uvm_fault(0xfffffd806c53a1d8, 0xf, 0, 1) -> e kernel: page fault trap, code=0 Stopped at ktrops+0x58: movq 0x10(%r14),%r14 TID PID UID PRFLAGS PFLAGS CPU COMMAND * 68268 90588 0 0 0x4000000 1K syz-executor 383677 37696 -1 0x10 0x4000000 0 syz-executor ktrops(ffff8000372307d0,ffffffffffffffff,0,80000310,fffffd806dedd370,fffffd807f7d36e8) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff8000372307d0,ffffffffffffffff,0,80000310,fffffd806dedd370,fffffd807f7d36e8) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd806dedd370,4,310,0,ffff8000372307d0) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd806dedd370,4,310,0,ffff8000372307d0) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff8000372307d0,ffff8000369ab3a0,ffff8000369ab2f0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff8000369ab3a0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000369ab3a0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe13b348c870, count: 10 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: uvm_fault(0xfffffd806c53a1d8, 0xf, 0, 1) -> e ddb{1}> trace ktrops(ffff8000372307d0,ffffffffffffffff,0,80000310,fffffd806dedd370,fffffd807f7d36e8) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff8000372307d0,ffffffffffffffff,0,80000310,fffffd806dedd370,fffffd807f7d36e8) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd806dedd370,4,310,0,ffff8000372307d0) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd806dedd370,4,310,0,ffff8000372307d0) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff8000372307d0,ffff8000369ab3a0,ffff8000369ab2f0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff8000369ab3a0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000369ab3a0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe13b348c870, count: -5 ddb{1}> show registers rdi 0xffff80002d769000 rsi 0x2221 __ALIGN_SIZE+0x1221 rbp 0xffff8000369ab0c0 rbx 0xfffffd807f7d36e8 rdx 0xffff80002d769000 rcx 0x2220 __ALIGN_SIZE+0x1220 rax 0xffffffff8137ab13 ktrops+0x43 r8 0xfffffd806dedd370 r9 0xfffffd807f7d36e8 r10 0xcf11989c7d038542 r11 0x21b76a135300acd8 r12 0xffff8000372307d0 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0x80000310 __kernel_virt_to_phys+0x310 rip 0xffffffff8137ab28 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000369ab040 ss 0x10 ktrops+0x58: movq 0x10(%r14),%r14 ddb{1}> show proc PROC (syz-executor) tid=68268 pid=90588 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=86, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000371bef60,0xffff8000372302d0 process=0xffff80003725cd98 user=0xffff8000369a6000, vmspace=0xfffffd806c53a1d8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 80017 177684 22729 0 2 0 syz-executor 55610 225243 23762 0 2 0 syz-executor 55610 156673 23762 0 2 0x4000000 syz-executor 90588 453024 72903 0 2 0 syz-executor *90588 68268 72903 0 7 0x4000000 syz-executor 37696 251988 11784 -1 2 0x10 syz-executor 37696 383677 11784 -1 7 0x4000010 syz-executor 37696 402019 11784 -1 3 0x4000090 fsleep syz-executor 53061 297716 66507 0 2 0 syz-executor 53061 150706 66507 0 3 0x4000080 ttyopn syz-executor 53061 127373 66507 0 3 0x4000080 sbwait syz-executor 14944 123558 40894 0 2 0x480 syz-executor 14944 361066 40894 0 3 0x4000080 nanoslp syz-executor 14944 357833 40894 0 3 0x4000080 fsleep syz-executor 72903 143555 13237 0 3 0x82 nanoslp syz-executor 81854 461714 1 0 3 0x100083 ttyin getty 22729 467229 13237 0 3 0x82 nanoslp syz-executor 66507 158729 13237 0 3 0x82 nanoslp syz-executor 37808 188967 0 0 3 0x14200 bored sosplice 40894 514983 13237 0 2 0x482 syz-executor 48395 150309 13237 0 3 0x2 