l+-:@m:Eor"yCSbahޞģz6sǬ=ZGqhIj6C$p?#HR@u;(O+:}{7A6Sv{ex27!Aw{*v'6b77ʓӚ2Z) S螰u7T^cl+-:@m:Eor"yCSbahޞģz6sǬ=ZGqhIj6C$p?#HR@u;(O+:}{7A6Sv{ex27!Aw{*v'6b77ʓӚ2Z) S螰u7T^cuvm_fault(0xffffffff828e31b8, 0x10, 0, 1) -> e kernel: page fault trap, code=0 Stopped at nd6_dad_duplicated+0x28: movq 0x10(%r14),%r13 TID PID UID PRFLAGS PFLAGS CPU COMMAND *415665 11795 0 0x14000 0x200 0K softnet nd6_dad_duplicated(0) at nd6_dad_duplicated+0x28 sys/netinet6/nd6_nbr.c:1265 nd6_ns_input(fffffd80607fa500,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd80607fa500,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff800021167138,ffff800021167144,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff800021167138,ffff800021167144,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff800021167138,ffff800021167144,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd806a1bb800) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd806a1bb800,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd806a1bb800) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff800021167278) at if_input_process+0xd2 sys/net/if.c:843 ifiq_process(ffff8000006ae450) at ifiq_process+0x80 sys/net/ifq.c:773 taskq_thread(ffff80000002c000) at taskq_thread+0xe6 sys/kern/kern_task.c:449 end trace frame: 0x0, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xffffffff828e31b8, 0x10, 0, 1) -> e ddb{0}> trace nd6_dad_duplicated(0) at nd6_dad_duplicated+0x28 sys/netinet6/nd6_nbr.c:1265 nd6_ns_input(fffffd80607fa500,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd80607fa500,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff800021167138,ffff800021167144,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff800021167138,ffff800021167144,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff800021167138,ffff800021167144,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd806a1bb800) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd806a1bb800,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd806a1bb800) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff800021167278) at if_input_process+0xd2 sys/net/if.c:843 ifiq_process(ffff8000006ae450) at ifiq_process+0x80 sys/net/ifq.c:773 taskq_thread(ffff80000002c000) at taskq_thread+0xe6 sys/kern/kern_task.c:449 end trace frame: 0x0, count: -11 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff800021166cd0 rbx 0 rdx 0 rcx 0x7 rax 0xffff8000211487e0 r8 0xffffffff8194e56c nd6_ns_input+0x3bc r9 0x1 r10 0xddb534524cbf75a r11 0x5c5189f8c0a5e102 r12 0 r13 0x2 r14 0 r15 0xffff800000c50300 rip 0xffffffff81950d98 nd6_dad_duplicated+0x28 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021166c50 ss 0x10 nd6_dad_duplicated+0x28: movq 0x10(%r14),%r13 ddb{0}> show proc PROC (softnet) pid=415665 stat=onproc flags process=14000 proc=200 pri=32, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff800021148000,0xffff800021148a90 process=0xffff8000ffffd0c0 user=0xffff800021162000, vmspace=0xffffffff828e31b8 estcpu=1, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 97464 174434 90661 0 2 0 syz-executor.0 97464 246615 90661 0 2 0x4000000 syz-executor.0 90661 204059 88304 0 2 0x482 syz-executor.0 74838 455914 88304 0 2 0x2 syz-executor.1 62813 351574 1 0 3 0x100083 ttyin getty 27204 235595 0 0 3 0x14200 acct acct 67121 500892 0 0 3 0x14280 nfsidl nfsio 91577 163169 0 0 3 0x14280 nfsidl nfsio 33431 5047 0 0 3 0x14280 nfsidl nfsio 60880 224220 0 0 3 0x14280 nfsidl nfsio 76540 85809 0 0 3 0x14280 nfsidl nfsio 72663 334232 0 0 3 0x14280 nfsidl nfsio 62482 