uvm_fault(0xffffffff836190a8, 0xffff800024d02300, 0, 1) -> d kernel: page fault trap, code=0 Stopped at memcpy+0x19: repe movsq (%rsi),%es:(%rdi) TID PID UID PRFLAGS PFLAGS CPU COMMAND 178278 85826 0 0 0 0 syz-executor *486644 86942 0 0x10 0x4000000 1K syz-executor memcpy() at memcpy+0x19 ffs_inode_alloc(fffffd807a81cde0,2000,fffffd807f7d3548,ffff80002a0c8a90) at ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 ufs_makeinode(2000,fffffd8072c8ebf8,ffff80002a0c8cb0,ffff80002a0c8ce0) at ufs_makeinode+0xcb sys/ufs/ufs/ufs_vnops.c:1733 ufs_mknod(ffff80002a0c8b50) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 VOP_MKNOD(fffffd8072c8ebf8,ffff80002a0c8cb0,ffff80002a0c8ce0,ffff80002a0c8be0) at VOP_MKNOD+0x102 sys/kern/vfs_vops.c:121 domknodat(ffff8000ffffcf40,ffffff9c,20000000,2000,801) at domknodat+0x47e sys/kern/vfs_syscalls.c:1624 syscall(ffff80002a0c8e80) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0c8e80) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x10023323a4c0, count: 7 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: uvm_fault(0xffffffff836190a8, 0xffff800024d02300, 0, 1) -> d ddb{1}> trace memcpy() at memcpy+0x19 ffs_inode_alloc(fffffd807a81cde0,2000,fffffd807f7d3548,ffff80002a0c8a90) at ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 ufs_makeinode(2000,fffffd8072c8ebf8,ffff80002a0c8cb0,ffff80002a0c8ce0) at ufs_makeinode+0xcb sys/ufs/ufs/ufs_vnops.c:1733 ufs_mknod(ffff80002a0c8b50) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 VOP_MKNOD(fffffd8072c8ebf8,ffff80002a0c8cb0,ffff80002a0c8ce0,ffff80002a0c8be0) at VOP_MKNOD+0x102 sys/kern/vfs_vops.c:121 domknodat(ffff8000ffffcf40,ffffff9c,20000000,2000,801) at domknodat+0x47e sys/kern/vfs_syscalls.c:1624 syscall(ffff80002a0c8e80) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0c8e80) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x10023323a4c0, count: -8 ddb{1}> show registers rdi 0xfffffd805af46100 rsi 0xffff800024d02300 rbp 0xffff80002a0c88c0 rbx 0 rdx 0x100 rcx 0x20 rax 0x32b r8 0xffffffff824e5520 uvm_map_inentry_sp r9 0x1 r10 0x83a593a6f99ff45e r11 0xfffffd805af46100 r12 0xffff800000a5e000 r13 0xffff800000a5f000 r14 0xfffffd806c0974a0 r15 0xfffffd807a81cef0 rip 0xffffffff81fde5d9 memcpy+0x19 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80002a0c8838 ss 0x10 memcpy+0x19: repe movsq (%rsi),%es:(%rdi) ddb{1}> show proc PROC (syz-executor) tid=486644 pid=86942 tcnt=3 stat=onproc flags process=10 proc=4000000 runpri=86, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003421f1e8,0xffff8000ffffd460 process=0xffff8000ffff5b48 user=0xffff80002a0c3000, vmspace=0xfffffd8066d0fa58 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 56446 315285 36099 0 2 0 syz-executor 56446 344475 36099 0 2 0x4000000 syz-executor 56446 333503 36099 0 2 0x4000000 syz-executor 56446 456204 36099 0 2 0x4000000 syz-executor 82777 263079 76210 0 2 0 syz-executor 82777 384932 76210 0 2 0x4000000 syz-executor 82777 217858 76210 0 3 0x4000080 fsleep syz-executor 11450 42804 9218 0 2 0 syz-executor 11450 350547 9218 0 2 0x4000000 syz-executor 11450 24731 9218 0 3 0x4000080 fsleep syz-executor 85826 178278 85092 0 7 0 syz-executor 85826 364328 85092 0 2 0x4000000 syz-executor 85826 148577 85092 0 3 0x4000080 fsleep syz-executor 86942 267380 37428 0 2 0x10 syz-executor *86942 486644 37428 0 7 0x4000010 syz-executor 86942 440240 37428 0 3 0x4000090 fsleep syz-executor 94664 62666 98501 0 2 0 syz-executor 94664 2689 98501 0 2 0x4000000 syz-executor 94664 326309 98501 0 3 0x4000080 fsleep syz-executor 94664 149293 98501 0 3 0x4000080 fsleep syz-executor 9218 410377 50746 0 2 0x3 syz-executor 36099 166648 50746 0 3 0x82 nanoslp syz-executor 76210 287894 50746 0 