witness: lock_object uninitialized: 0xffff800001087028 Starting stack trace... witness_checkorder(ffff800001087028,9,0) at witness_checkorder+0x13b witness_debugger sys/kern/subr_witness.c:2510 [inline] witness_checkorder(ffff800001087028,9,0) at witness_checkorder+0x13b sys/kern/subr_witness.c:777 rw_enter_write(ffff800001087018) at rw_enter_write+0x5c sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800001087000) at unveil_delete_names+0x34 sys/kern/kern_unveil.c:102 unveil_destroy(ffff8000ffff0488) at unveil_destroy+0x9d sys/kern/kern_unveil.c:183 exit1(ffff80002a22a2b8,0,0,1) at exit1+0x3ef sys/kern/kern_exit.c:218 sys_exit(ffff80002a22a2b8,ffff800035d656d0,ffff800035d65630) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff800035d656d0 ) at syscall+0x53b mi_syscall sys/sys/syscall_mi.h:183 [inline] ) at syscall+0x53b sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7babc141c7c0, count: 249 End of stack trace. Stopped at db_enter+0x1c: addq $0x8,%rsp ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffff800001087028,9,0) at witness_checkorder+0x140 rw_enter_write(ffff800001087018) at rw_enter_write+0x5c sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800001087000) at unveil_delete_names+0x34 sys/kern/kern_unveil.c:102 unveil_destroy(ffff8000ffff0488) at unveil_destroy+0x9d sys/kern/kern_unveil.c:183 exit1(ffff80002a22a2b8,0,0,1) at exit1+0x3ef sys/kern/kern_exit.c:218 sys_exit(ffff80002a22a2b8,ffff800035d656d0,ffff800035d65630) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff800035d656d0) at syscall+0x53b mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff800035d656d0) at syscall+0x53b sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7babc141c7c0, count: -9 ddb{0}> show registers rdi 0 rsi 0x4000000000000000 rbp 0xffff800035d65390 rbx 0 rdx 0 rcx 0xffff80002a22a2b8 rax 0xffffffff82cc1ff0 cpu_info_full_primary+0x1ff0 r8 0xffff800035d65330 r9 0x8080808080808080 r10 0xffff800035d65280 r11 0x1b00deb9ceff1881 r12 0 r13 0x1 r14 0xffff800001087028 r15 0x3 rip 0xffffffff826c18ec db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff800035d65380 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.4) tid=258872 pid=75122 tcnt=1 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a22a2b8 forw=0xffffffffffffffff, list=0xffff80002a18a7f8,0xffff80002a22a020 process=0xffff8000ffff0488 user=0xffff800035d60000, vmspace=0xfffffd8008b8a700 estcpu=36, cpticks=8, pctcpu=0.0, user=0, sys=7, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 21312 109954 35923 0 2 0 syz-executor.5 21312 141707 35923 0 3 0x4000080 fsleep syz-executor.5 31621 338952 4883 60928 2 0x10 syz-executor.7 31621 521748 4883 60928 3 0x4000090 fsleep syz-executor.7 56020 320965 88682 0 2 0 syz-executor.0 56020 190822 88682 0 3 0x4000080 fsleep syz-executor.0 18103 136770 39110 0 2 0 syz-executor.6 18103 500810 39110 0 3 0x4000080 fsleep syz-executor.6 51531 129238 27351 0 2 0 syz-executor.1 51531 147558 27351 0 3 0x4000080 netcon syz-executor.1 51531 316245 27351 0 2 0x4000000 syz-executor.1 44457 241016 55172 0 2 0x482 syz-executor.4 35923 195794 55172 0 2 0x482 syz-executor.5 39110 27815 55172 0 2 0x482 