uvm_fault(0xffffffff838c9688, 0xffff8000014f404a, 0, 1) -> e kernel: page fault trap, code=0 Stopped at arp_rtrequest+0x66f: movzwl 0xc(%r15,%rbx,1),%ecx TID PID UID PRFLAGS PFLAGS CPU COMMAND *170161 76533 0 0 0x4000000 0 syz-executor 424263 30899 0 0x2 0 1 syz-executor arp_rtrequest(ffff800000039058,1,fffffd806bc66700) at arp_rtrequest+0x66f arprequest sys/netinet/if_ether.c:281 [inline] arp_rtrequest(ffff800000039058,1,fffffd806bc66700) at arp_rtrequest+0x66f sys/netinet/if_ether.c:184 rtrequest(1,ffff80003c41b8d0,0,ffff80003c41b850,0) at rtrequest+0xc5c sys/net/route.c:1117 rtm_output(ffff8000014e7e00,ffff80003c41b978,ffff80003c41b8d0,0,0) at rtm_output+0x876 sys/net/rtsock.c:973 route_output(fffffd806cc41300,ffff8000014d7cb8) at route_output+0x9a1 sys/net/rtsock.c:878 route_send(ffff8000014d7cb8,fffffd806cc41300,0,0) at route_send+0xd7 sys/net/rtsock.c:342 sosend(ffff8000014d7cb8,0,ffff80003c41bb18,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff80003c4427e8,3,ffff80003c41bc10,808,ffff80003c41bcc0) at sendit+0x721 sys/kern/uipc_syscalls.c:779 sys_sendto(ffff80003c4427e8,ffff80003c41bd70,ffff80003c41bcc0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:557 syscall(ffff80003c41bd70) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c41bd70) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa917c59e920, count: 5 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(0xffffffff838c9688, 0xffff8000014f404a, 0, 1) -> e ddb{0}> trace arp_rtrequest(ffff800000039058,1,fffffd806bc66700) at arp_rtrequest+0x66f arprequest sys/netinet/if_ether.c:281 [inline] arp_rtrequest(ffff800000039058,1,fffffd806bc66700) at arp_rtrequest+0x66f sys/netinet/if_ether.c:184 rtrequest(1,ffff80003c41b8d0,0,ffff80003c41b850,0) at rtrequest+0xc5c sys/net/route.c:1117 rtm_output(ffff8000014e7e00,ffff80003c41b978,ffff80003c41b8d0,0,0) at rtm_output+0x876 sys/net/rtsock.c:973 route_output(fffffd806cc41300,ffff8000014d7cb8) at route_output+0x9a1 sys/net/rtsock.c:878 route_send(ffff8000014d7cb8,fffffd806cc41300,0,0) at route_send+0xd7 sys/net/rtsock.c:342 sosend(ffff8000014d7cb8,0,ffff80003c41bb18,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff80003c4427e8,3,ffff80003c41bc10,808,ffff80003c41bcc0) at sendit+0x721 sys/kern/uipc_syscalls.c:779 sys_sendto(ffff80003c4427e8,ffff80003c41bd70,ffff80003c41bcc0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:557 syscall(ffff80003c41bd70) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c41bd70) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa917c59e920, count: -10 ddb{0}> show registers rdi 0x20 rsi 0x90 rbp 0xffff80003c41b720 rbx 0xde rdx 0 rcx 0x100040600080100 rax 0xfffffd805c7d95e0 r8 0x10 r9 0xfffffd806bc66700 r10 0x3966dff32f9142e7 r11 0xf06541b0b3395b0d r12 0x3e r13 0xfffffd805c7d9500 r14 0xfffffd806bc66700 r15 0xffff8000014f3f60 rip 0xffffffff820c31cf arp_rtrequest+0x66f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c41b6a0 ss 0x10 arp_rtrequest+0x66f: movzwl 0xc(%r15,%rbx,1),%ecx ddb{0}> show