uvm_fault(0xfffffd806bfdf378, 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 *346707 35624 0 0 0x4000000 0K syz-executor 447346 84939 0 0x2 0 1 syz-executor ktrops(ffff8000ffff2530,ffffffffffffffff,0,80000112,fffffd80607e4c00,fffffd807f7d3680) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff8000ffff2530,ffffffffffffffff,0,80000112,fffffd80607e4c00,fffffd807f7d3680) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd80607e4c00,4,112,0,ffff8000ffff2530) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd80607e4c00,4,112,0,ffff8000ffff2530) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff8000ffff2530,ffff800032f80ee0,ffff800032f80e30) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff800032f80ee0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800032f80ee0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x378beeb0a60, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xfffffd806bfdf378, 0xf, 0, 1) -> e ddb{0}> trace ktrops(ffff8000ffff2530,ffffffffffffffff,0,80000112,fffffd80607e4c00,fffffd807f7d3680) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff8000ffff2530,ffffffffffffffff,0,80000112,fffffd80607e4c00,fffffd807f7d3680) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd80607e4c00,4,112,0,ffff8000ffff2530) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd80607e4c00,4,112,0,ffff8000ffff2530) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff8000ffff2530,ffff800032f80ee0,ffff800032f80e30) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff800032f80ee0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800032f80ee0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x378beeb0a60, count: -5 ddb{0}> show registers rdi 0xffff80002a56f000 rsi 0x7c81 __ALIGN_SIZE+0x6c81 rbp 0xffff800032f80c00 rbx 0xfffffd807f7d3680 rdx 0xffff80002a56f000 rcx 0x7c80 __ALIGN_SIZE+0x6c80 rax 0xffffffff8282e883 ktrops+0x43 r8 0xfffffd80607e4c00 r9 0xfffffd807f7d3680 r10 0x202ad5818c7253cc r11 0x283fdca4f846eca1 r12 0xffff8000ffff2530 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0x80000112 __kernel_virt_to_phys+0x112 rip 0xffffffff8282e898 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800032f80b80 ss 0 ktrops+0x58: movq 0x10(%r14),%r14 ddb{0}> show proc PROC (syz-executor) tid=346707 pid=35624 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff2a40,0xffffffff835d3460 process=0xffff8000fffee460 user=0xffff800032f7b000, vmspace=0xfffffd806bfdf378 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 35624 512894 38885 0 2 0 syz-executor *35624 346707 38885 0 7 0x4000000 syz-executor 31355 46249 33501 0 3 0x80 nanoslp syz-executor 31355 31618 33501 0 3 0x4000080 ttyout syz-executor 31355 422617 33501 0 3 0x4000080 fsleep syz-executor 88625 73002 77727 60929 2 0x10 syz-executor 88625 359197 77727 60929 3 0x4000090 lockf syz-executor 88625 158539 77727 60929 3 0x4000090 lockf syz-executor 69484 511049 82436 0 2 0 syz-executor 69484 241168 82436 0 3 0x4000080 fsleep syz-executor 36390 415020 79902 0 2 0 syz-executor 36390 370097 79902 0 3 0x4000080 fsleep syz-executor 7081 30382 0 0 3 0x14200 bored sosplice 67647 245894 1 0 3 0x100083 ttyin getty 33501 301457 86835 0 3 0x82 nanoslp syz-executor 95253 104100 86835 0 2 0x2 syz-executor 77727 235649 86835 0 3 0x82 nanoslp syz-executor 79902 281519 86835 0 3 0x82 nanoslp syz-executor 38885 336100 86835 0 3 0x82 nanoslp syz-executor 84939 447346 86835 0 7 0x2 syz-executor 82436 227648 86835 0 3 0x82 nanoslp syz-executor 91100 206743 86835 0 2 0x2 syz-executor 86835 177284 26613 0 3 0x82 kqread syz-executor 26613 313640 49789 0 3 0x10008a sigsusp ksh 49789 346040 98100 0 3 0x98 kqread sshd-session 98100 11131 69783 0 3 0x92 kqread sshd-session 69783 173219 1 0 3 0x88 kqread sshd 1357 448636 93553 74 3 0x1100092 bpf pflogd 93553 25866 1 0 3 0x80 sbwait pflogd 55226 66875 87606 73 3 0x1100090 kqread syslogd 87606 81198 1 0 3 0x100082 sbwait syslogd 41369 388459 1 0 3 0x100080 kqread resolvd 68776 501583 70401 77 3 0x100092 kqread dhcpleased 35611 66046 70401 77 3 0x100092 kqread dhcpleased 70401 380512 1 0 3 0x80 kqread dhcpleased 44595 380750 0 0 3 0x14200 bored smr 51949 423298 0 0 2 0x14200 zerothread 39074 119159 0 0 3 0x14200 aiodoned aiodoned 84173 59075 0 0 3 0x14200 syncer update 68549 298229 0 0 3 0x14200 cleaner cleaner 40207 80122 0 0 3 0x14200 reaper reaper 6508 149976 0 0 3 0x14200 pgdaemon