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 294260 83416 0 0 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834b8bb1) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff834f567b,ffffffff834e90a9,4e2,ffffffff8344b3e3) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pageunwire(fffffd80094f4600) at uvm_pageunwire+0x17d sys/uvm/uvm_page.c:1249 uvm_fault_unwire_locked(fffffd806c5f2b88,4f0ea7a1000,4f0eaba0000) at uvm_fault_unwire_locked+0x33a sys/uvm/uvm_fault.c:1790 uvm_unmap_kill_entry_withlock(fffffd806c5f2b88,fffffd806c2b9ee0,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1866 uvm_map_teardown(fffffd806c5f2b88) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd806c5f2b88) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497 exit1(ffff80002a2234d0,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff80002a2234d0,ffff8000367a38f0,ffff8000367a3840) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000367a38f0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000367a38f0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f08f1e034d0, 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(ffffffff834b8bb1) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff834f567b,ffffffff834e90a9,4e2,ffffffff8344b3e3) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pageunwire(fffffd80094f4600) at uvm_pageunwire+0x17d sys/uvm/uvm_page.c:1249 uvm_fault_unwire_locked(fffffd806c5f2b88,4f0ea7a1000,4f0eaba0000) at uvm_fault_unwire_locked+0x33a sys/uvm/uvm_fault.c:1790 uvm_unmap_kill_entry_withlock(fffffd806c5f2b88,fffffd806c2b9ee0,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1866 uvm_map_teardown(fffffd806c5f2b88) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd806c5f2b88) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497 exit1(ffff80002a2234d0,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff80002a2234d0,ffff8000367a38f0,ffff8000367a3840) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000367a38f0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000367a38f0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f08f1e034d0, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000367a3510 rbx 0xffff80002999ee07 rdx 0 rcx 0xffff80002a2234d0 rax 0xffff80002999dff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x84d05361403a37 r11 0xcd3733430aa19e81 r12 0xffff80002999ec08 r13 0 r14 0 r15 0x1 rip 0xffffffff8340d295 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000367a3500 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=196311 pid=62197 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a2234d0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a222540,0xffff8000ffffc548 process=0xffff80002a37d828 user=0xffff80003679e000, vmspace=0xfffffd806c5f2b88 estcpu=36, cpticks=8, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 83416 309936 7429 0 2 0 syz-executor 83416 294260 7429 0 7 0x4000000 syz-executor 51704 5853 56693 0 2 0x10 syz-executor 51704 465746 56693 0 3 0x4000090 fifow syz-executor 94385 323911 29623 0 2 0 syz-executor 94385 249815 29623 0 3 0x4000080 fsleep syz-executor 32259 67918 10460 0 2 0xc80 syz-executor 32259 363226 10460 0 3 0x4000080 kqread syz-executor 32259 459278 10460 0 3 0x4000080 fsleep syz-executor 9710 54306 0 0 3 0x14280 nfsidl nfsio 13954 509200 0 0 3 0x14280 nfsidl nfsio 53163 272640 0 0 3 0x14280 nfsidl nfsio 28027 329538 0 0 3 0x14280 nfsidl nfsio 52753 244658 0 0 3 0x14280 nfsidl nfsio 76729 321587 0 0 3 0x14280 nfsidl nfsio 66930 262933 0 0 3 0x14280 nfsidl nfsio 52033 346133 0 0 3 0x14280 nfsidl nfsio 7459 342128 0 0 3 0x14280 nfsidl nfsio 77322 498074 0 0 3 0x14280 nfsidl nfsio 20220 436916 0 0 3 0x14280 nfsidl nfsio 60542 38772 0 0 3 0x14280 nfsidl nfsio 23247 153986 0 0 3 0x14280 nfsidl nfsio 53413 443927 0 0 3 0x14280 nfsidl nfsio 87134 501381 0 0 3 0x14280 nfsidl nfsio 22498 252357 0 0 3 0x14280 nfsidl nfsio 61680 81285 0 0 3 0x14280 nfsidl nfsio 70269 416127 0 0 3 0x14280 nfsidl nfsio 3822 480704 0 0 3 0x14280 nfsidl nfsio 13068 106525 0 0 3 0x14280 nfsidl nfsio 65238 488674 3744 0 3 0x3000 suspend syz-executor 65238 85532 3744 0 2 0x4081000 syz-executor 65238 380613 3744 0 3 0x4081000 inode syz-executor 65238 29627 3744 0 3 0x4081000 inode syz-executor 45068 470056 0 0 3 0x14200 acct acct 16517 267354 1 0 3 0x80 nanoslp init 10460 83713 8716 0 2 0xc82 syz-executor 7429 470350 8716 0 2 0xc82 