witness: lock_object uninitialized: 0xffff800000bdf028 Starting stack trace... witness_checkorder(ffff800000bdf028,9,0) at witness_checkorder+0x133 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffff800000bdf028,9,0) at witness_checkorder+0x133 sys/kern/subr_witness.c:772 rw_enter_write(ffff800000bdf018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000bdf000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:90 [inline] unveil_delete_names(ffff800000bdf000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:100 unveil_destroy(ffff8000ffffb610) at unveil_destroy+0xad sys/kern/kern_unveil.c:191 exit1(ffff800021238540,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:225 sys_exit(ffff800021238540,ffff800027ba3d20,ffff800027ba3d80) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800027ba3df0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800027ba3df0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd7440, 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:440 witness_checkorder(ffff800000bdf028,9,0) at witness_checkorder+0x138 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffff800000bdf028,9,0) at witness_checkorder+0x138 sys/kern/subr_witness.c:772 rw_enter_write(ffff800000bdf018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000bdf000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:90 [inline] unveil_delete_names(ffff800000bdf000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:100 unveil_destroy(ffff8000ffffb610) at unveil_destroy+0xad sys/kern/kern_unveil.c:191 exit1(ffff800021238540,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:225 sys_exit(ffff800021238540,ffff800027ba3d20,ffff800027ba3d80) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800027ba3df0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800027ba3df0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd7440, count: -9 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff800027ba3ac0 rbx 0x3 rdx 0 rcx 0 rax 0xffff800021238540 r8 0xffff800027ba3a60 r9 0x8080808080808080 r10 0x22c7e60cb430959b r11 0xd7892ed9276176e1 r12 0xffff800000bdf001 r13 0xffff800000bdf028 r14 0 r15 0 rip 0xffffffff8167b298 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800027ba3ab0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.0) pid=344440 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800021239ce0,0xffff800021239270 process=0xffff8000ffffb610 user=0xffff800027b9e000, vmspace=0xfffffd8060d92e78 estcpu=36, cpticks=11, pctcpu=0.0 user=0, sys=8, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 37623 264740 4768 0 2 0 syz-executor.1 37623 336023 4768 0 2 0x4000000 syz-executor.1 31234 96107 62394 0 2 0x482 syz-executor.0 90765 392477 0 0 3 0x14280 nfsidl nfsio 43963 508346 0 0 3 0x14280 nfsidl nfsio 34870 336241 0 0 3 0x14280 nfsidl nfsio 45382 243392 0 0 3 0x14280 nfsidl nfsio 46269 107936 0 0 3 0x14280 nfsidl nfsio 56830 57348 0 0 3 0x14280 nfsidl nfsio 29545 294650 0 0 3 0x14280 nfsidl nfsio 51971 91728 0 0 3 0x14280 nfsidl nfsio 27988 488622 0 0 3 0x14280 nfsidl nfsio 85125 233913 0 0 3 0x14280 nfsidl nfsio 53589 62457 0 0 3 0x14280 nfsidl nfsio 98814 440129 0 0 3 0x14280 nfsidl nfsio 83760 382481 0 0 3 0x14280 nfsidl nfsio 34405 357770 0 0 3 0x14280 nfsidl nfsio 68522 196284 0 0 3 0x14280 nfsidl nfsio 46009 443835 0 0 3 0x14280 nfsidl nfsio 72939 186520 0 0 3 0x14280 nfsidl nfsio 11009 235154 0 0 3 0x14280 nfsidl nfsio 28272 55563 0 0 3 0x14280 