kernel: page fault trap, code=10 Stopped at 0 TID PID UID PRFLAGS PFLAGS CPU COMMAND *219788 99825 0 0x8000000 0x4000080 1 syz-executor.1 151881 97474 0 0x14000 0x200 0 reaper end trace frame: 0x0, count: 14 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: attempt to execute user address 0x0 in supervisor mode ddb{1}> trace end trace frame: 0x0, count: -1 ddb{1}> show registers rdi 0 rsi 0xffff8000373b9c68 rbp 0 rbx 0 rdx 0x74aa3002 rcx 0 rax 0x8000000074a79001 r8 0x2 r9 0x1 r10 0x98b25abb629cf76a r11 0xd9d29ec7b86ecbb r12 0 r13 0 r14 0 r15 0 rip 0 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a2294b0 ss 0x10 0 ddb{1}> show proc PROC (syz-executor.1) tid=219788 pid=99825 tcnt=3 stat=onproc flags process=8000000 proc=4000080 runpri=32, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a233c58,0xffff8000373b99e8 process=0xffff8000ffff4d68 user=0xffff80002a224000, vmspace=0xfffffd8067333538 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 44983 516562 18510 0 2 0x8000000 syz-executor.4 44983 303879 18510 0 2 0xc000000 syz-executor.4 48145 351644 96911 0 3 0x810008a sigsusp sh 99825 250560 44479 0 2 0x8000000 syz-executor.1 *99825 219788 44479 0 7 0xc000080 syz-executor.1 99825 378177 44479 0 3 0xc000080 fsleep syz-executor.1 96911 358801 58263 0 3 0x8000082 wait syz-executor.5 10931 467728 67766 0 2 0x8000000 syz-executor.0 10931 516086 67766 0 3 0xc000080 fsleep syz-executor.0 89807 515956 25044 0 2 0x8000000 syz-executor.7 69418 93592 58263 0 3 0x8000002 biowait syz-executor.2 25044 289034 58263 0 3 0x8000082 nanoslp syz-executor.7 84368 412370 58263 0 2 0x8000002 syz-executor.6 67766 414659 58263 0 2 0x8000482 syz-executor.0 3975 360417 58263 0 2 0x8000002 syz-executor.3 9175 167159 1 0 3 0x18100083 ttyin getty 34577 113573 0 0 3 0x14200 bored sosplice 18510 91088 58263 0 3 0x8000082 nanoslp syz-executor.4 44479 86977 58263 0 3 0x8000082 nanoslp syz-executor.1 58263 443849 69776 0 3 0x1a000082 wait syz-fuzzer 58263 53695 69776 0 3 0x1e000082 thrsleep syz-fuzzer 58263 131147 69776 0 3 0x1e000082 wait syz-fuzzer 58263 184989 69776 0 3 0x1e000082 thrsleep syz-fuzzer 58263 318531 69776 0 3 0x1e000082 wait syz-fuzzer 58263 184555 69776 0 3 0x1e000082 wait syz-fuzzer 58263 469724 69776 0 3 0x1e000082 wait syz-fuzzer 58263 340087 69776 0 3 0x1e000082 thrsleep syz-fuzzer 58263 89035 69776 0 3 0x1e000082 thrsleep syz-fuzzer 58263 522088 69776 0 3 0x1e000082 thrsleep syz-fuzzer 58263 165238 69776 0 3 0x1e000082 thrsleep syz-fuzzer 58263 293265 69776 0 3 0x1e000082 wait syz-fuzzer 58263 146833 69776 0 3 0x1e000082 wait syz-fuzzer 58263 455101 69776 0 3 0x1e000082 thrsleep syz-fuzzer 58263 290042 69776 0 3 0x1e000082 kqread syz-fuzzer 58263 3666 69776 0 3 0x1e000082 wait syz-fuzzer 69776 412407 61789 0 3 0x810008a sigsusp ksh 61789 104177 76126 0 3 0x1800009a kqread sshd 76126 279683 1 0 3 0x18000088 kqread sshd 36350 253240 54580 74 3 0x19100092 bpf pflogd 54580 417690 1 0 3 0x18000080 sbwait pflogd 16100 23080 18781 73 3 0x19100090 kqread syslogd 18781 216570 1 0 3 0x18100082 sbwait syslogd 84010 189430 1 0 3 0x18100080 kqread resolvd 69357 496042 4287 77 3 0x18100092 kqread dhcpleased 24470 98970 4287 77 3 0x18100092 kqread dhcpleased 4287 86985 1 0 3 0x18000080 kqread dhcpleased 86580 71634 0 0 3 0x14200 bored