pagedaemon 71443 91744 0 0 3 0x14200 bored viomb 30502 12526 0 0 3 0x40014200 acpi0 acpi0 2679 95942 0 0 3 0x40014200 idle1 87513 353776 0 0 3 0x14200 bored softnet3 59559 482648 0 0 3 0x14200 bored softnet2 84527 465070 0 0 3 0x14200 bored softnet1 14991 413932 0 0 3 0x14200 bored softnet0 80752 305754 0 0 3 0x14200 bored systqmp 22044 96264 0 0 3 0x14200 bored systq 84398 200143 0 0 3 0x14200 tmoslp softclockmp 24777 405364 0 0 3 0x40014200 tmoslp softclock 82863 509613 0 0 3 0x40014200 idle0 1 197022 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 35624 (syz-executor) thread 0xffff8000ffff2530 (346707) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835157e0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x21e sys/kern/kern_synch.c:416 #4 biowait+0xc1 sys/kern/vfs_bio.c:1254 #5 bwrite+0x2e2 sys/kern/vfs_bio.c:766 #6 ffs_update+0x34c sys/ufs/ffs/ffs_inode.c:111 #7 ffs_truncate+0xcb6 #8 ufs_inactive+0x203 sys/ufs/ufs/ufs_inode.c:84 #9 VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 #10 vrele+0x129 sys/kern/vfs_subr.c:824 #11 ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122 #12 ktrops+0x271 sys/kern/kern_ktrace.c:564 #13 doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] #13 doktrace+0x6dd sys/kern/kern_ktrace.c:508 #14 sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 #15 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #15 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #16 Xsyscall+0x128 Process 95253 (syz-executor) thread 0xffff800029fd9448 (104100) exclusive rrwlock inode r = 0 (0xfffffd806ddff5f8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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:169 #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:3099 #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 (0xfffffd807b15d098) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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:3084 #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 91100 (syz-executor) thread 0xffff80002a03ea38 (206743) exclusive rrwlock inode r = 0 (0xfffffd806ddff2c8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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:169 #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:3099 #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 (0xfffffd806cd6b4e8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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:3084 #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10220 11196K 11442K 166960K 11683 0 pcb 18 12K 12K 166960K 71 0 rtable 221 6K 7K 166960K 389 0 pf 36 18K 26K 166960K 60 0 ifaddr 44 7K 8K 166960K 52 0 ifgroup 55 2K 2K 166960K 67 0 counters 64 36K 36K 166960K 68 0 ioctlops 0 0K 4K 166960K 1507 0 iov 0 0K 24K 166960K 22 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1400 88K 88K 166960K 1768 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 9 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 22 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 15 53K 93K 166960K 411 0 sigio 0 0K 0K 166960K 5 0 proc 72 91K 128K 166960K 564 0 subproc 104 6K 6K 166960K 104 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 100 0 in_multi 104 7K 7K 166960K 130 0 ether_multi 1 0K 0K 166960K 3 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 235 1049K 1049K 166960K 235 0 exec 0 0K 1K 166960K 495 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 217 72K 90K 166960K 5517 0 UVM aobj 15 2K 2K 166960K 16 0 pinsyscall 40 80K 103K 166960K 1499 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 14 0 NDP 12 0K 1K 166960K 31 0 temp 48 6817K 6893K 166960K 14663 0 kqueue 13 20K 30K 166960K 75 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 51 0 48 1 0 1 1 0 8 0 rtentry 112 120 0 18 4 0 4 4 0 8 0 unpcb 144 220 0 203 3 0 3 3 0 8 2 syncache 336 6 0 6 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 808 102 0 93 2 0 2 2 0 8 0 arp 120 20 0 2 1 0 1 1 0 8 0 inpcb 336 449 0 435 7 0 7 7 0 8 5 nd6 136 26 0 1 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 pfstscr 40 2 0 2 1 1 0 1 0 8 0 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 4 0 2 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 38 0 1 1 0 1 1 0 8 0 pfstkey 128 40 0 3 2 0 2 2 0 8 0 pfstate 376 39 0 2 4 0 4 4 0 8 0 pfrule 1344 22 0 16 2 0 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 509 0 64 29 0 29 