panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 223133 35456 32767 0x10 0 0 syz-executor.7 *133142 14273 32767 0x10 0x4000000 1K syz-executor.1 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8286162d) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806be0a018,20002000,20003000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806be0a018,20002000,20003000) at uvm_fault_unwire+0x43 sys/uvm/uvm_fault.c:1623 sys_sysctl(ffff80002612c008,ffff80002e42bbe0,ffff80002e42bc30) at sys_sysctl+0x239 sys/kern/kern_sysctl.c:259 syscall(ffff80002e42bcb0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e42bcb0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd63090fe490, 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(ffffffff8286162d) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806be0a018,20002000,20003000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806be0a018,20002000,20003000) at uvm_fault_unwire+0x43 sys/uvm/uvm_fault.c:1623 sys_sysctl(ffff80002612c008,ffff80002e42bbe0,ffff80002e42bc30) at sys_sysctl+0x239 sys/kern/kern_sysctl.c:259 syscall(ffff80002e42bcb0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e42bcb0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd63090fe490, count: -7 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e42b9b0 rbx 0xffff800020d49ba7 rdx 0 rcx 0xffff80002612c008 rax 0xffff800020d48ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x652bac8e645fa039 r11 0xd0c047946a464284 r12 0xffff800020d499a8 r13 0 r14 0 r15 0x1 rip 0xffffffff81be1a9c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002e42b9a0 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.1) tid=133142 pid=14273 tcnt=5 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=82, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff8000211da2c0,0xffff80002612dd50 process=0xffff8000212229f0 user=0xffff80002e426000, vmspace=0xfffffd806be0a018 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 29541 258486 33666 32767 2 0x10 syz-executor.5 35456 223133 25779 32767 7 0x10 syz-executor.7 14273 194594 90696 32767 2 0x10 syz-executor.1 14273 334564 90696 32767 3 0x4000090 fsleep syz-executor.1 *14273 133142 90696 32767 7 0x4000010 syz-executor.1 14273 436845 90696 32767 3 0x4000090 fsleep syz-executor.1 14273 120609 90696 32767 2 0x4000010 syz-executor.1 44220 308328 10325 32767 2 0x10 syz-executor.3 30997 376518 1356 32767 2 0x10 syz-executor.6 30997 324783 1356 32767 3 0x4000090 fsleep syz-executor.6 52340 393000 68260 32767 2 0x10 syz-executor.2 52340 124644 68260 32767 3 0x4000090 netcon2 syz-executor.2 52340 258087 68260 32767 2 0x4000010 syz-executor.2 90696 157008 97046 32767 3 0x90 nanoslp syz-executor.1 97046 28842 84739 0 3 0x82 wait syz-executor.1 25779 132803 16675 32767 3 0x90 nanoslp syz-executor.7 16675 88761 84739 0 3 0x82 wait syz-executor.7 1356 382153 41001 32767 3 0x90 nanoslp syz-executor.6 41001 448291 84739 0 3 0x82 wait syz-executor.6 71189 349793 70251 32767 3 0x10 biowait syz-executor.4 70251 247076 84739 0 3 0x82 wait syz-executor.4 68260 200666 41370 32767 3 0x90 nanoslp syz-executor.2 41370 409540 84739 0 3 0x82 wait syz-executor.2 11879 68090 0 0 3 0x14200 bored sosplice 33666 469033 5712 32767 3 0x90 nanoslp syz-executor.5 5712 114840 84739 0 3 0x82 wait syz-executor.5 10325 323107 5471 32767 3 0x90 nanoslp syz-executor.3 5471 358694 84739 0 3 0x82 wait syz-executor.3 48800 199870 94202 32767 