uvm_fault(0xfffffd806c2685d0, 0x0, 0, 1) -> e kernel: page fault trap, code=0 Stopped at dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 TID PID UID PRFLAGS PFLAGS CPU COMMAND dt_ioctl_record_stop(ffff8000014e5f00) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(221e5f,1,2000,ffff8000389307f8) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(221e5f,1,2000,ffff8000389307f8) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003891ec70) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8060e52530,1,fffffd8007bfb4e0,ffff8000389307f8) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8068ccd538,ffff8000389307f8) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8068ccd538,ffff8000389307f8) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd8068ccd538,ffff8000389307f8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8068ccd538,ffff8000389307f8) at closef+0x190 sys/kern/kern_descrip.c:1264 fdfree(ffff8000389307f8) at fdfree+0x115 sys/kern/kern_descrip.c:1195 exit1(ffff8000389307f8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000389307f8,ffff80003891efd0,ffff80003891ef20) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003891efd0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003891efd0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e92741050e0, count: 3 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: uvm_fault(0xfffffd806c2685d0, 0x0, 0, 1) -> e ddb> trace dt_ioctl_record_stop(ffff8000014e5f00) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(221e5f,1,2000,ffff8000389307f8) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(221e5f,1,2000,ffff8000389307f8) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003891ec70) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8060e52530,1,fffffd8007bfb4e0,ffff8000389307f8) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8068ccd538,ffff8000389307f8) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8068ccd538,ffff8000389307f8) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd8068ccd538,ffff8000389307f8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8068ccd538,ffff8000389307f8) at closef+0x190 sys/kern/kern_descrip.c:1264 fdfree(ffff8000389307f8) at fdfree+0x115 sys/kern/kern_descrip.c:1195 exit1(ffff8000389307f8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000389307f8,ffff80003891efd0,ffff80003891ef20) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003891efd0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003891efd0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e92741050e0, count: -12 ddb> show registers rdi 0 rsi 0 rbp 0xffff80003891eba0 rbx 0x1 rdx 0 rcx 0xffff8000389307f8 rax 0xffffffff8380d1a8 dt_prov_syscall r8 0xffffffffffffffff r9 0 r10 0x9dc5fb94fbd7f690 r11 0xc1bcd096d1d5b888 r12 0 r13 0 r14 0 r15 0xffff8000014b3400 rip 0xffffffff82199078 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff80003891eb70 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb> show proc PROC (syz-executor) tid=191870 pid=2690 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000389307f8 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff800038930560,0xffff80002a7cc028 process=0xffff80002a7ec910 user=0xffff80003891a000, vmspace=0xfffffd806c2685d0 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 35425 457002 86035 0 2 0 syz-executor 35425 246875 86035 0 2 0x4000000 syz-executor 35954 292714 19491 0 2 0 syz-executor 35954 134188 19491 0 3 0x4000080 kqsel syz-executor 70061 78800 93141 0 3 0 vmmaplk