biowait syz-executor 23762 50954 13237 0 3 0x82 nanoslp syz-executor 11784 113392 13237 0 2 0x482 syz-executor 81254 4062 13237 0 2 0x2 syz-executor 13237 217148 39874 0 3 0x82 kqread syz-executor 39874 386819 48215 0 3 0x10008a sigsusp ksh 48215 518494 6061 0 3 0x98 kqread sshd-session 6061 382855 99867 0 3 0x92 kqread sshd-session 99867 230468 1 0 3 0x88 kqread sshd 12979 517235 67302 74 3 0x1100092 bpf pflogd 67302 10679 1 0 3 0x80 sbwait pflogd 59351 421957 46576 73 3 0x1100090 kqread syslogd 46576 433751 1 0 3 0x100082 sbwait syslogd 73346 102814 1 0 3 0x100080 kqread resolvd 30265 426631 1532 77 3 0x100092 kqread dhcpleased 30336 231847 1532 77 3 0x100092 kqread dhcpleased 1532 432983 1 0 3 0x80 kqread dhcpleased 68519 412880 0 0 3 0x14200 bored smr 42180 96899 0 0 2 0x14200 zerothread 8805 28225 0 0 3 0x14200 aiodoned aiodoned 81869 104597 0 0 3 0x14200 syncer update 21788 170464 0 0 3 0x14200 cleaner cleaner 3216 24011 0 0 3 0x14200 reaper reaper 70846 8217 0 0 3 0x14200 pgdaemon pagedaemon 2758 332580 0 0 3 0x14200 bored viomb 10830 319268 0 0 3 0x40014200 acpi0 acpi0 68404 327991 0 0 3 0x40014200 idle1 20335 300209 0 0 3 0x14200 bored softnet3 81193 166791 0 0 3 0x14200 bored softnet2 91267 238326 0 0 3 0x14200 bored softnet1 92957 194771 0 0 3 0x14200 bored softnet0 71920 195623 0 0 3 0x14200 bored systqmp 86006 374432 0 0 3 0x14200 bored systq 28629 393569 0 0 3 0x14200 tmoslp softclockmp 15188 188410 0 0 3 0x40014200 tmoslp softclock 10735 382901 0 0 3 0x40014200 idle0 1 441752 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 55610 (syz-executor) thread 0xffff800037231c10 (156673) Process 90588 (syz-executor) thread 0xffff8000372307d0 (68268) Process 37696 (syz-executor) thread 0xffff800037231478 (383677) Process 48395 (syz-executor) thread 0xffff8000ffff62a8 (150309) ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10250 11236K 11729K 166960K 16318 0 pcb 17 16K 18K 166960K 619 0 rtable 196 7K 8K 166960K 988 0 pf 40 18K 20K 166960K 153 0 ifaddr 40 6K 8K 166960K 131 0 ifgroup 64 2K 2K 166960K 189 0 sysctl 3 0K 0K 166960K 5 0 counters 68 36K 37K 166960K 156 0 ioctlops 0 0K 4K 166960K 1812 0 iov 0 0K 32K 166960K 202 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1449 91K 92K 166960K 3964 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 10K 14K 166960K 51 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 121 0 dirhash 12 2K 3K 166960K 102 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 16 57K 93K 166960K 3176 0 sigio 1 0K 0K 166960K 128 0 proc 73 91K 140K 166960K 1035 0 subproc 104 6K 6K 166960K 169 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 383 0 in_multi 68 5K 7K 166960K 301 0 ether_multi 1 0K 0K 166960K 31 0 mrt 3 0K 0K 166960K 13 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 836 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 238 73K 88K 166960K 31532 0 UVM aobj 67 3K 3K 166960K 72 0 pinsyscall 41 82K 104K 166960K 4459 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 210 0 NDP 14 0K 2K 166960K 88 0 temp 77 6828K 6952K 166960K 140624 0 kqueue 14 22K 29K 166960K 457 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 120 489 0 486 7 4 3 5 0 8 2 rtentry 112 278 0 194 4 0 4 4 0 8 0 unpcb 144 2360 0 2340 11 9 2 6 0 8 1 syncache 336 13 0 13 4 4 0 1 0 8 0 tcpqe 32 3 0 3 2 2 0 1 0 8 0 tcpcb 808 1092 0 1087 23 15 8 8 0 8 7 arp 120 71 0 49 1 0 1 1 0 8 0 inpcb 336 4069 0 4060 29 17 12 12 0 8 10 nd6 136 49 0 31 1 0 1 1 0 8 0 pkpcb 40 11 0 11 3 2 1 1 0 8 1 kcovpl 48 13 0 5 1 0 1 1 0 8 0 ppxss 1168 30 0 30 4 3 1 1 0 8 1 pffrag 232 18 0 6 1 0 1 1 0 482 0 pffrnode 88 18 0 