witness: lock_object uninitialized: 0xffff8000014db030 Starting stack trace... witness_checkorder(ffff8000014db030,9,0) at witness_checkorder+0x1af witness_debugger sys/kern/subr_witness.c:2522 [inline] witness_checkorder(ffff8000014db030,9,0) at witness_checkorder+0x1af sys/kern/subr_witness.c:779 rw_do_enter_write(ffff8000014db018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 unveil_delete_names(ffff8000014db000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80003c565db0) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff8000ffff4558,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff8000ffff4558,ffff80002a358490,ffff80002a3583e0) at sys_exit+0x1a syscall(ffff80002a358490) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a358490) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a8840db1fa0, count: 249 End of stack trace. Stopped at db_enter+0x25: 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+0x25 sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffff8000014db030,9,0) at witness_checkorder+0x1b4 rw_do_enter_write(ffff8000014db018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 unveil_delete_names(ffff8000014db000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80003c565db0) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff8000ffff4558,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff8000ffff4558,ffff80002a358490,ffff80002a3583e0) at sys_exit+0x1a syscall(ffff80002a358490) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a358490) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a8840db1fa0, count: -9 ddb{0}> show registers rdi 0 rsi 0x4000000000000000 rbp 0xffff80002a358120 rbx 0 rdx 0 rcx 0xffff8000ffff4558 rax 0xffffffff83851ff0 cpu_info_full_primary+0x1ff0 r8 0xffff80002a3580c0 r9 0x8080808080808080 r10 0xffff80002a358010 r11 0x65c843356330db45 r12 0 r13 0x1 r14 0xffff8000014db030 r15 0x3 rip 0xffffffff81441685 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a358110 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=503407 pid=87911 tcnt=0 stat=onproc flags process=1018 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000ffff4558 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff8000ffff5c68,0xffff8000ffff54c8 process=0xffff80003c565db0 user=0xffff80002a353000, vmspace=0xfffffd80608ea748 estcpu=36, cpticks=11, pctcpu=0.0, user=0, sys=8, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 30419 244296 69017 0 3 0 vmmaplk syz-executor 30419 288924 69017 0 2 0x4000000 syz-executor 66009 33642 27959 0 2 0 syz-executor 66009 209627 27959 0 3 0x4000080 fsleep syz-executor 18235 323740 31360 0 2 0 syz-executor 18235 459686 31360 0 3 0x4000080 fsleep syz-executor 18235 284847 31360 0 3 0x4000080 fsleep syz-executor 18235 315572 31360 0 3 0x4000080 fsleep syz-executor 75549 492533 30732 0 2 0 syz-executor 75549 106949 30732 0 3 0x4000080 fsleep syz-executor 59225 437367 35327 0 2 0 syz-executor 59225 467000 35327 0 3 0x4000080 fsleep syz-executor 59225 170042 35327 0 3 0x4000080 fsleep syz-executor 83987 56835 0 0 3 0x14200 acct acct 65985 194336 1 0 2 0x100083 getty 78205 256828 57151 0 2 0x2 syz-executor 27959 279652 57151 0 2 0x482 syz-executor 69017 460440 57151 0 2 0x482 syz-executor 77102 157174 86147 0 3 0x82 sbwait sshd-session 75764 268308 0 0 3 0x14200 bored sosplice 62750 29327 0 0 3 0x14280 nfsidl nfsio 29333 230805 0 0 3 0x14280 nfsidl nfsio 79675 307490 0 0 3 0x14280 nfsidl nfsio 50480 323584 0 0 3 0x14280 nfsidl nfsio 99648 285856 0 0 3 0x14280 nfsidl nfsio 59127 502911 0 0 3 0x14280 nfsidl nfsio 77812 196116 0 0 3 0x14280 nfsidl nfsio 13625 323297 0 0 3 0x14280 nfsidl nfsio 69932 3247 0 0 3 0x14280 nfsidl nfsio 55319 290501 0 0 3 0x14280 nfsidl nfsio 11967 17217 