smr 69330 320765 0 0 2 0x14200 zerothread 26147 134405 0 0 3 0x14200 aiodoned aiodoned 32217 24165 0 0 3 0x14200 syncer update 10544 502329 0 0 3 0x14200 cleaner cleaner 97474 151881 0 0 7 0x14200 reaper 57253 224246 0 0 3 0x14200 pgdaemon pagedaemon 97969 348210 0 0 3 0x14200 bored viomb 76381 161974 0 0 3 0x40014200 acpi0 acpi0 1018 44164 0 0 3 0x40014200 idle1 68066 482746 0 0 3 0x14200 bored softnet3 70184 55865 0 0 3 0x14200 bored softnet2 49120 340493 0 0 3 0x14200 bored softnet1 7960 135824 0 0 3 0x14200 bored softnet0 36699 60519 0 0 3 0x14200 bored systqmp 83514 422889 0 0 3 0x14200 bored systq 97332 137555 0 0 3 0x14200 tmoslp softclockmp 30609 67303 0 0 3 0x40014200 tmoslp softclock 46003 196336 0 0 3 0x40014200 idle0 1 169852 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff82ddf868) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 mtx_enter_try+0x103 #2 mtx_enter+0x4e sys/kern/kern_lock.c:266 #3 uvm_pmr_freepages+0x123 sys/uvm/uvm_pmemrange.c:1289 #4 pmap_do_remove+0x678 sys/arch/amd64/amd64/pmap.c:1915 #5 uvm_unmap_kill_entry_withlock+0x1b1 sys/uvm/uvm_map.c:1897 #6 uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] #6 uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534 #7 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461 #8 reaper+0x197 sys/kern/kern_exit.c:463 #9 proc_trampoline+0x10 CPU 1: exclusive sched_lock &sched_lock r = 0 (0xffffffff82db4d38) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 preempt+0x3a sys/kern/sched_bsd.c:340 #2 ast+0x10b mi_ast sys/sys/syscall_mi.h:262 [inline] #2 ast+0x10b sys/arch/amd64/amd64/trap.c:541 #3 Xsyscall+0x156 Process 69418 (syz-executor.2) thread 0xffff8000373b87e8 (93592) exclusive rrwlock inode r = 0 (0xfffffd806e0825f8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vget+0x1fd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x1373 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6f8 sys/kern/vfs_lookup.c:566 #11 namei+0x56a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855 #13 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #13 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806eeda0a0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 #6 namei+0x56a sys/kern/vfs_lookup.c:250 #7 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855 #8 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #8 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 97474 (reaper) thread 0xffff80002a148f68 (151881) exclusive rwlock vmmaplk r = 0 (0xfffffd806b5099a0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5291 #3 uvm_map_teardown+0xb3 sys/uvm/uvm_map.c:2502 #4 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461 #5 reaper+0x197 sys/kern/kern_exit.c:463 #6 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10201 6514K 7012K 166960K 13699 0 pcb 17 12K 12K 166960K 407 0 rtable 195 7K 8K 166960K 1134 0 pf 37 10K 11K 166960K 191 0 ifaddr 41 15K 16K 166960K 168 0 ifgroup 66 2K 3K 166960K 303 0 sysctl 4 1K 2K 166960K 9 0 counters 68 36K 37K 166960K 184 0 ioctlops 0 0K 4K 166960K 1624 0 iov 0 0K 24K 166960K 175 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1389 87K 88K 166960K 3058 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 67 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 273 0 dirhash 12 