panic: pmap_remove_ptes: managed page without PG_PVLIST: va 0x110c24a000, opte 0x6c65d001 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8346d25e) at panic+0x1e5 sys/kern/subr_prf.c:198 pmap_remove_pte(fffffd806c65e500,fffffd8008955100,7f8008861180,110c230000,110c400000,0) at pmap_remove_pte pmap_do_remove(fffffd806c65e500,110c230000,110e230000,0) at pmap_do_remove+0x589 sys/arch/amd64/amd64/pmap.c:1920 uvm_unmap_kill_entry_withlock(fffffd806c878200,fffffd805c80bc98,0) at uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1869 uvm_map_teardown(fffffd806c878200) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd806c878200) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497 exit1(ffff8000fffee7e0,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff8000fffee7e0,ffff80003c3f14f0,ffff80003c3f1440) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c3f14f0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3f14f0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74c8ced27ab0, count: 5 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: pmap_remove_ptes: managed page without PG_PVLIST: va 0x110c24a000, opte 0x6c65d001 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8346d25e) at panic+0x1e5 sys/kern/subr_prf.c:198 pmap_remove_pte(fffffd806c65e500,fffffd8008955100,7f8008861180,110c230000,110c400000,0) at pmap_remove_pte pmap_do_remove(fffffd806c65e500,110c230000,110e230000,0) at pmap_do_remove+0x589 sys/arch/amd64/amd64/pmap.c:1920 uvm_unmap_kill_entry_withlock(fffffd806c878200,fffffd805c80bc98,0) at uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1869 uvm_map_teardown(fffffd806c878200) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd806c878200) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497 exit1(ffff8000fffee7e0,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff8000fffee7e0,ffff80003c3f14f0,ffff80003c3f1440) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c3f14f0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3f14f0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74c8ced27ab0, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c3f10a0 rbx 0xffffffff83862e07 cpu_info_full_primary+0x2e07 rdx 0 rcx 0xffff8000fffee7e0 rax 0xffffffff83861ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x9941fa52eb0d03fe r11 0xd30ea2fc55135a97 r12 0xffffffff83862c08 cpu_info_full_primary+0x2c08 r13 0 r14 0 r15 0x1 rip 0xffffffff82851095 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c3f1090 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=288857 pid=9291 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=82, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000fffee7e0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003afd9ca8,0xffff80003afd8560 process=0xffff80002a39c9b8 user=0xffff80003c3ec000, vmspace=0xfffffd806c878200 estcpu=32, cpticks=2, pctcpu=0.1, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 23677 244093 19794 0 2 0 syz-executor 57544 35098 48706 0 3 0x80 nanoslp syz-executor 57544 366166 48706 0 2 0x4000000 syz-executor 80161 331609 30604 0 2 0 syz-executor 80161 461521 30604 0 3 0x4000080 fsleep syz-executor 80161 388197 30604 0 3 0x4000080 fsleep syz-executor 91583 524078 29946 0 3 0x90 nanoslp syz-executor 