panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 406848 64694 32767 0x10 0x4000000 0 syz-executor *498164 64694 32767 0x10 0x4000000 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830c378d) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c208e18,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_unwire(fffffd806c208e18,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff80002a1566a4,2,20000100,ffff80002a1566d8,0,113cbeb604f2f4ee,5afb8a5669549c4) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff80002a1566a4,2,20000100,ffff80002a1566d8,0,113cbeb604f2f4ee,5afb8a5669549c4) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000ffff4cc8,ffff80002a156810,ffff80002a156760) at sys_sysctl+0x425 syscall(ffff80002a156810) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002a156810) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe9699f1ab60, 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(ffffffff830c378d) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c208e18,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_unwire(fffffd806c208e18,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff80002a1566a4,2,20000100,ffff80002a1566d8,0,113cbeb604f2f4ee,5afb8a5669549c4) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff80002a1566a4,2,20000100,ffff80002a1566d8,0,113cbeb604f2f4ee,5afb8a5669549c4) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000ffff4cc8,ffff80002a156810,ffff80002a156760) at sys_sysctl+0x425 syscall(ffff80002a156810) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002a156810) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe9699f1ab60, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a156360 rbx 0xffff800029b7cdbf rdx 0 rcx 0xffff8000ffff4cc8 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x2eed8ad8d6ca700d r11 0x2386ab4fdc464402 r12 0xffff800029b7cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff8297c545 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a156350 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=498164 pid=64694 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=73, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff5970,0xffffffff835af680 process=0xffff8000fffed6c8 user=0xffff80002a151000, vmspace=0xfffffd806c208e18 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 10660 203984 87912 0 3 0x2 biowait syz-executor 64694 336876 78897 32767 2 0x10 syz-executor 64694 408331 78897 32767 2 0x4000010 syz-executor 64694 406848 78897 32767 7 0x4000010 syz-executor *64694 498164 78897 32767 7 0x4000010 syz-executor 99935 375203 89389 32767 3 0x90 nanoslp syz-executor 99935 71436 89389 32767 3 0x4000090 piperd syz-executor 99935 123088 89389 32767 3 0x4000090 fsleep syz-executor 55991 426865 0 0 3 0x14200 bored sosplice 36017 99043 47457 0 3 0x100082 sbwait arp 47457 145542 47763 0 3 0x10008a sigsusp sh 38289 107364 89905 32767 3 0x90 nanoslp syz-executor 89389 498370 41257 32767 3 0x90 nanoslp syz-executor 78897 520530 74172 32767 3 0x90 nanoslp syz-executor 98023 51135 91899 32767 3 0x90 piperd syz-executor 47763 431345 69933 0 3 0x80 wait syz-executor 80711 36494 29359 32767 3 0x90 piperd syz-executor 91899 516361 87912 0 3 0x82 wait syz-executor 74172 507439 87912 0 3 0x82 wait syz-executor 29359 241976 87912 0 3 0x82 wait syz-executor 41257 103902 87912 0 3 0x82 wait syz-executor 69933 9067 87912 0 3 0x82 wait syz-executor 89905 506541 87912 0 3 0x82 wait syz-executor 87912 348872 12371 0 3 0x82 nanoslp syz-executor 12371 368405 17291 0 3 0x10008a sigsusp ksh 17291 384836 78627 0 3 0x98 kqread sshd-session 78627 519704 23513 0 3 0x92 kqread sshd-session 33148 257622 1 0 3 0x100083 ttyin getty 23513 272283 1 0 3 0x88 kqread sshd 32780 220644 98741 73 3 0x1100090 kqread syslogd 98741 103408 1 0 3 0x100082 sbwait syslogd 27287 483181 1 0 3 0x100080 kqread resolvd 88326 147929 32101 77 3 0x100092 kqread dhcpleased 84860 201957 32101 77 3 0x100092 kqread dhcpleased 32101 313547 1 0 3 0x80 kqread dhcpleased 12947 19073 0 0 3 0x14200 bored smr 96843 160952 0 0 2 0x14200 zerothread 10184 28401 0 0 3 0x14200 aiodoned aiodoned 57222 408121 0 0 3 0x14200 syncer update 55682 311769 0 0 3 0x14200 cleaner cleaner 50744 219724 0 0 3 0x14200 reaper reaper 56412 335115 0 0 3 0x14200 pgdaemon pagedaemon 43057 25078 0 0 3 0x14200 bored viomb 16013 208455 0 0 3 0x40014200 acpi0 acpi0 87990 138220 0 0 3 0x40014200 idle1 94606 267153 0 0 3 0x14200 bored softnet3 21453 259159 0 0 3 0x14200 bored softnet2 66362 192132 0 0 3 0x14200 bored softnet1 4839 178414 0 0 3 0x14200 bored