89517 0 0 3 0x14280 nfsidl nfsio 82691 17386 0 0 3 0x14280 nfsidl nfsio 80464 155526 0 0 3 0x14280 nfsidl nfsio 93588 186309 0 0 3 0x14280 nfsidl nfsio 218 105191 0 0 3 0x14280 nfsidl nfsio 3877 125260 0 0 3 0x14280 nfsidl nfsio 34965 317317 0 0 3 0x14280 nfsidl nfsio 79673 113881 0 0 3 0x14280 nfsidl nfsio 9709 49706 0 0 3 0x14280 nfsidl nfsio 43943 145320 0 0 3 0x14280 nfsidl nfsio 79584 66841 0 0 3 0x14280 nfsidl nfsio 17685 116183 0 0 3 0x14280 nfsidl nfsio 83764 327940 0 0 3 0x14280 nfsidl nfsio 94789 45677 0 0 3 0x14280 nfsidl nfsio 94691 364763 0 0 3 0x14200 bored sosplice 88304 297956 37287 0 3 0x82 kqread syz-fuzzer 88304 321218 37287 0 3 0x4000082 nanoslp syz-fuzzer 88304 309499 37287 0 3 0x4000082 thrsleep syz-fuzzer 88304 200632 37287 0 3 0x4000082 thrsleep syz-fuzzer 88304 82952 37287 0 3 0x4000082 thrsleep syz-fuzzer 88304 508406 37287 0 3 0x4000082 thrsleep syz-fuzzer 88304 391611 37287 0 3 0x4000082 nanoslp syz-fuzzer 88304 142672 37287 0 3 0x4000082 thrsleep syz-fuzzer 37287 395854 16805 0 3 0x10008a sigsusp ksh 16805 35488 2189 0 3 0x9a kqread sshd 2189 85056 1 0 3 0x88 kqread sshd 18259 434074 8527 74 3 0x100092 bpf pflogd 8527 352109 1 0 3 0x80 netio pflogd 8799 277030 18554 73 3 0x100090 kqread syslogd 18554 205811 1 0 3 0x100082 netio syslogd 85224 19952 1 0 3 0x100080 kqread resolvd 33922 265664 0 0 3 0x14200 bored smr 97843 59213 0 0 2 0x14200 zerothread 3602 155955 0 0 3 0x14200 aiodoned aiodoned 19585 367722 0 0 3 0x14200 syncer update 44999 298384 0 0 3 0x14200 cleaner cleaner 96311 515436 0 0 3 0x14200 reaper reaper 68049 35391 0 0 3 0x14200 pgdaemon pagedaemon 58430 366069 0 0 3 0x14200 bored viomb 46976 493821 0 0 3 0x40014200 acpi0 acpi0 83745 100533 0 0 7 0x40014200 idle1 *11795 415665 0 0 7 0x14200 softnet 3387 364849 0 0 2 0x14200 systqmp 76001 212017 0 0 3 0x14200 bored systq 17109 519971 0 0 2 0x40014200 softclock 89332 210323 0 0 3 0x40014200 idle0 1 25414 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 74838 (syz-executor.1) thread 0xffff80002187b508 (455914) exclusive rrwlock inode r = 0 (0xfffffd806e2414d8) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 rw_enter+0x3e2 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347 #6 ffs_inode_alloc+0x1c3 sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3065 #10 syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8078c3a6f8) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 rw_enter+0x3e2 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xdd sys/kern/vfs_lookup.c:413 #6 namei+0x55a sys/kern/vfs_lookup.c:245 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3050 #8 syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587 #9 Xsyscall+0x128 Process 11795 (softnet) thread 0xffff8000211487e0 (415665) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828b0358) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 kpageflttrap+0x229 sys/arch/amd64/amd64/trap.c:274 #2 kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 #3 alltraps_kern_meltdown+0x7b #4 nd6_dad_duplicated+0x28 sys/netinet6/nd6_nbr.c:1265 #5 nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] #5 nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 #6 icmp6_input+0xabe sys/netinet6/icmp6.c:686 #7 ip_deliver+0x322 sys/netinet/ip_input.c:658 #8 ip6_input_if+0x978 #9 ipv6_input+0x48 sys/netinet6/ip6_input.c:171 #10 if_input_local+0x136 sys/net/if.c:778 #11 loinput+0x4d sys/net/if_loop.c:238 #12 if_input_process+0xd2 sys/net/if.c:843 #13 ifiq_process+0x80 sys/net/ifq.c:773 #14 