panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *494661 42780 32767 0x10 0x4000000 1 syz-executor.2 70371 42780 32767 0x10 0x4000000 0 syz-executor.2 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82858295) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806b9d9760,20002000,20003000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806b9d9760,20002000,20003000) at uvm_fault_unwire+0x43 sys/uvm/uvm_fault.c:1623 sys_sysctl(ffff8000211e5010,ffff80002e434ff0,ffff80002e435040) at sys_sysctl+0x239 sys/kern/kern_sysctl.c:259 syscall(ffff80002e4350c0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e4350c0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb2d1b091810, count: 8 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+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82858295) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806b9d9760,20002000,20003000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806b9d9760,20002000,20003000) at uvm_fault_unwire+0x43 sys/uvm/uvm_fault.c:1623 sys_sysctl(ffff8000211e5010,ffff80002e434ff0,ffff80002e435040) at sys_sysctl+0x239 sys/kern/kern_sysctl.c:259 syscall(ffff80002e4350c0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e4350c0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb2d1b091810, count: -7 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e434dc0 rbx 0xffff800020d49ba7 rdx 0 rcx 0xffff8000211e5010 rax 0xffff800020d48ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xb8ce28f6303f61a r11 0x2635505af34e2495 r12 0xffff800020d499a8 r13 0 r14 0 r15 0x1 rip 0xffffffff81af7dec db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002e434db0 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.2) tid=494661 pid=42780 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=82, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff8000211e5d58,0xffff8000211e5570 process=0xffff8000ffff69f0 user=0xffff80002e430000, vmspace=0xfffffd806b9d9760 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 98206 387859 84067 32767 2 0x10 syz-executor.7 9468 142169 79405 32767 2 0x10 syz-executor.1 9468 123673 79405 32767 3 0x4000090 fsleep syz-executor.1 42780 422816 31064 32767 2 0x10 syz-executor.2 42780 55731 31064 32767 2 0x4000010 syz-executor.2 *42780 494661 31064 32767 7 0x4000010 syz-executor.2 42780 70371 31064 32767 7 0x4000010 syz-executor.2 47880 434351 18694 32767 2 0x10 syz-executor.0 47880 384434 18694 32767 2 0x4000010 syz-executor.0 81219 430480 47678 32767 2 0x10 syz-executor.5 81219 46288 47678 32767 3 0x4000090 fsleep syz-executor.5 81219 449053 47678 32767 3 0x4000090 netio syz-executor.5 81219 13633 47678 32767 3 0x4000090 fsleep syz-executor.5 63158 9327 99198 32767 3 0x90 nanoslp syz-executor.6 63158 394698 99198 32767 3 0x4000090 lockf syz-executor.6 63158 77339 99198 32767 3 0x4000090 fsleep syz-executor.6 63158 149825 99198 32767 3 0x4000090 fsleep syz-executor.6 54363 287800 63476 32767 3 0x90 piperd syz-executor.3 63476 514264 84054 0 3 0x82 wait syz-executor.3 84067 48898 24040 32767 3 0x90 nanoslp syz-executor.7 24040 426820 84054 0 3 0x82 wait syz-executor.7 30961 87966 24175 32767 2 0x10 syz-executor.4 24175 139571 84054 0 3 0x82 wait syz-executor.4 79405 45514 69111 32767 3 0x90 nanoslp syz-executor.1 69111 426497 84054 0 3 0x82 wait syz-executor.1 99198 144958 58255 32767 3 0x90 nanoslp syz-executor.6 58255 191679 84054 0 3 0x82 wait syz-executor.6 58546 161664 0 0 3 0x14200 bored sosplice 47678 196075 49777 32767 3 0x90 nanoslp syz-executor.5 31064 402588 81689 32767 3 0x90 nanoslp syz-executor.2 49777 463444 84054 0 3 0x82 wait syz-executor.5 81689 369292 84054 0 3 0x82 wait syz-executor.2 18694 480347 30047 32767 3 0x90 nanoslp syz-executor.0 30047 350281 84054 0 3 0x82 wait syz-executor.0 84054 345761 91891 0 3 0x2000082 wait syz-fuzzer 84054 104319 91891 0 3 0x6000082 thrsleep syz-fuzzer 84054 489621 91891 0 3 0x6000082 thrsleep syz-fuzzer 84054 376494 91891 0 3 0x6000082 wait syz-fuzzer 84054 73414 91891 0 3 0x6000082 wait syz-fuzzer 84054 224438 91891 0 3 0x6000082 thrsleep syz-fuzzer 84054 269007 91891 0 3 0x6000082 wait syz-fuzzer 84054 182766 91891 0 3 0x6000082 thrsleep syz-fuzzer 84054 491073 91891 0 3 0x6000082 wait syz-fuzzer 84054 98917 91891 0 3 0x6000082 thrsleep syz-fuzzer 84054 407675 91891 0 3 0x6000082 thrsleep syz-fuzzer 84054 70961 91891 0 3 0x6000082 wait syz-fuzzer 84054 115892 91891 0 3 0x6000082 thrsleep syz-fuzzer 84054 122862 91891 0 3 0x6000082 wait syz-fuzzer 84054 326039 91891 0 3 0x6000082 wait syz-fuzzer 84054 223095 91891 0 3 0x6000082 kqread syz-fuzzer 91891 385661 8363 0 3 0x10008a sigsusp ksh 8363 370352 55421 0 3 0x9a kqread sshd 35547 240748 1 0 3 0x100083 ttyin getty 55421 56953 1 0 3 0x88 kqread sshd 19893 14905 39864 73 3 0x1100090 kqread syslogd 39864 253047 1 0 3 0x100082 netio syslogd 85458 134214 1 0 3 0x100080 kqread resolvd 43642 219382 41186 77 3 0x100092 kqread dhcpleased 90951 196203 41186 77 3 0x100092 kqread dhcpleased 41186 315753 1 0 3 0x80 kqread dhcpleased 23904 6760 0 0 3 0x14200 bored smr 14478 491112 0 0 2 0x14200 zerothread 48662 233362 0 0 3 0x14200 aiodoned aiodoned 56002 409634 0 0 3 0x14200 syncer update 24267 497193 0 0 3 0x14200 cleaner cleaner 19644 469068 0 0 3 0x14200 reaper reaper 75373 357341 0 0 3 0x14200 pgdaemon pagedaemon 77637 145206 0 0 3 0x14200 bored viomb 2795 89914 0 0 3 0x40014200 acpi0 acpi0 15584 332921 0 0 3 0x40014200 idle1 46755 425556 0 0 3 0x14200 bored softnet3 17053 417458 0 0 3 0x14200 bored softnet2 52195 12378 0 0 3 0x14200 bored softnet1 83326 374749 0 0 3 0x14200 bored softnet0 7074 249959 0 0 3 0x14200 bored systqmp 51504 461236 0 0 3 0x14200 bored systq 55039 112388 0 0 3 0x14200 tmoslp softclockmp 64358 471940 0 0 3 0x40014200 tmoslp softclock 8281 317735 0 0 3 0x40014200 idle0 1 404940 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 42780 (syz-executor.2) thread 0xffff8000211e5d58 (55731) exclusive rwlock amaplk r = 0 (0xfffffd806d2c0788) #0 witness_lock+0x447 #1 amap_unref+0x2f sys/uvm/uvm_amap.c:1363 #2 uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1366 #3 sys_munmap+0x22e sys/uvm/uvm_mmap.c:539 #4 syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] #4 syscall+0x606 sys/arch/amd64/amd64/trap.c:623 #5 Xsyscall+0x128 Process 42780 (syz-executor.2) thread 0xffff8000211e5010 (494661) shared rwlock vmmaplk r = 0 (0xfffffd806b9d9858) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 uvm_fault_unwire+0x35 sys/uvm/uvm_fault.c:1622 #3 sys_sysctl+0x239 sys/kern/kern_sysctl.c:259 #4 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #4 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82d7f890) #0 witness_lock+0x447 #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x46d sys/kern/sched_bsd.c:470 #3 sleep_finish+0x19b sys/kern/kern_synch.c:414 #4 rw_enter+0x341 sys/kern/kern_rwlock.c:285 #5 uvm_fault_unwire+0x35 sys/uvm/uvm_fault.c:1622 #6 sys_sysctl+0x239 sys/kern/kern_sysctl.c:259 #7 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #7 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #8 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff82c478d0) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 sys_sysctl+0x1c3 sys/kern/kern_sysctl.c:238 #3 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #3 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #4 Xsyscall+0x128 Process 54363 (syz-executor.3) thread 0xffff80002127a550 (287800) exclusive rrwlock inode r = 0 (0xfffffd806e5956f8) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1343 #6 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 #10 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #10 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806a2a3700) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3058 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10214 6412K 6420K 78643K 11330 0 pcb 13 12K 14K 78643K 17 0 rtable 242 6K 7K 78643K 898 0 pf 29 8K 8K 78643K 53 0 ifaddr 44 15K 15K 78643K 96 0 ifgroup 50 2K 2K 78643K 98 0 sysctl 3 1K 2K 78643K 70 0 counters 60 35K 35K 78643K 84 0 ioctlops 0 0K 2K 78643K 53 0 iov 0 0K 18K 78643K 1031 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1279 80K 80K 78643K 2741 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 13K 78643K 120 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 897 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 24 89K 121K 78643K 6999 0 sigio 0 0K 0K 78643K 193 0 proc 56 78K 103K 78643K 1369 0 subproc 104 6K 6K 78643K 260 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 420 0 in_multi 99 7K 7K 78643K 269 0 ether_multi 1 0K 0K 78643K 3 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 223 996K 996K 78643K 223 0 exec 0 0K 1K 78643K 1496 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 410 91K 100K 78643K 70211 0 UVM aobj 131 4K 8K 78643K 405 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 331 0 NDP 11 0K 2K 78643K 63 0 temp 74 5920K 6048K 78643K 21022 0 kqueue 12 18K 28K 78643K 549 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 259 0 256 3 2 1 2 0 8 0 rtentry 112 256 0 142 4 0 4 4 0 8 0 unpcb 144 7007 0 6992 46 39 7 10 0 8 6 syncache 304 114 0 114 11 10 1 1 0 8 1 tcpqe 32 217 0 217 11 10 1 1 0 8 1 tcpcb 808 3321 0 3280 57 44 13 16 0 8 5 arp 120 42 0 24 1 0 1 1 0 8 0 ipq 40 5 0 5 3 3 0 1 0 8 0 ipqe 40 19 0 19 3 3 0 1 0 8 0 inpcb 368 5439 0 5395 68 56 12 15 0 8 4 nd6 136 73 0 45 2 0 2 2 0 8 0 kcovpl 48 20 0 12 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1054 0 574 34 4 30 31 0 8 0 art_table 32 1055 0 574 4 0 4 4 0 8 0 art_node 16 255 0 151 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 1 0 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 893 0 883 1 0 1 1 0 8 0 shmpl 112 402 0 274 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 11777 0 10324 92 0 92 92 0 8 0 ffsino 272 11777 0 10324 98 0 98 98 0 8 0 nchpl 144 22116 0 20473 63 0 63 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 74140 0 74140 2 1 1 2 0 8 1 percpumem 16 55 0 12 1 0 1 1 0 8 0 kstatmem 264 46 0 24 2 0 2 2 0 8 0 scxspl 216 69700 0 69700 25 22 3 8 1 8 3 plimitpl 152 970 0 947 7 6 1 2 0 8 0 sigapl 424 7274 0 7220 7 0 7 7 0 8 0 futexpl 64 57348 0 57343 2 1 1 1 0 8 0 knotepl 120 835 0 0 18 1 17 17 0 8 0 kqueuepl 216 1312 0 1303 23 15 8 8 0 8 7 pipepl 320 1823 0 1795 36 33 3 11 0 8 0 fdescpl 496 7255 0 7220 7 2 5 6 0 8 0 filepl 152 50540 0 50301 82 65 17 20 0 8 7 lockfpl 104 972 0 968 1 0 1 1 0 8 0 lockfspl 48 254 0 251 1 0 1 1 0 8 0 sessionpl 144 35 0 19 1 0 1 1 0 8 0 pgrppl 48 147 0 131 1 0 1 1 0 8 0 ucredpl 104 7149 0 7131 1 0 1 1 0 8 0 zombiepl 144 7220 0 7220 1 0 1 1 0 8 1 processpl 1072 7274 0 7220 5 1 4 5 0 8 0 procpl 680 19321 0 19241 20 12 8 8 0 8 0 sosppl 168 115 0 115 7 6 1 1 0 8 1 sockpl 488 12964 0 12902 212 195 17 37 0 8 6 mcl64k 65536 15 0 0 2 0 2 2 0 8 0 mcl16k 16384 11 0 0 2 0 2 2 0 8 0 mcl12k 12288 16 0 0 2 0 2 2 0 8 0 mcl9k 9216 8 0 0 1 0 1 1 0 8 0 mcl8k 8192 25 0 0 3 0 3 3 0 8 0 mcl4k 4096 25 0 0 3 0 3 3 