uvm_fault(0xfffffd806b054b60, 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 *485366 50129 0 0 0x4000000 0K syz-executor 258433 66019 0 0x2 0x1 1 syz-executor ktrops(ffff80002a296a60,ffffffffffffffff,0,a0c7df9b,fffffd806abc2a78,fffffd80097fb548) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80002a296a60,ffffffffffffffff,0,a0c7df9b,fffffd806abc2a78,fffffd80097fb548) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd806abc2a78,4,20c7df9b,0,ffff80002a296a60) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd806abc2a78,4,20c7df9b,0,ffff80002a296a60) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80002a296a60,ffff8000333fb430,ffff8000333fb380) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff8000333fb430) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000333fb430) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdae0badf550, 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(0xfffffd806b054b60, 0xf, 0, 1) -> e ddb{0}> trace ktrops(ffff80002a296a60,ffffffffffffffff,0,a0c7df9b,fffffd806abc2a78,fffffd80097fb548) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80002a296a60,ffffffffffffffff,0,a0c7df9b,fffffd806abc2a78,fffffd80097fb548) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd806abc2a78,4,20c7df9b,0,ffff80002a296a60) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd806abc2a78,4,20c7df9b,0,ffff80002a296a60) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80002a296a60,ffff8000333fb430,ffff8000333fb380) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff8000333fb430) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000333fb430) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdae0badf550, count: -5 ddb{0}> show registers rdi 0xffff80002ebe4000 rsi 0x32bc __ALIGN_SIZE+0x22bc rbp 0xffff8000333fb150 rbx 0xfffffd80097fb548 rdx 0xffff80002ebe4000 rcx 0x32bb __ALIGN_SIZE+0x22bb rax 0xffffffff82b26b73 ktrops+0x43 r8 0xfffffd806abc2a78 r9 0xfffffd80097fb548 r10 0x17b3c5fc6d10a239 r11 0x653118d97dfc77d1 r12 0xffff80002a296a60 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0xa0c7df9b rip 0xffffffff82b26b88 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000333fb0d0 ss 0x10 ktrops+0x58: movq 0x10(%r14),%r14 ddb{0}> show proc PROC (syz-executor) tid=485366 pid=50129 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=82, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a296cf0,0xffff80002a297220 process=0xffff80002a398018 user=0xffff8000333f6000, vmspace=0xfffffd806b054b60 estcpu=32, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 95270 399653 84509 0 2 0 syz-executor 39792 346122 3751 0 2 0 syz-executor 39792 124068 3751 0 2 0x4000000 syz-executor 39792 149514 3751 0 2 0x4000000 syz-executor 3147 179530 9128 0 2 0 syz-executor 3147 388317 9128 0 3 0x4000080 fsleep syz-executor 3147 323166 9128 0 3 0x4000080 fsleep syz-executor 50129 459946 29922 0 2 0 syz-executor *50129 485366 29922 0 7 0x4000000 syz-executor 39199 2116 2502 0 3 0x80 nanoslp syz-executor 39199 368636 2502 0 3 0x4000080 ttyretype syz-executor 39199 245380 2502 0 3 0x4000080 fsleep syz-executor 2766 156646 77625 0 3 0x80 nanoslp syz-executor 2766 1614 77625 0 3 0x4000080 fsleep syz-executor 2766 470903 77625 0 3 0x4000080 fsleep syz-executor 69826 205650 23859 -1 3 0x90 nanoslp syz-executor 69826 14202 23859 -1 3 0x4000090 sbwait syz-executor 69826 198804 23859 -1 3 0x4000090 fsleep syz-executor 9128 437179 59045 0 3 0x82 nanoslp syz-executor 3751 49385 59045 0 3 0x82 nanoslp syz-executor 84509 301888 59045 0 3 0x82 nanoslp syz-executor 23859 4964 59045 0 3 0x82 nanoslp syz-executor 66019 258433 59045 0 7 0x3 syz-executor 29922 2917 59045 0 