panic: kernel diagnostic assertion "rdomain == rtable_l2(rdomain)" failed: file "/syzkaller/managers/multicore/kernel/sys/net/route.c", line 1307 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 435245 33769 0 0 0 1 syz-executor *222042 17727 0 0 0x4000000 0K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8343d9f2) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e5449,ffffffff8334c2a6,51b,ffffffff8341bfe0) at __assert+0x29 rt_ifa_del(ffff800001492c00,800100,ffff800001492c58,1) at rt_ifa_del+0x49d sys/net/route.c:1307 in_ioctl_change_ifaddr(8040691a,ffff80003c510640,ffff800001477800) at in_ioctl_change_ifaddr+0x69a in_remove_prefix sys/netinet/in.c:791 [inline] in_ioctl_change_ifaddr(8040691a,ffff80003c510640,ffff800001477800) at in_ioctl_change_ifaddr+0x69a in_ifscrub sys/netinet/in.c:617 [inline] in_ioctl_change_ifaddr(8040691a,ffff80003c510640,ffff800001477800) at in_ioctl_change_ifaddr+0x69a sys/netinet/in.c:486 ifioctl(ffff800001440ad0,8040691a,ffff80003c510640,ffff8000374c02b0) at ifioctl+0x1571 pru_control sys/sys/protosw.h:351 [inline] ifioctl(ffff800001440ad0,8040691a,ffff80003c510640,ffff8000374c02b0) at ifioctl+0x1571 sys/net/if.c:2448 sys_ioctl(ffff8000374c02b0,ffff80003c510820,ffff80003c510770) at sys_ioctl+0x5c3 syscall(ffff80003c510820) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c510820) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x80a8eff25c0, count: 6 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 "rdomain == rtable_l2(rdomain)" failed: file "/syzkaller/managers/multicore/kernel/sys/net/route.c", line 1307 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8343d9f2) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e5449,ffffffff8334c2a6,51b,ffffffff8341bfe0) at __assert+0x29 rt_ifa_del(ffff800001492c00,800100,ffff800001492c58,1) at rt_ifa_del+0x49d sys/net/route.c:1307 in_ioctl_change_ifaddr(8040691a,ffff80003c510640,ffff800001477800) at in_ioctl_change_ifaddr+0x69a in_remove_prefix sys/netinet/in.c:791 [inline] in_ioctl_change_ifaddr(8040691a,ffff80003c510640,ffff800001477800) at in_ioctl_change_ifaddr+0x69a in_ifscrub sys/netinet/in.c:617 [inline] in_ioctl_change_ifaddr(8040691a,ffff80003c510640,ffff800001477800) at in_ioctl_change_ifaddr+0x69a sys/netinet/in.c:486 ifioctl(ffff800001440ad0,8040691a,ffff80003c510640,ffff8000374c02b0) at ifioctl+0x1571 pru_control sys/sys/protosw.h:351 [inline] ifioctl(ffff800001440ad0,8040691a,ffff80003c510640,ffff8000374c02b0) at ifioctl+0x1571 sys/net/if.c:2448 sys_ioctl(ffff8000374c02b0,ffff80003c510820,ffff80003c510770) at sys_ioctl+0x5c3 syscall(ffff80003c510820) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c510820) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x80a8eff25c0, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c510290 rbx 0xffffffff837e4dc7 cpu_info_full_primary+0x2dc7 rdx 0 rcx 0xffff8000374c02b0 rax 0xffffffff837e3ff0 cpu_info_full_primary+0x1ff0 r8 0 r9 0x8080808080808080 r10 0x39400217964aeab6 r11 0x3b794f721846e564 r12 0xffffffff837e4bc8 cpu_info_full_primary+0x2bc8 r13 0 r14 0 r15 0x1 rip 0xffffffff8162a2e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c510280 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=222042 pid=17727 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000374c0f58,0xffff8000374c1c10 process=0xffff8000374b7020 user=0xffff80003c50b000, vmspace=0xfffffd806bea33a8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 73614 196267 33320 0 2 0 