witness: lock_object uninitialized: 0xffff800000d71028 Starting stack trace... witness_checkorder(ffff800000d71028,9,0) at witness_checkorder+0x137 witness_debugger sys/kern/subr_witness.c:2510 [inline] witness_checkorder(ffff800000d71028,9,0) at witness_checkorder+0x137 sys/kern/subr_witness.c:777 rw_enter_write(ffff800000d71018) at rw_enter_write+0x5c sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000d71000) at unveil_delete_names+0x34 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:92 [inline] unveil_delete_names(ffff800000d71000) at unveil_delete_names+0x34 sys/kern/kern_unveil.c:102 unveil_destroy(ffff800021275940) at unveil_destroy+0xad sys/kern/kern_unveil.c:183 exit1(ffff80002128f370,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:220 sys_exit(ffff80002128f370,ffff800024d43910,ffff800024d43960) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff800024d439e0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800024d439e0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78f4b5c43800, count: 249 End of stack trace. Stopped at db_enter+0x1c: 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+0x1c sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffff800000d71028,9,0) at witness_checkorder+0x13c witness_debugger sys/kern/subr_witness.c:2510 [inline] witness_checkorder(ffff800000d71028,9,0) at witness_checkorder+0x13c sys/kern/subr_witness.c:777 rw_enter_write(ffff800000d71018) at rw_enter_write+0x5c sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000d71000) at unveil_delete_names+0x34 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:92 [inline] unveil_delete_names(ffff800000d71000) at unveil_delete_names+0x34 sys/kern/kern_unveil.c:102 unveil_destroy(ffff800021275940) at unveil_destroy+0xad sys/kern/kern_unveil.c:183 exit1(ffff80002128f370,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:220 sys_exit(ffff80002128f370,ffff800024d43910,ffff800024d43960) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff800024d439e0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800024d439e0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78f4b5c43800, count: -9 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff800024d436b0 rbx 0x3 rdx 0 rcx 0xffff80002128f370 rax 0xffff800020d58ff0 r8 0xffff800024d43650 r9 0x8080808080808080 r10 0x27b1f4c65adededc r11 0x518f65aff52f7ee5 r12 0xffff800000d71001 r13 0xffff800000d71028 r14 0 r15 0 rip 0xffffffff81a54b4c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff800024d436a0 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.3) pid=449370 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff80002128e5d8,0xffff80002128e078 process=0xffff800021275940 user=0xffff800024d3e000, vmspace=0xfffffd806e3dbcc0 estcpu=36, cpticks=17, pctcpu=0.0 user=0, sys=8, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 26752 30830 3206 0 2 0 syz-executor.2 44741 357285 77596 0 2 0 syz-executor.5 16116 480479 25845 0 2 0 syz-executor.1 18261 99021 27255 0 2 0 syz-executor.7 18261 203539 27255 0 2 0x4000000 syz-executor.7 95681 69514 0 0 3 0x14200 acct acct 3206 457973 91769 0 3 0x82 nanoslp syz-executor.2 73538 50746 91769 0 2 0x2 syz-executor.0 27353 273546 0 0 3 0x14280 nfsidl nfsio 30367 164560 0 0 3 0x14280 nfsidl nfsio 41759 125762 0 0 3 0x14280 nfsidl nfsio 42274 295581 0 0 3 0x14280 nfsidl nfsio 95589 194432 0 0 3 0x14280 nfsidl