panic: free: size too small 10 <= 4096 / 2 (0xffff800000aa2000) type devbuf Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 213047 84897 0 0 0 1 syz-executor.1 *511344 84897 0 0 0x4000000 0K syz-executor.1 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff824204f4) at panic+0x15c sys/kern/subr_prf.c:207 free(ffff800000aa2000,2,a) at free+0x54c wskbd_load_keymap(ffff80000007ec70,200,ffff800000657528,ffff800000657524) at wskbd_load_keymap+0x3e2 wskbd_init_keymap sys/dev/wscons/wskbdutil.c:385 [inline] wskbd_load_keymap(ffff80000007ec70,200,ffff800000657528,ffff800000657524) at wskbd_load_keymap+0x3e2 sys/dev/wscons/wskbdutil.c:440 wskbd_displayioctl(ffff800000657400,80045710,ffff800021fdce30,2,ffff800020e02780) at wskbd_displayioctl+0xacb sys/dev/wscons/wskbd.c:1150 wskbd_do_ioctl_sc(ffff800000657400,80045710,ffff800021fdce30,2,ffff800020e02780) at wskbd_do_ioctl_sc+0x17c sys/dev/wscons/wskbd.c:986 wskbdioctl(4300,80045710,ffff800021fdce30,2,ffff800020e02780) at wskbdioctl+0x7c wskbd_do_ioctl sys/dev/wscons/wskbd.c:940 [inline] wskbdioctl(4300,80045710,ffff800021fdce30,2,ffff800020e02780) at wskbdioctl+0x7c sys/dev/wscons/wskbd.c:928 VOP_IOCTL(fffffd806e291008,80045710,ffff800021fdce30,2,fffffd807f7bf7e0,ffff800020e02780) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd8064e25ac0,80045710,ffff800021fdce30,ffff800020e02780) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531 sys_ioctl(ffff800020e02780,ffff800021fdcf48,ffff800021fdcf90) at sys_ioctl+0x4a5 syscall(ffff800021fdd010) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021fdd010) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfd33c701a80, count: 3 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic free: size too small 10 <= 4096 / 2 (0xffff800000aa2000) type devbuf ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff824204f4) at panic+0x15c sys/kern/subr_prf.c:207 free(ffff800000aa2000,2,a) at free+0x54c wskbd_load_keymap(ffff80000007ec70,200,ffff800000657528,ffff800000657524) at wskbd_load_keymap+0x3e2 wskbd_init_keymap sys/dev/wscons/wskbdutil.c:385 [inline] wskbd_load_keymap(ffff80000007ec70,200,ffff800000657528,ffff800000657524) at wskbd_load_keymap+0x3e2 sys/dev/wscons/wskbdutil.c:440 wskbd_displayioctl(ffff800000657400,80045710,ffff800021fdce30,2,ffff800020e02780) at wskbd_displayioctl+0xacb sys/dev/wscons/wskbd.c:1150 wskbd_do_ioctl_sc(ffff800000657400,80045710,ffff800021fdce30,2,ffff800020e02780) at wskbd_do_ioctl_sc+0x17c sys/dev/wscons/wskbd.c:986 wskbdioctl(4300,80045710,ffff800021fdce30,2,ffff800020e02780) at wskbdioctl+0x7c wskbd_do_ioctl sys/dev/wscons/wskbd.c:940 [inline] wskbdioctl(4300,80045710,ffff800021fdce30,2,ffff800020e02780) at wskbdioctl+0x7c sys/dev/wscons/wskbd.c:928 VOP_IOCTL(fffffd806e291008,80045710,ffff800021fdce30,2,fffffd807f7bf7e0,ffff800020e02780) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd8064e25ac0,80045710,ffff800021fdce30,ffff800020e02780) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531 sys_ioctl(ffff800020e02780,ffff800021fdcf48,ffff800021fdcf90) at sys_ioctl+0x4a5 syscall(ffff800021fdd010) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021fdd010) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfd33c701a80, count: -12 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800021fdc8b0 rbx 0xffff800021fdc960 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff82207b4f kprintf+0x16f r9 0x1 r10 0x2 r11 0x7ad5501031ae8096 r12 0x3000000008 r13 0xffff800021fdc8c0 r14 0x100 r15 0x1 rip 0xffffffff813fb6a8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021fdc8a0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.1) pid=511344 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020e03890,0xffff800020e022b0 process=0xffff800020e183f8 user=0xffff800021fd8000, vmspace=0xfffffd8064ad12f0 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 84897 213047 22675 0 7 0 syz-executor.1 84897 11135 22675 0 2 0x4000000 syz-executor.1 *84897 511344 22675 0 7 0x4000000 syz-executor.1 84897 13458 22675 0 2 0x4000000 syz-executor.1 32640 302595 13965 0 3 0x80 nanosleep syz-executor.0 32640 253648 13965 0 3 0x4000080 lockf syz-executor.0 32640 401367 13965 0 3 0x4000080 lockf syz-executor.0 32640 72294 13965 0 3 0x4000080 fsleep syz-executor.0 11332 113595 0 0 3 0x14280 nfsidl nfsio 58861 250743 0 0 3 0x14280 nfsidl nfsio 84308 157192 0 0 3 0x14280 nfsidl nfsio 99960 78835 0 0 3 0x14280 nfsidl nfsio 99443 124923 0 0 3 0x14280 nfsidl nfsio 33819 425852 0 0 3 0x14280 nfsidl nfsio 30540 343473 0 0 3 0x14280 nfsidl nfsio 3911 245545 0 0 3 0x14280 nfsidl nfsio 38801 501519 0 0 3 0x14280 nfsidl nfsio 77755 508032 0 0 3 0x14280 nfsidl nfsio 81023 270877 0 0 3 0x14280 nfsidl nfsio 6320 177636 0 0 3 0x14280 nfsidl nfsio 12728 393499 0 0 3 0x14280 nfsidl nfsio 46622 269223 0 0 3 0x14280 nfsidl nfsio 57565 508522 0 0 3 0x14280 nfsidl nfsio 7363 352288 0 0 3 0x14280 nfsidl nfsio 98600 278531 0 0 3 0x14280 nfsidl nfsio 34311 465835 0 0 3 0x14280 nfsidl nfsio 95866 384840 0 0 3 0x14280 nfsidl nfsio 38900 8247 0 0 3 0x14280 nfsidl nfsio 22675 282698 15828 0 3 0x82 nanosleep syz-executor.1 74385 61649 0 0 3 0x14200 acct acct 73632 304775 0 0 3 0x14200 bored sosplice 13965 315637 15828 0 3 0x82 nanosleep syz-executor.0 15828 234922 69328 0 3 0x82 kqread syz-fuzzer 15828 260258 69328 0 3 0x4000082 nanosleep syz-fuzzer 15828 137654 69328 0 3 0x4000082 thrsleep syz-fuzzer 15828 155558 69328 0 3 0x4000082 thrsleep syz-fuzzer 15828 148656 69328 0 3 0x4000082 thrsleep syz-fuzzer 15828 219423 69328 0 3 0x4000082 thrsleep syz-fuzzer 15828 33993 69328 0 3 0x4000082 thrsleep syz-fuzzer 15828 505709 69328 0 3 0x4000082 thrsleep syz-fuzzer 15828 64660 69328 0 3 0x4000082 nanosleep syz-fuzzer 15828 288088 69328 0 3 0x4000082 thrsleep syz-fuzzer 69328 516349 94322 0 3 0x10008a pause ksh 94322 365597 85368 0 3 0x92 select sshd 6172 352687 1 0 3 0x100083 ttyin getty 85368 373792 1 0 3 0x80 select sshd 17579 185387 86384 74 3 0x100092 bpf pflogd 86384 19990 1 0 3 0x80 netio pflogd 29879 360895 95439 73 3 0x100090 kqread syslogd 95439 44544 1 0 3 0x100082 netio syslogd 5083 155249 1 77 3 0x100090 poll dhclient 58488 73636 1 0 3 0x80 poll dhclient 4235 469001 0 0 3 0x14200 bored smr 26383 187595 0 0 3 0x14200 pgzero zerothread 82835 63788 0 0 3 0x14200 aiodoned aiodoned 69254 249746 0 0 