syz-executor.6 27351 83744 55172 0 2 0x482 syz-executor.1 83661 114244 55172 0 2 0x482 syz-executor.2 4883 448912 55172 0 2 0x482 syz-executor.7 88682 393483 55172 0 2 0x482 syz-executor.0 39676 379218 0 0 3 0x14200 acct acct 41799 367262 55172 0 2 0x2 syz-executor.3 3456 336991 1 0 3 0x80 fsleep syz-executor.5 3456 500419 1 0 3 0x4000080 kqread syz-executor.5 37432 418096 1 0 2 0x18100083 getty 58473 367905 1 0 3 0x80 fsleep syz-executor.6 58473 288313 1 0 3 0x4000080 netio syz-executor.6 58473 188037 1 0 3 0x4000080 fsleep syz-executor.6 40395 12604 1 0 3 0x80 fsleep syz-executor.5 40395 136123 1 0 3 0x4000080 netio syz-executor.5 31015 404115 0 0 3 0x14280 nfsidl nfsio 11436 66297 0 0 3 0x14280 nfsidl nfsio 20719 413915 0 0 3 0x14280 nfsidl nfsio 35962 381759 0 0 3 0x14280 nfsidl nfsio 26164 66036 0 0 3 0x14280 nfsidl nfsio 28077 48655 0 0 3 0x14280 nfsidl nfsio 49979 487590 0 0 3 0x14280 nfsidl nfsio 24468 430053 0 0 3 0x14280 nfsidl nfsio 98653 332389 0 0 3 0x14280 nfsidl nfsio 70270 458221 0 0 3 0x14280 nfsidl nfsio 25161 406212 0 0 3 0x14280 nfsidl nfsio 35757 68786 0 0 3 0x14280 nfsidl nfsio 68385 128661 0 0 3 0x14280 nfsidl nfsio 31254 90762 0 0 3 0x14280 nfsidl nfsio 63016 217311 0 0 3 0x14280 nfsidl nfsio 25045 229685 0 0 3 0x14280 nfsidl nfsio 64110 325331 0 0 3 0x14280 nfsidl nfsio 95005 481252 0 0 3 0x14280 nfsidl nfsio 79079 251353 0 0 3 0x14280 nfsidl nfsio 43195 71901 0 0 3 0x14280 nfsidl nfsio 66513 239932 0 0 3 0x14200 bored sosplice 55172 94856 56163 0 3 0x1a000082 wait syz-fuzzer 55172 157095 56163 0 3 0x1e000082 thrsleep syz-fuzzer 55172 328492 56163 0 3 0x1e000082 wait syz-fuzzer 55172 399521 56163 0 3 0x1e000082 thrsleep syz-fuzzer 55172 290734 56163 0 3 0x1e000082 thrsleep syz-fuzzer 55172 29902 56163 0 3 0x1e000082 wait syz-fuzzer 55172 449338 56163 0 3 0x1e000082 wait syz-fuzzer 55172 464699 56163 0 3 0x1e000082 thrsleep syz-fuzzer 55172 95895 56163 0 3 0x1e000082 thrsleep syz-fuzzer 55172 195560 56163 0 3 0x1e000082 wait syz-fuzzer 55172 5331 56163 0 3 0x1e000082 thrsleep syz-fuzzer 55172 38365 56163 0 3 0x1e000082 thrsleep syz-fuzzer 55172 404437 56163 0 3 0x1e000082 thrsleep syz-fuzzer 55172 380240 56163 0 3 0x1e000082 wait syz-fuzzer 55172 212288 56163 0 3 0x1e000082 wait syz-fuzzer 55172 87660 56163 0 3 0x1e000082 wait syz-fuzzer 55172 362446 56163 0 3 0x1e000082 kqread syz-fuzzer 56163 354904 55628 0 3 0x810008a sigsusp ksh 55628 193198 71975 0 3 0x1800009a kqread sshd 71975 432674 1 0 3 0x18000088 kqread sshd 50862 223420 47092 74 3 0x19100092 bpf pflogd 47092 46188 1 0 3 0x18000080 netio pflogd 22111 136410 72966 73 2 0x19100090 syslogd 72966 443396 1 0 3 0x18100082 netio syslogd 90244 391584 1 0 3 0x18100080 kqread resolvd 16078 5515 2714 77 3 0x18100092 kqread dhcpleased 57408 340185 2714 77 3 0x18100092 kqread dhcpleased 2714 26396 1 0 3 0x18000080 kqread dhcpleased 33165 519641 0 0 3 0x14200 bored smr 32494 95067 0 0 2 0x14200 zerothread 63085 86946 0 0 3 0x14200 aiodoned aiodoned 59886 474236 0 0 3 0x14200 syncer update 57630 124332 0 0 3 0x14200 cleaner cleaner 18841 451115 0 0 2 0x14200 reaper 64734 47199 0 0 3 0x14200 pgdaemon pagedaemon 18615 102404 0 0 3 