panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *104987 28541 0 0x8000010 0x4000000 0K syz-executor.2 313609 13056 73 0x19100010 0x1 1 syslogd db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8292fbd3) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd805ff69dc8,20200000,20210000) at uvm_fault_unwire_locked+0x331 sys/uvm/uvm_fault.c:1663 uvm_fault_wire(fffffd805ff69dc8,20200000,20211000,3) at uvm_fault_wire+0xd7 uvm_fault_unwire sys/uvm/uvm_fault.c:1623 [inline] uvm_fault_wire(fffffd805ff69dc8,20200000,20211000,3) at uvm_fault_wire+0xd7 sys/uvm/uvm_fault.c:1605 uvm_vslock_device(ffff80002a1dea60,20200040,10000,3,ffff8000373cf8c0) at uvm_vslock_device+0xe9 sys/uvm/uvm_glue.c:170 physio(ffffffff819219b0,d02,8000,ffffffff81922030,ffff8000373cfb78) at physio+0x215 sys/kern/kern_physio.c:139 spec_read(ffff8000373cf9e0) at spec_read+0x105 sys/kern/spec_vnops.c:215 VOP_READ(fffffd80745f0130,ffff8000373cfb78,0,fffffd807f7d78f0) at VOP_READ+0xc3 sys/kern/vfs_vops.c:227 vn_read(fffffd8074566720,ffff8000373cfb78,1) at vn_read+0x115 sys/kern/vfs_vnops.c:369 dofilereadv(ffff80002a1dea60,9,ffff8000373cfb78,1,ffff8000373cfc30) at dofilereadv+0x1a1 sys/kern/sys_generic.c:247 sys_pread(ffff80002a1dea60,ffff8000373cfce0,ffff8000373cfc30) at sys_pread+0x93 sys/kern/vfs_syscalls.c:3271 syscall(ffff8000373cfce0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff8000373cfce0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x346a0cdf60, count: 2 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault_unwire_locked: address not in map ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8292fbd3) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd805ff69dc8,20200000,20210000) at uvm_fault_unwire_locked+0x331 sys/uvm/uvm_fault.c:1663 uvm_fault_wire(fffffd805ff69dc8,20200000,20211000,3) at uvm_fault_wire+0xd7 uvm_fault_unwire sys/uvm/uvm_fault.c:1623 [inline] uvm_fault_wire(fffffd805ff69dc8,20200000,20211000,3) at uvm_fault_wire+0xd7 sys/uvm/uvm_fault.c:1605 uvm_vslock_device(ffff80002a1dea60,20200040,10000,3,ffff8000373cf8c0) at uvm_vslock_device+0xe9 sys/uvm/uvm_glue.c:170 physio(ffffffff819219b0,d02,8000,ffffffff81922030,ffff8000373cfb78) at physio+0x215 sys/kern/kern_physio.c:139 spec_read(ffff8000373cf9e0) at spec_read+0x105 sys/kern/spec_vnops.c:215 VOP_READ(fffffd80745f0130,ffff8000373cfb78,0,fffffd807f7d78f0) at VOP_READ+0xc3 sys/kern/vfs_vops.c:227 vn_read(fffffd8074566720,ffff8000373cfb78,1) at vn_read+0x115 sys/kern/vfs_vnops.c:369 dofilereadv(ffff80002a1dea60,9,ffff8000373cfb78,1,ffff8000373cfc30) at dofilereadv+0x1a1 sys/kern/sys_generic.c:247 sys_pread(ffff80002a1dea60,ffff8000373cfce0,ffff8000373cfc30) at sys_pread+0x93 sys/kern/vfs_syscalls.c:3271 syscall(ffff8000373cfce0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff8000373cfce0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x346a0cdf60, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000373cf600 rbx 0xffffffff82cf5cdf cpu_info_full_primary+0x2cdf