kernel: protection fault trap, code=0 Stopped at ktrops+0x58: movq 0x8(%r14),%r14 ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace ktrops(ffff800036b99978,deafbeaddeafbead,0,80000210,fffffd8060d7e538,fffffd807f7d36e8) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff800036b99978,deafbeaddeafbead,0,80000210,fffffd8060d7e538,fffffd807f7d36e8) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd8060d7e538,4,210,0,ffff800036b99978) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8060d7e538,4,210,0,ffff800036b99978) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff800036b99978,ffff8000371ef3b0,ffff8000371ef300) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff8000371ef3b0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371ef3b0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8ba50109a00, count: -5 ddb{1}> show registers rdi 0xffff80002c169000 rsi 0x1105 __ALIGN_SIZE+0x105 rbp 0xffff8000371ef0d0 rbx 0xfffffd807f7d36e8 rdx 0xffff80002c169000 rcx 0x1104 __ALIGN_SIZE+0x104 rax 0xffffffff81072f03 ktrops+0x43 r8 0xfffffd8060d7e538 r9 0xfffffd807f7d36e8 r10 0x3fa39b243347e4ef r11 0xcf1043adab26299d r12 0xffff800036b99978 r13 0xdeafbeaddeafbead r14 0xdeafbeaddeafbead r15 0x80000210 __kernel_virt_to_phys+0x210 rip 0xffffffff81072f18 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000371ef050 ss 0x10 ktrops+0x58: movq 0x8(%r14),%r14 ddb{1}> show proc PROC (syz-executor) tid=141074 pid=52117 tcnt=2 stat=onproc flags process=8000000 proc=4000000 runpri=17, usrpri=86, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800036b98cd0,0xffff8000ffff7980 process=0xffff800036b9cda0 user=0xffff8000371ea000, vmspace=0xfffffd8066b9f6e8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 28772 179784 58494 0 2 0x8000000 syz-executor 28772 329813 58494 0 3 0xc000080 fsleep syz-executor 51890 178699 98136 0 2 0x8000000 syz-executor 51890 450876 98136 0 3 0xc000080 sbwait syz-executor 5258 276151 22015 0 2 0x8000000 syz-executor 5258 143247 22015 0 3 0xc000080 fsleep syz-executor 52117 101100 15549 0 2 0x8000000 syz-executor *52117 141074 15549 0 7 0xc000000 syz-executor 13871 346740 48055 60928 3 0x8000090 nanoslp syz-executor 13871 469769 48055 60928 3 0xc000090 msgwait syz-executor 13871 493369 48055 60928 3 0xc000090 kqsel syz-executor 13871 507645 48055 60928 3 0xc000090 kqsel syz-executor 13871 445822 48055 60928 3 0xc000090 fsleep syz-executor 58494 136242 65433 0 3 0x8000082 nanoslp syz-executor 22015 338545 65433 0 3 0x8000082 nanoslp syz-executor 15549 208365 65433 0 3 0x8000082 nanoslp syz-executor 6359 47376 65433 0 7 0x8000002 syz-executor 60200 522738 65433 0 2 0x8000002 syz-executor 98136 107039 65433 0 3 0x8000082 nanoslp syz-executor 27433 509576 65433 0 3 0x8000002 biowait syz-executor 48055 207248 65433 0 3 0x8000082 nanoslp syz-executor 65433 162565 11297 0 2 0x8000082 syz-executor 11297 443985 11689 0 3 0x810008a sigsusp ksh 11689 283040 60747 0 3 0x18000098 kqread sshd-session 60747 143016 98623 0 3 0x18000092 kqread sshd-session 94988 149934 1 0 3 0x18100083 ttyin getty 98623 136561 1 0 3 0x18000088 kqread sshd 70490 358849 8913 74 3 0x19100092 bpf pflogd 8913 254882 1 0 3 0x18000080 sbwait pflogd 76123 315583 15196 73 3 0x19100090 kqread syslogd 15196 307158 1 0 3 0x18100082 sbwait syslogd 92550 517847 1 0 3 0x18100080 kqread resolvd 99344 512589 2943 77 3 0x18100092 kqread dhcpleased 88296 506680 2943 77 3 0x18100092 kqread dhcpleased 2943 311886 1 0 3 0x18000080 kqread dhcpleased 2727 170117 0 0 3 0x14200 bored smr 66689 156617 0 0 2 0x14200 zerothread 28210 155507 0 0 3 0x14200 aiodoned aiodoned 13801 420523 0 0 3 0x14200 syncer update 38844 428206 0 0 3 0x14200 cleaner cleaner 94800 439458 0 0 3 0x14200 reaper reaper 40347 432015 0 0 3 0x14200 pgdaemon pagedaemon 46119 363628 0 0 3 0x14200 bored viomb 4673 312093 0 0 3 0x40014200 acpi0 acpi0 2051 459692 0 0 3 0x40014200 idle1 49552 485809 0 0 3 0x14200 bored softnet3 80083 267200 0 0 3 0x14200 bored