witness: lock_object uninitialized: 0xffff800000ef2028 Starting stack trace... witness_checkorder(ffff800000ef2028,9,0) at witness_checkorder+0x133 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffff800000ef2028,9,0) at witness_checkorder+0x133 sys/kern/subr_witness.c:772 rw_enter_write(ffff800000ef2018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000ef2000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:92 [inline] unveil_delete_names(ffff800000ef2000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:102 unveil_destroy(ffff8000ffff5d68) at unveil_destroy+0xad sys/kern/kern_unveil.c:183 exit1(ffff800021229070,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:219 sys_exit(ffff800021229070,ffff80002e3f5a70,ffff80002e3f5ac0) at sys_exit+0x16 sys/kern/kern_exit.c:89 syscall(ffff80002e3f5b40) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e3f5b40) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc8520, count: 249 End of stack trace. Stopped at db_enter+0x18: 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+0x18 sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffff800000ef2028,9,0) at witness_checkorder+0x138 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffff800000ef2028,9,0) at witness_checkorder+0x138 sys/kern/subr_witness.c:772 rw_enter_write(ffff800000ef2018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000ef2000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:92 [inline] unveil_delete_names(ffff800000ef2000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:102 unveil_destroy(ffff8000ffff5d68) at unveil_destroy+0xad sys/kern/kern_unveil.c:183 exit1(ffff800021229070,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:219 sys_exit(ffff800021229070,ffff80002e3f5a70,ffff80002e3f5ac0) at sys_exit+0x16 sys/kern/kern_exit.c:89 syscall(ffff80002e3f5b40) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e3f5b40) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc8520, count: -9 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002e3f5810 rbx 0x3 rdx 0 rcx 0 rax 0xffff800021229070 r8 0xffff80002e3f57b0 r9 0x8080808080808080 r10 0xbaca76592c960f65 r11 0x50bd50f4eecca93d r12 0xffff800000ef2001 r13 0xffff800000ef2028 r14 0 r15 0 rip 0xffffffff81b420b8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002e3f5800 ss 0 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.0) pid=325502 stat=onproc flags process=1008 proc=2000 pri=17, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000212b2328,0xffff8000212298a8 process=0xffff8000ffff5d68 user=0xffff80002e3f0000, vmspace=0xfffffd806ba591d0 estcpu=36, cpticks=14, pctcpu=0.0 user=0, sys=7, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 62657 130925 20638 0 2 0 syz-executor.3 20831 381571 13340 0 2 0 syz-executor.5 20831 152176 13340 0 3 0x4000080 fsleep syz-executor.5 21184 8304 27818 0 2 0 syz-executor.1 21184 124720 27818 0 3 0x4000080 fsleep syz-executor.1 21184 37124 27818 0 3 0x4000080 fsleep syz-executor.1 59407 93877 84765 0 2 0x2 syz-executor.4 68072 119662 0 0 3 0x14200 acct acct 40989 110010 84765 0 3 0x82 piperd syz-executor.7 58327 98983 1 0 3 0 vmmapbsy syz-executor.7 58327 238800 1 0 3 0x4000000 vmmaplk syz-executor.7 71514 95903 84765 0 2 0x2 syz-executor.6 13340 285675 84765 0 2 0x482 syz-executor.5 7467 357906 1 0 2 0x100083 getty 90979 520670 1 0 3 0 vmmapbsy syz-executor.4 90979 411788 1 0 3 0x4000000 vmmaplk syz-executor.4 90979 498247 1 0 3 0x4000000 vmmaplk syz-executor.4 90979 114513 1 0 3 0x4000000 vmmaplk syz-executor.4 20638 259622 84765 0 2 0x482 syz-executor.3 27818 364483 84765 0 2 0x482 