48 0 in_multi 75 5K 7K 166960K 203 0 ether_multi 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 564 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 179 71K 91K 166960K 6218 0 UVM aobj 7 2K 2K 166960K 8 0 pinsyscall 38 76K 106K 166960K 1852 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 11 0 NDP 11 0K 2K 166960K 54 0 temp 55 6817K 6885K 166960K 20551 0 kqueue 13 20K 26K 166960K 75 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 70 0 67 1 0 1 1 0 8 0 rtentry 112 210 0 126 4 1 3 4 0 8 0 unpcb 144 185 0 168 2 1 1 2 0 8 0 syncache 336 5 0 5 3 3 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 808 91 0 85 2 1 1 2 0 8 0 arp 120 35 0 18 1 0 1 1 0 8 0 inpcb 336 446 0 435 6 4 2 5 0 8 0 nd6 136 48 0 30 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 kcovpl 48 18 0 10 1 0 1 1 0 8 0 pffrag 232 4 0 1 1 0 1 1 0 482 0 pffrnode 88 4 0 1 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 pfstitem 24 51 0 22 1 0 1 1 0 8 0 pfstkey 128 51 0 22 2 0 2 2 0 8 0 pfstate 376 51 0 22 4 0 4 4 0 8 0 pfrule 1344 23 0 17 2 0 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 845 0 507 29 2 27 29 0 8 0 art_table 32 847 0 507 4 0 4 4 0 8 0 art_node 16 204 0 131 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 2 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 15 0 5 1 0 1 1 0 8 0 shmpl 112 5 0 1 2 1 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2068 0 543 96 0 96 96 0 8 0 ffsino 272 2068 0 543 103 0 103 103 0 8 0 nchpl 144 2667 0 980 64 0 64 64 0 8 0 uvmvnodes 80 2427 0 0 50 0 50 50 0 8 0 vnodes 216 2427 0 0 135 0 135 135 0 8 0 namei 1024 9668 0 9668 5 4 1 2 0 8 1 percpumem 16 56 0 11 1 0 1 1 0 8 0 kstatmem 264 44 0 22 2 0 2 2 0 8 0 scxspl 216 12402 0 12400 10 5 5 8 1 8 4 plimitpl 152 294 0 277 1 0 1 1 0 8 0 sigapl 424 854 0 787 10 1 9 9 0 8 0 futexpl 64 4489 0 4489 2 1 1 1 0 8 1 knotepl 120 510 0 0 15 0 15 15 0 8 0 kqueuepl 216 143 0 134 3 2 1 3 0 8 0 pipepl 320 161 0 134 3 0 3 3 0 8 0 fdescpl 496 814 0 787 6 1 5 5 0 8 0 filepl 152 3842 0 3604 14 3 11 13 0 8 1 lockfpl 104 98 0 96 1 0 1 1 0 8 0 lockfspl 48 44 0 42 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 104 398 0 385 1 0 1 1 0 8 0 zombiepl 144 788 0 787 1 0 1 1 0 8 0 processpl 1160 854 0 787 7 1 6 6 0 8 0 procpl 648 1346 0 1279 9 0 9 9 0 8 1 sosppl 168 1 0 1 1 1 0 1 0 8 0 sockpl 664 704 0 674 8 4 4 7 0 8 1 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 262 0 0 33 0 33 33 0 8 0 mtagpl 96 7 0 0 1 0 1 1 0 8 0 mbufpl 256 1275 0 0 79 0 79 79 0 8 0 bufpl 280 5284 0 102 371 0 371 371 0 8 0 anonpl 24 216234 0 213150 76 17 59 74 0 185 31 amapchunkpl 152 20827 0 20515 34 3 31 33 0 158 11 amappl16 200 5567 0 5555 26 18 8 14 0 8 5 amappl15 192 12 0 12 1 1 0 1 0 8 0 amappl14 184 137 0 125 1 0 1 1 0 8 0 amappl13 176 14 0 14 2 2 0 1 0 8 0 amappl12 168 1595 0 1567 4 2 2 3 0 8 0 amappl11 160 95 0 81 1 0 1 1 0 8 0 amappl10 152 25 0 25 1 1 0 1 0 8 0 amappl9 144 140 0 140 1 1 0 1 0 8 0 amappl8 136 26 0 24 1 0 1 1 0 8 0 amappl7 128 133 0 121 1 0 1 1 0 8 0 amappl6 120 254 0 250 1 0 1 1 0 8 0 amappl5 112 192 0 180 1 0 1 1 0 8 0 amappl4 104 336 0 318 1 0 1 1 0 8 0 amappl3 96 3948 0 3875 4 0 4 4 0 8 0 amappl2 88 807 0 735 2 0 2 2 0 8 0 amappl1 80 9427 0 8863 15 2 13 14 0 8 0 amappl 88 5757 0 5640 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 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 7 0 1 1 0 1 1 0 8 0 uaddrrnd 24 816 0 789 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 816 0 789 1 0 1 1 0 8 0 vmmpekpl 168 8103 0 8038 4 0 4 4 0 8 0 vmmpepl 168 59246 0 57708 102 9 93 96 0 357 11 vmsppl 440 815 0 789 6 2 4 5 0 8 0 rwobjpl 56 23603 0 20281 51 3 48 49 0 8 0 pdppl 4096 1639 0 1578 113 42 71 85 0 8 10 pvpl 32 32564 0 0 264 1 263 263 0 265 0 pmappl 248 815 0 789 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 481 0 58 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834d8ff0) 