softnet2 28741 298352 0 0 3 0x14200 bored softnet1 60546 261648 0 0 3 0x14200 bored softnet0 7051 321341 0 0 3 0x14200 bored systqmp 5328 114346 0 0 3 0x14200 bored systq 57982 368352 0 0 3 0x14200 tmoslp softclockmp 85469 281189 0 0 3 0x40014200 tmoslp softclock 85295 513792 0 0 3 0x40014200 idle0 1 152166 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 52117 (syz-executor) thread 0xffff800036b99978 (141074) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff836099a8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 __mp_acquire_count+0x58 #2 mi_switch+0x658 sys/kern/sched_bsd.c:460 #3 sleep_finish+0x219 sys/kern/kern_synch.c:416 #4 getblk+0x197 sys/kern/vfs_bio.c:1025 #5 bread+0x47 bio_doread sys/kern/vfs_bio.c:430 [inline] #5 bread+0x47 sys/kern/vfs_bio.c:475 #6 ffs_update+0x198 sys/ufs/ffs/ffs_inode.c:91 #7 ufs_inactive+0x2e2 sys/ufs/ufs/ufs_inode.c:95 #8 VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 #9 vrele+0x129 sys/kern/vfs_subr.c:827 #10 ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122 #11 ktrops+0x271 sys/kern/kern_ktrace.c:564 #12 doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] #12 doktrace+0x6dd sys/kern/kern_ktrace.c:508 #13 sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 #14 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #14 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #15 Xsyscall+0x128 Process 60200 (syz-executor) thread 0xffff8000ffff6f50 (522738) exclusive rrwlock inode r = 0 (0xfffffd80607b0d68) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:120 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3100 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c557e78) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3085 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 27433 (syz-executor) thread 0xffff8000ffffd1c8 (509576) exclusive rrwlock inode r = 0 (0xfffffd80607b0f88) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vget+0x2bd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x171 sys/ufs/ufs/ufs_ihash.c:95 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c5570a8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10204 10353K 10740K 166960K 11328 0 pcb 17 12K 12K 166960K 24 0 rtable 216 7K 8K 166960K 370 0 pf 37 18K 22K 166960K 59 0 ifaddr 41 6K 7K 166960K 46 0 ifgroup 59 2K 2K 166960K 59 0 counters 66 36K 36K 166960K 66 0 ioctlops 0 0K 4K 166960K 1490 0 iov 0 0K 2K 166960K 2 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1370 86K 86K 166960K 1413 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 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 15 53K 93K 166960K 161 0 proc 69 91K 128K 166960K 534 0 subproc 104 6K 6K 166960K 104 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 in_multi 88 6K 6K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 55 254K 254K 166960K 55 0 exec 0 0K 1K 166960K 365 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 224 72K 77K 166960K 3021 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 40 80K 104K 166960K 1240 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 1 0 NDP 27 1K 1K 166960K 29 0 temp 37 6802K 6866K 166960K 4030 0 kqueue 13 20K 22K 166960K 28 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 38 0 35 1 0 1 1 0 8 0 rtentry 112 111 0 12 3 0 3 3 0 8 0 unpcb 144 135 0 113 4 0 4 4 0 8 2 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 808 14 0 8 1 0 1 1 0 8 0 arp 120 18 0 2 1 0 1 1 0 8 0 inpcb 336 86 0 76 2 0 2 2 0 8 0 nd6 136 24 0 3 1 0 1 1 0 8 0 kcovpl 48 8 0 0 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 pfrktable 1344 3 0 3 1 0 1 1 0 8 1 pfanchor 1288 3 0 3 1 0 1 1 0 8 1 pftag 88 1 0 0 1 0 1 1 0 8 0 pfqueue 264 1 0 0 1 0 1 1 0 8 0 pfstitem 24 19 0 0 1 0 1 1 0 8 0 pfstkey 128 19 0 0 1 0 1 1 0 8 0 pfstate 376 19 0 0 2 0 2 2 0 8 0 pfrule 1344 22 0 16 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 452 0 44 26 0 26 26 0 8 0 art_table 32 453 0 44 4 0 4 4 0 8 0 art_node 16 110 0 20 