panic: kernel diagnostic assertion "pg->wire_count != 0" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 1250 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 65321 28914 0 0x2 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834489d1) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8348a893,ffffffff83480276,4e2,ffffffff833e285e) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pageunwire(fffffd8008cc1f18) at uvm_pageunwire+0x17d sys/uvm/uvm_page.c:1249 uvm_fault_unwire_locked(fffffd806f59c008,f51f221c000,f51f221d000) at uvm_fault_unwire_locked+0x33a sys/uvm/uvm_fault.c:1790 uvm_unmap_kill_entry_withlock(fffffd806f59c008,fffffd806a3bccb0,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1866 uvm_map_teardown(fffffd806f59c008) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd806f59c008) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497 exit1(ffff80002a356d28,b,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff80002a356d28,ffff80002a3784a0,ffff80002a3783f0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a3784a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3784a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d428d7ce5f0, count: 4 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: kernel diagnostic assertion "pg->wire_count != 0" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 1250 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834489d1) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8348a893,ffffffff83480276,4e2,ffffffff833e285e) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pageunwire(fffffd8008cc1f18) at uvm_pageunwire+0x17d sys/uvm/uvm_page.c:1249 uvm_fault_unwire_locked(fffffd806f59c008,f51f221c000,f51f221d000) at uvm_fault_unwire_locked+0x33a sys/uvm/uvm_fault.c:1790 uvm_unmap_kill_entry_withlock(fffffd806f59c008,fffffd806a3bccb0,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1866 uvm_map_teardown(fffffd806f59c008) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd806f59c008) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497 exit1(ffff80002a356d28,b,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff80002a356d28,ffff80002a3784a0,ffff80002a3783f0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a3784a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3784a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d428d7ce5f0, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a3780c0 rbx 0xffff8000299bee07 rdx 0 rcx 0xffff80002a356d28 rax 0xffff8000299bdff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x7c82f21f02e58736 r11 0x6fc7ee07d004334b r12 0xffff8000299bec08 r13 0 r14 0 r15 0x1 rip 0xffffffff82a473b5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a3780b0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=388379 pid=5765 tcnt=0 stat=onproc flags process=1001018 proc=2000 runpri=32, usrpri=82, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a356d28 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003b3ccfb0,0xffff80003b3cd4f0 process=0xffff80003c3e0e90 user=0xffff80002a373000, vmspace=0xfffffd806f59c008 estcpu=32, cpticks=28, pctcpu=0.23, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 37995 397346 54626 0 2 0 syz-executor 37995 173654 54626 0 3 0x4000080 fsleep syz-executor 97713 325691 85193 0 2 0 syz-executor 97713 114252 85193 0 3 0x4000080 fsleep syz-executor 97713 369125 85193 0 3 0x4000080 fsleep syz-executor 97713 201974 85193 0 3 0x4000080 fsleep syz-executor 1200 6681 59372 0 2 0 syz-executor 1200 387040 59372 0 3 0x4000080 fsleep syz-executor 59175 475191 49446 0 2 0 syz-executor 59175 407841 49446 0 3 0x4000080 fsleep syz-executor 59175 271452 49446 0 3 0x4000080 fsleep