kernel: page fault trap, code=10 Stopped at 0x200021c0: attempt to access user address 0x200021c0 in supervisor mode kernel: page fault trap, code=1 Stopped at db_read_bytes+0xd0: movzbl 0xffffffffffffffff(%r15),%eax TID PID UID PRFLAGS PFLAGS CPU COMMAND *192663 50246 0 0 0x4000000 0 syz-executor.3 db_read_bytes(200021c0,1,ffff800030e35034) at db_read_bytes+0xd0 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(200021c0,1,0) at db_get_value+0x50 sys/ddb/db_access.c:61 db_disasm(200021c0,0) at db_disasm+0x82 db_trap(6,10) at db_trap+0x115 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff800030e352d0) at db_ktrap+0x1ab sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff800030e352d0) at kerntrap+0x130 sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b __kernel_phys_end() at 0x200021c0 rt_match(fffffd806f1b9d38,0,1,0) at rt_match+0xc3 rt_clone sys/net/route.c:351 [inline] rt_match(fffffd806f1b9d38,0,1,0) at rt_match+0xc3 sys/net/route.c:326 in_pcbselsrc(ffff800030e35628,fffffd807d263620,fffffd806f1b9ca8) at in_pcbselsrc+0x1e7 sys/netinet/in_pcb.c:984 in_pcbconnect(fffffd806f1b9ca8,fffffd807d263600) at in_pcbconnect+0xe8 sys/netinet/in_pcb.c:523 tcp_connect(fffffd8062d6cbb8,fffffd807d263600) at tcp_connect+0x29b sys/netinet/tcp_usrreq.c:647 sys_connect(ffff80002a6e12b8,ffff800030e35840,ffff800030e35790) at sys_connect+0x23b sys/kern/uipc_syscalls.c:422 syscall(ffff800030e35840) at syscall+0x538 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff800030e358c0, 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> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic *cpu0: attempt to access user address 0x200021c0 in supervisor mode ddb> trace db_read_bytes(200021c0,1,ffff800030e35034) at db_read_bytes+0xd0 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(200021c0,1,0) at db_get_value+0x50 sys/ddb/db_access.c:61 db_disasm(200021c0,0) at db_disasm+0x82 db_trap(6,10) at db_trap+0x115 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff800030e352d0) at db_ktrap+0x1ab sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff800030e352d0) at kerntrap+0x130 sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b __kernel_phys_end() at 0x200021c0 rt_match(fffffd806f1b9d38,0,1,0) at rt_match+0xc3 rt_clone sys/net/route.c:351 [inline] rt_match(fffffd806f1b9d38,0,1,0) at rt_match+0xc3 sys/net/route.c:326 in_pcbselsrc(ffff800030e35628,fffffd807d263620,fffffd806f1b9ca8) at in_pcbselsrc+0x1e7 sys/netinet/in_pcb.c:984 in_pcbconnect(fffffd806f1b9ca8,fffffd807d263600) at in_pcbconnect+0xe8 sys/netinet/in_pcb.c:523 tcp_connect(fffffd8062d6cbb8,fffffd807d263600) at tcp_connect+0x29b sys/netinet/tcp_usrreq.c:647 sys_connect(ffff80002a6e12b8,ffff800030e35840,ffff800030e35790) at sys_connect+0x23b sys/kern/uipc_syscalls.c:422 syscall(ffff800030e35840) at syscall+0x538 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5a2bead9e50, count: -15 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff800030e35020 rbx 0x1 rdx 0xffff800000e53740 rcx 0x20 rax 0xffff80002a6e12b8 