panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 279526 35445 0 0 0 0 syz-executor *100296 35445 0 0 0x4000000 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830b9307) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bbdd3a8,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_wire(fffffd806bbdd3a8,20000000,20011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1623 [inline] uvm_fault_wire(fffffd806bbdd3a8,20000000,20011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1605 sysctl_vslock(20000100,ff0a) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:191 kern_sysctl(ffff8000371eb664,5,20000100,ffff8000371eb698,0,37,7dcbbc2a89ed8dee) at kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 sys_sysctl(ffff800036b9d1e0,ffff8000371eb7d0,ffff8000371eb720) at sys_sysctl+0x425 syscall(ffff8000371eb7d0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371eb7d0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe2cff6012c0, 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(ffffffff830b9307) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bbdd3a8,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_wire(fffffd806bbdd3a8,20000000,20011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1623 [inline] uvm_fault_wire(fffffd806bbdd3a8,20000000,20011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1605 sysctl_vslock(20000100,ff0a) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:191 kern_sysctl(ffff8000371eb664,5,20000100,ffff8000371eb698,0,37,7dcbbc2a89ed8dee) at kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 sys_sysctl(ffff800036b9d1e0,ffff8000371eb7d0,ffff8000371eb720) at sys_sysctl+0x425 syscall(ffff8000371eb7d0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371eb7d0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe2cff6012c0, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000371eb2a0 rbx 0xffff800029b7cdbf rdx 0 rcx 0xffff800036b9d1e0 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xa489e31f5dd176ed r11 0x1fdeef916693f58a r12 0xffff800029b7cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff8290f085 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000371eb290 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=100296 pid=35445 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=86, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800036b9ccd0,0xffff800036b9c038 process=0xffff80002d7756c0 user=0xffff8000371e6000, vmspace=0xfffffd806bbdd3a8 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 35445 279526 20033 0 7 0 syz-executor *35445 100296 20033 0 7 0x4000000 syz-executor 35445 428334 20033 0 3 0x4000080 fsleep syz-executor 81228 146665 60910 0 3 0x80 nanoslp syz-executor 81228 26101 60910 0 3 0x4000080 kqsel syz-executor 81228 199755 60910 0 3 0x4000080 fsleep syz-executor 89280 341431 74500 0 3 0x80 nanoslp syz-executor 89280 477628 74500 0 3 0x4000080 kqread syz-executor 36178 221801 32764 0 3 0x80 nanoslp syz-executor 36178 229299 32764 0 3 0x4000080 pipewr syz-executor 36178 339221 32764 0 3 0x4000080 fsleep syz-executor 36178 179232 32764 0 3 0x4000080 fsleep syz-executor 90708 2154 86325 0 3 0x82 wait syz-executor 47420 511049 0 0 3 0x14200 acct acct 92341 36363 1 0 3 0x100083 ttyin getty 4984 286484 0 0 3 0x14200 bored sosplice 48348 429095 86325 0 3 0x82 wait syz-executor 32764 334097 86325 0 3 0x82 nanoslp syz-executor 74500 15220 86325 0 3 0x82 nanoslp syz-executor 50781 453619 86325 0 3 0x2 biowait syz-executor 20033 471134 86325 0 3 0x82 nanoslp syz-executor 7995 165208 86325 0 3 0x82 wait syz-executor 60910 38975 86325 0 3 0x82 nanoslp syz-executor 86325 372382 97121 0 3 0x82 kqread syz-executor 97121 45407 50771 0 3 0x10008a sigsusp ksh 50771 461389 57932 0 3 0x98 kqread sshd-session 57932 94815 41607 0 3 0x92 kqread sshd-session 41607 477360 1 0 3 0x88 kqread sshd 67800 82486 74405 74 3 0x1100092 bpf pflogd 74405 152778 1 0 3 0x80 sbwait pflogd 24874 398146 58840 73 3 0x1100090 kqread syslogd 58840 102860 1 0 3 0x100082 sbwait syslogd 78969 356736 1 0 3 0x100080 kqread resolvd 96648 366218 96195 77 3 0x100092 kqread dhcpleased 61895 409140 96195 77 3 0x100092 kqread dhcpleased 96195 109340 1 0 3 0x80 kqread dhcpleased 59781 430743 0 0 3 0x14200 bored smr 5933 420965 0 0 3 0x14200 pgzero zerothread 83540 326187 0 0 3 0x14200 aiodoned aiodoned 57369 394980 0 0 3 0x14200 syncer update 60845 508091 0 0 3 0x14200 cleaner cleaner 45531 394708 0 0 3 0x14200 reaper reaper 60798 21857 0 0 3 0x14200 pgdaemon pagedaemon 41798 224456 