taskq_thread+0xe6 sys/kern/kern_task.c:449 #15 proc_trampoline+0x1c exclusive rwlock netlock r = 0 (0xffffffff8282d820) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 if_input_process+0xa1 sys/net/if.c:843 #2 ifiq_process+0x80 sys/net/ifq.c:773 #3 taskq_thread+0xe6 sys/kern/kern_task.c:449 #4 proc_trampoline+0x1c shared rwlock softnet r = 0 (0xffff80000002c070) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 taskq_thread+0xcb sys/kern/kern_task.c:445 #2 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10129 6448K 7471K 78643K 16087 0 pcb 15 8K 8K 78643K 1075 0 rtable 116 21K 23K 78643K 2918 0 ifaddr 56 16K 20K 78643K 1110 0 sysctl 3 1K 1K 78643K 9 0 counters 44 34K 34K 78643K 386 0 ioctlops 0 0K 4K 78643K 3961 0 iov 0 0K 24K 78643K 801 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1258 79K 80K 78643K 4728 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 91 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 1022 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 25K 78643K 11494 0 sigio 0 0K 0K 78643K 35 0 proc 68 63K 99K 78643K 2176 0 subproc 66 4K 4K 78643K 1557 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 749 0 in_multi 15 1K 2K 78643K 1295 0 ether_multi 1 0K 0K 78643K 178 0 mrt 2 0K 0K 78643K 64 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 85 387K 387K 78643K 85 0 exec 0 0K 2K 78643K 2270 0 pfkey data 0 0K 0K 78643K 6 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 485 1016K 1017K 78643K 138748 0 UVM aobj 131 9K 9K 78643K 146 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 1127 0 NDP 7 0K 0K 78643K 325 0 temp 98 4220K 8316K 78643K 249581 0 kqueue 6 10K 24K 78643K 715 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 584 0 583 1 0 1 1 0 8 0 rtentry 112 929 0 910 2 0 2 2 0 8 0 unpcb 128 5351 0 5343 2 1 1 2 0 8 0 syncache 296 25 0 25 13 13 0 1 0 8 0 tcpqe 32 32 0 32 4 4 0 1 0 8 0 tcpcb 736 2807 0 2803 32 30 2 3 0 8 1 arp 120 130 0 126 1 0 1 1 0 8 0 inpcb 304 7739 0 7727 13 12 1 2 0 8 0 rttmr 72 11 0 11 7 7 0 1 0 8 0 nd6 48 225 0 222 3 2 1 1 0 8 0 pkpcb 40 53 0 53 18 18 0 1 0 8 0 kcovpl 48 47 0 45 1 0 1 1 0 8 0 ppxss 1248 35 0 35 18 18 0 1 0 8 0 pfstscr 40 5 0 5 2 2 0 1 0 8 0 pffrag 232 74 0 74 8 8 0 1 0 482 0 pffrnode 88 74 0 74 8 8 0 1 0 8 0 pffrent 40 1310 0 1310 8 8 0 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 139 0 119 5 3 2 2 0 8 0 pftag 88 85 0 81 3 2 1 1 0 8 0 pfqueue 264 2 0 2 1 1 0 1 0 8 0 pfstitem 24 58 0 56 1 0 1 1 0 8 0 pfstkey 112 66 0 64 1 0 1 1 0 8 0 pfstate 320 61 0 59 3 2 1 3 0 8 0 pfsrctr 152 94 0 94 4 3 1 1 0 8 1 pfrule 1360 1377 0 1314 7 1 6 6 0 8 0 art_heap8 4096 2 0 1 2 1 1 2 0 8 0 art_heap4 256 4530 0 4408 43 32 11 14 0 8 1 art_table 32 4532 0 4409 2 0 2 2 0 8 0 art_node 16 918 0 898 1 0 1 1 0 8 0 sysvmsgpl 40 22 0 8 1 0 1 1 0 8 0 semupl 112 15 0 15 1 1 0 1 0 8 0 semapl 112 1020 0 1010 1 0 1 1 0 8 0 shmpl 112 143 0 15 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 15573 0 14138 92 2 90 90 0 8 0 ffsino 272 15573 0 14138 97 1 96 96 0 8 0 nchpl 144 32713 0 32252 61 42 19 61 0 8 0 uvmvnodes 72 8246 0 0 150 0 150 150 0 8 0 vnodes 224 8246 0 0 486 0 486 486 0 8 0 namei 1024 105380 0 105379 20 19 1 1 0 8 0 percpumem 16 205 0 171 1 0 1 1 0 8 0 vcpupl 2048 98 0 4 12 0 12 12 0 8 0 vmpool 560 135 0 41 8 1 7 7 0 8 0 pfiaddrpl 120 54 0 30 1 0 1 1 0 8 0 scsiplug 72 9 0 9 8 8 0 1 0 8 0 scxspl 216 99978 0 99978 42 41 1 8 0 8 1 plimitpl 152 667 0 659 1 0 1 1 0 8 0 sigapl 424 11660 0 11609 9 3 6 7 0 8 0 futexpl 64 175378 0 175378 19 18 1 1 0 8 1 knotepl 112 162 0 0 3 0 