proc PROC (syz-executor) tid=170161 pid=76533 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c443228,0xffff800037ff1c68 process=0xffff80003c41e6e0 user=0xffff80003c416000, vmspace=0xfffffd806c23e1f8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 76533 7238 99879 0 3 0x80 fsleep syz-executor *76533 170161 99879 0 7 0x4000000 syz-executor 76533 71488 99879 0 2 0x4000000 syz-executor 99682 2524 23087 0 3 0x80 fsleep syz-executor 99682 361014 23087 0 2 0x4000000 syz-executor 63451 126199 30899 0 3 0x80 fsleep syz-executor 63451 323772 30899 0 3 0x4000080 msgwait syz-executor 37880 388185 29146 0 3 0x80 fsleep syz-executor 37880 302940 29146 0 3 0x4000080 fifow syz-executor 20305 299486 64703 0 3 0x80 fsleep syz-executor 20305 480650 64703 0 3 0x4000080 sbwait syz-executor 21983 287263 24233 0 3 0x80 fsleep syz-executor 21983 102914 24233 0 3 0x4000080 msgwait syz-executor 29146 203529 48261 0 2 0xc82 syz-executor 81021 161741 0 0 3 0x14280 nfsidl nfsio 46065 76619 0 0 3 0x14280 nfsidl nfsio 63351 301727 0 0 3 0x14280 nfsidl nfsio 20918 502816 0 0 3 0x14280 nfsidl nfsio 8603 133155 0 0 3 0x14280 nfsidl nfsio 34562 343593 0 0 3 0x14280 nfsidl nfsio 79428 100627 0 0 3 0x14280 nfsidl nfsio 21056 392296 0 0 3 0x14280 nfsidl nfsio 88325 157859 0 0 3 0x14280 nfsidl nfsio 2727 523828 0 0 3 0x14280 nfsidl nfsio 53056 295649 0 0 3 0x14280 nfsidl nfsio 8165 478830 0 0 3 0x14280 nfsidl nfsio 4359 245931 0 0 3 0x14280 nfsidl nfsio 92365 149380 0 0 3 0x14280 nfsidl nfsio 22879 68575 0 0 3 0x14280 nfsidl nfsio 28879 21319 0 0 3 0x14280 nfsidl nfsio 34165 318478 0 0 3 0x14280 nfsidl nfsio 3593 429627 0 0 3 0x14280 nfsidl nfsio 24791 379523 0 0 3 0x14280 nfsidl nfsio 91427 122777 0 0 3 0x14280 nfsidl nfsio 6376 434465 0 0 3 0x14200 acct acct 19835 333148 0 0 3 0x14200 bored sosplice 30899 424263 48261 0 7 0x2 syz-executor 36026 328604 48261 0 2 0x2 syz-executor 64703 247770 48261 0 3 0x82 nanoslp syz-executor 19556 299718 48261 0 3 0x82 wait syz-executor 99879 246373 48261 0 2 0xc82 syz-executor 23087 338559 48261 0 2 0xc82 syz-executor 24233 313134 48261 0 3 0x82 nanoslp syz-executor 48261 34279 47701 0 3 0x2 netlock syz-executor 47701 175792 48914 0 3 0x10008a sigsusp ksh 48914 284050 57989 0 3 0x98 kqread sshd-session 57989 488844 35611 0 3 0x92 kqread sshd-session 24618 239164 1 0 3 0x100083 ttyin getty 35611 341969 1 0 3 0x88 kqread sshd 36388 430295 25690 74 3 0x1100092 bpf pflogd 25690 197880 1 0 3 0x80 sbwait pflogd 90150 205403 81025 73 3 0x1100090 kqread syslogd 81025 355849 1 0 3 0x100082 sbwait syslogd 11401 85373 1 0 3 0x100080 kqread resolvd 89995 323494 31053 77 3 0x100092 kqread dhcpleased 40161 331841 31053 77 3 0x100092 kqread dhcpleased 31053 211025 1 0 3 0x80 kqread dhcpleased 88029 131495 0 0 3 0x14200 bored smr 95270 61271 0 0 2 0x14200 zerothread 92139 402549 0 0 3 0x14200 aiodoned aiodoned 73361 128644 0 0 3 0x14200 syncer update 98253 362560 0 0 3 0x14200 cleaner cleaner 83984 457142 0 0 3 0x14200 reaper reaper 73954 502283 0 0 3 