kernel: page fault trap, code=10 Stopped at 0 TID PID UID PRFLAGS PFLAGS CPU COMMAND *301431 10612 0 0 0x4000000 0K syz-executor.5 0(ffff800000e97000,b,fffffd807b5dd4d8,ffff800034a1b058,0,d) at 0 rtrequest(b,ffff800034a1afc8,83,ffff800034a1b068,0) at rtrequest+0x96a sys/net/route.c:1057 rt_clone(ffff800034a1b0d8,ffff800034a1b148,0) at rt_clone+0x7c sys/net/route.c:337 rtalloc_mpath(ffff800034a1b148,fffffd8066bf7ce4,0) at rtalloc_mpath+0xbd rt_match sys/net/route.c:314 [inline] rtalloc_mpath(ffff800034a1b148,fffffd8066bf7ce4,0) at rtalloc_mpath+0xbd sys/net/route.c:430 in_ouraddr(fffffd8066bf7c00,ffff800000de7000,ffff800034a1b1d0) at in_ouraddr+0xa7 sys/netinet/ip_input.c:777 ip_input_if(ffff800034a1b288,ffff800034a1b294,4,0,ffff800000de7000) at ip_input_if+0x2ac sys/netinet/ip_input.c:446 ipv4_input(ffff800000de7000,fffffd8066bf7c00) at ipv4_input+0x4c sys/netinet/ip_input.c:291 ether_input(ffff800000de7000,fffffd8066bf7c00) at ether_input+0x58a tun_dev_write(5d05,ffff800034a1b5f8,ffff80002e8e5000,2) at tun_dev_write+0x203 sys/net/if_tun.c:914 spec_write(ffff800034a1b450) at spec_write+0xd9 sys/kern/spec_vnops.c:302 VOP_WRITE(fffffd80669be378,ffff800034a1b5f8,11,fffffd807f7d7680) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245 vn_write(fffffd8066a98c80,ffff800034a1b5f8,0) at vn_write+0x15b sys/kern/vfs_vnops.c:408 dofilewritev(ffff80002a171ac0,c8,ffff800034a1b5f8,0,ffff800034a1b6b0) at dofilewritev+0x1a0 sys/kern/sys_generic.c:375 sys_write(ffff80002a171ac0,ffff800034a1b760,ffff800034a1b6b0) at sys_write+0x87 sys/kern/sys_generic.c:295 syscall(ffff800034a1b760) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff800034a1b760) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff800034a1b7e0, count: 0 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: attempt to execute user address 0x0 in supervisor mode ddb{0}> trace 0(ffff800000e97000,b,fffffd807b5dd4d8,ffff800034a1b058,0,d) at 0 rtrequest(b,ffff800034a1afc8,83,ffff800034a1b068,0) at rtrequest+0x96a sys/net/route.c:1057 rt_clone(ffff800034a1b0d8,ffff800034a1b148,0) at rt_clone+0x7c sys/net/route.c:337 rtalloc_mpath(ffff800034a1b148,fffffd8066bf7ce4,0) at rtalloc_mpath+0xbd rt_match sys/net/route.c:314 [inline] rtalloc_mpath(ffff800034a1b148,fffffd8066bf7ce4,0) at rtalloc_mpath+0xbd sys/net/route.c:430 in_ouraddr(fffffd8066bf7c00,ffff800000de7000,ffff800034a1b1d0) at in_ouraddr+0xa7 sys/netinet/ip_input.c:777 ip_input_if(ffff800034a1b288,ffff800034a1b294,4,0,ffff800000de7000) at ip_input_if+0x2ac sys/netinet/ip_input.c:446 ipv4_input(ffff800000de7000,fffffd8066bf7c00) at ipv4_input+0x4c sys/netinet/ip_input.c:291 ether_input(ffff800000de7000,fffffd8066bf7c00) at ether_input+0x58a tun_dev_write(5d05,ffff800034a1b5f8,ffff80002e8e5000,2) at tun_dev_write+0x203 sys/net/if_tun.c:914 spec_write(ffff800034a1b450) at spec_write+0xd9 sys/kern/spec_vnops.c:302 VOP_WRITE(fffffd80669be378,ffff800034a1b5f8,11,fffffd807f7d7680) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245 vn_write(fffffd8066a98c80,ffff800034a1b5f8,0) at