nfsidl nfsio 99356 325054 0 0 3 0x14280 nfsidl nfsio 13631 428479 0 0 3 0x14200 acct acct 4768 69327 62394 0 2 0x482 syz-executor.1 10934 153222 62394 0 2 0x2 syz-executor.3 25392 47359 0 0 3 0x14200 bored sosplice 24289 490384 62394 0 2 0x482 syz-executor.2 62394 396303 78321 0 3 0x82 thrsleep syz-fuzzer 62394 53242 78321 0 3 0x4000082 thrsleep syz-fuzzer 62394 260291 78321 0 3 0x4000082 thrsleep syz-fuzzer 62394 76923 78321 0 3 0x4000082 thrsleep syz-fuzzer 62394 490664 78321 0 3 0x4000082 kqread syz-fuzzer 62394 349291 78321 0 3 0x4000082 thrsleep syz-fuzzer 62394 337344 78321 0 3 0x4000082 thrsleep syz-fuzzer 62394 19894 78321 0 3 0x4000082 thrsleep syz-fuzzer 78321 434579 55617 0 3 0x10008a sigsusp ksh 55617 202207 34925 0 3 0x9a poll sshd 24300 172836 1 0 2 0x100083 getty 34925 407614 1 0 3 0x88 poll sshd 92355 38035 44520 74 3 0x100092 bpf pflogd 44520 226779 1 0 3 0x80 netio pflogd 18922 62165 34688 73 2 0x100090 syslogd 34688 174551 1 0 3 0x100082 netio syslogd 87646 100249 1 0 3 0x100080 kqread resolvd 35641 500824 35737 77 3 0x100092 kqread dhcpleased 14701 509288 35737 77 3 0x100092 kqread dhcpleased 35737 410958 1 0 3 0x80 kqread dhcpleased 62089 44578 0 0 3 0x14200 bored smr 54180 268560 0 0 2 0x14200 zerothread 1127 414900 0 0 3 0x14200 aiodoned aiodoned 65630 185108 0 0 3 0x14200 syncer update 69166 379837 0 0 3 0x14200 cleaner cleaner 99447 483949 0 0 7 0x14200 reaper 94306 286621 0 0 3 0x14200 pgdaemon pagedaemon 55160 104064 0 0 3 0x14200 bored viomb 38104 188043 0 0 3 0x40014200 acpi0 acpi0 86257 307778 0 0 3 0x40014200 idle1 10538 107569 0 0 3 0x14200 bored softnet 93505 229676 0 0 3 0x14200 bored systqmp 68967 189851 0 0 3 0x14200 bored systq 61856 360074 0 0 2 0x40014200 softclock 13726 505008 0 0 3 0x40014200 idle0 1 438549 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 37623 (syz-executor.1) thread 0xffff800021238fc0 (336023) exclusive rwlock vmmaplk r = 0 (0xfffffd8060d92760) #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:5458 #3 uvmfault_lookup+0xb9 sys/uvm/uvm_fault.c:1740 #4 uvm_fault_check+0x603 uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] #4 uvm_fault_check+0x603 sys/uvm/uvm_fault.c:714 #5 uvm_fault+0x102 sys/uvm/uvm_fault.c:602 #6 kpageflttrap+0x209 #7 kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 #8 alltraps_kern_meltdown+0x7b #9 copyout+0x53 #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 rwlock fdlock r = 0 (0xfffffd806f2faa10) #0 witness_lock+0x44d #1 sys_socketpair+0x20f #2 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #2 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #3 Xsyscall+0x128 Process 10934 (syz-executor.3) thread 0xffff8000211a6550 (153222) exclusive rrwlock inode r = 0 (0xfffffd806ecbb818) #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 (0xfffffd80643191b0) #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 99447 (reaper) thread 0xffff8000211497a0 (483949) exclusive rwlock kmmaplk r = 0 (0xffffffff828839c8) #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:5458 #3 uvm_unmap+0x78 sys/uvm/uvm_map.c:2068 #4 uvm_uarea_free+0x35 sys/uvm/uvm_glue.c:287 #5 reaper+0x158 sys/kern/kern_exit.c:451 #6 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10166 6463K 6851K 78643K 13606 0 pcb 13 11K 13K 78643K 567 0 rtable 156 8K 11K 78643K 765 0 ifaddr 63 14K 15K 78643K 318 0 sysctl 2 0K 0K 78643K 2 0 counters 48 34K 35K 78643K 122 0 ioctlops 0 0K 8K 78643K 2102 0 