panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *276143 30089 32767 0x10 0x4000000 1 syz-executor 29224 82825 0 0x14000 0x200 0 softclockmp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83405b6e) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c1443b0,400000000000,400000001000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_unwire(fffffd806c1443b0,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 sysctl_vsunlock(400000000080,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:213 sys_sysctl(ffff80003c4faf58,ffff800030cc2190,ffff800030cc20e0) at sys_sysctl+0x460 sys/kern/kern_sysctl.c:307 syscall(ffff800030cc2190) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800030cc2190) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4f456f50c0, count: 7 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(ffffffff83405b6e) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c1443b0,400000000000,400000001000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_unwire(fffffd806c1443b0,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 sysctl_vsunlock(400000000080,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:213 sys_sysctl(ffff80003c4faf58,ffff800030cc2190,ffff800030cc20e0) at sys_sysctl+0x460 sys/kern/kern_sysctl.c:307 syscall(ffff800030cc2190) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800030cc2190) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4f456f50c0, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800030cc1e50 rbx 0xffff800029aacdc7 rdx 0 rcx 0xffff80003c4faf58 rax 0xffff800029aabff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xf2d2080fdf74625f r11 0x36365b97d91d6338 r12 0xffff800029aacbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff829d08a5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800030cc1e40 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=276143 pid=30089 tcnt=3 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=58, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c4facd0,0xffff8000ffff6540 process=0xffff8000358cb010 user=0xffff800030cbd000, vmspace=0xfffffd806c1443b0 estcpu=8, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 12467 102773 73445 0 2 0 syz-executor 87297 522417 30050 32767 2 0x10 syz-executor 87297 291740 30050 32767 2 0x4000010 syz-executor 27549 250325 20102 32767 2 0x10 syz-executor 27549 264320 20102 32767 2 0x4000010 syz-executor 30089 114180 9786 32767 3 0x10 vmmaplk syz-executor *30089 276143 9786 32767 7 0x4000010 syz-executor 30089 445998 9786 32767 3 0x4000090 fsleep syz-executor 16216 233496 8333 32767 2 0x10 syz-executor 16216 412892 8333 32767 3 0x4000090 fsleep syz-executor 90052 501033 56630 32767 2 0x10 syz-executor 90052 211962 56630 32767 2 0x4000090 syz-executor 66348 134769 85205 32767 2 0x10 syz-executor 66348 483084 85205 32767 3 0x4000090 fsleep syz-executor 73445 448964 10867 0 3 0x82 wait syz-executor 88304 288953 0 0 3 0x14200 bored sosplice 86556 479839 71982 0 3 0x100082 sbwait arp 71982 62591 62680 0 3 0x10008a sigsusp sh 62680 50845 78910 0 3 0x80 wait syz-executor 30050 67127 21401 32767 2 0x490 syz-executor 9786 390474 39447 32767 3 0x90 nanoslp syz-executor 20102 491786 6464 32767 2 0x490 syz-executor 8333 511444 14828 32767 3 0x90 nanoslp syz-executor 56630 335781 11784 32767 3 0x90 nanoslp syz-executor 85205 245601 76491 32767 3 0x90 nanoslp syz-executor 21401 405272 10867 0 3 0x82 wait syz-executor 78910 250796 10867 0 3 0x82 wait syz-executor 39447 441760 10867 0 3 0x82 wait syz-executor 14828 196862 10867 0 3 0x82 wait syz-executor 6464 394654 10867 0 3 0x82 wait syz-executor 11784 349009 10867 0 3 0x82 wait syz-executor 76491 434563 10867 0 3 0x82 wait syz-executor 10867 319345 8785 0 3 0x82 kqread syz-executor 8785 143213 453 0 3 0x10008a sigsusp ksh 453 108402 2703 0 3 0x98 kqread sshd-session 2703 56890 25845 0 3 0x92 kqread sshd-session 78623 454980 1 0 3 0x100083 ttyin getty 25845 388594 1 0 3 0x88 kqread sshd 25890 203477 52039 73 3 0x1100090 kqread syslogd 52039 180154 1 0 3 0x100082 sbwait syslogd 53779 23282 1 0 3 0x100080 kqread resolvd 86563 71600 69023 77 3 0x100092 kqread dhcpleased 65230 397078 69023 77 3 0x100092 kqread dhcpleased 69023 61839 1 0 3 0x80 kqread dhcpleased 12584 139100 0 0 3 0x14200 bored smr 6471 362726 0 0 2 0x14200 zerothread 74082 498045 0 0 3 0x14200 aiodoned aiodoned 26145 202340 0 0 3 0x14200 syncer update 2923 401178 0 0 3 0x14200 cleaner cleaner 83397 180191 0 0 3 0x14200 reaper reaper 