vn_write+0x15b sys/kern/vfs_vnops.c:408 dofilewritev(ffff80002a171ac0,c8,ffff800034a1b5f8,0,ffff800034a1b6b0) at dofilewritev+0x1a0 sys/kern/sys_generic.c:375 sys_write(ffff80002a171ac0,ffff800034a1b760,ffff800034a1b6b0) at sys_write+0x87 sys/kern/sys_generic.c:295 syscall(ffff800034a1b760) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff800034a1b760) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1f2117cee00, count: -15 ddb{0}> show registers rdi 0xffff800000e97000 rsi 0xb rbp 0xffff800034a1afb0 rbx 0xffff800034a1b068 rdx 0xfffffd807b5dd4d8 rcx 0xb56 rax 0xffffffff81cd5a66 rtrequest+0x946 r8 0x100 r9 0xfffffd807b5dd4d8 r10 0xbf366dfe1267e970 r11 0 r12 0xfffffd807b5dd4d8 r13 0xffff800034a1afc8 r14 0xfffffd807b5dd4d8 r15 0xffff8000006bc920 rip 0 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800034a1aeb8 ss 0x10 0 ddb{0}> show proc PROC (syz-executor.5) tid=301431 pid=10612 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a172808,0xffffffff82de2180 process=0xffff800032534028 user=0xffff800034a16000, vmspace=0xfffffd807e357e38 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 10612 222748 3033 0 2 0 syz-executor.5 *10612 301431 3033 0 7 0x4000000 syz-executor.5 68104 467944 17912 0 2 0x480 syz-executor.0 68104 327775 17912 0 3 0x4000080 netcon2 syz-executor.0 68104 468738 17912 0 3 0x4000080 fsleep syz-executor.0 18640 328452 47411 0 3 0x82 nanoslp syz-executor.3 28097 8339 47411 0 2 0x482 syz-executor.2 846 472383 47411 0 3 0x82 nanoslp syz-executor.7 3033 223823 47411 0 3 0x82 nanoslp syz-executor.5 59807 352385 47411 0 3 0x82 nanoslp syz-executor.1 936 23797 1 0 3 0x100083 ttyin getty 63731 308579 47411 0 3 0x82 nanoslp syz-executor.6 40724 61446 0 0 3 0x14200 acct acct 17912 446604 47411 0 2 0x482 syz-executor.0 22686 63677 0 0 3 0x14280 nfsidl nfsio 98194 159018 0 0 3 0x14280 nfsidl nfsio 73185 460036 0 0 3 0x14280 nfsidl nfsio 80302 330395 0 0 3 0x14280 nfsidl nfsio 50605 196744 0 0 3 0x14280 nfsidl nfsio 99676 484977 0 0 3 0x14280 nfsidl nfsio 36953 353148 0 0 3 0x14280 nfsidl nfsio 78496 174341 0 0 3 0x14280 nfsidl nfsio 47455 379035 0 0 3 0x14280 nfsidl nfsio 74554 6566 0 0 3 0x14280 nfsidl nfsio 9389 351468 0 0 3 0x14280 nfsidl nfsio 54452 26221 0 0 3 0x14280 nfsidl nfsio 31707 245571 0 0 3 0x14280 nfsidl nfsio 8736 312407 0 0 3 0x14280 nfsidl nfsio 17114 9855 0 0 3 0x14280 nfsidl nfsio 34898 297694 0 0 3 0x14280 nfsidl nfsio 308 85329 0 0 3 0x14280 nfsidl nfsio 31496 81986 0 0 3 0x14280 nfsidl nfsio 12008 228395 0 0 3 0x14280 nfsidl nfsio 90866 364569 0 0 3 0x14280 nfsidl nfsio 14514 172308 0 0 3 0x14200 bored sosplice 47411 250678 52988 0 3 0x2000082 thrsleep syz-fuzzer 47411 441579 52988 0 3 0x6000082 thrsleep syz-fuzzer 47411 185055 52988 0 3 0x6000082 thrsleep syz-fuzzer 47411 107190 52988 0 3 0x6000082 thrsleep syz-fuzzer 47411 70592 52988 0 3 0x6000082 wait syz-fuzzer 47411 249288 52988 0 3 0x6000082 kqread syz-fuzzer 47411 200710 52988 0 3 0x6000082 thrsleep syz-fuzzer 47411 110661 52988 0 3 0x6000082 thrsleep syz-fuzzer 