syz-executor 70061 463635 93141 0 2 0x4000000 syz-executor 4151 413131 753 0 3 0x3010 suspend syz-executor 4151 177694 753 0 2 0x4081010 syz-executor 4151 94122 753 0 2 0x4081010 syz-executor 90291 113367 44139 0 3 0x80 nanoslp syz-executor 90291 202670 44139 0 3 0x4000080 kqpoll syz-executor 90291 481222 44139 0 3 0x4000080 fsleep syz-executor 90291 299252 44139 0 3 0x4000080 fsleep syz-executor 75535 447515 3379 0 3 0x80 nanoslp syz-executor 75535 321760 3379 0 3 0x4000080 netacc syz-executor 75535 234173 3379 0 3 0x4000080 fsleep syz-executor 64402 299329 1 0 3 0x82 nanoslp getty 86035 369726 60615 0 3 0x82 nanoslp syz-executor 44139 44765 60615 0 3 0x82 nanoslp syz-executor 47584 281267 82363 0 3 0x82 sbwait sshd-session 41625 395644 0 0 3 0x14200 acct acct 30452 129856 0 0 3 0x14280 nfsidl nfsio 95324 438544 0 0 3 0x14280 nfsidl nfsio 20374 185560 0 0 3 0x14280 nfsidl nfsio 25836 6435 0 0 3 0x14280 nfsidl nfsio 57439 70364 0 0 3 0x14280 nfsidl nfsio 28712 507389 0 0 3 0x14280 nfsidl nfsio 20015 463953 0 0 3 0x14280 nfsidl nfsio 41206 134722 0 0 3 0x14280 nfsidl nfsio 68742 81671 0 0 3 0x14280 nfsidl nfsio 80642 197952 0 0 3 0x14280 nfsidl nfsio 16694 145437 0 0 3 0x14280 nfsidl nfsio 39074 364179 0 0 3 0x14280 nfsidl nfsio 36444 318090 0 0 3 0x14280 nfsidl nfsio 96508 207629 0 0 3 0x14280 nfsidl nfsio 89388 288858 0 0 3 0x14280 nfsidl nfsio 59435 453738 0 0 3 0x14280 nfsidl nfsio 15138 52215 0 0 3 0x14280 nfsidl nfsio 54632 349696 0 0 3 0x14280 nfsidl nfsio 36464 152428 0 0 3 0x14280 nfsidl nfsio 47309 418762 0 0 3 0x14280 nfsidl nfsio 44952 433581 0 0 3 0x14200 bored sosplice 19491 342512 60615 0 3 0x82 nanoslp syz-executor 49231 245726 60615 0 3 0x82 nanoslp syz-executor 3379 315361 60615 0 3 0x82 nanoslp syz-executor 93141 31765 60615 0 3 0x82 nanoslp syz-executor 17689 215236 60615 0 3 0x82 nanoslp syz-executor 753 247858 60615 0 3 0x82 nanoslp syz-executor 60615 57758 20800 0 3 0x82 kqread syz-executor 20800 110922 85094 0 3 0x10008a sigsusp ksh 85094 71367 56191 0 3 0x98 kqread sshd-session 56191 341756 82363 0 3 0x92 kqread sshd-session 82363 313536 1 0 3 0x88 kqread sshd 79468 322672 61146 73 3 0x1100090 kqread syslogd 61146 384561 1 0 3 0x100082 sbwait syslogd 73825 68668 1 0 3 0x100080 kqread resolvd 94634 336241 47951 77 3 0x100092 kqread dhcpleased 14148 461428 47951 77 3 0x100092 kqread dhcpleased 47951 414378 1 0 3 0x80 kqread dhcpleased 84492 453056 0 0 3 0x14200 bored smr 33191 98014 0 0 2 0x14200 zerothread 96361 104510 0 0 3 0x14200 aiodoned aiodoned 73838 6613 0 0 3 0x14200 syncer update 50475 381990 0 0 3 0x14200 cleaner cleaner 63572 497417 0 0 3 0x14200 reaper reaper 46924 344158 0 0 3 0x14200 pgdaemon pagedaemon 71216 477040 0 0 3 0x14200 bored viomb 47451 389600 0 0 3 0x40014200 acpi0 acpi0 72403 227796 0 0 3 0x14200 bored softnet0 68083 393369 0 0 3 0x14200 bored systqmp 78187 327074 0 0 3 0x14200 bored systq 65436 319254 0 0 3 0x40014200 tmoslp softclock 72173 29576 0 0 3 0x40014200 idle0 1 476853 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10192 11134K 11708K 166960K 12236 0 pcb 20 18K 23K 166960K 380 0 rtable 239 9K 10K 166960K 532 0 pf 40 15K 20K 166960K 120 0 ifaddr 43 7K 8K 166960K 87 0 ifgroup 59 2K 2K 166960K 133 0 sysctl 3 1K 9K 166960K 14 0 counters 36 18K 18K 166960K 72 0 ioctlops 0 0K 4K 166960K 144 0 iov 0 0K 16K 166960K 45 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1463 92K 92K 166960K 2256 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 101 