91583 366233 29946 0 3 0x4000090 fsleep syz-executor 91583 5487 29946 0 3 0x4000090 kqsel syz-executor 91583 114213 29946 0 3 0x4000090 kqread syz-executor 68002 22383 29088 0 2 0 syz-executor 68002 423145 29088 0 3 0x4000080 fsleep syz-executor 62790 417149 0 0 3 0x14200 acct acct 72912 258222 1 0 3 0x100083 ttyin getty 48706 105587 39738 0 3 0x82 nanoslp syz-executor 29946 485175 39738 0 3 0x82 nanoslp syz-executor 30604 318667 39738 0 3 0x82 nanoslp syz-executor 29088 330486 39738 0 3 0x82 nanoslp syz-executor 49411 130406 39738 0 3 0x82 nanoslp syz-executor 50440 312444 39738 0 3 0x2 biowait syz-executor 19794 8884 39738 0 3 0x82 nanoslp syz-executor 91524 308530 39738 0 3 0x82 nanoslp syz-executor 39738 207443 20929 0 2 0x2 syz-executor 20929 50308 95192 0 3 0x10008a sigsusp ksh 95192 489600 58380 0 3 0x98 kqread sshd-session 58380 338117 6533 0 3 0x92 kqread sshd-session 6533 77613 1 0 3 0x88 kqread sshd 31944 346534 54655 74 3 0x1100092 bpf pflogd 54655 101475 1 0 3 0x80 sbwait pflogd 4163 109413 40827 73 3 0x1100090 kqread syslogd 40827 387531 1 0 3 0x100082 sbwait syslogd 60741 439193 1 0 3 0x100080 kqread resolvd 48803 177925 64452 77 3 0x100092 kqread dhcpleased 43331 432549 64452 77 3 0x100092 kqread dhcpleased 64452 491959 1 0 3 0x80 kqread dhcpleased 69539 426983 0 0 3 0x14200 bored smr 53109 39871 0 0 2 0x14200 zerothread 176 230928 0 0 3 0x14200 aiodoned aiodoned 76402 459690 0 0 3 0x14200 syncer update 41227 398779 0 0 3 0x14200 cleaner cleaner 11982 433412 0 0 3 0x14200 reaper reaper 23668 265479 0 0 3 0x14200 pgdaemon pagedaemon 76481 511081 0 0 3 0x14200 bored viomb 61491 432260 0 0 3 0x40014200 acpi0 acpi0 54682 258160 0 0 7 0x40014200 idle1 88972 322520 0 0 3 0x14200 bored softnet1 12336 96549 0 0 2 0x14200 softnet0 26348 461926 0 0 3 0x14200 bored systqmp 42254 168666 0 0 3 0x14200 bored systq 87447 481095 0 0 3 0x14200 tmoslp softclockmp 28583 140892 0 0 3 0x40014200 tmoslp softclock 47642 350528 0 0 3 0x40014200 idle0 1 164148 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806c65e510) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 pmap_do_remove+0xa9 rcr3 sys/arch/amd64/compile/SYZKALLER/obj/machine/cpufunc.h:139 [inline] #2 pmap_do_remove+0xa9 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:437 [inline] #2 pmap_do_remove+0xa9 sys/arch/amd64/amd64/pmap.c:1824 #3 uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1869 #4 uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] #4 uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497 #5 exit1+0x6fc sys/kern/kern_exit.c:260 #6 sys_exit+0x1a sys/kern/kern_exit.c:-1 #7 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #7 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #8 Xsyscall+0x128 Process 57544 (syz-executor) thread 0xffff80003c46a2d0 (366166) exclusive rrwlock inode r = 0 (0xfffffd806c653a08) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x2bd sys/kern/sys_generic.c:384 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 50440 (syz-executor) thread 0xffff8000ffffd230 (312444) exclusive rrwlock inode r = 0 (0xfffffd806fbf4c58) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3143 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d5ad9f0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3128 