kernel: protection fault trap, code=0 Stopped at __x86_indirect_thunk_r11+0x14: ret ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 spec_write(ffff80003c43f520) at spec_write+0x120 sys/kern/spec_vnops.c:302 VOP_WRITE(fffffd806a7e76e8,ffff80003c43f6c8,1,fffffd807f7d3270) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_write(fffffd806be527c0,ffff80003c43f6c8,0) at vn_write+0x1d4 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000ffff22a0,5,ffff80003c43f6c8,0,ffff80003c43f780) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_write(ffff8000ffff22a0,ffff80003c43f830,ffff80003c43f780) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c43f830) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c43f830) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf8a3e39fc50, count: -8 ddb{1}> show registers rdi 0xffff800001494000 rsi 0xfffffd80693bcc00 rbp 0xffff80003c43f470 rbx 0 rdx 0xffff80003c43f310 rcx 0 rax 0 r8 0 r9 0x1 r10 0x2e318705847d066c r11 0xd8c3900000000 r12 0 r13 0xffff800001494000 r14 0xffff8000014fd000 r15 0xffff8000014fd0c8 rip 0xffffffff816ed304 __x86_indirect_thunk_r11+0x14 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c43f300 ss 0x10 __x86_indirect_thunk_r11+0x14: ret ddb{1}> show proc PROC (syz-executor) tid=358092 pid=8875 tcnt=2 stat=onproc flags process=1000 proc=4080000 runpri=32, usrpri=54, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000ffff2a50 scnt=1 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff2a50,0xffff80002a2f6800 process=0xffff80003c4edc18 user=0xffff80003c43a000, vmspace=0xfffffd806bd6f3e0 estcpu=4, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 40856 58116 78032 0 2 0 syz-executor 40856 4515 78032 0 2 0x4000000 syz-executor 72831 30102 48986 0 3 0x2 kmmaplk syz-executor 7246 273108 4855 0 3 0x2 smrbar ifconfig 32417 111984 59644 0 2 0 syz-executor 32417 502922 59644 0 3 0x4000080 fsleep syz-executor 32417 9786 59644 0 3 0x4000080 kqread syz-executor 32417 366910 59644 0 3 0x4000080 fsleep syz-executor 4855 76257 18158 0 3 0x10008a sigsusp sh 18158 301550 48986 0 3 0x82 wait syz-executor 76419 36056 48986 0 3 0x82 piperd syz-executor 78032 69785 48986 0 2 0x3 syz-executor 10396 235786 48986 0 2 0x3 syz-executor 59644 428428 48986 0 2 0x2 syz-executor 8875 263844 1 0 3 0x3000 suspend syz-executor * 8875 358092 1 0 7 0x4081000 syz-executor 55577 67266 1 0 3 0x100083 ttyin getty 55522 144422 48986 0 3 0x82 wait syz-executor 92013 33220 0 0 3 0x14200 bored sosplice 48986 498151 610 0 3 0x82 nanoslp syz-executor 610 251731 17894 0 3 0x10008a sigsusp ksh 17894 400644 48854 0 3 0x98 kqread sshd-session 48854 473027 60268 0 3 0x92 kqread sshd-session 60268 341942 1 0 3 0x88 kqread sshd 49470 30286 22039 74 3 0x1100092 bpf pflogd 22039 305241 1 0 3 0x80 sbwait pflogd 22814 289578 49202 73 3 0x1100090 kqread syslogd 49202 310304 1 0 3 0x100082 sbwait syslogd 16598 354418 1 0 3 0x100080 kqread resolvd 57160 212452 16846 77 2 0x100012 dhcpleased 761 297182 16846 77 3 0x100092 kqread dhcpleased 16846 192140 1 0 3 0x80 kqread dhcpleased 38748 170734 0 0 3 0x14200 bored smr 87197 199264 0 0 2 0x14200 zerothread 6824 52204 0 0 3 0x14200 aiodoned aiodoned 18932 355923 0 0 3 0x14200 syncer update 66519 