uvm_fault(0xfffffd8068fefba0, 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 198792 95624 0 0x2 0x1 1 syz-executor dt_ioctl_record_stop(ffff800001586000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff8000fffec028) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000fffec028) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000387f8480) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800b12ec30,81,fffffd80097fb340,ffff8000fffec028) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806bcadc28,ffff8000fffec028) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806bcadc28,ffff8000fffec028) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806bcadc28,ffff8000fffec028) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806bcadc28,ffff8000fffec028) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffec028) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffec028,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffec028,ffff8000387f87f0,ffff8000387f8740) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000387f87f0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000387f87f0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d80ded0ca00, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xfffffd8068fefba0, 0x0, 0, 1) -> e ddb{0}> trace dt_ioctl_record_stop(ffff800001586000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff8000fffec028) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000fffec028) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000387f8480) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800b12ec30,81,fffffd80097fb340,ffff8000fffec028) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806bcadc28,ffff8000fffec028) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806bcadc28,ffff8000fffec028) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806bcadc28,ffff8000fffec028) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806bcadc28,ffff8000fffec028) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffec028) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffec028,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffec028,ffff8000387f87f0,ffff8000387f8740) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000387f87f0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000387f87f0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d80ded0ca00, count: -12 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff8000387f83b0 rbx 0x1 rdx 0 rcx 0xffff8000fffec028 rax 0xffffffff83822498 dt_prov_syscall r8 0 r9 0 r10 0x8576aa4b839acd43 r11 0x21653c53657495f2 r12 0 r13 0 r14 0 r15 0xffff80000164bf00 rip 0xffffffff810e8838 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff8000387f8380 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{0}> show proc PROC (syz-executor) tid=31112 pid=54647 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000fffec028 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a271770,0xffff8000fffecd30 process=0xffff8000fffe8e98 user=0xffff8000387f3000, vmspace=0xfffffd8068fefba0 estcpu=36, cpticks=3, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 8216 384318 98024 0 2 0x82000 syz-executor 8216 167866 98024 0 3 0x4002000 suspend syz-executor 2005 45856 55478 0 2 0 syz-executor 2005 341796 55478 0 3 0x4000080 fsleep syz-executor 59374 389098 2607 0 2 0 syz-executor 72595 426594 94580 0 2 0 syz-executor 72595 357693 94580 0 3 0x4000080 ttyout syz-executor 72595 395533 94580 0 2 0x4000000 syz-executor 7768 216851 11089 0 3 0x80 nanoslp syz-executor 7768 396950 11089 0 3 0x4000080 kqread syz-executor 7768 419584 11089 0 3 0x4000080 fsleep syz-executor 7496 148970 95624 0 3 0x80 nanoslp syz-executor 7496 130854 95624 0 3 0x4000080 ttyout syz-executor 7496 423646 95624 0 3 0x4000080 fsleep syz-executor 67868 50071 0 0 3 0x14280 nfsidl nfsio 81455 14582 0 0 3 0x14280 nfsidl nfsio 18264 481889 0 0 3 0x14280 nfsidl nfsio 69569 255926 0 0 3 0x14280 nfsidl nfsio 77531 8100 92381 0 3 0x82 nanoslp syz-executor 41724 305705 1 0 3 0x100083 ttyin getty 63815 237414 0 0 3 0x14200 bored sosplice 55478 21877 92381 0 3 0x82 nanoslp syz-executor 45847 10141 92381 0 3 0x82 nanoslp syz-executor 2607 514592 92381 0 3 0x82 nanoslp syz-executor 94580 84341 92381 0 3 0x82 nanoslp syz-executor 95624 198792 92381 0 7 0x3 syz-executor 11089 8325 92381 0 3 0x82 nanoslp syz-executor 98024 245944 92381 0 3 0x82 nanoslp syz-executor 92381 274858 53250 0 2 0x2 syz-executor 53250 379604 14180 0 3 0x10008a sigsusp