3 0x14200 syncer update 78872 357705 0 0 3 0x14200 cleaner cleaner 98706 289910 0 0 3 0x14200 reaper reaper 87028 32437 0 0 3 0x14200 pgdaemon pagedaemon 95688 456426 0 0 3 0x14200 bored crynlk 85980 106819 0 0 3 0x14200 bored crypto 87261 404439 0 0 3 0x40014200 acpi0 acpi0 50527 236407 0 0 3 0x40014200 idle1 4573 21100 0 0 3 0x14200 bored softnet 99091 438162 0 0 3 0x14200 bored systqmp 93433 448820 0 0 3 0x14200 bored systq 71868 96291 0 0 3 0x40014200 bored softclock 37344 456394 0 0 3 0x40014200 idle0 1 517912 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex /syzkaller/managers/multicore/kernel/sys/kern/kern_malloc.c:104 r = 0 (0xffffffff826f5f70) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 free+0x70 sys/kern/kern_malloc.c:394 #4 wskbd_load_keymap+0x3e2 wskbd_init_keymap sys/dev/wscons/wskbdutil.c:385 [inline] #4 wskbd_load_keymap+0x3e2 sys/dev/wscons/wskbdutil.c:440 #5 wskbd_displayioctl+0xacb sys/dev/wscons/wskbd.c:1150 #6 wskbd_do_ioctl_sc+0x17c sys/dev/wscons/wskbd.c:986 #7 wskbdioctl+0x7c wskbd_do_ioctl sys/dev/wscons/wskbd.c:940 [inline] #7 wskbdioctl+0x7c sys/dev/wscons/wskbd.c:928 #8 VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 #9 vn_ioctl+0xba sys/kern/vfs_vnops.c:531 #10 sys_ioctl+0x4a5 #11 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #11 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #12 Xsyscall+0x128 Process 84897 (syz-executor.1) thread 0xffff800020e03890 (11135) exclusive rwlock fdlock r = 0 (0xfffffd807583aa18) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 dopipe+0x25d sys/kern/sys_pipe.c:184 #2 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #2 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #3 Xsyscall+0x128 Process 84897 (syz-executor.1) thread 0xffff800020e02780 (511344) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828b0160) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 vn_ioctl+0x40 sys/kern/vfs_vnops.c:514 #2 sys_ioctl+0x4a5 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #4 Xsyscall+0x128 exclusive mutex /syzkaller/managers/multicore/kernel/sys/kern/kern_malloc.c:104 r = 0 (0xffffffff826f5f70) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 free+0x70 sys/kern/kern_malloc.c:394 #4 wskbd_load_keymap+0x3e2 wskbd_init_keymap sys/dev/wscons/wskbdutil.c:385 [inline] #4 wskbd_load_keymap+0x3e2 sys/dev/wscons/wskbdutil.c:440 #5 wskbd_displayioctl+0xacb sys/dev/wscons/wskbd.c:1150 #6 wskbd_do_ioctl_sc+0x17c sys/dev/wscons/wskbd.c:986 #7 wskbdioctl+0x7c wskbd_do_ioctl sys/dev/wscons/wskbd.c:940 [inline] #7 wskbdioctl+0x7c sys/dev/wscons/wskbd.c:928 #8 VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 #9 vn_ioctl+0xba sys/kern/vfs_vnops.c:531 #10 sys_ioctl+0x4a5 #11 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #11 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #12 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9522 6430K 6876K 78643K 11643 0 pcb 13 8K 8K 78643K 135 0 rtable 125 9K 10K 78643K 534 0 ifaddr 100 21K 21K 78643K 217 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 34K 78643K 79 0 ioctlops 0 0K 4K 78643K 1582 0 iov 0 0K 16K 78643K 76 0 mount 1 1K 1K 78643K 1 0 