0x14200 pgdaemon pagedaemon 8348 154716 0 0 3 0x14200 bored viomb 28290 507067 0 0 3 0x40014200 acpi0 acpi0 67924 95024 0 0 3 0x40014200 idle1 71718 418961 0 0 3 0x14200 bored softnet3 65931 442228 0 0 3 0x14200 bored softnet2 61820 137685 0 0 3 0x14200 bored softnet1 82626 289421 0 0 3 0x14200 bored softnet0 63916 99522 0 0 3 0x14200 bored systqmp 84196 457573 0 0 3 0x14200 bored systq 2694 234967 0 0 3 0x14200 tmoslp softclockmp 51678 174622 0 0 2 0x40014200 softclock 28453 311582 0 0 3 0x40014200 idle0 1 414718 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 76533 (syz-executor) thread 0xffff80003c4427e8 (170161) exclusive rwlock netlock r = 0 (0xffffffff8380fcc0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 rtm_output+0x78c sys/net/rtsock.c:969 #3 route_output+0x9a1 sys/net/rtsock.c:878 #4 route_send+0xd7 sys/net/rtsock.c:342 #5 sosend+0x804 sys/kern/uipc_socket.c:-1 #6 sendit+0x721 sys/kern/uipc_syscalls.c:779 #7 sys_sendto+0x8d sys/kern/uipc_syscalls.c:557 #8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #9 Xsyscall+0x128 exclusive rwlock sbufsnd r = 0 (0xffff8000014d7e90) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 sblock+0xb7 sys/kern/uipc_socket2.c:536 #3 sosend+0x2e2 sys/kern/uipc_socket.c:630 #4 sendit+0x721 sys/kern/uipc_syscalls.c:779 #5 sys_sendto+0x8d sys/kern/uipc_syscalls.c:557 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #7 Xsyscall+0x128 Process 36026 (syz-executor) thread 0xffff8000ffffd9a8 (328604) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83981930) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 vn_statfile+0x40 sys/kern/vfs_vnops.c:433 #2 sys_fstat+0xcf sys/kern/kern_descrip.c:791 #3 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #4 Xsyscall+0x128 Process 48261 (syz-executor) thread 0xffff80002a2ba7c8 (34279) exclusive rwlock sbufsnd r = 0 (0xffff800010fd6d48) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 sblock+0xb7 sys/kern/uipc_socket2.c:536 #3 sosend+0x2e2 sys/kern/uipc_socket.c:630 #4 dofilewritev+0x23c sys/kern/sys_generic.c:380 #5 sys_write+0xa2 sys/kern/sys_generic.c:300 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10206 11032K 11623K 166960K 13228 0 pcb 17 16K 17K 166960K 299 0 rtable 234 8K 8K 166960K 472 0 pf 39 18K 82K 166960K 271 0 ifaddr 45 8K 8K 166960K 76 0 ifgroup 60 2K 2K 166960K 121 0 sysctl 4 1K 9K 166960K 44 0 counters 70 37K 37K 166960K 122 0 ioctlops 0 0K 4K 166960K 1674 0 iov 0 0K 24K 166960K 48 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1499 94K 94K 166960K 2526 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 9K 166960K 17 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 105 0 dirhash 12 2K 2K 166960K 45 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 93K 166960K 918 0 sigio 0 0K 0K 166960K 11 0 proc 72 91K 128K 166960K 632 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 66 0 in_multi 98 7K 7K 166960K 131 0 ether_multi 1 0K 0K 166960K 2 0 mrt 1 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 415 