47411 172705 52988 0 3 0x6000082 thrsleep syz-fuzzer 47411 101783 52988 0 3 0x6000082 thrsleep syz-fuzzer 47411 515030 52988 0 3 0x6000082 thrsleep syz-fuzzer 47411 204281 52988 0 3 0x6000082 wait syz-fuzzer 47411 175972 52988 0 3 0x6000082 wait syz-fuzzer 47411 310183 52988 0 3 0x6000082 wait syz-fuzzer 47411 419547 52988 0 3 0x6000082 wait syz-fuzzer 47411 341229 52988 0 3 0x6000082 wait syz-fuzzer 47411 306203 52988 0 3 0x6000082 wait syz-fuzzer 52988 107634 19703 0 3 0x10008a sigsusp ksh 19703 58107 267 0 3 0x9a kqread sshd 267 45679 1 0 3 0x88 kqread sshd 78718 116060 76953 74 3 0x1100092 bpf pflogd 76953 484476 1 0 3 0x80 netio pflogd 44279 22778 21728 73 3 0x1100090 kqread syslogd 21728 33449 1 0 3 0x100082 netio syslogd 58715 45382 1 0 3 0x100080 kqread resolvd 1577 141681 26501 77 3 0x100092 kqread dhcpleased 43816 334423 26501 77 3 0x100092 kqread dhcpleased 26501 482710 1 0 3 0x80 kqread dhcpleased 49900 182009 0 0 3 0x14200 bored smr 66242 153975 0 0 2 0x14200 zerothread 78016 319841 0 0 3 0x14200 aiodoned aiodoned 94112 358399 0 0 3 0x14200 syncer update 7945 5277 0 0 3 0x14200 cleaner cleaner 13956 6704 0 0 3 0x14200 reaper reaper 39278 451672 0 0 3 0x14200 pgdaemon pagedaemon 43247 403614 0 0 3 0x14200 bored viomb 45084 321322 0 0 3 0x40014200 acpi0 acpi0 36698 201840 0 0 7 0x40014200 idle1 54651 227872 0 0 3 0x14200 bored softnet3 54833 428969 0 0 3 0x14200 bored softnet2 96771 329941 0 0 3 0x14200 bored softnet1 99505 305919 0 0 3 0x14200 bored softnet0 20799 315064 0 0 3 0x14200 bored systqmp 10549 283435 0 0 3 0x14200 bored systq 70255 223525 0 0 3 0x14200 tmoslp softclockmp 47862 179153 0 0 2 0x40014200 softclock 89288 194143 0 0 3 0x40014200 idle0 1 469365 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 10612 (syz-executor.5) thread 0xffff80002a171ac0 (301431) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10226 6570K 7633K 166960K 36389 0 pcb 15 24K 28K 166960K 1197 0 rtable 211 14K 16K 166960K 2469 0 pf 32 9K 11K 166960K 439 0 ifaddr 40 16K 18K 166960K 341 0 ifgroup 55 2K 3K 166960K 663 0 sysctl 3 0K 0K 166960K 3 0 counters 64 36K 37K 166960K 400 0 ioctlops 0 0K 4K 166960K 2298 0 iov 0 0K 48K 166960K 1905 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1627 102K 102K 166960K 11834 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 170 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 2329 0 dirhash 12 2K 2K 166960K 138 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 11 37K 89K 166960K 17724 0 sigio 0 0K 0K 166960K 906 0 proc 79 92K 140K 166960K 2388 0 subproc 91 5K 6K 166960K 617 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 981 0 in_multi 77 5K 7K 166960K 710 0 ether_multi 1 0K 0K 166960K 14 0 mrt 1 0K 0K 166960K 13 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 2442 0 pfkey data 0 0K 0K 166960K 37 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 498 583K 593K 166960K 175627 0 UVM aobj 131 4K 6K 166960K 149 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 814 0 NDP 12 0K 1K 166960K 272 0 temp 