rdx 0xffff800000e1d4c0 rcx 0xffff80002a1dea60 rax 0xffffffff82cf4ff0 cpu_info_full_primary+0x1ff0 r8 0 r9 0x8080808080808080 r10 0xd48f3582fb7ccc0a r11 0xccd50755ff332794 r12 0xffffffff82cf5ae0 cpu_info_full_primary+0x2ae0 r13 0 r14 0 r15 0x1 rip 0xffffffff81f0b7dc db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff8000373cf5f0 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.2) tid=104987 pid=28541 tcnt=4 stat=onproc flags process=8000010 proc=4000000 runpri=36, usrpri=86, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a1decf0,0xffff80003737d230 process=0xffff80002a15b548 user=0xffff8000373ca000, vmspace=0xfffffd805ff69dc8 estcpu=36, cpticks=3, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 74290 161938 6017 0 2 0x8000480 syz-executor.5 74290 444273 6017 0 3 0xc000080 kqsel syz-executor.5 74290 49429 6017 0 3 0xc000080 fsleep syz-executor.5 28541 64285 94814 0 2 0x8000010 syz-executor.2 28541 310210 94814 0 3 0xc000090 kqread syz-executor.2 *28541 104987 94814 0 7 0xc000010 syz-executor.2 28541 430845 94814 0 2 0xc000010 syz-executor.2 90270 124153 37503 0 2 0x8000480 syz-executor.3 90270 505566 37503 0 3 0xc000080 kqsel syz-executor.3 90270 278160 37503 0 3 0xc000080 fsleep syz-executor.3 21553 4064 80069 0 2 0x8000480 syz-executor.7 21553 297017 80069 0 3 0xc000080 lockf syz-executor.7 21553 191937 80069 0 3 0xc000080 lockf syz-executor.7 21553 474858 80069 0 3 0xc000080 fsleep syz-executor.7 88442 231145 84026 0 2 0x8000480 syz-executor.4 88442 477643 84026 0 3 0xc000080 pipewr syz-executor.4 88442 4493 84026 0 3 0xc000080 fsleep syz-executor.4 85719 317412 1 0 3 0x18100083 ttyin getty 37503 480576 95410 0 2 0x8000482 syz-executor.3 84026 252391 95410 0 2 0x8000482 syz-executor.4 94814 121601 95410 0 2 0x8000482 syz-executor.2 6017 132787 95410 0 2 0x8000482 syz-executor.5 39213 214781 95410 0 3 0x8000082 piperd syz-executor.6 31629 79918 95410 0 3 0x8000082 piperd syz-executor.0 80069 271634 95410 0 2 0x8000482 syz-executor.7 82285 373141 0 0 3 0x14200 acct acct 85053 501858 95410 0 3 0x8000082 piperd syz-executor.1 6517 454431 0 0 3 0x14200 bored sosplice 95410 363040 32129 0 3 0x1a000082 thrsleep syz-fuzzer 95410 488382 32129 0 3 0x1e000082 thrsleep syz-fuzzer 95410 223607 32129 0 3 0x1e000082 wait syz-fuzzer 95410 388447 32129 0 3 0x1e000082 kqread syz-fuzzer 95410 185502 32129 0 3 0x1e000082 wait syz-fuzzer 95410 86341 32129 0 3 0x1e000082 thrsleep syz-fuzzer 95410 478957 32129 0 3 0x1e000082 wait syz-fuzzer 95410 477386 32129 0 3 0x1e000082 wait syz-fuzzer 95410 174528 32129 0 3 0x1e000082 wait syz-fuzzer 95410 158166 32129 0 3 0x1e000082 thrsleep syz-fuzzer 95410 397247 32129 0 3 0x1e000082 thrsleep syz-fuzzer 95410 76237 32129 0 3 0x1e000082 thrsleep syz-fuzzer 95410 123414 32129 0 3 0x1e000082 wait syz-fuzzer 95410 393287 32129 0 3 0x1e000082 thrsleep syz-fuzzer 95410 9281 32129 0 3 0x1e000082 wait syz-fuzzer 95410 246721 32129 0 3 0x1e000082 wait syz-fuzzer 32129 197252 69212 0 3 