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 244 153K 167K 166960K 9882 0 UVM aobj 30 2K 2K 166960K 31 0 pinsyscall 42 84K 106K 166960K 2032 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 57 0 NDP 13 0K 2K 166960K 50 0 temp 62 8691K 8815K 166960K 60237 0 kqueue 16 26K 28K 166960K 154 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 74 0 70 1 0 1 1 0 8 0 rtentry 176 145 0 39 6 0 6 6 0 8 0 unpcb 144 521 0 496 4 3 1 4 0 8 0 syncache 336 5 0 5 3 3 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 178 0 170 2 1 1 2 0 8 0 arp 128 24 0 3 1 0 1 1 0 8 0 inpcb 328 986 0 971 7 2 5 7 0 8 3 nd6 144 31 0 5 1 0 1 1 0 8 0 pkpcb 40 8 0 8 3 2 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1192 16 0 16 2 1 1 1 0 8 1 pppxif 1504 5 0 5 2 1 1 1 0 8 1 pffrag 232 8 0 2 1 0 1 1 0 482 0 pffrnode 88 7 0 2 1 0 1 1 0 8 0 pffrent 40 77 0 69 1 0 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 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 68 0 22 1 0 1 1 0 8 0 pfstkey 128 68 0 22 2 0 2 2 0 8 0 pfstate 384 68 0 22 5 0 5 5 0 8 0 pfrule 1344 60 0 53 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 584 0 121 32 2 30 30 0 8 1 art_table 32 586 0 121 4 0 4 4 0 8 0 art_node 16 139 0 48 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 8 1 0 1 1 0 8 1 semapl 112 101 0 91 1 0 1 1 0 8 0 shmpl 112 28 0 1 1 0 1 1 0 8 0 dirhash 1024 39 0 22 3 0 3 3 0 8 0 dino2pl 256 2987 0 1475 96 0 96 96 0 8 0 ffsino 288 2987 0 1475 109 0 109 109 0 8 0 nchpl 144 4224 0 2534 64 0 64 64 0 8 0 rtmask 32 3 0 3 2 2 0 1 0 8 0 uvmvnodes 80 3926 0 0 81 0 81 81 0 8 0 vnodes 216 3926 0 0 219 0 219 219 0 8 0 namei 1024 15012 0 15012 1 0 1 1 0 8 1 percpumem 16 76 0 26 1 0 1 1 0 8 0 kstatmem 264 64 0 36 4 1 3 3 0 8 0 scsiplug 72 3 0 3 1 0 1 1 0 8 1 scxspl 216 15214 0 15214 10 9 1 8 1 8 1 plimitpl 152 231 0 214 1 0 1 1 0 8 0 sigapl 424 1238 0 1167 10 1 9 9 0 8 0 knotepl 120 569 0 0 17 0 17 17 0 8 0 kqueuepl 224 236 0 223 2 1 1 2 0 8 0 pipepl 336 165 0 138 3 0 3 3 0 8 0 fdescpl 520 1198 0 1167 3 0 3 3 0 8 0 filepl 160 7237 0 7006 16 3 13 16 0 8 2 lockfpl 104 219 0 217 1 0 1 1 0 8 0 lockfspl 48 99 0 97 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 49 0 32 1 0 1 1 0 8 0 ucredpl 104 1048 0 1035 1 0 1 1 0 8 0 zombiepl 144 1168 0 1167 1 0 1 1 0 8 0 processpl 1240 1238 0 1167 6 0 6 6 0 8 0 procpl 656 2497 0 2419 8 0 8 8 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sosppl 168 4 0 4 2 2 0 1 0 8 0 sockpl 728 1599 0 1555 10 3 7 10 0 8 2 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 119 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 38 0 0 5 0 5 5 0 8 0 mtagpl 96 140 0 0 4 0 4 4 0 8 0 mbufpl 256 345 0 0 22 0 22 22 0 8 0 bufpl 280 5875 0 129 411 0 411 411 0 8 0 anonpl 32 15380 0 0 126 2 124 124 0 246 0 amapchunkpl 152 32508 0 31861 41 6 35 35 0 158 7 amappl16 200 4860 0 4481 45 12 33 33 0 8 0 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 117 0 105 1 0 1 1 0 8 0 amappl13 176 6 0 6 2 2 0 1 0 8 0 amappl12 168 1852 0 1821 3 1 2 2 0 8 0 amappl11 160 