uvm_fault(0xfffffd806ce4d6f8, 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 126826 58615 60928 0x10 0 0 syz-executor *477457 58615 60928 0x10 0x4000000 1K syz-executor ktrops(ffff8000371e8f58,ffffffffffffffff,0,80000d30,fffffd80702b87d8,fffffd807f7d3208) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff8000371e8f58,ffffffffffffffff,0,80000d30,fffffd80702b87d8,fffffd807f7d3208) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd80702b87d8,4,d30,0,ffff8000371e8f58) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd80702b87d8,4,d30,0,ffff8000371e8f58) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff8000371e8f58,ffff80002a5801d0,ffff80002a580120) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff80002a5801d0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a5801d0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77bd04f8880, 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(0xfffffd806ce4d6f8, 0xf, 0, 1) -> e ddb{1}> trace ktrops(ffff8000371e8f58,ffffffffffffffff,0,80000d30,fffffd80702b87d8,fffffd807f7d3208) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff8000371e8f58,ffffffffffffffff,0,80000d30,fffffd80702b87d8,fffffd807f7d3208) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd80702b87d8,4,d30,0,ffff8000371e8f58) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd80702b87d8,4,d30,0,ffff8000371e8f58) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff8000371e8f58,ffff80002a5801d0,ffff80002a580120) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff80002a5801d0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a5801d0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77bd04f8880, count: -5 ddb{1}> show registers rdi 0xffff80002d975000 rsi 0x2948 __ALIGN_SIZE+0x1948 rbp 0xffff80002a57fef0 rbx 0xfffffd807f7d3208 rdx 0xffff80002d975000 rcx 0x2947 __ALIGN_SIZE+0x1947 rax 0xffffffff8101e733 ktrops+0x43 r8 0xfffffd80702b87d8 r9 0xfffffd807f7d3208 r10 0xe35e307dcb7dfc65 r11 0x75a890e8597beb6b r12 0xffff8000371e8f58 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0x80000d30 __kernel_virt_to_phys+0xd30 rip 0xffffffff8101e748 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a57fe70 ss 0 ktrops+0x58: movq 0x10(%r14),%r14 ddb{1}> show proc PROC (syz-executor) tid=477457 pid=58615 tcnt=2 stat=onproc flags process=10 proc=4000000 runpri=17, usrpri=79, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000371e87c0,0xffff80002a0407c0 process=0xffff8000ffff71f0 user=0xffff80002a57b000, vmspace=0xfffffd806ce4d6f8 estcpu=29, cpticks=1, pctcpu=0.1, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 939 405030 60708 0 2 0 syz-executor 939 485103 60708 0 3 0x4000080 sbwait syz-executor 939 293090 60708 0 3 0x4000080 fsleep syz-executor 58615 126826 63127 60928 7 0x10 syz-executor *58615 477457 63127 60928 7 0x4000010 syz-executor 4980 361702 38811 0 3 0x80 nanoslp syz-executor 4980 335059 38811 0 3 0x4000080 fsleep syz-executor 4980 280214 38811 0 2 0x4000000 syz-executor 87669 56104 0 0 3 0x14200 bored sosplice 28560 223915 46743 0 3 0x2 biowait syz-executor 18352 255946 46743 0 2 0x2 syz-executor 63127 266122 46743 0 3 0x82 nanoslp syz-executor 38811 422494 46743 0 3 0x82 nanoslp syz-executor 96006 408306 46743 0 3 0x82 wait syz-executor 89220 478238 46743 0 3 0x82 nanoslp syz-executor 93284 12065 46743 0 2 0x2 syz-executor 60708 213407 46743 0 3 0x82 nanoslp syz-executor 46743 322981 3135 0 3 0x82 kqread syz-executor 3135 377348 12288 0 3 0x10008a sigsusp ksh 12288 154133 44906 0 3 0x98 kqread sshd-session 44906 188696 82096 0 3 0x92 kqread sshd-session 98842 93521 1 0 3 0x100083 ttyin getty 82096 260077 1 0 3 0x88 kqread sshd 35394 266052 68717 74 3 0x1100092 bpf pflogd 68717 24746 1 0 3 0x80 sbwait pflogd 73392 152703 62593 73 3 0x1100090 kqread syslogd 62593 51810 1 0 3 0x100082 sbwait syslogd 97037 137912 1 0 3 0x100080 kqread resolvd 69485 346939 25935 77 3 0x100092 kqread dhcpleased 7054 430932 25935 77 3 0x100092 kqread dhcpleased 25935 211563 1 0 3 0x80 kqread dhcpleased 60385 326690 0 0 3 0x14200 pause smr 94140 338909 0 0 2 0x14200 zerothread 89189 398164 0 0 3 0x14200 aiodoned aiodoned 31878 161619 0 0 3 0x14200 