b+&~SАu= Nm3჏tEgPU je-bYZ&ޣb+&~SАu= Nm3჏tEgPU je-bYZ&ޣb+&~SАu= Nm3჏tEgPU je-bYZ&ޣ`@GY:"$ =qP1j`@GY:"$ =qP1j`@GY:"$ =qP1j`@GY:"$ =qP1jwitness: lock_object uninitialized: 0xffff800000d22028 Starting stack trace... witness_checkorder(ffff800000d22028,9,0) at witness_checkorder+0x133 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffff800000d22028,9,0) at witness_checkorder+0x133 sys/kern/subr_witness.c:772 rw_enter_write(ffff800000d22018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000d22000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:90 [inline] unveil_delete_names(ffff800000d22000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:100 unveil_destroy(ffff800025727a48) at unveil_destroy+0xad sys/kern/kern_unveil.c:191 exit1(ffff800021294008,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:225 sys_exit(ffff800021294008,ffff8000257a7160,ffff8000257a71c0) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff8000257a7230) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000257a7230) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffda4a0, count: 249 End of stack trace. Stopped at db_enter+0x18: addq $0x8,%rsp ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 witness_checkorder(ffff800000d22028,9,0) at witness_checkorder+0x138 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffff800000d22028,9,0) at witness_checkorder+0x138 sys/kern/subr_witness.c:772 rw_enter_write(ffff800000d22018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000d22000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:90 [inline] unveil_delete_names(ffff800000d22000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:100 unveil_destroy(ffff800025727a48) at unveil_destroy+0xad sys/kern/kern_unveil.c:191 exit1(ffff800021294008,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:225 sys_exit(ffff800021294008,ffff8000257a7160,ffff8000257a71c0) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff8000257a7230) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000257a7230) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffda4a0, count: -9 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff8000257a6f00 rbx 0x3 rdx 0 rcx 0 rax 0xffff800021294008 r8 0xffff8000257a6ea0 r9 0x8080808080808080 r10 0x25278806d5112bf0 r11 0x9cfa41b2b1e399c2 r12 0xffff800000d22001 r13 0xffff800000d22028 r14 0 r15 0 rip 0xffffffff81410c88 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000257a6ef0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=513026 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800021295268,0xffffffff8283e338 process=0xffff800025727a48 user=0xffff8000257a2000, vmspace=0xfffffd8065be68d0 estcpu=36, cpticks=14, pctcpu=0.0 user=0, sys=8, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 39369 307270 2153 0 3 0x80 nanoslp syz-executor.2 39369 473109 2153 0 3 0x4000080 bell syz-executor.2 39369 159892 2153 0 3 0x4000080 fsleep syz-executor.2 2153 240609 67968 0 3 0x82 nanoslp syz-executor.2 62316 105503 67968 0 3 0x82 nanoslp syz-executor.0 28314 233635 67968 0 3 0x82 nanoslp syz-executor.3 48123 138434 67968 0 3 0x2 biowait syz-executor.1 16684 395205 0 0 3 0x14280 nfsidl nfsio 47735 289380 0 0 3 0x14280 nfsidl nfsio 11609 523840 0 0 3 0x14280 nfsidl nfsio 47754 94997 0 0 3 0x14280 nfsidl nfsio 62720 510968 0 0 3 0x14280 nfsidl nfsio 95209 247500 0 0 3 0x14280 nfsidl nfsio 88093 222231 0 0 3 0x14280 nfsidl nfsio 13752 241357 0 0 3 0x14280 nfsidl nfsio 29921 488284 0 0 3 0x14280 nfsidl nfsio 3557 285323 0 0 3 0x14280 nfsidl nfsio 71839 