3 0x82 nanoslp syz-executor 2502 71638 59045 0 3 0x82 nanoslp syz-executor 77625 113005 59045 0 3 0x82 nanoslp syz-executor 59045 211448 74952 0 2 0x2 syz-executor 74952 455563 9223 0 3 0x10008a sigsusp ksh 9223 299309 16072 0 3 0x98 kqread sshd-session 16072 431553 35763 0 3 0x92 kqread sshd-session 91148 38971 1 0 3 0x100083 ttyin getty 35763 56541 1 0 3 0x88 kqread sshd 92370 401027 58572 74 3 0x1100092 bpf pflogd 58572 101013 1 0 3 0x80 sbwait pflogd 407 350886 18570 73 3 0x1100090 kqread syslogd 18570 121891 1 0 3 0x100082 sbwait syslogd 86042 1289 1 0 3 0x100080 kqread resolvd 76085 492643 7538 77 3 0x100092 kqread dhcpleased 47134 240679 7538 77 3 0x100092 kqread dhcpleased 7538 327147 1 0 3 0x80 kqread dhcpleased 68889 345758 0 0 3 0x14200 bored smr 61947 158235 0 0 2 0x14200 zerothread 46644 31912 0 0 3 0x14200 aiodoned aiodoned 11808 77080 0 0 3 0x14200 syncer update 61426 379608 0 0 3 0x14200 cleaner cleaner 75024 187660 0 0 3 0x14200 reaper reaper 33978 343510 0 0 3 0x14200 pgdaemon pagedaemon 22574 26708 0 0 3 0x14200 bored viomb 47166 90890 0 0 3 0x40014200 acpi0 acpi0 13832 166467 0 0 3 0x40014200 idle1 60369 443660 0 0 3 0x14200 bored softnet3 71662 303002 0 0 3 0x14200 bored softnet2 7117 348610 0 0 3 0x14200 bored softnet1 73341 496585 0 0 2 0x14200 softnet0 87719 334781 0 0 3 0x14200 bored systqmp 48816 428686 0 0 3 0x14200 bored systq 46592 14652 0 0 3 0x14200 tmoslp softclockmp 92608 244562 0 0 3 0x40014200 tmoslp softclock 82120 378596 0 0 3 0x40014200 idle0 1 151930 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 39792 (syz-executor) thread 0xffff800031bf27d8 (149514) exclusive rrwlock inode r = 0 (0xfffffd806c7ab680) #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+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #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:3109 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c7ab320) #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+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd sys/kern/vfs_subr.c:693 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x16bc sys/ufs/ufs/ufs_lookup.c:573 #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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3094 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #14 Xsyscall+0x128 Process 50129 (syz-executor) thread 0xffff80002a296a60 (485366) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83975cf0) #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 sleep_finish+0x2da sys/kern/kern_synch.c:366 #3 biowait+0xc1 sys/kern/vfs_bio.c:1242 #4 bwrite+0x2e5 sys/kern/vfs_bio.c:754 #5 ffs_update+0x34f sys/ufs/ffs/ffs_inode.c:111 #6 ffs_truncate+0xcb6 sys/ufs/ffs/ffs_inode.c:-1 #7 ufs_inactive+0x206 sys/ufs/ufs/ufs_inode.c:84 #8 VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:498 #9 vrele+0x129 sys/kern/vfs_subr.c:844 #10 ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122 #11 ktrops+0x271 sys/kern/kern_ktrace.c:573 #12 doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] #12 doktrace+0x6dd sys/kern/kern_ktrace.c:517 #13 sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 #14 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #14 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #15 Xsyscall+0x128 Process 69826 (syz-executor) thread 0xffff80002a2967d0 (14202) exclusive rrwlock inode r = 0 (0xfffffd806abc3760) #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+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd sys/kern/vfs_subr.c:693 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x21b sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #10 namei+0x7aa