155740 0 0 3 0x14200 cleaner cleaner 85636 298382 0 0 2 0x14200 reaper 7458 424901 0 0 3 0x14200 pgdaemon pagedaemon 25676 298574 0 0 3 0x14200 bored viomb 86473 161705 0 0 3 0x40014200 acpi0 acpi0 60784 340773 0 0 3 0x40014200 idle1 82055 460017 0 0 3 0x14200 bored softnet3 29922 105186 0 0 3 0x14200 bored softnet2 60136 151745 0 0 3 0x14200 bored softnet1 17979 188752 0 0 3 0x14200 bored softnet0 20983 295194 0 0 2 0x14200 systqmp 70384 158139 0 0 3 0x14200 bored systq 60418 405317 0 0 3 0x14200 tmoslp softclockmp 40908 427362 0 0 7 0x40014200 softclock 24382 498386 0 0 3 0x40014200 idle0 1 82597 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 40856 (syz-executor) thread 0xffff8000ffff2f70 (4515) exclusive rrwlock inode r = 0 (0xfffffd8073856e30) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 sys_utimensat+0x168 doutimensat sys/kern/vfs_syscalls.c:2695 [inline] #7 sys_utimensat+0x168 sys/kern/vfs_syscalls.c:2676 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 7246 (ifconfig) thread 0xffff80003b40d4b8 (273108) exclusive rwlock clonelk r = 0 (0xffffffff8382b838) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 if_clone_destroy+0x67 sys/net/if.c:-1 #3 ifioctl+0x5c5 sys/net/if.c:-1 #4 sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 #5 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 Process 8875 (syz-executor) thread 0xffff8000ffff22a0 (358092) exclusive rwlock netlock r = 0 (0xffffffff8382b920) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 bpfwrite+0x313 sys/net/bpf.c:681 #3 spec_write+0x120 sys/kern/spec_vnops.c:302 #4 VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 #5 vn_write+0x1d4 sys/kern/vfs_vnops.c:408 #6 dofilewritev+0x23c sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83947408) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x24f sys/kern/kern_synch.c:412 #4 rw_do_enter_write+0x1de sys/kern/kern_rwlock.c:292 #5 bpfwrite+0x313 sys/net/bpf.c:681 #6 spec_write+0x120 sys/kern/spec_vnops.c:302 #7 VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 #8 vn_write+0x1d4 sys/kern/vfs_vnops.c:408 #9 dofilewritev+0x23c sys/kern/sys_generic.c:380 #10 sys_write+0xa2 sys/kern/sys_generic.c:300 #11 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 Process 85636 (reaper) thread 0xffff8000ffffcf68 (298382) exclusive rwlock kmmaplk r = 0 (0xffffffff83a0c5a8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5250 #3 uvm_unmap+0x81 sys/uvm/uvm_map.c:1792 #4 km_free+0x87 sys/uvm/uvm_km.c:831 #5 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:285 #6 reaper+0x1fe sys/kern/kern_exit.c:467 #7 proc_trampoline+0x10 Process 40908 (softclock) thread 0xffff8000ffffecd0 (427362) shared rwlock timeout r = 0 (0xffffffff8387e5a8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 timeout_run+0xf1 sys/kern/kern_timeout.c:658 #2 softclock_thread+0x163 sys/kern/kern_timeout.c:810 #3 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10231 11103K 11433K 166960K 13533 0 pcb 17 17K 19K 166960K 350 0 rtable 152 6K 9K 166960K 657 0 pf 34 17K 82K 166960K 149 0 ifaddr 32 5K 7K 166960K 107 0 ifgroup 51 2K 2K 166960K 183 0 sysctl 4 1K 3K 166960K 8 0 counters 62 36K 37K 166960K 162 0 ioctlops 0 0K 4K 166960K 1696 0 iov 