3 0x82 nanoslp syz-executor 85092 377496 50746 0 2 0x3 syz-executor 98501 394516 50746 0 2 0x3 syz-executor 37428 491847 50746 0 2 0x3 syz-executor 20882 114134 50746 0 3 0x82 nanoslp syz-executor 99625 142610 50746 0 3 0x82 wait syz-executor 38549 123469 1 0 3 0x100083 ttyin getty 69696 169179 0 0 3 0x14200 bored sosplice 79237 479455 0 0 3 0x14280 nfsidl nfsio 34991 381751 0 0 3 0x14280 nfsidl nfsio 69152 33342 0 0 3 0x14280 nfsidl nfsio 87922 451625 0 0 3 0x14280 nfsidl nfsio 10312 288969 0 0 3 0x14280 nfsidl nfsio 750 350967 0 0 3 0x14280 nfsidl nfsio 52467 30809 0 0 3 0x14280 nfsidl nfsio 39807 304049 0 0 3 0x14280 nfsidl nfsio 45470 381702 0 0 3 0x14280 nfsidl nfsio 85241 229090 0 0 3 0x14280 nfsidl nfsio 84649 401961 0 0 3 0x14280 nfsidl nfsio 52373 122006 0 0 3 0x14280 nfsidl nfsio 38890 112143 0 0 3 0x14280 nfsidl nfsio 12162 210786 0 0 3 0x14280 nfsidl nfsio 72719 167957 0 0 3 0x14280 nfsidl nfsio 1270 335017 0 0 3 0x14280 nfsidl nfsio 12052 4495 0 0 3 0x14280 nfsidl nfsio 59675 238185 0 0 3 0x14280 nfsidl nfsio 43354 31380 0 0 3 0x14280 nfsidl nfsio 65976 475242 0 0 3 0x14280 nfsidl nfsio 50746 294296 2662 0 3 0x82 kqread syz-executor 2662 46452 21568 0 3 0x10008a sigsusp ksh 21568 355382 95285 0 3 0x98 kqread sshd-session 95285 187274 54210 0 3 0x92 kqread sshd-session 54210 39851 1 0 3 0x88 kqread sshd 72407 499351 91342 74 3 0x1100092 bpf pflogd 91342 148894 1 0 3 0x80 sbwait pflogd 5217 159014 83351 73 3 0x1100090 kqread syslogd 83351 480113 1 0 3 0x100082 sbwait syslogd 59406 356473 1 0 3 0x100080 kqread resolvd 59080 428463 76555 77 3 0x100092 kqread dhcpleased 66791 465206 76555 77 3 0x100092 kqread dhcpleased 76555 412847 1 0 3 0x80 kqread dhcpleased 37310 447074 0 0 3 0x14200 bored smr 75226 450035 0 0 3 0x14200 pgzero zerothread 94468 105575 0 0 3 0x14200 aiodoned aiodoned 30490 327490 0 0 3 0x14200 syncer update 84288 10653 0 0 3 0x14200 cleaner cleaner 68097 235414 0 0 3 0x14200 reaper reaper 78856 217042 0 0 3 0x14200 pgdaemon pagedaemon 65505 146128 0 0 3 0x14200 bored viomb 50609 73246 0 0 3 0x40014200 acpi0 acpi0 72580 211630 0 0 3 0x40014200 idle1 19295 429475 0 0 3 0x14200 bored softnet3 47822 377732 0 0 3 0x14200 bored softnet2 80204 252811 0 0 3 0x14200 bored softnet1 60426 380597 0 0 3 0x14200 bored softnet0 60309 43390 0 0 3 0x14200 bored systqmp 95233 510950 0 0 3 0x14200 bored systq 44778 401418 0 0 3 0x14200 tmoslp softclockmp 46090 350833 0 0 3 0x40014200 tmoslp softclock 77248 323362 0 0 3 0x40014200 idle0 1 240131 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 85826 (syz-executor) thread 0xffff80003421f1e8 (364328) exclusive rwlock futex r = 0 (0xffffffff8344d620) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 sys_futex+0x69 sys/kern/sys_futex.c:98 #2 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #2 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #3 Xsyscall+0x128 Process 86942 (syz-executor) thread 0xffff8000ffffcf40 (486644) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8362f4e0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 __mp_acquire_count+0x58 #2 mi_switch+0x658 sys/kern/sched_bsd.c:460 #3 yield+0x6a sys/kern/sched_bsd.c:320 #4 pool_get+0x242 sys/kern/subr_pool.c:589 #5 ffs_vget+0x320 sys/ufs/ffs/ffs_vfsops.c:1264 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_makeinode+0xcb sys/ufs/ufs/ufs_vnops.c:1733 #8 ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 #9 VOP_MKNOD+0x102 sys/kern/vfs_vops.c:121 #10 domknodat+0x47e sys/kern/vfs_syscalls.c:1624 #11 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #11 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807a81cf88) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:169 