syz-executor.1 49341 15620 84765 0 3 0x82 piperd syz-executor.2 89642 386514 84765 0 2 0x482 syz-executor.0 48485 5932 0 0 3 0x14280 nfsidl nfsio 27003 385541 0 0 3 0x14280 nfsidl nfsio 75088 330764 0 0 3 0x14280 nfsidl nfsio 24121 89197 0 0 3 0x14280 nfsidl nfsio 74007 296794 0 0 3 0x14280 nfsidl nfsio 17945 61567 0 0 3 0x14280 nfsidl nfsio 35255 215351 0 0 3 0x14280 nfsidl nfsio 11192 384100 0 0 3 0x14280 nfsidl nfsio 81845 297852 0 0 3 0x14280 nfsidl nfsio 68570 200809 0 0 3 0x14280 nfsidl nfsio 59132 334285 0 0 3 0x14280 nfsidl nfsio 62223 493573 0 0 3 0x14280 nfsidl nfsio 61364 441941 0 0 3 0x14280 nfsidl nfsio 48164 216773 0 0 3 0x14280 nfsidl nfsio 86314 319932 0 0 3 0x14280 nfsidl nfsio 69576 63908 0 0 3 0x14280 nfsidl nfsio 44198 445633 0 0 3 0x14280 nfsidl nfsio 39783 115739 0 0 3 0x14280 nfsidl nfsio 68182 85643 0 0 3 0x14280 nfsidl nfsio 31885 154089 0 0 3 0x14280 nfsidl nfsio 95563 202057 0 0 3 0x14200 bored sosplice 84765 165594 5737 0 3 0x82 wait syz-fuzzer 84765 116325 5737 0 2 0x4000482 syz-fuzzer 84765 373825 5737 0 3 0x4000082 wait syz-fuzzer 84765 87810 5737 0 3 0x4000082 wait syz-fuzzer 84765 267962 5737 0 3 0x4000082 wait syz-fuzzer 84765 434438 5737 0 3 0x4000082 wait syz-fuzzer 84765 255977 5737 0 3 0x4000082 thrsleep syz-fuzzer 84765 374794 5737 0 3 0x4000082 kqread syz-fuzzer 84765 45490 5737 0 3 0x4000082 thrsleep syz-fuzzer 84765 84114 5737 0 3 0x4000082 thrsleep syz-fuzzer 84765 491057 5737 0 3 0x4000082 thrsleep syz-fuzzer 84765 391106 5737 0 3 0x4000082 wait syz-fuzzer 84765 299198 5737 0 3 0x4000082 thrsleep syz-fuzzer 84765 415167 5737 0 3 0x4000082 thrsleep syz-fuzzer 84765 426592 5737 0 3 0x4000082 wait syz-fuzzer 84765 356667 5737 0 3 0x4000082 wait syz-fuzzer 5737 410527 60776 0 3 0x10008a sigsusp ksh 60776 216177 3707 0 3 0x9a kqread sshd 3707 164598 1 0 3 0x88 kqread sshd 55475 432428 78799 74 2 0x1100492 pflogd 78799 63499 1 0 3 0x80 netio pflogd 55496 25162 60608 73 2 0x1100090 syslogd 60608 180313 1 0 3 0x100082 netio syslogd 87589 121380 1 0 3 0x100080 kqread resolvd 29236 71200 0 0 3 0x14200 bored smr 78010 274426 0 0 2 0x14200 zerothread 14749 241959 0 0 3 0x14200 aiodoned aiodoned 50727 190798 0 0 3 0x14200 syncer update 52676 341933 0 0 3 0x14200 cleaner cleaner 7668 432987 0 0 3 0x14200 reaper reaper 34954 40688 0 0 3 0x14200 pgdaemon pagedaemon 87758 67467 0 0 3 0x14200 bored viomb 64121 475190 0 0 3 0x40014200 acpi0 acpi0 38306 188589 0 0 7 0x40014200 idle1 20216 101021 0 0 3 0x14200 bored softnet 87617 384734 0 0 3 0x14200 bored softnet 11649 502497 0 0 3 0x14200 bored softnet 5510 144573 0 0 3 0x14200 bored softnet 5074 70761 0 0 3 0x14200 bored systqmp 12342 263469 0 0 3 0x14200 bored systq 13743 370529 0 0 3 0x40014200 bored softclock 61486 337173 0 0 3 0x40014200 idle0 1 394221 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 59407 (syz-executor.4) thread 0xffff8000212b2328 (93877) exclusive rrwlock inode r = 0 (0xfffffd8068f0cd60) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 #10 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #10 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806ec72c50) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 #9 Xsyscall+0x128 Process 58327 (syz-executor.7) thread 0xffff800021209960 (238800) shared rwlock vmmaplk r = 0 (0xfffffd806ba59d10) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 vm_map_lock_ln+0xda sys/uvm/uvm_map.c:5376 #3 uvm_map_pageable+0x111 sys/uvm/uvm_map.c:2293 #4 sys_mlock+0x184 sys/uvm/uvm_mmap.c:829 #5 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #5 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 #6 Xsyscall+0x128 Process 71514 (syz-executor.6) thread 0xffff8000212080e8 (95903) exclusive rrwlock inode r = 0 (0xfffffd806eec7920) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 #10 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #10 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806ecb80a8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 #9 Xsyscall+0x128 Process 90979 (syz-executor.4) thread 0xffff8000212295e0 (411788) shared rwlock vmmaplk r = 0 (0xfffffd8069a8c618) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 vm_map_lock_ln+0xda sys/uvm/uvm_map.c:5376 #3 uvm_map_pageable+0x111 sys/uvm/uvm_map.c:2293 #4 sys_mlock+0x184 sys/uvm/uvm_mmap.c:829 #5 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #5 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 #6 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10237 6502K 7025K 78643K 22213 0 pcb 13 18K 23K 78643K 3703 0 rtable 230 17K 18K 78643K 2068 0 ifaddr 90 29K 30K 78643K 783 0 sysctl 2 0K 0K 78643K 4 0 counters 58 35K 36K 78643K 446 0 ioctlops 0 0K 4K 78643K 4221 0 iov 0 0K 28K 78643K 1331 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1433 90K 90K 78643K 10382 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 59 0 VM map 2 1K 1K 78643K 2 0 sem 21 2K 2K 78643K 116 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 15 53K 89K 78643K 8811 0 sigio 0 0K 0K 78643K 130 0 proc 68 103K 128K 78643K 1667 0 subproc 130 8K 8K 78643K 494 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 342 0 in_multi 85 5K 6K 78643K 595 0 ether_multi 1 0K 0K 78643K 58 0 mrt 1 0K 0K 78643K 100 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 229 1023K 1023K 78643K 229 0 exec 0 0K 1K 78643K 1880 0 pfkey data 0 0K 0K 78643K 3 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 359 110K 123K 78643K 62184 0 UVM aobj 131 4K 4K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 369 0 NDP 15 0K 2K 78643K 245 0 temp 149 5779K 6802K 78643K 60042 0 kqueue 6 10K 26K 78643K 624 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 465 0 464 5 4 1 3 0 8 0 rtentry 112 581 0 486 4 0 4 4 0 8 0 unpcb 144 7658 0 7650 97 96 1 10 0 8 0 syncache 296 54 0 54 18 18 0 1 0 8 0 tcpqe 32 380 0 380 13 13 0 2 0 8 0 tcpcb 776 2745 0 2741 123 116 7 14 0 8 6 arp 120 86 0 68 1 0 1 1 0 8 0 inpcb 368 9556 0 9551 249 242 7 22 0 8 6 nd6 48 117 0 96 1 0 1 1 0 8 0 pkpcb 40 19 0 19 3 3 0 1 0 8 0 kcovpl 48 38 0 28 1 0 1 1 0 8 0 ppxss 1256 85 0 85 20 20 0 1 0 8 0 pppxif 1456 34 0 34 12 12 0 1 0 8 0 pfstscr 40 120 0 120 5 5 0 1 0 8 0 pffrag 232 100 0 99 6 5 1 1 0 482 0 pffrnode 88 100 0 99 6 5 1 1 0 8 0 pffrent 40 342 0 341 7 6 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 pfanchor 1280 902 0 453 50 7 43 43 0 8 0 pfstitem 24 209 0 201 1 0 1 1 0 8 0 pfstkey 128 299 0 291 1 0 1 1 0 8 0 pfstate 384 252 0 244 10 9 1 9 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 rttmr 136 33 0 33 9 9 0 1 0 8 0 art_heap8 4096 2 0 1 2 1 1 2 0 8 0 art_heap4 256 2383 0 1981 54 26 28 31 0 8 0 art_table 32 2385 0 1982 4 0 4 4 0 8 0 art_node 16 572 0 491 1 0 1 1 0 8 0 sysvmsgpl 40 45 0 19 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 110 0 91 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 15981 0 14527 91 0 91 91 0 8 0 ffsino 272 15981 0 14527 97 0 97 97 0 8 0 nchpl 144 27594 0 25943 63 0 63 63 0 8 0 rtmask 32 5 0 5 1 1 0 1 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 109647 0 109645 7 6 1 2 0 8 0 percpumem 16 236 0 194 1 0 1 1 0 8 0 vmpool 696 21 0 21 7 7 0 1 0 8 0 kstatmem 264 336 0 306 10 7 3 3 0 8 0 scsiplug 72 8 0 8 3 3 0 1 0 8 0 scxspl 216 66883 0 