uvm_fault(0xfffffd806cd09b90, 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 *201289 41692 0 0 0x4000000 0 syz-executor mtx_enter(18) at mtx_enter+0x6e sys/kern/kern_lock.c:549 clockintr_unbind(ffff800001632730,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff8000017ffe80) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(31e5f,81,2000,ffff80002a78d4d8) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(31e5f,81,2000,ffff80002a78d4d8) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c935b80) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806cbedd98,81,fffffd8007ffd4e0,ffff80002a78d4d8) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8068c27978,ffff80002a78d4d8) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8068c27978,ffff80002a78d4d8) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd8068c27978,ffff80002a78d4d8) at fdrop+0x121 sys/kern/kern_descrip.c:1281 sys_ioctl(ffff80002a78d4d8,ffff80003c935e80,ffff80003c935dd0) at sys_ioctl+0x30a sys/kern/sys_generic.c:520 syscall(ffff80003c935e80) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c935e80) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd49ef6e74e0, count: 4 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(0xfffffd806cd09b90, 0x18, 0, 1) -> e ddb> trace mtx_enter(18) at mtx_enter+0x6e sys/kern/kern_lock.c:549 clockintr_unbind(ffff800001632730,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff8000017ffe80) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(31e5f,81,2000,ffff80002a78d4d8) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(31e5f,81,2000,ffff80002a78d4d8) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c935b80) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806cbedd98,81,fffffd8007ffd4e0,ffff80002a78d4d8) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8068c27978,ffff80002a78d4d8) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8068c27978,ffff80002a78d4d8) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd8068c27978,ffff80002a78d4d8) at fdrop+0x121 sys/kern/kern_descrip.c:1281 sys_ioctl(ffff80002a78d4d8,ffff80003c935e80,ffff80003c935dd0) at sys_ioctl+0x30a sys/kern/sys_generic.c:520 syscall(ffff80003c935e80) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c935e80) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd49ef6e74e0, count: -11 ddb> show registers rdi 0 rsi 0 rbp 0xffff80003c935a30 rbx 0 rdx 0 rcx 0xffff80002a78d4d8 rax 0xffff80002a78d400 r8 0x88 r9 0 r10 0x5417771eca8fbc43 r11 0x506561c5dcf63af3 r12 0x1 r13 0 r14 0x18 r15 0 rip 0xffffffff817d0d9e mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80003c935a00 ss 0x10 mtx_enter+0x6e: movq 0(%r14),%r15 ddb> show proc PROC (syz-executor) tid=201289 pid=41692 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=0xffff80002a78ca78,0xffff80002a78cd20 process=0xffff80003c9484a0 user=0xffff80003c930000, vmspace=0xfffffd806cd09b90 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 41692 330237 39647 0 2 0 syz-executor *41692 201289 39647 0 7 0x4000000 syz-executor 41692 263716 39647 0 3 0x4000080 fsleep syz-executor 43015 483350 44867 0 3 0x80 fsleep syz-executor 43015 19384 44867 0 3 0x4000080 fifor syz-executor 22468 372414 25913 0 3 0x80 fsleep syz-executor 22468 329721 25913 0 3 0x4000080 netcon syz-executor 6578 357324 93153 0 3 0x80 fsleep syz-executor 6578 476168 93153 0 3 0x4000080 netacc syz-executor 53869 410392 37839 0 3 0x80 fsleep