softnet0 93975 406202 0 0 3 0x14200 bored systqmp 98470 76819 0 0 3 0x14200 bored systq 61282 438840 0 0 3 0x14200 tmoslp softclockmp 65654 105124 0 0 3 0x40014200 tmoslp softclock 76559 31451 0 0 3 0x40014200 idle0 1 513722 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 10660 (syz-executor) thread 0xffff8000ffff42a8 (203984) exclusive rrwlock inode r = 0 (0xfffffd806243f818) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:169 #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:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806ef32b38) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #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:3084 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 64694 (syz-executor) thread 0xffff8000ffff4cc8 (498164) shared rwlock vmmaplk r = 0 (0xfffffd806c208f10) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1656 #3 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] #3 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 #4 sys_sysctl+0x425 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8360b818) #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+0x2f2 sys/kern/kern_synch.c:425 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1656 #6 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] #6 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 #7 sys_sysctl+0x425 #8 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #8 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff83424f30) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:181 #3 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 #4 sys_sysctl+0x425 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10176 11042K 11059K 166960K 11260 0 pcb 17 12K 12K 166960K 17 0 rtable 176 5K 6K 166960K 328 0 pf 27 16K 16K 166960K 31 0 ifaddr 32 5K 7K 166960K 42 0 ifgroup 42 1K 2K 166960K 50 0 counters 60 35K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 30 0 iov 0 0K 12K 166960K 10 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1364 86K 86K 166960K 1595 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 10 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 20 70K 121K 166960K 280 0 sigio 1 0K 0K 166960K 2 0 proc 58 79K 115K 166960K 479 0 subproc 78 4K 6K 166960K 247 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 17 0 in_multi 67 5K 6K 166960K 92 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 61 281K 281K 166960K 61 0 exec 0 0K 1K 166960K 355 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 217 60K 78K 166960K 3672 0 UVM aobj 10 2K 2K 166960K 10 0 pinsyscall 42 84K 112K 166960K 1264 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 9 0 NDP 9 0K 1K 166960K 25 0 temp 29 6814K 6879K 166960K 4283 0 kqueue 13 20K 27K 166960K 41 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 41 0 37 1 0 1 1 0 8 0 rtentry 112 104 0 23 3 0 3 3 0 8 0 unpcb 144 111 0 92 2 0 2 2 0 8 1 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 808 51 0 46 2 0 2 2 0 8 1 arp 120 17 0 4 1 0 1 1 0 8 0 ipq 40 1 0 1 1 0 1 1 0 8 1 ipqe 40 44 0 44 1 0 1 1 0 8 1 inpcb 336 156 0 147 2 0 2 2 0 8 1 nd6 136 22 0 6 1 0 1 1 0 8 0 kcovpl 48 19 0 13 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 426 0 88 26 0 26 26 0 8 4 art_table 32 427 0 88 4 0 4 4 0 8 0 art_node 16 103 0 29 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 7 0 0 1 0 1 1 0 8 0 shmpl 112 7 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1759 0 243 95 0 95 95 0 8 0 ffsino 272 1759 0 243 102 0 102 102 0 8 0 nchpl 144 2074 0 393 63 0 63 63 0 8 0 uvmvnodes 80 2015 0 0 42 0 42 42 0 8 0 vnodes 216 2015 0 0 112 0 112 112 0 8 0 namei 1024 6398 0 6397 1 0 1 1 0 8 0 percpumem 16 46 0 2 1 0 1 1 0 8 0 kstatmem 264 22 0 4 2 0 2 2 0 8 0 scxspl 216 6073 0 6072 4 1 3 3 1 8 2 plimitpl 152 68 0 47 2 0 2 2 0 8 1 sigapl 424 531 0 480 7 0 7 7 0 8 0 futexpl 64 1406 0 1405 1 0 1 1 0 8 0 knotepl 120 556 0 0 17 0 17 17 0 8 0 kqueuepl 216 49 0 38 1 0 1 1 0 8 0 pipepl 320 143 0 115 3 0 3 3 0 8 0 fdescpl 496 512 0 480 7 1 6 6 0 8 0 filepl 152 2336 0 2120 13 0 13 13 0 8 2 lockfpl 104 21 0 19 1 0 1 1 0 8 0 lockfspl 48 10 0 8 1 0 1 1 0 8 0 sessionpl 144 33 0 19 1 0 1 1 0 8 0 pgrppl 48 53 0 32 1 0 1 1 0 8 0 ucredpl 104 405 0 389 1 0 1 1 0 8 0 zombiepl 144 481 0 480 1 0 1 1 0 8 0 processpl 1160 531 0 480 5 0 5 5 0 8 0 procpl 648 695 0 639 6 0 6 6 0 8 0 sockpl 664 312 0 280 5 0 5 5 0 8 1 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 150 0 0 19 0 19 19 0 8 0 mcl2k 2048 23 0 0 3 0 3 3 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 265 0 0 17 0 17 17 0 8 0 bufpl 