sys/kern/vfs_lookup.c:250 #11 vn_open+0x13f sys/kern/vfs_vnops.c:140 #12 vndioctl+0xcb1 sys/dev/vnd.c:457 #13 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #14 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #15 sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 #16 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #16 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #17 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10231 11168K 11549K 166960K 11693 0 pcb 18 13K 14K 166960K 96 0 rtable 200 7K 8K 166960K 825 0 pf 38 18K 67485K 166960K 77 0 ifaddr 43 7K 8K 166960K 60 0 ifgroup 61 2K 2K 166960K 75 0 sysctl 4 1K 9K 166960K 8 0 counters 72 37K 37K 166960K 86 0 ioctlops 0 0K 4K 166960K 1541 0 iov 0 0K 16K 166960K 16 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1412 89K 89K 166960K 1677 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 79 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 89K 166960K 376 0 sigio 0 0K 0K 166960K 9 0 proc 72 91K 128K 166960K 592 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 38 0 in_multi 88 6K 7K 166960K 121 0 ether_multi 1 0K 0K 166960K 3 0 mrt 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 151 678K 678K 166960K 151 0 exec 0 0K 1K 166960K 399 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 230 159K 173K 166960K 5127 0 UVM aobj 15 4K 4K 166960K 16 0 pinsyscall 42 84K 104K 166960K 1500 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 13 0 NDP 14 0K 1K 166960K 37 0 temp 106 8685K 8751K 166960K 12319 0 kqueue 16 26K 26K 166960K 59 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 52 0 49 1 0 1 1 0 8 0 rtentry 176 296 0 208 5 0 5 5 0 8 0 unpcb 144 243 0 222 4 1 3 4 0 8 2 syncache 336 5 0 5 1 1 0 1 0 8 0 tcpqe 32 3 0 3 1 1 0 1 0 8 0 tcpcb 736 131 0 124 7 0 7 7 0 8 6 arp 128 55 0 39 1 0 1 1 0 8 0 inpcb 328 337 0 325 7 0 7 7 0 8 5 nd6 144 29 0 6 1 0 1 1 0 8 0 pkpcb 40 7 0 7 1 0 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1192 6 0 5 2 1 1 1 0 8 0 pffrag 232 5 0 0 1 0 1 1 0 482 0 pffrnode 88 5 0 0 1 0 1 1 0 8 0 pffrent 40 5 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 1 0 1 0 8 0 pfanchor 1288 1 0 1 1 1 0 1 0 8 0 pfstitem 24 34 0 1 1 0 1 1 0 8 0 pfstkey 128 34 0 1 2 0 2 2 0 8 0 pfstate 384 34 0 1 4 0 4 4 0 8 0 pfrule 1344 23 0 18 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 676 0 293 29 2 27 29 0 8 3 art_table 32 678 0 293 4 0 4 4 0 8 0 art_node 16 231 0 153 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 1 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 76 0 66 1 0 1 1 0 8 0 shmpl 112 13 0 1 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 1974 0 458 96 0 96 96 0 8 0 ffsino 288 1974 0 458 109 0 109 109 0 8 0 nchpl 144 2494 0 792 64 0 64 64 0 8 0 rtmask 32 2 0 2 1 1 0 1 0 8 0 uvmvnodes 80 2309 0 0 48 0 48 48 0 8 0 vnodes 216 2309 0 0 129 0 129 129 0 8 0 namei 1024 8689 0 8688 1 0 1 1 0 8 0 percpumem 16 58 0 7 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 1 1 1 0 1 0 8 0 kstatmem 264 42 0 10 3 0 3 3 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 8219 0 8219 10 6 4 8 1 8 4 plimitpl 152 51 0 33 1 0 1 1 0 8 0 sigapl 424 677 0 628 7 1 6 7 0 8 0 knotepl 120 273 0 0 9 0 9 9 0 8 0 kqueuepl 224 80 0 67 1 0 1 1 0 8 0 pipepl 336 129 0 101 3 0 3 3 0 8 0 fdescpl 520 659 0 628 3 0 3 3 0 8 0 filepl 160 3517 0 3291 17 1 16 17 0 8 6 lockfpl 104 100 0 97 1 0 1 1 0 8 0 lockfspl 48 47 0 44 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 38 0 21 1 0 1 1 0 8 0 ucredpl 104 405 0 390 1 0 1 1 0 8 0 zombiepl 144 628 0 628 1 0 1 1 0 8 1 processpl 1240 677 0 628 5 1 4 5 0 8 0 procpl 656 1105 0 1045 6 0 6 6 0 8 0 srpgc 96 4 0 4 1 0 1 1 0 8 1 sockpl 