2 0x10 syz-executor.0 94202 381364 84739 0 3 0x82 wait syz-executor.0 84739 2288 64206 0 3 0x2000082 wait syz-fuzzer 84739 67141 64206 0 3 0x6000082 nanoslp syz-fuzzer 84739 511618 64206 0 3 0x6000082 thrsleep syz-fuzzer 84739 351721 64206 0 3 0x6000082 wait syz-fuzzer 84739 396812 64206 0 3 0x6000082 wait syz-fuzzer 84739 339952 64206 0 3 0x6000082 thrsleep syz-fuzzer 84739 483079 64206 0 3 0x6000082 thrsleep syz-fuzzer 84739 416130 64206 0 3 0x6000082 thrsleep syz-fuzzer 84739 396184 64206 0 3 0x6000082 wait syz-fuzzer 84739 242086 64206 0 3 0x6000082 thrsleep syz-fuzzer 84739 450420 64206 0 3 0x6000082 wait syz-fuzzer 84739 126887 64206 0 3 0x6000082 wait syz-fuzzer 84739 104158 64206 0 3 0x6000082 kqread syz-fuzzer 84739 444052 64206 0 3 0x6000082 wait syz-fuzzer 84739 14750 64206 0 3 0x6000082 wait syz-fuzzer 84739 358699 64206 0 3 0x6000082 thrsleep syz-fuzzer 64206 53516 49445 0 3 0x10008a sigsusp ksh 49445 118464 12242 0 3 0x9a kqread sshd 56378 249856 1 0 3 0x100083 ttyin getty 12242 139372 1 0 3 0x88 kqread sshd 57377 296946 79664 73 3 0x1100090 kqread syslogd 79664 164029 1 0 3 0x100082 netio syslogd 83518 192052 1 0 3 0x100080 kqread resolvd 75906 485519 44497 77 3 0x100092 kqread dhcpleased 44566 304757 44497 77 3 0x100092 kqread dhcpleased 44497 83214 1 0 3 0x80 kqread dhcpleased 1418 86702 0 0 3 0x14200 bored smr 69735 8224 0 0 2 0x14200 zerothread 9363 70948 0 0 3 0x14200 aiodoned aiodoned 15598 372226 0 0 3 0x14200 syncer update 78599 413133 0 0 3 0x14200 cleaner cleaner 63927 191867 0 0 3 0x14200 reaper reaper 59017 84344 0 0 3 0x14200 pgdaemon pagedaemon 7180 74128 0 0 3 0x14200 bored viomb 74451 413808 0 0 3 0x40014200 acpi0 acpi0 567 439970 0 0 3 0x40014200 idle1 71114 110567 0 0 3 0x14200 bored softnet3 62717 390405 0 0 3 0x14200 bored softnet2 50747 341169 0 0 3 0x14200 bored softnet1 60287 286071 0 0 3 0x14200 bored softnet0 84094 62894 0 0 3 0x14200 bored systqmp 51729 488875 0 0 3 0x14200 bored systq 40138 281542 0 0 3 0x14200 tmoslp softclockmp 61599 265137 0 0 3 0x40014200 tmoslp softclock 10530 127557 0 0 3 0x40014200 idle0 1 403151 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 14273 (syz-executor.1) thread 0xffff80002612c008 (133142) shared rwlock vmmaplk r = 0 (0xfffffd806be0a110) #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 (0xffffffff82d6c010) #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 (0xffffffff82c42200) #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 71189 (syz-executor.4) thread 0xffff8000211dbaa8 (349793) exclusive rrwlock inode r = 0 (0xfffffd8068128a38) #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 (0xfffffd8077866c48) #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 10215 6413K 6420K 78643K 11328 0 pcb 13 10K 12K 78643K 15 0 rtable 236 6K 7K 78643K 785 0 pf 29 8K 8K 78643K 51 0 ifaddr 44 15K 15K 78643K 92 0 ifgroup 50 2K 2K 78643K 94 0 sysctl 2 0K 0K 78643K 2 0 counters 60 35K 35K 78643K 82 0 ioctlops 0 0K 2K 78643K 59 0 iov 0 0K 16K 78643K 385 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1278 80K 80K 78643K 4030 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 65 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 1513 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 24 89K 117K 78643K 3596 0 sigio 0 0K 0K 78643K 109 0 proc 56 78K 103K 78643K 1045 0 subproc 104 6K 6K 78643K 247 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 541 0 in_multi 99 7K 7K 78643K 259 0 ether_multi 1 0K 0K 78643K 7 0 mrt 2 0K 0K 78643K 2 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 229 1023K 1023K 78643K 229 0 exec 0 0K 1K 78643K 752 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 376 87K 100K 78643K 37348 0 UVM aobj 131 6K 6K 78643K 134 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 99 0 NDP 11 0K 2K 78643K 60 0 temp 74 5920K 6000K 78643K 13273 0 kqueue 12 18K 24K 78643K 274 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 120 139 0 136 1 0 1 1 0 8 0 rtentry 112 242 0 131 4 0 4 4 0 8 0 unpcb 144 1415 0 1402 21 20 1 6 0 8 0 syncache 312 62 0 62 9 9 0 1 0 8 0 tcpqe 32 150 0 150 9 9 0 1 0 8 0 tcpcb 808 1537 0 1532 42 40 2 15 0 8 1 arp 120 41 0 22 1 0 1 1 0 8 0 ipq 40 3 0 1 2 1 1 1 0 8 0 ipqe 40 42 0 40 2 1 1 1 0 8 0 inpcb 368 2821 0 2811 49 46 3 14 0 8 1 nd6 136 66 0 42 1 0 1 1 0 8 0 kcovpl 48 19 0 11 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 978 0 522 30 1 29 30 0 8 0 art_table 32 979 0 522 4 0 4 4 0 8 0 art_node 16 241 0 140 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 1511 0 1501 1 0 1 1 0 8 0 shmpl 112 131 0 3 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 7924 0 6472 91 0 91 91 0 8 0 ffsino 272 7924 0 6472 97 0 97 97 0 8 0 nchpl 144 12841 0 11200 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 51099 0 51098 3 2 1 2 0 8 0 percpumem 16 54 0 11 1 0 1 1 0 8 0 kstatmem 264 44 0 22 2 0 2 2 0 8 0 scxspl 216 44511 0 44510 18 17 1 8 1 8 0 plimitpl 152 497 0 474 8 6 2 2 0 8 1 sigapl 424 3877 0 3823 7 0 7 7 0 8 0 futexpl 64 33346 0 33343 2 1 1 1 0 8 0 knotepl 120 345 0 0 11 0 11 11 0 8 0 kqueuepl 216 769 0 761 11 10 1 5 0 8 0 pipepl 320 1751 0 1723 35 32 3 14 0 8 0 fdescpl 496 3858 0 3823 7 2 5 6 0 8 0 filepl 152 34083 0 33843 60 48 12 20 0 8 2 lockfpl 104 941 0 938 1 0 1 1 0 8 0 lockfspl 48 195 0 192 1 0 1 1 0 8 0 sessionpl 144 34 0 18 1 0 1 1 0 8 0 pgrppl 48 96 0 80 1 0 1 1 0 8 0 ucredpl 104 13440 0 13422 1 0 1 1 0 8 0 zombiepl 144 3823 0 3823 1 0 1 1 0 8 1 processpl 1072 3877 0 3823 5 1 4 5 0 8 0 procpl 680 10231 0 10155 16 8 8 9 0 8 1 sosppl 168 33 0 31 3 2 1 1 0 8 0 sockpl 488 4557 0 4531 103 98 5 27 0 8 1 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 13 0 0 1 0 1 1 0 8 0 mcl8k 8192 25 0 0 4 1 3 3 0 8 0 mcl4k 4096 18 0 0 3 0 3 3 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 276 0 0 33 2 31 33 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 345 0 0 18 0 18 18 0 8 0 bufpl 288 10968 0 4647 452 0 452 452 0 8 0 anonpl 24 523173 0 512368 147 50 97 102 0 186 16 amapchunkpl 152 120247 0 119399 81 35 46 48 0 158 10 amappl16 200 10923 0 10613 36 18 18 30 0 8 0 amappl15 192 20 0 19 1 0 1 1 0 8 0 amappl14 184 190 0 178 2 1 1 2 0 8 0 amappl13 176 17 0 17 2 2 0 1 0 8 0 amappl12 168 4649 0 4610 2 0 2 2 0 8 0 amappl11 160 120 0 110 1 0 1 1 0 8 0 amappl10 152 75 0 66 1 0 1 1 0 8 0 amappl9 144 175 0 173 1 0 1 1 0 8 0 amappl8 136 389 0 292 4 0 4 4 0 8 0 amappl7 128 209 0 185 2 0 2 2 0 8 0 amappl6 120 501 0 482 1 0 1 1 0 8 0 amappl5 112 196 0 188 1 0 1 1 0 8 0 amappl4 104 639 0 617 2 1 1 2 0 8 0 amappl3 96 23175 0 23083 6 3 3 4 0 8 0 amappl2 88 4470 0 4395 3 1 2 3 0 8 0 amappl1 80 22445 0 21918 22 10 12 22 0 8 0 amappl 88 36627 0 36383 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 72 133 0 3 3 0 3 3 0 8 0 uaddrrnd 24 3858 0 3823 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3858 0 3823 1 0 1 1 0 8 0 vmmpekpl 168 39356 0 39281 4 0 4 4 0 8 0 vmmpepl 168 246235 0 243854 156 46 110 120 0 357 0 vmsppl 464 3857 0 3823 7 2 5 6 0 8 0 rwobjpl 56 71938 0 64535 110 4 106 108 0 8 0 pdppl 4096 7724 0 7646 251 169 82 92 0 8 4 pvpl 32 1356337 0 1339502 405 202 203 355 0 265 47 pmappl 248 3857 0 3823 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1111 0 280 25 0 25 25 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82c2cff0) 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(ffffffff82d6be08) at __mp_lock+0x12e __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d6be08) at __mp_lock+0x12e sys/kern/kern_lock.c:147 intr_handler(ffff80002e418f10,ffff80000007bd80) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f pmap_get_ptp(fffffd8068e6fd90,7eff25f16000) at pmap_get_ptp+0x1be sys/arch/amd64/amd64/pmap.c:1223 pmap_enter(fffffd8068e6fd90,7eff25f16000,6911a000,1,20) at pmap_enter+0x2be sys/arch/amd64/amd64/pmap.c:2716 uvm_fault_upper_lookup(ffff80002e4192f0,ffff80002e419328,ffff80002e4191f0,ffff80002e419270) at uvm_fault_upper_lookup+0x2c0 sys/uvm/uvm_fault.c:895 uvm_fault(fffffd806b9dc028,7eff25f17000,0,1) at uvm_fault+0x129 sys/uvm/uvm_fault.c:605 upageflttrap(ffff80002e419470,7eff25f17e60) at upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002e419470) at usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7eff25f17e90, count: 2 ddb{0}> trace x86_ipi_db(ffffffff82c2cff0) 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(ffffffff82d6be08) at __mp_lock+0x12e __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d6be08) at __mp_lock+0x12e sys/kern/kern_lock.c:147 intr_handler(ffff80002e418f10,ffff80000007bd80) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f pmap_get_ptp(fffffd8068e6fd90,7eff25f16000) at pmap_get_ptp+0x1be sys/arch/amd64/amd64/pmap.c:1223 pmap_enter(fffffd8068e6fd90,7eff25f16000,6911a000,1,20) at pmap_enter+0x2be sys/arch/amd64/amd64/pmap.c:2716 uvm_fault_upper_lookup(ffff80002e4192f0,ffff80002e419328,ffff80002e4191f0,ffff80002e419270) at uvm_fault_upper_lookup+0x2c0 sys/uvm/uvm_fault.c:895 uvm_fault(fffffd806b9dc028,7eff25f17000,0,1) at uvm_fault+0x129 sys/uvm/uvm_fault.c:605 upageflttrap(ffff80002e419470,7eff25f17e60) at upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002e419470) at usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7eff25f17e90, count: -13 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(ffffffff8286162d) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806be0a018,20002000,20003000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806be0a018,20002000,20003000) at uvm_fault_unwire+0x43 sys/uvm/uvm_fault.c:1623 sys_sysctl(ffff80002612c008,ffff80002e42bbe0,ffff80002e42bc30) at sys_sysctl+0x239 sys/kern/kern_sysctl.c:259 syscall(ffff80002e42bcb0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e42bcb0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd63090fe490, count: 8 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8286162d) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806be0a018,20002000,20003000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806be0a018,20002000,20003000) at uvm_fault_unwire+0x43 sys/uvm/uvm_fault.c:1623 sys_sysctl(ffff80002612c008,ffff80002e42bbe0,ffff80002e42bc30) at sys_sysctl+0x239 sys/kern/kern_sysctl.c:259 syscall(ffff80002e42bcb0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e42bcb0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd63090fe490, count: -7