panic: free: size too small 10 <= 4096 / 2 (0xffff800000aa3000) type devbuf Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *446124 7890 0 0 0x4000000 1K syz-executor.1 481721 87738 0 0x2 0x4000000 0 syz-fuzzer db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82420d5a) at panic+0x15c sys/kern/subr_prf.c:207 free(ffff800000aa3000,2,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,ffff800021f27690,2,ffff800021f0b3a8) at wskbd_displayioctl+0xacb sys/dev/wscons/wskbd.c:1150 wskbd_do_ioctl_sc(ffff800000657400,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbd_do_ioctl_sc+0x17c sys/dev/wscons/wskbd.c:986 wskbdioctl(4300,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbdioctl+0x7c wskbd_do_ioctl sys/dev/wscons/wskbd.c:940 [inline] wskbdioctl(4300,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbdioctl+0x7c sys/dev/wscons/wskbd.c:928 VOP_IOCTL(fffffd806e2859c8,80045710,ffff800021f27690,2,fffffd807f7bf7e0,ffff800021f0b3a8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd806ca39ef0,80045710,ffff800021f27690,ffff800021f0b3a8) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531 sys_ioctl(ffff800021f0b3a8,ffff800021f277a8,ffff800021f277f0) at sys_ioctl+0x4a5 syscall(ffff800021f27870) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021f27870) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4d432fc25e0, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic free: size too small 10 <= 4096 / 2 (0xffff800000aa3000) type devbuf ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82420d5a) at panic+0x15c sys/kern/subr_prf.c:207 free(ffff800000aa3000,2,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,ffff800021f27690,2,ffff800021f0b3a8) at wskbd_displayioctl+0xacb sys/dev/wscons/wskbd.c:1150 wskbd_do_ioctl_sc(ffff800000657400,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbd_do_ioctl_sc+0x17c sys/dev/wscons/wskbd.c:986 wskbdioctl(4300,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbdioctl+0x7c wskbd_do_ioctl sys/dev/wscons/wskbd.c:940 [inline] wskbdioctl(4300,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbdioctl+0x7c sys/dev/wscons/wskbd.c:928 VOP_IOCTL(fffffd806e2859c8,80045710,ffff800021f27690,2,fffffd807f7bf7e0,ffff800021f0b3a8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd806ca39ef0,80045710,ffff800021f27690,ffff800021f0b3a8) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531 sys_ioctl(ffff800021f0b3a8,ffff800021f277a8,ffff800021f277f0) at sys_ioctl+0x4a5 syscall(ffff800021f27870) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021f27870) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4d432fc25e0, count: -12 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800021f27110 rbx 0xffff800021f271c0 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff82319f3f kprintf+0x16f r9 0x1 r10 0x2 r11 0x755101668df9730e r12 0x3000000008 r13 0xffff800021f27120 r14 0x100 r15 0x1 rip 0xffffffff812fccd8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021f27100 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.1) pid=446124 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff800021f0b888,0xffff800021f0a9f8 process=0xffff800020e08020 user=0xffff800021f22000, vmspace=0xfffffd8064c028b0 estcpu=32, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 7890 456603 65598 0 2 0 syz-executor.1 7890 467027 65598 0 2 0x4000000 syz-executor.1 * 7890 446124 65598 0 7 0x4000000 syz-executor.1 7890 72080 65598 0 3 0x4000080 fsleep syz-executor.1 47663 276718 0 0 3 0x14200 acct acct 41832 172719 0 0 3 0x14280 nfsidl nfsio 69202 247829 0 0 3 0x14280 nfsidl nfsio 95231 15614 0 0 3 0x14280 nfsidl nfsio 