66883 27 26 1 8 0 8 1 plimitpl 152 1307 0 1290 1 0 1 1 0 8 0 sigapl 424 9109 0 9044 10 2 8 8 0 8 0 futexpl 64 88865 0 88862 4 3 1 1 0 8 0 knotepl 120 898 0 0 11 0 11 11 0 8 0 kqueuepl 216 1368 0 1363 15 14 1 5 0 8 0 pipepl 320 2349 0 2319 63 59 4 11 0 8 0 fdescpl 496 9064 0 9039 6 2 4 5 0 8 0 filepl 152 77985 0 77731 165 150 15 22 0 8 3 lockfpl 104 1828 0 1827 3 2 1 2 0 8 0 lockfspl 48 634 0 633 1 0 1 1 0 8 0 sessionpl 144 60 0 42 1 0 1 1 0 8 0 pgrppl 48 133 0 115 1 0 1 1 0 8 0 ucredpl 104 23982 0 23973 1 0 1 1 0 8 0 zombiepl 144 10459 0 10458 3 2 1 1 0 8 0 processpl 1072 9109 0 9044 5 0 5 5 0 8 0 procpl 696 24696 0 24609 30 20 10 11 0 8 0 srpgc 96 47 0 47 16 16 0 1 0 8 0 sosppl 168 98 0 98 19 19 0 1 0 8 0 sockpl 488 17730 0 17716 568 557 11 34 0 8 8 mcl64k 65536 15 0 0 2 0 2 2 0 8 0 mcl16k 16384 19 0 0 3 1 2 3 0 8 0 mcl12k 12288 17 0 0 2 1 1 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 25 0 0 3 0 3 3 0 8 0 mcl4k 4096 25 0 0 3 0 3 3 0 8 0 mcl2k2 2112 10 0 0 1 0 1 1 0 8 0 mcl2k 2048 475 0 0 57 17 40 57 0 8 0 mtagpl 96 569 0 0 11 5 6 11 0 8 0 mbufpl 256 1635 0 0 86 0 86 86 0 8 0 bufpl 288 15754 0 9429 453 0 453 453 0 8 0 anonpl 24 1920033 0 1900755 292 157 135 148 0 186 0 amapchunkpl 152 176385 0 175554 98 62 36 45 0 158 0 amappl16 200 21612 0 20897 223 184 39 51 0 8 1 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 257 0 245 2 1 1 2 0 8 0 amappl13 176 23 0 21 1 0 1 1 0 8 0 amappl12 168 768 0 764 1 0 1 1 0 8 0 amappl11 160 48 0 40 1 0 1 1 0 8 0 amappl10 152 66 0 54 1 0 1 1 0 8 0 amappl9 144 1025 0 1024 1 0 1 1 0 8 0 amappl8 136 471 0 386 4 0 4 4 0 8 0 amappl7 128 268 0 245 2 0 2 2 0 8 0 amappl6 120 352 0 336 2 1 1 2 0 8 0 amappl5 112 333 0 326 1 0 1 1 0 8 0 amappl4 104 1004 0 966 2 0 2 2 0 8 0 amappl3 96 26984 0 26935 2 0 2 2 0 8 0 amappl2 88 10085 0 10021 3 0 3 3 0 8 0 amappl1 80 209282 0 208600 31 13 18 28 0 8 0 amappl 88 61094 0 60885 8 2 6 6 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 9085 0 9059 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 9085 0 9059 1 0 1 1 0 8 0 vmmpekpl 168 75604 0 75537 4 0 4 4 0 8 0 vmmpepl 168 844712 0 841891 422 276 146 173 0 357 6 vmsppl 440 9084 0 9059 6 2 4 5 0 8 0 rwobjpl 56 231782 0 223881 127 12 115 116 0 8 0 pdppl 4096 18177 0 18118 695 628 67 81 0 8 8 pvpl 32 3663032 0 3638477 581 359 222 341 0 265 0 pmappl 248 9084 0 9059 3 1 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1828 0 943 27 0 27 27 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffff800000ef2028,9,0) at witness_checkorder+0x138 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffff800000ef2028,9,0) at witness_checkorder+0x138 sys/kern/subr_witness.c:772 rw_enter_write(ffff800000ef2018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000ef2000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:92 [inline] unveil_delete_names(ffff800000ef2000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:102 unveil_destroy(ffff8000ffff5d68) at unveil_destroy+0xad sys/kern/kern_unveil.c:183 exit1(ffff800021229070,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:219 sys_exit(ffff800021229070,ffff80002e3f5a70,ffff80002e3f5ac0) at sys_exit+0x16 sys/kern/kern_exit.c:89 syscall(ffff80002e3f5b40) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e3f5b40) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc8520, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020d68ff0) at x86_ipi_db+0x1a 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+0x23 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020d68ff0) at sched_idle+0x417 sys/kern/kern_sched.c:175 end trace frame: 0x0, count: -5