uvm_fault(0xfffffd806c9337c0, 0x340, 0, 1) -> e kernel: page fault trap, code=0 Stopped at vm_terminate+0xb0: movq 0x340(%r12),%rbx TID PID UID PRFLAGS PFLAGS CPU COMMAND *267707 11597 0 0 0x4000000 1 syz-executor vm_terminate(ffff8000383faea0) at vm_terminate+0xb0 sys/dev/vmm/vmm.c:728 vmmioctl(a00,80045604,ffff8000383faea0,3,ffff8000323e22c0) at vmmioctl+0x35b sys/dev/vmm/vmm.c:254 VOP_IOCTL(fffffd806eae9bd8,80045604,ffff8000383faea0,3,fffffd80097fd618,ffff8000323e22c0) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806c98aea0,80045604,ffff8000383faea0,ffff8000323e22c0) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000323e22c0,ffff8000383fb080,ffff8000383fafd0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff8000383fb080) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000383fb080) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd8f036317f0, count: 8 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(0xfffffd806c9337c0, 0x340, 0, 1) -> e ddb{1}> trace vm_terminate(ffff8000383faea0) at vm_terminate+0xb0 sys/dev/vmm/vmm.c:728 vmmioctl(a00,80045604,ffff8000383faea0,3,ffff8000323e22c0) at vmmioctl+0x35b sys/dev/vmm/vmm.c:254 VOP_IOCTL(fffffd806eae9bd8,80045604,ffff8000383faea0,3,fffffd80097fd618,ffff8000323e22c0) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806c98aea0,80045604,ffff8000383faea0,ffff8000323e22c0) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000323e22c0,ffff8000383fb080,ffff8000383fafd0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff8000383fb080) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000383fb080) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd8f036317f0, count: -7 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff8000383fac50 rbx 0 rdx 0 rcx 0xffff8000323e22c0 rax 0xffff8000299edff0 r8 0xffff8000323e22c0 r9 0xffff8000323e22c0 r10 0x3f681a8ac89eac61 r11 0xbb4026c34c6f825f r12 0 r13 0xffff8000383faea0 r14 0xffff80002a3749d8 r15 0xffff800000afc800 rip 0xffffffff82d94540 vm_terminate+0xb0 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000383fac00 ss 0x10 vm_terminate+0xb0: movq 0x340(%r12),%rbx ddb{1}> show proc PROC (syz-executor) tid=267707 pid=11597 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000323e34e8,0xffffffff839813d8 process=0xffff80003c471838 user=0xffff8000383f6000, vmspace=0xfffffd806c9337c0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 11597 385332 2262 0 3 0x80 fsleep syz-executor 11597 409193 2262 0 3 0x4000000 vm_terminate syz-executor *11597 267707 2262 0 7 0x4000000 syz-executor 47058 257850 98361 0 3 0x80 fsleep syz-executor 47058 250063 98361 0 3 0x4000080 fifow syz-executor 18031 381331 2882 0 3 0x80 fsleep syz-executor 18031 157008 2882 0 3 0x4000080 kqread syz-executor 49971 373072 59981 0 3 0x80 fsleep syz-executor 49971 118611 59981 0 3 0x4000080 ttyout syz-executor 69719 32962 39947 0 3 0x80 fsleep syz-executor 69719 146260 39947 0 3 0x4000080 kqread syz-executor 92647 336034 1786 0 3 0x80 fsleep syz-executor 92647 110031 1786 0 3 0x4000080 kqsel syz-executor 92647 424956 1786 0 3 0x4000080 fsleep syz-executor 12459 425639 27655 0 3 0x80 fsleep syz-executor 12459 426274 27655 0 3 0x4000080 kqsel syz-executor 60820 83057 48281 0 3 0x82 wait syz-executor 20060 71052 0 0 3 0x14200 acct acct 27655 105367 48281 0 3 0x82 nanoslp syz-executor 59981 28272 48281 0 3 0x82 nanoslp syz-executor 