panic: Caught invalid memory access at ffff800001cd65e0 size 20 op 1 Stopped at db_enter+0x17: popq %rbp TID PID UID PRFLAGS PFLAGS CPU COMMAND 68990 29904 0 0 0x4000000 0K syz-executor *407453 96165 0 0 0x4000000 1 syz-executor db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84632646) at panic+0x270 sys/kern/subr_prf.c:198 kasan_memcpy(ffff800001cd65e0,ffff80003bc90630,14) at kasan_memcpy+0x1ec sysctl_sysvipc(ffff80003bc90ca8,1,200000000180,ffff80003bc90c80) at sysctl_sysvipc+0x63a sys/kern/kern_sysctl.c:2771 kern_sysctl_dirs(33,ffff80003bc90ca8,1,200000000180,ffff80003bc90c80,0,1,1ffff0000779210c) at kern_sysctl_dirs+0x30f sys/kern/kern_sysctl.c:429 kern_sysctl(ffff80003bc90ca4,2,200000000180,ffff80003bc90c80,0,fffa,ffff80003bc90f00) at kern_sysctl+0x1ce sys/kern/kern_sysctl.c:529 sys_sysctl(ffff800045ff6a80,ffff80003bc90f00,ffff80003bc90e60) at sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 syscall(ffff80003bc90f00) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bc90f00) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x27f8a284580, count: 6 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 *cpu1: Caught invalid memory access at ffff800001cd65e0 size 20 op 1 ddb{1}> show kasan KASAN: invalid write of 20 bytes at 0xffff800001cd65e0 from pc 0xffffffff8316080a KASAN: first bad byte at 0xffff800001cd65f0 (+16); shadow 0xfb: malloc redzone (out-of-bounds) KASAN: 0xffff800001cd65f0 is 16 bytes inside the 32-byte malloc slot [0xffff800001cd65e0..0xffff800001cd6600) KASAN: allocated at: #0 malloc+0xda0 sys/kern/kern_malloc.c:446 #1 sysctl_sysvipc+0x619 sys/kern/kern_sysctl.c:2766 #2 kern_sysctl_dirs+0x30f sys/kern/kern_sysctl.c:429 #3 kern_sysctl+0x1ce sys/kern/kern_sysctl.c:529 #4 sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 #5 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #6 Xsyscall+0x128 KASAN: pc: sysctl_sysvipc+0x63a KASAN: call trace: #0 kasan_memcpy+0x1ca kasan_shadow_check sys/kern/subr_kasan.c:-1 [inline] #0 kasan_memcpy+0x1ca sys/kern/subr_kasan.c:1025 #1 sysctl_sysvipc+0x63a sys/kern/kern_sysctl.c:2771 #2 kern_sysctl_dirs+0x30f sys/kern/kern_sysctl.c:429 #3 kern_sysctl+0x1ce sys/kern/kern_sysctl.c:529 #4 sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 #5 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #6 Xsyscall+0x128 KASAN: shadow of 0xffff800001cd6480..0xffff800001cd6700 (1 cell = 8 bytes): 0xffff800001cd6480: 08 04 fb fc fc 08 fc fc 08 08 08 fb fc 08 fc fc 0xffff800001cd6500: fc 08 fc fc 08 08 fb fc 08 08 fb fe 08 08 fb fe >0xffff800001cd6580: 08 08 fb fe 08 08 fb fe 08 08 fb fe 08 08[fb]fc 0xffff800001cd6600: 08 08 fb fc 08 04 fb fc 08 08 08 fb fc 08 fc fc 0xffff800001cd6680: 08 08 08 fb fc 08 fc fc fc 08 fc fc 08 08 08 fb KASAN: legend: 00 valid; 01..07 partial; fb malloc redzone; fc malloc freed; fd pool freed; fe kmem; fa global; f1..f4/f8 stack/scope ddb{1}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84632646) at panic+0x270 sys/kern/subr_prf.c:198 kasan_memcpy(ffff800001cd65e0,ffff80003bc90630,14) at kasan_memcpy+0x1ec