ksh 14180 18479 21422 0 3 0x98 kqread sshd-session 21422 240401 34132 0 3 0x92 kqread sshd-session 34132 76895 1 0 3 0x88 kqread sshd 94395 90108 45533 74 3 0x1100092 bpf pflogd 45533 48532 1 0 3 0x80 sbwait pflogd 22269 74649 20157 73 3 0x1100090 kqread syslogd 20157 218050 1 0 3 0x100082 sbwait syslogd 74446 180679 1 0 3 0x100080 kqread resolvd 46955 421132 88465 77 3 0x100092 kqread dhcpleased 91096 150505 88465 77 3 0x100092 kqread dhcpleased 88465 452084 1 0 3 0x80 kqread dhcpleased 89890 151719 0 0 3 0x14200 bored smr 72462 472489 0 0 2 0x14200 zerothread 37187 266287 0 0 3 0x14200 aiodoned aiodoned 53484 64371 0 0 3 0x14200 syncer update 39598 448382 0 0 3 0x14200 cleaner cleaner 63220 12834 0 0 2 0x14200 reaper 25542 24249 0 0 3 0x14200 pgdaemon pagedaemon 61163 174833 0 0 3 0x14200 bored viomb 89338 422358 0 0 3 0x40014200 acpi0 acpi0 66682 214957 0 0 3 0x40014200 idle1 94303 27781 0 0 3 0x14200 bored softnet1 32083 425595 0 0 3 0x14200 bored softnet0 75144 169831 0 0 3 0x14200 bored systqmp 7708 276422 0 0 3 0x14200 bored systq 617 332594 0 0 3 0x14200 tmoslp softclockmp 12597 226405 0 0 3 0x40014200 tmoslp softclock 22722 74464 0 0 3 0x40014200 idle0 1 164260 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10221 11081K 12380K 166960K 12354 0 pcb 17 16K 18K 166960K 426 0 rtable 244 12K 12K 166960K 1344 0 pf 37 18K 67486K 166960K 175 0 ifaddr 39 6K 7K 166960K 104 0 ifgroup 58 2K 3K 166960K 179 0 sysctl 4 1K 9K 166960K 16 0 counters 68 36K 38K 166960K 218 0 ioctlops 0 0K 4K 166960K 1811 0 iov 0 0K 24K 166960K 114 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1467 92K 93K 166960K 2224 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 616K 620K 166960K 28 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 34 0 dirhash 12 2K 3K 166960K 45 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 240K 166960K 1249 0 sigio 0 0K 0K 166960K 28 0 proc 72 115K 164K 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 214 0 in_multi 85 6K 7K 166960K 171 0 ether_multi 1 0K 0K 166960K 16 0 mrt 0 0K 0K 166960K 12 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 103 466K 466K 166960K 103 0 exec 0 0K 1K 166960K 550 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 21 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 253 144K 158K 166960K 13161 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 43 86K 101K 166960K 2412 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 58 0 NDP 12 0K 2K 166960K 75 0 temp 76 8656K 8912K 166960K 30766 0 kqueue 14 20K 33K 166960K 235 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> 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 120 138 0 135 1 0 1 1 0 8 0 rtentry 176 546 0 451 6 0 6 6 0 8 0 unpcb 144 808 0 791 7 1 6 6 0 8 5 syncache 336 7 0 7 3 2 1 1 0 8 1 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 428 0 421 13 9 4 7 0 8 3 arp 136 159 0 138 1 0 1 1 0 8 0 inpcb 328 1435 0 1424 14 7 7 7 0 8 6 nd6 152 32 0 8 1 0 1 1 0 8 0 pkpcb 40 76 0 76 4 3 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 1192 62 0 62 1 0 1 1 0 8 1 pppxif 1504 6 0 6 2 1 1 1 0 8 1 pfstscr 40 2 0 2 1 1 0 1 0 8 0 pffrag 232 13 0 3 1 0 1 1 0 482 0 pffrnode 88 10 0 1 1 0 1 1 0 8 0 pffrent 40 53 0 43 1 0 1 1 0 8 0 pfosfp 40 1493 0 1069 5 0 5 5 0 8 0 pfosfpen 112 1493 0 777 21 0 21 21 0 8 0 pfrktable 1344 1 0 1 1 0 1 1 0 8 1 pfanchor 1288 5 0 0 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 79 0 24 1 0 1 1 0 8 0 pfstkey 128 81 0 26 2 0 2 2 0 8 0 pfstate 384 80 0 25 6 0 6 6 0 8 0 pfrule 1344 29 0 22 2 1 1 2 0 8 0 rttmr 136 3 0 3 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 1020 0 631 50 16 34 45 0 8 8 art_table 40 1022 0 631 8 0 8 8 0 8 2 art_node 32 543 0 460 3 0 3 3 0 8 0 sysvmsgpl 40 5 0 3 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 31 0 21 1 0 1 1 0 8 0 dirhash 1024 41 0 24 3 0 3 3 0 8 0 dino2pl 256 3706 0 2207 96 0 96 96 0 8 0 ffsino 296 3706 0 2207 118 0 118 118 0 8 0 nchpl 144 5442 0 3738 64 0 64 64 0 8 0 rtmask 32 15 0 15 3 2 1 1 0 8 1 vnodes 216 4202 0 0 234 0 234 234 0 8 0 namei 1024 19130 0 19130 3 2 1 2 0 8 1 percpumem 16 124 0 75 1 0 1 1 0 8 0 kstatmem 264 116 0 88 3 0 3 3 0 8 1 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 3 0 3 2 1 1 1 0 8 1 scxspl 216 31760 0 31760 10 8 2 8 1 8 2 plimitpl 152 316 0 297 1 0 1 1 0 8 0 sigapl 424 1559 0 1506 8 1 7 7 0 8 0 knotepl 120 555 0 0 17 0 17 17 0 8 0 kqueuepl 224 489 0 479 6 1 5 5 0 8 4 pipepl 344 319 0 291 9 6 3 9 0 8 0 fdescpl 528 1532 0 1500 3 0 3 3 0 8 