0x810008a sigsusp ksh 69212 206473 19466 0 3 0x1800009a kqread sshd 19466 297888 1 0 3 0x18000088 kqread sshd 91562 62556 24333 74 3 0x19100092 bpf pflogd 24333 378260 1 0 3 0x18000080 sbwait pflogd 13056 313609 84525 73 7 0x19100011 syslogd 84525 128953 1 0 3 0x18100082 sbwait syslogd 4483 36983 1 0 3 0x18100080 kqread resolvd 14422 500824 17359 77 3 0x18100092 kqread dhcpleased 62911 174622 17359 77 3 0x18100092 kqread dhcpleased 17359 368487 1 0 3 0x18000080 kqread dhcpleased 34198 41721 0 0 3 0x14200 bored smr 7864 404366 0 0 2 0x14200 zerothread 22054 132929 0 0 3 0x14200 aiodoned aiodoned 90363 499518 0 0 3 0x14200 syncer update 83424 257606 0 0 3 0x14200 cleaner cleaner 19387 47309 0 0 3 0x14200 reaper reaper 40429 79623 0 0 3 0x14200 pgdaemon pagedaemon 34075 435799 0 0 3 0x14200 bored viomb 93264 515433 0 0 3 0x40014200 acpi0 acpi0 20973 491457 0 0 3 0x40014200 idle1 78893 269042 0 0 3 0x14200 bored softnet3 72202 495177 0 0 3 0x14200 bored softnet2 4132 339550 0 0 3 0x14200 bored softnet1 56147 386310 0 0 3 0x14200 bored softnet0 59840 447018 0 0 3 0x14200 bored systqmp 91730 209578 0 0 3 0x14200 bored systq 20224 241204 0 0 3 0x14200 tmoslp softclockmp 8678 207246 0 0 2 0x40014200 softclock 45504 286764 0 0 3 0x40014200 idle0 1 283071 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 28541 (syz-executor.2) thread 0xffff80002a1dea60 (104987) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10196 6506K 6926K 166960K 11604 0 pcb 17 14K 16K 166960K 268 0 rtable 223 8K 8K 166960K 821 0 pf 37 10K 11K 166960K 117 0 ifaddr 44 15K 16K 166960K 118 0 ifgroup 66 2K 3K 166960K 183 0 sysctl 4 1K 1K 166960K 4 0 counters 68 36K 37K 166960K 126 0 ioctlops 0 0K 4K 166960K 1557 0 iov 0 0K 28K 166960K 86 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1392 88K 88K 166960K 1953 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 43 0 VM map 2 1K 1K 166960K 2 0 sem 21 1K 1K 166960K 93 0 dirhash 12 2K 2K 166960K 27 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 15 53K 85K 166960K 1563 0 sigio 0 0K 0K 166960K 39 0 proc 70 91K 140K 166960K 986 0 subproc 104 6K 8K 166960K 286 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 223 0 in_multi 78 5K 7K 166960K 268 0 ether_multi 1 0K 0K 166960K 12 0 mrt 1 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 699 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 291 79K 96K 166960K 15685 0 UVM aobj 14 2K 2K 166960K 17 0 pinsyscall 39 78K 108K 166960K 3056 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 88 0 NDP 14 0K 2K 166960K 81 0 temp 83 6820K 7316K 166960K 54209 0 kqueue 12 18K 32K 166960K 234 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> 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 120 164 0 161 1 0 1 1 0 8 0 rtentry 112 262 0 162 4 0 4 4 0 8 0 unpcb 144 1146 0 1126 6 5 1 2 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpqe 32 58 0 58 1 1 0 1 0 8 0 tcpcb 808 351 0 345 5 4 1 2 0 8 0 arp 120 45 0 29 1 0 1 1 0 8 0 inpcb 384 1435 0 1423 