vnodes 1217 76K 77K 78643K 1573 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 15 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 175 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 6 17K 25K 78643K 732 0 sigio 0 0K 0K 78643K 3 0 proc 63 63K 95K 78643K 546 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 25 0 in_multi 85 4K 4K 78643K 142 0 ether_multi 1 0K 0K 78643K 14 0 mrt 0 0K 0K 78643K 20 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 61 281K 281K 78643K 61 0 exec 0 0K 1K 78643K 256 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 151 122K 122K 78643K 3446 0 UVM aobj 48 2K 2K 78643K 48 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 101 0 NDP 12 0K 0K 78643K 38 0 temp 125 3856K 3936K 78643K 22063 0 kqueue 3 4K 18K 78643K 56 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 12 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 62 0 60 1 0 1 1 0 8 0 rtentry 112 84 0 43 2 0 2 2 0 8 0 unpcb 120 333 0 323 1 0 1 1 0 8 0 syncache 264 12 0 12 3 3 0 1 0 8 0 tcpqe 32 153 0 153 3 3 0 1 0 8 0 tcpcb 544 1371 0 1367 4 3 1 2 0 8 0 inpcb 280 1816 0 1807 4 2 2 2 0 8 1 rttmr 72 7 0 7 2 2 0 1 0 8 0 nd6 48 13 0 8 1 0 1 1 0 8 0 pkpcb 40 3 0 3 2 2 0 1 0 8 0 ppxss 1128 2 0 2 2 2 0 1 0 8 0 pffrag 232 7 0 3 2 1 1 1 0 482 0 pffrnode 88 6 0 3 2 1 1 1 0 8 0 pffrent 40 61 0 57 3 2 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 pfrktable 1344 30 0 20 2 1 1 2 0 8 0 pftag 88 2 0 2 1 1 0 1 0 8 0 pfstitem 24 78 0 28 1 0 1 1 0 8 0 pfstkey 112 78 0 28 2 0 2 2 0 8 0 pfstate 328 78 0 28 5 0 5 5 0 8 0 pfrule 1360 37 0 24 3 1 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 391 0 194 14 1 13 13 0 8 0 art_table 32 393 0 194 2 0 2 2 0 8 0 art_node 16 81 0 45 1 0 1 1 0 8 0 sysvmsgpl 40 19 0 14 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 169 0 159 1 0 1 1 0 8 0 shmpl 112 46 0 0 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2373 0 970 89 0 89 89 0 8 0 ffsino 272 2373 0 970 95 1 94 95 0 8 0 nchpl 144 3537 0 1953 60 0 60 60 0 8 0 uvmvnodes 72 2667 0 0 49 0 49 49 0 8 0 vnodes 208 2667 0 0 141 0 141 141 0 8 0 namei 1024 9827 0 9827 3 2 1 1 0 8 1 percpumem 16 50 0 18 1 0 1 1 0 8 0 vcpupl 1984 9 0 0 2 0 2 2 0 8 0 vmpool 560 13 0 4 1 0 1 1 0 8 0 pfiaddrpl 120 12 0 6 1 0 1 1 0 8 0 scxspl 192 10967 0 10967 12 11 1 7 0 8 1 plimitpl 152 58 0 50 1 0 1 1 0 8 0 sigapl 424 966 0 912 7 0 7 7 0 8 0 futexpl 56 11184 0 11183 2 1 1 1 0 8 0 knotepl 112 156 0 137 2 1 1 2 0 8 0 kqueuepl 144 124 0 122 1 0 1 1 0 8 0 pipelkpl 48 222 0 208 1 0 1 1 0 8 0 pipepl 120 444 0 417 2 1 1 2 0 8 0 fdescpl 496 929 0 912 3 0 3 3 0 8 0 filepl 152 6002 0 5890 8 3 5 6 0 8 0 lockfpl 104 206 0 202 1 0 1 1 0 8 0 lockfspl 48 73 0 71 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 23 0 12 1 0 1 1 0 8 0 ucredpl 96 527 0 518 1 0 1 1 0 8 0 zombiepl 144 924 0 924 2 1 1 1 0 8 1 processpl 984 966 0 912 7 0 7 7 0 8 0 procpl 624 2597 0 2528 7 1 6 6 0 8 0 srpgc 64 2 0 2 1 1 0 1 0 8 0 sosppl 128 14 0 14 2 2 0 1 0 8 0 sockpl 400 2221 0 2202 10 7 3 4 0 8 1 mcl64k 65536 12 0 0 2 0 2 2 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 11 0 0 2 0 2 2 0 8 0 mcl9k 9216 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 