uvm_fault(0xfffffd807f0002e0, 0x28, 0, 1) -> e kernel: page fault trap, code=0 Stopped at wsevent_fini+0x12: movq 0x28(%r14),%r15 ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xfffffd807f0002e0, 0x28, 0, 1) -> e wsevent_fini(0) at wsevent_fini+0x12 sys/dev/wscons/wsevent.c:130 end trace frame: 0xffff800021fbd0a0, count: 0 ddb{1}> trace wsevent_fini(0) at wsevent_fini+0x12 sys/dev/wscons/wsevent.c:130 wsmouseclose(4400,1,2000,ffff800020ac6768) at wsmouseclose+0x92 sys/dev/wscons/wsmouse.c:360 spec_close(ffff800021fbd120) at spec_close+0x311 sys/kern/spec_vnops.c:555 VOP_CLOSE(fffffd806e2f35b8,1,fffffd807f7bf7e0,ffff800020ac6768) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 vn_closefile(fffffd80682c4ed8,ffff800020ac6768) at vn_closefile+0xd7 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd80682c4ed8,ffff800020ac6768) at vn_closefile+0xd7 sys/kern/vfs_vnops.c:614 fdrop(fffffd80682c4ed8,ffff800020ac6768) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd80682c4ed8,ffff800020ac6768) at closef+0x11c sys/kern/kern_descrip.c:1260 fdfree(ffff800020ac6768) at fdfree+0x101 sys/kern/kern_descrip.c:1192 exit1(ffff800020ac6768,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff800020ac6768,ffff800021fbd3b0,ffff800021fbd400) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800021fbd480) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021fbd480) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffef7b0, count: -12 ddb{1}> show registers rdi 0 rsi 0xffff800020ac676c rbp 0xffff800021fbd050 rbx 0 rdx 0xffff800020ac6768 rcx 0 rax 0 r8 0xffffffff8131bee7 witness_assert+0x207 r9 0x5 r10 0x14 r11 0x11db9c8b4ff54699 r12 0x4000 __ALIGN_SIZE+0x3000 r13 0x2000 __ALIGN_SIZE+0x1000 r14 0 r15 0 rip 0xffffffff81db55e2 wsevent_fini+0x12 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021fbd030 ss 0x10 wsevent_fini+0x12: movq 0x28(%r14),%r15 ddb{1}> show proc PROC (syz-executor.0) pid=493303 stat=onproc flags process=1008 proc=2000 pri=0, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ac64f8,0xffffffff82636ea8 process=0xffff800020a92f88 user=0xffff800021fb8000, vmspace=0xfffffd807f0002e0 estcpu=36, cpticks=6, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 5955 178768 0 0 3 0x14200 bored sosplice 31499 35471 68434 0 3 0x82 nanosleep syz-executor.1 99234 117402 68434 0 3 0x82 nanosleep syz-executor.0 68434 85168 68226 0 3 0x82 thrsleep syz-fuzzer 68434 219749 68226 0 3 0x4000082 thrsleep syz-fuzzer 68434 411115 68226 0 3 0x4000082 thrsleep syz-fuzzer 68434 203200 68226 0 3 0x4000082 thrsleep syz-fuzzer 68434 267283 68226 0 3 0x4000082 thrsleep syz-fuzzer 68434 435396 68226 0 3 0x4000082 kqread syz-fuzzer 68434 207052 68226 0 3 0x4000082 thrsleep syz-fuzzer 68434 380881 68226 0 3 0x4000082 thrsleep syz-fuzzer 68434 328935 68226 