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 106K 166960K 853 0 sigio 0 0K 0K 166960K 81 0 proc 60 59K 108K 166960K 637 0 subproc 72 4K 4K 166960K 94 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 145 0 in_multi 96 7K 7K 166960K 170 0 ether_multi 1 0K 0K 166960K 12 0 mrt 0 0K 0K 166960K 8 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 523 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 247 167K 182K 166960K 9155 0 UVM aobj 58 3K 3K 166960K 60 0 pinsyscall 41 82K 94K 166960K 1990 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 53 0 NDP 13 0K 1K 166960K 58 0 temp 65 8645K 8712K 166960K 29525 0 kqueue 14 22K 30K 166960K 177 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 82 0 79 1 0 1 1 0 8 0 rtentry 136 155 0 57 4 0 4 4 0 8 0 unpcb 144 972 0 951 6 0 6 6 0 8 5 syncache 336 7 0 7 1 0 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 736 368 0 356 7 0 7 7 0 8 5 arp 96 25 0 9 1 0 1 1 0 8 0 ipq 40 7 0 6 1 0 1 1 0 8 0 ipqe 40 57 0 55 1 0 1 1 0 8 0 inpcb 328 1276 0 1258 18 9 9 18 0 8 5 ip6q 72 2 0 2 1 0 1 1 0 8 1 ip6af 40 5 0 5 1 0 1 1 0 8 1 nd6 112 35 0 7 1 0 1 1 0 8 0 pkpcb 40 6 0 6 1 0 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1072 30 0 28 1 0 1 1 0 8 0 pppxif 1384 4 0 2 1 0 1 1 0 8 0 pfstscr 40 1 0 1 1 0 1 1 0 8 1 pfrktable 1344 1 0 1 1 0 1 1 0 8 1 pfanchor 1288 2 0 0 1 0 1 1 0 8 0 pftag 88 3 0 0 1 0 1 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 7 0 5 1 0 1 1 0 8 0 pfstate 384 4 0 3 1 0 1 1 0 8 0 pfrule 1344 4 0 4 1 0 1 1 0 8 1 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 610 0 208 31 0 31 31 0 8 5 art_table 40 613 0 208 5 0 5 5 0 8 0 art_node 32 154 0 66 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 7 1 0 1 1 0 8 0 semapl 112 96 0 86 1 0 1 1 0 8 0 shmpl 112 57 0 2 2 0 2 2 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 3054 0 1553 95 0 95 95 0 8 0 ffsino 256 3054 0 1553 95 0 95 95 0 8 0 nchpl 144 4221 0 2520 64 0 64 64 0 8 0 rtmask 32 4 0 4 1 0 1 1 0 8 1 vnodes 216 3589 0 0 200 0 200 200 0 8 0 namei 1024 14547 0 14547 2 0 2 2 0 8 2 kstatmem 264 76 0 50 2 0 2 2 0 8 0 scsiplug 72 5 0 5 1 0 1 1 0 8 1 scxspl 216 13088 0 13088 8 0 8 8 1 8 8 plimitpl 152 199 0 182 1 0 1 1 0 8 0 sigapl 424 1156 0 1090 8 0 8 8 0 8 0 knotepl 120 35448 0 35396 13 3 10 13 0 8 8 kqueuepl 184 270 0 257 1 0 1 1 0 8 0 pipepl 304 252 0 225 5 0 5 5 0 8 2 fdescpl 448 1120 0 1089 5 0 5 5 0 8 1 filepl 120 8314 0 8083 13 0 13 13 0 8 4 lockfpl 104 393 0 390 2 0 2 2 0 8 1 lockfspl 48 151 0 148 1 0 1 1 0 8 0 sessionpl 144 27 0 19 1 0 1 1 0 8 0 pgrppl 48 111 0 95 1 0 1 1 0 8 0 ucredpl 104 1459 0 1445 1 0 1 1 0 8 0 zombiepl 144 1093 0 1090 1 0 1 1 0 8 0 processpl 1152 1156 0 1090 5 0 5 5 0 8 0 procpl 664 2208 0 2132 7 0 7 7 0 8 0 sosppl 168 4 0 4 1 0 1 1 0 8 1 sockpl 552 2354 0 2312 20 9 11 17 0 8 7 mcl64k 65536 94 0 94 1 0 1 1 0 8 1 mcl16k 16384 3 0 3 1 0 1 1 0 8 1 mcl9k 9216 2 0 2 1 0 1 1 0 8 1 mcl8k 8192 14 0 14 1 0 1 1 0 8 1 mcl4k 4096 3426 0 3376 12 0 12 12 0 8 5 mcl2k2 2112 2 0 2 1 0 1 1 0 8 1 mcl2k 2048 1181 0 1177 3 0 3 3 0 8 2 mtagpl 96 6 0 5 1 0 1 1 0 8 0 mbufpl 256 12004 0 11823 38 16 22 38 0 8 8 bufpl 280 4234 0 120 294 0 294 294 0 8 0 anonpl 24 185377 0 181818 48 0 48 48 0 187 20 amapchunkpl 152 30551 0 30045 30 0 30 30 0 158 9 amappl16 200 3224 0 3179 19 7 12 15 0 8 8 amappl15 192 2 0 2 1 0 1 1 0 8 1 amappl14 184 6 0 6 1 0 1 1 0 8 1 amappl13 176 429 0 428 1 0 1 1 0 8 0 amappl12 168 1484 0 1443 2 0 2 2 0 8 0 amappl11 160 7 0 6 1 0 1 1 0 8 0 amappl10 152 45 0 35 1 0 1 1 0 8 0 amappl9 144 246 0 245 1 0 1 1 