13 11 2 8 0 8 0 nd6 136 68 0 46 2 0 2 2 0 8 0 pkpcb 40 12 0 12 6 6 0 1 0 8 0 kcovpl 48 22 0 14 1 0 1 1 0 8 0 ppxss 1168 5 0 5 3 3 0 1 0 8 0 pffrag 232 11 0 6 2 1 1 1 0 482 0 pffrnode 88 10 0 6 2 1 1 1 0 8 0 pffrent 40 62 0 57 2 1 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 129 0 80 1 0 1 1 0 8 0 pfstkey 128 129 0 80 2 0 2 2 0 8 0 pfstate 376 129 0 80 7 1 6 6 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 1045 0 644 35 9 26 32 0 8 0 art_table 32 1047 0 644 5 0 5 5 0 8 0 art_node 16 260 0 169 1 0 1 1 0 8 0 sysvmsgpl 40 16 0 8 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 88 0 69 1 0 1 1 0 8 0 shmpl 112 14 0 3 1 0 1 1 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 3819 0 2291 96 0 96 96 0 8 0 ffsino 272 3819 0 2291 103 0 103 103 0 8 0 nchpl 144 6340 0 4599 68 1 67 67 0 8 0 uvmvnodes 80 4201 0 0 86 0 86 86 0 8 0 vnodes 216 4201 0 0 234 0 234 234 0 8 0 namei 1024 21344 0 21344 5 4 1 2 0 8 1 percpumem 16 77 0 29 1 0 1 1 0 8 0 vcpupl 3904 5 0 0 1 0 1 1 0 8 0 vmpool 696 8 0 3 1 0 1 1 0 8 0 kstatmem 264 86 0 58 3 1 2 3 0 8 0 scxspl 216 28270 0 28270 17 15 2 8 1 8 2 plimitpl 152 230 0 213 1 0 1 1 0 8 0 sigapl 424 1880 0 1832 9 2 7 9 0 8 0 futexpl 64 21290 0 21286 2 1 1 1 0 8 0 knotepl 120 617 0 0 18 0 18 18 0 8 0 kqueuepl 216 405 0 394 1 0 1 1 0 8 0 pipepl 320 375 0 345 3 0 3 3 0 8 0 fdescpl 496 1840 0 1812 5 0 5 5 0 8 0 filepl 152 10943 0 10679 14 2 12 13 0 8 1 lockfpl 104 445 0 439 1 0 1 1 0 8 0 lockfspl 48 184 0 180 1 0 1 1 0 8 0 sessionpl 144 40 0 23 1 0 1 1 0 8 0 pgrppl 48 74 0 57 1 0 1 1 0 8 0 ucredpl 104 1674 0 1659 1 0 1 1 0 8 0 zombiepl 144 1832 0 1832 2 1 1 1 0 8 1 processpl 1136 1880 0 1832 6 1 5 6 0 8 0 procpl 656 3481 0 3406 9 1 8 9 0 8 0 srpgc 96 12 0 12 4 4 0 1 0 8 0 sosppl 168 24 0 24 4 4 0 1 0 8 0 sockpl 664 2777 0 2742 15 11 4 8 0 8 1 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 329 0 0 42 1 41 42 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 1019 0 0 62 0 62 62 0 8 0 bufpl 280 8631 0 2375 448 0 448 448 0 8 0 anonpl 24 355802 0 349543 135 68 67 90 0 186 10 amapchunkpl 152 51820 0 51123 61 23 38 41 0 158 8 amappl16 200 8723 0 8588 34 13 21 21 0 8 6 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 221 0 208 2 1 1 2 0 8 0 amappl13 176 13 0 13 2 2 0 1 0 8 0 amappl12 168 2686 0 2656 3 1 2 2 0 8 0 amappl11 160 63 0 48 1 0 1 1 0 8 0 amappl10 152 68 0 58 1 0 1 1 0 8 0 amappl9 144 183 0 182 1 0 1 1 0 8 0 amappl8 136 170 0 135 2 0 2 2 0 8 0 amappl7 128 65 0 48 1 0 1 1 0 8 0 amappl6 120 547 0 528 2 1 1 2 0 8 0 amappl5 112 217 0 202 1 0 1 1 0 8 0 amappl4 104 681 0 637 3 1 2 3 0 8 0 amappl3 96 10086 0 9998 3 0 3 3 0 8 0 amappl2 88 2302 0 2226 4 2 2 4 0 8 0 amappl1 80 15049 0 14498 23 10 13 23 0 8 0 amappl 88 14931 0 14729 6 0 6 6 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 16 0 3 1 0 1 1 0 8 0 uaddrrnd 24 1848 0 1815 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1848 0 1815 1 0 1 1 0 8 0 vmmpekpl 168 17355 0 17285 4 0 4 4 0 8 0 vmmpepl 168 131855 0 129882 161 