0 3 0x4000082 thrsleep syz-fuzzer 68434 43767 68226 0 3 0x4000082 thrsleep syz-fuzzer 68226 518479 33926 0 3 0x10008a pause ksh 33926 366988 22993 0 3 0x92 select sshd 14007 239585 1 0 3 0x100083 ttyin getty 22993 389248 1 0 3 0x80 select sshd 51705 519979 29548 74 3 0x100092 bpf pflogd 29548 218915 1 0 3 0x80 netio pflogd 62998 304312 53723 73 3 0x100090 kqread syslogd 53723 338151 1 0 3 0x100082 netio syslogd 18925 452317 1 77 3 0x100090 poll dhclient 71600 403730 1 0 3 0x80 poll dhclient 50767 168233 0 0 3 0x14200 bored smr 365 507839 0 0 3 0x14200 pgzero zerothread 33350 338188 0 0 3 0x14200 aiodoned aiodoned 8178 357431 0 0 3 0x14200 syncer update 88228 496516 0 0 3 0x14200 cleaner cleaner 30761 320300 0 0 3 0x14200 reaper reaper 33048 319619 0 0 3 0x14200 pgdaemon pagedaemon 61837 505975 0 0 3 0x14200 bored crynlk 30008 219093 0 0 3 0x14200 bored crypto 79149 478220 0 0 3 0x40014200 acpi0 acpi0 1385 180970 0 0 3 0x40014200 idle1 93854 101158 0 0 3 0x14200 bored softnet 25316 499890 0 0 3 0x14200 bored systqmp 73447 315040 0 0 3 0x14200 bored systq 34899 262912 0 0 3 0x40014200 bored softclock 14415 122704 0 0 7 0x40014200 idle0 1 31723 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9483 6401K 6670K 78643K 10991 0 pcb 13 8K 8K 78643K 73 0 rtable 104 3K 4K 78643K 288 0 ifaddr 53 12K 13K 78643K 100 0 counters 43 33K 34K 78643K 61 0 ioctlops 0 0K 4K 78643K 1481 0 iov 0 0K 24K 78643K 72 0 mount 1 1K 1K 78643K 1 0 vnodes 1222 77K 77K 78643K 1331 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 4 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 13 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 5 13K 25K 78643K 206 0 proc 62 63K 95K 78643K 441 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 32 0 in_multi 46 2K 3K 78643K 85 0 ether_multi 1 0K 0K 78643K 9 0 mrt 0 0K 0K 78643K 4 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 49 228K 228K 78643K 49 0 exec 0 0K 1K 78643K 218 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 106 54K 54K 78643K 1613 0 UVM aobj 8 3K 4K 78643K 13 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 58 0 NDP 7 0K 0K 78643K 21 0 temp 86 3043K 3107K 78643K 3433 0 kqueue 3 4K 10K 78643K 31 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 arp 64 8 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 88 0 86 1 0 1 1 0 8 0 rtentry 112 56 0 14 2 0 2 2 0 8 0 unpcb 120 108 0 96 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 24 0 24 1 1 0 1 0 8 0 tcpcb 544 108 0 104 1 0 1 1 0 8 0 inpcb 280 297 0 290 2 0 2 2 0 8 1 nd6 48 7 0 3 1 0 1 1 0 8 0 ppxss 1128 4 0 4 1 0 1 1 0 8 1 pffrag 232 2 0 2 1 0 1 1 0 482 1 pffrnode 88 2 0 2 1 0 1 1 0 8 1 pffrent 40 4 0 4 1 0 1 1 0 8 1 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 25 0 3 1 0 1 1 0 8 0 pfstkey 112 25 0 3 1 0 1 1 0 8 0 pfstate 