syz-executor 33769 435245 21971 0 7 0 syz-executor 33769 277305 21971 0 2 0x4000000 syz-executor 17727 61117 4837 0 2 0 syz-executor *17727 222042 4837 0 7 0x4000000 syz-executor 17727 302637 4837 0 3 0x4000080 fsleep syz-executor 11554 104896 22634 0 2 0 syz-executor 11554 54951 22634 0 2 0x4000000 syz-executor 38492 465461 0 0 3 0x14200 bored sosplice 77101 414863 1344 0 3 0x80 nanoslp syz-executor 77101 338677 1344 0 3 0x4000080 ttyopn syz-executor 77101 295526 1344 0 3 0x4000080 fsleep syz-executor 18173 104358 34053 0 2 0x480 syz-executor 18173 474223 34053 0 3 0x4000080 kqsel syz-executor 18173 350507 34053 0 3 0x4000080 fsleep syz-executor 18173 363017 34053 0 3 0x4000080 fsleep syz-executor 95601 172873 47884 0 3 0x3000 suspend syz-executor 95601 500287 47884 0 2 0x4081000 syz-executor 1344 43378 47145 0 3 0x82 nanoslp syz-executor 21971 483044 47145 0 2 0x482 syz-executor 22634 365173 47145 0 3 0x82 nanoslp syz-executor 33320 215496 47145 0 3 0x82 nanoslp syz-executor 4837 207880 47145 0 3 0x82 nanoslp syz-executor 47884 50544 47145 0 3 0x82 wait syz-executor 11617 35468 47145 0 2 0x2 syz-executor 34053 486557 47145 0 3 0x82 nanoslp syz-executor 47145 319542 98338 0 3 0x82 kqread syz-executor 98338 438798 7122 0 3 0x10008a sigsusp ksh 7122 308987 9360 0 3 0x98 kqread sshd-session 9360 305970 83439 0 3 0x92 kqread sshd-session 74840 334760 1 0 3 0x100083 ttyin getty 83439 477396 1 0 3 0x88 kqread sshd 89177 462090 78559 74 3 0x1100092 bpf pflogd 78559 336980 1 0 3 0x80 sbwait pflogd 65485 516186 82000 73 3 0x1100090 kqread syslogd 82000 268175 1 0 3 0x100082 sbwait syslogd 73504 1859 1 0 3 0x100080 kqread resolvd 32295 9748 73537 77 3 0x100092 kqread dhcpleased 61895 519122 73537 77 3 0x100092 kqread dhcpleased 73537 237412 1 0 3 0x80 kqread dhcpleased 73399 112851 0 0 3 0x14200 bored smr 11027 522748 0 0 3 0x14200 pgzero zerothread 15572 150913 0 0 3 0x14200 aiodoned aiodoned 49069 445931 0 0 3 0x14200 syncer update 1167 56130 0 0 3 0x14200 cleaner cleaner 61182 22426 0 0 3 0x14200 reaper reaper 58012 4294 0 0 3 0x14200 pgdaemon pagedaemon 54993 218767 0 0 3 0x14200 bored viomb 93181 469342 0 0 3 0x40014200 acpi0 acpi0 44411 273422 0 0 3 0x40014200 idle1 21643 121914 0 0 3 0x14200 bored softnet3 41074 131699 0 0 3 0x14200 bored softnet2 9830 164101 0 0 3 0x14200 bored softnet1 13443 454386 0 0 3 0x14200 bored softnet0 50100 498961 0 0 3 0x14200 bored systqmp 81576 486840 0 0 3 0x14200 bored systq 20072 35792 0 0 3 0x14200 tmoslp softclockmp 93273 160318 0 0 3 0x40014200 tmoslp softclock 368 164222 0 0 3 0x40014200 idle0 1 100837 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 33769 (syz-executor) thread 0xffff80002a3862a8 (277305) exclusive rwlock vmmaplk r = 0 (0xfffffd806bea3d90) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5250 #3 uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1858 #4 uvm_fault_check+0x987 uvmfault_amapcopy sys/uvm/uvm_fault.c:235 [inline] #4 uvm_fault_check+0x987 sys/uvm/uvm_fault.c:774 #5 uvm_fault+0x106 sys/uvm/uvm_fault.c:668 #6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 Process 17727 (syz-executor) thread 0xffff8000374c02b0 (222042) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff838a67b8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 yield+0x6a sys/kern/sched_bsd.c:320 #4 malloc+0xe5 sys/kern/kern_malloc.c:174 #5 in_ioctl_change_ifaddr+0x4db sys/netinet/in.c:460 #6 ifioctl+0x1571 pru_control sys/sys/protosw.h:351 [inline] #6 ifioctl+0x1571 