kernel: protection fault trap, code=0 Stopped at nd6_timer+0x97: movq 0x48(%rbx),%r13 ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace nd6_timer(0) at nd6_timer+0x97 sys/netinet6/nd6.c:279 timeout_run(ffffffff836031d8) at timeout_run+0x118 softclock_thread(ffff8000ffffeca8) at softclock_thread+0x163 sys/kern/kern_timeout.c:811 end trace frame: 0x0, count: -3 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800029f9b660 rbx 0xdeaf4152deaf4152 rdx 0 rcx 0xffff8000ffffeca8 rax 0xffffffff834adff0 cpu_info_full_primary+0x1ff0 r8 0 r9 0 r10 0xa050ab859bd885e4 r11 0x98e8685d6320e25 r12 0x84 r13 0x1 r14 0x89 r15 0xae9765aecef4adc5 rip 0xffffffff829ef4b7 nd6_timer+0x97 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800029f9b620 ss 0x10 nd6_timer+0x97: movq 0x48(%rbx),%r13 ddb{0}> show proc PROC (softclock) tid=397472 pid=45412 tcnt=1 stat=onproc flags process=14000 proc=40000200 runpri=50, usrpri=50, slppri=0, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffff950,0xffff8000ffffea30 process=0xffff800029f8dfb8 user=0xffff800029f96000, vmspace=0xffffffff83516a50 estcpu=0, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 25277 89568 35103 0 2 0x8000000 syz-executor 25277 103402 35103 0 3 0xc000080 fsleep syz-executor 85731 200154 29703 0 2 0x8000000 syz-executor 85731 485611 29703 0 2 0xc000000 syz-executor 84649 257919 57807 0 2 0x8000480 syz-executor 84649 30976 57807 0 3 0xc000080 fsleep syz-executor 84649 430155 57807 0 3 0xc000080 fsleep syz-executor 40866 442027 76719 0 2 0x8000480 syz-executor 40866 401304 76719 0 3 0xc000080 lockf syz-executor 40866 147981 76719 0 3 0xc000080 fsleep syz-executor 42643 272501 55243 0 2 0x8000000 syz-executor 42643 48069 55243 0 3 0xc000080 fsleep syz-executor 42643 41822 55243 0 3 0xc000080 fsleep syz-executor 76719 509357 65753 0 2 0x8000482 syz-executor 55243 244432 65753 0 2 0x8000482 syz-executor 45675 159537 65753 0 2 0x8000002 syz-executor 70772 285456 65753 0 2 0x8000002 syz-executor 29703 245362 65753 0 2 0x8000482 syz-executor 35103 422863 65753 0 2 0x8000482 syz-executor 57807 269060 65753 0 2 0x8000482 syz-executor 5540 354505 65753 0 2 0x8000482 syz-executor 99388 198076 1 0 3 0x18100083 ttyin getty 64761 348273 0 0 3 0x14280 nfsidl nfsio 38639 180197 0 0 3 0x14280 nfsidl nfsio 32482 321143 0 0 3 0x14280 nfsidl nfsio 30554 473142 0 0 3 0x14280 nfsidl nfsio 46769 155198 0 0 3 0x14280 nfsidl nfsio 10041 521466 0 0 3 0x14280 nfsidl nfsio 3448 508637 0 0 3 0x14280 nfsidl nfsio 48860 225888 0 0 3 0x14280 nfsidl nfsio 74210 11836 0 0 3 0x14280 nfsidl nfsio 26506 275998 0 0 3 0x14280 nfsidl nfsio 81696 307033 0 0 3 0x14280 nfsidl nfsio 48737 260798 0 0 3 0x14280 nfsidl nfsio 12998 224607 0 0 3 0x14280 nfsidl nfsio 96423 515957 0 0 3 0x14280 nfsidl nfsio 12202 89108 0 0 3 0x14280 nfsidl nfsio 74398 334235 0 0 3 0x14280 nfsidl nfsio 89963 448535 0 0 3 0x14280 nfsidl nfsio 79586 298734 0 0 3 0x14280 nfsidl nfsio 64024 381724 0 0 3 0x14280 nfsidl nfsio 85819 480320 0 0 3 0x14280 nfsidl nfsio 60653 428674 0 0 3 0x14200 bored sosplice 65753 380060 51498 0 7 0x8000002 syz-executor 51498 295099 30630 0 3 0x810008a sigsusp ksh 30630 80592 51871 0 3 0x18000098 kqread sshd-session 51871 140885 74416 0 3 0x18000092 kqread sshd-session 74416 261855 1 0 3 0x18000088 