728 647 0 611 13 2 11 13 0 8 7 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 121 0 0 16 0 16 16 0 8 0 mcl2k 2048 45 0 0 6 0 6 6 0 8 0 mtagpl 96 7 0 0 1 0 1 1 0 8 0 mbufpl 256 275 0 0 17 0 17 17 0 8 0 bufpl 280 2732 0 122 187 0 187 187 0 8 0 anonpl 32 5479 0 0 45 0 45 45 0 246 0 amapchunkpl 152 15538 0 15067 25 0 25 25 0 158 6 amappl16 200 2020 0 1994 5 3 2 5 0 8 0 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 118 0 106 1 0 1 1 0 8 0 amappl13 176 9 0 8 1 0 1 1 0 8 0 amappl12 168 1318 0 1287 3 1 2 2 0 8 0 amappl11 160 51 0 37 1 0 1 1 0 8 0 amappl10 152 39 0 39 1 1 0 1 0 8 0 amappl9 144 254 0 254 1 1 0 1 0 8 0 amappl8 136 20 0 18 1 0 1 1 0 8 0 amappl7 128 109 0 97 1 0 1 1 0 8 0 amappl6 120 218 0 215 1 0 1 1 0 8 0 amappl5 112 122 0 113 1 0 1 1 0 8 0 amappl4 104 325 0 306 1 0 1 1 0 8 0 amappl3 96 2825 0 2717 5 1 4 4 0 8 0 amappl2 88 672 0 607 2 0 2 2 0 8 0 amappl1 80 9729 0 9123 15 0 15 15 0 8 0 amappl 88 4390 0 4231 5 0 5 5 0 92 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 128 254 0 254 2 1 1 1 0 8 1 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 24 659 0 628 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 659 0 628 1 0 1 1 0 8 0 vmmpekpl 168 7220 0 7178 3 0 3 3 0 8 0 vmmpepl 168 48056 0 46087 96 1 95 96 0 357 5 vmsppl 480 658 0 628 5 0 5 5 0 8 0 rwobjpl 72 17828 0 14574 60 0 60 60 0 8 0 pdppl 4096 1325 0 1256 109 36 73 83 0 8 4 pvpl 32 12820 0 0 105 1 104 104 0 265 0 pmappl 256 658 0 628 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 407 0 41 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace ktrops(ffff80002a296a60,ffffffffffffffff,0,a0c7df9b,fffffd806abc2a78,fffffd80097fb548) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80002a296a60,ffffffffffffffff,0,a0c7df9b,fffffd806abc2a78,fffffd80097fb548) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd806abc2a78,4,20c7df9b,0,ffff80002a296a60) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd806abc2a78,4,20c7df9b,0,ffff80002a296a60) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80002a296a60,ffff8000333fb430,ffff8000333fb380) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff8000333fb430) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000333fb430) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdae0badf550, count: -5 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299ddff0) 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(ffffffff83975ae8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:131 [inline] __mp_lock(ffffffff83975ae8) at __mp_lock+0x192 sys/kern/kern_lock.c:162 ktrsysret(ffff80002a2bb728,63,0,ffff80002a35a050) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff80002a2bb728,63,0,ffff80002a35a050) at ktrsysret+0xde sys/kern/kern_ktrace.c:209 syscall(ffff80002a35a100) at syscall+0xa43 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80002a35a100) at syscall+0xa43 sys/arch/amd64/amd64/trap.c:600 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b6c82ae73c0, count: 8 ddb{1}> trace x86_ipi_db(ffff8000299ddff0) 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(ffffffff83975ae8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:131 [inline] __mp_lock(ffffffff83975ae8) at __mp_lock+0x192 sys/kern/kern_lock.c:162 ktrsysret(ffff80002a2bb728,63,0,ffff80002a35a050) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff80002a2bb728,63,0,ffff80002a35a050) at ktrsysret+0xde sys/kern/kern_ktrace.c:209 syscall(ffff80002a35a100) at syscall+0xa43 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80002a35a100) at syscall+0xa43 sys/arch/amd64/amd64/trap.c:600 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b6c82ae73c0, count: -7