sysctl_sysvipc(ffff80003bc90ca8,1,200000000180,ffff80003bc90c80) at sysctl_sysvipc+0x63a sys/kern/kern_sysctl.c:2771 kern_sysctl_dirs(33,ffff80003bc90ca8,1,200000000180,ffff80003bc90c80,0,1,1ffff0000779210c) at kern_sysctl_dirs+0x30f sys/kern/kern_sysctl.c:429 kern_sysctl(ffff80003bc90ca4,2,200000000180,ffff80003bc90c80,0,fffa,ffff80003bc90f00) at kern_sysctl+0x1ce sys/kern/kern_sysctl.c:529 sys_sysctl(ffff800045ff6a80,ffff80003bc90f00,ffff80003bc90e60) at sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 syscall(ffff80003bc90f00) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bc90f00) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x27f8a284580, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003bc903f0 rbx 0xffff80003bc90460 rdx 0 rcx 0xffff800028fe3ff0 rax 0xffff80000016f000 r8 0x101010101010101 r9 0x8080808080808080 r10 0xffff80003bc901d8 r11 0xffffffff83e54b70 x86_bus_space_io_read_1 r12 0xffffffff84632646 .str.7+0x9a1c6 r13 0xffff800028fe4c08 r14 0xffff800028fe4e07 r15 0x1 rip 0xffffffff82f1b577 db_enter+0x17 cs 0x8 rflags 0x246 rsp 0xffff80003bc903f0 ss 0x10 db_enter+0x17: popq %rbp ddb{1}> show proc PROC (syz-executor) tid=407453 pid=96165 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800045ff67e8,0xffff800045fedcc8 process=0xffff800045fe89c8 user=0xffff80003bc85000, vmspace=0xffff800001c8b7c0 estcpu=34, cpticks=46, pctcpu=0.1, user=0, sys=46, intr=0 ddb{1}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 29904 391557 47375 0 2 0 0 syz-executor 29904 68990 47375 0 7 0 0x4000000 syz-executor 7582 160291 69631 0 2 0 0 syz-executor 7582 373254 69631 0 3 0 0x4000080 fsleep syz-executor 52445 25026 27902 0 2 0 0xc80 syz-executor 52445 66792 27902 0 3 0 0x4000080 kqread syz-executor 52445 283176 27902 0 3 0 0x4000080 fsleep syz-executor 86802 7478 782 0 2 0 0 syz-executor 86802 515179 782 0 3 0 0x4000080 fsleep syz-executor 86802 346421 782 0 3 0 0x4000080 fsleep syz-executor 96165 146527 73278 0 2 0 0 syz-executor *96165 407453 73278 0 7 0 0x4000000 syz-executor 20499 165274 67394 0 2 0 0 syz-executor 20499 212676 67394 0 3 0 0x4000080 fsleep syz-executor 32067 197055 0 0 3 0x14000 0x280 nfsidl nfsio 48691 409812 0 0 3 0x14000 0x280 nfsidl nfsio 80432 231263 0 0 3 0x14000 0x280 nfsidl nfsio 96615 518117 0 0 3 0x14000 0x280 nfsidl nfsio 76565 190434 0 0 3 0x14000 0x280 nfsidl nfsio 82973 128405 0 0 3 0x14000 0x280 nfsidl nfsio 66549 269393 0 0 3 0x14000 0x280 nfsidl nfsio 15654 137127 0 0 3 0x14000 0x280 nfsidl nfsio 80528 507681 0 0 3 0x14000 0x280 nfsidl nfsio 27950 351124 0 0 3 0x14000 0x280 nfsidl nfsio 36235 199096 0 0 3 0x14000 0x280 nfsidl nfsio 92855 443867 0 0 3 0x14000 0x280 nfsidl nfsio 299 269224 0 0 3 0x14000 0x280 nfsidl nfsio 700 102446 0 0 3 0x14000 0x280 nfsidl nfsio 11902 223053 0 0 3 0x14000 0x280 nfsidl nfsio 17780 57677 0 0 3 0x14000 0x280 nfsidl nfsio 34524 87743 0 0 3 0x14000 0x280 nfsidl nfsio 50375 397695 0 0 3 0x14000 0x280 nfsidl nfsio 32026 227475 0 0 3 0x14000 0x280 nfsidl nfsio 81886 340340 0 0 3 0x14000 0x280 nfsidl nfsio 67394 