nfsio 93733 271856 0 0 3 0x14280 nfsidl nfsio 1454 272964 0 0 3 0x14280 nfsidl nfsio 77151 377557 0 0 3 0x14280 nfsidl nfsio 34909 146729 0 0 3 0x14280 nfsidl nfsio 44638 248561 0 0 3 0x14280 nfsidl nfsio 21816 252080 0 0 3 0x14280 nfsidl nfsio 27963 459179 0 0 3 0x14280 nfsidl nfsio 49455 13659 0 0 3 0x14280 nfsidl nfsio 45039 95585 0 0 3 0x14280 nfsidl nfsio 26832 415767 0 0 3 0x14280 nfsidl nfsio 3164 482735 0 0 3 0x14280 nfsidl nfsio 3811 413353 0 0 3 0x14280 nfsidl nfsio 88230 485456 0 0 3 0x14280 nfsidl nfsio 19179 324329 0 0 3 0x14280 nfsidl nfsio 21080 68645 0 0 3 0x14280 nfsidl nfsio 25845 197089 91769 0 3 0x82 nanoslp syz-executor.1 18678 477383 91769 0 3 0x82 nanoslp syz-executor.3 23072 61831 0 0 3 0x14200 bored sosplice 27255 37370 91769 0 3 0x82 nanoslp syz-executor.7 3238 494013 91769 0 2 0x2 syz-executor.6 77596 339164 91769 0 3 0x82 nanoslp syz-executor.5 9146 423486 91769 0 3 0x82 nanoslp syz-executor.4 91769 75886 64518 0 3 0x2000082 kqread syz-fuzzer 91769 29032 64518 0 3 0x6000082 thrsleep syz-fuzzer 91769 458068 64518 0 3 0x6000082 wait syz-fuzzer 91769 242785 64518 0 3 0x6000082 thrsleep syz-fuzzer 91769 180243 64518 0 3 0x6000082 wait syz-fuzzer 91769 366293 64518 0 3 0x6000082 wait syz-fuzzer 91769 321867 64518 0 3 0x6000082 thrsleep syz-fuzzer 91769 258135 64518 0 3 0x6000082 thrsleep syz-fuzzer 91769 45335 64518 0 3 0x6000082 thrsleep syz-fuzzer 91769 44999 64518 0 3 0x6000082 thrsleep syz-fuzzer 91769 207485 64518 0 3 0x6000082 wait syz-fuzzer 91769 93366 64518 0 3 0x6000082 wait syz-fuzzer 91769 14783 64518 0 3 0x6000082 wait syz-fuzzer 91769 235735 64518 0 3 0x6000082 wait syz-fuzzer 91769 358510 64518 0 3 0x6000082 wait syz-fuzzer 91769 284916 64518 0 3 0x6000082 thrsleep syz-fuzzer 64518 229279 91247 0 3 0x10008a sigsusp ksh 91247 94486 71166 0 3 0x9a kqread sshd 31554 170531 1 0 3 0x100083 ttyin getty 71166 215488 1 0 3 0x88 kqread sshd 55374 155432 61429 74 3 0x1100092 bpf pflogd 61429 99914 1 0 3 0x80 netio pflogd 72002 166764 98869 73 3 0x1100090 kqread syslogd 98869 67927 1 0 3 0x100082 netio syslogd 60843 78281 1 0 3 0x100080 kqread resolvd 65314 295172 74669 77 3 0x100092 kqread dhcpleased 16736 271091 74669 77 3 0x100092 kqread dhcpleased 74669 357923 1 0 3 0x80 kqread dhcpleased 33715 159835 0 0 3 0x14200 bored smr 33335 501493 0 0 2 0x14200 zerothread 82973 197978 0 0 3 0x14200 aiodoned aiodoned 30675 322202 0 0 3 0x14200 syncer update 68956 402977 0 0 3 0x14200 cleaner cleaner 31756 208251 0 0 7 0x14200 reaper 10274 404663 0 0 3 0x14200 pgdaemon pagedaemon 1334 182726 0 0 3 0x14200 bored viomb 84385 218978 0 0 3 0x40014200 acpi0 acpi0 45626 180524 0 0 3 0x40014200 idle1 47055 523482 0 0 3 0x14200 bored softnet3 94863 116264 0 0 3 0x14200 bored softnet2 1776 54953 0 0 3 0x14200 bored softnet1 87788 352958 0 0 3 0x14200 bored softnet0 99335 300317 0 0 3 0x14200 bored systqmp 74464 185654 0 0 3 0x14200 bored systq 97349 66441 0 0 3 0x40014200 bored softclock 22494 100097 0 0 3 0x40014200 idle0 1 46298 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 26752 (syz-executor.2) thread 0xffff800021214850 (30830) exclusive rwlock vmmaplk r = 0 (0xfffffd80698f0a20) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5345 #3 uvmfault_lookup+0xb6 sys/uvm/uvm_fault.c:1767 #4 uvm_fault_check+0x65d uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] #4 uvm_fault_check+0x65d