syz-executor 53869 444564 37839 0 3 0x4000080 piperd syz-executor 8684 449220 92444 0 3 0x80 fsleep syz-executor 8684 408954 92444 0 3 0x4000080 kqread syz-executor 96162 373761 70865 0 3 0x80 fsleep syz-executor 96162 349013 70865 0 3 0x4000080 kqread syz-executor 70865 296818 31429 0 3 0x82 nanoslp syz-executor 79541 64308 0 0 3 0x14280 nfsidl nfsio 28123 304674 0 0 3 0x14280 nfsidl nfsio 11578 424894 0 0 3 0x14280 nfsidl nfsio 47802 257093 0 0 3 0x14280 nfsidl nfsio 33081 163054 0 0 3 0x14280 nfsidl nfsio 32964 270829 0 0 3 0x14280 nfsidl nfsio 15851 46937 0 0 3 0x14280 nfsidl nfsio 30237 217504 0 0 3 0x14280 nfsidl nfsio 16072 114070 0 0 3 0x14280 nfsidl nfsio 54052 269742 0 0 3 0x14280 nfsidl nfsio 50146 299819 0 0 3 0x14280 nfsidl nfsio 25267 178684 0 0 3 0x14280 nfsidl nfsio 69068 179539 0 0 3 0x14280 nfsidl nfsio 85962 430937 0 0 3 0x14280 nfsidl nfsio 23024 453361 0 0 3 0x14280 nfsidl nfsio 60198 154480 0 0 3 0x14280 nfsidl nfsio 13395 227060 0 0 3 0x14280 nfsidl nfsio 47282 190869 0 0 3 0x14280 nfsidl nfsio 83290 351250 0 0 3 0x14280 nfsidl nfsio 35005 288267 0 0 3 0x14280 nfsidl nfsio 38143 353596 1 0 3 0x100083 ttyin getty 39647 280333 31429 0 3 0x82 nanoslp syz-executor 92444 7413 31429 0 3 0x82 nanoslp syz-executor 66436 61583 31429 0 3 0x82 wait syz-executor 93153 211293 31429 0 3 0x82 nanoslp syz-executor 44867 248870 31429 0 3 0x82 nanoslp syz-executor 37839 79453 31429 0 3 0x82 nanoslp syz-executor 25913 127895 31429 0 3 0x82 nanoslp syz-executor 31429 61595 12491 0 3 0x82 kqread syz-executor 12491 173465 74079 0 3 0x10008a sigsusp ksh 74079 404033 71436 0 3 0x98 kqread sshd-session 71436 216891 6923 0 3 0x92 kqread sshd-session 6923 66836 1 0 3 0x88 kqread sshd 78323 454694 50346 73 3 0x1100090 kqread syslogd 50346 368909 1 0 3 0x100082 sbwait syslogd 61453 44247 1 0 3 0x100080 kqread resolvd 31501 43710 95657 77 3 0x100092 kqread dhcpleased 24437 289136 95657 77 3 0x100092 kqread dhcpleased 95657 354413 1 0 3 0x80 kqread dhcpleased 60614 225314 0 0 3 0x14200 bored smr 51436 98349 0 0 2 0x14200 zerothread 83223 472630 0 0 3 0x14200 aiodoned aiodoned 56221 463450 0 0 3 0x14200 syncer update 4870 107837 0 0 3 0x14200 cleaner cleaner 37616 387389 0 0 3 0x14200 reaper reaper 32088 179954 0 0 3 0x14200 pgdaemon pagedaemon 62832 132637 0 0 3 0x14200 bored viomb 19452 344069 0 0 3 0x40014200 acpi0 acpi0 50155 51814 0 0 2 0x14200 softnet0 62210 454414 0 0 3 0x14200 bored systqmp 59558 495876 0 0 3 0x14200 bored systq 23654 108916 0 0 3 0x40014200 tmoslp softclock 54577 10409 0 0 3 0x40014200 idle0 1 458001 0 0 3 0x80082 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 11103 12238K 13243K 166960K 14106 0 pcb 17 20K 25K 166960K 503 0 rtable 241 11K 11K 166960K 646 0 pf 37 14K 18K 166960K 142 0 ifaddr 39 6K 7K 166960K 104 0 ifgroup 58 2K 2K 166960K 167 0 sysctl 4 1K 9K 166960K 17 0 counters 35 18K 19K 166960K 90 0 ioctlops 0 0K 4K 166960K 546 0 iov 0 0K 24K 166960K 60 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1424 90K 90K 166960K 2868 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 2K 10K 166960K 29 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 73 0 dirhash 12 2K 2K 166960K 33 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 240K 166960K 1376 0 sigio 0 0K 0K 166960K 13 0 proc 60 59K 116K 166960K 679 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 195 0 in_multi 82 6K 7K 166960K 153 0 ether_multi 1 0K 0K 166960K 8 