356546 63764 0 2 0x2 0xc80 syz-executor 99781 269758 63764 0 2 0x10000002 0xc80 syz-executor 47375 190628 63764 0 2 0x2 0xc80 syz-executor 18483 112639 63764 0 3 0x2 0x80 wait syz-executor 69631 83864 63764 0 2 0x2 0xc80 syz-executor 73278 103306 63764 0 2 0x2 0xc80 syz-executor 27902 5782 63764 0 2 0x2 0xc80 syz-executor 782 363256 63764 0 2 0x2 0xc80 syz-executor 63764 61912 54372 0 3 0x2 0x80 kqread syz-executor 54372 442387 27593 0 3 0x100002 0x88 sigsusp ksh 27593 392439 93402 0 3 0x10 0x88 kqread sshd-session 93402 12732 81426 0 3 0x12 0x80 kqread sshd-session 29577 403243 1 0 3 0x100003 0x80 ttyin getty 81426 140748 1 0 3 0 0x88 kqread sshd 41720 211704 53971 74 3 0x1100012 0x80 bpf pflogd 53971 227738 1 0 3 0 0x80 sbwait pflogd 30106 52897 541 73 2 0x1100010 0 syslogd 541 409950 1 0 3 0x100002 0x80 sbwait syslogd 23403 56494 1 0 3 0x100000 0x80 kqread resolvd 152 35512 36659 77 3 0x100012 0x80 kqread dhcpleased 60479 40211 36659 77 3 0x100012 0x80 kqread dhcpleased 36659 444496 1 0 3 0 0x80 kqread dhcpleased 32160 457702 0 0 2 0x14000 0x40000200 smr 31637 18442 0 0 2 0x14000 0x200 zerothread 34042 426484 0 0 3 0x14000 0x200 aiodoned aiodoned 34828 232025 0 0 2 0x14000 0xe00 update 82687 39696 0 0 3 0x14000 0x200 cleaner cleaner 12134 81840 0 0 3 0x14000 0x200 reaper reaper 5327 418618 0 0 3 0x14000 0x200 pgdaemon pagedaemon 76307 277584 0 0 3 0x14000 0x200 bored viomb 16079 157475 0 0 3 0x14000 0x40000200 acpi0 acpi0 49339 335600 0 0 3 0x14000 0x40000200 idle1 64964 356547 0 0 3 0x14000 0x200 bored softnet1 50006 211812 0 0 2 0x14000 0x200 softnet0 14723 36206 0 0 2 0x14000 0x200 systqmp 16354 393672 0 0 3 0x14000 0x200 bored systq 50215 133242 0 0 2 0x14000 0x200 softclockmp 18199 483361 0 0 3 0x14000 0x40000200 tmoslp softclock 47684 299440 0 0 3 0x14000 0x40000200 idle0 1 453206 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{1}> show all locks Process 29904 (syz-executor) thread 0xffff800045ff6020 (68990) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff85d52380) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 doopenat+0x445 sys/kern/vfs_syscalls.c:1163 #2 sys_openat+0xaa sys/kern/vfs_syscalls.c:1102 #3 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #4 Xsyscall+0x128 Process 30106 (syslogd) thread 0xffff800029913c98 (52897) exclusive rrwlock inode r = 0 (0xffff8000018b56c8) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527 #4 vn_lock+0xca sys/kern/vfs_vnops.c:576 #5 sys_fsync+0x200 sys/kern/vfs_syscalls.c:2890 #6 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11060 12260K 12435K 166960K 12316 0 pcb 17 24K 24K 166960K 27 0 rtable 215 11K 13K 166960K 359 0 pf 32 21K 24K 166960K 56 0 ifaddr 39 11K 12K 166960K 47 0 ifgroup 51 2K 2K 166960K 64 0 sysctl 1 1K 13K 166960K 6 0 counters 68 42K 43K 166960K 74 0 ioctlops 0 0K 4K 166960K 1561 0 iov 0 0K 2K 166960K 65 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1330 86K 86K 166960K 1447 0 UFS quota 1 36K 36K 166960K 1 0 UFS mount 5 44K 44K 166960K 5 0 shm 2 2K 10K 166960K 7 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 