sys/uvm/uvm_fault.c:711 #5 uvm_fault+0xf2 sys/uvm/uvm_fault.c:601 #6 upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 Process 44741 (syz-executor.5) thread 0xffff800021214dc0 (357285) exclusive rwlock vmmaplk r = 0 (0xfffffd80698f02e0) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5345 #3 uvm_mapanon+0x23e sys/uvm/uvm_map.c:787 #4 sys_mmap+0x870 uvm_mmapanon sys/uvm/uvm_mmap.c:1007 [inline] #4 sys_mmap+0x870 sys/uvm/uvm_mmap.c:421 #5 syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] #5 syscall+0x606 sys/arch/amd64/amd64/trap.c:623 #6 Xsyscall+0x128 Process 16116 (syz-executor.1) thread 0xffff80002128ee00 (480479) exclusive rwlock vmmaplk r = 0 (0xfffffd80698f0850) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5345 #3 uvm_mapanon+0x23e sys/uvm/uvm_map.c:787 #4 sys_mmap+0x870 uvm_mmapanon sys/uvm/uvm_mmap.c:1007 [inline] #4 sys_mmap+0x870 sys/uvm/uvm_mmap.c:421 #5 syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] #5 syscall+0x606 sys/arch/amd64/amd64/trap.c:623 #6 Xsyscall+0x128 Process 73538 (syz-executor.0) thread 0xffff8000211e5b90 (50746) exclusive rwlock vmmaplk r = 0 (0xfffffd8008a0e498) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5345 #3 uvmspace_fork+0xb6 sys/uvm/uvm_map.c:3903 #4 process_new+0x304 sys/kern/kern_fork.c:262 #5 fork1+0x318 sys/kern/kern_fork.c:383 #6 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #6 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd8008a0e0f8) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5345 #3 uvmspace_fork+0x3b sys/uvm/uvm_map.c:3894 #4 process_new+0x304 sys/kern/kern_fork.c:262 #5 fork1+0x318 sys/kern/kern_fork.c:383 #6 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #6 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #7 Xsyscall+0x128 Process 3238 (syz-executor.6) thread 0xffff8000212142e0 (494013) exclusive rwlock vmmaplk r = 0 (0xfffffd8008a0eda8) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5345 #3 uvmspace_fork+0xb6 sys/uvm/uvm_map.c:3903 #4 process_new+0x304 sys/kern/kern_fork.c:262 #5 fork1+0x318 sys/kern/kern_fork.c:383 #6 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #6 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd80698f0bf0) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5345 #3 uvmspace_fork+0x3b sys/uvm/uvm_map.c:3894 #4 process_new+0x304 sys/kern/kern_fork.c:262 #5 fork1+0x318 sys/kern/kern_fork.c:383 #6 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #6 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #7 Xsyscall+0x128 Process 31756 (reaper) thread 0xffff8000211ad310 (208251) exclusive rwlock kmmaplk r = 0 (0xffffffff82d0cfc0) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5345 #3 uvm_unmap+0x7c sys/uvm/uvm_map.c:1855 #4 uvm_uarea_free+0x39 sys/uvm/uvm_glue.c:288 #5 reaper+0x168 sys/kern/kern_exit.c:438 #6 proc_trampoline+0x1c ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10200 6488K 7328K 78643K 24708 0 pcb 13 14K 15K 78643K 285 0 rtable 239 7K 7K 78643K 550 0 pf 35 10K 10K 78643K 111 0 ifaddr 46 16K 16K 78643K 95 0 ifgroup 60 2K 2K 78643K 155 0 sysctl 2 0K 0K 78643K 2 0 counters 62 36K 36K 78643K 124 0 ioctlops 0 0K 4K 78643K 2016 0 iov 0 0K 16K 78643K 214 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1411 88K 88K 78643K 4810 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 43 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 