login: uvm_fault(0xfffffd806cb145d0, 0x18, 0, 1) -> e kernel: page fault trap, code=0 Stopped at mtx_enter+0x6e: movq 0(%r14),%r15 TID PID UID PRFLAGS PFLAGS CPU COMMAND mtx_enter(18) at mtx_enter+0x6e sys/kern/kern_lock.c:549 clockintr_unbind(ffff80000172fb30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001684580) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(21e5f,1,2000,ffff80002f0c1ca0) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff80002f0c1ca0) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239 spec_close(ffff800039cd34b0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805e073468,1,fffffd8007ffd7b8,ffff80002f0c1ca0) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8069d041e0,ffff80002f0c1ca0) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd8069d041e0,ffff80002f0c1ca0) at vn_closefile+0x11d sys/kern/vfs_vnops.c:621 fdrop(fffffd8069d041e0,ffff80002f0c1ca0) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd8069d041e0,ffff80002f0c1ca0) at closef+0x190 sys/kern/kern_descrip.c:1265 fdfree(ffff80002f0c1ca0) at fdfree+0x115 sys/kern/kern_descrip.c:1196 exit1(ffff80002f0c1ca0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002f0c1ca0,ffff800039cd3810,ffff800039cd3760) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800039cd3810) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff800039cd3810) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b1336e26400, count: 1 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(0xfffffd806cb145d0, 0x18, 0, 1) -> e ddb> trace mtx_enter(18) at mtx_enter+0x6e sys/kern/kern_lock.c:549 clockintr_unbind(ffff80000172fb30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001684580) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(21e5f,1,2000,ffff80002f0c1ca0) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff80002f0c1ca0) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239 spec_close(ffff800039cd34b0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805e073468,1,fffffd8007ffd7b8,ffff80002f0c1ca0) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8069d041e0,ffff80002f0c1ca0) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd8069d041e0,ffff80002f0c1ca0) at vn_closefile+0x11d sys/kern/vfs_vnops.c:621 fdrop(fffffd8069d041e0,ffff80002f0c1ca0) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd8069d041e0,ffff80002f0c1ca0) at closef+0x190 sys/kern/kern_descrip.c:1265 fdfree(ffff80002f0c1ca0) at fdfree+0x115 sys/kern/kern_descrip.c:1196 exit1(ffff80002f0c1ca0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002f0c1ca0,ffff800039cd3810,ffff800039cd3760) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800039cd3810) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff800039cd3810) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b1336e26400, count: -14 ddb> show registers rdi 0 rsi 0 rbp 0xffff800039cd3360 rbx 0 rdx 0 rcx 0xffff80002f0c1ca0 rax 0xffff80002f0c1c00 r8 0 r9 0 r10 0x7e307a04dd6efedc r11 0xfe8e36b0a6bb2d02 r12 0x1 r13 0 r14 0x18 r15 0 rip 0xffffffff8127ec3e mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff800039cd3330 ss 0 mtx_enter+0x6e: movq 0(%r14),%r15 ddb> show proc PROC (syz-executor) tid=77285 pid=44234 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=75, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002f0c1ca0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002f0c07e0,0xffff80002f0c0a88 process=0xffff80003c94b620 user=0xffff800039cce000, vmspace=0xfffffd806cb145d0 