0 0 3 0x14280 nfsidl nfsio 52730 324332 0 0 3 0x14280 nfsidl nfsio 48180 285036 0 0 3 0x14280 nfsidl nfsio 68198 149756 0 0 3 0x14280 nfsidl nfsio 83737 431831 0 0 3 0x14280 nfsidl nfsio 38993 108748 0 0 3 0x14280 nfsidl nfsio 31113 506143 0 0 3 0x14280 nfsidl nfsio 31468 301401 0 0 3 0x14280 nfsidl nfsio 60732 325311 0 0 3 0x14280 nfsidl nfsio 35585 448246 0 0 3 0x14280 nfsidl nfsio 31360 371947 57151 0 2 0x482 syz-executor 84685 298803 57151 0 2 0x482 syz-executor 35327 391124 57151 0 2 0x2 syz-executor 8506 519239 57151 0 7 0x2 syz-executor 30732 392481 57151 0 2 0x482 syz-executor 57151 354488 91406 0 2 0x2 syz-executor 91406 485122 16955 0 3 0x10008a sigsusp ksh 16955 176089 57928 0 3 0x98 kqread sshd-session 57928 3619 86147 0 3 0x92 kqread sshd-session 86147 430038 1 0 3 0x88 kqread sshd 55975 510466 12641 74 3 0x1100092 bpf pflogd 12641 481580 1 0 3 0x80 sbwait pflogd 61277 8436 29209 73 2 0x1100090 syslogd 29209 148071 1 0 3 0x100082 sbwait syslogd 88820 489359 1 0 3 0x100080 kqread resolvd 87568 411941 34596 77 3 0x100092 kqread dhcpleased 57995 500853 34596 77 3 0x100092 kqread dhcpleased 34596 294324 1 0 3 0x80 kqread dhcpleased 47073 197744 0 0 3 0x14200 bored smr 12210 163429 0 0 2 0x14200 zerothread 52184 282294 0 0 3 0x14200 aiodoned aiodoned 35112 523616 0 0 3 0x14200 syncer update 95628 157996 0 0 3 0x14200 cleaner cleaner 84547 28190 0 0 2 0x14200 reaper 64436 106893 0 0 3 0x14200 pgdaemon pagedaemon 9906 390720 0 0 3 0x14200 bored viomb 17378 192108 0 0 3 0x40014200 acpi0 acpi0 31014 100107 0 0 3 0x40014200 idle1 62662 45238 0 0 3 0x14200 bored softnet3 53349 312778 0 0 3 0x14200 bored softnet2 15353 216207 0 0 3 0x14200 bored softnet1 34475 49555 0 0 2 0x14200 softnet0 39825 126973 0 0 3 0x14200 bored systqmp 14297 489790 0 0 3 0x14200 bored systq 84220 10514 0 0 3 0x14200 tmoslp softclockmp 27656 421626 0 0 2 0x40014200 softclock 30531 405098 0 0 3 0x40014200 idle0 1 330859 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 30419 (syz-executor) thread 0xffff8000ffff6a70 (288924) exclusive rwlock vmmaplk r = 0 (0xfffffd806bea92e0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5250 #3 uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1858 #4 uvm_fault_check+0x987 uvmfault_amapcopy sys/uvm/uvm_fault.c:235 [inline] #4 uvm_fault_check+0x987 sys/uvm/uvm_fault.c:774 #5 uvm_fault+0x106 sys/uvm/uvm_fault.c:668 #6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 Process 78205 (syz-executor) thread 0xffff8000ffff4f98 (256828) exclusive rrwlock inode r = 0 (0xfffffd806e67f510) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd sys/kern/vfs_subr.c:694 #6 ufs_ihashget+0x185 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:1851 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80621e3848) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #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:1851 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 8506 (syz-executor) thread 0xffff80002a37af78 (519239) exclusive rwlock vmmaplk r = 0 (0xfffffd806bea94a8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5250 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3820 #4 process_new+0x553 sys/kern/kern_fork.c:279 #5 fork1+0x3ea sys/kern/kern_fork.c:405 #6 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd807eb8c490) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5250 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3811 #4 process_new+0x553 sys/kern/kern_fork.c:279 #5 fork1+0x3ea sys/kern/kern_fork.c:405 #6 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 84547 (reaper) thread 0xffff8000ffffd488 (28190) exclusive rwlock kmmaplk r = 0 (0xffffffff838cfdb0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5250 #3 uvm_unmap+0x81 sys/uvm/uvm_map.c:1792 #4 km_free+0x87 sys/uvm/uvm_km.c:833 #5 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:284 #6 reaper+0x1fe sys/kern/kern_exit.c:466 #7 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10240 11190K 11540K 166960K 13606 0 pcb 18 18K 20K 166960K 626 0 rtable 199 9K 9K 166960K 599 0 pf 41 18K 26K 166960K 214 0 ifaddr 38 6K 7K 166960K 105 0 ifgroup 63 2K 3K 166960K 159 0 sysctl 4 1K 1K 166960K 6 0 counters 68 36K 37K 166960K 154 0 ioctlops 0 0K 5K 166960K 1742 0 iov 0 0K 24K 166960K 117 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1521 96K 96K 166960K 3015 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 4 9K 13K 166960K 29 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 48 0 dirhash 12 2K 2K 166960K 39 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 236K 166960K 1548 0 sigio 0 0K 0K 166960K 25 0 proc 78 115K 140K 166960K 787 0 subproc 72 4K 4K 166960K 108 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 182 0 in_multi 73 5K 7K 166960K 207 0 ether_multi 1 0K 0K 166960K 8 0 mrt 1 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 796 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 4K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 232 73K 88K 166960K 16205 0 UVM aobj 131 6K 6K 166960K 134 0 pinsyscall 44 88K 104K 166960K 2766 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 80 0 NDP 14 0K 2K 166960K 70 0 temp 75 8644K 8771K 166960K 59486 0 kqueue 13 20K 30K 166960K 253 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 120 233 0 230 4 3 1 3 0 8 0 rtentry 112 189 0 105 4 0 4 4 0 8 0 unpcb 144 1118 0 1101 8 7 1 6 0 8 0 syncache 336 12 0 12 5 5 0 1 0 8 0 tcpqe 32 6 0 6 3 2 1 1 0 8 1 tcpcb 808 550 0 541 17 10 7 11 0 8 5 arp 120 30 0 18 1 0 1 1 0 8 0 inpcb 376 2107 0 2094 31 24 7 18 0 8 4 nd6 136 40 0 23 1 0 1 1 0 8 0 pkpcb 40 7 0 7 5 4 1 1 0 8 1 kcovpl 48 12 0 4 1 0 1 1 0 8 0 ppxss 1168 28 0 28 5 4 1 1 0 8 1 pppxif 1472 9 0 9 4 3 1 1 0 8 1 pffrag 232 9 0 4 1 0 1 1 0 482 0 pffrnode 88 9 0 4 1 0 1 1 0 8 0 pffrent 40 24 0 19 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 1 0 0 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 3 0 2 1 0 1 1 0 8 0 pfstitem 24 112 0 56 1 0 1 1 0 8 0 pfstkey 128 112 0 56 3 0 3 3 0 8 0 pfstate 376 111 0 56 7 0 7 7 0 8 0 pfrule 1344 102 0 27 8 1 7 7 0 8 0 art_heap8 4096 5 0 2 3 0 3 3 0 8 0 art_heap4 256 785 0 424 31 6 25 29 0 8 2 art_table 32 790 0 426 4 0 4 4 0 8 0 art_node 16 184 0 108 1 0 1 1 0 8 0 sysvmsgpl 40 20 0 14 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 46 0 36 1 0 1 1 0 8 0 shmpl 112 131 0 3 4 0 4 4 0 8 0 dirhash 1024 35 0 18 3 0 3 3 0 8 0 dino2pl 256 4191 0 2678 96 0 96 96 0 8 0 ffsino 280 4191 0 2678 109 0 109 109 0 8 0 nchpl 144 6471 0 5874 63 40 23 63 0 8 0 rtmask 32 2 0 2 2 2 0 1 0 8 0 uvmvnodes 80 5313 0 0 109 0 109 109 0 8 0 vnodes 216 5313 0 0 296 0 296 296 0 8 0 namei 1024 23450 0 23450 3 2 1 2 0 8 1 percpumem 16 91 0 43 1 0 1 1 0 8 0 kstatmem 264 84 0 56 6 3 3 3 0 8 1 acpiwqpl 32 2 0 2 1 0 1 1 1 8 1 scsiplug 72 4 0 4 4 4 0 1 0 8 0 scxspl 216 20738 0 20738 10 9 1 8 1 8 1 plimitpl 152 458 0 441 1 0 1 1 0 8 0 sigapl 424 1869 0 1797 9 0 9 9 0 8 0 futexpl 64 21749 0 21742 1 0 1 1 0 8 0 knotepl 120 525 0 0 16 0 16 16 0 8 0 kqueuepl 216 697 0 688 9 6 3 5 0 8 2 pipepl 328 238 0 210 3 0 3 3 0 8 0 fdescpl 504 1817 0 1786 5 0 5 5 0 8 0 filepl 152 13702 0 13485 31 17 14 19 0 8 1 lockfpl 104 494 0 492 1 0 1 1 0 8 0 lockfspl 48 202 0 200 1 0 1 1 0 8 0 sessionpl 144 36 0 26 1 0 1 1 0 8 0 pgrppl 48 63 0 45 1 0 1 1 0 8 0 ucredpl 104 2616 0 2601 1 0 1 1 0 8 0 zombiepl 144 2418 0 2417 1 0 1 1 0 8 0 processpl 1168 1869 0 1797 6 0 6 6 0 8 0 procpl 656 4231 0 4148 8 0 8 8 0 8 0 srpgc 96 14 0 14 3 3 0 