witness: lock_object uninitialized: 0xffff8000015a2030 Starting stack trace... witness_checkorder(ffff8000015a2030,9,0) at witness_checkorder+0x1af witness_debugger sys/kern/subr_witness.c:2522 [inline] witness_checkorder(ffff8000015a2030,9,0) at witness_checkorder+0x1af sys/kern/subr_witness.c:779 rw_do_enter_write(ffff8000015a2018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 unveil_delete_names(ffff8000015a2000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80003c4f2248) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff80002a403c68,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff80002a403c68,ffff80002fd3a680,ffff80002fd3a5d0) at sys_exit+0x1a syscall(ffff80002fd3a680) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002fd3a680) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75d1a7793e20, 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(ffff8000015a2030,9,0) at witness_checkorder+0x1b4 rw_do_enter_write(ffff8000015a2018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 unveil_delete_names(ffff8000015a2000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80003c4f2248) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff80002a403c68,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff80002a403c68,ffff80002fd3a680,ffff80002fd3a5d0) at sys_exit+0x1a syscall(ffff80002fd3a680) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002fd3a680) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75d1a7793e20, count: -9 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002fd3a310 rbx 0 rdx 0 rcx 0xffff80002a403c68 rax 0xffffffff83851ff0 cpu_info_full_primary+0x1ff0 r8 0xffff80002fd3a2b0 r9 0x8080808080808080 r10 0xfdafdbd92e98d476 r11 0x319f77f388ee5b2a r12 0 r13 0x1 r14 0xffff8000015a2030 r15 0x3 rip 0xffffffff81441685 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002fd3a300 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=259281 pid=89599 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a403c68 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003c506028,0xffff8000ffff82c0 process=0xffff80003c4f2248 user=0xffff80002fd35000, vmspace=0xfffffd805f6981f0 estcpu=36, cpticks=20, pctcpu=0.0, user=0, sys=8, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 11786 99068 52398 0 2 0 syz-executor 25905 173048 8760 0 2 0 syz-executor 25905 144204 8760 0 3 0x4000080 fsleep syz-executor 25905 214968 8760 0 3 0x4000080 fsleep syz-executor 25905 486725 8760 0 2 0x4000000 syz-executor 31577 365232 16415 0 2 0 syz-executor 31577 320128 16415 0 3 0x4000080 fsleep syz-executor 49086 360849 33685 0 2 0 syz-executor 49086 96659 33685 0 3 0x4000080 fsleep syz-executor 2289 167000 79005 0 2 0 syz-executor 2289 129146 79005 0 3 0x4000080 pipewr syz-executor 2289 333900 79005 0 2 0x4000000 syz-executor 68472 109027 5228 0 2 0 syz-executor 68472 343377 5228 0 7 0x4000000 syz-executor 68472 23446 5228 0 3 0x4000080 fsleep syz-executor 1168 358798 0 0 3 0x14280 nfsidl nfsio 731 292738 0 0 3 0x14280 nfsidl nfsio 65855 127850 0 0 3 0x14280 nfsidl nfsio 57073 224032 0 0 3 0x14280 nfsidl nfsio 55395 373422 0 0 3 0x14280 nfsidl nfsio 57890 254835 0 0 3 0x14280 nfsidl nfsio 32868 310987 0 0 3 0x14280 nfsidl nfsio 72593 399908 0 0 3 0x14280 nfsidl nfsio 19640 369460 0 0 3 0x14280 nfsidl nfsio 91270 