29 0 8 1 art_table 32 511 0 64 4 0 4 4 0 8 0 art_node 16 119 0 28 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 3 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 19 0 9 1 0 1 1 0 8 0 shmpl 112 13 0 1 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2196 0 688 95 0 95 95 0 8 0 ffsino 272 2196 0 688 102 0 102 102 0 8 0 nchpl 144 2811 0 1129 63 0 63 63 0 8 0 uvmvnodes 80 2468 0 0 51 0 51 51 0 8 0 vnodes 216 2468 0 0 138 0 138 138 0 8 0 namei 1024 9569 0 9567 1 0 1 1 0 8 0 percpumem 16 48 0 2 1 0 1 1 0 8 0 kstatmem 264 28 0 4 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 7847 0 7847 4 1 3 3 1 8 3 plimitpl 152 68 0 51 1 0 1 1 0 8 0 sigapl 424 714 0 666 7 1 6 7 0 8 0 futexpl 64 4635 0 4632 1 0 1 1 0 8 0 knotepl 120 402 0 0 13 0 13 13 0 8 0 kqueuepl 216 137 0 128 3 0 3 3 0 8 2 pipepl 320 131 0 104 3 0 3 3 0 8 0 fdescpl 496 695 0 666 5 0 5 5 0 8 1 filepl 152 4373 0 4121 22 3 19 22 0 8 8 lockfpl 104 125 0 120 1 0 1 1 0 8 0 lockfspl 48 58 0 55 1 0 1 1 0 8 0 sessionpl 144 26 0 17 1 0 1 1 0 8 0 pgrppl 48 42 0 24 1 0 1 1 0 8 0 ucredpl 104 1125 0 1110 1 0 1 1 0 8 0 zombiepl 144 666 0 666 1 0 1 1 0 8 1 processpl 1160 714 0 666 5 1 4 5 0 8 0 procpl 648 1189 0 1134 6 0 6 6 0 8 0 sosppl 168 4 0 4 1 0 1 1 0 8 1 sockpl 664 757 0 723 9 0 9 9 0 8 5 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 145 0 0 19 0 19 19 0 8 0 mcl2k 2048 27 0 0 4 0 4 4 0 8 0 mtagpl 96 15 0 0 1 0 1 1 0 8 0 mbufpl 256 192 0 0 12 0 12 12 0 8 0 bufpl 280 2993 0 132 205 0 205 205 0 8 0 anonpl 24 177869 0 174601 49 3 46 46 0 185 20 amapchunkpl 152 18792 0 18355 29 0 29 29 0 158 8 amappl16 200 4801 0 4777 18 6 12 15 0 8 8 amappl15 192 12 0 12 1 1 0 1 0 8 0 amappl14 184 123 0 111 1 0 1 1 0 8 0 amappl13 176 28 0 28 2 2 0 1 0 8 0 amappl12 168 1349 0 1319 4 1 3 3 0 8 0 amappl11 160 56 0 42 1 0 1 1 0 8 0 amappl10 152 16 0 15 1 0 1 1 0 8 0 amappl9 144 137 0 137 1 1 0 1 0 8 0 amappl8 136 26 0 23 1 0 1 1 0 8 0 amappl7 128 108 0 96 1 0 1 1 0 8 0 amappl6 120 163 0 162 1 0 1 1 0 8 0 amappl5 112 135 0 123 1 0 1 1 0 8 0 amappl4 104 319 0 301 1 0 1 1 0 8 0 amappl3 96 3343 0 3258 3 0 3 3 0 8 0 amappl2 88 1003 0 922 3 0 3 3 0 8 0 amappl1 80 8994 0 8425 14 0 14 14 0 8 0 amappl 88 5093 0 4939 5 0 5 5 0 92 0 dma65536 65536 2 0 2 1 0 1 1 0 8 1 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 15 0 1 1 0 1 1 0 8 0 uaddrrnd 24 695 0 666 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 695 0 666 1 0 1 1 0 8 0 vmmpekpl 168 7182 0 7144 2 0 2 2 0 8 0 vmmpepl 168 51750 0 49994 95 0 95 95 0 357 10 vmsppl 440 694 0 666 6 2 4 5 0 8 0 rwobjpl 56 21395 0 18004 50 0 50 50 0 8 1 pdppl 4096 1397 0 1332 103 32 71 85 0 8 6 pvpl 32 13514 0 0 109 0 109 109 0 265 0 pmappl 248 694 0 666 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 388 0 35 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace ktrops(ffff8000ffff2530,ffffffffffffffff,0,80000112,fffffd80607e4c00,fffffd807f7d3680) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff8000ffff2530,ffffffffffffffff,0,80000112,fffffd80607e4c00,fffffd807f7d3680) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd80607e4c00,4,112,0,ffff8000ffff2530) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd80607e4c00,4,112,0,ffff8000ffff2530) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff8000ffff2530,ffff800032f80ee0,ffff800032f80e30) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff800032f80ee0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800032f80ee0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x378beeb0a60, count: -5 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b7bff0) 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(ffffffff835155d8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835155d8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a0d8830) at syscall+0x2cc mi_syscall sys/sys/syscall_mi.h:156 [inline] syscall(ffff80002a0d8830) at syscall+0x2cc sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x730180a4b7b0, count: 9 ddb{1}> trace x86_ipi_db(ffff800029b7bff0) 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(ffffffff835155d8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835155d8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a0d8830) at syscall+0x2cc mi_syscall sys/sys/syscall_mi.h:156 [inline] syscall(ffff80002a0d8830) at syscall+0x2cc sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x730180a4b7b0, count: -6