14 0 0 2 0 2 2 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 165 0 0 20 0 20 20 0 8 0 mtagpl 80 35 0 0 1 0 1 1 0 8 0 mbufpl 256 549 0 0 34 0 34 34 0 8 0 bufpl 280 4940 0 137 344 0 344 344 0 8 0 anonpl 16 99601 0 83906 85 21 64 75 0 124 0 amapchunkpl 152 6046 0 5810 27 17 10 19 0 158 0 amappl16 192 4313 0 3464 56 13 43 54 0 8 0 amappl15 184 4 0 2 1 0 1 1 0 8 0 amappl14 176 80 0 76 1 0 1 1 0 8 0 amappl13 168 36 0 33 1 0 1 1 0 8 0 amappl12 160 74 0 70 1 0 1 1 0 8 0 amappl11 152 412 0 395 1 0 1 1 0 8 0 amappl10 144 296 0 289 1 0 1 1 0 8 0 amappl9 136 384 0 383 1 0 1 1 0 8 0 amappl8 128 391 0 354 3 1 2 2 0 8 0 amappl7 120 404 0 388 1 0 1 1 0 8 0 amappl6 112 375 0 371 1 0 1 1 0 8 0 amappl5 104 832 0 815 1 0 1 1 0 8 0 amappl4 96 507 0 475 1 0 1 1 0 8 0 amappl3 88 125 0 120 1 0 1 1 0 8 0 amappl2 80 6495 0 6414 2 0 2 2 0 8 0 amappl1 72 29949 0 29493 23 13 10 18 0 8 0 amappl 80 2864 0 2809 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 47 0 0 1 0 1 1 0 8 0 uaddrrnd 24 942 0 916 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 942 0 916 1 0 1 1 0 8 0 vmmpekpl 168 11276 0 11235 3 0 3 3 0 8 0 vmmpepl 168 119662 0 117524 128 34 94 119 0 357 0 vmsppl 368 941 0 916 3 0 3 3 0 8 0 pdppl 4096 1891 0 1841 7 0 7 7 0 8 0 pvpl 32 298185 0 278598 212 53 159 181 0 265 0 pmappl 232 941 0 916 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 302 0 18 9 0 9 9 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff824204f4) at panic+0x15c sys/kern/subr_prf.c:207 free(ffff800000aa2000,2,a) at free+0x54c wskbd_load_keymap(ffff80000007ec70,200,ffff800000657528,ffff800000657524) at wskbd_load_keymap+0x3e2 wskbd_init_keymap sys/dev/wscons/wskbdutil.c:385 [inline] wskbd_load_keymap(ffff80000007ec70,200,ffff800000657528,ffff800000657524) at wskbd_load_keymap+0x3e2 sys/dev/wscons/wskbdutil.c:440 wskbd_displayioctl(ffff800000657400,80045710,ffff800021fdce30,2,ffff800020e02780) at wskbd_displayioctl+0xacb sys/dev/wscons/wskbd.c:1150 wskbd_do_ioctl_sc(ffff800000657400,80045710,ffff800021fdce30,2,ffff800020e02780) at wskbd_do_ioctl_sc+0x17c sys/dev/wscons/wskbd.c:986 wskbdioctl(4300,80045710,ffff800021fdce30,2,ffff800020e02780) at wskbdioctl+0x7c wskbd_do_ioctl sys/dev/wscons/wskbd.c:940 [inline] wskbdioctl(4300,80045710,ffff800021fdce30,2,ffff800020e02780) at wskbdioctl+0x7c sys/dev/wscons/wskbd.c:928 VOP_IOCTL(fffffd806e291008,80045710,ffff800021fdce30,2,fffffd807f7bf7e0,ffff800020e02780) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd8064e25ac0,80045710,ffff800021fdce30,ffff800020e02780) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531 sys_ioctl(ffff800020e02780,ffff800021fdcf48,ffff800021fdcf90) at sys_ioctl+0x4a5 syscall(ffff800021fdd010) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021fdd010) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfd33c701a80, count: -12 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020d80ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 end of kernel end trace frame: 0x7f7ffffdf580, count: 12 ddb{1}> trace x86_ipi_db(ffff800020d80ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 end of kernel end trace frame: 0x7f7ffffdf580, count: -3