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(ffffffff83618290) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83618290) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff8000371a2430,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d pmap_extract(fffffd806bcd7bb0,bc01bf10000,ffff8000371a25d0) at pmap_extract+0x229 sys/arch/amd64/amd64/pmap.c:1578 uvm_fault_upper_lookup(ffff8000371a2770,ffff8000371a27a8,ffff8000371a2670,ffff8000371a26f0) at uvm_fault_upper_lookup+0x189 sys/uvm/uvm_fault.c:860 uvm_fault(fffffd806bc27528,bc01bf0d000,0,2) at uvm_fault+0x169 sys/uvm/uvm_fault.c:605 upageflttrap(ffff8000371a28f0,bc01bf0d000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff8000371a28f0) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x76c141f7ac50, count: 2 ddb{0}> trace x86_ipi_db(ffffffff834d8ff0) 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(ffffffff83618290) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83618290) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff8000371a2430,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d pmap_extract(fffffd806bcd7bb0,bc01bf10000,ffff8000371a25d0) at pmap_extract+0x229 sys/arch/amd64/amd64/pmap.c:1578 uvm_fault_upper_lookup(ffff8000371a2770,ffff8000371a27a8,ffff8000371a2670,ffff8000371a26f0) at uvm_fault_upper_lookup+0x189 sys/uvm/uvm_fault.c:860 uvm_fault(fffffd806bc27528,bc01bf0d000,0,2) at uvm_fault+0x169 sys/uvm/uvm_fault.c:605 upageflttrap(ffff8000371a28f0,bc01bf0d000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff8000371a28f0) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x76c141f7ac50, count: -13 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(ffffffff830e776c) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309cc35,ffffffff83013e7f,436,ffffffff8300b0ec) at __assert+0x29 rtrequest(1,ffff80002a08bf38,4,ffff80002a08bfe0,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff8000015c9000,840100,ffff8000015c9058,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff800001570000,ffff8000015c9000,ffff80002a08c250,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff800001570000,ffff8000015c9000,ffff80002a08c250,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff80002a08c240,ffff800001570000) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff800010fdb238,8040691a,ffff80002a08c240,ffff80003378d1e8) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff800010fdb238,8040691a,ffff80002a08c240,ffff80003378d1e8) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff80003378d1e8,ffff80002a08c420,ffff80002a08c370) at sys_ioctl+0x67c syscall(ffff80002a08c420) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a08c420) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x792b7deadb80, count: 4 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e776c) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309cc35,ffffffff83013e7f,436,ffffffff8300b0ec) at __assert+0x29 rtrequest(1,ffff80002a08bf38,4,ffff80002a08bfe0,0) at rtrequest+0xdce sys/net/route.c:1078 rt_ifa_add(ffff8000015c9000,840100,ffff8000015c9058,0) at rt_ifa_add+0x22e sys/net/route.c:1273 in_ifinit(ffff800001570000,ffff8000015c9000,ffff80002a08c250,1) at in_ifinit+0x4bd in_insert_prefix sys/netinet/in.c:770 [inline] in_ifinit(ffff800001570000,ffff8000015c9000,ffff80002a08c250,1) at in_ifinit+0x4bd sys/netinet/in.c:703 in_ioctl_change_ifaddr(8040691a,ffff80002a08c240,ffff800001570000) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff800010fdb238,8040691a,ffff80002a08c240,ffff80003378d1e8) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff800010fdb238,8040691a,ffff80002a08c240,ffff80003378d1e8) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff80003378d1e8,ffff80002a08c420,ffff80002a08c370) at sys_ioctl+0x67c syscall(ffff80002a08c420) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a08c420) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x792b7deadb80, count: -11