syncer update 66633 277802 0 0 3 0x14200 cleaner cleaner 64880 397877 0 0 3 0x14200 reaper reaper 46938 400983 0 0 3 0x14200 pgdaemon pagedaemon 97935 376581 0 0 3 0x14200 bored viomb 53782 112674 0 0 3 0x40014200 acpi0 acpi0 13583 514878 0 0 3 0x40014200 idle1 89119 112022 0 0 3 0x14200 bored softnet3 16207 396173 0 0 3 0x14200 bored softnet2 23813 43404 0 0 3 0x14200 bored softnet1 52043 291621 0 0 3 0x14200 bored softnet0 48438 270992 0 0 3 0x14200 bored systqmp 79487 112168 0 0 3 0x14200 bored systq 26576 481235 0 0 3 0x14200 tmoslp softclockmp 57809 376785 0 0 3 0x40014200 tmoslp softclock 90475 210823 0 0 3 0x40014200 idle0 1 203265 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 58615 (syz-executor) thread 0xffff8000371e8f58 (477457) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83632430) #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 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:827 #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 28560 (syz-executor) thread 0xffff80002a03f1d8 (223915) exclusive rrwlock inode r = 0 (0xfffffd80702a64e8) #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: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 (0xfffffd80702a6708) #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: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 93284 (syz-executor) thread 0xffff800029fd96d0 (12065) exclusive rrwlock inode r = 0 (0xfffffd80702a6c58) #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+0x192 sys/ufs/ufs/ufs_ihash.c:98 #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 (0xfffffd806c829918) #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 10207 10099K 10426K 166960K 11542 0 pcb 17 14K 15K 166960K 81 0 rtable 198 6K 8K 166960K 557 0 pf 36 17K 18K 166960K 80 0 ifaddr 40 6K 7K 166960K 80 0 ifgroup 59 2K 2K 166960K 107 0 sysctl 1 1K 1K 166960K 1 0 counters 66 36K 37K 166960K 94 0 ioctlops 0 0K 4K 166960K 1505 0 iov 1 2K 16K 166960K 15 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1379 87K 87K 166960K 1608 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 5 0 VM map 2 1K 1K 166960K 2 0 sem 10 0K 0K 166960K 12 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 14 49K 93K 166960K 455 0 sigio 1 0K 0K 166960K 15 0 proc 72 91K 128K 166960K 748 0 subproc 104 6K 7K 166960K 182 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 45 0 in_multi 85 6K 7K 166960K 174 0 ether_multi 1 0K 0K 166960K 2 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 55 254K 254K 166960K 55 0 exec 0 0K 1K 166960K 462 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 223 72K 80K 166960K 5420 0 UVM aobj 6 2K 2K 166960K 6 0 pinsyscall 40 80K 104K 166960K 1690 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 11 0 NDP 13 0K 1K 166960K 55 0 temp 75 6820K 6884K 166960K 21434 0 kqueue 14 22K 26K 166960K 66 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 59 0 56 1 0 1 1 0 8 0 rtentry 112 180 0 90 4 0 4 4 0 8 0 unpcb 144 296 0 276 6 0 6 6 0 8 5 syncache 336 5 0 5 2 1 1 1 0 8 1 tcpcb 808 132 0 127 8 0 8 8 0 8 7 arp 120 30 0 14 1 0 1 1 0 8 0 inpcb 336 533 0 523 8 1 7 7 0 8 5 nd6 136 44 0 22 1 0 1 1 0 8 0 kcovpl 48 14 0 6 1 0 1 1 0 8 0 ppxss 1168 5 0 5 1 0 1 1 0 8 1 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 50 0 46 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 43 0 12 1 0 1 1 0 8 0 pfstkey 128 43 0 12 2 0 2 2 0 8 0 pfstate 376 43 0 12 4 0 4 4 0 8 0 pfrule 1344 21 0 15 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 722 0 350 29 0 29 29 0 8 3 art_table 32 723 0 350 4 0 4 4 0 8 0 art_node 16 179 0 99 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 3 1 0 1 1 0 8 0 semapl 112 9 0 1 1 0 1 1 0 8 0 shmpl 112 3 0 0 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 1997 0 477 96 0 96 96 0 8 0 ffsino 272 1997 0 477 102 0 102 102 0 8 0 nchpl 144 2529 0 836 64 0 64 64 0 8 0 uvmvnodes 80 2266 0 0 47 0 47 47 0 8 0 vnodes 216 2266 0 0 126 0 126 126 0 8 0 namei 1024 8584 0 8583 3 1 2 2 0 8 1 percpumem 16 61 0 14 1 0 1 1 0 8 0 kstatmem 264 54 0 28 3 0 3 3 0 8 1 scxspl 216 11817 0 11816 10 2 8 8 1 8 7 plimitpl 152 91 0 72 1 0 1 1 0 8 0 sigapl 424 745 0 697 7 1 6 7 0 8 0 futexpl 