sys/net/if.c:2448 #7 sys_ioctl+0x5c3 #8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 exclusive rwlock netlock r = 0 (0xffffffff8388d938) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 in_ioctl_change_ifaddr+0xbe sys/netinet/in.c:413 #3 ifioctl+0x1571 pru_control sys/sys/protosw.h:351 [inline] #3 ifioctl+0x1571 sys/net/if.c:2448 #4 sys_ioctl+0x5c3 #5 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 Process 11554 (syz-executor) thread 0xffff8000374c1c00 (54951) exclusive rwlock fdlock r = 0 (0xfffffd806beab078) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 doopenat+0x173 #3 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #4 Xsyscall+0x128 Process 95601 (syz-executor) thread 0xffff80002a386f50 (500287) exclusive rrwlock inode r = 0 (0xfffffd806bc57b90) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x190 sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x23c sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 11617 (syz-executor) thread 0xffff80002a382018 (35468) exclusive rrwlock inode r = 0 (0xfffffd806f96b990) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3087 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10209 11217K 11413K 166960K 11462 0 pcb 17 12K 12K 166960K 35 0 rtable 220 6K 7K 166960K 380 0 pf 36 17K 18K 166960K 53 0 ifaddr 42 7K 7K 166960K 50 0 ifgroup 59 2K 2K 166960K 63 0 sysctl 1 1K 1K 166960K 1 0 counters 66 36K 36K 166960K 70 0 ioctlops 0 0K 4K 166960K 1494 0 iov 0 0K 0K 166960K 3 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1403 88K 89K 166960K 1495 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 4 0K 0K 166960K 4 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 17 61K 93K 166960K 238 0 proc 71 91K 128K 166960K 540 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 18 0 in_multi 88 6K 7K 166960K 113 0 ether_multi 1 0K 0K 166960K 3 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 67 307K 307K 166960K 67 0 exec 0 0K 1K 166960K 390 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 220 72K 77K 166960K 3799 0 UVM aobj 6 2K 2K 166960K 7 0 pinsyscall 42 84K 104K 166960K 1364 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 1 0 NDP 13 0K 1K 166960K 32 0 temp 36 8630K 8695K 166960K 11392 0 kqueue 13 20K 26K 166960K 34 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 46 0 43 1 0 1 1 0 8 0 rtentry 112 113 0 13 3 0 3 3 0 8 0 unpcb 144 71 0 54 1 0 1 1 0 8 0 syncache 336 4 0 4 2 1 1 1 0 8 1 tcpcb 808 36 0 32 1 0 1 1 0 8 0 arp 120 18 0 2 1 0 1 1 0 8 0 inpcb 376 226 0 216 8 0 8 8 0 8 6 nd6 136 25 0 3 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1168 2 0 2 1 0 1 1 0 8 1 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 30 0 0 1 0 1 1 0 8 0 pfstkey 128 30 0 0 1 0 1 1 0 8 0 pfstate 376 30 0 0 3 0 3 3 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 510 0 73 28 0 28 28 0 8 0 art_table 32 511 0 73 4 0 4 4 0 8 0 art_node 16 112 0 21 1 0 1 1 0 8 0 semapl 112 2 0 0 1 0 1 1 0 8 0 shmpl 112 4 0 1 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 1735 0 225 95 0 95 95 0 8 0 ffsino 280 1735 0 225 109 0 109 109 0 8 0 nchpl 144 2066 0 382 63 0 63 63 0 8 0 uvmvnodes 80 1931 0 0 40 0 40 40 0 8 0 vnodes 216 1931 0 0 108 0 108 108 0 8 0 namei 1024 6634 0 6633 4 3 1 3 0 8 0 percpumem 16 49 0 2 1 0 1 1 0 8 0 kstatmem 264 30 0 4 2 0 2 2 0 8 0 scxspl 216 8297 0 8297 3 2 1 2 1 8 1 plimitpl 152 40 0 22 1 0 1 1 0 8 0 sigapl 424 551 0 501 7 1 6 7 0 8 0 futexpl 64 1504 0 1500 2 1 1 1 0 8 0 knotepl 120 309 0 0 10 0 10 