panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 518302 99800 32767 0x10 0 0 syz-executor *164309 99800 32767 0x10 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8340e921) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806be51918,400000000000,400000001000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_wire(fffffd806be51918,400000000000,400000002000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1702 [inline] uvm_fault_wire(fffffd806be51918,400000000000,400000002000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1684 sysctl_vslock(400000000100,1918) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 kern_sysctl_dirs(42,ffff800037cda1e8,2,400000000100,ffff800037cda218,0,125a4eee1d14262b,2) at kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 kern_sysctl(ffff800037cda1e4,3,400000000100,ffff800037cda218,0,37,1bdf5eb2609bcdf6) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000ffff8538,ffff800037cda350,ffff800037cda2a0) at sys_sysctl+0x425 syscall(ffff800037cda350) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800037cda350) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc657f3558d0, count: 5 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:438 panic(ffffffff8340e921) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806be51918,400000000000,400000001000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_wire(fffffd806be51918,400000000000,400000002000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1702 [inline] uvm_fault_wire(fffffd806be51918,400000000000,400000002000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1684 sysctl_vslock(400000000100,1918) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 kern_sysctl_dirs(42,ffff800037cda1e8,2,400000000100,ffff800037cda218,0,125a4eee1d14262b,2) at kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 kern_sysctl(ffff800037cda1e4,3,400000000100,ffff800037cda218,0,37,1bdf5eb2609bcdf6) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000ffff8538,ffff800037cda350,ffff800037cda2a0) at sys_sysctl+0x425 syscall(ffff800037cda350) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800037cda350) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc657f3558d0, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800037cd9d80 rbx 0xffff800029aacdc7 rdx 0 rcx 0xffff8000ffff8538 rax 0xffff800029aabff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x2753503393745561 r11 0x41cc02b7f1b830bd r12 0xffff800029aacbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff81eb5385 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800037cd9d70 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=164309 pid=99800 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff9498,0xffff8000ffff6d00 process=0xffff80003c4f0250 user=0xffff800037cd5000, vmspace=0xfffffd806be51918 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 99800 518302 97039 32767 7 0x10 syz-executor *99800 164309 97039 32767 7 0x4000010 syz-executor 99800 288344 97039 32767 2 0x4000010 syz-executor 99800 145411 97039 32767 2 0x4000010 syz-executor 99179 406445 48431 32767 2 0x10 syz-executor 67125 173914 14620 32767 2 0x10 syz-executor 98562 95384 86505 0 3 0x2 biowait syz-executor 18574 473464 0 0 3 0x14200 bored sosplice 59673 261521 67002 32767 3 0x90 piperd syz-executor 14620 88287 4507 32767 3 0x90 nanoslp syz-executor 78583 243560 9951 32767 3 0x90 piperd syz-executor 12689 399748 37388 32767 3 0x90 wait syz-executor 60477 372591 28280 32767 3 0x90 piperd syz-executor 97039 150127 71574 32767 3 0x90 nanoslp syz-executor 48431 282770 9180 32767 3 0x90 nanoslp syz-executor 28280 61461 86505 0 3 0x82 wait syz-executor 9951 491945 86505 0 3 0x82 wait syz-executor 67002 451485 86505 0 3 0x82 wait syz-executor 71574 493172 86505 0 3 0x82 wait syz-executor 4507 363077 86505 0 3 0x82 wait syz-executor 9180 205067 86505 0 3 0x82 wait syz-executor 37388 15023 86505 0 3 0x82 wait syz-executor 86505 312176 63767 0 2 0x2 syz-executor 63767 399943 29441 0 3 0x10008a sigsusp ksh 29441 39235 81952 0 3 0x98 kqread sshd-session 81952 302097 525 0 3 0x92 kqread sshd-session 25604 377254 1 0 3 0x100083 ttyin getty 525 99189 1 0 3 0x88 kqread sshd 75531 142933 40419 73 3 0x1100090 kqread syslogd 40419 450297 1 0 3 0x100082 sbwait syslogd 2030 303884 1 0 3 0x100080 kqread resolvd 45561 336512 21903 77 3 0x100092 kqread dhcpleased 76811 477664 21903 77 3 0x100092 kqread dhcpleased 21903 271916 1 0 3 0x80 kqread dhcpleased 71315 24762 0 0 3 0x14200 bored smr 1413 445883 0 0 3 0x14200 pgzero zerothread 4398 52608 0 0 3 0x14200 aiodoned aiodoned 56537 293982 0 0 3 0x14200 syncer update 92808 380751 0 0 3 0x14200 cleaner cleaner 1653 56517 0 0 3 0x14200 reaper reaper 465 300069 0 0 3 0x14200 pgdaemon pagedaemon 19049 379859 0 0 3 0x14200 bored viomb 16564 117219 0 0 3 0x40014200 acpi0 acpi0 16348 421381 0 0 3 0x40014200 idle1 90486 242638 0 0 3 0x14200 bored softnet3 59847 253633 0 0 3 0x14200 bored softnet2 62467 115910 0 0 3 0x14200 bored softnet1 76203 285449 0 0 3 0x14200 bored softnet0 23410 34999 0 0 3 0x14200 bored systqmp 21086 37362 0 0 3 0x14200 bored systq 17591 106107 0 0 3 0x14200 tmoslp softclockmp 93521 412454 0 0 3 0x40014200 tmoslp softclock 