0 filepl 160 10159 0 9932 20 4 16 16 0 8 3 lockfpl 104 346 0 344 2 1 1 2 0 8 0 lockfspl 48 117 0 115 1 0 1 1 0 8 0 sessionpl 144 28 0 19 1 0 1 1 0 8 0 pgrppl 48 57 0 40 1 0 1 1 0 8 0 ucredpl 104 1681 0 1668 1 0 1 1 0 8 0 zombiepl 144 1508 0 1506 1 0 1 1 0 8 0 processpl 1232 1559 0 1506 6 1 5 5 0 8 0 procpl 664 3526 0 3464 7 0 7 7 0 8 1 sosppl 168 10 0 10 2 1 1 1 0 8 1 sockpl 752 2477 0 2445 29 12 17 17 0 8 13 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 117 0 0 15 0 15 15 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 43 0 0 5 0 5 5 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 350 0 0 21 0 21 21 0 8 0 bufpl 280 12850 0 6713 439 0 439 439 0 8 0 anonpl 32 15499 0 0 125 0 125 125 0 246 0 amapchunkpl 152 45080 0 44507 48 9 39 39 0 158 12 amappl16 200 5329 0 5288 51 35 16 32 0 8 8 amappl15 192 38 0 38 2 2 0 1 0 8 0 amappl14 184 9 0 9 1 1 0 1 0 8 0 amappl13 176 466 0 464 1 0 1 1 0 8 0 amappl12 168 1930 0 1887 3 0 3 3 0 8 0 amappl11 160 7 0 7 2 2 0 1 0 8 0 amappl10 152 122 0 108 1 0 1 1 0 8 0 amappl9 144 265 0 265 1 1 0 1 0 8 0 amappl8 136 41 0 37 1 0 1 1 0 8 0 amappl7 128 86 0 83 1 0 1 1 0 8 0 amappl6 120 297 0 283 1 0 1 1 0 8 0 amappl5 112 82 0 71 1 0 1 1 0 8 0 amappl4 104 447 0 416 1 0 1 1 0 8 0 amappl3 96 7686 0 7589 4 1 3 3 0 8 0 amappl2 88 1674 0 1596 2 0 2 2 0 8 0 amappl1 80 14549 0 13953 15 1 14 15 0 8 0 amappl 88 12193 0 12014 5 0 5 5 0 92 0 uvmvnodes 80 4202 0 0 86 0 86 86 0 8 0 dma16384 16384 1 0 1 1 0 1 1 0 8 1 dma8192 8192 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 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 7 0 7 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1532 0 1500 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1532 0 1500 1 0 1 1 0 8 0 vmmpekpl 168 14445 0 14406 3 1 2 3 0 8 0 vmmpepl 168 103564 0 101561 116 11 105 112 0 357 4 vmsppl 488 1531 0 1500 7 2 5 5 0 8 0 rwobjpl 80 33341 0 28178 115 3 112 112 0 8 2 pdppl 4096 3072 0 3000 106 34 72 84 0 8 0 pvpl 32 23854 0 0 192 0 192 192 0 265 0 pmappl 256 1531 0 1500 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 329 0 67 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace dt_ioctl_record_stop(ffff800001586000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff8000fffec028) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000fffec028) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000387f8480) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800b12ec30,81,fffffd80097fb340,ffff8000fffec028) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806bcadc28,ffff8000fffec028) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806bcadc28,ffff8000fffec028) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806bcadc28,ffff8000fffec028) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806bcadc28,ffff8000fffec028) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffec028) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffec028,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffec028,ffff8000387f87f0,ffff8000387f8740) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000387f87f0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000387f87f0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d80ded0ca00, count: -12 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299edff0) 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 __mp_lock(ffffffff838b9b90) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838b9b90) at __mp_lock+0x192 sys/kern/kern_lock.c:165 ktrstruct(ffff8000ffffc7d0,ffffffff833f0b5f,ffff80002a33e6d0,10) at ktrstruct+0xdf sys/kern/kern_ktrace.c:313 sys_nanosleep(ffff8000ffffc7d0,ffff80002a33e810,ffff80002a33e760) at sys_nanosleep+0x108 sys/kern/kern_time.c:294 syscall(ffff80002a33e810) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a33e810) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7dbc71f6c600, count: 7 ddb{1}> trace x86_ipi_db(ffff8000299edff0) 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 __mp_lock(ffffffff838b9b90) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838b9b90) at __mp_lock+0x192 sys/kern/kern_lock.c:165 ktrstruct(ffff8000ffffc7d0,ffffffff833f0b5f,ffff80002a33e6d0,10) at ktrstruct+0xdf sys/kern/kern_ktrace.c:313 sys_nanosleep(ffff8000ffffc7d0,ffff80002a33e810,ffff80002a33e760) at sys_nanosleep+0x108 sys/kern/kern_time.c:294 syscall(ffff80002a33e810) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a33e810) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7dbc71f6c600, count: -8