syz-executor 58501 307425 53354 0 2 0 syz-executor 58501 148283 53354 0 3 0x4000080 fsleep syz-executor 58501 185970 53354 0 3 0x4000080 fsleep syz-executor 27014 32198 0 0 3 0x14200 acct acct 53354 327638 90015 0 2 0xc82 syz-executor 28914 65321 90015 0 7 0x2 syz-executor 75115 79701 90015 0 2 0xc82 syz-executor 60405 146842 1 0 3 0x100083 ttyopn getty 59372 283616 90015 0 2 0xc82 syz-executor 99608 297410 90015 0 2 0xc82 syz-executor 54626 511761 90015 0 2 0xc82 syz-executor 85193 268668 90015 0 2 0xc82 syz-executor 49446 497142 90015 0 2 0xc82 syz-executor 90015 441205 74914 0 3 0x82 kqread syz-executor 74914 361950 18971 0 3 0x10008a sigsusp ksh 18971 378925 32845 0 3 0x98 kqread sshd-session 32845 328765 28516 0 3 0x92 kqread sshd-session 28516 30645 1 0 3 0x88 kqread sshd 66597 497392 13937 74 3 0x1100092 bpf pflogd 13937 93752 1 0 3 0x80 sbwait pflogd 26284 341341 85674 73 3 0x1100090 kqread syslogd 85674 38269 1 0 3 0x100082 sbwait syslogd 37000 61663 1 0 3 0x100080 kqread resolvd 74294 299731 77737 77 3 0x100092 kqread dhcpleased 7080 114644 77737 77 3 0x100092 kqread dhcpleased 77737 215650 1 0 3 0x80 kqread dhcpleased 55099 54643 0 0 3 0x14200 bored smr 85121 323128 0 0 3 0x14200 pgzero zerothread 9533 482691 0 0 3 0x14200 aiodoned aiodoned 81899 28985 0 0 3 0x14200 syncer update 59380 293848 0 0 3 0x14200 cleaner cleaner 20810 137616 0 0 3 0x14200 kmmaplk reaper 14082 494355 0 0 3 0x14200 pgdaemon pagedaemon 25952 107626 0 0 3 0x14200 bored viomb 6591 32998 0 0 3 0x40014200 acpi0 acpi0 13080 401946 0 0 3 0x40014200 idle1 5437 432076 0 0 3 0x14200 bored softnet1 86548 236033 0 0 3 0x14200 bored softnet0 82193 439484 0 0 3 0x14200 bored systqmp 7087 334461 0 0 3 0x14200 bored systq 89189 276543 0 0 3 0x14200 tmoslp softclockmp 83632 291049 0 0 3 0x40014200 tmoslp softclock 81533 454247 0 0 3 0x40014200 idle0 1 7260 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 58501 (syz-executor) thread 0xffff80002a242540 (307425) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839672c0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 uvm_fault+0x1ea sys/uvm/uvm_fault.c:650 #2 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #3 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 #4 recall_trap+0x8 exclusive rwlock uobjlk r = 0 (0xfffffd806a6dd178) #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 uvm_fault+0x1e5 sys/uvm/uvm_fault.c:649 #3 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #4 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806c6e8e78) #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_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 #7 recall_trap+0x8 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11092 12174K 14322K 166960K 14108 0 pcb 17 16K 28K 166960K 408 0 rtable 218 10K 11K 166960K 649 0 pf 29 16K 21K 166960K 147 0 ifaddr 35 6K 8K 166960K 113 0 ifgroup 44 1K 2K 166960K 193 0 sysctl 3 1K 9K 166960K 8 0 counters 66 36K 38K 166960K 198 0 ioctlops 0 0K 8K 166960K 1860 0 iov 0 0K 24K 166960K 124 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1361 86K 86K 166960K 2458 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 2K 6K 166960K 23 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 132 0 dirhash 12 2K 2K 166960K 39 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 110K 166960K 1436 0 sigio 0 0K 0K 166960K 22 0 proc 72 115K 163K 166960K 816 0 subproc 72 4K 4K 166960K 108 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 255 0 in_multi 77 5K 7K 166960K 208 0 ether_multi 1 0K 0K 166960K 17 0 mrt 1 0K 0K 166960K 34 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 819 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 266 162K 