syz-executor 29623 136401 8716 0 2 0xc82 syz-executor 66864 32893 8716 0 3 0x82 wait syz-executor 3744 346844 8716 0 3 0x82 wait syz-executor 53819 81725 8716 0 2 0xc82 syz-executor 9451 235423 8716 0 2 0xc82 syz-executor 56693 480303 8716 0 2 0xc82 syz-executor 8716 361413 1 0 3 0x82 kqread syz-executor 99613 290545 0 0 3 0x14200 bored smr 42520 349444 0 0 2 0x14200 zerothread 86056 359760 0 0 3 0x14200 aiodoned aiodoned 38884 142237 0 0 3 0x14200 syncer update 48432 55331 0 0 3 0x14200 cleaner cleaner 40414 502302 0 0 3 0x14200 reaper reaper 18016 499196 0 0 3 0x14200 pgdaemon pagedaemon 25271 213546 0 0 3 0x14200 bored viomb 20731 119113 0 0 3 0x40014200 acpi0 acpi0 60760 295233 0 0 3 0x40014200 idle1 71940 409593 0 0 3 0x14200 bored softnet1 74970 132556 0 0 3 0x14200 bored softnet0 89710 245326 0 0 3 0x14200 bored systqmp 90351 125762 0 0 3 0x14200 bored systq 71078 181139 0 0 3 0x14200 tmoslp softclockmp 8013 259109 0 0 3 0x40014200 tmoslp softclock 67834 398354 0 0 3 0x40014200 idle0 1 489264 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 65238 (syz-executor) thread 0xffff80003c3f7780 (85532) exclusive rrwlock inode r = 0 (0xfffffd806c01ba08) #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:576 #5 vn_write+0x18f sys/kern/vfs_vnops.c:411 #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 65238 (syz-executor) thread 0xffff80003c3f6028 (380613) exclusive rrwlock inode r = 0 (0xfffffd806c01b690) #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:576 #5 vfs_lookup+0x12b sys/kern/vfs_lookup.c:431 #6 namei+0x7c5 sys/kern/vfs_lookup.c:250 #7 domknodat+0xb4 sys/kern/vfs_syscalls.c:1617 #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{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11056 12045K 13015K 166960K 12449 0 pcb 17 13K 14K 166960K 93 0 rtable 249 7K 7K 166960K 381 0 pf 36 18K 22K 166960K 57 0 ifaddr 43 7K 7K 166960K 46 0 ifgroup 58 2K 2K 166960K 66 0 sysctl 3 1K 9K 166960K 10 0 counters 70 37K 37K 166960K 72 0 ioctlops 0 0K 4K 166960K 1505 0 iov 0 0K 24K 166960K 9 0 mount 1 1K 1K 166960K 1 0 log 1 0K 0K 166960K 5 0 vnodes 1326 83K 83K 166960K 1518 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 8 0K 0K 166960K 12 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 61K 97K 166960K 294 0 sigio 0 0K 0K 166960K 2 0 proc 12 17K 180K 166960K 577 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 23 0 in_multi 99 7K 7K 166960K 104 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 10 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 67 307K 307K 166960K 67 0 exec 0 0K 1K 166960K 405 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 144 80K 181K 166960K 4523 0 UVM aobj 7 2K 2K 166960K 7 0 pinsyscall 18 36K 108K 166960K 1455 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 7 0 NDP 12 0K 2K 166960K 29 0 temp 42 9111K 9210K 166960K 15274 0 kqueue 3 6K 24K 166960K 60 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 49 0 47 1 0 1 1 0 8 0 rtentry 176 116 0 3 6 0 6 6 0 8 0 unpcb 144 192 0 123 3 0 3 3 0 8 0 syncache 336 5 0 5 1 0 1 1 0 8 1 tcpcb 736 57 0 55 2 0 2 2 0 8 1 arp 136 18 0 0 1 0 1 1 0 8 0 inpcb 328 236 0 231 3 0 3 3 0 8 2 nd6 152 26 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 2 0 0 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 pfstitem 24 32 0 0 1 0 1 1 0 8 0 pfstkey 128 32 0 0 2 0 2 2 0 8 0 pfstate 448 31 0 0 4 0 4 4 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 493 0 31 29 0 29 29 0 8 0 art_table 40 495 0 31 5 0 5 5 0 8 0 art_node 32 115 0 12 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 1 0 1 1 0 8 1 semapl 72 9 0 3 1 0 1 1 0 8 0 shmpl 112 4 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1877 0 401 93 0 93 93 0 8 0 ffsino 296 1877 0 401 114 0 114 114 0 8 0 nchpl 144 2290 0 582 64 0 64 64 0 8 0 vnodes 216 2063 0 0 115 0 115 115 0 8 0 namei 1024 7081 0 7079 2 0 2 2 0 8 1 percpumem 16 51 0 1 1 0 1 1 0 8 0 kstatmem 264 29 0 2 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 11690 0 11690 5 3 2 3 1 8 2 plimitpl 152 48 0 37 1 0 1 1 0 8 0 sigapl 424 634 0 577 7 0 7 7 0 8 0 knotepl 120 466 0 0 15 0 15 15 0 8 0 kqueuepl 224 73 0 70 1 0 1 1 0 8 0 pipepl 344 146 0 119 4 0 4 4 0 8 1 fdescpl 528 597 0 578 3 0 3 3 0 8 0 filepl 160 2541 0 2308 12 0 12 12 0 8 1 lockfpl 104 62 0 62 1 0 1 1 0 8 1 lockfspl 48 28 0 28 1 0 1 1 0 8 1 sessionpl 144 26 0 24 1 0 1 1 0 8 0 pgrppl 48 34 0 24 1 0 1 1 0 8 0 ucredpl 104 