10 0 8 0 kqueuepl 216 75 0 65 3 0 3 3 0 8 2 pipepl 328 116 0 89 3 0 3 3 0 8 0 fdescpl 504 532 0 501 5 0 5 5 0 8 0 filepl 152 2216 0 1996 13 0 13 13 0 8 4 lockfpl 104 40 0 38 1 0 1 1 0 8 0 lockfspl 48 19 0 17 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 31 0 14 1 0 1 1 0 8 0 ucredpl 104 190 0 177 1 0 1 1 0 8 0 zombiepl 144 551 0 551 1 0 1 1 0 8 1 processpl 1168 551 0 501 5 0 5 5 0 8 1 procpl 648 729 0 669 6 0 6 6 0 8 0 srpgc 96 2 0 2 1 0 1 1 0 8 1 sosppl 168 2 0 2 1 0 1 1 0 8 1 sockpl 688 348 0 318 9 0 9 9 0 8 6 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 130 0 0 17 0 17 17 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 19 0 0 3 0 3 3 0 8 0 mtagpl 96 7 0 0 1 0 1 1 0 8 0 mbufpl 256 139 0 0 9 0 9 9 0 8 0 bufpl 280 3356 0 129 231 0 231 231 0 8 0 anonpl 24 102030 0 95454 43 2 41 41 0 184 0 amapchunkpl 152 11422 0 10938 22 0 22 22 0 158 0 amappl16 200 1807 0 1588 16 4 12 12 0 8 0 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 122 0 110 1 0 1 1 0 8 0 amappl13 176 6 0 6 1 1 0 1 0 8 0 amappl12 168 1193 0 1163 3 1 2 2 0 8 0 amappl11 160 54 0 40 1 0 1 1 0 8 0 amappl10 152 3 0 3 1 1 0 1 0 8 0 amappl9 144 251 0 251 1 1 0 1 0 8 0 amappl8 136 23 0 21 1 0 1 1 0 8 0 amappl7 128 110 0 98 1 0 1 1 0 8 0 amappl6 120 185 0 182 1 0 1 1 0 8 0 amappl5 112 122 0 112 1 0 1 1 0 8 0 amappl4 104 338 0 319 1 0 1 1 0 8 0 amappl3 96 1992 0 1883 4 0 4 4 0 8 0 amappl2 88 676 0 615 2 0 2 2 0 8 0 amappl1 80 8491 0 7915 15 1 14 14 0 8 0 amappl 88 3407 0 3244 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 6 0 1 1 0 1 1 0 8 0 uaddrrnd 24 532 0 501 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 532 0 501 1 0 1 1 0 8 0 vmmpekpl 168 6204 0 6171 2 0 2 2 0 8 0 vmmpepl 168 39214 0 37174 95 3 92 92 0 357 0 vmsppl 456 531 0 501 5 0 5 5 0 8 1 rwobjpl 64 15891 0 12840 50 0 50 50 0 8 0 pdppl 4096 1072 0 1002 112 40 72 86 0 8 2 pvpl 32 14146 0 0 115 0 115 115 0 265 0 pmappl 248 531 0 501 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 290 0 46 8 0 8 8 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(ffffffff8343d9f2) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e5449,ffffffff8334c2a6,51b,ffffffff8341bfe0) at __assert+0x29 rt_ifa_del(ffff800001492c00,800100,ffff800001492c58,1) at rt_ifa_del+0x49d sys/net/route.c:1307 in_ioctl_change_ifaddr(8040691a,ffff80003c510640,ffff800001477800) at in_ioctl_change_ifaddr+0x69a in_remove_prefix sys/netinet/in.c:791 [inline] in_ioctl_change_ifaddr(8040691a,ffff80003c510640,ffff800001477800) at in_ioctl_change_ifaddr+0x69a in_ifscrub sys/netinet/in.c:617 [inline] in_ioctl_change_ifaddr(8040691a,ffff80003c510640,ffff800001477800) at in_ioctl_change_ifaddr+0x69a sys/netinet/in.c:486 ifioctl(ffff800001440ad0,8040691a,ffff80003c510640,ffff8000374c02b0) at ifioctl+0x1571 pru_control sys/sys/protosw.h:351 [inline] ifioctl(ffff800001440ad0,8040691a,ffff80003c510640,ffff8000374c02b0) at ifioctl+0x1571 sys/net/if.c:2448 sys_ioctl(ffff8000374c02b0,ffff80003c510820,ffff80003c510770) at sys_ioctl+0x5c3 syscall(ffff80003c510820) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c510820) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x80a8eff25c0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029aabff0) 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 end of kernel end trace frame: 0x7cdce8296250, count: 12 ddb{1}> trace x86_ipi_db(ffff800029aabff0) 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 end of kernel end trace frame: 0x7cdce8296250, count: -3