59279 419897 0 0 3 0x40014200 idle0 1 415284 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 99800 (syz-executor) thread 0xffff8000ffff9498 (518302) exclusive rwlock uobjlk r = 0 (0xfffffd806c1fc6d8) #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 uvm_fault+0x1e9 sys/uvm/uvm_fault.c:690 #3 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #4 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806be51a18) #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 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1864 #3 uvm_fault_check+0x4b sys/uvm/uvm_fault.c:732 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:668 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #6 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #7 recall_trap+0x8 Process 99800 (syz-executor) thread 0xffff8000ffff8538 (164309) shared rwlock vmmaplk r = 0 (0xfffffd806be51a18) #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_wire+0x116 uvm_fault_unwire sys/uvm/uvm_fault.c:1701 [inline] #2 uvm_fault_wire+0x116 sys/uvm/uvm_fault.c:1684 #3 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 #4 kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 #5 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #6 sys_sysctl+0x425 #7 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #7 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #8 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83933578) #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 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1864 #6 uvm_fault_check+0x4b sys/uvm/uvm_fault.c:732 #7 uvm_fault+0x106 sys/uvm/uvm_fault.c:668 #8 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1681 #9 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 #10 kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 #11 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #12 sys_sysctl+0x425 #13 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff8378cdb8) #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:187 #3 kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 #4 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #5 sys_sysctl+0x425 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 98562 (syz-executor) thread 0xffff8000ffff9728 (95384) exclusive rrwlock inode r = 0 (0xfffffd806bf079a0) #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_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:3111 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807e27c0d0) #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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3096 #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10185 10952K 10966K 166960K 11267 0 pcb 17 12K 12K 166960K 17 0 rtable 216 6K 7K 166960K 364 0 pf 29 16K 16K 166960K 31 0 ifaddr 38 6K 7K 166960K 44 0 ifgroup 46 2K 2K 166960K 50 0 sysctl 1 1K 1K 166960K 1 0 counters 62 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 31 0 iov 0 0K 12K 166960K 6 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1332 84K 84K 166960K 1402 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 9 0K 0K 166960K 12 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 21 74K 121K 166960K 274 0 sigio 0 0K 0K 166960K 2 0 proc 58 79K 127K 166960K 484 0 subproc 63 3K 4K 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 31 0 in_multi 88 6K 7K 166960K 104 0 ether_multi 1 0K 0K 166960K 1 0 mrt 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 366 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 196 64K 75K 166960K 3749 0 UVM aobj 13 2K 2K 166960K 13 0 pinsyscall 42 84K 110K 166960K 1321 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 7 0 NDP 10 0K 2K 166960K 27 0 temp 36 8639K 8705K 166960K 4328 0 kqueue 13 20K 29K 166960K 44 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 43 0 40 1 0 1 1 0 8 0 rtentry 112 114 0 13 4 0 4 4 0 8 0 unpcb 144 180 0 165 4 0 4 4 0 8 3 syncache 336 5 0 5 1 0 1 1 0 8 1 tcpqe 32 2 0 2 1 0 1 1 0 8 1 tcpcb 808 63 0 57 2 0 2 2 0 8 1 arp 120 18 0 2 1 0 1 1 0 8 0 inpcb 376 190 0 180 2 0 2 2 0 8 0 nd6 136 27 0 4 1 0 1 1 0 8 0 kcovpl 48 13 0 6 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 461 0 46 29 0 29 29 0 8 1 art_table 32 462 0 46 4 0 4 4 0 8 0 art_node 16 113 0 21 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 1 0 1 1 0 8 1 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 8 0 1 1 0 1 1 0 8 0 shmpl 112 10 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1716 0 209 95 0 95 95 0 8 0 ffsino 280 1716 0 209 108 0 108 108 0 8 0 nchpl 144 2044 0 372 63 0 63 63 0 8 0 uvmvnodes 80 1842 0 0 38 0 38 38 0 8 0 vnodes 216 1842 0 0 103 0 103 103 0 8 0 namei 1024 6297 0 6296 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 6566 0 6565 3 2 1 2 1 8 0 plimitpl 152 63 0 40 2 0 2 2 0 8 1 sigapl 424 550 0 498 7 0 7 7 0 8 0 futexpl 64 1729 0 1729 1 0 1 1 0 8 1 knotepl 120 280 0 0 9 0 9 9 0 8 0 kqueuepl 216 58 0 49 2 0 2 2 0 8 1 pipepl 328 133 0 106 3 0 3 3 0 8 0 fdescpl 504 531 0 498 7 1 6 6 0 8 0 filepl 152 2152 0 1956 11 0 11 11 0 8 2 lockfpl 104 48 0 46 1 0 1 1 0 8 0 lockfspl 48 20 0 18 1 0 1 1 0 8 0 sessionpl 144 28 0 13 1 0 1 1 0 8 0 pgrppl 48 42 0 19 1 0 1 1 0 8 0 ucredpl 104 252 0 234 1 0 1 1 0 8 0 zombiepl 144 499 0 498 1 0 1 1 0 8 0 processpl 1168 550 0 498 5 0 5 5 0 8 0 procpl 656 738 0 683 7 0 7 7 0 8 1 sosppl 168 2 0 2 1 0 1 1 0 8 1 sockpl 688 414 0 386 9 0 9 9 0 8 5 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 117 0 0 15 0 15 15 0 8 0 mcl2k 2048 18 0 0 3 0 3 3 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 225 0 0 15 0 15 15 0 8 0 bufpl 280 2373 0 124 161 0 161 161 0 8 0 anonpl 24 117095 0 114265 58 1 57 57 0 184 21 amapchunkpl 152 11647 0 11238 30 0 30 30 0 158 7 amappl16 200 2577 0 2562 14 0 14 14 0 8 12 amappl15 192 74 0 74 1 1 0 1 0 8 0 amappl14 184 108 0 98 1 0 1 1 0 8 0 amappl13 176 5 0 5 1 1 0 1 0 8 0 amappl12 168 1146 0 1116 2 0 2 2 0 8 0 amappl11 160 44 0 34 1 0 1 1 0 8 0 amappl10 152 3 0 2 1 0 1 1 0 8 0 amappl9 144 248 0 248 1 1 0 1 0 8 0 amappl8 136 52 0 51 1 0 1 1 0 8 0 amappl7 128 97 0 87 1 0 1 1 0 8 0 amappl6 120 176 0 173 1 0 1 1 0 8 0 amappl5 112 135 0 129 1 0 1 1 0 8 0 amappl4 104 308 0 293 1 0 1 1 0 8 0 amappl3 96 1986 0 1889 4 0 4 4 0 8 0 amappl2 88 629 0 576 2 0 2 2 0 8 0 amappl1 80 8390 0 7860 13 0 13 13 0 8 0 amappl 88 3380 0 3232 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 12 0 0 1 0 1 1 0 8 0 uaddrrnd 24 531 0 498 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 531 0 498 1 0 1 1 0 8 0 vmmpekpl 168 6012 0 5972 3 0 3 3 0 8 0 vmmpepl 168 39743 0 37998 100 0 100 100 0 357 14 vmsppl 456 530 0 498 7 1 6 6 0 8 0 rwobjpl 64 16239 0 13611 47 0 47 47 0 8 0 pdppl 4096 1070 0 996 116 38 78 96 0 8 4 pvpl 32 16142 0 0 131 0 131 131 0 265 0 pmappl 248 530 0 498 4 1 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 298 0 41 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83793ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 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(ffffffff83933370) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83933370) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff800037cd42d0,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83933370) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83933370) at __mp_lock+0x19e sys/kern/kern_lock.c:144 uvm_fault(fffffd806be51918,c664d629000,0,2) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:691 upageflttrap(ffff800037cd4660,c664d629000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800037cd4660) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x72f2d2d61840, count: 4 ddb{0}> trace x86_ipi_db(ffffffff83793ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 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(ffffffff83933370) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83933370) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff800037cd42d0,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83933370) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83933370) at __mp_lock+0x19e sys/kern/kern_lock.c:144 uvm_fault(fffffd806be51918,c664d629000,0,2) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:691 upageflttrap(ffff800037cd4660,c664d629000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800037cd4660) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x72f2d2d61840, count: -11 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:438 panic(ffffffff8340e921) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806be51918,400000000000,400000001000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_wire(fffffd806be51918,400000000000,400000002000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1702 [inline] uvm_fault_wire(fffffd806be51918,400000000000,400000002000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1684 sysctl_vslock(400000000100,1918) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 kern_sysctl_dirs(42,ffff800037cda1e8,2,400000000100,ffff800037cda218,0,125a4eee1d14262b,2) at kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 kern_sysctl(ffff800037cda1e4,3,400000000100,ffff800037cda218,0,37,1bdf5eb2609bcdf6) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000ffff8538,ffff800037cda350,ffff800037cda2a0) at sys_sysctl+0x425 syscall(ffff800037cda350) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800037cda350) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc657f3558d0, count: 5 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8340e921) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806be51918,400000000000,400000001000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_wire(fffffd806be51918,400000000000,400000002000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1702 [inline] uvm_fault_wire(fffffd806be51918,400000000000,400000002000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1684 sysctl_vslock(400000000100,1918) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 kern_sysctl_dirs(42,ffff800037cda1e8,2,400000000100,ffff800037cda218,0,125a4eee1d14262b,2) at kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 kern_sysctl(ffff800037cda1e4,3,400000000100,ffff800037cda218,0,37,1bdf5eb2609bcdf6) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000ffff8538,ffff800037cda350,ffff800037cda2a0) at sys_sysctl+0x425 syscall(ffff800037cda350) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800037cda350) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc657f3558d0, count: -10