280 2474 0 95 170 0 170 170 0 8 0 anonpl 24 148568 0 145533 35 1 34 34 0 185 10 amapchunkpl 152 12235 0 11780 29 0 29 29 0 158 6 amappl16 200 3664 0 3657 4 2 2 4 0 8 1 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 107 0 96 1 0 1 1 0 8 0 amappl13 176 19 0 19 2 2 0 1 0 8 0 amappl12 168 1125 0 1094 2 0 2 2 0 8 0 amappl11 160 65 0 55 1 0 1 1 0 8 0 amappl10 152 16 0 15 1 0 1 1 0 8 0 amappl9 144 200 0 200 1 1 0 1 0 8 0 amappl8 136 21 0 20 1 0 1 1 0 8 0 amappl7 128 103 0 92 1 0 1 1 0 8 0 amappl6 120 151 0 149 1 0 1 1 0 8 0 amappl5 112 126 0 118 1 0 1 1 0 8 0 amappl4 104 275 0 261 1 0 1 1 0 8 0 amappl3 96 1968 0 1882 3 0 3 3 0 8 0 amappl2 88 764 0 685 3 0 3 3 0 8 0 amappl1 80 7742 0 7212 14 0 14 14 0 8 1 amappl 88 3327 0 3165 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 9 0 0 1 0 1 1 0 8 0 uaddrrnd 24 512 0 480 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 512 0 480 1 0 1 1 0 8 0 vmmpekpl 168 5815 0 5770 3 0 3 3 0 8 0 vmmpepl 168 39244 0 37521 96 0 96 96 0 357 9 vmsppl 448 511 0 480 5 0 5 5 0 8 0 rwobjpl 56 16890 0 14048 42 0 42 42 0 8 1 pdppl 4096 1031 0 960 113 32 81 95 0 8 10 pvpl 32 13911 0 0 114 1 113 113 0 265 0 pmappl 248 511 0 480 4 1 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 396 0 34 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83476ff0) 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(ffffffff8360b610) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8360b610) at __mp_lock+0x19e sys/kern/kern_lock.c:144 intr_handler(ffff80002a0d47a0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff8360b610) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8360b610) at __mp_lock+0x192 sys/kern/kern_lock.c:144 vn_write(fffffd8075266d30,ffff80002a0d49c8,0) at vn_write+0x4e sys/kern/vfs_vnops.c:393 dofilewritev(ffff8000ffff5970,c8,ffff80002a0d49c8,0,ffff80002a0d4a80) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_write(ffff8000ffff5970,ffff80002a0d4b30,ffff80002a0d4a80) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a0d4b30) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002a0d4b30) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe96e0054630, count: 3 ddb{0}> trace x86_ipi_db(ffffffff83476ff0) 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(ffffffff8360b610) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8360b610) at __mp_lock+0x19e sys/kern/kern_lock.c:144 intr_handler(ffff80002a0d47a0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff8360b610) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8360b610) at __mp_lock+0x192 sys/kern/kern_lock.c:144 vn_write(fffffd8075266d30,ffff80002a0d49c8,0) at vn_write+0x4e sys/kern/vfs_vnops.c:393 dofilewritev(ffff8000ffff5970,c8,ffff80002a0d49c8,0,ffff80002a0d4a80) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_write(ffff8000ffff5970,ffff80002a0d4b30,ffff80002a0d4a80) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a0d4b30) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002a0d4b30) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe96e0054630, count: -12 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(ffffffff830c378d) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c208e18,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_unwire(fffffd806c208e18,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff80002a1566a4,2,20000100,ffff80002a1566d8,0,113cbeb604f2f4ee,5afb8a5669549c4) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff80002a1566a4,2,20000100,ffff80002a1566d8,0,113cbeb604f2f4ee,5afb8a5669549c4) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000ffff4cc8,ffff80002a156810,ffff80002a156760) at sys_sysctl+0x425 syscall(ffff80002a156810) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002a156810) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe9699f1ab60, count: 7 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830c378d) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c208e18,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_unwire(fffffd806c208e18,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff80002a1566a4,2,20000100,ffff80002a1566d8,0,113cbeb604f2f4ee,5afb8a5669549c4) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff80002a1566a4,2,20000100,ffff80002a1566d8,0,113cbeb604f2f4ee,5afb8a5669549c4) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000ffff4cc8,ffff80002a156810,ffff80002a156760) at sys_sysctl+0x425 syscall(ffff80002a156810) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002a156810) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe9699f1ab60, count: -8