uvm_fault(0xfffffd800848ea10, 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(0xfffffd800848ea10, 0x28, 0, 1) -> e wsevent_fini(0) at wsevent_fini+0x12 sys/dev/wscons/wsevent.c:130 end trace frame: 0xffff80002126d490, count: 0 ddb{1}> trace wsevent_fini(0) at wsevent_fini+0x12 sys/dev/wscons/wsevent.c:130 wsmouseclose(4400,81,2000,ffff8000211c2008) at wsmouseclose+0x91 sys/dev/wscons/wsmouse.c:355 spec_close(ffff80002126d510) at spec_close+0x311 sys/kern/spec_vnops.c:560 VOP_CLOSE(fffffd806e678688,81,fffffd807f7b7b40,ffff8000211c2008) at VOP_CLOSE+0xeb sys/kern/vfs_vops.c:177 vn_closefile(fffffd806eb25e48,ffff8000211c2008) at vn_closefile+0xd7 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd806eb25e48,ffff8000211c2008) at vn_closefile+0xd7 sys/kern/vfs_vnops.c:614 fdrop(fffffd806eb25e48,ffff8000211c2008) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd806eb25e48,ffff8000211c2008) at closef+0x11c sys/kern/kern_descrip.c:1263 fdfree(ffff8000211c2008) at fdfree+0xf4 sys/kern/kern_descrip.c:1195 exit1(ffff8000211c2008,0,0,1) at exit1+0x340 sys/kern/kern_exit.c:197 sys_exit(ffff8000211c2008,ffff80002126d7a0,ffff80002126d7f0) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff80002126d870) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002126d870) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd3cc0, count: -12 ddb{1}> show registers rdi 0 rsi 0xffff8000211c200c rbp 0xffff80002126d440 rbx 0 rdx 0x8b rcx 0 rax 0x1 r8 0xffffffff81e5a2be witness_assert+0x1fe r9 0x5 r10 0x50c3f31ce569cd00 r11 0x2f780684fcac36fb r12 0x4000 __ALIGN_SIZE+0x3000 r13 0x2000 __ALIGN_SIZE+0x1000 r14 0 r15 0 rip 0xffffffff820a3782 wsevent_fini+0x12 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002126d420 ss 0x10 wsevent_fini+0x12: movq 0x28(%r14),%r15 ddb{1}> show proc PROC (syz-executor0371) pid=500180 stat=onproc flags process=8 proc=2000 pri=0, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff6a50,0xffffffff828ea588 process=0xffff8000212354b0 user=0xffff800021268000, vmspace=0xfffffd800848ea10 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 16899 517590 12473 0 3 0x80 nanosleep syz-executor0371 34123 340221 12473 0 3 0x80 nanosleep syz-executor0371 12473 45085 97766 0 3 0x82 nanosleep syz-executor0371 97766 145901 46949 0 3 0x10008a pause ksh 46949 424433 20250 0 3 0x92 select sshd 67443 31530 1 0 3 0x100083 ttyin getty 20250 130389 1 0 3 0x80 select sshd 94938 246857 56078 74 3 0x100092 bpf pflogd 56078 428767 1 0 3 0x80 netio pflogd 6573 209361 15465 73 3 0x100090 kqread syslogd 15465 200168 1 0 3 0x100082 netio syslogd 93692 422475 1 77 3 0x100090 poll dhclient 97424 443748 1 0 3 0x80 poll dhclient 29576 292105 0 0 3 0x14200 bored smr 13589 162249 0 0 3 0x14200 pgzero zerothread 75563 234572 0 0 3 0x14200 aiodoned aiodoned 59858 369105 0 0 3 0x14200 syncer update 99626 66242 0 0 3 0x14200 cleaner cleaner 45536 319786 0 0 3 0x14200 reaper reaper 74126 402768 0 0 3 0x14200 pgdaemon pagedaemon 35159 72372 0 0 3 0x14200 bored crynlk 73122 121579 0 0 3 0x14200 bored crypto 85253 11926 0 0 3 0x14200 bored viomb 4407 462083 0 0 3 0x40014200 acpi0 acpi0 61668 10261 0 0 3 0x40014200 idle1 50376 42577 0 0 3 0x14200 bored softnet 92225 523081 0 0 3 0x14200 bored systqmp 63796 338259 0 0 3 0x14200 bored systq 53062 169768 0 0 3 0x40014200 bored softclock 28312 42800 0 0 7 0x40014200 idle0 1 146310 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 9480 6413K 6431K 78643K 10669 0 pcb 13 8K 8K 78643K 13 0 rtable 61 2K 2K 78643K 127 0 ifaddr 29 8K 8K 78643K 30 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1467 0 mount 1 1K 1K 78643K 1 0 vnodes 1185 75K 75K 78643K 1224 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1825 197K 290K 78643K 13109 0 file desc 1 0K 0K 78643K 1 0 proc 59 63K 71K 78643K 367 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 11 0K 0K 78643K 11 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 19 95K 95K 78643K 19 0 exec 0 0K 2K 78643K 302 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 41 2K 2K 78643K 633 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 4 0K 0K 78643K 4 0 temp 23 3957K 4021K 78643K 1791 0 kqueue 2 2K 2K 78643K 2 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 2 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 120 15 0 