estcpu=25, cpticks=7, pctcpu=0.5, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 84049 164602 44959 0 2 0 syz-executor 84049 139710 44959 0 3 0x4000080 fsleep syz-executor 84049 356299 44959 0 2 0x4000000 syz-executor 66789 494467 12587 0 2 0 syz-executor 66789 171052 12587 0 3 0x4000080 fsleep syz-executor 52405 442088 52077 0 2 0 syz-executor 52405 162807 52077 0 3 0x4000080 fsleep syz-executor 43620 142614 36636 0 2 0x10 syz-executor 43620 389249 36636 0 3 0x4000090 fsleep syz-executor 71976 278625 15545 -1 2 0x10 syz-executor 71976 396296 15545 -1 3 0x4000090 fsleep syz-executor 71976 171926 15545 -1 2 0x4000010 syz-executor 30073 518357 34142 0 2 0 syz-executor 30073 174807 34142 0 3 0x4000080 kqread syz-executor 30073 223193 34142 0 3 0x4000080 fsleep syz-executor 36664 398592 0 0 3 0x14200 acct acct 69774 104718 0 0 3 0x14280 nfsidl nfsio 56248 281546 0 0 3 0x14280 nfsidl nfsio 15833 405048 0 0 3 0x14280 nfsidl nfsio 68646 452185 0 0 3 0x14280 nfsidl nfsio 12748 403201 0 0 3 0x14280 nfsidl nfsio 21531 421261 0 0 3 0x14280 nfsidl nfsio 8287 90395 0 0 3 0x14280 nfsidl nfsio 22833 485877 0 0 3 0x14280 nfsidl nfsio 16872 369682 0 0 3 0x14280 nfsidl nfsio 47329 523330 0 0 3 0x14280 nfsidl nfsio 40147 343557 0 0 3 0x14280 nfsidl nfsio 45963 423049 0 0 3 0x14280 nfsidl nfsio 29807 57238 0 0 3 0x14280 nfsidl nfsio 2292 118070 0 0 3 0x14280 nfsidl nfsio 22383 40996 0 0 3 0x14280 nfsidl nfsio 40910 28703 0 0 3 0x14280 nfsidl nfsio 49325 189830 0 0 3 0x14280 nfsidl nfsio 66001 196308 0 0 3 0x14280 nfsidl nfsio 49309 331297 0 0 3 0x14280 nfsidl nfsio 30244 105129 0 0 3 0x14280 nfsidl nfsio 76039 508556 1 0 3 0x100083 ttyin getty 44959 243621 99495 0 3 0x82 nanoslp syz-executor 12587 133377 99495 0 3 0x82 nanoslp syz-executor 34142 327226 99495 0 3 0x82 nanoslp syz-executor 52077 370492 99495 0 3 0x82 nanoslp syz-executor 81218 158228 99495 0 3 0x82 wait syz-executor 15545 90763 99495 0 3 0x82 nanoslp syz-executor 36636 72229 99495 0 3 0x82 nanoslp syz-executor 34052 357293 99495 0 3 0x82 nanoslp syz-executor 99495 81304 27085 0 3 0x82 kqread syz-executor 27085 42800 27416 0 3 0x10008a sigsusp ksh 27416 452897 86930 0 3 0x98 kqread sshd-session 86930 499367 91245 0 3 0x92 kqread sshd-session 91245 336226 1 0 3 0x88 kqread sshd 62012 106333 45132 73 3 0x1100090 kqread syslogd 45132 132443 1 0 3 0x100082 sbwait syslogd 5175 213625 1 0 3 0x100080 kqread resolvd 48838 136946 6549 77 3 0x100092 kqread dhcpleased 35458 177831 6549 77 3 0x100092 kqread dhcpleased 6549 369102 1 0 3 0x80 kqread dhcpleased 56711 100409 0 0 3 0x14200 bored smr 52186 205266 0 0 2 0x14200 zerothread 7574 205862 0 0 3 0x14200 aiodoned aiodoned 40309 459300 0 0 3 0x14200 syncer update 22723 248472 0 0 3 0x14200 cleaner cleaner 38715 435031 0 0 2 0x14200 reaper 17960 473367 0 0 3 0x14200 pgdaemon pagedaemon 80057 393462 0 0 3 0x14200 bored viomb 39272 443843 0 0 3 0x40014200 acpi0 acpi0 86853 126915 0 0 3 0x14200 bored softnet0 99284 12862 0 0 3 0x14200 bored systqmp 34860 96110 0 0 3 0x14200 bored systq 66554 244938 0 0 3 0x40014200 tmoslp softclock 97681 293865 0 0 3 0x40014200 idle0 1 370991 0 0 3 0x82 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 11056 12275K 13041K 166960K 12600 0 pcb 18 12K 12K 166960K 54 0 rtable 233 8K 9K 166960K 409 0 pf 34 13K 14K 166960K 52 0 ifaddr 42 7K 7K 166960K 54 0 ifgroup 55 2K 2K 166960K 78 0 sysctl 3 1K 9K 166960K 8 0 counters 34 17K 18K 166960K 42 0 ioctlops 0 0K 2K 166960K 95 0 iov 0 0K 12K 