382923 0 0 3 0x14280 nfsidl nfsio 32316 334410 0 0 3 0x14280 nfsidl nfsio 98162 65824 0 0 3 0x14280 nfsidl nfsio 92891 165939 0 0 3 0x14280 nfsidl nfsio 13169 12874 0 0 3 0x14280 nfsidl nfsio 9942 464634 0 0 3 0x14280 nfsidl nfsio 82585 489828 0 0 3 0x14280 nfsidl nfsio 84297 421950 0 0 3 0x14280 nfsidl nfsio 31281 344564 0 0 3 0x14280 nfsidl nfsio 63908 483909 0 0 3 0x14280 nfsidl nfsio 69431 400926 0 0 3 0x14280 nfsidl nfsio 46469 353107 0 0 3 0x14200 acct acct 97221 217584 64768 0 2 0x2 syz-executor 52398 519184 64768 0 2 0x482 syz-executor 33685 322987 64768 0 2 0x482 syz-executor 62581 286465 0 0 3 0x14200 bored sosplice 97300 382987 64768 0 2 0x482 syz-executor 5228 390202 64768 0 2 0x482 syz-executor 8760 387353 64768 0 2 0x482 syz-executor 16415 162321 64768 0 2 0x482 syz-executor 79005 219020 64768 0 2 0x482 syz-executor 64768 374765 91440 0 3 0x82 kqread syz-executor 91440 231789 66864 0 3 0x10008a sigsusp ksh 66864 103020 95615 0 3 0x98 kqread sshd-session 95615 159394 90616 0 3 0x92 kqread sshd-session 75764 506883 1 0 2 0x100083 getty 90616 154134 1 0 3 0x88 kqread sshd 9123 171025 97284 74 3 0x1100092 bpf pflogd 97284 134726 1 0 3 0x80 sbwait pflogd 61719 147024 68008 73 2 0x1100090 syslogd 68008 398549 1 0 3 0x100082 sbwait syslogd 20044 114716 1 0 3 0x100080 kqread resolvd 41201 76281 19033 77 3 0x100092 kqread dhcpleased 83945 330644 19033 77 3 0x100092 kqread dhcpleased 19033 473446 1 0 3 0x80 kqread dhcpleased 37557 475494 0 0 3 0x14200 bored smr 64607 507337 0 0 2 0x14200 zerothread 71017 163014 0 0 3 0x14200 aiodoned aiodoned 80869 409703 0 0 3 0x14200 syncer update 78736 303013 0 0 3 0x14200 cleaner cleaner 79582 362738 0 0 3 0x14200 reaper reaper 22786 337426 0 0 3 0x14200 pgdaemon pagedaemon 41035 210648 0 0 3 0x14200 bored viomb 28267 273777 0 0 3 0x40014200 acpi0 acpi0 90313 261655 0 0 3 0x40014200 idle1 96055 518762 0 0 3 0x14200 bored softnet3 22233 28839 0 0 3 0x14200 bored softnet2 77855 354097 0 0 3 0x14200 bored softnet1 11243 492988 0 0 2 0x14200 softnet0 40256 79997 0 0 3 0x14200 bored systqmp 27452 379119 0 0 3 0x14200 bored systq 82292 263365 0 0 2 0x14200 softclockmp 31352 424093 0 0 2 0x40014200 softclock 12653 115026 0 0 3 0x40014200 idle0 1 186111 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 25905 (syz-executor) thread 0xffff80002a402a78 (486725) exclusive rwlock vmmaplk r = 0 (0xfffffd805f698848) #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 2289 (syz-executor) thread 0xffff80003c5194b0 (333900) exclusive rwlock vmmaplk r = 0 (0xfffffd805f6984b8) #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 68472 (syz-executor) thread 0xffff80003c506028 (343377) exclusive rrwlock inode r = 0 (0xfffffd806bdb5540) #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 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 ptm_vn_open+0x40 sys/kern/tty_pty.c:1013 #12 ptmioctl+0x89a sys/kern/tty_pty.c:1178 #13 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #14 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #15 sys_ioctl+0x5c3 #16 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #16 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #17 Xsyscall+0x128 Process 97221 (syz-executor) thread 0xffff80003c506548 (217584) exclusive rrwlock inode r = 0 (0xfffffd806e678990) #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 (0xfffffd806b8c6a78) #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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10226 11026K 11493K 166960K 12475 0 pcb 19 14K 16K 166960K 200 0 rtable 199 7K 8K 166960K 638 0 pf 37 18K 18K 166960K 114 0 ifaddr 41 7K 8K 166960K 94 0 ifgroup 60 2K 2K 166960K 157 0 sysctl 4 1K 1K 166960K 6 0 counters 66 36K 37K 166960K 132 0 ioctlops 0 0K 4K 166960K 1536 0 iov 0 0K 18K 166960K 43 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1390 87K 88K 166960K 2012 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 13 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 75 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 93K 166960K 902 0 sigio 1 0K 0K 166960K 11 0 proc 81 115K 140K 166960K 673 0 subproc 72 4K 4K 166960K 99 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 255 0 in_multi 85 6K 7K 166960K 157 0 ether_multi 1 0K 0K 166960K 7 0 mrt 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 229 1023K 1023K 166960K 229 0 exec 0 0K 1K 166960K 579 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 2K 166960K 5 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 236 73K 89K 166960K 10016 0 UVM aobj 53 5K 5K 166960K 54 0 pinsyscall 42 84K 106K 166960K 2068 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 41 0 NDP 13 0K 2K 166960K 62 0 temp 64 8641K 8712K 166960K 21904 0 kqueue 15 24K 28K 166960K 134 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 120 121 0 118 2 1 1 2 0 8 0 rtentry 112 225 0 137 4 0 4 4 0 8 0 unpcb 144 755 0 736 10 5 5 6 0 8 4 syncache 336 5 0 5 2 2 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 462 0 456 14 6 8 8 0 8 7 arp 120 25 0 8 1 0 1 1 0 8 0 inpcb 376 1161 0 1147 21 11 10 11 0 8 8 nd6 136 37 0 14 1 0 1 1 0 8 0 pkpcb 40 14 0 14 1 0 1 1 0 8 1 kcovpl 48 11 0 3 1 0 1 1 0 8 0 ppxss 1168 19 0 19 1 0 1 1 0 8 1 pppxif 1472 4 0 4 2 1 1 1 0 8 1 pffrag 232 3 0 0 1 0 1 1 0 482 0 pffrnode 88 3 0 0 1 0 1 1 0 8 0 pffrent 40 4 0 1 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 24 102 0 31 1 0 1 1 0 8 0 pfstkey 128 102 0 31 3 0 3 3 0 8 0 pfstate 376 102 0 31 8 0 8 8 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 662 0 274 29 4 25 29 0 8 0 art_table 32 664 0 274 4 0 4 4 0 8 0 art_node 16 157 0 79 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 11 1 0 1 1 0 8 0 semapl 112 72 0 62 1 0 1 1 0 8 0 shmpl 112 51 0 1 2 0 2 2 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2818 0 1316 95 0 95 95 0 8 0 ffsino 280 2818 0 1316 109 0 109 109 0 8 0 nchpl 144 4028 0 2336 64 0 64 64 0 8 0 rtmask 32 1 0 1 1 0 1 1 0 8 1 uvmvnodes 80 3357 0 0 69 0 69 69 0 8 0 vnodes 216 3357 0 0 187 0 187 187 0 8 0 namei 1024 13636 0 13636 2 1 1 1 0 8 1 percpumem 16 80 0 33 1 0 1 1 0 8 0 kstatmem 264 80 0 54 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 12311 0 12311 8 6 2 5 1 8 2 plimitpl 152 215 0 198 1 0 1 1 0 8 0 sigapl 424 1218 0 1147 10 1 9 9 0 8 0 futexpl 64 11116 0 11111 1 0 1 1 0 8 0 knotepl 120 552 0 0 17 0 17 17 0 8 0 kqueuepl 216 226 0 215 2 1 1 2 0 8 0 pipepl 328 183 0 153 3 0 3 3 0 8 0 fdescpl 504 1178 0 1148 5 0 5 5 0 8 0 filepl 152 6948 0 6713 25 9 16 18 0 8 4 lockfpl 104 410 0 407 2 1 1 2 0 8 0 lockfspl 48 93 0 90 1 0 1 1 0 8 0 sessionpl 144 27 0 18 1 0 1 1 0 8 0 pgrppl 48 49 0 32 