1786 491779 48281 0 3 0x82 nanoslp syz-executor 2262 371569 48281 0 3 0x82 nanoslp syz-executor 39947 140442 48281 0 3 0x82 nanoslp syz-executor 2882 352665 48281 0 3 0x82 nanoslp syz-executor 98361 455284 48281 0 3 0x82 nanoslp syz-executor 48281 429496 79554 0 3 0x82 kqread syz-executor 79554 241889 47561 0 3 0x10008a sigsusp ksh 47561 388561 91605 0 3 0x98 kqread sshd-session 91605 80148 87008 0 3 0x92 kqread sshd-session 49758 114846 1 0 3 0x100083 ttyopn getty 87008 102916 1 0 3 0x88 kqread sshd 43466 86313 86323 74 3 0x1100092 bpf pflogd 86323 143749 1 0 3 0x80 sbwait pflogd 85472 337501 93547 73 3 0x1100090 kqread syslogd 93547 145500 1 0 3 0x100082 sbwait syslogd 47981 199777 1 0 3 0x100080 kqread resolvd 21270 452358 2043 77 3 0x100092 kqread dhcpleased 49730 55120 2043 77 3 0x100092 kqread dhcpleased 2043 9951 1 0 3 0x80 kqread dhcpleased 48234 486614 0 0 3 0x14200 bored smr 13694 350302 0 0 3 0x14200 pgzero zerothread 53681 399919 0 0 3 0x14200 aiodoned aiodoned 82803 452590 0 0 3 0x14200 syncer update 44572 356596 0 0 3 0x14200 cleaner cleaner 76229 512269 0 0 3 0x14200 reaper reaper 96371 212164 0 0 3 0x14200 pgdaemon pagedaemon 40572 39065 0 0 3 0x14200 bored viomb 15715 94412 0 0 3 0x40014200 acpi0 acpi0 37603 38250 0 0 3 0x40014200 idle1 56289 311410 0 0 3 0x14200 bored softnet1 8443 36709 0 0 3 0x14200 bored softnet0 9073 474681 0 0 3 0x14200 bored systqmp 72614 155373 0 0 3 0x14200 bored systq 75263 293080 0 0 3 0x14200 tmoslp softclockmp 81116 38301 0 0 3 0x40014200 tmoslp softclock 65083 496799 0 0 7 0x40014200 idle0 1 28621 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &sched_lock r = 0 (0xffffffff83a016a8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 sleep_finish+0x1d6 sys/kern/kern_synch.c:355 #4 refcnt_finalize+0xdb sys/kern/kern_synch.c:955 #5 vm_terminate+0x16d sys/dev/vmm/vmm.c:739 #6 vmmioctl+0x35b sys/dev/vmm/vmm.c:254 #7 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #8 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #9 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #11 Xsyscall+0x128 Process 11597 (syz-executor) thread 0xffff8000323e22c0 (267707) exclusive rwlock vm_list r = 0 (0xffff800000afc8e0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_terminate+0x88 sys/dev/vmm/vmm.c:728 #3 vmmioctl+0x35b sys/dev/vmm/vmm.c:254 #4 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #5 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #6 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #7 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #7 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #8 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10247 11185K 11606K 166960K 16015 0 pcb 17 16K 21K 166960K 775 0 rtable 213 12K 13K 166960K 1044 0 pf 40 18K 83K 166960K 425 0 ifaddr 34 6K 8K 166960K 198 0 ifgroup 60 2K 3K 166960K 344 0 sysctl 3 1K 9K 166960K 159 0 counters 70 37K 38K 166960K 376 0 ioctlops 0 0K 4K 166960K 2032 0 iov 0 0K 36K 166960K 176 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1428 90K 91K 166960K 4066 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 2K 10K 166960K 40 0 VM map 2 1K 1K 166960K 2 0 sem 21 16K 17K 166960K 154 0 dirhash 12 2K 2K 166960K 36 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 240K 166960K 2724 0 sigio 0 0K 0K 166960K 79 0 proc 74 115K 164K 166960K 1021 0 subproc 72 4K 4K 