6 1 0 1 1 0 8 0 pffrent 40 60 0 48 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 pfstitem 24 264 0 70 2 0 2 2 0 8 0 pfstkey 128 264 0 70 7 0 7 7 0 8 0 pfstate 376 264 0 70 20 0 20 20 0 8 0 pfrule 1344 24 0 17 2 0 2 2 0 8 0 art_heap8 4096 5 0 1 4 0 4 4 0 8 0 art_heap4 256 1078 0 728 32 3 29 31 0 8 2 art_table 32 1083 0 729 4 0 4 4 0 8 0 art_node 16 268 0 196 1 0 1 1 0 8 0 sysvmsgpl 40 21 0 11 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 111 0 101 1 0 1 1 0 8 0 shmpl 112 69 0 5 2 0 2 2 0 8 0 dirhash 1024 77 0 60 3 0 3 3 0 8 0 dino2pl 256 7175 0 5666 95 0 95 95 0 8 0 ffsino 272 7175 0 5666 102 0 102 102 0 8 0 nchpl 144 11796 0 11183 64 40 24 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 41888 0 41886 4 3 1 2 0 8 0 percpumem 16 92 0 44 1 0 1 1 0 8 0 kstatmem 264 116 0 88 3 0 3 3 0 8 0 scsiplug 72 7 0 7 4 4 0 1 0 8 0 scxspl 216 34996 0 34995 17 14 3 8 1 8 2 plimitpl 152 981 0 964 1 0 1 1 0 8 0 sigapl 424 3513 0 3464 10 3 7 9 0 8 0 futexpl 64 46290 0 46288 1 0 1 1 0 8 0 knotepl 120 831 0 0 25 0 25 25 0 8 0 kqueuepl 216 1018 0 1007 12 7 5 5 0 8 4 pipepl 320 587 0 558 13 10 3 8 0 8 0 fdescpl 496 3466 0 3436 5 0 5 5 0 8 0 filepl 152 25243 0 24989 30 13 17 19 0 8 4 lockfpl 104 1762 0 1760 3 1 2 2 0 8 1 lockfspl 48 485 0 483 1 0 1 1 0 8 0 sessionpl 144 38 0 29 1 0 1 1 0 8 0 pgrppl 48 81 0 64 1 0 1 1 0 8 0 ucredpl 104 4720 0 4705 1 0 1 1 0 8 0 zombiepl 144 3464 0 3464 1 0 1 1 0 8 1 processpl 1160 3513 0 3464 6 1 5 6 0 8 0 procpl 648 8609 0 8552 10 4 6 8 0 8 0 srpgc 96 26 0 26 4 3 1 1 0 8 1 sosppl 168 34 0 34 4 3 1 1 0 8 1 sockpl 664 6981 0 6950 41 27 14 15 0 8 10 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 11 0 0 2 0 2 2 0 8 0 mcl4k 4096 147 0 0 19 0 19 19 0 8 0 mcl2k 2048 69 0 0 7 0 7 7 0 8 0 mtagpl 96 176 0 0 5 0 5 5 0 8 0 mbufpl 256 735 0 0 44 0 44 44 0 8 0 bufpl 280 11514 0 5340 442 0 442 442 0 8 0 anonpl 24 457665 0 450177 139 69 70 88 0 185 8 amapchunkpl 152 102220 0 101607 49 20 29 36 0 158 0 amappl16 200 10839 0 10681 83 66 17 31 0 8 6 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 148 0 136 1 0 1 1 0 8 0 amappl13 176 6 0 6 1 1 0 1 0 8 0 amappl12 168 4213 0 4183 4 1 3 3 0 8 0 amappl11 160 60 0 46 1 0 1 1 0 8 0 amappl10 152 14 0 14 2 2 0 1 0 8 0 amappl9 144 136 0 136 1 1 0 1 0 8 0 amappl8 136 24 0 21 1 0 1 1 0 8 0 amappl7 128 131 0 118 1 0 1 1 0 8 0 amappl6 120 269 0 267 1 0 1 1 0 8 0 amappl5 112 171 0 159 1 0 1 1 0 8 0 amappl4 104 385 0 365 1 0 1 1 0 8 0 amappl3 96 19170 0 19078 4 1 3 4 0 8 0 amappl2 88 3870 0 3783 3 0 3 3 0 8 0 amappl1 80 19525 0 18968 15 1 14 14 0 8 0 amappl 88 30771 0 30595 6 0 6 6 0 92 0 dma65536 65536 2 0 2 1 1 0 1 0 8 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma16384 16384 1 0 1 1 1 0 1 0 8 0 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 2 0 1 1 0 1 1 0 8 0 dma512 512 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 256 0 256 4 4 0 1 0 8 0 dma64 64 9 0 9 4 3 1 1 0 8 1 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 71 0 5 2 0 2 2 0 8 0 uaddrrnd 24 3466 0 3436 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3466 0 3436 1 0 1 1 0 8 0 vmmpekpl 168 28175 0 28127 3 0 3 3 0 8 0 vmmpepl 168 216949 0 214994 141 36 105 110 0 357 5 vmsppl 448 3465 0 3436 6 2 4 5 0 8 0 rwobjpl 56 61363 0 54304 108 4 104 105 0 8 0 pdppl 4096 6939 0 6872 131 60 71 85 0 8 4 pvpl 32 21389 0 0 174 1 173 173 0 265 0 pmappl 248 3465 0 3436 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 519 0 114 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834b2ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xf sys/dev/kcov.c:149 __mp_acquire_count(ffffffff83622ac0,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 sleep_finish(0,1) at sleep_finish+0x2f2 sys/kern/kern_synch.c:425 getblk(fffffd8009325798,195180,4000,0,ffffffffffffffff) at getblk+0x197 sys/kern/vfs_bio.c:1017 bread(fffffd8009325798,195180,4000,ffff80003458b178) at bread+0x47 bio_doread sys/kern/vfs_bio.c:422 [inline] bread(fffffd8009325798,195180,4000,ffff80003458b178) at bread+0x47 sys/kern/vfs_bio.c:467 ffs_update(fffffd806f1f2888,1) at ffs_update+0x198 sys/ufs/ffs/ffs_inode.c:91 ufs_mkdir(ffff80003458b360) at ufs_mkdir+0x55a sys/ufs/ufs/ufs_vnops.c:1160 VOP_MKDIR(fffffd80614c77b0,ffff80003458b4c0,ffff80003458b4f0,ffff80003458b3f0) at VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 domkdirat(ffff800037231478,ffffff9c,20000340,180) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 syscall(ffff80003458b670) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80003458b670) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff80003458b6f0, count: 0 ddb{0}> trace x86_ipi_db(ffffffff834b2ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xf sys/dev/kcov.c:149 __mp_acquire_count(ffffffff83622ac0,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 sleep_finish(0,1) at sleep_finish+0x2f2 sys/kern/kern_synch.c:425 getblk(fffffd8009325798,195180,4000,0,ffffffffffffffff) at getblk+0x197 sys/kern/vfs_bio.c:1017 bread(fffffd8009325798,195180,4000,ffff80003458b178) at bread+0x47 bio_doread sys/kern/vfs_bio.c:422 [inline] bread(fffffd8009325798,195180,4000,ffff80003458b178) at bread+0x47 sys/kern/vfs_bio.c:467 ffs_update(fffffd806f1f2888,1) at ffs_update+0x198 sys/ufs/ffs/ffs_inode.c:91 ufs_mkdir(ffff80003458b360) at ufs_mkdir+0x55a sys/ufs/ufs/ufs_vnops.c:1160 VOP_MKDIR(fffffd80614c77b0,ffff80003458b4c0,ffff80003458b4f0,ffff80003458b3f0) at VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 domkdirat(ffff800037231478,ffffff9c,20000340,180) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 syscall(ffff80003458b670) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80003458b670) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5e53854cad0, count: -15 ddb{0}> machine ddbcpu 1 Stopped at ktrops+0x58: movq 0x10(%r14),%r14 ktrops(ffff8000372307d0,ffffffffffffffff,0,80000310,fffffd806dedd370,fffffd807f7d36e8) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff8000372307d0,ffffffffffffffff,0,80000310,fffffd806dedd370,fffffd807f7d36e8) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd806dedd370,4,310,0,ffff8000372307d0) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd806dedd370,4,310,0,ffff8000372307d0) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff8000372307d0,ffff8000369ab3a0,ffff8000369ab2f0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff8000369ab3a0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000369ab3a0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe13b348c870, count: 10 ddb{1}> trace ktrops(ffff8000372307d0,ffffffffffffffff,0,80000310,fffffd806dedd370,fffffd807f7d36e8) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff8000372307d0,ffffffffffffffff,0,80000310,fffffd806dedd370,fffffd807f7d36e8) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd806dedd370,4,310,0,ffff8000372307d0) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd806dedd370,4,310,0,ffff8000372307d0) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff8000372307d0,ffff8000369ab3a0,ffff8000369ab2f0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff8000369ab3a0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000369ab3a0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe13b348c870, count: -5