1 0 8 0 sosppl 168 9 0 9 2 2 0 1 0 8 0 sockpl 688 3493 0 3460 37 28 9 19 0 8 4 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 112 0 0 14 0 14 14 0 8 0 mcl2k 2048 23 0 0 3 0 3 3 0 8 0 mtagpl 96 81 0 0 2 0 2 2 0 8 0 mbufpl 256 241 0 0 16 0 16 16 0 8 1 bufpl 280 6390 0 236 440 0 440 440 0 8 0 anonpl 24 238564 0 234808 67 23 44 48 0 184 0 amapchunkpl 152 52294 0 51799 42 12 30 31 0 158 5 amappl16 200 4513 0 4478 37 30 7 15 0 8 0 amappl15 192 24 0 24 1 1 0 1 0 8 0 amappl14 184 209 0 196 1 0 1 1 0 8 0 amappl13 176 16 0 16 1 1 0 1 0 8 0 amappl12 168 2526 0 2495 3 1 2 2 0 8 0 amappl11 160 53 0 39 1 0 1 1 0 8 0 amappl10 152 9 0 9 2 2 0 1 0 8 0 amappl9 144 252 0 252 1 1 0 1 0 8 0 amappl8 136 23 0 20 1 0 1 1 0 8 0 amappl7 128 128 0 114 1 0 1 1 0 8 0 amappl6 120 228 0 223 1 0 1 1 0 8 0 amappl5 112 138 0 127 1 0 1 1 0 8 0 amappl4 104 360 0 339 1 0 1 1 0 8 0 amappl3 96 10651 0 10537 5 1 4 4 0 8 0 amappl2 88 790 0 721 2 0 2 2 0 8 0 amappl1 80 14515 0 13858 16 0 16 16 0 8 0 amappl 88 15660 0 15489 5 0 5 5 0 92 0 dma4096 4096 2 0 2 2 2 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 128 255 0 255 3 3 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 8 0 8 2 2 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 133 0 3 3 0 3 3 0 8 0 uaddrrnd 24 1817 0 1785 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1817 0 1785 1 0 1 1 0 8 0 vmmpekpl 168 16245 0 16191 3 0 3 3 0 8 0 vmmpepl 168 116279 0 114274 122 25 97 106 0 357 5 vmsppl 456 1816 0 1785 6 1 5 5 0 8 0 rwobjpl 64 37735 0 31248 106 1 105 105 0 8 0 pdppl 4096 3641 0 3570 119 46 73 85 0 8 2 pvpl 32 17034 0 0 137 0 137 137 0 265 0 pmappl 248 1816 0 1785 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 333 0 76 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffff8000014db030,9,0) at witness_checkorder+0x1b4 rw_do_enter_write(ffff8000014db018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 unveil_delete_names(ffff8000014db000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80003c565db0) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff8000ffff4558,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff8000ffff4558,ffff80002a358490,ffff80002a3583e0) at sys_exit+0x1a syscall(ffff80002a358490) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a358490) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a8840db1fa0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800029a9bff0) 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(ffffffff8398e688) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8398e688) at __mp_lock+0x192 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff8398e688,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 yield() at yield+0x6a sys/kern/sched_bsd.c:320 pool_get(ffffffff83901480,1) at pool_get+0x265 sys/kern/subr_pool.c:593 uvm_mapent_alloc(fffffd806bea93a8,0) at uvm_mapent_alloc+0x35a uvm_map_mkentry(fffffd806bea93a8,fffffd80617ee9e0,fffffd80617ee9e0,dd687f33000,1000,0,d36397254730966d,1000) at uvm_map_mkentry+0x87 uvm_mapent_clone(fffffd806bea93a8,dd687f33000,1000,0,3,7,cb0c16d39524e97,fffffd806cfc8178,ffff80002a3dffd8,fffffd806cfc8178) at uvm_mapent_clone+0xba sys/uvm/uvm_map.c:3549 uvm_mapent_forkzero(3,fffffd806bea93a8,0,fffffd806cfc8178,ffff80002a3dffd8) at uvm_mapent_forkzero+0x67 sys/uvm/uvm_map.c:3768 uvmspace_fork(ffff80002a3526d0) at uvmspace_fork+0x265 sys/uvm/uvm_map.c:3848 process_new(ffff8000ffff67e0,ffff80002a3526d0,1) at process_new+0x553 sys/kern/kern_fork.c:279 fork1(ffff80002a37af78,1,ffffffff81d24c80,0,ffff80002a3e01b0,0) at fork1+0x3ea sys/kern/kern_fork.c:405 syscall(ffff80002a3e0260) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3e0260) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d821687b460, count: -17