166960K 9 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1378 87K 87K 166960K 1622 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 5 0K 0K 166960K 6 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 97K 166960K 343 0 sigio 0 0K 0K 166960K 2 0 proc 60 59K 124K 166960K 534 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 32 0 in_multi 96 7K 7K 166960K 103 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 13 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 67 307K 307K 166960K 67 0 exec 0 0K 2K 166960K 392 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 238 157K 164K 166960K 4861 0 UVM aobj 6 2K 2K 166960K 6 0 pinsyscall 39 78K 96K 166960K 1461 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 7 0 NDP 12 0K 2K 166960K 35 0 temp 44 9068K 9132K 166960K 10377 0 kqueue 13 20K 30K 166960K 71 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 120 116 0 112 3 2 1 3 0 8 0 rtentry 136 118 0 17 4 0 4 4 0 8 0 unpcb 144 145 0 129 1 0 1 1 0 8 0 syncache 336 8 0 8 2 1 1 1 0 8 1 tcpcb 736 125 0 119 7 6 1 7 0 8 0 arp 96 18 0 0 1 0 1 1 0 8 0 ipq 40 3 0 0 1 0 1 1 0 8 0 ipqe 40 3 0 0 1 0 1 1 0 8 0 inpcb 328 249 0 239 7 5 2 7 0 8 1 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 2 0 2 1 1 0 1 0 8 0 nd6 112 27 0 2 1 0 1 1 0 8 0 pkpcb 40 2 0 1 2 1 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1072 5 0 5 1 1 0 1 0 8 0 pfstscr 40 2 0 1 1 0 1 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 4 0 2 1 0 1 1 0 8 0 pfstate 384 2 0 1 1 0 1 1 0 8 0 rttmr 136 2 0 2 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 526 0 107 33 4 29 33 0 8 1 art_table 40 528 0 107 6 1 5 6 0 8 0 art_node 32 117 0 26 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 2 1 0 1 1 0 8 0 semapl 112 3 0 0 1 0 1 1 0 8 0 shmpl 112 3 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1962 0 506 92 0 92 92 0 8 0 ffsino 256 1962 0 506 92 0 92 92 0 8 0 nchpl 144 2469 0 771 64 0 64 64 0 8 0 vnodes 216 2223 0 0 124 0 124 124 0 8 0 namei 1024 8159 0 8159 3 2 1 2 0 8 1 kstatmem 264 38 0 14 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 12970 0 12970 5 4 1 5 1 8 1 plimitpl 152 62 0 45 1 0 1 1 0 8 0 sigapl 424 663 0 599 8 0 8 8 0 8 0 knotepl 120 12706 0 12659 18 8 10 10 0 8 8 kqueuepl 184 88 0 78 1 0 1 1 0 8 0 pipepl 304 136 0 108 3 0 3 3 0 8 0 fdescpl 448 629 0 599 5 1 4 5 0 8 0 filepl 120 3162 0 2942 11 3 8 11 0 8 0 lockfpl 104 299 0 297 2 1 1 2 0 8 0 lockfspl 48 78 0 76 1 0 1 1 0 8 0 sessionpl 144 32 0 24 1 0 1 1 0 8 0 pgrppl 48 40 0 24 1 0 1 1 0 8 0 ucredpl 104 286 0 273 1 0 1 1 0 8 0 zombiepl 144 620 0 618 1 0 1 1 0 8 0 processpl 1152 663 0 599 5 0 5 5 0 8 0 procpl 664 1009 0 935 7 0 7 7 0 8 0 sosppl 176 2 0 2 2 1 1 1 0 8 1 sockpl 552 519 0 488 8 5 3 8 0 8 0 mcl64k 65536 81 0 81 2 1 1 1 0 8 1 mcl8k 8192 4 0 4 1 1 0 1 0 8 0 mcl4k 4096 2780 0 2728 15 7 8 15 0 8 1 mcl2k 2048 368 0 365 1 0 1 1 0 8 0 mtagpl 96 7 0 6 1 0 1 1 0 8 0 mbufpl 256 6653 0 6473 28 9 19 21 0 8 6 bufpl 280 5749 0 103 404 0 404 404 0 8 0 anonpl 24 119651 0 116412 69 21 48 69 0 187 8 amapchunkpl 152 15191 0 14483 41 6 35 35 0 158 7 amappl16 200 2252 0 2224 27 12 15 27 0 8 8 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 414 0 413 1 0 1 1 0 8 0 amappl13 176 119 0 109 1 0 1 1 0 8 0 amappl12 168 884 0 855 2 0 2 2 0 8 0 amappl11 160 4 0 4 1 1 0 1 0 8 0 amappl10 152 95 0 85 1 0 1 1 0 8 0 amappl9 144 342 0 342 1 1 0 1 0 8 0 amappl8 136 129 0 128 1 0 1 1 0 8 0 amappl7 128 147 0 135 1 0 1 1 0 8 0 amappl6 120 191 0 189 1 0 1 1 0 8 0 amappl5 112 119 0 111 1 0 1 1 0 8 0 amappl4 104 269 0 254 1 0 1 1 0 8 0 amappl3 96 2758 0 2640 4 0 4 4 0 8 0 amappl2 88 543 0 489 2 0 2 2 0 8 0 amappl1 80 10911 0 10360 17 2 15 15 0 8 1 amappl 88 4104 0 3930 5 0 5 5 0 92 0 uvmvnodes 80 102 0 0 3 0 3 3 0 8 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 7 0 7 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 5 0 0 1 0 1 1 0 8 0 uaddrrnd 24 629 0 599 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 629 0 599 1 0 1 1 0 8 0 vmmpekpl 168 7079 0 7042 2 0 2 2 0 8 0 vmmpepl 168 49193 0 47353 102 4 98 102 0 357 10 vmsppl 368 628 0 599 4 1 3 4 0 8 0 rwobjpl 40 16788 0 15820 15 0 15 15 0 8 1 pdppl 4096 1264 0 1198 104 34 70 82 0 8 4 pvpl 32 298493 0 289807 139 23 116 139 0 265 13 pmappl 216 628 0 599 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 397 0 69 11 0 11 11 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace mtx_enter(18) at mtx_enter+0x6e sys/kern/kern_lock.c:549 clockintr_unbind(ffff80000172fb30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001684580) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(21e5f,1,2000,ffff80002f0c1ca0) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff80002f0c1ca0) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239 spec_close(ffff800039cd34b0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805e073468,1,fffffd8007ffd7b8,ffff80002f0c1ca0) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8069d041e0,ffff80002f0c1ca0) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd8069d041e0,ffff80002f0c1ca0) at vn_closefile+0x11d sys/kern/vfs_vnops.c:621 fdrop(fffffd8069d041e0,ffff80002f0c1ca0) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd8069d041e0,ffff80002f0c1ca0) at closef+0x190 sys/kern/kern_descrip.c:1265 fdfree(ffff80002f0c1ca0) at fdfree+0x115 sys/kern/kern_descrip.c:1196 exit1(ffff80002f0c1ca0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002f0c1ca0,ffff800039cd3810,ffff800039cd3760) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800039cd3810) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff800039cd3810) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b1336e26400, count: -14 ddb> machine ddbcpu 1 No such command ddb> trace mtx_enter(18) at mtx_enter+0x6e sys/kern/kern_lock.c:549 clockintr_unbind(ffff80000172fb30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001684580) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(21e5f,1,2000,ffff80002f0c1ca0) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff80002f0c1ca0) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239 spec_close(ffff800039cd34b0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805e073468,1,fffffd8007ffd7b8,ffff80002f0c1ca0) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8069d041e0,ffff80002f0c1ca0) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd8069d041e0,ffff80002f0c1ca0) at vn_closefile+0x11d sys/kern/vfs_vnops.c:621 fdrop(fffffd8069d041e0,ffff80002f0c1ca0) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd8069d041e0,ffff80002f0c1ca0) at closef+0x190 sys/kern/kern_descrip.c:1265 fdfree(ffff80002f0c1ca0) at fdfree+0x115 sys/kern/kern_descrip.c:1196 exit1(ffff80002f0c1ca0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002f0c1ca0,ffff800039cd3810,ffff800039cd3760) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800039cd3810) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff800039cd3810) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b1336e26400, count: -14