181K 166960K 15406 0 UVM aobj 61 18K 18K 166960K 68 0 pinsyscall 42 84K 104K 166960K 2789 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 104 0 NDP 10 0K 2K 166960K 78 0 temp 76 9083K 9188K 166960K 56750 0 kqueue 14 22K 30K 166960K 263 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 209 0 206 3 0 3 3 0 8 2 rtentry 176 198 0 112 6 1 5 6 0 8 0 unpcb 144 1065 0 1048 11 7 4 4 0 8 3 syncache 336 11 0 11 3 2 1 1 0 8 1 tcpcb 736 449 0 445 13 7 6 7 0 8 5 arp 136 31 0 16 1 0 1 1 0 8 0 inpcb 328 1930 0 1922 15 8 7 10 0 8 6 nd6 152 41 0 18 2 0 2 2 0 8 1 pkpcb 40 21 0 21 5 4 1 1 0 8 1 kcovpl 48 12 0 4 1 0 1 1 0 8 0 ppxss 1192 43 0 43 3 2 1 1 0 8 1 pppxif 1504 8 0 8 2 2 0 1 0 8 0 pffrag 232 26 0 17 1 0 1 1 0 482 0 pffrnode 88 26 0 17 1 0 1 1 0 8 0 pffrent 40 48 0 39 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 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 98 0 37 1 0 1 1 0 8 0 pfstkey 128 98 0 37 3 0 3 3 0 8 0 pfstate 448 98 0 37 8 0 8 8 0 8 0 pfrule 1360 22 0 16 2 1 1 2 0 8 0 rttmr 136 2 0 2 2 2 0 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 827 0 464 35 5 30 30 0 8 4 art_table 40 830 0 464 5 0 5 5 0 8 0 art_node 32 195 0 118 1 0 1 1 0 8 0 sysvmsgpl 40 18 0 11 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 130 0 120 1 0 1 1 0 8 0 shmpl 112 56 0 6 2 0 2 2 0 8 0 dirhash 1024 35 0 18 3 0 3 3 0 8 0 dino2pl 256 4189 0 2723 93 0 93 93 0 8 0 ffsino 296 4189 0 2723 114 0 114 114 0 8 0 nchpl 144 6157 0 4444 64 0 64 64 0 8 0 rtmask 32 10 0 10 4 3 1 1 0 8 1 vnodes 216 4758 0 0 265 0 265 265 0 8 0 namei 1024 23378 0 23378 5 4 1 2 0 8 1 percpumem 16 114 0 66 1 0 1 1 0 8 0 vcpupl 3968 9 0 1 1 0 1 1 0 8 0 vmpool 848 9 0 1 1 0 1 1 0 8 0 kstatmem 264 108 0 86 5 2 3 3 0 8 1 acpiwqpl 32 2 0 2 1 0 1 1 1 8 1 scsiplug 72 4 0 4 3 2 1 1 0 8 1 scxspl 216 42304 0 42304 14 13 1 8 1 8 1 plimitpl 152 626 0 607 1 0 1 1 0 8 0 sigapl 424 1767 0 1718 7 1 6 7 0 8 0 knotepl 120 543 0 0 16 0 16 16 0 8 0 kqueuepl 224 454 0 444 6 4 2 3 0 8 1 pipepl 344 321 0 293 9 2 7 9 0 8 4 fdescpl 528 1745 0 1714 3 0 3 3 0 8 0 filepl 160 12374 0 12155 18 3 15 17 0 8 2 lockfpl 104 610 0 607 1 0 1 1 0 8 0 lockfspl 48 197 0 194 1 0 1 1 0 8 0 sessionpl 144 35 0 26 1 0 1 1 0 8 0 pgrppl 48 112 0 95 1 0 1 1 0 8 0 ucredpl 104 1924 0 1908 1 0 1 1 0 8 0 zombiepl 144 2313 0 2310 1 0 1 1 0 8 0 processpl 1232 1767 0 1718 5 1 4 5 0 8 0 procpl 664 4120 0 4060 7 1 6 7 0 8 0 sosppl 176 11 0 11 4 4 0 1 0 8 0 sockpl 752 3381 0 3353 26 16 10 14 0 8 6 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 122 0 0 16 0 16 16 0 8 0 mcl2k 2048 29 0 0 4 0 4 4 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 1455 0 0 91 1 90 91 0 8 0 bufpl 280 18620 0 12490 439 0 439 439 0 8 1 anonpl 32 15644 0 0 127 0 127 127 0 246 0 amapchunkpl 152 51313 0 50457 55 18 37 37 0 158 4 amappl16 200 7078 0 7036 41 30 11 29 0 8 3 amappl14 184 493 0 492 1 0 1 1 0 8 0 amappl13 176 155 0 143 1 0 1 1 0 8 0 amappl12 168 2026 0 1995 2 0 2 2 0 8 0 amappl11 160 5 0 5 1 1 0 1 0 8 0 amappl10 152 68 0 54 1 0 1 1 0 8 0 amappl9 144 264 0 264 1 1 0 1 0 8 0 amappl8 136 172 0 169 1 0 1 1 0 8 0 amappl7 128 179 0 165 1 0 1 1 0 8 0 amappl6 120 222 0 221 1 0 1 1 0 8 0 amappl5 112 180 0 169 1 0 1 1 0 8 0 amappl4 104 348 0 328 1 0 1 1 0 8 0 amappl3 96 10425 0 10294 4 0 4 4 0 8 0 amappl2 88 733 0 672 2 0 2 2 0 8 0 amappl1 80 18838 0 18224 19 3 16 17 0 8 0 amappl 88 14296 0 14102 5 0 5 5 0 92 0 uvmvnodes 80 150 0 0 4 0 4 4 0 8 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma32768 32768 1 0 1 1 0 1 1 0 8 1 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma512 512 1 0 1 1 1 0 1 0 8 0 dma256 256 9 0 9 3 2 1 1 0 8 1 dma128 128 255 0 255 3 3 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 