2K 2K 166960K 81 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 15 53K 93K 166960K 2944 0 sigio 0 0K 0K 166960K 65 0 proc 70 91K 128K 166960K 1270 0 subproc 104 6K 7K 166960K 350 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 506 0 in_multi 78 5K 7K 166960K 366 0 ether_multi 1 0K 0K 166960K 37 0 mrt 2 0K 0K 166960K 12 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 103 466K 466K 166960K 103 0 exec 0 0K 1K 166960K 944 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 282 148K 157K 166960K 27628 0 UVM aobj 27 2K 2K 166960K 30 0 pinsyscall 39 78K 108K 166960K 4623 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 249 0 NDP 14 0K 2K 166960K 122 0 temp 75 6820K 7315K 166960K 88634 0 kqueue 12 18K 30K 166960K 520 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> 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 120 373 0 370 1 0 1 1 0 8 0 rtentry 112 352 0 267 4 0 4 4 0 8 0 unpcb 144 2200 0 2183 10 9 1 2 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpqe 32 18 0 18 2 2 0 1 0 8 0 tcpcb 808 767 0 762 7 6 1 2 0 8 0 arp 120 60 0 49 1 0 1 1 0 8 0 inpcb 384 2999 0 2991 11 9 2 3 0 8 1 nd6 136 97 0 74 2 0 2 2 0 8 0 pkpcb 40 16 0 16 9 9 0 1 0 8 0 kcovpl 48 26 0 18 1 0 1 1 0 8 0 ppxss 1168 11 0 11 8 8 0 1 0 8 0 pffrag 232 33 0 29 4 3 1 1 0 482 0 pffrnode 88 33 0 29 4 3 1 1 0 8 0 pffrent 40 272 0 268 4 3 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 24 237 0 175 1 0 1 1 0 8 0 pfstkey 128 237 0 175 3 0 3 3 0 8 0 pfstate 376 237 0 175 8 1 7 7 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 1311 0 918 31 2 29 30 0 8 0 art_table 32 1312 0 918 4 0 4 4 0 8 0 art_node 16 344 0 267 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 11 2 1 1 1 0 8 0 semupl 112 6 0 6 1 1 0 1 0 8 0 semapl 112 262 0 252 1 0 1 1 0 8 0 shmpl 112 27 0 3 1 0 1 1 0 8 0 dirhash 1024 63 0 46 3 0 3 3 0 8 0 dino2pl 256 6240 0 4709 97 0 97 97 0 8 0 ffsino 272 6240 0 4709 103 0 103 103 0 8 0 nchpl 144 10689 0 8947 67 0 67 67 0 8 0 uvmvnodes 80 7270 0 0 149 0 149 149 0 8 0 vnodes 216 7270 0 0 404 0 404 404 0 8 0 namei 1024 35700 0 35700 2 1 1 2 0 8 1 percpumem 16 106 0 58 1 0 1 1 0 8 0 vcpupl 3904 18 0 2 3 0 3 3 0 8 0 vmpool 696 20 0 4 2 0 2 2 0 8 0 kstatmem 264 144 0 116 3 1 2 3 0 8 0 scsiplug 72 10 0 10 8 8 0 1 0 8 0 scxspl 216 51842 0 51841 25 24 1 8 1 8 0 plimitpl 152 437 0 421 1 0 1 1 0 8 0 sigapl 424 3260 0 3211 9 2 7 9 0 8 0 futexpl 64 44195 0 44193 3 2 1 1 0 8 0 knotepl 120 534 0 0 11 0 11 11 0 8 0 kqueuepl 216 902 0 894 1 0 1 1 0 8 0 pipepl 320 570 0 542 4 1 3 4 0 8 0 fdescpl 496 3218 0 3190 10 5 5 5 0 8 0 filepl 152 19748 0 19506 15 3 12 14 0 8 0 lockfpl 104 850 0 848 2 1 1 2 0 8 0 lockfspl 48 302 0 300 1 0 1 1 0 8 0 sessionpl 144 43 0 26 1 0 1 1 0 8 0 pgrppl 48 85 0 68 1 0 1 1 0 8 0 ucredpl 104 3362 0 3347 1 0 1 1 0 8 0 zombiepl 144 3213 0 3211 1 0 1 1 0 8 0 processpl 1136 3260 0 3211 6 0 6 6 0 8 0 procpl 656 6470 0 6402 9 2 7 9 0 8 0 srpgc 96 12 0 12 5 5 0 1 0 8 0 sosppl 168 56 0 56 8 7 1 1 0 8 1 sockpl 664 5632 0 5604 10 6 4 5 0 8 1 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 389 0 0 46 1 45 46 0 8 0 mtagpl 96 27 0 0 1 0 1 1 0 8 0 mbufpl 256 1202 0 0 63 0 63 63 0 8 0 bufpl 280 12328 0 4838 536 0 536 536 0 8 0 anonpl 24 502121 0 495814 195 131 64 92 0 186 6 amapchunkpl 152 90200 0 89580 80 46 34 43 0 