r8 0xffff800030e35150 r9 0x8080808080808080 r10 0xd60099fb77b1bd5c r11 0xed4803671d445c82 r12 0x1 r13 0x1 r14 0xffff800030e35035 r15 0x200021c1 rip 0xffffffff8159f5e0 db_read_bytes+0xd0 cs 0x8 rflags 0x10286 __ALIGN_SIZE+0xf286 rsp 0xffff800030e34fc0 ss 0x10 db_read_bytes+0xd0: movzbl 0xffffffffffffffff(%r15),%eax ddb> show proc PROC (syz-executor.3) tid=192663 pid=50246 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a5d62b0,0xffff80002a6e1020 process=0xffff800035d6c888 user=0xffff800030e30000, vmspace=0xfffffd807326b1a0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 12510 181714 73722 0 2 0 syz-executor.6 50246 326060 8398 0 2 0 syz-executor.3 *50246 192663 8398 0 7 0x4000000 syz-executor.3 43633 120584 81828 0 2 0 syz-executor.2 43633 194557 81828 0 3 0x4000080 fsleep syz-executor.2 55973 453548 69854 0 2 0x8100002 sh 69854 486030 39471 0 3 0x82 wait syz-executor.7 5077 183234 77557 0 2 0 syz-executor.0 5077 90465 77557 0 3 0x4000080 fsleep syz-executor.0 9580 247763 8381 0 2 0 syz-executor.1 9580 139389 8381 0 3 0x4000080 fsleep syz-executor.1 9580 303590 8381 0 3 0x4000080 fsleep syz-executor.1 1332 440134 61303 0 3 0x80 nanoslp syz-executor.5 1332 362588 61303 0 3 0x4000080 fsleep syz-executor.5 1332 36760 61303 0 3 0x4000080 fsleep syz-executor.5 1332 114950 61303 0 3 0x4000080 lockf syz-executor.5 8381 362639 39471 0 3 0x82 nanoslp syz-executor.1 62781 414611 39471 0 2 0x2 syz-executor.4 55260 477431 0 0 3 0x14200 acct acct 61303 250621 39471 0 3 0x82 nanoslp syz-executor.5 77557 126318 39471 0 3 0x82 nanoslp syz-executor.0 73722 103645 39471 0 3 0x82 nanoslp syz-executor.6 8398 248888 39471 0 3 0x82 nanoslp syz-executor.3 81828 293067 39471 0 3 0x82 nanoslp syz-executor.2 91267 271743 1 0 3 0x18100083 ttyopn getty 49367 12347 0 0 3 0x14280 nfsidl nfsio 40028 126772 0 0 3 0x14280 nfsidl nfsio 71956 239453 0 0 3 0x14280 nfsidl nfsio 65832 402724 0 0 3 0x14280 nfsidl nfsio 1226 223756 0 0 3 0x14280 nfsidl nfsio 33255 493104 0 0 3 0x14280 nfsidl nfsio 9027 524283 0 0 3 0x14280 nfsidl nfsio 65270 28950 0 0 3 0x14280 nfsidl nfsio 77012 201234 0 0 3 0x14280 nfsidl nfsio 57918 20666 0 0 3 0x14280 nfsidl nfsio 89388 106757 0 0 3 0x14280 nfsidl nfsio 97315 599 0 0 3 0x14280 nfsidl nfsio 99643 107235 0 0 3 0x14280 nfsidl nfsio 80129 512641 0 0 3 0x14280 nfsidl nfsio 75766 146715 0 0 3 0x14280 nfsidl nfsio 71539 224105 0 0 3 0x14280 nfsidl nfsio 79146 264109 0 0 3 0x14280 nfsidl nfsio 7475 157079 0 0 3 0x14280 nfsidl nfsio 57724 498742 0 0 3 0x14280 nfsidl nfsio 62648 375538 0 0 3 0x14280 nfsidl nfsio 60758 469095 0 0 3 0x14200 bored sosplice 39471 5151 44971 0 3 0x1a000082 wait syz-fuzzer 39471 269163 44971 0 3 0x1e000082 nanoslp syz-fuzzer 39471 187255 44971 0 3 0x1e000082 thrsleep syz-fuzzer 39471 38287 44971 0 3 0x1e000082 wait syz-fuzzer 39471 284864 44971 0 3 0x1e000082 thrsleep syz-fuzzer 39471 411831 44971 0 3 0x1e000082 wait syz-fuzzer 39471 140615 44971 0 3 0x1e000082 wait syz-fuzzer 39471 523762 44971 0 3 0x1e000082 thrsleep syz-fuzzer 39471 166302 