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11064 12170K 14016K 166960K 13525 0 pcb 18 15K 17K 166960K 368 0 rtable 235 11K 12K 166960K 511 0 pf 34 17K 19K 166960K 173 0 ifaddr 38 7K 8K 166960K 119 0 ifgroup 51 2K 2K 166960K 218 0 sysctl 4 1K 9K 166960K 11 0 counters 68 36K 38K 166960K 238 0 ioctlops 0 0K 4K 166960K 1705 0 iov 0 0K 28K 166960K 60 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1376 86K 87K 166960K 2201 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 15 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 49 0 dirhash 12 2K 2K 166960K 33 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 93K 166960K 1188 0 sigio 0 0K 0K 166960K 25 0 proc 72 115K 163K 166960K 660 0 subproc 72 4K 4K 166960K 74 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 157 0 in_multi 81 5K 7K 166960K 160 0 ether_multi 1 0K 0K 166960K 9 0 mrt 0 0K 0K 166960K 30 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 523 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 245 178K 206K 166960K 12736 0 UVM aobj 28 14K 14K 166960K 29 0 pinsyscall 41 82K 105K 166960K 2389 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 99 0 NDP 11 0K 2K 166960K 83 0 temp 68 9081K 9150K 166960K 55133 0 kqueue 14 22K 30K 166960K 247 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 91 0 88 1 0 1 1 0 8 0 rtentry 176 149 0 59 6 0 6 6 0 8 0 unpcb 144 961 0 943 8 2 6 6 0 8 5 syncache 336 9 0 9 2 2 0 1 0 8 0 tcpcb 736 414 0 408 7 6 1 7 0 8 0 arp 136 23 0 6 1 0 1 1 0 8 0 inpcb 328 1272 0 1261 11 4 7 7 0 8 5 nd6 152 28 0 6 1 0 1 1 0 8 0 pkpcb 40 6 0 6 2 1 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 mppekey 1024 2 0 2 2 1 1 1 0 8 1 ppxss 1192 63 0 63 1 0 1 1 0 8 1 pppxif 1504 10 0 10 2 1 1 1 0 8 1 pfstscr 40 2 0 2 2 2 0 1 0 8 0 pffrag 232 13 0 5 1 0 1 1 0 482 0 pffrnode 88 13 0 5 1 0 1 1 0 8 0 pffrent 40 19 0 11 1 0 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 1 0 1 1 1 0 1 0 8 0 pfstlim 224 1 0 1 1 1 0 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 75 0 23 1 0 1 1 0 8 0 pfstkey 128 78 0 26 2 0 2 2 0 8 0 pfstate 448 77 0 25 6 0 6 6 0 8 0 pfrule 1360 25 0 19 2 1 1 2 0 8 0 rttmr 136 3 0 3 2 1 1 1 0 8 1 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 619 0 231 31 6 25 31 0 8 0 art_table 40 623 0 231 5 0 5 5 0 8 0 art_node 32 149 0 67 1 0 1 1 0 8 0 sysvmsgpl 40 19 0 10 1 0 1 1 0 8 0 semapl 112 44 0 34 1 0 1 1 0 8 0 shmpl 112 19 0 0 1 0 1 1 0 8 0 dirhash 1024 32 0 15 3 0 3 3 0 8 0 dino2pl 256 3686 0 2233 93 0 93 93 0 8 0 ffsino 296 3686 0 2233 114 0 114 114 0 8 0 nchpl 144 5381 0 3676 64 0 64 64 0 8 0 rtmask 32 15 0 15 2 1 1 1 0 8 1 vnodes 216 4124 0 0 230 0 230 230 0 8 0 namei 1024 19133 0 19132 3 2 1 2 0 8 0 percpumem 16 134 0 85 1 0 1 1 0 8 0 vcpupl 3968 7 0 1 1 0 1 1 0 8 0 vmpool 848 7 0 1 1 0 1 1 0 8 0 kstatmem 264 132 0 108 3 1 2 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 8 0 8 2 2 0 1 0 8 0 scxspl 216 41051 0 41050 10 8 2 8 1 8 1 plimitpl 152 289 0 271 1 0 1 1 0 8 0 sigapl 424 1541 0 1493 8 2 6 8 0 8 0 knotepl 120 534 0 0 16 0 16 16 0 8 0 kqueuepl 224 567 0 555 4 2 2 3 0 8 1 pipepl 344 320 0 293 6 3 3 6 0 8 0 fdescpl 528 1500 0 1470 3 0 3 3 0 8 0 filepl 160 10052 0 9831 18 1 17 17 0 8 6 lockfpl 104 660 0 656 3 2 1 2 