iov 0 0K 12K 78643K 128 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1297 82K 82K 78643K 2147 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 19 0 VM map 2 1K 1K 78643K 2 0 sem 11 1K 1K 78643K 21 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 7 21K 45K 78643K 3716 0 sigio 0 0K 0K 78643K 6 0 proc 75 111K 111K 78643K 711 0 subproc 52 3K 3K 78643K 169 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 71 0 in_multi 45 3K 3K 78643K 246 0 ether_multi 1 0K 0K 78643K 36 0 mrt 0 0K 0K 78643K 3 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 55 254K 254K 78643K 55 0 exec 0 0K 2K 78643K 970 0 pfkey data 0 0K 1K 78643K 5 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 293 200K 201K 78643K 47582 0 UVM aobj 20 2K 2K 78643K 23 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 157 0 NDP 9 0K 1K 78643K 75 0 temp 104 4206K 4323K 78643K 38044 0 kqueue 10 14K 22K 78643K 88 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 120 243 0 240 5 3 2 2 0 8 1 rtentry 112 197 0 137 2 0 2 2 0 8 0 unpcb 136 1627 0 1610 22 16 6 6 0 8 5 syncache 296 17 0 17 5 5 0 1 0 8 0 tcpqe 32 4 0 4 2 2 0 1 0 8 0 tcpcb 736 589 0 583 22 20 2 7 0 8 0 arp 120 35 0 25 1 0 1 1 0 8 0 inpcb 304 1802 0 1793 45 41 4 14 0 8 3 nd6 48 44 0 34 1 0 1 1 0 8 0 pkpcb 40 13 0 13 2 2 0 1 0 8 0 kcovpl 48 13 0 9 1 0 1 1 0 8 0 ppxss 1248 20 0 20 4 4 0 1 0 8 0 pfstscr 40 7 0 7 2 2 0 1 0 8 0 pffrag 232 8 0 7 2 1 1 1 0 482 0 pffrnode 88 8 0 7 2 1 1 1 0 8 0 pffrent 40 224 0 223 2 1 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 62 0 55 3 2 1 2 0 8 0 pftag 88 9 0 8 3 2 1 1 0 8 0 pfstitem 24 59 0 57 1 0 1 1 0 8 0 pfstkey 112 71 0 69 1 0 1 1 0 8 0 pfstate 320 64 0 62 3 1 2 3 0 8 1 pfrule 1360 404 0 384 3 1 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 792 0 548 21 5 16 18 0 8 0 art_table 32 793 0 548 3 1 2 3 0 8 0 art_node 16 196 0 141 1 0 1 1 0 8 0 sysvmsgpl 40 47 0 17 1 0 1 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 12 0 3 1 0 1 1 0 8 0 shmpl 112 20 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 5625 0 4206 89 0 89 89 0 8 0 ffsino 272 5625 0 4206 95 0 95 95 0 8 0 nchpl 144 10183 0 8578 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 29636 0 29635 2 1 1 1 0 8 0 percpumem 16 73 0 37 1 0 1 1 0 8 0 vcpupl 2048 11 0 0 2 0 2 2 0 8 0 vmpool 560 11 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 27 0 16 2 1 1 1 0 8 0 scxspl 216 29000 0 29000 10 9 1 8 0 8 1 plimitpl 152 194 0 183 1 0 1 1 0 8 0 sigapl 424 3949 0 3892 8 1 7 7 0 8 0 futexpl 64 33440 0 33440 1 0 1 1 0 8 1 knotepl 112 71 0 0 3 0 3 3 0 8 0 kqueuepl 216 810 0 804 10 6 4 4 0 8 3 pipepl 336 369 0 353 11 9 2 5 0 8 0 fdescpl 496 3913 0 3893 4 1 3 4 0 8 0 filepl 152 16318 0 16166 48 35 13 13 0 8 7 lockfpl 104 460 0 458 2 1 1 2 0 8 0 lockfspl 48 148 0 146 1 0 1 1 0 8 0 sessionpl 144 29 0 16 1 0 1 1 0 8 0 pgrppl 48 29 0 16 1 0 1 1 0 8 0 ucredpl 96 1338 0 1326 1 0 1 1 0 8 0 zombiepl 144 5484 0 5482 1 0 1 1 0 8 0 processpl 1064 3949 0 3891 4 0 4 4 0 8 0 procpl 672 9947 0 9879 8 1 7 7 0 8 1 srpgc 96 11 0 11 3 3 0 1 0 8 0 sosppl 168 12 0 11 2 1 1 1 0 8 0 sockpl 480 3690 0 3661 101 81 20 24 0 8 16 mcl64k 65536 19 0 0 3 0 3 3 0 8 0 mcl16k 16384 12 0 0 2 0 2 2 0 8 0 mcl12k 12288 16 0 0 2 0 2 2 0 8 0 mcl9k 9216 14 0 0 1 0 1 1 0 8 0 mcl8k 8192 16 0 0 2 0 2 2 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 188 0 0 21 2 19 21 0 8 0 mtagpl 96 137 0 0 2 0 2 2 0 8 0 mbufpl 256 584 0 0 31 0 31 31 0 8 0 bufpl 288 8910 0 