44971 0 3 0x1e000082 wait syz-fuzzer 39471 470299 44971 0 3 0x1e000082 wait syz-fuzzer 39471 7944 44971 0 3 0x1e000082 thrsleep syz-fuzzer 39471 509550 44971 0 3 0x1e000082 wait syz-fuzzer 39471 435682 44971 0 3 0x1e000082 kqread syz-fuzzer 39471 151898 44971 0 3 0x1e000082 wait syz-fuzzer 44971 323355 6908 0 3 0x810008a sigsusp ksh 6908 353297 92801 0 3 0x1800009a kqread sshd 92801 134053 1 0 3 0x18000088 kqread sshd 26501 121760 83799 73 3 0x19100090 kqread syslogd 83799 400548 1 0 3 0x18100082 netio syslogd 28100 223329 1 0 3 0x18100080 kqread resolvd 31370 457185 25790 77 3 0x18100092 kqread dhcpleased 26173 368772 25790 77 3 0x18100092 kqread dhcpleased 25790 209810 1 0 3 0x18000080 kqread dhcpleased 32675 501266 0 0 3 0x14200 bored smr 55172 67484 0 0 2 0x14200 zerothread 46731 472904 0 0 3 0x14200 aiodoned aiodoned 8316 265036 0 0 3 0x14200 syncer update 31491 77791 0 0 3 0x14200 cleaner cleaner 23234 505207 0 0 3 0x14200 reaper reaper 90259 83978 0 0 3 0x14200 pgdaemon pagedaemon 92305 233402 0 0 3 0x14200 bored viomb 93443 482475 0 0 3 0x40014200 acpi0 acpi0 66860 102035 0 0 3 0x14200 bored softnet3 60301 462963 0 0 3 0x14200 bored softnet2 81051 36077 0 0 3 0x14200 bored softnet1 20912 29829 0 0 3 0x14200 bored softnet0 54539 361069 0 0 3 0x14200 bored systqmp 12575 523404 0 0 3 0x14200 bored systq 40436 392987 0 0 3 0x40014200 tmoslp softclock 39355 239333 0 0 3 0x40014200 idle0 1 473479 0 0 3 0x8080082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10196 6421K 7386K 166960K 65205 0 pcb 15 20K 22K 166960K 1973 0 rtable 199 10K 12K 166960K 6719 0 pf 29 8K 10K 166960K 770 0 ifaddr 40 14K 16K 166960K 786 0 ifgroup 50 2K 2K 166960K 1203 0 sysctl 4 1K 1K 166960K 10 0 counters 30 17K 18K 166960K 365 0 ioctlops 0 0K 2K 166960K 2096 0 iov 0 0K 34K 166960K 3577 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1614 101K 102K 166960K 16586 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 328 0 VM map 2 1K 1K 166960K 2 0 sem 11 1K 1K 166960K 14 0 dirhash 12 2K 2K 166960K 126 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 17 61K 81K 166960K 24920 0 sigio 0 0K 0K 166960K 801 0 proc 61 59K 83K 166960K 4667 0 subproc 104 6K 6K 166960K 1694 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 1619 0 in_multi 63 4K 7K 166960K 1716 0 ether_multi 1 0K 0K 166960K 11 0 mrt 1 0K 0K 166960K 16 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 169 758K 758K 166960K 169 0 exec 0 0K 1K 166960K 5960 0 pfkey data 0 0K 0K 166960K 30 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 592 865K 866K 166960K 225827 0 UVM aobj 131 6K 6K 166960K 143 0 pinsyscall 23 46K 100K 166960K 5301 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 685 0 NDP 11 0K 1K 166960K 621 0 temp 74 6804K 7440K 166960K 201926 0 kqueue 12 18K 32K 166960K 1806 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 1656 0 1652 7 4 3 3 0 8 2 rtentry 112 2452 0 2364 5 1 4 4 0 8 1 unpcb 144 20010 0 19997 32 23 9 11 0 8 8 syncache 336 236 0 236 5 4 1 1 0 8 1 tcpqe 32 273 0 273 5 4 1 1 0 8 1 