253401 0 0 3 0x14280 nfsidl nfsio 8207 55773 0 0 3 0x14280 nfsidl nfsio 50406 399046 0 0 3 0x14280 nfsidl nfsio 92566 426485 0 0 3 0x14280 nfsidl nfsio 47387 398642 0 0 3 0x14280 nfsidl nfsio 12827 181544 0 0 3 0x14280 nfsidl nfsio 57844 297361 0 0 3 0x14280 nfsidl nfsio 87959 38764 0 0 3 0x14280 nfsidl nfsio 66903 61146 0 0 3 0x14280 nfsidl nfsio 63614 351947 0 0 3 0x14280 nfsidl nfsio 92274 196104 0 0 3 0x14200 bored sosplice 67968 270331 28418 0 3 0x82 thrsleep syz-fuzzer 67968 424402 28418 0 3 0x4000082 nanoslp syz-fuzzer 67968 18609 28418 0 3 0x4000082 thrsleep syz-fuzzer 67968 293554 28418 0 3 0x4000082 thrsleep syz-fuzzer 67968 413788 28418 0 3 0x4000082 thrsleep syz-fuzzer 67968 392169 28418 0 3 0x4000082 thrsleep syz-fuzzer 67968 440907 28418 0 3 0x4000082 thrsleep syz-fuzzer 67968 515137 28418 0 3 0x4000082 kqread syz-fuzzer 67968 225092 28418 0 3 0x4000082 thrsleep syz-fuzzer 28418 15076 71086 0 3 0x10008a sigsusp ksh 71086 203007 76444 0 3 0x9a poll sshd 50566 122293 1 0 3 0x100083 ttyin getty 76444 173749 1 0 3 0x88 poll sshd 9808 509168 10941 74 3 0x100092 bpf pflogd 10941 378510 1 0 3 0x80 netio pflogd 23231 12822 54250 73 3 0x100090 kqread syslogd 54250 188495 1 0 3 0x100082 netio syslogd 8028 283598 1 0 3 0x100080 kqread resolvd 37928 265150 57698 77 3 0x100092 kqread dhcpleased 42896 114954 57698 77 3 0x100092 kqread dhcpleased 57698 451408 1 0 3 0x80 kqread dhcpleased 90576 74643 0 0 3 0x14200 bored smr 18957 377988 0 0 2 0x14200 zerothread 20204 225082 0 0 3 0x14200 aiodoned aiodoned 43964 297590 0 0 3 0x14200 syncer update 27765 146100 0 0 3 0x14200 cleaner cleaner 46683 214639 0 0 7 0x14200 reaper 91919 111687 0 0 3 0x14200 pgdaemon pagedaemon 10510 67179 0 0 3 0x14200 bored viomb 2254 75348 0 0 3 0x40014200 acpi0 acpi0 90898 342792 0 0 3 0x40014200 idle1 22972 103733 0 0 3 0x14200 bored softnet 31288 214290 0 0 3 0x14200 bored systqmp 35537 63398 0 0 3 0x14200 bored systq 90772 191990 0 0 3 0x40014200 bored softclock 32000 271502 0 0 3 0x40014200 idle0 1 262589 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 48123 (syz-executor.1) thread 0xffff8000218b4008 (138434) exclusive rrwlock inode r = 0 (0xfffffd8067f804d8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3100 #10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8066e4e5f8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3085 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 Process 46683 (reaper) thread 0xffff800021149500 (214639) exclusive rwlock amaplk r = 0 (0xfffffd806674a6a0) #0 witness_lock+0x44d #1 amap_unref+0x2b sys/uvm/uvm_amap.c:1365 #2 uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1599 #3 uvm_map_teardown+0x262 sys/uvm/uvm_map.c:2789 #4 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 #5 reaper+0x18b sys/kern/kern_exit.c:462 #6 proc_trampoline+0x1c ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10208 6574K 6825K 78643K 23601 0 pcb 13 18K 21K 78643K 1394 0 rtable 152 11K 12K 78643K 12299 0 ifaddr 79 18K 19K 78643K 2181 0 sysctl 2 0K 0K 78643K 2 0 counters 52 35K 35K 78643K 258 0 ioctlops 0 0K 8K 78643K 3198 0 iov 0 0K 32K 78643K 781 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1354 85K 86K 78643K 5287 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 116 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 3996 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 7 21K 49K 78643K 11005 0 sigio 0 0K 0K 78643K 58 0 proc 77 111K 111K 78643K 1417 0 subproc 52 3K 3K 78643K 313 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 