8 0 8 2 2 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 67 0 7 2 0 2 2 0 8 0 uaddrrnd 24 1745 0 1713 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1745 0 1713 1 0 1 1 0 8 0 vmmpekpl 168 17045 0 16987 4 1 3 3 0 8 0 vmmpepl 168 124084 0 122060 123 19 104 110 0 357 6 vmsppl 488 1744 0 1713 7 2 5 5 0 8 0 rwobjpl 80 37477 0 36274 34 2 32 33 0 8 0 pdppl 4096 3515 0 3436 138 55 83 85 0 8 4 pvpl 32 29190 0 0 236 1 235 235 0 265 0 pmappl 256 1753 0 1714 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 427 0 80 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83876ff0) 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 __mp_lock(ffffffff83966ac0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83966ac0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff83966ac0) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83966ac0) at __mp_lock+0x199 sys/kern/kern_lock.c:173 syscall(ffff80003c439c70) at syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff80003c439c70) at syscall+0xaf4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x761c078cf9a0, count: 5 ddb{0}> trace x86_ipi_db(ffffffff83876ff0) 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 __mp_lock(ffffffff83966ac0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83966ac0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff83966ac0) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83966ac0) at __mp_lock+0x199 sys/kern/kern_lock.c:173 syscall(ffff80003c439c70) at syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff80003c439c70) at syscall+0xaf4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x761c078cf9a0, count: -10 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834489d1) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8348a893,ffffffff83480276,4e2,ffffffff833e285e) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pageunwire(fffffd8008cc1f18) at uvm_pageunwire+0x17d sys/uvm/uvm_page.c:1249 uvm_fault_unwire_locked(fffffd806f59c008,f51f221c000,f51f221d000) at uvm_fault_unwire_locked+0x33a sys/uvm/uvm_fault.c:1790 uvm_unmap_kill_entry_withlock(fffffd806f59c008,fffffd806a3bccb0,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1866 uvm_map_teardown(fffffd806f59c008) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd806f59c008) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497 exit1(ffff80002a356d28,b,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff80002a356d28,ffff80002a3784a0,ffff80002a3783f0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a3784a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3784a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d428d7ce5f0, count: 4 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834489d1) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8348a893,ffffffff83480276,4e2,ffffffff833e285e) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pageunwire(fffffd8008cc1f18) at uvm_pageunwire+0x17d sys/uvm/uvm_page.c:1249 uvm_fault_unwire_locked(fffffd806f59c008,f51f221c000,f51f221d000) at uvm_fault_unwire_locked+0x33a sys/uvm/uvm_fault.c:1790 uvm_unmap_kill_entry_withlock(fffffd806f59c008,fffffd806a3bccb0,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1866 uvm_map_teardown(fffffd806f59c008) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd806f59c008) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497 exit1(ffff80002a356d28,b,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff80002a356d28,ffff80002a3784a0,ffff80002a3783f0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a3784a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3784a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d428d7ce5f0, count: -11