0 0 3 0x14200 bored viomb 20911 428680 0 0 3 0x40014200 acpi0 acpi0 23890 288370 0 0 3 0x40014200 idle1 49504 132179 0 0 3 0x14200 bored softnet3 15917 142301 0 0 3 0x14200 bored softnet2 27122 157050 0 0 3 0x14200 bored softnet1 96930 224185 0 0 3 0x14200 bored softnet0 21670 416170 0 0 3 0x14200 bored systqmp 93097 66699 0 0 3 0x14200 bored systq 12982 327178 0 0 3 0x14200 tmoslp softclockmp 92467 292584 0 0 3 0x40014200 tmoslp softclock 93515 413812 0 0 3 0x40014200 idle0 1 246288 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 35445 (syz-executor) thread 0xffff800036b9d1e0 (100296) Process 35445 (syz-executor) thread 0xffff800036b9c028 (428334) Process 50781 (syz-executor) thread 0xffff8000ffff7460 (453619) ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10236 11275K 11525K 166960K 13037 0 pcb 18 14K 16K 166960K 280 0 rtable 223 7K 7K 166960K 464 0 pf 37 18K 20K 166960K 139 0 ifaddr 44 8K 8K 166960K 81 0 ifgroup 55 2K 2K 166960K 122 0 sysctl 3 0K 2K 166960K 6 0 counters 64 36K 37K 166960K 110 0 ioctlops 0 0K 4K 166960K 1727 0 iov 0 0K 16K 166960K 190 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1495 94K 94K 166960K 2434 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 18 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 44 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 17 61K 93K 166960K 1171 0 sigio 0 0K 0K 166960K 91 0 proc 72 91K 152K 166960K 652 0 subproc 104 6K 6K 166960K 117 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 136 0 in_multi 98 7K 7K 166960K 148 0 ether_multi 1 0K 0K 166960K 9 0 mrt 2 0K 0K 166960K 10 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 229 1023K 1023K 166960K 229 0 exec 0 0K 1K 166960K 537 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 257 77K 86K 166960K 12693 0 UVM aobj 30 2K 2K 166960K 36 0 pinsyscall 42 84K 102K 166960K 2295 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 54 0 NDP 12 0K 2K 166960K 56 0 temp 77 6824K 6896K 166960K 53743 0 kqueue 14 22K 32K 166960K 209 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 120 206 0 203 3 2 1 3 0 8 0 rtentry 112 142 0 41 4 0 4 4 0 8 0 unpcb 144 752 0 734 7 1 6 6 0 8 5 syncache 336 7 0 7 3 3 0 1 0 8 0 tcpcb 808 499 0 493 19 11 8 8 0 8 6 arp 120 24 0 7 1 0 1 1 0 8 0 ipq 40 1 0 1 1 1 0 1 0 8 0 ipqe 40 3 0 3 1 1 0 1 0 8 0 inpcb 336 1569 0 1558 20 10 10 13 0 8 8 nd6 136 33 0 3 2 0 2 2 0 8 0 pkpcb 40 6 0 6 1 1 0 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1168 15 0 15 3 2 1 1 0 8 1 pffrag 232 6 0 4 1 0 1 1 0 482 0 pffrnode 88 6 0 4 1 0 1 1 0 8 0 pffrent 40 53 0 51 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 90 0 29 1 0 1 1 0 8 0 pfstkey 128 90 0 29 2 0 2 2 0 8 0 pfstate 376 89 0 29 6 0 6 6 0 8 0 pfrule 1344 22 0 15 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 616 0 156 31 2 29 30 0 8 0 art_table 32 617 0 156 4 0 4 4 0 8 0 art_node 16 139 0 51 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 1 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 40 0 30 1 0 1 1 0 8 0 shmpl 112 33 0 6 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 3455 0 1946 95 0 95 95 0 8 0 ffsino 272 3455 0 1946 102 0 102 102 0 8 0 nchpl 144 5170 0 3477 63 0 63 63 0 8 0 uvmvnodes 80 4278 0 0 88 0 88 88 0 8 0 vnodes 216 4278 0 0 238 0 238 238 0 8 0 namei 1024 18364 0 18364 4 2 2 2 0 8 2 percpumem 16 69 0 23 1 0 1 1 0 8 0 kstatmem 264 70 0 46 3 1 2 3 0 8 0 scsiplug 72 8 0 8 3 2 1 1 0 8 1 scxspl 216 17218 0 17217 13 10 3 8 1 8 2 plimitpl 152 419 0 401 1 0 1 1 0 8 0 sigapl 424 1477 0 1426 8 2 6 7 0 8 0 futexpl 64 16532 0 16528 1 0 1 1 0 8 0 knotepl 120 545 0 0 16 0 16 16 0 8 0 kqueuepl 216 384 0 373 5 4 1 5 0 8 0 pipepl 320 298 0 269 3 0 3 3 0 8 0 fdescpl 496 1456 0 1425 5 0 5 5 0 8 0 filepl 152 9968 0 9701 21 5 16 18 0 8 3 lockfpl 104 416 0 413 1 0 1 1 0 8 0 lockfspl 48 184 0 181 1 0 1 1 0 8 0 sessionpl 144 27 0 18 1 0 1 1 0 8 0 pgrppl 48 55 0 38 1 0 1 1 0 8 0 ucredpl 104 1579 0 1565 1 0 1 1 0 8 0 zombiepl 144 1429 0 1426 1 0 1 1 0 8 0 processpl 1160 1477 0 1426 5 1 4 5 0 8 0 procpl 648 3230 0 3171 8 2 6 7 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sosppl 168 5 0 5 1 1 0 1 0 8 0 sockpl 664 2552 0 2520 22 10 12 15 0 8 8 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 131 0 0 17 0 17 17 0 8 0 mcl2k 2048 22 0 0 3 0 3 3 0 8 0 mtagpl 96 42 0 0 2 0 2 2 0 8 0 mbufpl 256 721 0 0 45 0 45 45 0 8 0 bufpl 280 5432 0 107 381 0 381 381 0 8 0 anonpl 24 266605 0 262586 74 22 52 70 0 185 8 amapchunkpl 152 41395 0 40819 37 9 28 32 0 158 4 amappl16 200 7016 0 6985 38 27 11 27 0 