59 102 118 0 357 2 vmsppl 440 1847 0 1815 6 1 5 5 0 8 0 rwobjpl 56 41502 0 36091 86 7 79 79 0 8 0 pdppl 4096 3703 0 3635 168 94 74 81 0 8 6 pvpl 32 45276 0 0 367 1 366 367 0 265 0 pmappl 248 1847 0 1815 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 532 0 118 13 0 13 13 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8292fbd3) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd805ff69dc8,20200000,20210000) at uvm_fault_unwire_locked+0x331 sys/uvm/uvm_fault.c:1663 uvm_fault_wire(fffffd805ff69dc8,20200000,20211000,3) at uvm_fault_wire+0xd7 uvm_fault_unwire sys/uvm/uvm_fault.c:1623 [inline] uvm_fault_wire(fffffd805ff69dc8,20200000,20211000,3) at uvm_fault_wire+0xd7 sys/uvm/uvm_fault.c:1605 uvm_vslock_device(ffff80002a1dea60,20200040,10000,3,ffff8000373cf8c0) at uvm_vslock_device+0xe9 sys/uvm/uvm_glue.c:170 physio(ffffffff819219b0,d02,8000,ffffffff81922030,ffff8000373cfb78) at physio+0x215 sys/kern/kern_physio.c:139 spec_read(ffff8000373cf9e0) at spec_read+0x105 sys/kern/spec_vnops.c:215 VOP_READ(fffffd80745f0130,ffff8000373cfb78,0,fffffd807f7d78f0) at VOP_READ+0xc3 sys/kern/vfs_vops.c:227 vn_read(fffffd8074566720,ffff8000373cfb78,1) at vn_read+0x115 sys/kern/vfs_vnops.c:369 dofilereadv(ffff80002a1dea60,9,ffff8000373cfb78,1,ffff8000373cfc30) at dofilereadv+0x1a1 sys/kern/sys_generic.c:247 sys_pread(ffff80002a1dea60,ffff8000373cfce0,ffff8000373cfc30) at sys_pread+0x93 sys/kern/vfs_syscalls.c:3271 syscall(ffff8000373cfce0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff8000373cfce0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x346a0cdf60, count: -13 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800029cebff0) 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(ffffffff82d68260) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d68260) at __mp_lock+0x122 sys/kern/kern_lock.c:147 ktrgenio(ffff8000ffffd9b0,e,1,ffff800000dd0680,68) at ktrgenio+0x1dd dofilewritev(ffff8000ffffd9b0,e,ffff80002a1da980,0,ffff80002a1daa40) at dofilewritev+0x393 sys/kern/sys_generic.c:396 sys_writev(ffff8000ffffd9b0,ffff80002a1daaf0,ffff80002a1daa40) at sys_writev+0xab sys/kern/sys_generic.c:322 syscall(ffff80002a1daaf0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002a1daaf0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x739df130b500, count: 6 ddb{1}> trace x86_ipi_db(ffff800029cebff0) 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(ffffffff82d68260) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d68260) at __mp_lock+0x122 sys/kern/kern_lock.c:147 ktrgenio(ffff8000ffffd9b0,e,1,ffff800000dd0680,68) at ktrgenio+0x1dd dofilewritev(ffff8000ffffd9b0,e,ffff80002a1da980,0,ffff80002a1daa40) at dofilewritev+0x393 sys/kern/sys_generic.c:396 sys_writev(ffff8000ffffd9b0,ffff80002a1daaf0,ffff80002a1daa40) at sys_writev+0xab sys/kern/sys_generic.c:322 syscall(ffff80002a1daaf0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002a1daaf0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x739df130b500, count: -9