97339 238730 0 0 3 0x14280 nfsidl nfsio 77365 7986 0 0 3 0x14280 nfsidl nfsio 58364 495031 0 0 3 0x14280 nfsidl nfsio 65489 341968 0 0 3 0x14280 nfsidl nfsio 26312 197360 0 0 3 0x14280 nfsidl nfsio 16845 250557 0 0 3 0x14280 nfsidl nfsio 90327 460573 0 0 3 0x14280 nfsidl nfsio 83011 238792 0 0 3 0x14280 nfsidl nfsio 58043 24740 0 0 3 0x14280 nfsidl nfsio 52011 127108 0 0 3 0x14280 nfsidl nfsio 7773 480673 0 0 3 0x14280 nfsidl nfsio 22584 340658 0 0 3 0x14280 nfsidl nfsio 18590 307552 0 0 3 0x14280 nfsidl nfsio 22107 392821 0 0 3 0x14280 nfsidl nfsio 52669 293315 0 0 3 0x14280 nfsidl nfsio 37064 423578 0 0 3 0x14280 nfsidl nfsio 97317 357544 0 0 3 0x14280 nfsidl nfsio 83894 194486 87738 0 3 0x82 piperd syz-executor.0 84124 210114 0 0 3 0x14200 bored sosplice 65598 76133 87738 0 3 0x82 nanosleep syz-executor.1 87738 118249 87888 0 3 0x82 thrsleep syz-fuzzer 87738 93142 87888 0 3 0x4000082 nanosleep syz-fuzzer 87738 473993 87888 0 3 0x4000082 thrsleep syz-fuzzer 87738 359941 87888 0 3 0x4000082 thrsleep syz-fuzzer 87738 360408 87888 0 3 0x4000082 thrsleep syz-fuzzer 87738 481721 87888 0 7 0x4000002 syz-fuzzer 87738 322559 87888 0 3 0x4000082 thrsleep syz-fuzzer 87738 161065 87888 0 3 0x4000082 kqread syz-fuzzer 87738 231582 87888 0 3 0x4000082 thrsleep syz-fuzzer 87738 200728 87888 0 3 0x4000082 thrsleep syz-fuzzer 87888 42487 1699 0 3 0x10008a pause ksh 1699 308549 46886 0 3 0x92 select sshd 53087 430790 1 0 3 0x100083 ttyin getty 46886 300189 1 0 3 0x80 select sshd 94555 260910 65279 74 3 0x100092 bpf pflogd 65279 518998 1 0 3 0x80 netio pflogd 54944 401600 79414 73 3 0x100090 kqread syslogd 79414 4790 1 0 3 0x100082 netio syslogd 54526 6012 1 77 3 0x100090 poll dhclient 4988 152579 1 0 3 0x80 poll dhclient 85074 408024 0 0 3 0x14200 bored smr 23268 166055 0 0 3 0x14200 pgzero zerothread 37434 309874 0 0 3 0x14200 aiodoned aiodoned 20474 5897 0 0 3 0x14200 syncer update 74819 15264 0 0 3 0x14200 cleaner cleaner 86897 130312 0 0 3 0x14200 reaper reaper 46904 97730 0 0 3 0x14200 pgdaemon pagedaemon 43669 14595 0 0 3 0x14200 bored crynlk 44885 491738 0 0 3 0x14200 bored crypto 50042 498719 0 0 3 0x40014200 acpi0 acpi0 80993 39821 0 0 3 0x40014200 idle1 44840 372625 0 0 3 0x14200 bored softnet 27869 44101 0 0 3 0x14200 bored systqmp 74377 163579 0 0 3 0x14200 bored systq 55804 159359 0 0 3 0x40014200 bored softclock 92035 397087 0 0 3 0x40014200 idle0 1 64799 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex /syzkaller/managers/multicore/kernel/sys/kern/kern_malloc.c:104 r = 0 (0xffffffff826f9790) #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 7890 (syz-executor.1) thread 0xffff800021f0b3a8 (446124) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8290bf70) #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 (0xffffffff826f9790) #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{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9548 6439K 7537K 78643K 17536 0 pcb 13 8K 8K 78643K 184 0 rtable 149 20K 20K 78643K 559 0 ifaddr 112 22K 23K 78643K 220 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 34K 78643K 75 0 ioctlops 0 0K 4K 78643K 1633 0 iov 0 0K 16K 78643K 386 0 mount 1 1K 1K 78643K 1 0 vnodes 1229 77K 78K 78643K 3095 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 22 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 277 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 1515 0 sigio 0 0K 0K 78643K 24 0 proc 61 63K 83K 78643K 593 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 77 0 in_multi 90 3K 4K 78643K 185 0 ether_multi 1 0K 0K 78643K 21 0 mrt 1 0K 0K 78643K 9 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 