36381 86519 0 0 3 0x14200 pgdaemon pagedaemon 65503 310475 0 0 3 0x14200 bored viomb 61314 9792 0 0 3 0x40014200 acpi0 acpi0 56477 393160 0 0 3 0x40014200 idle1 25031 78102 0 0 3 0x14200 bored softnet3 62017 499577 0 0 3 0x14200 bored softnet2 60279 352227 0 0 3 0x14200 bored softnet1 17585 405852 0 0 2 0x14200 softnet0 24746 119326 0 0 3 0x14200 bored systqmp 48582 180855 0 0 3 0x14200 bored systq 82825 29224 0 0 7 0x14200 softclockmp 41038 218270 0 0 3 0x40014200 tmoslp softclock 18071 219881 0 0 3 0x40014200 idle0 1 46441 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 87297 (syz-executor) thread 0xffff80003c4fa538 (291740) exclusive rrwlock inode r = 0 (0xfffffd806e053cb0) #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 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #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_makeinode+0xcb sys/ufs/ufs/ufs_vnops.c:1732 #8 ufs_symlink+0x54 sys/ufs/ufs/ufs_vnops.c:1293 #9 VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 #10 dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1805 #11 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806beec848) #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 dosymlinkat+0xee sys/kern/vfs_syscalls.c:1791 #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 Process 30089 (syz-executor) thread 0xffff80003c4faf58 (276143) shared rwlock vmmaplk r = 0 (0xfffffd806c1444b0) #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_read+0x3af sys/kern/kern_rwlock.c:405 #2 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1701 #3 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:213 #4 sys_sysctl+0x460 sys/kern/kern_sysctl.c:307 #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 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839dbef0) #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 sleep_finish+0x24f sys/kern/kern_synch.c:414 #4 rw_do_enter_read+0x2de sys/kern/kern_rwlock.c:385 #5 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1701 #6 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:213 #7 sys_sysctl+0x460 sys/kern/kern_sysctl.c:307 #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 sysctllk r = 0 (0xffffffff8388b2f8) #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 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:185 #3 sys_sysctl+0x398 sys/kern/kern_sysctl.c:297 #4 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10210 10955K 10966K 166960K 11294 0 pcb 17 12K 12K 166960K 17 0 rtable 198 5K 6K 166960K 339 0 pf 29 16K 16K 166960K 31 0 ifaddr 36 6K 7K 166960K 42 0 ifgroup 46 2K 2K 166960K 50 0 sysctl 4 1K 1K 166960K 4 0 counters 62 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 31 0 iov 0 0K 16K 166960K 10 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1333 84K 84K 166960K 1554 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 5 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 18 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 26 97K 117K 166960K 423 0 sigio 0 0K 0K 166960K 9 0 proc 58 79K 115K 166960K 488 0 subproc 72 4K 4K 166960K 225 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 51 0 in_multi 78 5K 6K 166960K 106 0 ether_multi 1 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 223 996K 996K 166960K 223 0 exec 0 0K 1K 166960K 410 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 232 65K 87K 166960K 4796 0 UVM aobj 9 2K 2K 166960K 9 0 pinsyscall 48 96K 106K 166960K 1414 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 34 0 NDP 10 0K 1K 166960K 25 0 temp 49 8637K 8715K 166960K 5255 0 kqueue 13 20K 28K 166960K 73 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 60 0 56 1 0 1 1 0 8 0 rtentry 112 108 0 16 3 0 3 3 0 8 0 unpcb 144 465 0 446 4 1 3 4 0 8 2 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpcb 808 150 0 146 4 3 1 4 0 8 0 arp 120 18 0 2 1 0 1 1 0 8 0 ipq 40 2 0 1 1 0 1 1 0 8 0 ipqe 40 47 0 46 1 0 1 1 0 8 0 inpcb 376 426 0 418 8 3 5 8 0 8 4 nd6 136 25 0 7 1 0 1 1 0 8 0 kcovpl 48 25 0 17 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 424 0 55 26 1 25 26 0 8 0 art_table 32 425 0 55 4 0 4 4 0 8 0 art_node 16 107 0 23 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 4 1 0 1 1 0 8 1 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 15 0 5 1 0 1 1 0 8 0 shmpl 112 6 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1918 0 396 96 0 96 96 0 8 0 ffsino 280 1918 0 396 109 0 109 109 0 8 0 nchpl 144 2437 0 746 63 0 63 63 0 8 0 uvmvnodes 80 2152 0 0 44 0 44 44 0 8 0 vnodes 216 2152 0 0 120 0 120 120 0 8 0 namei 1024 7748 0 7746 1 0 1 1 0 8 0 percpumem 16 46 0 1 1 0 1 1 0 8 0 kstatmem 264 22 0 2 2 0 2 2 0 8 0 scxspl 216 7710 0 7710 10 2 8 8 1 8 8 plimitpl 152 124 0 101 2 1 1 2 0 8 0 sigapl 424 662 0 605 7 0 7 7 0 8 0 futexpl 64 3109 0 3106 1 0 1 1 0 8 0 knotepl 120 307 0 0 10 0 10 10 0 8 0 kqueuepl 216 126 0 117 3 2 1 3 0 8 0 pipepl 328 178 0 151 3 0 3 3 0 8 0 fdescpl 504 643 0 605 7 1 6 6 0 8 0 filepl 152 3495 0 3286 14 3 11 13 0 8 2 lockfpl 104 80 0 78 1 0 1 1 0 8 0 lockfspl 48 30 0 28 1 0 1 1 0 8 0 sessionpl 144 38 0 23 1 0 1 1 0 8 0 pgrppl 48 71 0 48 1 0 1 1 0 8 0 ucredpl 104 543 0 526 1 0 1 1 0 8 0 zombiepl 144 605 0 605 1 0 1 1 0 8 1 processpl 1168 662 0 605 5 0 5 5 0 8 0 procpl 648 1041 0 977 7 1 6 7 0 8 0 srpgc 96 1 0 1 1 1 0 1 0 8 0 sosppl 168 2 0 2 2 1 1 1 0 8 1 sockpl 688 954 0 923 12 2 10 12 0 8 7 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 111 0 0 14 0 14 14 0 8 0 mcl2k 2048 27 0 0 4 0 4 4 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 1169 0 0 74 0 74 74 0 8 0 bufpl 280 2575 0 124 176 0 176 176 0 8 0 anonpl 24 127638 0 124211 48 8 40 47 0 184 4 amapchunkpl 152 15803 0 15278 35 3 32 32 0 158 11 amappl16 200 2560 0 2537 14 10 4 14 0 8 1 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 133 0 122 1 0 1 1 0 8 0 amappl13 176 9 0 9 2 1 1 1 0 8 1 amappl12 168 1230 0 1193 2 0 2 2 0 8 0 amappl11 160 46 0 36 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 1 0 1 0 8 0 amappl9 144 280 0 279 2 1 1 1 0 8 0 amappl8 136 21 0 18 1 0 1 1 0 8 0 amappl7 128 93 0 82 1 0 1 1 0 8 0 amappl6 120 175 0 171 1 0 1 1 0 8 0 amappl5 112 128 0 121 1 0 1 1 0 8 0 amappl4 104 285 0 270 1 0 1 1 0 8 0 amappl3 96 2702 0 2579 4 0 4 4 0 8 0 amappl2 88 629 0 571 2 0 2 2 0 8 0 amappl1 80 8405 0 7846 14 0 14 14 0 8 0 amappl 88 4431 0 4249 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 8 0 0 1 0 1 1 0 8 0 uaddrrnd 24 643 0 605 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 643 0 605 1 0 1 1 0 8 0 vmmpekpl 168 6877 0 6842 3 0 3 3 0 8 0 vmmpepl 168 45747 0 43743 101 7 94 101 0 357 6 vmsppl 456 642 0 605 7 1 6 6 0 8 0 rwobjpl 64 17378 0 14345 50 1 49 49 0 8 0 pdppl 4096 1294 0 1210 116 32 84 94 0 8 0 pvpl 32 15821 0 0 128 0 128 128 0 265 0 pmappl 248 642 0 605 4 1 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 357 0 40 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83875ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xf sys/dev/kcov.c:149 mtx_enter(ffffffff8382de50) at mtx_enter+0x60 sys/kern/kern_lock.c:239 msleep(ffffffff83967900,ffffffff8382de50,0,ffffffff8343bb16,0) at msleep+0x2cf sys/kern/kern_synch.c:239 softclock_thread_mp(ffff8000fffff440) at softclock_thread_mp+0xaf sys/kern/kern_timeout.c:830 end trace frame: 0x0, count: 8 ddb{0}> trace x86_ipi_db(ffffffff83875ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xf sys/dev/kcov.c:149 mtx_enter(ffffffff8382de50) at mtx_enter+0x60 sys/kern/kern_lock.c:239 msleep(ffffffff83967900,ffffffff8382de50,0,ffffffff8343bb16,0) at msleep+0x2cf sys/kern/kern_synch.c:239 softclock_thread_mp(ffff8000fffff440) at softclock_thread_mp+0xaf sys/kern/kern_timeout.c:830 end trace frame: 0x0, count: -7 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(ffffffff83405b6e) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c1443b0,400000000000,400000001000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_unwire(fffffd806c1443b0,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 sysctl_vsunlock(400000000080,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:213 sys_sysctl(ffff80003c4faf58,ffff800030cc2190,ffff800030cc20e0) at sys_sysctl+0x460 sys/kern/kern_sysctl.c:307 syscall(ffff800030cc2190) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800030cc2190) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4f456f50c0, count: 7 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83405b6e) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c1443b0,400000000000,400000001000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_unwire(fffffd806c1443b0,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 sysctl_vsunlock(400000000080,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:213 sys_sysctl(ffff80003c4faf58,ffff800030cc2190,ffff800030cc20e0) at sys_sysctl+0x460 sys/kern/kern_sysctl.c:307 syscall(ffff800030cc2190) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800030cc2190) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4f456f50c0, count: -8