298 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 16 57K 89K 78643K 3527 0 sigio 0 0K 0K 78643K 88 0 proc 71 115K 115K 78643K 867 0 subproc 104 6K 6K 78643K 156 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 67 0 in_multi 99 7K 7K 78643K 178 0 ether_multi 1 0K 0K 78643K 6 0 mrt 0 0K 0K 78643K 2 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 73 334K 334K 78643K 73 0 exec 0 0K 1K 78643K 810 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 357 91K 97K 78643K 38347 0 UVM aobj 131 4K 4K 78643K 134 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 156 0 NDP 13 0K 2K 78643K 68 0 temp 74 5920K 6044K 78643K 38163 0 kqueue 12 18K 24K 78643K 247 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 120 104 0 101 1 0 1 1 0 8 0 rtentry 112 165 0 54 4 0 4 4 0 8 0 unpcb 144 3169 0 3154 33 32 1 10 0 8 0 syncache 296 27 0 27 7 7 0 1 0 8 0 tcpqe 32 152 0 152 6 6 0 1 0 8 0 tcpcb 808 1504 0 1500 49 48 1 8 0 8 0 arp 120 27 0 9 1 0 1 1 0 8 0 inpcb 368 2761 0 2754 64 63 1 14 0 8 0 nd6 136 45 0 20 1 0 1 1 0 8 0 kcovpl 48 12 0 4 1 0 1 1 0 8 0 ppxss 1256 16 0 16 6 6 0 1 0 8 0 pffrag 232 31 0 31 1 1 0 1 0 482 0 pffrnode 88 31 0 31 1 1 0 1 0 8 0 pffrent 40 73 0 73 2 2 0 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 24 110 0 96 1 0 1 1 0 8 0 pfstkey 128 110 0 96 2 0 2 2 0 8 0 pfstate 376 110 0 96 6 3 3 4 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 687 0 213 32 1 31 31 0 8 0 art_table 32 688 0 213 4 0 4 4 0 8 0 art_node 16 164 0 63 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 10 1 1 0 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 291 0 281 1 0 1 1 0 8 0 shmpl 112 131 0 3 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 5778 0 4299 93 0 93 93 0 8 0 ffsino 272 5778 0 4299 99 0 99 99 0 8 0 nchpl 144 10603 0 8950 64 0 64 64 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 37325 0 37325 9 8 1 4 0 8 1 percpumem 16 75 0 31 1 0 1 1 0 8 0 kstatmem 264 88 0 62 2 0 2 2 0 8 0 scxspl 216 30490 0 30490 16 15 1 8 1 8 1 plimitpl 152 380 0 364 1 0 1 1 0 8 0 sigapl 424 3865 0 3795 9 1 8 8 0 8 0 futexpl 64 29350 0 29350 2 1 1 1 0 8 1 knotepl 120 123 0 0 4 0 4 4 0 8 0 kqueuepl 216 691 0 683 17 16 1 5 0 8 0 pipepl 320 743 0 715 17 14 3 8 0 8 0 fdescpl 496 3826 0 3797 5 1 4 5 0 8 0 filepl 152 24223 0 23985 58 45 13 20 0 8 0 lockfpl 104 5564 0 5562 12 11 1 3 0 8 0 lockfspl 48 2704 0 2702 2 1 1 2 0 8 0 sessionpl 144 28 0 11 1 0 1 1 0 8 0 pgrppl 48 61 0 44 1 0 1 1 0 8 0 ucredpl 104 2116 0 2104 1 0 1 1 0 8 0 zombiepl 144 4986 0 4984 1 0 1 1 0 8 0 processpl 1072 3865 0 3795 5 0 5 5 0 8 0 procpl 696 10528 0 10440 17 7 10 11 0 8 1 sosppl 168 29 0 29 3 3 0 1 0 8 0 sockpl 488 6044 0 6019 158 153 5 34 0 8 1 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 11 0 0 2 0 2 2 0 8 0 mcl12k 12288 13 0 0 2 0 2 2 0 8 0 mcl9k 9216 9 0 0 1 0 1 1 0 8 0 mcl8k 8192 22 0 0 3 1 2 3 0 8 0 mcl4k 4096 27 0 0 3 0 3 3 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 278 0 0 33 1 32 33 0 8 0 mtagpl 96 1549 0 0 37 0 37 37 0 8 0 mbufpl 256 2322 0 0 139 0 139 139 0 8 0 bufpl 288 8917 0 2590 453 0 453 453 0 8 0 anonpl 24 500693 0 487369 142 52 90 109 0 186 0 amapchunkpl 152 121125 0 120301 52 12 40 41 0 158 0 amappl16 200 11288 0 10895 65 43 22 34 0 8 0 amappl15 192 12 0 11 1 0 1 1 0 8 0 amappl14 184 200 0 184 2 1 1 2 0 8 0 amappl13 176 11 0 9 1 0 1 1 0 8 0 amappl12 168 4576 0 4547 3 1 2 2 0 8 0 