166960K 162 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 472 0 in_multi 62 4K 7K 166960K 298 0 ether_multi 1 0K 0K 166960K 30 0 mrt 1 0K 0K 166960K 28 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 247 1102K 1102K 166960K 247 0 exec 0 0K 1K 166960K 982 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 6 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 253 176K 198K 166960K 25703 0 UVM aobj 83 25K 25K 166960K 96 0 pinsyscall 43 86K 104K 166960K 4084 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 137 0 NDP 13 0K 2K 166960K 147 0 temp 83 8680K 8826K 166960K 124509 0 kqueue 15 24K 32K 166960K 474 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 377 0 374 6 5 1 3 0 8 0 rtentry 176 309 0 231 6 1 5 6 0 8 0 unpcb 144 1508 0 1488 7 5 2 6 0 8 1 syncache 336 11 0 11 4 3 1 1 0 8 1 tcpqe 32 3 0 3 2 1 1 1 0 8 1 tcpcb 736 836 0 828 21 15 6 7 0 8 5 arp 136 45 0 28 1 0 1 1 0 8 0 inpcb 328 3165 0 3151 22 13 9 12 0 8 7 nd6 152 59 0 43 1 0 1 1 0 8 0 pkpcb 40 17 0 17 7 6 1 1 0 8 1 kcovpl 48 18 0 10 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 117 0 117 2 1 1 1 0 8 1 pppxif 1504 10 0 10 7 6 1 1 0 8 1 pfstscr 40 4 0 3 1 0 1 1 0 8 0 pffrag 232 63 0 45 2 0 2 2 0 482 0 pffrnode 88 60 0 43 1 0 1 1 0 8 0 pffrent 40 109 0 91 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 pfrktable 1344 6 0 6 1 1 0 1 0 8 0 pfanchor 1288 2 0 2 1 1 0 1 0 8 0 pftag 88 4 0 2 1 0 1 1 0 8 0 pfstitem 24 151 0 83 1 0 1 1 0 8 0 pfstkey 128 164 0 95 3 0 3 3 0 8 0 pfstate 448 156 0 90 10 0 10 10 0 8 0 pfrule 1344 96 0 91 2 1 1 2 0 8 0 rttmr 136 4 0 4 3 2 1 1 0 8 1 art_heap8 4096 5 0 0 5 0 5 5 0 8 0 art_heap4 256 1498 0 1209 36 10 26 29 0 8 2 art_table 40 1503 0 1209 5 0 5 5 0 8 0 art_node 32 309 0 241 1 0 1 1 0 8 0 sysvmsgpl 40 19 0 10 1 0 1 1 0 8 0 semapl 112 144 0 125 1 0 1 1 0 8 0 shmpl 112 81 0 11 2 0 2 2 0 8 0 dirhash 1024 33 0 16 3 0 3 3 0 8 0 dino2pl 256 6258 0 4731 97 0 97 97 0 8 0 ffsino 296 6258 0 4731 120 1 119 119 0 8 0 nchpl 144 9915 0 9285 65 41 24 65 0 8 0 rtmask 32 25 0 25 3 3 0 1 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 38096 0 38096 3 2 1 2 0 8 1 percpumem 16 203 0 153 1 0 1 1 0 8 0 vcpupl 3968 10 0 0 2 0 2 2 0 8 0 vmpool 840 12 0 2 3 1 2 2 0 8 0 kstatmem 264 224 0 194 3 0 3 3 0 8 0 scsiplug 72 12 0 12 6 5 1 1 0 8 1 scxspl 216 66421 0 66421 14 13 1 8 1 8 1 plimitpl 152 759 0 741 1 0 1 1 0 8 0 sigapl 424 2998 0 2949 9 3 6 8 0 8 0 knotepl 120 808 0 0 25 0 25 25 0 8 0 kqueuepl 224 1011 0 995 15 12 3 5 0 8 2 pipepl 344 359 0 331 3 0 3 3 0 8 0 fdescpl 528 2948 0 2916 3 0 3 3 0 8 0 filepl 160 20206 0 19973 28 14 14 18 0 8 2 lockfpl 104 1044 0 1041 2 1 1 2 0 8 0 lockfspl 48 464 0 461 1 0 1 1 0 8 0 sessionpl 144 38 0 29 1 0 1 1 0 8 0 pgrppl 48 99 0 82 1 0 1 1 0 8 0 ucredpl 104 3264 0 3250 1 0 1 1 0 8 0 zombiepl 144 2950 0 2949 2 1 1 1 0 8 0 processpl 1232 2998 0 2949 8 3 5 6 0 8 1 procpl 664 7038 0 6980 8 1 7 8 0 8 0 sosppl 176 25 0 25 4 4 0 1 0 8 0 sockpl 752 5174 0 5137 37 25 12 17 0 8 7 mcl64k 65536 21 0 0 3 0 3 3 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 120 0 0 15 0 15 15 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 59 0 0 7 0 7 7 0 8 0 mtagpl 96 325 0 0 8 0 8 8 0 8 0 mbufpl 256 2097 0 0 129 0 129 129 0 8 0 bufpl 280 26457 0 20320 439 0 439 439 0 8 0 anonpl 32 14103 0 0 114 0 114 114 0 246 0 amapchunkpl 152 91302 0 90785 54 26 28 36 0 158 5 amappl16 200 9627 0 