70 6771K 6868K 166960K 132182 0 kqueue 12 18K 26K 166960K 1239 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 120 805 0 802 11 10 1 3 0 8 0 rtentry 112 701 0 606 4 0 4 4 0 8 0 unpcb 144 13910 0 13895 152 151 1 10 0 8 0 syncache 320 212 0 212 35 35 0 1 0 8 0 sackhl 24 7 0 7 6 6 0 1 0 8 0 tcpqe 32 390 0 390 28 28 0 1 0 8 0 tcpcb 808 6411 0 6396 193 190 3 15 0 8 1 arp 120 167 0 150 1 0 1 1 0 8 0 inpcb 376 15237 0 15197 281 274 7 27 0 8 0 nd6 136 143 0 124 1 0 1 1 0 8 0 pkpcb 40 108 0 108 7 7 0 1 0 8 0 kcovpl 48 47 0 40 1 0 1 1 0 8 0 ppxss 1168 62 0 62 17 17 0 1 0 8 0 pffrag 232 127 0 126 6 5 1 1 0 482 0 pffrnode 88 127 0 126 6 5 1 1 0 8 0 pffrent 40 331 0 330 6 5 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 24 541 0 506 1 0 1 1 0 8 0 pfstkey 128 542 0 507 3 1 2 2 0 8 0 pfstate 376 542 0 507 10 5 5 5 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2518 0 2126 52 23 29 34 0 8 2 art_table 32 2519 0 2126 6 1 5 5 0 8 0 art_node 16 685 0 599 1 0 1 1 0 8 0 semapl 112 2327 0 2317 1 0 1 1 0 8 0 shmpl 112 146 0 18 4 0 4 4 0 8 0 dirhash 1024 101 0 84 3 0 3 3 0 8 0 dino2pl 256 25736 0 24205 97 0 97 97 0 8 0 ffsino 272 25736 0 24205 103 0 103 103 0 8 0 nchpl 144 49813 0 48168 64 0 64 64 0 8 0 uvmvnodes 80 7593 0 0 155 0 155 155 0 8 0 vnodes 216 7593 0 0 422 0 422 422 0 8 0 namei 1024 166156 0 166156 10 9 1 2 0 8 1 percpumem 16 214 0 168 1 0 1 1 0 8 0 vcpupl 2048 181 0 1 23 0 23 23 0 8 0 vmpool 696 198 0 18 18 1 17 17 0 8 0 kstatmem 264 360 0 336 4 1 3 3 0 8 0 scxspl 216 139608 0 139608 43 42 1 8 1 8 1 plimitpl 152 2060 0 2045 1 0 1 1 0 8 0 sigapl 424 18005 0 17936 13 4 9 9 0 8 1 futexpl 64 156606 0 156605 1 0 1 1 0 8 0 knotepl 120 1115 0 0 18 1 17 18 0 8 0 kqueuepl 216 3584 0 3576 78 75 3 8 0 8 2 pipepl 320 3312 0 3287 92 89 3 8 0 8 0 fdescpl 496 17962 0 17938 12 7 5 5 0 8 1 filepl 152 111872 0 111651 207 193 14 23 0 8 2 lockfpl 104 5470 0 5468 10 9 1 2 0 8 0 lockfspl 48 2068 0 2066 1 0 1 1 0 8 0 sessionpl 144 71 0 55 1 0 1 1 0 8 0 pgrppl 48 317 0 301 1 0 1 1 0 8 0 ucredpl 104 18541 0 18527 2 1 1 2 0 8 0 zombiepl 144 17941 0 17936 2 1 1 1 0 8 0 processpl 1136 18005 0 17936 6 0 6 6 0 8 0 procpl 680 49591 0 49503 21 12 9 10 0 8 0 srpgc 96 66 0 66 23 22 1 1 0 8 1 sosppl 168 217 0 217 16 15 1 1 0 8 1 sockpl 584 30084 0 30026 312 304 8 21 0 8 0 mcl64k 65536 48 0 0 4 2 2 3 0 8 0 mcl16k 16384 25 0 0 3 0 3 3 0 8 0 mcl12k 12288 33 0 0 2 0 2 2 0 8 0 mcl9k 9216 14 0 0 1 0 1 1 0 8 0 mcl8k 8192 33 0 0 3 0 3 3 0 8 0 mcl4k 4096 73 0 0 4 1 3 4 0 8 0 mcl2k2 2112 11 0 0 1 0 1 1 0 8 0 mcl2k 2048 493 0 0 36 17 19 35 0 8 0 mtagpl 96 824 0 0 14 0 14 14 0 8 0 mbufpl 256 2076 0 0 88 0 88 88 0 8 0 bufpl 280 32245 0 25924 452 0 452 452 0 8 0 anonpl 24 1789074 0 1776826 191 82 109 118 0 186 0 amapchunkpl 152 552328 0 551509 87 48 39 44 0 158 0 amappl16 200 36597 0 36059 170 139 31 39 0 8 0 amappl15 192 83 0 82 1 0 1 1 0 8 0 amappl14 184 326 0 309 2 1 1 2 0 8 0 amappl13 176 36 0 36 7 7 0 1 0 8 0 amappl12 168 19343 0 19314 4 2 2 3 0 8 0 amappl11 160 83 0 68 1 0 1 1 0 8 0 amappl10 152 107 0 94 1 