55 254K 254K 78643K 55 0 exec 0 0K 1K 78643K 319 0 pfkey data 0 0K 1K 78643K 2 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 133 71K 87K 78643K 5151 0 UVM aobj 54 7K 7K 78643K 66 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 156 0 NDP 16 0K 0K 78643K 40 0 temp 152 3863K 3931K 78643K 28602 0 kqueue 3 4K 10K 78643K 57 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 16 0 7 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 64 0 62 1 0 1 1 0 8 0 rtentry 112 90 0 44 2 0 2 2 0 8 0 unpcb 120 578 0 567 2 1 1 2 0 8 0 syncache 264 10 0 10 4 4 0 1 0 8 0 sackhl 24 2 0 2 2 2 0 1 0 8 0 tcpqe 32 159 0 159 2 2 0 1 0 8 0 tcpcb 544 351 0 347 2 1 1 2 0 8 0 inpcb 280 1925 0 1917 10 8 2 2 0 8 1 rttmr 72 3 0 3 2 2 0 1 0 8 0 nd6 48 12 0 8 1 0 1 1 0 8 0 pkpcb 40 11 0 11 4 4 0 1 0 8 0 ppxss 1128 5 0 5 4 4 0 1 0 8 0 pfstscr 40 2 0 1 1 0 1 1 0 8 0 pffrag 232 4 0 4 2 2 0 1 0 482 0 pffrnode 88 4 0 4 2 2 0 1 0 8 0 pffrent 40 14 0 14 2 2 0 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 33 0 19 5 3 2 2 0 8 0 pftag 88 9 0 6 1 0 1 1 0 8 0 pfqueue 264 2 0 0 1 0 1 1 0 8 0 pfstitem 24 38 0 34 1 0 1 1 0 8 0 pfstkey 112 38 0 34 1 0 1 1 0 8 0 pfstate 328 36 0 33 3 1 2 3 0 8 0 pfsrctr 152 15 0 15 1 1 0 1 0 8 0 pfrule 1360 50 0 22 4 1 3 3 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 324 0 132 14 0 14 14 0 8 1 art_table 32 326 0 132 2 0 2 2 0 8 0 art_node 16 89 0 47 1 0 1 1 0 8 0 sysvmsgpl 40 33 0 14 1 0 1 1 0 8 0 semapl 112 275 0 265 1 0 1 1 0 8 0 shmpl 112 64 0 12 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 3623 0 2219 89 0 89 89 0 8 0 ffsino 272 3623 0 2219 95 0 95 95 0 8 0 nchpl 144 5864 0 4281 60 0 60 60 0 8 0 uvmvnodes 72 5255 0 0 96 0 96 96 0 8 0 vnodes 208 5255 0 0 277 0 277 277 0 8 0 namei 1024 17062 0 17062 5 4 1 1 0 8 1 percpumem 16 48 0 16 1 0 1 1 0 8 0 vcpupl 1984 8 0 0 1 0 1 1 0 8 0 vmpool 560 12 0 4 1 0 1 1 0 8 0 pfiaddrpl 120 24 0 5 1 0 1 1 0 8 0 scxspl 192 17426 0 17426 13 12 1 5 0 8 1 plimitpl 152 88 0 80 1 0 1 1 0 8 0 sigapl 424 1749 0 1696 7 1 6 7 0 8 0 futexpl 56 24174 0 24173 4 3 1 1 0 8 0 knotepl 112 128 0 109 1 0 1 1 0 8 0 kqueuepl 144 153 0 151 1 0 1 1 0 8 0 pipelkpl 48 229 0 217 1 0 1 1 0 8 0 pipepl 120 458 0 435 1 0 1 1 0 8 0 fdescpl 496 1712 0 1696 3 0 3 3 0 8 0 filepl 152 9746 0 9640 7 2 5 6 0 8 0 lockfpl 104 311 0 310 1 0 1 1 0 8 0 lockfspl 48 94 0 93 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 34 0 23 1 0 1 1 0 8 0 ucredpl 96 930 0 921 1 0 1 1 0 8 0 zombiepl 144 1749 0 1749 2 1 1 1 0 8 1 processpl 984 1749 0 1696 7 0 7 7 0 8 0 procpl 624 4286 0 4221 6 0 6 6 0 8 0 srpgc 64 2 0 2 1 1 0 1 0 8 0 sosppl 128 18 0 18 3 3 0 1 0 8 0 sockpl 400 2592 0 2572 13 9 4 6 0 8 1 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 8 0 0 1 0 1 1 0 8 0 mcl9k 9216 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 11 0 0 2 0 2 2 0 8 0 mcl4k 4096 13 0 0 2 0 2 2 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 187 0 0 22 0 22 22 0 8 0 mtagpl 80 66 0 0 2 0 2 2 0 8 0 mbufpl 256 410 0 0 20 0 20 20 0 8 0 bufpl 280 6226 0 141 435 0 435 435 0 8 0 anonpl 16 169636 0 153273 112 42 70 83 0 124 0 amapchunkpl 152 10309 0 10161 50 43 7 20 0 158 0 amappl16 192 8833 0 7942 97 52 45 57 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 1388 0 1382 1 0 1 1 0 8 0 amappl13 168 36 0 33 1 0 1 1 0 8 0 amappl12 160 8 0 6 1 0 1 1 0 8 0 amappl11 152 61 0 45 1 0 1 1 0 8 0 amappl10 144 128 0 120 1 0 1 1 0 8 0 amappl9 136 393 0 391 1 0 1 1 0 8 0 amappl8 128 376 0 339 2 0 2 2 0 8 0 amappl7 120 127 0 114 1 0 1 1 0 8 0 amappl6 112 28 0 23 2 1 1 1 0 8 0 amappl5 104 1583 0 1567 1 0 1 1 0 8 0 amappl4 96 509 0 484 1 0 1 1 0 8 0 amappl3 88 1470 0 