tcpcb 808 7869 0 7863 44 35 9 15 0 8 8 arp 88 552 0 530 1 0 1 1 0 8 0 ipq 40 30 0 30 3 2 1 1 0 8 1 ipqe 40 239 0 239 3 2 1 1 0 8 1 inpcb 360 20060 0 20051 115 106 9 20 0 8 8 nd6 104 416 0 403 1 0 1 1 0 8 0 pkpcb 40 186 0 186 4 3 1 1 0 8 1 kcovpl 48 130 0 122 1 0 1 1 0 8 0 ppxss 1072 131 0 131 4 3 1 1 0 8 1 art_heap8 4096 5 0 4 2 0 2 2 0 8 1 art_heap4 256 8148 0 7772 69 39 30 30 0 8 5 art_table 32 8153 0 7776 4 0 4 4 0 8 0 art_node 16 2357 0 2276 1 0 1 1 0 8 0 sysvmsgpl 40 25 0 16 1 0 1 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 9 0 0 1 0 1 1 0 8 0 shmpl 112 140 0 12 4 0 4 4 0 8 0 dirhash 1024 93 0 76 3 0 3 3 0 8 0 dino2pl 256 31768 0 30133 103 0 103 103 0 8 0 ffsino 240 31768 0 30133 97 0 97 97 0 8 0 nchpl 144 64657 0 62936 66 0 66 66 0 8 0 uvmvnodes 80 8140 0 0 167 0 167 167 0 8 0 vnodes 216 8140 0 0 453 0 453 453 0 8 0 namei 1024 246103 0 246103 6 4 2 2 0 8 2 vcpupl 2048 234 0 1 30 0 30 30 0 8 0 vmpool 664 294 0 61 21 1 20 20 0 8 0 kstatmem 264 692 0 670 3 0 3 3 0 8 1 scxspl 216 222243 0 222243 18 14 4 8 1 8 4 plimitpl 152 2812 0 2797 1 0 1 1 0 8 0 sigapl 424 25119 0 25053 10 2 8 8 0 8 0 futexpl 64 227726 0 227720 1 0 1 1 0 8 0 knotepl 120 236077 0 235993 45 34 11 18 0 8 8 kqueuepl 184 4927 0 4919 24 17 7 7 0 8 6 pipepl 288 4481 0 4453 29 22 7 12 0 8 4 fdescpl 432 24934 0 24906 4 0 4 4 0 8 0 filepl 120 158866 0 158627 47 31 16 17 0 8 7 lockfpl 104 7641 0 7637 5 3 2 2 0 8 1 lockfspl 48 2635 0 2632 1 0 1 1 0 8 0 sessionpl 144 146 0 130 1 0 1 1 0 8 0 pgrppl 48 618 0 602 1 0 1 1 0 8 0 ucredpl 104 30034 0 30017 1 0 1 1 0 8 0 zombiepl 144 25053 0 25053 3 2 1 1 0 8 1 processpl 1072 25119 0 25053 6 1 5 5 0 8 0 procpl 680 60486 0 60399 14 4 10 10 0 8 1 sosppl 168 243 0 243 2 1 1 1 0 8 1 sockpl 488 41954 0 41928 698 687 11 46 0 8 7 mcl64k 65536 1077 0 1077 5 4 1 1 0 8 1 mcl16k 16384 578 0 578 5 4 1 1 0 8 1 mcl12k 12288 873 0 873 5 4 1 1 0 8 1 mcl9k 9216 568 0 568 5 4 1 1 0 8 1 mcl8k 8192 1921 0 1921 6 4 2 2 0 8 2 mcl4k 4096 2485 0 2485 9 7 2 3 0 8 2 mcl2k2 2112 181 0 181 5 4 1 1 0 8 1 mcl2k 2048 132314 0 132259 83 68 15 32 0 8 6 mtagpl 96 6918 0 6617 29 15 14 17 0 8 2 mbufpl 256 446998 0 446602 598 552 46 91 0 8 8 bufpl 280 50418 0 42281 582 0 582 582 0 8 0 anonpl 24 2338704 0 2325186 220 89 131 162 0 188 18 amapchunkpl 152 727866 0 727029 99 47 52 66 0 158 12 amappl16 200 43752 0 43258 105 67 38 52 0 8 8 amappl15 192 152 0 151 1 0 1 1 0 8 0 amappl14 184 520 0 508 2 1 1 2 0 8 0 amappl13 176 37 0 36 2 1 1 1 0 8 0 amappl12 168 27390 0 27356 2 0 2 2 0 8 0 amappl11 160 50 0 40 1 0 1 1 0 8 0 amappl10 152 163 0 151 1 0 1 1 0 8 0 amappl9 144 307 0 306 1 0 1 1 0 8 0 amappl8 136 996 0 844 6 0 6 6 0 8 0 amappl7 128 152 0 137 1 0 1 1 0 8 0 amappl6 120 2034 0 2008 2 0 2 2 0 8 0 amappl5 112 1126 0 1114 1 0 1 1 0 8 0 amappl4 104 1598 0 1559 2 0 2 2 0 8 0 amappl3 96 139938 0 139861 3 0 3 3 0 8 0 amappl2 88 26700 0 26623 4 2 2 4 0 8 0 amappl1 80 104653 0 104148 22 10 12 22 0 8 0 amappl 88 223732 0 223437 8 0 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 72 142 0 12 3 0 3 3 0 8 0 