49 0 35 1 0 1 1 0 8 0 amappl10 152 32 0 32 1 1 0 1 0 8 0 amappl9 144 253 0 253 1 1 0 1 0 8 0 amappl8 136 54 0 51 1 0 1 1 0 8 0 amappl7 128 128 0 115 1 0 1 1 0 8 0 amappl6 120 196 0 192 1 0 1 1 0 8 0 amappl5 112 130 0 120 1 0 1 1 0 8 0 amappl4 104 324 0 303 1 0 1 1 0 8 0 amappl3 96 6382 0 6269 4 0 4 4 0 8 0 amappl2 88 662 0 600 2 0 2 2 0 8 0 amappl1 80 11854 0 11257 15 1 14 15 0 8 0 amappl 88 9060 0 8888 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 128 256 0 256 2 1 1 1 0 8 1 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 30 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1198 0 1167 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1198 0 1167 1 0 1 1 0 8 0 vmmpekpl 168 10684 0 10639 3 0 3 3 0 8 0 vmmpepl 168 81401 0 79059 120 4 116 116 0 357 1 vmsppl 480 1197 0 1167 6 2 4 5 0 8 0 rwobjpl 72 27467 0 22225 97 0 97 97 0 8 0 pdppl 4096 2403 0 2334 99 28 71 85 0 8 2 pvpl 32 21435 0 0 176 3 173 173 0 265 0 pmappl 256 1197 0 1167 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 400 0 36 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace arp_rtrequest(ffff800000039058,1,fffffd806bc66700) at arp_rtrequest+0x66f arprequest sys/netinet/if_ether.c:281 [inline] arp_rtrequest(ffff800000039058,1,fffffd806bc66700) at arp_rtrequest+0x66f sys/netinet/if_ether.c:184 rtrequest(1,ffff80003c41b8d0,0,ffff80003c41b850,0) at rtrequest+0xc5c sys/net/route.c:1117 rtm_output(ffff8000014e7e00,ffff80003c41b978,ffff80003c41b8d0,0,0) at rtm_output+0x876 sys/net/rtsock.c:973 route_output(fffffd806cc41300,ffff8000014d7cb8) at route_output+0x9a1 sys/net/rtsock.c:878 route_send(ffff8000014d7cb8,fffffd806cc41300,0,0) at route_send+0xd7 sys/net/rtsock.c:342 sosend(ffff8000014d7cb8,0,ffff80003c41bb18,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff80003c4427e8,3,ffff80003c41bc10,808,ffff80003c41bcc0) at sendit+0x721 sys/kern/uipc_syscalls.c:779 sys_sendto(ffff80003c4427e8,ffff80003c41bd70,ffff80003c41bcc0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:557 syscall(ffff80003c41bd70) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c41bd70) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa917c59e920, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299ddff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x1a __mp_lock(ffffffff83981728) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83981728) at __mp_lock+0x199 sys/kern/kern_lock.c:165 syscall(ffff80002a3d7270) at syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3d7270) at syscall+0xae6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70cf897747f0, count: 8 ddb{1}> trace x86_ipi_db(ffff8000299ddff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x1a __mp_lock(ffffffff83981728) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83981728) at __mp_lock+0x199 sys/kern/kern_lock.c:165 syscall(ffff80002a3d7270) at syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3d7270) at syscall+0xae6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70cf897747f0, count: -7