328 25 0 3 2 0 2 2 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 232 0 49 13 0 13 13 0 8 0 art_table 32 234 0 49 2 0 2 2 0 8 0 art_node 16 55 0 16 1 0 1 1 0 8 0 sysvmsgpl 40 26 0 14 1 0 1 1 0 8 0 semapl 112 11 0 1 1 0 1 1 0 8 0 shmpl 112 11 0 5 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1681 0 275 46 0 46 46 0 8 0 ffsino 272 1681 0 275 94 0 94 94 0 8 0 nchpl 144 2185 0 567 61 0 61 61 0 8 0 uvmvnodes 72 1796 0 0 33 0 33 33 0 8 0 vnodes 208 1796 0 0 95 0 95 95 0 8 0 namei 1024 5810 0 5810 1 0 1 1 0 8 1 percpumem 16 41 0 9 1 0 1 1 0 8 0 vcpupl 1984 3 0 0 1 0 1 1 0 8 0 vmpool 560 5 0 2 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 6541 0 6541 5 4 1 4 0 8 1 plimitpl 152 21 0 13 1 0 1 1 0 8 0 sigapl 424 422 0 390 4 0 4 4 0 8 0 futexpl 56 3147 0 3147 1 0 1 1 0 8 1 knotepl 112 90 0 71 1 0 1 1 0 8 0 kqueuepl 144 130 0 128 1 0 1 1 0 8 0 pipelkpl 48 97 0 87 1 0 1 1 0 8 0 pipepl 120 194 0 175 1 0 1 1 0 8 0 fdescpl 496 406 0 390 3 0 3 3 0 8 0 filepl 152 2558 0 2445 6 1 5 5 0 8 0 lockfpl 104 42 0 41 1 0 1 1 0 8 0 lockfspl 48 16 0 15 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 178 0 169 1 0 1 1 0 8 0 zombiepl 144 391 0 389 1 0 1 1 0 8 0 processpl 984 422 0 389 6 1 5 5 0 8 0 procpl 624 842 0 800 4 0 4 4 0 8 0 sosppl 128 3 0 3 1 1 0 1 0 8 0 sockpl 400 493 0 472 3 0 3 3 0 8 0 mcl64k 65536 7 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 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 161 0 0 20 0 20 20 0 8 0 mtagpl 80 15 0 0 1 0 1 1 0 8 0 mbufpl 256 174 0 0 11 0 11 11 0 8 0 bufpl 280 4392 0 173 302 0 302 302 0 8 0 anonpl 16 50146 0 36737 65 6 59 64 0 124 3 amapchunkpl 152 3386 0 3243 20 3 17 20 0 158 10 amappl16 192 1620 0 882 38 0 38 38 0 8 0 amappl15 184 2 0 0 1 0 1 1 0 8 0 amappl14 176 9 0 7 2 1 1 1 0 8 0 amappl13 168 35 0 33 1 0 1 1 0 8 0 amappl12 160 9 0 8 2 1 1 1 0 8 0 amappl11 152 158 0 138 1 0 1 1 0 8 0 amappl10 144 118 0 109 1 0 1 1 0 8 0 amappl9 136 389 0 386 1 0 1 1 0 8 0 amappl8 128 301 0 288 1 0 1 1 0 8 0 amappl7 120 208 0 196 1 0 1 1 0 8 0 amappl6 112 107 0 103 1 0 1 1 0 8 0 amappl5 104 306 0 290 1 0 1 1 0 8 0 amappl4 96 510 0 478 2 1 1 2 0 8 0 amappl3 88 112 0 106 1 0 1 1 0 8 0 amappl2 80 2325 0 2256 3 1 2 3 0 8 0 amappl1 72 19065 0 18616 25 14 11 20 0 8 0 amappl 80 1102 0 1055 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 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 64 12 0 5 1 0 1 1 0 8 0 uaddrrnd 24 411 0 392 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 411 0 392 1 0 1 1 0 8 0 vmmpekpl 168 7066 0 7036 2 0 2 2 0 8 0 vmmpepl 168 56371 0 54481 99 11 88 94 0 357 1 vmsppl 368 410 0 392 2 0 2 2 0 8 0 pdppl 4096 830 0 787 6 0 6 6 0 8 0 pvpl 32 171430 0 154977 159 6 153 158 0 265 18 pmappl 232 410 0 392 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 168 0 3 5 0 5 5 0 8 0