1 0 1 1 0 8 0 ucredpl 104 951 0 937 1 0 1 1 0 8 0 zombiepl 144 1515 0 1514 1 0 1 1 0 8 0 processpl 1168 1218 0 1147 7 1 6 6 0 8 0 procpl 656 2470 0 2390 8 0 8 8 0 8 0 srpgc 96 8 0 8 3 2 1 1 0 8 1 sosppl 168 7 0 7 3 2 1 1 0 8 1 sockpl 688 2060 0 2024 28 16 12 15 0 8 8 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 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 134 0 0 17 0 17 17 0 8 0 mcl2k 2048 23 0 0 3 0 3 3 0 8 0 mtagpl 96 75 0 0 2 0 2 2 0 8 0 mbufpl 256 287 0 0 18 0 18 18 0 8 0 bufpl 280 3640 0 133 251 0 251 251 0 8 0 anonpl 24 132780 0 127780 59 3 56 56 0 184 18 amapchunkpl 152 30937 0 30362 30 4 26 26 0 158 1 amappl16 200 1508 0 1451 19 5 14 16 0 8 8 amappl15 192 3 0 3 2 2 0 1 0 8 0 amappl14 184 121 0 109 1 0 1 1 0 8 0 amappl13 176 1 0 1 1 1 0 1 0 8 0 amappl12 168 1868 0 1836 3 1 2 2 0 8 0 amappl11 160 48 0 34 1 0 1 1 0 8 0 amappl10 152 39 0 39 1 1 0 1 0 8 0 amappl9 144 255 0 255 1 1 0 1 0 8 0 amappl8 136 18 0 15 1 0 1 1 0 8 0 amappl7 128 112 0 99 1 0 1 1 0 8 0 amappl6 120 200 0 197 1 0 1 1 0 8 0 amappl5 112 148 0 138 1 0 1 1 0 8 0 amappl4 104 324 0 303 1 0 1 1 0 8 0 amappl3 96 6374 0 6257 4 0 4 4 0 8 0 amappl2 88 692 0 629 2 0 2 2 0 8 0 amappl1 80 10664 0 10087 14 0 14 14 0 8 0 amappl 88 9570 0 9390 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 128 253 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 53 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1178 0 1147 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1178 0 1147 1 0 1 1 0 8 0 vmmpekpl 168 10655 0 10599 3 0 3 3 0 8 0 vmmpepl 168 74706 0 72790 102 5 97 97 0 357 9 vmsppl 456 1177 0 1147 6 1 5 5 0 8 0 rwobjpl 64 24173 0 19784 72 0 72 72 0 8 0 pdppl 4096 2363 0 2294 117 46 71 85 0 8 2 pvpl 32 16663 0 0 136 1 135 135 0 265 0 pmappl 248 1177 0 1147 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 322 0 63 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(ffff8000015a2030,9,0) at witness_checkorder+0x1b4 rw_do_enter_write(ffff8000015a2018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 unveil_delete_names(ffff8000015a2000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80003c4f2248) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff80002a403c68,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff80002a403c68,ffff80002fd3a680,ffff80002fd3a5d0) at sys_exit+0x1a syscall(ffff80002fd3a680) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002fd3a680) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75d1a7793e20, 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(ffffffff838a0930,9) at pool_get+0x265 sys/kern/subr_pool.c:593 crget() at crget+0x36 sys/kern/kern_prot.c:948 ptm_vn_open(ffff80002a3b86c0) at ptm_vn_open+0x9f sys/kern/tty_pty.c:1024 ptmioctl(5100,40287401,ffff80002a3b89e0,3,ffff80003c506028) at ptmioctl+0x89a sys/kern/tty_pty.c:1178 VOP_IOCTL(fffffd806dcfb5f0,40287401,ffff80002a3b89e0,3,fffffd807f7d32d8,ffff80003c506028) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806c2851e0,40287401,ffff80002a3b89e0,ffff80003c506028) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80003c506028,ffff80002a3b8bc0,ffff80002a3b8b10) at sys_ioctl+0x5c3 syscall(ffff80002a3b8bc0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3b8bc0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb2fbd0808d0, count: -16