0 8 0 lockfspl 48 207 0 203 1 0 1 1 0 8 0 sessionpl 144 29 0 20 1 0 1 1 0 8 0 pgrppl 48 53 0 36 1 0 1 1 0 8 0 ucredpl 104 1428 0 1414 1 0 1 1 0 8 0 zombiepl 144 1495 0 1493 1 0 1 1 0 8 0 processpl 1232 1541 0 1493 6 2 4 6 0 8 0 procpl 664 3442 0 3387 9 2 7 8 0 8 1 sosppl 176 11 0 11 1 1 0 1 0 8 0 sockpl 752 2362 0 2330 27 16 11 17 0 8 7 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 113 0 0 15 1 14 15 0 8 0 mcl2k 2048 36 0 0 4 0 4 4 0 8 0 mtagpl 96 7 0 0 1 0 1 1 0 8 0 mbufpl 256 1834 0 0 115 0 115 115 0 8 0 bufpl 280 16799 0 10666 439 0 439 439 0 8 0 anonpl 32 15433 0 0 125 0 125 125 0 246 0 amapchunkpl 152 44336 0 43786 40 5 35 35 0 158 10 amappl16 200 6798 0 6606 57 30 27 35 0 8 8 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 440 0 439 1 0 1 1 0 8 0 amappl13 176 142 0 130 1 0 1 1 0 8 0 amappl12 168 1763 0 1733 2 0 2 2 0 8 0 amappl11 160 11 0 11 1 1 0 1 0 8 0 amappl10 152 66 0 52 1 0 1 1 0 8 0 amappl9 144 262 0 262 1 1 0 1 0 8 0 amappl8 136 123 0 120 1 0 1 1 0 8 0 amappl7 128 67 0 65 1 0 1 1 0 8 0 amappl6 120 282 0 270 1 0 1 1 0 8 0 amappl5 112 94 0 83 1 0 1 1 0 8 0 amappl4 104 543 0 505 2 0 2 2 0 8 0 amappl3 96 7540 0 7453 4 1 3 3 0 8 0 amappl2 88 1622 0 1553 2 0 2 2 0 8 0 amappl1 80 15716 0 15116 17 2 15 15 0 8 0 amappl 88 11788 0 11618 5 0 5 5 0 92 0 uvmvnodes 80 148 0 0 4 0 4 4 0 8 0 dma4096 4096 2 0 2 2 2 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 7 0 7 2 1 1 1 0 8 1 dma128 128 256 0 256 2 2 0 1 0 8 0 dma64 64 7 0 7 2 1 1 1 0 8 1 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 28 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1500 0 1469 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1500 0 1469 1 0 1 1 0 8 0 vmmpekpl 168 14492 0 14454 3 0 3 3 0 8 0 vmmpepl 168 104433 0 102344 119 3 116 116 0 357 12 vmsppl 488 1499 0 1469 5 1 4 5 0 8 0 rwobjpl 80 31560 0 30291 37 0 37 37 0 8 2 pdppl 4096 3021 0 2946 115 37 78 85 0 8 3 pvpl 32 23117 0 0 187 0 187 187 0 265 0 pmappl 256 1506 0 1470 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 412 0 59 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8346d25e) at panic+0x1e5 sys/kern/subr_prf.c:198 pmap_remove_pte(fffffd806c65e500,fffffd8008955100,7f8008861180,110c230000,110c400000,0) at pmap_remove_pte pmap_do_remove(fffffd806c65e500,110c230000,110e230000,0) at pmap_do_remove+0x589 sys/arch/amd64/amd64/pmap.c:1920 uvm_unmap_kill_entry_withlock(fffffd806c878200,fffffd805c80bc98,0) at uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1869 uvm_map_teardown(fffffd806c878200) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd806c878200) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497 exit1(ffff8000fffee7e0,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff8000fffee7e0,ffff80003c3f14f0,ffff80003c3f1440) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c3f14f0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3f14f0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74c8ced27ab0, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299bdff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299bdff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff8000299bdff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299bdff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -5