uvm_fault(0xfffffd807f00b708, 0x7, 0, 2) -> e kernel: page fault trap, code=0 Stopped at pckbc_enqueue_cmd+0x3ab: movq %rcx,0(%rax) ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xfffffd807f00b708, 0x7, 0, 2) -> e pckbc_enqueue_cmd(ffff800000026e00,1,ffff800020c44ede,2,0,1) at pckbc_enqueue_cmd+0x3ab sys/dev/ic/pckbc.c:935 end trace frame: 0xffff800020c44f30, count: 0 ddb{0}> trace pckbc_enqueue_cmd(ffff800000026e00,1,ffff800020c44ede,2,0,1) at pckbc_enqueue_cmd+0x3ab sys/dev/ic/pckbc.c:935 pms_ioctl_mouse(ffff80000066c200,80045721,ffff800020c45280,42,ffff800020b60270) at pms_ioctl_mouse+0x137 wsmouse_do_ioctl(ffff80000064dc00,80045721,ffff800020c45280,42,ffff800020b60270) at wsmouse_do_ioctl+0x2e3 sys/dev/wscons/wsmouse.c:527 wsmousedoioctl(ffff80000064dc00,80045721,ffff800020c45280,42,ffff800020b60270) at wsmousedoioctl+0x51 sys/dev/wscons/wsmouse.c:429 wsmux_do_ioctl(ffff800000026d00,80045721,ffff800020c45280,42,ffff800020b60270) at wsmux_do_ioctl+0x5b3 sys/dev/wscons/wsmux.c:546 VOP_IOCTL(fffffd8068778888,80045721,ffff800020c45280,42,fffffd807f7c6540,ffff800020b60270) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd8068f4a570,80045721,ffff800020c45280,ffff800020b60270) at vn_ioctl+0xb6 sys/kern/vfs_vnops.c:512 sys_ioctl(ffff800020b60270,ffff800020c453a8,ffff800020c45410) at sys_ioctl+0x5b8 syscall(ffff800020c45480) at syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(ffff800020c45480) at syscall+0x552 sys/arch/amd64/amd64/trap.c:574 Xsyscall(6,0,ffffffffffffff39,0,3,8b18160d010) at Xsyscall+0x128 end of kernel end trace frame: 0x8b45b782ea0, count: -10 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff800020c44ec0 rbx 0xffff80000066c410 rdx 0 rcx 0xffffffffffffffff rax 0x7 r8 0 r9 0 r10 0xffff800020acef00 r11 0x6a2c78bc88bb6266 r12 0xffff800000026e00 r13 0x1 r14 0xffff80000066c400 r15 0xffff80000066c498 rip 0xffffffff811ba06b pckbc_enqueue_cmd+0x3ab cs 0x8 rflags 0x10286 __ALIGN_SIZE+0xf286 rsp 0xffff800020c44e40 ss 0x10 pckbc_enqueue_cmd+0x3ab: movq %rcx,0(%rax) ddb{0}> show proc PROC (syz-executor.0) pid=154461 stat=onproc flags process=0 proc=4000000 pri=0, usrpri=77, nice=20 forw=0xffffffffffffffff, list=0xffff800020b619e0,0xffffffff8238e968 process=0xffff800020b8c360 user=0xffff800020c40000, vmspace=0xfffffd807f00b708 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 64880 229903 61377 0 2 0 syz-executor.0 *64880 154461 61377 0 7 0x4000000 syz-executor.0 22759 83648 65673 0 3 0x3000 suspend syz-executor.1 22759 354709 65673 0 7 0x4081000 syz-executor.1 22759 94728 65673 0 3 0x4081000 kbccmd syz-executor.1 65673 114081 28802 0 3 0x82 nanosleep syz-executor.1 61377 102385 28802 0 3 0x82 nanosleep syz-executor.0 28802 197121 70344 0 3 0x82 thrsleep syz-execprog 28802 64122 70344 0 2 0x4000482 syz-execprog 28802 216249 70344 0 3 0x4000082 thrsleep syz-execprog 28802 39863 70344 0 3 0x4000082 thrsleep syz-execprog 28802 451334 70344 0 3 0x4000082 kqread syz-execprog 28802 515971 70344 0 3 0x4000082 thrsleep syz-execprog 28802 447504 70344 0 3 0x4000082 thrsleep syz-execprog 28802 377674 70344 0 3 0x4000082 thrsleep syz-execprog 28802 11714 70344 0 3 0x4000082 thrsleep syz-execprog 28802 39522 70344 0 3 0x4000082 thrsleep syz-execprog 70344 51694 99798 0 3 0x10008a pause ksh 99798 7648 29257 0 3 0x92 select sshd 19335 207439 1 0 3 0x100083 ttyin getty 29257 488032 1 0 3 0x80 select sshd 17483 354415 4582 74 3 0x100092 bpf pflogd 4582 183353 1 0 3 0x80 netio pflogd 69355 424666 95191 73 3 0x100010 ffs_fsync syslogd 95191 310867 1 0 3 0x100082 netio syslogd 86236 471404 1 77 3 0x100090 poll dhclient 17993 485445 1 0 3 0x80 poll dhclient 58105 505871 0 0 3 0x14200 pgzero zerothread 51140 250035 0 0 3 0x14200 aiodoned aiodoned 14201 314176 0 0 3 0x14200 syncer update 20374 147446 0 0 3 0x14200 cleaner cleaner 34598 342406 0 0 3 0x14200 reaper reaper 40898 390435 0 0 3 0x14200 pgdaemon pagedaemon 6468 523150 0 0 3 0x14200 bored crynlk 43392 37311 0 0 3 0x14200 bored crypto 69744 70990 0 0 3 0x40014200 acpi0 acpi0 57227 481354 0 0 3 0x40014200 idle1 38586 186316 0 0 3 0x14200 bored softnet 8102 217727 0 0 3 0x14200 bored systqmp 40567 392176 0 0 3 0x14200 bored systq 45899 386259 0 0 3 0x40014200 bored softclock 54084 121595 0 0 3 0x40014200 idle0 33599 153782 0 0 3 0x14200 bored smr 1 338640 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 64880 (syz-executor.0) thread 0xffff800020b60270 (154461) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82393de8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1161 #1 __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 #2 mi_switch+0x38c sys/kern/sched_bsd.c:439 #3 sleep_finish+0x110 sys/kern/kern_synch.c:303 #4 tsleep+0x198 sleep_finish_timeout sys/kern/kern_synch.c:327 [inline] #4 tsleep+0x198 sleep_finish_all sys/kern/kern_synch.c:157 [inline] #4 tsleep+0x198 sys/kern/kern_synch.c:148 #5 pckbc_enqueue_cmd+0x2cf sys/dev/ic/pckbc.c:931 #6 pms_ioctl_mouse+0x137 #7 wsmouse_do_ioctl+0x2e3 sys/dev/wscons/wsmouse.c:527 #8 wsmousedoioctl+0x51 sys/dev/wscons/wsmouse.c:429 #9 wsmux_do_ioctl+0x5b3 sys/dev/wscons/wsmux.c:546 #10 VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 #11 vn_ioctl+0xb6 sys/kern/vfs_vnops.c:512 #12 sys_ioctl+0x5b8 #13 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] #13 syscall+0x552 sys/arch/amd64/amd64/trap.c:574 #14 Xsyscall+0x128 shared rwlock wsmuxlk r = 0 (0xffff800000026dd0) #0 witness_lock+0x52e sys/kern/subr_witness.c:1161 #1 wsmux_do_ioctl+0x521 #2 VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 #3 vn_ioctl+0xb6 sys/kern/vfs_vnops.c:512 #4 sys_ioctl+0x5b8 #5 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] #5 syscall+0x552 sys/arch/amd64/amd64/trap.c:574 #6 Xsyscall+0x128 Process 22759 (syz-executor.1) thread 0xffff800020b60018 (94728) shared rwlock wsmuxlk r = 0 (0xffff800000026dd0) #0 witness_lock+0x52e sys/kern/subr_witness.c:1161 #1 wsmux_do_ioctl+0x521 #2 VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 #3 vn_ioctl+0xb6 sys/kern/vfs_vnops.c:512 #4 sys_ioctl+0x5b8 #5 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] #5 syscall+0x552 sys/arch/amd64/amd64/trap.c:574 #6 Xsyscall+0x128 Process 69355 (syslogd) thread 0xffff800020b85780 (424666) exclusive rrwlock inode r = 0 (0xfffffd806ec1de68) #0 witness_lock+0x52e sys/kern/subr_witness.c:1161 #1 rw_enter+0x46d sys/kern/kern_rwlock.c:306 #2 rrw_enter+0x4f sys/kern/kern_rwlock.c:435 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:602 #4 vn_lock+0x6e sys/kern/vfs_vnops.c:549 #5 sys_fsync+0x114 sys/kern/vfs_syscalls.c:2793 #6 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] #6 syscall+0x552 sys/arch/amd64/amd64/trap.c:574 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9461 6395K 6395K 78643K 10548 0 0 pcb 25 9K 9K 78643K 73 0 0 rtable 105 3K 3K 78643K 201 0 0 ifaddr 38 10K 10K 78643K 39 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1469 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1193 75K 75K 78643K 8984 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 1K 78643K 2 0 0 VM map 2 1K 1K 78643K 2 0 0 sem 2 0K 0K 78643K 2 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12628 0 0 file desc 5 16K 24K 78643K 4968 0 0 proc 52 50K 83K 78643K 359 0 0 subproc 0 0K 1K 78643K 17 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 in_multi 33 2K 2K 78643K 33 0 0 ether_multi 1 0K 0K 78643K 1 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 18 79K 79K 78643K 18 0 0 exec 0 0K 1K 78643K 230 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 88 20K 20K 78643K 15235 0 0 UVM aobj 2 2K 2K 78643K 2 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 NDP 6 0K 0K 78643K 10 0 0 temp 55 2714K 2778K 78643K 13326 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 6 0 0 1 0 1 1 0 8 0 inpcbpl 280 43 0 37 1 0 1 1 0 8 0 plimitpl 152 20 0 12 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 syncache 264 8 0 8 1 1 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 544 14 0 11 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 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 15 0 14 1 0 1 1 0 8 0 pfstkey 112 15 0 14 1 0 1 1 0 8 0 pfstate 328 15 0 14 2 1 1 2 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 256 188 0 0 12 0 12 12 0 8 0 art_table 32 189 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 19101 0 17674 47 0 47 47 0 8 0 ffsino 272 19101 0 17674 96 0 96 96 0 8 0 nchpl 144 24156 0 22513 62 1 61 61 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 200 5926 0 0 312 0 312 312 0 8 0 namei 1024 60409 0 60409 2 1 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scxspl 192 49158 0 49157 8 7 1 6 0 8 0 sigapl 432 5190 0 5174 3 1 2 3 0 8 0 futexpl 56 24320 0 24320 2 1 1 1 0 8 1 knotepl 112 107 0 90 1 0 1 1 0 8 0 kqueuepl 104 3 0 1 1 0 1 1 0 8 0 pipepl 112 226 0 207 2 1 1 1 0 8 0 fdescpl 488 5191 0 5174 3 0 3 3 0 8 0 filepl 152 22174 0 22105 4 1 3 3 0 8 0 lockfpl 104 19599 0 19596 2 1 1 1 0 8 0 lockfspl 48 4933 0 4931 2 1 1 1 0 8 0 sessionpl 112 27 0 16 1 0 1 1 0 8 0 pgrppl 48 27 0 16 1 0 1 1 0 8 0 ucredpl 96 73 0 64 1 0 1 1 0 8 0 zombiepl 144 5175 0 5174 2 1 1 1 0 8 0 processpl 840 5206 0 5174 4 0 4 4 0 8 0 procpl 600 14470 0 14426 4 0 4 4 0 8 0 sockpl 384 103 0 85 3 0 3 3 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 98 0 0 12 0 12 12 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 182 0 0 10 1 9 9 0 8 0 bufpl 256 10928 0 3920 439 0 439 439 0 8 0 anonpl 16 299596 0 296920 23 12 11 13 0 125 0 amapchunkpl 152 24264 0 24165 8 4 4 6 0 158 0 amappl16 192 18625 0 18524 7 1 6 6 0 8 0 amappl15 184 4938 0 4935 2 1 1 1 0 8 0 amappl14 176 2528 0 2520 2 1 1 1 0 8 0 amappl13 168 3 0 2 2 1 1 1 0 8 0 amappl12 160 22 0 22 1 1 0 1 0 8 0 amappl11 152 86 0 68 1 0 1 1 0 8 0 amappl10 144 99 0 96 1 0 1 1 0 8 0 amappl9 136 755 0 752 1 0 1 1 0 8 0 amappl8 128 163 0 152 1 0 1 1 0 8 0 amappl7 120 48 0 43 1 0 1 1 0 8 0 amappl6 112 85 0 79 1 0 1 1 0 8 0 amappl5 104 291 0 278 1 0 1 1 0 8 0 amappl4 96 2978 0 2952 2 1 1 2 0 8 0 amappl3 88 5179 0 5164 1 0 1 1 0 8 0 amappl2 80 43065 0 42986 5 3 2 3 0 8 0 amappl1 72 109851 0 109398 31 21 10 19 0 8 0 amappl 80 14626 0 14587 1 0 1 1 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 dma64 64 259 0 259 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 17 0 17 1 1 0 1 0 8 0 aobjpl 64 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 5191 0 5174 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 5191 0 5174 1 0 1 1 0 8 0 vmmpekpl 168 38166 0 38141 2 0 2 2 0 8 0 vmmpepl 168 438376 0 437203 96 44 52 77 0 357 0 vmsppl 360 5190 0 5174 2 0 2 2 0 8 0 pdppl 4096 10389 0 10348 7 1 6 6 0 8 0 pvpl 32 887577 0 882170 117 73 44 108 0 265 0 pmappl 232 5190 0 5174 2 1 1 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 588 0 6 17 0 17 17 0 8 0