0 0K 16K 166960K 171 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1433 90K 90K 166960K 3242 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 9K 166960K 33 0 VM map 2 1K 1K 166960K 2 0 sem 24 5K 5K 166960K 30 0 dirhash 12 2K 2K 166960K 48 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 19 69K 240K 166960K 1670 0 sigio 0 0K 0K 166960K 89 0 proc 82 115K 128K 166960K 843 0 subproc 85 5K 6K 166960K 419 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 262 0 in_multi 52 3K 7K 166960K 200 0 ether_multi 1 0K 0K 166960K 18 0 mrt 1 0K 0K 166960K 13 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 223 996K 996K 166960K 223 0 exec 0 0K 1K 166960K 650 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 281 194K 203K 166960K 15989 0 UVM aobj 79 5K 5K 166960K 80 0 pinsyscall 44 88K 104K 166960K 2877 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 79 0 NDP 13 0K 2K 166960K 76 0 temp 88 8692K 8948K 166960K 72072 0 kqueue 14 22K 30K 166960K 239 0 SYN cache 2 10K 18K 166960K 3 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 120 297 0 294 3 2 1 3 0 8 0 rtentry 176 195 0 132 6 0 6 6 0 8 2 unpcb 144 901 0 882 3 1 2 2 0 8 0 syncache 336 5 0 5 2 2 0 1 0 8 0 tcpcb 808 537 0 532 18 17 1 11 0 8 0 arp 128 33 0 20 1 0 1 1 0 8 0 inpcb 384 1771 0 1761 14 12 2 11 0 8 0 nd6 144 47 0 34 1 0 1 1 0 8 0 pkpcb 40 7 0 7 2 2 0 1 0 8 0 kcovpl 48 46 0 37 1 0 1 1 0 8 0 mppekey 1024 3 0 3 1 1 0 1 0 8 0 ppxss 1192 29 0 29 2 1 1 1 0 8 1 pppxif 1504 3 0 3 3 3 0 1 0 8 0 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 6 0 2 1 0 1 1 0 482 0 pffrnode 88 6 0 2 1 0 1 1 0 8 0 pffrent 40 10 0 6 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 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 107 0 32 1 0 1 1 0 8 0 pfstkey 128 109 0 34 3 0 3 3 0 8 0 pfstate 384 107 0 33 8 0 8 8 0 8 0 pfrule 1344 24 0 18 2 1 1 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 754 0 516 30 10 20 29 0 8 3 art_table 32 757 0 516 4 0 4 4 0 8 0 art_node 16 192 0 138 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 6 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 25 0 3 1 0 1 1 0 8 0 shmpl 112 77 0 1 3 0 3 3 0 8 0 dirhash 1024 42 0 25 3 0 3 3 0 8 0 dino2pl 256 4372 0 2823 98 0 98 98 0 8 0 ffsino 288 4372 0 2823 111 0 111 111 0 8 0 nchpl 144 6467 0 4724 65 0 65 65 0 8 0 rtmask 32 1 0 1 1 1 0 1 0 8 0 uvmvnodes 80 5634 0 0 115 0 115 115 0 8 0 vnodes 216 5635 0 0 314 0 314 314 0 8 0 namei 1024 22160 0 22159 3 2 1 2 0 8 0 percpumem 16 96 0 50 1 0 1 1 0 8 0 kstatmem 264 98 0 76 3 1 2 3 0 8 0 scsiplug 72 6 0 6 4 3 1 1 0 8 1 scxspl 216 19429 0 19429 12 11 1 8 1 8 1 plimitpl 152 285 0 265 1 0 1 1 0 8 0 sigapl 424 1902 0 1850 9 1 8 9 0 8 0 futexpl 64 20822 0 20820 1 0 1 1 0 8 0 knotepl 120 547 0 0 17 0 17 17 0 8 0 kqueuepl 224 576 0 566 7 6 1 5 0 8 0 pipepl 336 449 0 421 3 0 3 3 0 8 0 fdescpl 520 1860 0 1827 3 0 3 3 0 8 0 filepl 160 12246 0 12011 18 4 14 16 0 8 2 lockfpl 104 610 0 607 2 0 2 2 0 8 1 lockfspl 48 265 0 262 1 0 1 1 0 8 0 sessionpl 144 58 0 49 1 0 1 1 0 8 0 pgrppl 48 122 0 102 1 0 1 1 0 8 0 ucredpl 104 1986 0 1972 1 0 1 1 0 8 0 zombiepl 144 1901 0 1895 1 0 1 1 0 8 0 processpl 1192 1902 0 1850 6 0 6 6 0 8 1 procpl 656 4197 0 4138 9 1 8 8 0 8 0 srpgc 96 18 0 17 