8 1 amappl15 192 45 0 45 1 1 0 1 0 8 0 amappl14 184 124 0 112 1 0 1 1 0 8 0 amappl13 176 14 0 14 1 1 0 1 0 8 0 amappl12 168 2122 0 2091 4 1 3 3 0 8 0 amappl11 160 65 0 50 1 0 1 1 0 8 0 amappl10 152 7 0 7 1 1 0 1 0 8 0 amappl9 144 147 0 146 1 0 1 1 0 8 0 amappl8 136 21 0 18 1 0 1 1 0 8 0 amappl7 128 111 0 99 1 0 1 1 0 8 0 amappl6 120 174 0 172 1 0 1 1 0 8 0 amappl5 112 140 0 128 1 0 1 1 0 8 0 amappl4 104 330 0 310 1 0 1 1 0 8 0 amappl3 96 7646 0 7537 3 0 3 3 0 8 0 amappl2 88 1763 0 1677 4 2 2 3 0 8 0 amappl1 80 11484 0 10915 14 0 14 14 0 8 0 amappl 88 12097 0 11904 6 1 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 128 256 0 256 3 3 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 8 0 8 2 2 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 35 0 6 1 0 1 1 0 8 0 uaddrrnd 24 1456 0 1425 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1456 0 1425 1 0 1 1 0 8 0 vmmpekpl 168 12903 0 12864 2 0 2 2 0 8 0 vmmpepl 168 96541 0 94637 103 12 91 102 0 357 2 vmsppl 448 1455 0 1425 6 2 4 5 0 8 0 rwobjpl 56 33289 0 28012 76 1 75 75 0 8 0 pdppl 4096 2919 0 2850 121 50 71 85 0 8 2 pvpl 32 17071 0 0 138 0 138 138 0 265 0 pmappl 248 1455 0 1425 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 479 0 84 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834ecff0) 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(ffffffff8357aec0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8357aec0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff800036ba9bc0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:589 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:158 __mp_lock(ffffffff8357aec0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8357aec0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff8357aec0) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8357aec0) at __mp_lock+0x19e sys/kern/kern_lock.c:144 syscall(ffff800036ba9ef0) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff800036ba9ef0) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c50e0904730, count: 2 ddb{0}> trace x86_ipi_db(ffffffff834ecff0) 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(ffffffff8357aec0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8357aec0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff800036ba9bc0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:589 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:158 __mp_lock(ffffffff8357aec0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8357aec0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff8357aec0) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8357aec0) at __mp_lock+0x19e sys/kern/kern_lock.c:144 syscall(ffff800036ba9ef0) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff800036ba9ef0) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c50e0904730, 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(ffffffff830b9307) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bbdd3a8,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_wire(fffffd806bbdd3a8,20000000,20011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1623 [inline] uvm_fault_wire(fffffd806bbdd3a8,20000000,20011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1605 sysctl_vslock(20000100,ff0a) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:191 kern_sysctl(ffff8000371eb664,5,20000100,ffff8000371eb698,0,37,7dcbbc2a89ed8dee) at kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 sys_sysctl(ffff800036b9d1e0,ffff8000371eb7d0,ffff8000371eb720) at sys_sysctl+0x425 syscall(ffff8000371eb7d0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371eb7d0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe2cff6012c0, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830b9307) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bbdd3a8,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_wire(fffffd806bbdd3a8,20000000,20011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1623 [inline] uvm_fault_wire(fffffd806bbdd3a8,20000000,20011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1605 sysctl_vslock(20000100,ff0a) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:191 kern_sysctl(ffff8000371eb664,5,20000100,ffff8000371eb698,0,37,7dcbbc2a89ed8dee) at kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 sys_sysctl(ffff800036b9d1e0,ffff8000371eb7d0,ffff8000371eb720) at sys_sysctl+0x425 syscall(ffff8000371eb7d0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371eb7d0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe2cff6012c0, count: -9