0 mrt 1 0K 0K 166960K 30 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 265 1182K 1182K 166960K 265 0 exec 0 0K 1K 166960K 528 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 4 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 240 156K 168K 166960K 14038 0 UVM aobj 136 15K 15K 166960K 147 0 pinsyscall 39 78K 95K 166960K 2481 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 143 0 NDP 13 0K 2K 166960K 68 0 temp 79 9076K 9144K 166960K 56010 0 kqueue 16 26K 32K 166960K 238 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 120 227 0 224 3 2 1 3 0 8 0 rtentry 136 174 0 85 4 0 4 4 0 8 0 unpcb 144 726 0 709 3 2 1 3 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpqe 32 6 0 6 2 2 0 1 0 8 0 tcpcb 736 420 0 412 10 6 4 7 0 8 3 arp 96 24 0 8 1 0 1 1 0 8 0 ipq 40 4 0 1 1 0 1 1 0 8 0 ipqe 40 6 0 3 1 0 1 1 0 8 0 inpcb 328 1866 0 1854 19 12 7 12 0 8 5 ip6q 72 4 0 2 1 0 1 1 0 8 0 ip6af 40 6 0 4 1 0 1 1 0 8 0 nd6 112 36 0 15 1 0 1 1 0 8 0 pkpcb 40 6 0 6 2 1 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1072 41 0 41 3 2 1 1 0 8 1 pppxif 1416 9 0 9 2 1 1 1 0 8 1 pfstscr 40 3 0 3 2 1 1 1 0 8 1 pffrag 232 22 0 17 1 0 1 1 0 482 0 pffrnode 88 22 0 17 1 0 1 1 0 8 0 pffrent 40 39 0 34 1 0 1 1 0 8 0 pfrktable 1344 1 0 1 1 0 1 1 0 8 1 pfsrclim 320 2 0 2 1 1 0 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 6 0 4 1 0 1 1 0 8 0 pfstkey 128 10 0 4 2 1 1 1 0 8 0 pfstate 384 6 0 5 2 1 1 1 0 8 0 pfrule 1360 7 0 6 3 2 1 1 0 8 0 rttmr 136 3 0 3 3 2 1 1 0 8 1 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 765 0 339 30 3 27 29 0 8 0 art_table 40 769 0 339 5 0 5 5 0 8 0 art_node 32 169 0 89 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 4 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 69 0 59 1 0 1 1 0 8 0 shmpl 112 139 0 10 4 0 4 4 0 8 0 dirhash 1024 33 0 16 3 0 3 3 0 8 0 dino2pl 256 4245 0 2789 92 0 92 92 0 8 0 ffsino 256 4245 0 2789 92 0 92 92 0 8 0 nchpl 144 6121 0 4420 64 0 64 64 0 8 0 rtmask 32 8 0 8 2 1 1 1 0 8 1 vnodes 216 4985 0 0 277 0 277 277 0 8 0 namei 1024 20292 0 20292 4 3 1 2 0 8 1 vcpupl 3904 5 0 1 1 0 1 1 0 8 0 vmpool 808 5 0 1 1 0 1 1 0 8 0 kstatmem 264 98 0 72 3 0 3 3 0 8 0 scsiplug 72 8 0 8 2 2 0 1 0 8 0 scxspl 216 28643 0 28643 11 9 2 8 1 8 2 plimitpl 152 407 0 391 1 0 1 1 0 8 0 sigapl 424 1671 0 1608 9 1 8 8 0 8 0 knotepl 120 331450 0 331393 49 39 10 18 0 8 8 kqueuepl 184 532 0 519 6 3 3 4 0 8 2 pipepl 304 225 0 197 4 1 3 4 0 8 0 fdescpl 448 1631 0 1601 5 1 4 5 0 8 0 filepl 120 11335 0 11115 16 5 11 13 0 8 3 lockfpl 104 583 0 580 1 0 1 1 0 8 0 lockfspl 48 258 0 255 1 0 1 1 0 8 0 sessionpl 144 24 0 16 1 0 1 1 0 8 0 pgrppl 48 53 0 37 1 0 1 1 0 8 0 ucredpl 104 2536 0 2525 1 0 1 1 0 8 0 zombiepl 144 1792 0 1791 2 1 1 1 0 8 0 processpl 1152 1671 0 1608 5 0 5 5 0 8 0 procpl 664 3464 0 3393 8 1 7 7 0 8 0 sosppl 176 10 0 10 2 1 1 1 0 8 1 sockpl 552 2865 0 2833 23 16 7 17 0 8 4 mcl64k 65536 90 0 90 3 2 1 1 0 8 1 mcl16k 16384 19 0 19 3 2 1 1 0 8 1 mcl12k 12288 4 0 4 1 0 1 1 0 8 1 mcl9k 9216 6 0 6 2 1 1 1 0 8 1 mcl8k 8192 98 0 98 3 2 1 1 0 8 1 mcl4k 4096 4233 0 4179 15 7 8 14 0 8 1 mcl2k2 2112 7 0 7 2 1 1 1 0 8 1 mcl2k 2048 1495 0 1489 8 5 3 4 0 8 2 mtagpl 96 44 0 14 1 0 1 1 0 8 0 mbufpl 256 21293 0 21114 77 59 18 75 0 8 1 bufpl 280 10171 0 3957 445 0 445 445 0 8 0 anonpl 24 249573 0 241222 85 0 85 85 0 187 10 amapchunkpl 152 65305 0 64717 45 15 30 37 0 158 7 amappl16 200 5217 0 4956 34 7 27 27 0 8 1 amappl15 192 20 0 20 1 1 0 1 0 8 0 amappl14 184 426 0 425 1 0 1 1 0 8 0 amappl13 176 118 0 108 1 0 1 1 0 8 0 amappl12 168 1877 0 1846 2 0 2 2 0 8 0 amappl11 160 4 0 4 1 1 0 1 0 8 0 amappl10 152 60 0 49 1 0 1 1 0 8 0 amappl9 144 264 0 263 1 0 1 1 0 8 0 amappl8 136 110 0 108 1 0 1 1 0 8 0 amappl7 128 144 0 133 1 0 1 1 0 8 0 amappl6 120 165 0 163 1 0 1 1 0 8 0 amappl5 112 91 0 83 1 0 1 1 0 8 0 amappl4 104 290 0 273 1 0 1 1 0 8 0 amappl3 96 9401 0 9285 4 0 4 4 0 8 0 amappl2 88 541 0 486 2 0 2 2 0 8 0 amappl1 80 14403 0 13847 16 3 13 16 0 8 0 amappl 88 13123 0 12947 6 1 5 5 0 92 0 uvmvnodes 80 148 0 0 4 0 4 4 0 8 0 dma16384 16384 1 0 1 1 1 0 1 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 2 1 1 1 0 8 1 dma128 128 256 0 256 3 2 1 1 0 8 1 dma64 64 8 0 8 2 2 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 72 146 0 11 3 0 3 3 0 8 0 uaddrrnd 24 1631 0 1601 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1631 0 1601 1 0 1 1 0 8 0 vmmpekpl 168 13665 0 13634 2 0 2 2 0 8 0 vmmpepl 168 107426 0 105334 106 4 102 102 0 357 1 vmsppl 368 1630 0 1601 4 1 3 4 0 8 0 rwobjpl 40 29335 0 27951 17 0 17 17 0 8 0 pdppl 4096 3278 0 3208 115 43 72 82 0 8 2 pvpl 32 714065 0 699808 171 9 162 162 0 265 13 pmappl 216 1635 0 1602 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 479 0 141 12 2 10 12 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(ffff800001632730,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff8000017ffe80) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(31e5f,81,2000,ffff80002a78d4d8) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(31e5f,81,2000,ffff80002a78d4d8) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c935b80) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806cbedd98,81,fffffd8007ffd4e0,ffff80002a78d4d8) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8068c27978,ffff80002a78d4d8) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8068c27978,ffff80002a78d4d8) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd8068c27978,ffff80002a78d4d8) at fdrop+0x121 sys/kern/kern_descrip.c:1281 sys_ioctl(ffff80002a78d4d8,ffff80003c935e80,ffff80003c935dd0) at sys_ioctl+0x30a sys/kern/sys_generic.c:520 syscall(ffff80003c935e80) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c935e80) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd49ef6e74e0, count: -11 ddb> machine ddbcpu 1 No such command ddb> trace mtx_enter(18) at mtx_enter+0x6e sys/kern/kern_lock.c:549 clockintr_unbind(ffff800001632730,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff8000017ffe80) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(31e5f,81,2000,ffff80002a78d4d8) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(31e5f,81,2000,ffff80002a78d4d8) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c935b80) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806cbedd98,81,fffffd8007ffd4e0,ffff80002a78d4d8) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8068c27978,ffff80002a78d4d8) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8068c27978,ffff80002a78d4d8) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd8068c27978,ffff80002a78d4d8) at fdrop+0x121 sys/kern/kern_descrip.c:1281 sys_ioctl(ffff80002a78d4d8,ffff80003c935e80,ffff80003c935dd0) at sys_ioctl+0x30a sys/kern/sys_generic.c:520 syscall(ffff80003c935e80) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c935e80) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd49ef6e74e0, count: -11