kqread sshd 64167 469204 70680 74 3 0x19100092 bpf pflogd 70680 184296 1 0 3 0x18000080 sbwait pflogd 98804 27614 64059 73 2 0x19100010 syslogd 64059 409952 1 0 3 0x18100082 sbwait syslogd 77518 349510 1 0 3 0x18100080 kqread resolvd 6078 330805 71864 77 3 0x18100092 kqread dhcpleased 46853 273186 71864 77 3 0x18100092 kqread dhcpleased 71864 254158 1 0 3 0x18000080 kqread dhcpleased 12148 205640 0 0 2 0x40014200 smr 4086 381874 0 0 3 0x14200 pgzero zerothread 73808 347055 0 0 3 0x14200 aiodoned aiodoned 23905 350480 0 0 3 0x14200 syncer update 96983 310713 0 0 3 0x14200 cleaner cleaner 15319 423806 0 0 2 0x14200 reaper 97948 456440 0 0 3 0x14200 pgdaemon pagedaemon 18097 77329 0 0 3 0x14200 bored viomb 82753 204663 0 0 3 0x40014200 acpi0 acpi0 32301 468886 0 0 3 0x40014200 idle1 48761 384702 0 0 3 0x14200 bored softnet3 8361 393199 0 0 3 0x14200 bored softnet2 61554 493746 0 0 3 0x14200 bored softnet1 71064 187833 0 0 2 0x14200 softnet0 97880 433448 0 0 2 0x14200 systqmp 77964 178427 0 0 3 0x14200 bored systq 25628 127097 0 0 3 0x14200 tmoslp softclockmp *45412 397472 0 0 7 0x40014200 softclock 57480 185169 0 0 3 0x40014200 idle0 1 523225 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 85731 (syz-executor) thread 0xffff800037236a58 (485611) exclusive rrwlock inode r = 0 (0xfffffd806de8bb38) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:120 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3100 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806df43708) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 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:3085 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 70772 (syz-executor) thread 0xffff800034b8acd8 (285456) exclusive rrwlock inode r = 0 (0xfffffd80630e71a8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 vget+0x2bd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x171 sys/ufs/ufs/ufs_ihash.c:95 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e072918) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 vget+0x2bd sys/kern/vfs_subr.c:676 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x218 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #10 namei+0x7aa sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #12 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #12 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 Process 98804 (syslogd) thread 0xffff8000ffffdbe8 (27614) exclusive rrwlock inode r = 0 (0xfffffd806e4962c0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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:2927 #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 Process 15319 (reaper) thread 0xffff800029fd9448 (423806) exclusive rwlock vmmaplk r = 0 (0xfffffd806c3bdec8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0x143 sys/uvm/uvm_map.c:5252 #3 uvm_map_teardown+0x5e sys/uvm/uvm_map.c:2466 #4 uvmspace_free+0xcd sys/uvm/uvm_map.c:3422 #5 reaper+0x246 sys/kern/kern_exit.c:481 #6 proc_trampoline+0x10 Process 45412 (softclock) thread 0xffff8000ffffeca8 (397472) exclusive rwlock netlock r = 0 (0xffffffff83463620) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 nd6_timer+0x51 sys/netinet6/nd6.c:272 #2 timeout_run+0x118 #3 softclock_thread+0x163 sys/kern/kern_timeout.c:811 #4 proc_trampoline+0x10 shared rwlock timeout r = 0 (0xffffffff834e1f20) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 timeout_run+0xf1 sys/kern/kern_timeout.c:659 #2 softclock_thread+0x163 sys/kern/kern_timeout.c:811 #3 proc_trampoline+0x10 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835583b8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 __mp_acquire_count+0x58 #2 mi_switch+0x658 sys/kern/sched_bsd.c:460 #3 sleep_finish+0x219 sys/kern/kern_synch.c:416 #4 msleep+0x13b sys/kern/kern_synch.c:249 #5 softclock_thread+0x11f sys/kern/kern_timeout.c:807 #6 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10221 10299K 10564K 166960K 12363 0 pcb 19 15K 16K 166960K 164 0 rtable 227 7K 9K 166960K 1570 0 pf 32 17K 22K 166960K 154 0 ifaddr 39 7K 8K 166960K 210 0 ifgroup 51 2K 2K 166960K 235 0 sysctl 3 0K 0K 166960K 3 0 counters 62 36K 36K 166960K 154 0 ioctlops 0 0K 4K 166960K 1675 0 iov 0 0K 12K 166960K 31 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1486 93K 94K 166960K 2680 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 5K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 35 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 16 57K 93K 166960K 1163 0 sigio 0 0K 0K 166960K 12 0 proc 72 115K 140K 166960K 1668 0 subproc 104 6K 6K 166960K 598 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 80 0 in_multi 88 6K 7K 166960K 527 0 ether_multi 2 0K 0K 166960K 3 0 mrt 1 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 217 970K 970K 166960K 217 0 exec 0 0K 1K 166960K 1053 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 251 77K 91K 166960K 10297 0 UVM aobj 19 2K 2K 166960K 19 0 pinsyscall 41 82K 105K 166960K 3224 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 31 0 NDP 11 0K 2K 166960K 149 0 temp 57 6819K 6884K 166960K 16641 0 kqueue 13 20K 28K 166960K 102 0 SYN cache 2 8K 16K 166960K 3 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 120 151 0 147 1 0 1 1 0 8 0 rtentry 112 544 0 441 6 2 4 4 0 8 0 unpcb 144 396 0 378 4 2 2 2 0 8 1 syncache 336 6 0 6 3 2 1 1 0 8 1 tcpqe 32 3 0 3 1 1 0 1 0 8 0 tcpcb 808 250 0 245 11 7 4 4 0 8 3 arp 120 97 0 81 1 0 1 1 0 8 0 inpcb 336 1104 0 1090 19 9 10 10 0 8 8 nd6 136 144 0 120 1 0 1 1 0 8 0 pkpcb 40 5 0 5 2 2 0 1 0 8 0 kcovpl 48 46 0 38 1 0 1 1 0 8 0 ppxss 1168 2 0 2 2 1 1 1 0 8 1 pffrag 232 2 0 1 2 1 1 1 0 482 0 pffrnode 88 2 0 1 2 1 1 1 0 8 0 pffrent 40 3 0 2 3 2 1 1 0 8 0 pfosfp 40 1429 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1429 0 714 21 0 21 21 0 8 0 pfrktable 1344 5 0 5 1 1 0 1 0 8 0 pfanchor 1288 1 0 1 1 1 0 1 0 8 0 pftag 88 2 0 2 1 1 0 1 0 8 0 pfstitem 24 21 0 19 1 0 1 1 0 8 0 pfstkey 128 21 0 19 1 0 1 1 0 8 0 pfstate 376 20 0 18 2 1 1 2 0 8 0 pfrule 1344 29 0 23 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2154 0 1734 38 9 29 29 0 8 0 art_table 32 2155 0 1734 4 0 4 4 0 8 0 art_node 16 542 0 448 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 4 1 0 1 1 0 8 0 semapl 112 33 0 23 1 0 1 1 0 8 0 shmpl 112 16 0 0 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 2656 0 1077 100 0 100 100 0 8 0 ffsino 272 2656 0 1077 106 0 106 106 0 8 0 nchpl 144 3623 0 1876 65 0 65 65 0 8 0 uvmvnodes 80 3758 0 0 77 0 77 77 0 8 0 vnodes 216 3758 0 0 209 0 209 209 0 8 0 namei 1024 16747 0 16746 3 2 1 1 0 8 0 percpumem 16 91 0 46 1 0 1 1 0 8 0 vcpupl 3904 1 0 0 1 0 1 1 0 8 0 vmpool 696 2 0 1 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 1 1 1 0 1 0 8 0 kstatmem 264 114 0 92 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 26419 0 26419 11 10 1 8 1 8 1 plimitpl 152 185 0 166 1 0 1 1 0 8 0 sigapl 424 1409 0 1339 10 1 9 9 0 8 0 futexpl 64 9241 0 9235 6 5 1 1 0 8 0 knotepl 120 385 0 0 10 0 10 10 0 8 0 kqueuepl 216 181 0 172 2 1 1 2 0 8 0 pipepl 320 270 0 243 3 0 3 3 0 8 0 fdescpl 496 1368 0 1338 6 1 5 5 0 8 0 filepl 152 7855 0 7597 24 8 16 16 0 8 5 lockfpl 104 189 0 185 1 0 1 1 0 8 0 lockfspl 48 85 0 82 1 0 1 1 0 8 0 sessionpl 144 61 0 52 1 0 1 1 0 8 0 pgrppl 48 117 0 100 1 0 1 1 0 8 0 ucredpl 104 1429 0 1416 1 0 1 1 0 8 0 zombiepl 144 1341 0 1339 1 0 1 1 0 8 0 processpl 1160 1409 0 1339 6 0 6 6 0 8 0 procpl 648 2274 0 2196 9 1 8 8 0 8 0 srpgc 96 4 0 4 2 1 1 1 0 8 1 sosppl 168 11 0 11 2 2 0 1 0 8 0 sockpl 664 1662 0 1626 21 9 12 12 0 8 8 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 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 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 230 0 0 29 0 29 29 0 8 0 mtagpl 96 8 0 0 1 0 1 1 0 8 0 mbufpl 256 1156 0 0 69 0 69 69 0 8 0 bufpl 280 7452 0 880 470 0 470 470 0 8 0 anonpl 24 257866 0 244696 84 4 80 80 0 185 0 amapchunkpl 152 33324 0 32252 48 5 43 43 0 158 0 amappl16 200 4578 0 4552 38 28 10 14 0 8 8 amappl15 192 46 0 45 2 1 1 1 0 8 0 amappl14 184 192 0 180 1 0 1 1 0 8 0 amappl13 176 10 0 10 1 1 0 1 0 8 0 amappl12 168 2611 0 2580 3 1 2 2 0 8 0 amappl11 160 52 0 38 1 0 1 1 0 8 0 amappl10 152 24 0 24 1 1 0 1 0 8 0 amappl9 144 155 0 155 1 1 0 1 0 8 0 amappl8 136 29 0 27 1 0 1 1 0 8 0 amappl7 128 181 0 169 1 0 1 1 0 8 0 amappl6 120 552 0 550 1 0 1 1 0 8 0 amappl5 112 291 0 279 1 0 1 1 0 8 0 amappl4 104 430 0 410 1 0 1 1 0 8 0 amappl3 96 6228 0 6097 4 0 4 4 0 8 0 amappl2 88 1141 0 1079 2 0 2 2 0 8 0 amappl1 80 13114 0 12524 18 4 14 14 0 8 0 amappl 88 9630 0 9444 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 18 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1370 0 1339 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1370 0 1339 1 0 1 1 0 8 0 vmmpekpl 168 12917 0 12856 4 0 4 4 0 8 0 vmmpepl 168 90703 0 88791 114 19 95 96 0 357 9 vmsppl 440 1369 0 1338 6 2 4 5 0 8 0 rwobjpl 56 32200 0 27453 71 3 68 68 0 8 0 pdppl 4096 2747 0 2677 138 66 72 85 0 8 2 pvpl 32 45886 0 0 371 1 370 370 0 265 0 pmappl 248 1369 0 1338 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 529 0 98 13 0 13 13 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace nd6_timer(0) at nd6_timer+0x97 sys/netinet6/nd6.c:279 timeout_run(ffffffff836031d8) at timeout_run+0x118 softclock_thread(ffff8000ffffeca8) at softclock_thread+0x163 sys/kern/kern_timeout.c:811 end trace frame: 0x0, count: -3 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800029b7bff0) 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(ffffffff835581b0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835581b0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a04e8a0) at syscall+0xa11 mi_syscall_return sys/sys/syscall_mi.h:207 [inline] syscall(ffff80002a04e8a0) at syscall+0xa11 sys/arch/amd64/amd64/trap.c:598 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x704408ce84a0, count: -6