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1604 0 96 95 0 95 95 0 8 0 ffsino 272 1604 0 96 102 0 102 102 0 8 0 nchpl 144 1829 0 148 63 0 63 63 0 8 0 uvmvnodes 80 1742 0 0 36 0 36 36 0 8 0 vnodes 216 1742 0 0 97 0 97 97 0 8 0 namei 1024 5802 0 5801 2 0 2 2 0 8 1 percpumem 16 47 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 1 1 0 1 1 0 8 1 kstatmem 264 26 0 0 2 0 2 2 0 8 0 scxspl 216 5321 0 5320 3 1 2 2 1 8 1 plimitpl 152 34 0 16 1 0 1 1 0 8 0 sigapl 424 463 0 416 8 1 7 7 0 8 1 futexpl 64 545 0 542 1 0 1 1 0 8 0 knotepl 120 255 0 0 8 0 8 8 0 8 0 kqueuepl 216 30 0 19 1 0 1 1 0 8 0 pipepl 320 106 0 79 3 0 3 3 0 8 0 fdescpl 496 444 0 415 5 0 5 5 0 8 0 filepl 152 1762 0 1509 15 0 15 15 0 8 4 lockfpl 104 16 0 14 1 0 1 1 0 8 0 lockfspl 48 8 0 6 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 31 0 14 1 0 1 1 0 8 0 ucredpl 104 87 0 73 1 0 1 1 0 8 0 zombiepl 144 416 0 416 1 0 1 1 0 8 1 processpl 1152 463 0 416 5 0 5 5 0 8 1 procpl 648 508 0 453 7 1 6 6 0 8 0 srpgc 96 2 0 2 1 0 1 1 0 8 1 sockpl 664 259 0 224 8 0 8 8 0 8 4 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 236 0 0 30 0 30 30 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 240 0 0 15 0 15 15 0 8 0 bufpl 280 2246 0 94 154 0 154 154 0 8 0 anonpl 24 130580 0 127323 26 1 25 25 0 185 3 amapchunkpl 152 9515 0 9063 21 0 21 21 0 158 1 amappl16 200 3243 0 3226 5 0 5 5 0 8 4 amappl15 192 8 0 8 1 0 1 1 0 8 1 amappl14 184 113 0 101 1 0 1 1 0 8 0 amappl13 176 31 0 31 1 0 1 1 0 8 1 amappl12 168 1134 0 1105 3 1 2 2 0 8 0 amappl11 160 56 0 42 1 0 1 1 0 8 0 amappl10 152 15 0 14 1 0 1 1 0 8 0 amappl9 144 143 0 143 1 0 1 1 0 8 1 amappl8 136 37 0 35 1 0 1 1 0 8 0 amappl7 128 110 0 98 1 0 1 1 0 8 0 amappl6 120 168 0 167 1 0 1 1 0 8 0 amappl5 112 128 0 117 1 0 1 1 0 8 0 amappl4 104 312 0 295 1 0 1 1 0 8 0 amappl3 96 1809 0 1719 3 0 3 3 0 8 0 amappl2 88 656 0 581 2 0 2 2 0 8 0 amappl1 80 7910 0 7331 14 0 14 14 0 8 0 amappl 88 2652 0 2493 5 0 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 128 253 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 444 0 415 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 444 0 415 1 0 1 1 0 8 0 vmmpekpl 168 5754 0 5719 2 0 2 2 0 8 0 vmmpepl 168 35822 0 34042 86 0 86 86 0 357 2 vmsppl 440 443 0 415 6 1 5 5 0 8 1 rwobjpl 56 16035 0 13374 39 0 39 39 0 8 1 pdppl 4096 895 0 830 97 12 85 85 0 8 20 pvpl 32 10499 0 0 85 0 85 85 0 265 0 pmappl 248 443 0 415 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 380 0 14 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff83462ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff836097a0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff836097a0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a10e8b0,ffff80000006bc00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff836097a0) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff836097a0) at __mp_lock+0x199 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff836097a0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff836097a0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a10ebd0) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a10ebd0) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c4422074070, count: -12 ddb{0}> machine ddbcpu 1 Stopped at ktrops+0x58: movq 0x8(%r14),%r14 ddb{1}> trace ktrops(ffff800036b99978,deafbeaddeafbead,0,80000210,fffffd8060d7e538,fffffd807f7d36e8) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff800036b99978,deafbeaddeafbead,0,80000210,fffffd8060d7e538,fffffd807f7d36e8) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd8060d7e538,4,210,0,ffff800036b99978) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8060d7e538,4,210,0,ffff800036b99978) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff800036b99978,ffff8000371ef3b0,ffff8000371ef300) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff8000371ef3b0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371ef3b0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8ba50109a00, count: -5