64 3760 0 3758 1 0 1 1 0 8 0 knotepl 120 310 0 0 10 0 10 10 0 8 0 kqueuepl 216 103 0 93 2 0 2 2 0 8 1 pipepl 320 159 0 131 3 0 3 3 0 8 0 fdescpl 496 726 0 697 6 1 5 5 0 8 0 filepl 152 3469 0 3208 16 0 16 16 0 8 4 lockfpl 104 149 0 146 2 0 2 2 0 8 1 lockfspl 48 42 0 39 1 0 1 1 0 8 0 sessionpl 144 28 0 19 1 0 1 1 0 8 0 pgrppl 48 49 0 32 1 0 1 1 0 8 0 ucredpl 104 326 0 312 1 0 1 1 0 8 0 zombiepl 144 699 0 697 1 0 1 1 0 8 0 processpl 1160 745 0 697 5 1 4 5 0 8 0 procpl 648 1150 0 1097 6 0 6 6 0 8 0 srpgc 96 8 0 8 1 0 1 1 0 8 1 sosppl 168 2 0 2 1 0 1 1 0 8 1 sockpl 664 893 0 860 16 4 12 15 0 8 8 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 254 0 0 32 0 32 32 0 8 0 mtagpl 96 13 0 0 1 0 1 1 0 8 0 mbufpl 256 330 0 0 20 0 20 20 0 8 0 bufpl 280 5039 0 99 353 0 353 353 0 8 0 anonpl 24 148473 0 145103 51 4 47 51 0 185 20 amapchunkpl 152 17107 0 16648 30 4 26 30 0 158 5 amappl16 200 3036 0 3008 10 4 6 6 0 8 4 amappl15 192 36 0 36 1 1 0 1 0 8 0 amappl14 184 123 0 111 1 0 1 1 0 8 0 amappl13 176 4 0 4 1 1 0 1 0 8 0 amappl12 168 1470 0 1441 4 1 3 3 0 8 0 amappl11 160 54 0 40 1 0 1 1 0 8 0 amappl10 152 16 0 16 1 1 0 1 0 8 0 amappl9 144 152 0 152 1 1 0 1 0 8 0 amappl8 136 38 0 36 1 0 1 1 0 8 0 amappl7 128 125 0 113 1 0 1 1 0 8 0 amappl6 120 223 0 222 1 0 1 1 0 8 0 amappl5 112 154 0 142 1 0 1 1 0 8 0 amappl4 104 328 0 309 1 0 1 1 0 8 0 amappl3 96 3503 0 3398 4 0 4 4 0 8 0 amappl2 88 753 0 685 2 0 2 2 0 8 0 amappl1 80 8829 0 8266 14 1 13 14 0 8 0 amappl 88 4996 0 4835 5 0 5 5 0 92 0 dma32768 32768 1 0 1 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 5 0 0 1 0 1 1 0 8 0 uaddrrnd 24 726 0 697 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 726 0 697 1 0 1 1 0 8 0 vmmpekpl 168 7319 0 7259 3 0 3 3 0 8 0 vmmpepl 168 51287 0 49517 89 0 89 89 0 357 5 vmsppl 440 725 0 697 6 2 4 5 0 8 0 rwobjpl 56 19527 0 16334 47 0 47 47 0 8 0 pdppl 4096 1459 0 1394 103 32 71 85 0 8 6 pvpl 32 25759 0 0 208 0 208 208 0 265 0 pmappl 248 725 0 697 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 415 0 37 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83481ff0) 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(ffffffff83632228) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83632228) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a0f23c0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x7e46e55ccb60, count: 9 ddb{0}> trace x86_ipi_db(ffffffff83481ff0) 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(ffffffff83632228) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83632228) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a0f23c0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x7e46e55ccb60, count: -6 ddb{0}> machine ddbcpu 1 Stopped at ktrops+0x58: movq 0x10(%r14),%r14 ktrops(ffff8000371e8f58,ffffffffffffffff,0,80000d30,fffffd80702b87d8,fffffd807f7d3208) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff8000371e8f58,ffffffffffffffff,0,80000d30,fffffd80702b87d8,fffffd807f7d3208) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd80702b87d8,4,d30,0,ffff8000371e8f58) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd80702b87d8,4,d30,0,ffff8000371e8f58) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff8000371e8f58,ffff80002a5801d0,ffff80002a580120) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff80002a5801d0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a5801d0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77bd04f8880, count: 10 ddb{1}> trace ktrops(ffff8000371e8f58,ffffffffffffffff,0,80000d30,fffffd80702b87d8,fffffd807f7d3208) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff8000371e8f58,ffffffffffffffff,0,80000d30,fffffd80702b87d8,fffffd807f7d3208) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd80702b87d8,4,d30,0,ffff8000371e8f58) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd80702b87d8,4,d30,0,ffff8000371e8f58) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff8000371e8f58,ffff80002a5801d0,ffff80002a580120) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff80002a5801d0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a5801d0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77bd04f8880, count: -5