0x14200 bored viomb 77301 284912 0 0 3 0x40014200 acpi0 acpi0 49227 402813 0 0 7 0x40014200 idle1 34556 461889 0 0 3 0x14200 bored softnet3 71632 90961 0 0 3 0x14200 bored softnet2 34198 83671 0 0 3 0x14200 bored softnet1 501 273286 0 0 3 0x14200 bored softnet0 39558 130156 0 0 3 0x14200 bored systqmp 80304 49344 0 0 3 0x14200 bored systq 58912 98673 0 0 3 0x14200 tmoslp softclockmp 80902 255003 0 0 2 0x40014200 softclock 57077 155487 0 0 3 0x40014200 idle0 1 152094 0 0 3 0x8080082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 21312 (syz-executor.5) thread 0xffff80002ba7faa8 (109954) exclusive rwlock vmmaplk r = 0 (0xfffffd807beb9498) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32a sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5372 #3 uvmfault_lookup+0xb6 sys/uvm/uvm_fault.c:1779 #4 uvm_fault_check+0x63d uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] #4 uvm_fault_check+0x63d sys/uvm/uvm_fault.c:710 #5 uvm_fault+0xf2 sys/uvm/uvm_fault.c:600 #6 upageflttrap+0x8b sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x227 sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 Process 51531 (syz-executor.1) thread 0xffff80002a189d58 (316245) exclusive rwlock vmmaplk r = 0 (0xfffffd8060ebb108) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32a sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5372 #3 uvmfault_lookup+0xb6 sys/uvm/uvm_fault.c:1779 #4 uvm_fault_check+0x63d uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] #4 uvm_fault_check+0x63d sys/uvm/uvm_fault.c:710 #5 uvm_fault+0xf2 sys/uvm/uvm_fault.c:600 #6 upageflttrap+0x8b sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x227 sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 Process 41799 (syz-executor.3) thread 0xffff80002a1e2298 (367262) exclusive rrwlock inode r = 0 (0xfffffd807a57a3c8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32a sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8e sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x46 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xe6 sys/ufs/ufs/ufs_vnops.c:1117 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3077 #10 syscall+0x53b mi_syscall sys/sys/syscall_mi.h:183 [inline] #10 syscall+0x53b sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8065c1e5e8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32a sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8e sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 #6 namei+0x56a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3062 #8 syscall+0x53b mi_syscall sys/sys/syscall_mi.h:183 [inline] #8 syscall+0x53b sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 18841 (reaper) thread 0xffff80002a145d50 (451115) exclusive rwlock kmmaplk r = 0 (0xffffffff82d79390) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32a sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5372 #3 uvm_unmap+0x6f sys/uvm/uvm_map.c:1855 #4 uvm_uarea_free+0x39 sys/uvm/uvm_glue.c:288 #5 reaper+0x168 sys/kern/kern_exit.c:452 #6 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10231 6519K 7061K 166960K 18843 0 pcb 15 30K 34K 166960K 3225 0 rtable 228 7K 8K 166960K 5971 0 pf 