2565 456 2 454 454 0 8 0 anonpl 24 1049138 0 1030690 155 27 128 140 0 186 0 amapchunkpl 152 115964 0 115102 51 14 37 41 0 158 1 amappl16 200 8646 0 8116 42 13 29 41 0 8 0 amappl15 192 2 0 1 1 0 1 1 0 8 0 amappl14 184 19 0 16 1 0 1 1 0 8 0 amappl13 176 618 0 615 1 0 1 1 0 8 0 amappl12 168 23 0 20 1 0 1 1 0 8 0 amappl11 160 2214 0 2196 1 0 1 1 0 8 0 amappl10 152 209 0 198 1 0 1 1 0 8 0 amappl9 144 800 0 797 1 0 1 1 0 8 0 amappl8 136 962 0 909 2 0 2 2 0 8 0 amappl7 128 531 0 520 1 0 1 1 0 8 0 amappl6 120 537 0 520 1 0 1 1 0 8 0 amappl5 112 2798 0 2780 1 0 1 1 0 8 0 amappl4 104 4090 0 4060 1 0 1 1 0 8 0 amappl3 96 312 0 295 1 0 1 1 0 8 0 amappl2 88 1076 0 1034 3 2 1 2 0 8 0 amappl1 80 74874 0 74396 13 2 11 13 0 8 0 amappl 88 47054 0 46845 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 22 0 3 1 0 1 1 0 8 0 uaddrrnd 24 3924 0 3892 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3924 0 3892 1 0 1 1 0 8 0 vmmpekpl 168 27662 0 27618 3 0 3 3 0 8 0 vmmpepl 168 356992 0 354982 185 72 113 113 0 357 17 vmsppl 368 3923 0 3892 4 0 4 4 0 8 0 rwobjpl 56 92285 0 84952 109 2 107 108 0 8 0 pdppl 4096 7856 0 7795 89 24 65 65 0 8 4 pvpl 32 1775411 0 1755589 248 48 200 215 0 265 19 pmappl 248 3923 0 3892 3 0 3 3 0 8 0 extentpl 40 57 0 38 1 0 1 1 0 8 0 phpool 112 863 0 66 23 0 23 23 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:440 witness_checkorder(ffff800000bdf028,9,0) at witness_checkorder+0x138 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffff800000bdf028,9,0) at witness_checkorder+0x138 sys/kern/subr_witness.c:772 rw_enter_write(ffff800000bdf018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000bdf000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:90 [inline] unveil_delete_names(ffff800000bdf000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:100 unveil_destroy(ffff8000ffffb610) at unveil_destroy+0xad sys/kern/kern_unveil.c:191 exit1(ffff800021238540,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:225 sys_exit(ffff800021238540,ffff800027ba3d20,ffff800027ba3d80) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800027ba3df0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800027ba3df0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd7440, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020d38ff0) 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(ffffffff8292d388) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff8292d388) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff8292d388,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x3d3 sys/kern/sched_bsd.c:416 yield() at yield+0x5a sys/kern/sched_bsd.c:291 pool_get(ffffffff8292e6c8,1) at pool_get+0x199 sys/kern/subr_pool.c:591 uvm_mapent_alloc(ffffffff828839b0,0) at uvm_mapent_alloc+0x2fe sys/uvm/uvm_map.c:1773 uvm_map_clip_start(ffffffff828839b0,fffffd8076b0d550,ffff800027b92000) at uvm_map_clip_start+0x97 sys/uvm/uvm_map.c:4840 uvm_unmap_remove(ffffffff828839b0,ffff800027b92000,ffff800027b98000,ffff8000211850b0,0,1) at uvm_unmap_remove+0x222 sys/uvm/uvm_map.c:2233 uvm_unmap(ffffffff828839b0,ffff800027b92000,ffff800027b98000) at uvm_unmap+0x92 vm_map_unlock_ln sys/uvm/uvm_map.c:5494 [inline] uvm_unmap(ffffffff828839b0,ffff800027b92000,ffff800027b98000) at uvm_unmap+0x92 sys/uvm/uvm_map.c:2069 uvm_uarea_free(ffff800022c94d20) at uvm_uarea_free+0x35 sys/uvm/uvm_glue.c:287 reaper(ffff8000211497a0) at reaper+0x158 sys/kern/kern_exit.c:451 end trace frame: 0x0, count: -14