0 1 1 0 8 0 amappl9 144 334 0 334 37 37 0 1 0 8 0 amappl8 136 772 0 626 6 0 6 6 0 8 0 amappl7 128 359 0 331 2 0 2 2 0 8 0 amappl6 120 973 0 959 1 0 1 1 0 8 0 amappl5 112 494 0 483 1 0 1 1 0 8 0 amappl4 104 917 0 886 2 1 1 2 0 8 0 amappl3 96 108306 0 108229 4 1 3 3 0 8 0 amappl2 88 19240 0 19164 3 1 2 3 0 8 0 amappl1 80 74505 0 73959 24 11 13 23 0 8 0 amappl 88 174239 0 173987 10 2 8 8 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 72 148 0 18 3 0 3 3 0 8 0 uaddrrnd 24 18162 0 17958 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 18162 0 17958 2 0 2 2 0 8 0 vmmpekpl 168 132055 0 131963 5 0 5 5 0 8 0 vmmpepl 168 1073326 0 1070788 508 352 156 156 0 357 22 vmsppl 448 18161 0 17958 26 2 24 24 0 8 0 rwobjpl 56 264618 0 255158 140 6 134 134 0 8 0 pdppl 4096 36331 0 36096 1074 827 247 251 0 8 12 pvpl 32 45786 0 0 371 1 370 370 0 265 0 pmappl 248 18161 0 17958 15 1 14 14 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2073 0 1406 20 0 20 20 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace 0(ffff800000e97000,b,fffffd807b5dd4d8,ffff800034a1b058,0,d) at 0 rtrequest(b,ffff800034a1afc8,83,ffff800034a1b068,0) at rtrequest+0x96a sys/net/route.c:1057 rt_clone(ffff800034a1b0d8,ffff800034a1b148,0) at rt_clone+0x7c sys/net/route.c:337 rtalloc_mpath(ffff800034a1b148,fffffd8066bf7ce4,0) at rtalloc_mpath+0xbd rt_match sys/net/route.c:314 [inline] rtalloc_mpath(ffff800034a1b148,fffffd8066bf7ce4,0) at rtalloc_mpath+0xbd sys/net/route.c:430 in_ouraddr(fffffd8066bf7c00,ffff800000de7000,ffff800034a1b1d0) at in_ouraddr+0xa7 sys/netinet/ip_input.c:777 ip_input_if(ffff800034a1b288,ffff800034a1b294,4,0,ffff800000de7000) at ip_input_if+0x2ac sys/netinet/ip_input.c:446 ipv4_input(ffff800000de7000,fffffd8066bf7c00) at ipv4_input+0x4c sys/netinet/ip_input.c:291 ether_input(ffff800000de7000,fffffd8066bf7c00) at ether_input+0x58a tun_dev_write(5d05,ffff800034a1b5f8,ffff80002e8e5000,2) at tun_dev_write+0x203 sys/net/if_tun.c:914 spec_write(ffff800034a1b450) at spec_write+0xd9 sys/kern/spec_vnops.c:302 VOP_WRITE(fffffd80669be378,ffff800034a1b5f8,11,fffffd807f7d7680) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245 vn_write(fffffd8066a98c80,ffff800034a1b5f8,0) at vn_write+0x15b sys/kern/vfs_vnops.c:408 dofilewritev(ffff80002a171ac0,c8,ffff800034a1b5f8,0,ffff800034a1b6b0) at dofilewritev+0x1a0 sys/kern/sys_generic.c:375 sys_write(ffff80002a171ac0,ffff800034a1b760,ffff800034a1b6b0) at sys_write+0x87 sys/kern/sys_generic.c:295 syscall(ffff800034a1b760) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff800034a1b760) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1f2117cee00, count: -15 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 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800029cebff0) at sched_idle+0x41e sys/kern/kern_sched.c:183 end trace frame: 0x0, count: 10 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 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800029cebff0) at sched_idle+0x41e sys/kern/kern_sched.c:183 end trace frame: 0x0, count: -5