32 9K 10K 166960K 692 0 ifaddr 47 20K 21K 166960K 698 0 ifgroup 55 2K 2K 166960K 1118 0 sysctl 4 1K 2K 166960K 10 0 counters 64 36K 37K 166960K 638 0 ioctlops 0 0K 4K 166960K 2909 0 iov 0 0K 26K 166960K 3106 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1560 98K 99K 166960K 7883 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 311 0 VM map 2 1K 1K 166960K 2 0 sem 10 0K 1K 166960K 15 0 dirhash 12 2K 2K 166960K 195 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 18 65K 81K 166960K 27917 0 sigio 0 0K 0K 166960K 1144 0 proc 81 116K 128K 166960K 4305 0 subproc 143 8K 9K 166960K 1555 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 1882 0 in_multi 88 6K 7K 166960K 1666 0 ether_multi 1 0K 0K 166960K 27 0 mrt 1 0K 0K 166960K 13 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 283 1261K 1261K 166960K 283 0 exec 0 0K 1K 166960K 4204 0 pfkey data 0 0K 0K 166960K 78 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 709 1073K 1074K 166960K 270096 0 UVM aobj 131 4K 4K 166960K 145 0 pinsyscall 26 52K 108K 166960K 4538 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 1091 0 NDP 12 0K 2K 166960K 547 0 temp 86 6812K 6944K 166960K 247470 0 kqueue 12 18K 30K 166960K 2153 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 2177 0 2174 31 30 1 4 0 8 0 rtentry 112 2040 0 1936 8 4 4 4 0 8 0 unpcb 144 22383 0 22364 210 209 1 10 0 8 0 syncache 336 195 0 195 39 38 1 1 0 8 1 sackhl 24 2 13 2 1 1 0 1 0 8 0 tcpqe 32 693 0 693 34 34 0 2 0 8 0 tcpcb 808 8435 0 8423 273 265 8 22 0 8 6 arp 120 386 0 370 1 0 1 1 0 8 0 ipq 40 2 0 2 1 1 0 1 0 8 0 ipqe 40 6 0 6 1 1 0 1 0 8 0 inpcb 392 22796 0 22778 424 416 8 23 0 8 6 nd6 136 373 0 349 1 0 1 1 0 8 0 pkpcb 40 70 0 70 11 11 0 1 0 8 0 kcovpl 48 118 0 107 1 0 1 1 0 8 0 ppxss 1168 81 0 81 21 21 0 1 0 8 0 pffrag 232 294 0 291 9 8 1 1 0 482 0 pffrnode 88 292 0 289 9 8 1 1 0 8 0 pffrent 40 788 0 785 9 8 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 24 812 0 791 1 0 1 1 0 8 0 pfstkey 128 813 0 792 4 2 2 2 0 8 0 pfstate 376 813 0 792 15 12 3 6 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 3 0 2 3 2 1 3 0 8 0 art_heap4 256 6937 0 6499 80 49 31 33 0 8 0 art_table 32 6940 0 6501 5 1 4 5 0 8 0 art_node 16 1908 0 1815 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 1 1 0 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 8 0 0 1 0 1 1 0 8 0 shmpl 112 142 0 14 4 0 4 4 0 8 0 dirhash 1024 139 0 122 3 0 3 3 0 8 0 dino2pl 256 35957 0 34339 103 1 102 102 0 8 0 ffsino 272 35957 0 34339 109 0 109 109 0 8 0 nchpl 144 72766 0 71018 67 1 66 67 0 8 0 uvmvnodes 80 8433 0 0 173 0 173 173 0 8 0 vnodes 216 8433 0 0 469 0 469 469 0 8 0 namei 1024 245460 0 245459 20 17 3 3 0 8 2 percpumem 16 333 0 287 1 0 1 1 0 8 0 vcpupl 2048 317 0 1 40 0 40 40 0 8 0 vmpool 696 419 0 103 34 5 29 29 0 8 0 kstatmem 264 598 0 574 3 1 2 3 0 8 0 scxspl 216 230866 0 230866 51 50 1 8 1 8 1 plimitpl 152 3173 0 3154 1 0 1 1 0 8 0 sigapl 424 28053 0 27980 9 0 9 9 0 8 0 futexpl 64 230031 0 230023 2 1 1 1 0 8 0 knotepl 120 1880 0 0 20 3 17 19 0 8 0 kqueuepl 216 5653 0 5644 99 96 3 8 0 8 2 pipepl 320 4172 0 4139 99 96 3 13 0 8 0 fdescpl 496 28009 0 27978 8 3 5 5 0 8 0 filepl 152 160800 0 