17 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 292K 166960K 11964 0 file desc 17 61K 97K 166960K 212 0 sigio 1 0K 0K 166960K 3 0 proc 71 128K 177K 166960K 563 0 subproc 72 9K 9K 166960K 73 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 20K 20K 166960K 1 0 in_multi 88 6K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 4 0 ISOFS mount 1 36K 36K 166960K 1 0 MSDOSFS mount 1 20K 20K 166960K 1 0 ttys 73 506K 506K 166960K 73 0 exec 0 0K 2K 166960K 398 0 fusefs mount 1 36K 36K 166960K 1 0 tdb 3 1K 1K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 228 256K 280K 166960K 3863 0 UVM aobj 10 4K 4K 166960K 10 0 pinsyscall 1066 1746K 1748K 166960K 1408 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 11 0K 2K 166960K 30 0 temp 35 9162K 9176K 166960K 4238 0 kqueue 15 45K 53K 166960K 48 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 28 0 0 1 0 1 1 0 8 0 rtpcb 120 104 0 101 3 0 3 3 0 8 2 rtentry 176 111 0 12 5 0 5 5 0 8 0 unpcb 144 102 0 83 3 1 2 2 0 8 1 syncache 336 4 0 4 2 2 0 1 0 8 0 tcpcb 736 12 0 8 1 0 1 1 0 8 0 arp 136 18 0 2 1 0 1 1 0 8 0 inpcb 328 97 0 89 1 0 1 1 0 8 0 nd6 152 24 0 3 1 0 1 1 0 8 0 kcovpl 48 8 0 0 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 21 0 0 1 0 1 1 0 8 0 pfstkey 128 21 0 0 1 0 1 1 0 8 0 pfstate 448 21 0 0 3 0 3 3 0 8 0 pfrule 1360 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 453 0 44 29 0 29 29 0 8 1 art_table 40 454 0 44 5 0 5 5 0 8 0 art_node 32 111 0 21 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 1 0 1 1 0 8 1 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 72 14 0 4 1 0 1 1 0 8 0 shmpl 112 7 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1697 0 226 93 0 93 93 0 8 0 ffsino 296 1697 0 226 114 0 114 114 0 8 0 nchpl 144 2003 0 298 64 0 64 64 0 8 0 vnodes 216 1851 0 0 103 0 103 103 0 8 0 namei 1024 6306 0 6306 3 2 1 2 0 8 1 percpumem 16 53 0 3 1 0 1 1 0 8 0 kstatmem 264 31 0 6 2 0 2 2 0 8 0 scxspl 216 7269 0 7269 5 4 1 3 1 8 1 plimitpl 152 64 0 47 1 0 1 1 0 8 0 sigapl 424 561 0 493 8 0 8 8 0 8 0 knotepl 120 78 0 0 3 0 3 3 0 8 0 kqueuepl 224 83 0 71 3 0 3 3 0 8 2 pipepl 344 141 0 111 3 0 3 3 0 8 0 fdescpl 528 525 0 494 3 0 3 3 0 8 0 filepl 160 2229 0 1997 13 0 13 13 0 8 2 lockfpl 104 32 0 30 1 0 1 1 0 8 0 lockfspl 48 15 0 13 1 0 1 1 0 8 0 sessionpl 144 93 0 83 1 0 1 1 0 8 0 pgrppl 48 102 0 84 1 0 1 1 0 8 0 ucredpl 104 181 0 167 1 0 1 1 0 8 0 zombiepl 144 495 0 493 1 0 1 1 0 8 0 processpl 1232 561 0 493 6 0 6 6 0 8 0 procpl 664 694 0 618 7 0 7 7 0 8 0 sockpl 752 304 0 274 11 1 10 10 0 8 6 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 122 0 0 16 0 16 16 0 8 0 mcl2k 2048 17 0 0 3 0 3 3 0 8 0 mextrefs 64 17 0 0 1 0 1 1 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 132 0 0 9 0 9 9 0 8 0 bufpl 272 2468 0 105 158 0 158 158 0 8 0 anonpl 32 4388 0 0 36 0 36 36 0 222 0 amapchunkpl 152 10812 0 10350 22 1 21 21 0 158 1 amappl16 200 1926 0 1899 5 3 2 5 0 8 0 amappl15 192 28 0 28 2 2 0 1 0 8 0 amappl14 184 443 0 442 1 0 1 1 0 8 0 amappl13 176 128 0 116 1 0 1 1 0 8 0 amappl12 168 