1463 1 0 1 1 0 8 0 amappl2 80 12590 0 12516 2 0 2 2 0 8 0 amappl1 72 42111 0 41651 22 11 11 18 0 8 0 amappl 80 4560 0 4512 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 65 0 12 1 0 1 1 0 8 0 uaddrrnd 24 1724 0 1700 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1724 0 1700 1 0 1 1 0 8 0 vmmpekpl 168 13196 0 13154 3 0 3 3 0 8 0 vmmpepl 168 207354 0 205276 150 57 93 122 0 357 0 vmsppl 368 1723 0 1700 3 0 3 3 0 8 0 pdppl 4096 3455 0 3408 7 1 6 7 0 8 0 pvpl 32 471600 0 451936 265 97 168 198 0 265 4 pmappl 232 1723 0 1700 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 295 0 18 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff82718ff0) 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 __mp_lock(ffffffff8290bd68) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff8290bd68) at __mp_lock+0x127 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:89 Xsoftclock() at Xsoftclock+0x1f end of kernel end trace frame: 0xc0013025a8, count: 9 ddb{0}> trace x86_ipi_db(ffffffff82718ff0) 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 __mp_lock(ffffffff8290bd68) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff8290bd68) at __mp_lock+0x127 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:89 Xsoftclock() at Xsoftclock+0x1f end of kernel end trace frame: 0xc0013025a8, count: -6 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82420d5a) at panic+0x15c sys/kern/subr_prf.c:207 free(ffff800000aa3000,2,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,ffff800021f27690,2,ffff800021f0b3a8) at wskbd_displayioctl+0xacb sys/dev/wscons/wskbd.c:1150 wskbd_do_ioctl_sc(ffff800000657400,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbd_do_ioctl_sc+0x17c sys/dev/wscons/wskbd.c:986 wskbdioctl(4300,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbdioctl+0x7c wskbd_do_ioctl sys/dev/wscons/wskbd.c:940 [inline] wskbdioctl(4300,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbdioctl+0x7c sys/dev/wscons/wskbd.c:928 VOP_IOCTL(fffffd806e2859c8,80045710,ffff800021f27690,2,fffffd807f7bf7e0,ffff800021f0b3a8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd806ca39ef0,80045710,ffff800021f27690,ffff800021f0b3a8) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531 sys_ioctl(ffff800021f0b3a8,ffff800021f277a8,ffff800021f277f0) at sys_ioctl+0x4a5 syscall(ffff800021f27870) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021f27870) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4d432fc25e0, count: 3 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82420d5a) at panic+0x15c sys/kern/subr_prf.c:207 free(ffff800000aa3000,2,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,ffff800021f27690,2,ffff800021f0b3a8) at wskbd_displayioctl+0xacb sys/dev/wscons/wskbd.c:1150 wskbd_do_ioctl_sc(ffff800000657400,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbd_do_ioctl_sc+0x17c sys/dev/wscons/wskbd.c:986 wskbdioctl(4300,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbdioctl+0x7c wskbd_do_ioctl sys/dev/wscons/wskbd.c:940 [inline] wskbdioctl(4300,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbdioctl+0x7c sys/dev/wscons/wskbd.c:928 VOP_IOCTL(fffffd806e2859c8,80045710,ffff800021f27690,2,fffffd807f7bf7e0,ffff800021f0b3a8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd806ca39ef0,80045710,ffff800021f27690,ffff800021f0b3a8) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531 sys_ioctl(ffff800021f0b3a8,ffff800021f277a8,ffff800021f277f0) at sys_ioctl+0x4a5 syscall(ffff800021f27870) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021f27870) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4d432fc25e0, count: -12