160497 296 280 16 25 0 8 3 lockfpl 104 6223 0 6221 5 4 1 2 0 8 0 lockfspl 48 2090 0 2088 1 0 1 1 0 8 0 sessionpl 144 124 0 104 1 0 1 1 0 8 0 pgrppl 48 681 0 661 1 0 1 1 0 8 0 ucredpl 104 18138 0 18125 1 0 1 1 0 8 0 zombiepl 144 29072 0 29070 2 1 1 1 0 8 0 processpl 1136 28053 0 27980 6 0 6 6 0 8 0 procpl 680 75452 0 75352 37 27 10 10 0 8 0 srpgc 96 123 0 123 41 40 1 1 0 8 1 sosppl 168 305 0 305 28 27 1 1 0 8 1 sockpl 584 47585 0 47544 431 423 8 21 0 8 4 mcl64k 65536 25 0 0 4 1 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 33 0 0 2 0 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 50 0 0 5 2 3 3 0 8 0 mcl4k 4096 41 0 0 5 3 2 3 0 8 0 mcl2k2 2112 17 0 0 2 0 2 2 0 8 0 mcl2k 2048 561 0 0 38 24 14 38 0 8 0 mtagpl 96 199 0 0 5 0 5 5 0 8 0 mbufpl 256 8383 0 0 443 0 443 443 0 8 0 bufpl 280 50342 0 41909 603 0 603 603 0 8 0 anonpl 24 2908619 0 2892067 326 192 134 206 0 186 0 amapchunkpl 152 872443 0 871350 222 174 48 72 0 158 1 amappl16 200 58918 0 58216 261 218 43 51 0 8 2 amappl15 192 146 0 145 1 0 1 1 0 8 0 amappl14 184 495 0 471 4 2 2 2 0 8 0 amappl13 176 15 0 14 1 0 1 1 0 8 0 amappl12 168 30233 0 30186 5 2 3 3 0 8 0 amappl11 160 104 0 89 1 0 1 1 0 8 0 amappl10 152 250 0 226 1 0 1 1 0 8 0 amappl9 144 552 0 552 53 52 1 1 0 8 1 amappl8 136 1441 0 1231 8 0 8 8 0 8 0 amappl7 128 235 0 219 1 0 1 1 0 8 0 amappl6 120 1787 0 1759 2 1 1 2 0 8 0 amappl5 112 1071 0 1056 1 0 1 1 0 8 0 amappl4 104 1831 0 1774 3 0 3 3 0 8 0 amappl3 96 164924 0 164811 22 18 4 4 0 8 0 amappl2 88 29651 0 29562 6 3 3 4 0 8 0 amappl1 80 113530 0 112964 24 11 13 23 0 8 0 amappl 88 268040 0 267664 12 2 10 10 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 72 144 0 14 3 0 3 3 0 8 0 uaddrrnd 24 28428 0 28080 3 0 3 3 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 28428 0 28080 3 0 3 3 0 8 0 vmmpekpl 168 195009 0 194893 6 0 6 6 0 8 0 vmmpepl 168 1710212 0 1706819 785 608 177 200 0 357 1 vmsppl 448 28427 0 28080 41 2 39 39 0 8 0 rwobjpl 56 402873 0 392127 177 23 154 155 0 8 0 pdppl 4096 56863 0 56476 1485 1094 391 393 0 8 4 pvpl 32 45094 0 0 364 0 364 364 0 265 0 pmappl 248 28427 0 28080 23 1 22 22 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 3186 0 1971 35 0 35 35 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffff800001087028,9,0) at witness_checkorder+0x140 rw_enter_write(ffff800001087018) at rw_enter_write+0x5c sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800001087000) at unveil_delete_names+0x34 sys/kern/kern_unveil.c:102 unveil_destroy(ffff8000ffff0488) at unveil_destroy+0x9d sys/kern/kern_unveil.c:183 exit1(ffff80002a22a2b8,0,0,1) at exit1+0x3ef sys/kern/kern_exit.c:218 sys_exit(ffff80002a22a2b8,ffff800035d656d0,ffff800035d65630) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff800035d656d0) at syscall+0x53b mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff800035d656d0) at syscall+0x53b sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7babc141c7c0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 acpicpu_idle() at acpicpu_idle+0x2f1 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800029cebff0) at sched_idle+0x41d sys/kern/kern_sched.c:183 end trace frame: 0x0, count: -5