1269 0 in_multi 44 3K 4K 78643K 7411 0 ether_multi 1 0K 0K 78643K 118 0 mrt 1 0K 0K 78643K 29 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 181 811K 811K 78643K 181 0 exec 0 0K 2K 78643K 1667 0 pfkey data 0 0K 0K 78643K 4 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 7 26K 26K 78643K 7 0 UVM amap 438 663K 664K 78643K 143931 0 UVM aobj 131 4K 4K 78643K 135 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 409 0 NDP 10 0K 1K 78643K 1311 0 temp 114 4216K 4315K 78643K 74061 0 kqueue 10 14K 22K 78643K 351 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> 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 120 912 0 909 14 12 2 3 0 8 1 rtentry 112 4944 0 4894 2 0 2 2 0 8 0 unpcb 136 4996 0 4981 59 58 1 6 0 8 0 syncache 296 43 0 43 15 15 0 1 0 8 0 tcpqe 32 357 0 357 6 6 0 1 0 8 0 tcpcb 736 4372 0 4364 120 119 1 17 0 8 0 arp 120 60 0 50 1 0 1 1 0 8 0 inpcb 304 15960 0 15951 144 135 9 16 0 8 8 rttmr 72 9 0 9 4 4 0 1 0 8 0 nd6 48 1228 0 1219 1 0 1 1 0 8 0 pkpcb 40 37 0 37 7 7 0 1 0 8 0 kcovpl 48 23 0 19 1 0 1 1 0 8 0 ppxss 1248 54 0 54 11 11 0 1 0 8 0 pfstscr 40 97 0 97 7 7 0 1 0 8 0 pffrag 232 26 0 24 8 7 1 1 0 482 0 pffrnode 88 26 0 24 8 7 1 1 0 8 0 pffrent 40 271 0 269 8 7 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 845 0 832 7 5 2 2 0 8 0 pftag 88 42 0 40 4 3 1 1 0 8 0 pfqueue 264 9 0 9 2 1 1 1 0 8 1 pfstitem 24 25 0 23 1 0 1 1 0 8 0 pfstkey 112 207 0 205 1 0 1 1 0 8 0 pfstate 320 113 0 111 2 1 1 2 0 8 0 pfsrctr 152 382 0 382 2 2 0 2 0 8 0 pfrule 1360 991 0 928 7 1 6 6 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 29544 0 29315 33 17 16 22 0 8 0 art_table 32 29545 0 29315 3 0 3 3 0 8 0 art_node 16 4942 0 4900 1 0 1 1 0 8 0 sysvmsgpl 40 87 0 47 1 0 1 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 3994 0 3984 1 0 1 1 0 8 0 shmpl 112 132 0 4 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 15188 0 13747 91 0 91 91 0 8 0 ffsino 272 15188 0 13747 97 0 97 97 0 8 0 nchpl 144 30660 0 29059 61 0 61 61 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 106435 0 106434 1 0 1 1 0 8 0 percpumem 16 141 0 103 1 0 1 1 0 8 0 vcpupl 2048 46 0 0 6 0 6 6 0 8 0 vmpool 560 122 0 76 5 1 4 4 0 8 0 pfiaddrpl 120 272 0 254 5 4 1 1 0 8 0 scsiplug 72 6 0 6 2 2 0 1 0 8 0 scxspl 216 85831 0 85830 32 31 1 8 0 8 0 plimitpl 152 920 0 909 1 0 1 1 0 8 0 sigapl 424 11208 0 11152 7 0 7 7 0 8 0 futexpl 64 96263 0 96262 2 1 1 1 0 8 0 knotepl 112 112 0 0 3 0 3 3 0 8 0 kqueuepl 216 4679 0 4673 54 53 1 8 0 8 0 pipepl 336 1824 0 1808 52 45 7 7 0 8 5 fdescpl 496 11172 0 11152 4 1 3 4 0 8 0 filepl 152 79242 0 79088 122 108 14 14 0 8 7 lockfpl 104 2486 0 2484 6 5 1 2 0 8 0 lockfspl 48 598 0 596 1 0 1 1 0 8 0 sessionpl 144 39 0 26 1 0 1 1 0 8 0 pgrppl 48 52 0 39 1 0 1 1 0 8 0 ucredpl 96 7928 0 7915 1 0 1 1 0 8 0 zombiepl 144 12140 0 12138 2 1 1 1 0 8 0 processpl 1064 11208 0 11151 4 0 4 4 0 8 0 procpl 672 33556 0 33487 24 17 7 8 0 8 0 srpgc 96 13 0 13 5 5 0 1 0 8 0 sosppl 168 63 0 63 13 13 0 1 0 8 0 sockpl 480 21910 0 21883 327 311 16 28 0 8 12 mcl64k 65536 33 0 0 4 1 3 3 0 8 0 mcl16k 16384 32 0 0 4 2 2 3 0 8 0 mcl12k 12288 41 0 0 2 0 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 49 0 0 7 4 3 3 0 8 0 mcl4k 4096 23 0 0 3 0 3 3 0 8 0 mcl2k2 2112 21 0 0 2 0 2 2 0 8 0 mcl2k 2048 281 0 0 25 2 23 25 0 8 0 mtagpl 96 578 0 0 7 0 7 7 0 8 0 mbufpl 256 2507 0 0 125 0 125 125 0 8 0 bufpl 288 21068 0 14724 454 0 454 454 0 8 0 anonpl 24 3210766 0 3189465 269 129 140 156 0 186 0 amapchunkpl 152 370134 0 369404 105 74 31 44 0 158 0 amappl16 200 29983 0 