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 321 0 0 35 10 25 35 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 1211 0 0 59 0 59 59 0 8 0 bufpl 288 15943 0 9622 452 0 452 452 0 8 0 anonpl 24 839734 0 827637 155 62 93 100 0 186 1 amapchunkpl 152 222104 0 221180 86 47 39 47 0 158 1 amappl16 200 19074 0 18755 100 74 26 33 0 8 8 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 249 0 234 2 0 2 2 0 8 0 amappl13 176 18 0 17 1 0 1 1 0 8 0 amappl12 168 8064 0 8027 2 0 2 2 0 8 0 amappl11 160 49 0 38 1 0 1 1 0 8 0 amappl10 152 61 0 51 1 0 1 1 0 8 0 amappl9 144 246 0 245 1 0 1 1 0 8 0 amappl8 136 518 0 410 4 0 4 4 0 8 0 amappl7 128 262 0 234 3 1 2 3 0 8 0 amappl6 120 507 0 492 1 0 1 1 0 8 0 amappl5 112 254 0 246 1 0 1 1 0 8 0 amappl4 104 616 0 594 2 1 1 2 0 8 0 amappl3 96 43388 0 43285 12 9 3 4 0 8 0 amappl2 88 8046 0 7973 3 1 2 3 0 8 0 amappl1 80 34085 0 33561 22 10 12 22 0 8 0 amappl 88 69372 0 69107 7 0 7 7 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 72 404 0 274 3 0 3 3 0 8 0 uaddrrnd 24 7255 0 7220 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 7255 0 7220 1 0 1 1 0 8 0 vmmpekpl 168 59585 0 59524 4 0 4 4 0 8 0 vmmpepl 168 436580 0 434152 192 74 118 121 0 357 8 vmsppl 464 7254 0 7220 7 2 5 6 0 8 0 rwobjpl 56 118054 0 110610 118 10 108 109 0 8 0 pdppl 4096 14518 0 14440 298 216 82 94 0 8 4 pvpl 32 2225692 0 2207356 459 279 180 361 0 265 11 pmappl 248 7254 0 7220 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1232 0 345 26 0 26 26 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82bcdff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff82d7f688) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d7f688) at __mp_lock+0x122 sys/kern/kern_lock.c:147 uvm_fault(fffffd806b9d9760,b2d6e41b000,0,2) at uvm_fault+0x181 sys/uvm/uvm_fault.c:622 upageflttrap(ffff80002e43b990,b2d6e41b000) at upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002e43b990) at usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0xb2dc190ce20, count: 7 ddb{0}> trace x86_ipi_db(ffffffff82bcdff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff82d7f688) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d7f688) at __mp_lock+0x122 sys/kern/kern_lock.c:147 uvm_fault(fffffd806b9d9760,b2d6e41b000,0,2) at uvm_fault+0x181 sys/uvm/uvm_fault.c:622 upageflttrap(ffff80002e43b990,b2d6e41b000) at upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002e43b990) at usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0xb2dc190ce20, count: -8 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x1c: addq $0x8,%rsp db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82858295) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806b9d9760,20002000,20003000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806b9d9760,20002000,20003000) at uvm_fault_unwire+0x43 sys/uvm/uvm_fault.c:1623 sys_sysctl(ffff8000211e5010,ffff80002e434ff0,ffff80002e435040) at sys_sysctl+0x239 sys/kern/kern_sysctl.c:259 syscall(ffff80002e4350c0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e4350c0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb2d1b091810, count: 8 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82858295) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806b9d9760,20002000,20003000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806b9d9760,20002000,20003000) at uvm_fault_unwire+0x43 sys/uvm/uvm_fault.c:1623 sys_sysctl(ffff8000211e5010,ffff80002e434ff0,ffff80002e435040) at sys_sysctl+0x239 sys/kern/kern_sysctl.c:259 syscall(ffff80002e4350c0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e4350c0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb2d1b091810, count: -7