amappl11 160 61 0 47 1 0 1 1 0 8 0 amappl10 152 38 0 27 1 0 1 1 0 8 0 amappl9 144 245 0 244 2 1 1 1 0 8 0 amappl8 136 310 0 227 3 0 3 3 0 8 0 amappl7 128 146 0 133 2 1 1 2 0 8 0 amappl6 120 335 0 309 2 1 1 2 0 8 0 amappl5 112 239 0 228 1 0 1 1 0 8 0 amappl4 104 691 0 648 3 1 2 3 0 8 0 amappl3 96 23856 0 23783 4 1 3 3 0 8 0 amappl2 88 4194 0 4123 3 1 2 3 0 8 0 amappl1 80 22345 0 21789 23 9 14 23 0 8 0 amappl 88 37669 0 37446 7 0 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 72 133 0 3 3 0 3 3 0 8 0 uaddrrnd 24 3826 0 3796 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3826 0 3796 1 0 1 1 0 8 0 vmmpekpl 168 34181 0 34113 4 0 4 4 0 8 0 vmmpepl 168 244982 0 242635 225 114 111 155 0 357 0 vmsppl 464 3825 0 3796 5 1 4 5 0 8 0 rwobjpl 56 73031 0 65489 115 6 109 111 0 8 0 pdppl 4096 7660 0 7592 272 202 70 84 0 8 2 pvpl 32 1249664 0 1230372 398 233 165 344 0 265 0 pmappl 248 3825 0 3796 3 1 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1267 0 332 29 1 28 28 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff82c01ff0) at x86_ipi_db+0x1e 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+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x35 sys/dev/kcov.c:164 __mp_lock(ffffffff82cb5dd0) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82cb5dd0) at __mp_lock+0x133 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82cb5dd0,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x4c6 sys/kern/sched_bsd.c:470 yield() at yield+0x5b sys/kern/sched_bsd.c:324 pool_get(ffffffff82d352b8,1) at pool_get+0x19d sys/kern/subr_pool.c:589 uvm_mapent_alloc(ffffffff82d0cec8,0) at uvm_mapent_alloc+0x2ff sys/uvm/uvm_map.c:1542 uvm_map_clip_start(ffffffff82d0cec8,fffffd807f0165e8,ffff800022ce6000) at uvm_map_clip_start+0x9b sys/uvm/uvm_map.c:4722 uvm_unmap_remove(ffffffff82d0cec8,ffff800022ce6000,ffff800022cec000,ffff8000211b9330,0,1,4bde0eea3710d06f) at uvm_unmap_remove+0x3a1 uvm_unmap(ffffffff82d0cec8,ffff800022ce6000,ffff800022cec000) at uvm_unmap+0x9d vm_map_unlock_ln sys/uvm/uvm_map.c:5379 [inline] uvm_unmap(ffffffff82d0cec8,ffff800022ce6000,ffff800022cec000) at uvm_unmap+0x9d sys/uvm/uvm_map.c:1856 uvm_uarea_free(ffff80002128eb48) at uvm_uarea_free+0x39 sys/uvm/uvm_glue.c:288 reaper(ffff8000211ad310) at reaper+0x168 sys/kern/kern_exit.c:438 end trace frame: 0x0, count: -15 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x1c: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffff800000d71028,9,0) at witness_checkorder+0x13c witness_debugger sys/kern/subr_witness.c:2510 [inline] witness_checkorder(ffff800000d71028,9,0) at witness_checkorder+0x13c sys/kern/subr_witness.c:777 rw_enter_write(ffff800000d71018) at rw_enter_write+0x5c sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000d71000) at unveil_delete_names+0x34 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:92 [inline] unveil_delete_names(ffff800000d71000) at unveil_delete_names+0x34 sys/kern/kern_unveil.c:102 unveil_destroy(ffff800021275940) at unveil_destroy+0xad sys/kern/kern_unveil.c:183 exit1(ffff80002128f370,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:220 sys_exit(ffff80002128f370,ffff800024d43910,ffff800024d43960) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff800024d439e0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800024d439e0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78f4b5c43800, count: -9