780 0 750 2 0 2 2 0 8 0 amappl11 160 7 0 7 1 1 0 1 0 8 0 amappl10 152 66 0 52 1 0 1 1 0 8 0 amappl9 144 275 0 274 1 0 1 1 0 8 0 amappl8 136 106 0 104 1 0 1 1 0 8 0 amappl7 128 191 0 176 1 0 1 1 0 8 0 amappl6 120 182 0 179 1 0 1 1 0 8 0 amappl5 112 110 0 99 1 0 1 1 0 8 0 amappl4 104 305 0 284 1 0 1 1 0 8 0 amappl3 96 1974 0 1863 3 0 3 3 0 8 0 amappl2 88 581 0 518 2 0 2 2 0 8 0 amappl1 80 11080 0 10472 16 2 14 16 0 8 0 amappl 88 3092 0 2936 4 0 4 4 0 92 0 uvmvnodes 80 101 0 0 3 0 3 3 0 8 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 72 9 0 0 1 0 1 1 0 8 0 uaddrrnd 24 525 0 494 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 525 0 494 1 0 1 1 0 8 0 vmmpekpl 168 6399 0 6359 2 0 2 2 0 8 0 vmmpepl 168 43419 0 41501 92 5 87 89 0 357 0 vmsppl 488 524 0 494 5 0 5 5 0 8 0 rwobjpl 80 15787 0 14749 25 1 24 25 0 8 0 pdppl 4096 1058 0 988 100 28 72 88 0 8 2 pvpl 32 11976 0 0 97 0 97 97 0 265 0 pmappl 256 524 0 494 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 120 432 0 35 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x19: leave x86_ipi_db(ffffffff851e9ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 x86_bus_space_io_read_4(b008,0) at x86_bus_space_io_read_4+0x29 sys/arch/amd64/amd64/bus_space.c:682 acpitimer_delay(3e8) at acpitimer_delay+0x30e acpitimer_read sys/dev/acpi/acpitimer.c:146 [inline] acpitimer_delay(3e8) at acpitimer_delay+0x30e sys/dev/acpi/acpitimer.c:125 pckbc_poll_cmd1(ffff800000d30100,0,ffff800037b0ff20) at pckbc_poll_cmd1+0x5c7 pckbc_poll_data1 sys/dev/ic/pckbc.c:148 [inline] pckbc_poll_cmd1(ffff800000d30100,0,ffff800037b0ff20) at pckbc_poll_cmd1+0x5c7 sys/dev/ic/pckbc.c:620 pckbc_poll_cmd(ffff800000d30100,0,ffff800037b10060,1,0,0,1ffff00006f62008) at pckbc_poll_cmd+0x164 sys/dev/ic/pckbc.c:692 pckbd_enable(ffff80000016f500,1) at pckbd_enable+0x1fc sys/dev/pckbc/pckbd.c:502 wskbd_do_open(ffff800000d29400,ffff800000d29450) at wskbd_do_open+0x1a5 wskbd_enable sys/dev/wscons/wskbd.c:814 [inline] wskbd_do_open(ffff800000d29400,ffff800000d29450) at wskbd_do_open+0x1a5 sys/dev/wscons/wskbd.c:890 wskbdopen(4300,1,2000,ffff800045ff6020) at wskbdopen+0x1fb sys/dev/wscons/wskbd.c:872 spec_open(ffff800037b10280) at spec_open+0x482 sys/kern/spec_vnops.c:150 VOP_OPEN(ffff800001a0f108,1,ffff800000119680,ffff800045ff6020) at VOP_OPEN+0x10a sys/kern/vfs_vops.c:138 vn_open(ffff800037b106d0,1,0) at vn_open+0x9da sys/kern/vfs_vnops.c:183 doopenat(ffff800045ff6020,ffffff9c,200000000080,0,0,0,ffff800045ff6020) at doopenat+0x460 sys/kern/vfs_syscalls.c:1163 end trace frame: 0xffff800037b108b0, count: 0 ddb{0}> trace x86_ipi_db(ffffffff851e9ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 x86_bus_space_io_read_4(b008,0) at x86_bus_space_io_read_4+0x29 sys/arch/amd64/amd64/bus_space.c:682 acpitimer_delay(3e8) at acpitimer_delay+0x30e acpitimer_read sys/dev/acpi/acpitimer.c:146 [inline] acpitimer_delay(3e8) at acpitimer_delay+0x30e sys/dev/acpi/acpitimer.c:125 pckbc_poll_cmd1(ffff800000d30100,0,ffff800037b0ff20) at pckbc_poll_cmd1+0x5c7 pckbc_poll_data1 sys/dev/ic/pckbc.c:148 [inline] pckbc_poll_cmd1(ffff800000d30100,0,ffff800037b0ff20) at pckbc_poll_cmd1+0x5c7 sys/dev/ic/pckbc.c:620 pckbc_poll_cmd(ffff800000d30100,0,ffff800037b10060,1,0,0,1ffff00006f62008) at pckbc_poll_cmd+0x164 sys/dev/ic/pckbc.c:692 pckbd_enable(ffff80000016f500,1) at pckbd_enable+0x1fc sys/dev/pckbc/pckbd.c:502 wskbd_do_open(ffff800000d29400,ffff800000d29450) at wskbd_do_open+0x1a5 wskbd_enable sys/dev/wscons/wskbd.c:814 [inline] wskbd_do_open(ffff800000d29400,ffff800000d29450) at wskbd_do_open+0x1a5 sys/dev/wscons/wskbd.c:890 wskbdopen(4300,1,2000,ffff800045ff6020) at wskbdopen+0x1fb sys/dev/wscons/wskbd.c:872 spec_open(ffff800037b10280) at spec_open+0x482 sys/kern/spec_vnops.c:150 VOP_OPEN(ffff800001a0f108,1,ffff800000119680,ffff800045ff6020) at VOP_OPEN+0x10a sys/kern/vfs_vops.c:138 vn_open(ffff800037b106d0,1,0) at vn_open+0x9da sys/kern/vfs_vnops.c:183 doopenat(ffff800045ff6020,ffffff9c,200000000080,0,0,0,ffff800045ff6020) at doopenat+0x460 sys/kern/vfs_syscalls.c:1163 sys_openat(ffff800045ff6020,ffff800037b10a30,ffff800037b109a0) at sys_openat+0xaa sys/kern/vfs_syscalls.c:1102 syscall(ffff800037b10a30) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800037b10a30) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2039aa7e390, count: -17 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x17: popq %rbp db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84632646) at panic+0x270 sys/kern/subr_prf.c:198 kasan_memcpy(ffff800001cd65e0,ffff80003bc90630,14) at kasan_memcpy+0x1ec sysctl_sysvipc(ffff80003bc90ca8,1,200000000180,ffff80003bc90c80) at sysctl_sysvipc+0x63a sys/kern/kern_sysctl.c:2771 kern_sysctl_dirs(33,ffff80003bc90ca8,1,200000000180,ffff80003bc90c80,0,1,1ffff0000779210c) at kern_sysctl_dirs+0x30f sys/kern/kern_sysctl.c:429 kern_sysctl(ffff80003bc90ca4,2,200000000180,ffff80003bc90c80,0,fffa,ffff80003bc90f00) at kern_sysctl+0x1ce sys/kern/kern_sysctl.c:529 sys_sysctl(ffff800045ff6a80,ffff80003bc90f00,ffff80003bc90e60) at sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 syscall(ffff80003bc90f00) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bc90f00) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x27f8a284580, count: 6 ddb{1}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84632646) at panic+0x270 sys/kern/subr_prf.c:198 kasan_memcpy(ffff800001cd65e0,ffff80003bc90630,14) at kasan_memcpy+0x1ec sysctl_sysvipc(ffff80003bc90ca8,1,200000000180,ffff80003bc90c80) at sysctl_sysvipc+0x63a sys/kern/kern_sysctl.c:2771 kern_sysctl_dirs(33,ffff80003bc90ca8,1,200000000180,ffff80003bc90c80,0,1,1ffff0000779210c) at kern_sysctl_dirs+0x30f sys/kern/kern_sysctl.c:429 kern_sysctl(ffff80003bc90ca4,2,200000000180,ffff80003bc90c80,0,fffa,ffff80003bc90f00) at kern_sysctl+0x1ce sys/kern/kern_sysctl.c:529 sys_sysctl(ffff800045ff6a80,ffff80003bc90f00,ffff80003bc90e60) at sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 syscall(ffff80003bc90f00) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bc90f00) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x27f8a284580, count: -9