158 1 amappl16 200 11480 0 11340 82 67 15 24 0 8 1 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 218 0 205 2 1 1 2 0 8 0 amappl13 176 11 0 11 1 1 0 1 0 8 0 amappl12 168 4228 0 4193 4 1 3 3 0 8 0 amappl11 160 53 0 39 1 0 1 1 0 8 0 amappl10 152 67 0 56 1 0 1 1 0 8 0 amappl9 144 362 0 361 1 0 1 1 0 8 0 amappl8 136 197 0 160 2 0 2 2 0 8 0 amappl7 128 81 0 66 1 0 1 1 0 8 0 amappl6 120 613 0 593 2 0 2 2 0 8 0 amappl5 112 240 0 224 1 0 1 1 0 8 0 amappl4 104 739 0 697 3 1 2 3 0 8 0 amappl3 96 16768 0 16698 3 0 3 3 0 8 0 amappl2 88 3682 0 3606 4 2 2 4 0 8 0 amappl1 80 19401 0 18851 24 12 12 23 0 8 0 amappl 88 26761 0 26581 7 1 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 29 0 3 1 0 1 1 0 8 0 uaddrrnd 24 3238 0 3194 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3238 0 3194 1 0 1 1 0 8 0 vmmpekpl 168 25083 0 25022 4 0 4 4 0 8 0 vmmpepl 168 208720 0 206788 167 64 103 121 0 357 1 vmsppl 440 3237 0 3193 7 1 6 6 0 8 0 rwobjpl 56 60170 0 51699 129 9 120 120 0 8 0 pdppl 4096 6483 0 6402 288 204 84 86 0 8 3 pvpl 32 49128 0 0 398 1 397 397 0 265 0 pmappl 248 3237 0 3193 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 657 0 225 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82cf4ff0) 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 __mp_lock(ffffffff82db4b30) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82db4b30) at __mp_lock+0x129 sys/kern/kern_lock.c:147 wakeup_n(ffffffff82ddf6d4,ffffffff) at wakeup_n+0x58 sys/kern/kern_synch.c:542 uvm_pmr_freepages(fffffd800760bf80,1) at uvm_pmr_freepages+0x31c sys/uvm/uvm_pmemrange.c:1304 pmap_do_remove(fffffd806564b6d8,750ab4fa000,750ab4fb000,0) at pmap_do_remove+0x678 sys/arch/amd64/amd64/pmap.c:1915 uvm_unmap_kill_entry_withlock(fffffd806b5098b0,fffffd806b593a28,0) at uvm_unmap_kill_entry_withlock+0x1b1 sys/uvm/uvm_map.c:1897 uvm_map_teardown(fffffd806b5098b0) at uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd806b5098b0) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534 uvmspace_free(fffffd806b5098b0) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461 reaper(ffff80002a148f68) at reaper+0x197 sys/kern/kern_exit.c:463 end trace frame: 0x0, count: 4 ddb{0}> trace x86_ipi_db(ffffffff82cf4ff0) 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 __mp_lock(ffffffff82db4b30) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82db4b30) at __mp_lock+0x129 sys/kern/kern_lock.c:147 wakeup_n(ffffffff82ddf6d4,ffffffff) at wakeup_n+0x58 sys/kern/kern_synch.c:542 uvm_pmr_freepages(fffffd800760bf80,1) at uvm_pmr_freepages+0x31c sys/uvm/uvm_pmemrange.c:1304 pmap_do_remove(fffffd806564b6d8,750ab4fa000,750ab4fb000,0) at pmap_do_remove+0x678 sys/arch/amd64/amd64/pmap.c:1915 uvm_unmap_kill_entry_withlock(fffffd806b5098b0,fffffd806b593a28,0) at uvm_unmap_kill_entry_withlock+0x1b1 sys/uvm/uvm_map.c:1897 uvm_map_teardown(fffffd806b5098b0) at uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd806b5098b0) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534 uvmspace_free(fffffd806b5098b0) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461 reaper(ffff80002a148f68) at reaper+0x197 sys/kern/kern_exit.c:463 end trace frame: 0x0, count: -11 ddb{0}> machine ddbcpu 1 Stopped at 0end trace frame: 0x0, count: 14 ddb{1}> trace end trace frame: 0x0, count: -1