0 8 0 amappl8 136 22 0 21 1 0 1 1 0 8 0 amappl7 128 101 0 100 1 0 1 1 0 8 0 amappl6 120 309 0 297 1 0 1 1 0 8 0 amappl5 112 170 0 161 1 0 1 1 0 8 0 amappl4 104 405 0 383 1 0 1 1 0 8 0 amappl3 96 5153 0 5058 3 0 3 3 0 8 0 amappl2 88 1281 0 1203 2 0 2 2 0 8 0 amappl1 80 13167 0 12536 15 0 15 15 0 8 1 amappl 88 8251 0 8080 5 0 5 5 0 92 0 uvmvnodes 80 3589 0 0 74 0 74 74 0 8 0 dma4096 4096 3 0 3 1 0 1 1 0 8 1 dma2048 2048 1 0 1 1 0 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 0 1 1 0 8 1 dma128 128 254 0 254 1 0 1 1 0 8 1 dma64 64 6 0 6 1 0 1 1 0 8 1 dma32 32 7 0 7 1 0 1 1 0 8 1 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 59 0 2 2 0 2 2 0 8 0 uaddrrnd 24 1120 0 1089 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1120 0 1089 1 0 1 1 0 8 0 vmmpekpl 168 10643 0 10606 3 0 3 3 0 8 0 vmmpepl 168 77720 0 75713 97 0 97 97 0 357 4 vmsppl 368 1119 0 1089 4 0 4 4 0 8 1 rwobjpl 40 26086 0 21480 47 0 47 47 0 8 0 pdppl 4096 2247 0 2178 105 36 69 81 0 8 0 pvpl 32 509335 0 499770 127 0 127 127 0 265 34 pmappl 216 1119 0 1089 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 411 0 52 11 0 11 11 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace dt_ioctl_record_stop(ffff8000014e5f00) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(221e5f,1,2000,ffff8000389307f8) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(221e5f,1,2000,ffff8000389307f8) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003891ec70) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8060e52530,1,fffffd8007bfb4e0,ffff8000389307f8) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8068ccd538,ffff8000389307f8) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8068ccd538,ffff8000389307f8) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd8068ccd538,ffff8000389307f8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8068ccd538,ffff8000389307f8) at closef+0x190 sys/kern/kern_descrip.c:1264 fdfree(ffff8000389307f8) at fdfree+0x115 sys/kern/kern_descrip.c:1195 exit1(ffff8000389307f8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000389307f8,ffff80003891efd0,ffff80003891ef20) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003891efd0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003891efd0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e92741050e0, count: -12 ddb> machine ddbcpu 1 No such command ddb> trace dt_ioctl_record_stop(ffff8000014e5f00) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(221e5f,1,2000,ffff8000389307f8) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(221e5f,1,2000,ffff8000389307f8) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003891ec70) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8060e52530,1,fffffd8007bfb4e0,ffff8000389307f8) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8068ccd538,ffff8000389307f8) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8068ccd538,ffff8000389307f8) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd8068ccd538,ffff8000389307f8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8068ccd538,ffff8000389307f8) at closef+0x190 sys/kern/kern_descrip.c:1264 fdfree(ffff8000389307f8) at fdfree+0x115 sys/kern/kern_descrip.c:1195 exit1(ffff8000389307f8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000389307f8,ffff80003891efd0,ffff80003891ef20) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003891efd0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003891efd0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e92741050e0, count: -12