9588 77 63 14 36 0 8 8 amappl15 192 48 0 48 2 2 0 1 0 8 0 amappl14 184 5 0 5 1 1 0 1 0 8 0 amappl13 176 559 0 558 1 0 1 1 0 8 0 amappl12 168 3389 0 3346 3 0 3 3 0 8 0 amappl11 160 31 0 31 2 2 0 1 0 8 0 amappl10 152 51 0 37 1 0 1 1 0 8 0 amappl9 144 253 0 253 1 1 0 1 0 8 0 amappl8 136 27 0 24 1 0 1 1 0 8 0 amappl7 128 124 0 123 1 0 1 1 0 8 0 amappl6 120 402 0 389 1 0 1 1 0 8 0 amappl5 112 82 0 70 1 0 1 1 0 8 0 amappl4 104 493 0 463 1 0 1 1 0 8 0 amappl3 96 15661 0 15561 4 1 3 3 0 8 0 amappl2 88 3086 0 3008 2 0 2 2 0 8 0 amappl1 80 21820 0 21214 16 1 15 15 0 8 1 amappl 88 24374 0 24200 5 0 5 5 0 92 0 uvmvnodes 80 185 0 0 4 0 4 4 0 8 0 dma65536 65536 2 0 2 2 2 0 1 0 8 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma4096 4096 2 0 2 2 2 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma512 512 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 258 0 258 5 4 1 1 0 8 1 dma64 64 9 0 9 4 4 0 1 0 8 0 dma32 32 8 0 8 2 2 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 95 0 13 2 0 2 2 0 8 0 uaddrrnd 24 2948 0 2916 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2948 0 2916 1 0 1 1 0 8 0 vmmpekpl 168 22660 0 22601 3 0 3 3 0 8 0 vmmpepl 168 190268 0 188269 138 37 101 116 0 357 6 vmsppl 488 2947 0 2916 6 1 5 5 0 8 0 rwobjpl 80 49796 0 48575 40 7 33 37 0 8 0 pdppl 4096 5927 0 5846 132 49 83 83 0 8 2 pvpl 32 21220 0 0 172 0 172 172 0 265 0 pmappl 256 2959 0 2918 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 479 0 87 13 1 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8384cff0) 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 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffffffff8384cff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: 10 ddb{0}> trace x86_ipi_db(ffffffff8384cff0) 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 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffffffff8384cff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -5 ddb{0}> machine ddbcpu 1 Stopped at vm_terminate+0xb0: movq 0x340(%r12),%rbx vm_terminate(ffff8000383faea0) at vm_terminate+0xb0 sys/dev/vmm/vmm.c:728 vmmioctl(a00,80045604,ffff8000383faea0,3,ffff8000323e22c0) at vmmioctl+0x35b sys/dev/vmm/vmm.c:254 VOP_IOCTL(fffffd806eae9bd8,80045604,ffff8000383faea0,3,fffffd80097fd618,ffff8000323e22c0) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806c98aea0,80045604,ffff8000383faea0,ffff8000323e22c0) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000323e22c0,ffff8000383fb080,ffff8000383fafd0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff8000383fb080) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000383fb080) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd8f036317f0, count: 8 ddb{1}> trace vm_terminate(ffff8000383faea0) at vm_terminate+0xb0 sys/dev/vmm/vmm.c:728 vmmioctl(a00,80045604,ffff8000383faea0,3,ffff8000323e22c0) at vmmioctl+0x35b sys/dev/vmm/vmm.c:254 VOP_IOCTL(fffffd806eae9bd8,80045604,ffff8000383faea0,3,fffffd80097fd618,ffff8000323e22c0) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806c98aea0,80045604,ffff8000383faea0,ffff8000323e22c0) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000323e22c0,ffff8000383fb080,ffff8000383fafd0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff8000383fb080) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000383fb080) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd8f036317f0, count: -7