29128 147 100 47 56 0 8 0 amappl15 192 1663 0 1662 1 0 1 1 0 8 0 amappl14 184 44 0 43 5 4 1 1 0 8 0 amappl13 176 517 0 516 1 0 1 1 0 8 0 amappl12 168 2186 0 2180 1 0 1 1 0 8 0 amappl11 160 4044 0 4026 1 0 1 1 0 8 0 amappl10 152 891 0 880 1 0 1 1 0 8 0 amappl9 144 2206 0 2203 1 0 1 1 0 8 0 amappl8 136 915 0 814 4 0 4 4 0 8 0 amappl7 128 155 0 145 1 0 1 1 0 8 0 amappl6 120 1991 0 1970 1 0 1 1 0 8 0 amappl5 112 10834 0 10817 1 0 1 1 0 8 0 amappl4 104 5951 0 5926 1 0 1 1 0 8 0 amappl3 96 2864 0 2845 1 0 1 1 0 8 0 amappl2 88 1736 0 1674 2 0 2 2 0 8 0 amappl1 80 206585 0 206086 14 3 11 13 0 8 0 amappl 88 142916 0 142663 9 2 7 7 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 72 134 0 4 3 0 3 3 0 8 0 uaddrrnd 24 11294 0 11227 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 11294 0 11227 1 0 1 1 0 8 0 vmmpekpl 168 81980 0 81920 4 0 4 4 0 8 0 vmmpepl 168 1023324 0 1020738 405 285 120 144 0 357 0 vmsppl 368 11293 0 11226 7 0 7 7 0 8 0 rwobjpl 56 256089 0 248205 131 17 114 114 0 8 0 pdppl 4096 22596 0 22498 145 45 100 100 0 8 2 pvpl 32 5354811 0 5333049 394 204 190 226 0 265 0 pmappl 248 11293 0 11226 5 0 5 5 0 8 0 extentpl 40 57 0 38 1 0 1 1 0 8 0 phpool 112 1188 0 238 28 0 28 28 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff827f3ff0) 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 __mp_lock(ffffffff82993700) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82993700) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff800021185090,ffff800000077500) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __mp_lock(ffffffff82993700) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82993700) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff8000211851e0,ffff80000004ad00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2f kd_curproc sys/dev/kcov.c:572 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2f sys/dev/kcov.c:143 witness_checkorder(ffffffff8288e748,9,0) at witness_checkorder+0x34 sys/kern/subr_witness.c:765 mtx_enter(ffffffff8288e738) at mtx_enter+0x3a sys/kern/kern_lock.c:265 uvm_anfree_list(fffffd80671d5f00,ffff8000211853e8) at uvm_anfree_list+0xa4 sys/uvm/uvm_anon.c:104 amap_wipeout(fffffd8067ff1ee0) at amap_wipeout+0x1b1 sys/uvm/uvm_amap.c:504 uvm_unmap_detach(ffff8000211854b0,1) at uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1599 uvm_map_teardown(fffffd8065be6030) at uvm_map_teardown+0x262 sys/uvm/uvm_map.c:2789 uvmspace_free(fffffd8065be6030) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 reaper(ffff800021149500) at reaper+0x18b sys/kern/kern_exit.c:462 end trace frame: 0x0, count: -18 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 witness_checkorder(ffff800000d22028,9,0) at witness_checkorder+0x138 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffff800000d22028,9,0) at witness_checkorder+0x138 sys/kern/subr_witness.c:772 rw_enter_write(ffff800000d22018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000d22000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:90 [inline] unveil_delete_names(ffff800000d22000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:100 unveil_destroy(ffff800025727a48) at unveil_destroy+0xad sys/kern/kern_unveil.c:191 exit1(ffff800021294008,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:225 sys_exit(ffff800021294008,ffff8000257a7160,ffff8000257a71c0) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff8000257a7230) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000257a7230) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffda4a0, count: -9