3 3 0 8 0 kqueuepl 216 2521 0 2509 8 7 1 2 0 8 0 pipepl 336 1525 0 1515 14 12 2 2 0 8 0 fdescpl 496 11601 0 11586 3 0 3 3 0 8 0 filepl 152 67916 0 67780 20 14 6 8 0 8 0 lockfpl 104 2489 0 2488 1 0 1 1 0 8 0 lockfspl 48 722 0 721 1 0 1 1 0 8 0 sessionpl 144 70 0 60 1 0 1 1 0 8 0 pgrppl 48 115 0 105 1 0 1 1 0 8 0 ucredpl 96 7176 0 7167 1 0 1 1 0 8 0 zombiepl 144 11609 0 11609 7 6 1 1 0 8 1 processpl 1072 11660 0 11609 4 0 4 4 0 8 0 procpl 672 27064 0 27005 8 2 6 6 0 8 0 srpgc 96 20 0 20 9 9 0 1 0 8 0 sosppl 168 95 0 95 29 29 0 1 0 8 0 sockpl 480 13752 0 13731 35 32 3 5 0 8 0 mcl64k 65536 25 0 0 3 0 3 3 0 8 0 mcl16k 16384 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 16 0 0 2 0 2 2 0 8 0 mcl8k 8192 23 0 0 3 0 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 302 0 0 22 1 21 22 0 8 0 mtagpl 96 30 0 0 1 0 1 1 0 8 0 mbufpl 256 1153 0 0 29 0 29 29 0 8 0 bufpl 280 27249 0 20920 453 0 453 453 0 8 0 anonpl 24 3248342 0 3230968 387 277 110 139 0 186 0 amapchunkpl 152 343554 0 342869 143 114 29 42 0 158 0 amappl16 200 28742 0 28135 241 208 33 45 0 8 0 amappl15 192 1312 0 1307 1 0 1 1 0 8 0 amappl14 184 958 0 956 1 0 1 1 0 8 0 amappl13 176 1334 0 1332 1 0 1 1 0 8 0 amappl12 168 1373 0 1369 1 0 1 1 0 8 0 amappl11 160 1793 0 1781 1 0 1 1 0 8 0 amappl10 152 2271 0 2267 1 0 1 1 0 8 0 amappl9 144 2155 0 2152 1 0 1 1 0 8 0 amappl8 136 2008 0 1909 5 1 4 4 0 8 0 amappl7 128 985 0 977 1 0 1 1 0 8 0 amappl6 120 2146 0 2134 1 0 1 1 0 8 0 amappl5 112 11676 0 11654 1 0 1 1 0 8 0 amappl4 104 4601 0 4569 1 0 1 1 0 8 0 amappl3 96 3095 0 3076 1 0 1 1 0 8 0 amappl2 88 13276 0 13226 3 1 2 2 0 8 0 amappl1 80 193360 0 192968 13 3 10 13 0 8 0 amappl 88 137376 0 137127 6 0 6 6 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 64 145 0 15 3 0 3 3 0 8 0 uaddrrnd 24 11736 0 11627 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 11736 0 11627 1 0 1 1 0 8 0 vmmpekpl 168 70467 0 70420 3 0 3 3 0 8 0 vmmpepl 168 1048275 0 1046283 566 463 103 129 0 357 5 vmsppl 368 11735 0 11627 10 0 10 10 0 8 0 rwobjpl 56 237637 0 236179 72 50 22 25 0 8 0 pdppl 4096 23480 0 23348 208 74 134 135 0 8 2 pvpl 32 5747751 0 5726797 609 433 176 247 0 265 0 pmappl 224 11735 0 11627 7 0 7 7 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 604 0 175 13 0 13 13 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace nd6_dad_duplicated(0) at nd6_dad_duplicated+0x28 sys/netinet6/nd6_nbr.c:1265 nd6_ns_input(fffffd80607fa500,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd80607fa500,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff800021167138,ffff800021167144,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff800021167138,ffff800021167144,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff800021167138,ffff800021167144,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd806a1bb800) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd806a1bb800,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd806a1bb800) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff800021167278) at if_input_process+0xd2 sys/net/if.c:843 ifiq_process(ffff8000006ae450) at ifiq_process+0x80 sys/net/ifq.c:773 taskq_thread(ffff80000002c000) at taskq_thread+0xe6 sys/kern/kern_task.c:449 end trace frame: 0x0, count: -11 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020d38ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x2eb sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800020d38ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x2eb sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -5