panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *180507 92860 32767 0x10 0x4000000 1K syz-executor 173669 92860 32767 0x10 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830b8c16) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8073e12000,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8073e12000,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 sysctl_vsunlock(20000000,210) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 net_sysctl(ffff80003379cf04,3,20000000,ffff80003379cf38,0,0,f9c79b307b22da4e) at net_sysctl+0x69a sys/kern/uipc_domain.c:251 sys_sysctl(ffff800033790f88,ffff80003379d070,ffff80003379cfc0) at sys_sysctl+0x422 syscall(ffff80003379d070) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003379d070) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbc22c5190f0, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: uvm_fault_unwire_locked: address not in map ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830b8c16) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8073e12000,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8073e12000,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 sysctl_vsunlock(20000000,210) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 net_sysctl(ffff80003379cf04,3,20000000,ffff80003379cf38,0,0,f9c79b307b22da4e) at net_sysctl+0x69a sys/kern/uipc_domain.c:251 sys_sysctl(ffff800033790f88,ffff80003379d070,ffff80003379cfc0) at sys_sysctl+0x422 syscall(ffff80003379d070) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003379d070) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbc22c5190f0, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003379cc80 rbx 0xffff800029b7cdcf rdx 0 rcx 0xffff800033790f88 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x46fa04bce4e65c8e r11 0x865443438ef7719a r12 0xffff800029b7cbd0 r13 0 r14 0 r15 0x1 rip 0xffffffff81972da5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003379cc70 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=180507 pid=92860 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=86, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800033791498,0xffff800033790068 process=0xffff80003b9fc920 user=0xffff800033798000, vmspace=0xfffffd8073e12000 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 83440 263254 87790 32767 2 0x10 syz-executor 92860 375660 69432 32767 2 0x10 syz-executor *92860 180507 69432 32767 7 0x4000010 syz-executor 92860 337452 69432 32767 3 0x4000090 fsleep syz-executor 92860 173669 69432 32767 7 0x4000010 syz-executor 66780 447642 75438 32767 3 0x90 nanoslp syz-executor 66780 114966 75438 32767 3 0x4000090 ttyout syz-executor 66780 142136 75438 32767 3 0x4000090 fsleep syz-executor 64414 486825 25675 32767 3 0x90 nanoslp syz-executor 64414 20502 25675 32767 3 0x4000090 ttyout syz-executor 64414 222472 25675 32767 3 0x4000090 fsleep syz-executor 37320 422910 16471 32767 3 0x90 nanoslp syz-executor 37320 24094 16471 32767 3 0x4000090 lockf syz-executor 37320 451134 16471 32767 3 0x4000090 fsleep syz-executor 38220 120933 73144 32767 3 0x90 nanoslp syz-executor 38220 114451 73144 32767 3 0x4000090 lockf syz-executor 38220 455806 73144 32767 3 0x4000090 fsleep syz-executor 73144 251295 49824 32767 3 0x90 nanoslp syz-executor 49824 314010 97212 0 3 0x82 wait syz-executor 86203 224307 88702 32767 3 0x90 nanoslp syz-executor 88702 343072 97212 0 3 0x82 wait syz-executor 69432 103495 76794 32767 3 0x90 nanoslp syz-executor 76794 376179 97212 0 3 0x82 wait syz-executor 16471 90797 28718 32767 3 0x90 nanoslp syz-executor 28718 144251 97212 0 3 0x82 wait syz-executor 25675 140723 60189 32767 3 0x90 nanoslp syz-executor 60189 239867 97212 0 3 0x82 wait syz-executor 75438 505658 42235 32767 3 0x90 nanoslp syz-executor 42235 491180 97212 0 3 0x82 wait syz-executor 51648 120800 50835 32767 3 0x90 wait syz-executor 50835 316124 97212 0 3 0x82 wait syz-executor 87790 173923 60182 32767 3 0x90 nanoslp syz-executor 60182 162909 97212 0 3 0x82 wait syz-executor 31941 66277 33669 0 3 0x100082 sbwait arp 33669 308349 47470 0 3 0x10008a sigsusp sh 47470 384427 1 0 3 0x80 wait syz-executor 17817 71101 0 0 3 0x14200 bored sosplice 97212 9414 52686 0 3 0x82 kqread syz-executor 52686 322914 5318 0 3 0x10008a sigsusp ksh 5318 329106 84607 0 3 0x98 kqread sshd-session 84607 431940 23026 0 3 0x92 kqread sshd-session 35802 460468 1 0 3 0x100083 ttyin getty 23026 50649 1 0 3 0x88 kqread sshd 43218 373532 41168 73 3 0x1100090 kqread syslogd 41168 491261 1 0 3 0x100082 sbwait syslogd 72980 88027 1 0 3 0x100080 kqread resolvd 28450 386166 6645 77 3 0x100092 kqread dhcpleased 94377 291365 6645 77 3 0x100092 kqread dhcpleased 6645 201942 1 0 3 0x80 kqread dhcpleased 43516 523219 0 0 3 0x14200 bored smr 91296 77562 0 0 3 0x14200 pgzero zerothread 91664 61687 0 0 3 0x14200 aiodoned aiodoned 77709 337314 0 0 3 0x14200 syncer update 42112 370384 0 0 3 0x14200 cleaner cleaner 65341 9626 0 0 3 0x14200 reaper reaper 91153 223993 0 0 3 0x14200 pgdaemon pagedaemon 55616 330189 0 0 3 0x14200 bored viomb 51626 7906 0 0 3 0x40014200 acpi0 acpi0 29619 307235 0 0 3 0x40014200 idle1 37643 157601 0 0 3 0x14200 bored softnet3 74448 253620 0 0 3 0x14200 bored softnet2 32787 282184 0 0 3 0x14200 bored softnet1 76296 69620 0 0 3 0x14200 bored softnet0 5254 255282 0 0 3 0x14200 bored systqmp 13950 351291 0 0 3 0x14200 bored systq 92448 434662 0 0 3 0x14200 tmoslp softclockmp 83906 505276 0 0 3 0x40014200 tmoslp softclock 82476 41342 0 0 3 0x40014200 idle0 1 37676 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex vmmpepl r = 0 (0xffffffff83606550) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 pool_put+0x9f sys/kern/subr_pool.c:797 #4 uvm_unmap_detach+0x1b4 #5 sys_munmap+0x32f sys/uvm/uvm_mmap.c:539 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 92860 (syz-executor) thread 0xffff800033790f88 (180507) shared rwlock vmmaplk r = 0 (0xfffffd8073e120f0) #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_unwire+0x3e sys/uvm/uvm_fault.c:1622 #3 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 #4 net_sysctl+0x69a sys/kern/uipc_domain.c:251 #5 sys_sysctl+0x422 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83603a10) #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+0x658 sys/kern/sched_bsd.c:460 #3 sleep_finish+0x219 sys/kern/kern_synch.c:416 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1622 #6 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 #7 net_sysctl+0x69a sys/kern/uipc_domain.c:251 #8 sys_sysctl+0x422 #9 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #9 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #10 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff8349f1f0) #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 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:176 #3 net_sysctl+0x5a1 sys/kern/uipc_domain.c:245 #4 sys_sysctl+0x422 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10244 14127K 14131K 166960K 12785 0 pcb 17 20K 22K 166960K 25 0 rtable 248 7K 7K 166960K 17142 0 pf 31 16K 16K 166960K 1016 0 ifaddr 42 11K 11K 166960K 2000 0 ifgroup 50 2K 2K 166960K 2009 0 sysctl 4 1K 5K 166960K 15 0 counters 64 36K 36K 166960K 1038 0 ioctlops 0 0K 2K 166960K 1075 0 iov 1 4K 34K 166960K 2106 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1480 93K 93K 166960K 12804 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 413 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 1037 0 dirhash 15 3K 4K 166960K 516 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 29 109K 169K 166960K 25811 0 sigio 0 0K 0K 166960K 622 0 proc 58 79K 176K 166960K 16068 0 subproc 117 7K 13K 166960K 8398 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 5757 0 in_multi 99 7K 7K 166960K 6336 0 ether_multi 1 0K 0K 166960K 147 0 mrt 1 0K 0K 166960K 8 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 403 1791K 1791K 166960K 403 0 exec 0 0K 1K 166960K 10564 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 291 83K 139K 166960K 213939 0 UVM aobj 131 4K 8K 166960K 140 0 pinsyscall 51 102K 134K 166960K 40482 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 1K 166960K 1610 0 NDP 11 0K 2K 166960K 1486 0 temp 79 6824K 6952K 166960K 153760 0 kqueue 14 22K 37K 166960K 4007 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 3980 0 3975 26 25 1 3 0 8 0 rtentry 112 5694 0 5577 18 14 4 4 0 8 0 unpcb 144 24218 0 24202 116 112 4 10 0 8 3 syncache 336 409 0 409 34 33 1 1 0 8 1 tcpqe 32 170 0 170 28 27 1 1 0 8 1 tcpcb 808 15026 0 14975 183 171 12 18 0 8 3 arp 120 1001 0 982 1 0 1 1 0 8 0 ipq 40 174 0 170 5 4 1 1 0 8 0 ipqe 40 4856 0 4852 8 7 1 2 0 8 0 inpcb 336 34897 0 34839 215 202 13 17 0 8 4 ip6q 72 7 0 7 5 5 0 1 0 8 0 ip6af 40 14 0 14 5 5 0 1 0 8 0 nd6 136 1706 0 1676 4 2 2 2 0 8 0 kcovpl 48 646 0 637 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 22983 0 22501 227 196 31 33 0 8 0 art_table 32 22984 0 22501 8 3 5 5 0 8 0 art_node 16 5693 0 5586 1 0 1 1 0 8 0 sysvmsgpl 40 26 0 15 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 1033 0 1023 1 0 1 1 0 8 0 shmpl 112 137 0 9 4 0 4 4 0 8 0 dirhash 1024 368 0 341 17 13 4 4 0 8 0 dino2pl 256 30592 0 27469 198 2 196 196 0 8 0 ffsino 272 30592 0 27469 210 1 209 209 0 8 0 nchpl 144 56144 0 53243 109 1 108 108 0 8 0 uvmvnodes 80 10223 0 0 209 0 209 209 0 8 0 vnodes 216 10223 0 0 568 0 568 568 0 8 0 namei 1024 253138 0 253138 63 62 1 2 0 8 1 percpumem 16 533 0 487 1 0 1 1 0 8 0 kstatmem 264 996 0 974 2 0 2 2 0 8 0 scxspl 216 309304 0 309304 84 81 3 8 1 8 3 plimitpl 152 8611 0 8583 2 0 2 2 0 8 0 sigapl 424 25013 0 24953 18 10 8 9 0 8 0 futexpl 64 270692 0 270687 28 27 1 1 0 8 0 knotepl 120 1505 0 0 24 1 23 23 0 8 0 kqueuepl 216 7904 0 7894 62 59 3 7 0 8 2 pipepl 320 5327 0 5297 60 56 4 13 0 8 0 fdescpl 496 24994 0 24953 23 17 6 8 0 8 0 filepl 152 172884 0 172607 142 125 17 25 0 8 1 lockfpl 104 6046 0 6041 2 1 1 2 0 8 0 lockfspl 48 1759 0 1756 1 0 1 1 0 8 0 sessionpl 144 715 0 698 1 0 1 1 0 8 0 pgrppl 48 1896 0 1871 1 0 1 1 0 8 0 ucredpl 104 31431 0 31412 1 0 1 1 0 8 0 zombiepl 144 24955 0 24953 1 0 1 1 0 8 0 processpl 1160 25013 0 24953 13 7 6 6 0 8 0 procpl 648 55852 0 55781 15 7 8 8 0 8 0 srpgc 96 36 0 36 14 14 0 1 0 8 0 sosppl 168 278 0 277 30 29 1 1 0 8 0 sockpl 664 63568 0 63490 327 310 17 23 0 8 4 mcl64k 65536 74 0 0 3 0 3 3 0 8 0 mcl16k 16384 22 0 0 3 0 3 3 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 688 0 0 31 8 23 28 0 8 0 mtagpl 96 8 0 0 1 0 1 1 0 8 0 mbufpl 256 8847 0 0 545 0 545 545 0 8 0 bufpl 280 44203 0 33974 731 0 731 731 0 8 0 anonpl 24 3119272 0 3114738 409 350 59 90 0 185 2 amapchunkpl 152 684226 0 683536 228 197 31 47 0 158 0 amappl16 200 66370 0 66346 450 434 16 30 0 8 7 amappl15 192 45 0 45 6 6 0 1 0 8 0 amappl14 184 1498 0 1487 1 0 1 1 0 8 0 amappl13 176 26 0 26 13 13 0 1 0 8 0 amappl12 168 33709 0 33668 9 6 3 3 0 8 0 amappl11 160 124 0 114 1 0 1 1 0 8 0 amappl10 152 12 0 11 2 1 1 1 0 8 0 amappl9 144 136 0 135 2 1 1 1 0 8 0 amappl8 136 41 0 39 1 0 1 1 0 8 0 amappl7 128 1299 0 1287 1 0 1 1 0 8 0 amappl6 120 5028 0 5024 1 0 1 1 0 8 0 amappl5 112 2285 0 2276 1 0 1 1 0 8 0 amappl4 104 2591 0 2571 1 0 1 1 0 8 0 amappl3 96 140853 0 140703 6 1 5 5 0 8 0 amappl2 88 9863 0 9795 4 1 3 3 0 8 0 amappl1 80 165899 0 165332 36 17 19 21 0 8 0 amappl 88 207286 0 207055 15 9 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 72 139 0 9 3 0 3 3 0 8 0 uaddrrnd 24 24994 0 24953 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 24994 0 24953 1 0 1 1 0 8 0 vmmpekpl 168 223441 0 223392 8 4 4 5 0 8 0 vmmpepl 168 1551008 0 1548815 381 269 112 134 0 357 0 vmsppl 440 24993 0 24953 16 11 5 7 0 8 0 rwobjpl 56 424384 0 413082 196 28 168 170 0 8 0 pdppl 4096 49995 0 49906 1456 1365 91 119 0 8 2 pvpl 32 46644 0 0 368 0 368 368 0 265 0 pmappl 248 24993 0 24953 12 9 3 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 3193 0 2055 33 0 33 33 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834c4ff0) 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(ffffffff83603808) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83603808) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvn_detach(fffffd8051fc1d28) at uvn_detach+0x28 sys/uvm/uvm_vnode.c:310 uvm_unmap_detach(ffff80003b9e97c0,0) at uvm_unmap_detach+0x15e sys/uvm/uvm_map.c:1364 sys_munmap(ffff8000337902e0,ffff80003b9e9900,ffff80003b9e9850) at sys_munmap+0x32f sys/uvm/uvm_mmap.c:539 syscall(ffff80003b9e9900) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003b9e9900) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbc213e62820, count: 6 ddb{0}> trace x86_ipi_db(ffffffff834c4ff0) 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(ffffffff83603808) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83603808) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvn_detach(fffffd8051fc1d28) at uvn_detach+0x28 sys/uvm/uvm_vnode.c:310 uvm_unmap_detach(ffff80003b9e97c0,0) at uvm_unmap_detach+0x15e sys/uvm/uvm_map.c:1364 sys_munmap(ffff8000337902e0,ffff80003b9e9900,ffff80003b9e9850) at sys_munmap+0x32f sys/uvm/uvm_mmap.c:539 syscall(ffff80003b9e9900) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003b9e9900) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbc213e62820, 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(ffffffff830b8c16) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8073e12000,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8073e12000,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 sysctl_vsunlock(20000000,210) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 net_sysctl(ffff80003379cf04,3,20000000,ffff80003379cf38,0,0,f9c79b307b22da4e) at net_sysctl+0x69a sys/kern/uipc_domain.c:251 sys_sysctl(ffff800033790f88,ffff80003379d070,ffff80003379cfc0) at sys_sysctl+0x422 syscall(ffff80003379d070) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003379d070) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbc22c5190f0, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830b8c16) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8073e12000,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8073e12000,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 sysctl_vsunlock(20000000,210) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 net_sysctl(ffff80003379cf04,3,20000000,ffff80003379cf38,0,0,f9c79b307b22da4e) at net_sysctl+0x69a sys/kern/uipc_domain.c:251 sys_sysctl(ffff800033790f88,ffff80003379d070,ffff80003379cfc0) at sys_sysctl+0x422 syscall(ffff80003379d070) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003379d070) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbc22c5190f0, count: -9