13 1 0 1 1 0 8 0 rtentry 112 23 0 1 1 0 1 1 0 8 0 unpcb 120 29 0 19 1 0 1 1 0 8 0 syncache 296 5 0 5 2 1 1 1 0 8 1 tcpcb 736 8 0 5 1 0 1 1 0 8 0 inpcb 296 29 0 23 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 9 0 2 1 0 1 1 0 8 0 pfstkey 112 9 0 2 1 0 1 1 0 8 0 pfstate 328 9 0 2 1 0 1 1 0 8 0 pfrule 1360 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 96 0 0 6 0 6 6 0 8 0 art_table 32 97 0 0 1 0 1 1 0 8 0 art_node 16 22 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1436 0 50 87 0 87 87 0 8 0 ffsino 272 1436 0 50 93 0 93 93 0 8 0 nchpl 144 1646 0 103 59 1 58 58 0 8 0 uvmvnodes 72 1482 0 0 27 0 27 27 0 8 0 vnodes 208 1482 0 0 78 0 78 78 0 8 0 namei 1024 4034 0 4034 2 1 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scxspl 216 3771 0 3771 10 9 1 8 0 8 1 plimitpl 152 14 0 8 1 0 1 1 0 8 0 sigapl 424 259 0 227 4 0 4 4 0 8 0 knotepl 112 5 0 0 1 0 1 1 0 8 0 kqueuepl 152 1 0 0 1 0 1 1 0 8 0 pipepl 304 64 0 60 2 1 1 1 0 8 0 fdescpl 496 243 0 227 3 0 3 3 0 8 0 filepl 152 1099 0 1050 3 0 3 3 0 8 1 lockfpl 104 75 0 74 1 0 1 1 0 8 0 lockfspl 48 38 0 37 1 0 1 1 0 8 0 sessionpl 144 18 0 9 1 0 1 1 0 8 0 pgrppl 48 18 0 9 1 0 1 1 0 8 0 ucredpl 96 62 0 53 1 0 1 1 0 8 0 zombiepl 144 228 0 226 2 1 1 1 0 8 0 processpl 1056 259 0 226 3 0 3 3 0 8 0 procpl 656 259 0 226 3 0 3 3 0 8 0 sockpl 400 73 0 55 2 0 2 2 0 8 0 mcl4k 4096 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 81 0 0 10 0 10 10 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 100 0 0 6 0 6 6 0 8 0 bufpl 280 2014 0 112 136 0 136 136 0 8 0 anonpl 16 20020 0 18751 8 2 6 7 0 124 0 amapchunkpl 152 549 0 509 2 0 2 2 0 158 0 amappl16 192 119 0 108 1 0 1 1 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 22 0 19 1 0 1 1 0 8 0 amappl13 168 14 0 13 2 1 1 1 0 8 0 amappl12 160 7 0 7 1 1 0 1 0 8 0 amappl11 152 54 0 39 1 0 1 1 0 8 0 amappl10 144 9 0 7 1 0 1 1 0 8 0 amappl9 136 220 0 220 2 1 1 1 0 8 1 amappl8 128 58 0 57 1 0 1 1 0 8 0 amappl7 120 209 0 208 1 0 1 1 0 8 0 amappl6 112 57 0 50 1 0 1 1 0 8 0 amappl5 104 356 0 336 1 0 1 1 0 8 0 amappl4 96 279 0 254 1 0 1 1 0 8 0 amappl3 88 139 0 131 1 0 1 1 0 8 0 amappl2 80 873 0 818 3 1 2 2 0 8 0 amappl1 72 14350 0 13911 15 6 9 15 0 8 0 amappl 80 440 0 417 1 0 1 1 0 84 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 64 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 243 0 227 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 243 0 227 1 0 1 1 0 8 0 vmmpekpl 168 5656 0 5639 1 0 1 1 0 8 0 vmmpepl 168 30905 0 29986 55 13 42 48 0 357 0 vmsppl 368 242 0 227 2 0 2 2 0 8 0 pdppl 4096 493 0 454 59 18 41 41 0 8 2 pvpl 32 82242 0 79109 33 4 29 29 0 265 2 pmappl 232 242 0 227 1 0 1 1 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 278 0 22 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff826b7ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff828ea210) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828ea210) at __mp_lock+0x133 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x1f acpicpu_idle() at acpicpu_idle+0x2eb sys/dev/acpi/acpicpu.c:1206 sched_idle(ffffffff826b7ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at wsevent_fini+0x12: movq 0x28(%r14),%r15 ddb{1}> trace wsevent_fini(0) at wsevent_fini+0x12 sys/dev/wscons/wsevent.c:130 wsmouseclose(4400,81,2000,ffff8000211c2008) at wsmouseclose+0x91 sys/dev/wscons/wsmouse.c:355 spec_close(ffff80002126d510) at spec_close+0x311 sys/kern/spec_vnops.c:560 VOP_CLOSE(fffffd806e678688,81,fffffd807f7b7b40,ffff8000211c2008) at VOP_CLOSE+0xeb sys/kern/vfs_vops.c:177 vn_closefile(fffffd806eb25e48,ffff8000211c2008) at vn_closefile+0xd7 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd806eb25e48,ffff8000211c2008) at vn_closefile+0xd7 sys/kern/vfs_vnops.c:614 fdrop(fffffd806eb25e48,ffff8000211c2008) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd806eb25e48,ffff8000211c2008) at closef+0x11c sys/kern/kern_descrip.c:1263 fdfree(ffff8000211c2008) at fdfree+0xf4 sys/kern/kern_descrip.c:1195 exit1(ffff8000211c2008,0,0,1) at exit1+0x340 sys/kern/kern_exit.c:197 sys_exit(ffff8000211c2008,ffff80002126d7a0,ffff80002126d7f0) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff80002126d870) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002126d870) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd3cc0, count: -12 ddb{1}>