uaddrrnd 24 25228 0 24967 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 25228 0 24967 2 0 2 2 0 8 0 vmmpekpl 168 167557 0 167468 5 0 5 5 0 8 0 vmmpepl 168 1504477 0 1501857 236 71 165 165 0 357 24 vmsppl 352 25227 0 24967 24 0 24 24 0 8 0 rwobjpl 24 337171 0 327234 62 0 62 62 0 8 0 pdppl 4096 50462 0 50167 1488 1193 295 297 0 8 0 pvpl 32 6811935 0 6792546 581 346 235 359 0 265 38 pmappl 216 25227 0 24967 15 0 15 15 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2599 0 1942 21 0 21 21 0 8 1 ddb> machine ddbcpu 0 No such command ddb> trace db_read_bytes(200021c0,1,ffff800030e35034) at db_read_bytes+0xd0 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(200021c0,1,0) at db_get_value+0x50 sys/ddb/db_access.c:61 db_disasm(200021c0,0) at db_disasm+0x82 db_trap(6,10) at db_trap+0x115 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff800030e352d0) at db_ktrap+0x1ab sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff800030e352d0) at kerntrap+0x130 sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b __kernel_phys_end() at 0x200021c0 rt_match(fffffd806f1b9d38,0,1,0) at rt_match+0xc3 rt_clone sys/net/route.c:351 [inline] rt_match(fffffd806f1b9d38,0,1,0) at rt_match+0xc3 sys/net/route.c:326 in_pcbselsrc(ffff800030e35628,fffffd807d263620,fffffd806f1b9ca8) at in_pcbselsrc+0x1e7 sys/netinet/in_pcb.c:984 in_pcbconnect(fffffd806f1b9ca8,fffffd807d263600) at in_pcbconnect+0xe8 sys/netinet/in_pcb.c:523 tcp_connect(fffffd8062d6cbb8,fffffd807d263600) at tcp_connect+0x29b sys/netinet/tcp_usrreq.c:647 sys_connect(ffff80002a6e12b8,ffff800030e35840,ffff800030e35790) at sys_connect+0x23b sys/kern/uipc_syscalls.c:422 syscall(ffff800030e35840) at syscall+0x538 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5a2bead9e50, count: -15 ddb> machine ddbcpu 1 No such command ddb> trace db_read_bytes(200021c0,1,ffff800030e35034) at db_read_bytes+0xd0 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(200021c0,1,0) at db_get_value+0x50 sys/ddb/db_access.c:61 db_disasm(200021c0,0) at db_disasm+0x82 db_trap(6,10) at db_trap+0x115 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff800030e352d0) at db_ktrap+0x1ab sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff800030e352d0) at kerntrap+0x130 sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b __kernel_phys_end() at 0x200021c0 rt_match(fffffd806f1b9d38,0,1,0) at rt_match+0xc3 rt_clone sys/net/route.c:351 [inline] rt_match(fffffd806f1b9d38,0,1,0) at rt_match+0xc3 sys/net/route.c:326 in_pcbselsrc(ffff800030e35628,fffffd807d263620,fffffd806f1b9ca8) at in_pcbselsrc+0x1e7 sys/netinet/in_pcb.c:984 in_pcbconnect(fffffd806f1b9ca8,fffffd807d263600) at in_pcbconnect+0xe8 sys/netinet/in_pcb.c:523 tcp_connect(fffffd8062d6cbb8,fffffd807d263600) at tcp_connect+0x29b sys/netinet/tcp_usrreq.c:647 sys_connect(ffff80002a6e12b8,ffff800030e35840,ffff800030e35790) at sys_connect+0x23b sys/kern/uipc_syscalls.c:422 syscall(ffff800030e35840) at syscall+0x538 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5a2bead9e50, count: -15