235 0 230 1 0 1 1 0 8 0 zombiepl 144 580 0 577 1 0 1 1 0 8 0 processpl 1232 634 0 577 5 0 5 5 0 8 0 procpl 664 917 0 852 7 0 7 7 0 8 1 sockpl 752 484 0 408 9 0 9 9 0 8 0 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 120 0 0 15 0 15 15 0 8 0 mcl2k 2048 25 0 0 4 0 4 4 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 171 0 0 11 0 11 11 0 8 0 bufpl 280 8084 0 706 528 0 528 528 0 8 0 anonpl 32 10309 0 0 84 0 84 84 0 246 0 amapchunkpl 152 14117 0 13436 30 0 30 30 0 158 3 amappl16 200 1979 0 1712 17 2 15 15 0 8 0 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 428 0 428 1 0 1 1 0 8 1 amappl13 176 127 0 126 1 0 1 1 0 8 0 amappl12 168 847 0 829 2 0 2 2 0 8 0 amappl11 160 29 0 29 1 1 0 1 0 8 0 amappl10 152 70 0 70 1 0 1 1 0 8 1 amappl9 144 274 0 274 1 1 0 1 0 8 0 amappl8 136 102 0 102 1 0 1 1 0 8 1 amappl7 128 157 0 155 1 0 1 1 0 8 0 amappl6 120 156 0 155 1 0 1 1 0 8 0 amappl5 112 97 0 97 1 0 1 1 0 8 1 amappl4 104 293 0 292 1 0 1 1 0 8 0 amappl3 96 2528 0 2437 4 0 4 4 0 8 0 amappl2 88 554 0 543 2 0 2 2 0 8 0 amappl1 80 11074 0 10976 15 1 14 15 0 8 8 amappl 88 3708 0 3575 5 0 5 5 0 92 0 uvmvnodes 80 106 0 0 3 0 3 3 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 0 1 1 0 8 1 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 128 254 0 254 2 1 1 1 0 8 1 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 6 0 0 1 0 1 1 0 8 0 uaddrrnd 24 597 0 577 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 597 0 577 1 0 1 1 0 8 0 vmmpekpl 168 6839 0 6808 2 0 2 2 0 8 0 vmmpepl 168 47032 0 45916 88 0 88 88 0 357 39 vmsppl 488 596 0 577 5 0 5 5 0 8 1 rwobjpl 80 16314 0 15658 24 0 24 24 0 8 2 pdppl 4096 1201 0 1154 99 52 47 87 0 8 0 pvpl 32 27896 0 0 225 0 225 225 0 265 0 pmappl 256 596 0 577 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 278 0 55 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83913ff0) 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(ffffffff839e5780) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839e5780) at __mp_lock+0x199 sys/kern/kern_lock.c:173 end trace frame: 0x0, count: 11 ddb{0}> trace x86_ipi_db(ffffffff83913ff0) 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(ffffffff839e5780) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839e5780) at __mp_lock+0x199 sys/kern/kern_lock.c:173 end trace frame: 0x0, count: -4 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(ffffffff834b8bb1) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff834f567b,ffffffff834e90a9,4e2,ffffffff8344b3e3) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pageunwire(fffffd80094f4600) at uvm_pageunwire+0x17d sys/uvm/uvm_page.c:1249 uvm_fault_unwire_locked(fffffd806c5f2b88,4f0ea7a1000,4f0eaba0000) at uvm_fault_unwire_locked+0x33a sys/uvm/uvm_fault.c:1790 uvm_unmap_kill_entry_withlock(fffffd806c5f2b88,fffffd806c2b9ee0,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1866 uvm_map_teardown(fffffd806c5f2b88) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd806c5f2b88) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497 exit1(ffff80002a2234d0,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff80002a2234d0,ffff8000367a38f0,ffff8000367a3840) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000367a38f0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000367a38f0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f08f1e034d0, count: 4 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834b8bb1) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff834f567b,ffffffff834e90a9,4e2,ffffffff8344b3e3) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pageunwire(fffffd80094f4600) at uvm_pageunwire+0x17d sys/uvm/uvm_page.c:1249 uvm_fault_unwire_locked(fffffd806c5f2b88,4f0ea7a1000,4f0eaba0000) at uvm_fault_unwire_locked+0x33a sys/uvm/uvm_fault.c:1790 uvm_unmap_kill_entry_withlock(fffffd806c5f2b88,fffffd806c2b9ee0,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1866 uvm_map_teardown(fffffd806c5f2b88) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd806c5f2b88) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497 exit1(ffff80002a2234d0,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff80002a2234d0,ffff8000367a38f0,ffff8000367a3840) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000367a38f0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000367a38f0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f08f1e034d0, count: -11 ddb{1}>