4 3 1 1 0 8 0 sosppl 168 2 0 2 1 1 0 1 0 8 0 sockpl 728 3033 0 3001 15 10 5 12 0 8 1 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 120 1 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 31 860 20 3 0 3 3 0 8 1 mtagpl 96 39 0 0 1 0 1 1 0 8 0 mbufpl 256 1184 0 0 74 0 74 74 0 8 0 bufpl 280 5486 0 138 382 0 382 382 0 8 0 anonpl 32 7999 0 0 65 0 65 65 0 246 0 amapchunkpl 152 52514 0 51916 34 8 26 28 0 158 0 amappl16 200 4787 0 4748 41 29 12 15 0 8 8 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 122 0 110 1 0 1 1 0 8 0 amappl13 176 3 0 3 2 2 0 1 0 8 0 amappl12 168 2621 0 2588 4 1 3 3 0 8 1 amappl11 160 54 0 40 1 0 1 1 0 8 0 amappl10 152 21 0 21 1 1 0 1 0 8 0 amappl9 144 251 0 250 2 1 1 1 0 8 0 amappl8 136 25 0 22 1 0 1 1 0 8 0 amappl7 128 123 0 109 1 0 1 1 0 8 0 amappl6 120 225 0 220 1 0 1 1 0 8 0 amappl5 112 147 0 136 1 0 1 1 0 8 0 amappl4 104 368 0 347 1 0 1 1 0 8 0 amappl3 96 10737 0 10608 4 0 4 4 0 8 0 amappl2 88 714 0 648 2 0 2 2 0 8 0 amappl1 80 15026 0 14410 15 1 14 15 0 8 0 amappl 88 14922 0 14719 6 1 5 5 0 92 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 128 257 0 257 4 3 1 1 0 8 1 dma64 64 8 0 8 3 3 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 79 0 1 2 0 2 2 0 8 0 uaddrrnd 24 1860 0 1827 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1860 0 1827 1 0 1 1 0 8 0 vmmpekpl 168 16727 0 16647 4 0 4 4 0 8 0 vmmpepl 168 121184 0 119088 117 15 102 103 0 357 6 vmsppl 480 1859 0 1827 8 3 5 5 0 8 0 rwobjpl 72 36710 0 29942 124 0 124 124 0 8 0 pdppl 4096 3728 0 3654 120 42 78 86 0 8 4 pvpl 32 15886 0 0 129 1 128 128 0 265 0 pmappl 256 1859 0 1827 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 493 0 76 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff8388bff0) 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(ffffffff83947200) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83947200) at __mp_lock+0x192 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff83947200,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 sleep_finish(0,1) at sleep_finish+0x24f sys/kern/kern_synch.c:412 rw_do_enter_write(ffffffff8382b908,0) at rw_do_enter_write+0x1de sys/kern/kern_rwlock.c:292 nd6_timer(0) at nd6_timer+0x51 sys/netinet6/nd6.c:272 timeout_run(ffffffff839699b0) at timeout_run+0x118 sys/kern/kern_timeout.c:-1 softclock_thread(ffff8000ffffecd0) at softclock_thread+0x163 sys/kern/kern_timeout.c:810 end trace frame: 0x0, count: -11 ddb{0}> machine ddbcpu 1 Stopped at __x86_indirect_thunk_r11+0x14: ret ddb{1}> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 spec_write(ffff80003c43f520) at spec_write+0x120 sys/kern/spec_vnops.c:302 VOP_WRITE(fffffd806a7e76e8,ffff80003c43f6c8,1,fffffd807f7d3270) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_write(fffffd806be527c0,ffff80003c43f6c8,0) at vn_write+0x1d4 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000ffff22a0,5,ffff80003c43f6c8,0,ffff80003c43f780) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_write(ffff8000ffff22a0,ffff80003c43f830,ffff80003c43f780) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c43f830) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c43f830) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf8a3e39fc50, count: -8