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_makeinode+0xcb sys/ufs/ufs/ufs_vnops.c:1733 #8 ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 #9 VOP_MKNOD+0x102 sys/kern/vfs_vops.c:121 #10 domknodat+0x47e sys/kern/vfs_syscalls.c:1624 #11 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #11 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807a81ce78) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domknodat+0xb4 sys/kern/vfs_syscalls.c:1576 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10233 10240K 10441K 166960K 12397 0 pcb 17 12K 12K 166960K 183 0 rtable 230 7K 7K 166960K 1306 0 pf 38 18K 22K 166960K 139 0 ifaddr 45 8K 8K 166960K 176 0 ifgroup 63 2K 2K 166960K 195 0 sysctl 3 0K 0K 166960K 3 0 counters 66 36K 36K 166960K 138 0 ioctlops 0 0K 4K 166960K 1706 0 iov 0 0K 32K 166960K 98 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1367 86K 87K 166960K 2499 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 29 0 dirhash 12 2K 2K 166960K 27 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 18 65K 97K 166960K 1409 0 sigio 0 0K 0K 166960K 21 0 proc 72 91K 140K 166960K 1420 0 subproc 104 6K 6K 166960K 481 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 214 0 in_multi 99 7K 7K 166960K 454 0 ether_multi 1 0K 0K 166960K 6 0 mrt 1 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 235 1049K 1049K 166960K 235 0 exec 0 0K 1K 166960K 878 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 270 74K 92K 166960K 13423 0 UVM aobj 5 3K 3K 166960K 5 0 pinsyscall 43 86K 108K 166960K 3241 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 65 0 NDP 13 0K 1K 166960K 123 0 temp 56 6818K 6944K 166960K 73624 0 kqueue 13 20K 28K 166960K 157 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 219 0 214 3 2 1 3 0 8 0 rtentry 112 460 0 355 4 0 4 4 0 8 1 unpcb 144 802 0 780 9 5 4 4 0 8 2 syncache 336 8 0 8 6 5 1 1 0 8 1 tcpqe 32 3 0 3 2 1 1 1 0 8 1 tcpcb 808 378 0 368 11 9 2 7 0 8 0 arp 120 81 0 63 1 0 1 1 0 8 0 inpcb 336 1172 0 1156 11 8 3 7 0 8 1 nd6 136 118 0 92 1 0 1 1 0 8 0 pkpcb 40 4 0 4 3 2 1 1 0 8 1 kcovpl 48 37 0 29 1 0 1 1 0 8 0 ppxss 1168 6 0 6 4 3 1 1 0 8 1 pffrag 232 9 0 6 1 0 1 1 0 482 0 pffrnode 88 7 0 5 1 0 1 1 0 8 0 pffrent 40 12 0 9 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 pfrktable 1344 1 0 0 1 0 1 1 0 8 0 pfanchor 1288 1 0 1 1 1 0 1 0 8 0 pftag 88 1 0 1 1 1 0 1 0 8 0 pfstitem 24 118 0 79 1 0 1 1 0 8 0 pfstkey 128 118 0 79 2 0 2 2 0 8 0 pfstate 376 118 0 79 5 0 5 5 0 8 0 pfrule 1344 30 0 23 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1802 0 1347 35 5 30 30 0 8 1 art_table 32 1803 0 1347 4 0 4 4 0 8 0 art_node 16 456 0 364 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 6 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 23 0 13 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 3248 0 1684 98 0 98 98 0 8 0 ffsino 272 3248 0 1684 105 0 105 105 0 8 0 nchpl 144 4722 0 3002 65 0 65 65 0 8 0 uvmvnodes 80 4093 0 0 84 0 84 84 0 8 0 vnodes 216 4093 0 0 228 0 228 228 0 8 0 namei 1024 17857 0 17856 5 4 1 1 0 8 0 percpumem 16 83 0 36 1 0 1 1 0 8 0 kstatmem 264 98 0 72 2 0 2 2 0 8 0 scsiplug 72 5 0 5 3 2 1 1 0 8 1 scxspl 216 29168 0 29168 10 9 1 8 1 8 1 plimitpl 152 173 0 154 1 0 1 1 0 8 0 sigapl 424 1676 0 1605 9 0 9 9 0 8 0 futexpl 64 13268 0 13261 4 3 1 1 0 8 0 knotepl 120 579 0 0 16 0 16 16 0 8 0 kqueuepl 216 274 0 263 2 1 1 2 0 8 0 pipepl 320 416 0 389 8 5 3 6 0 8 0 fdescpl 496 1635 0 1603 6 1 5 6 0 8 0 filepl 152 8867 0 8596 22 9 13 14 0 8 2 lockfpl 104 364 0 361 1 0 1 1 0 8 0 lockfspl 48 160 0 157 1 0 1 1 0 8 0 sessionpl 144 55 0 46 1 0 1 1 0 8 0 pgrppl 48 99 0 82 1 0 1 1 0 8 0 ucredpl 104 1602 0 1588 1 0 1 1 0 8 0 zombiepl 144 2094 0 2092 2 1 1 1 0 8 0 processpl 1160 1676 0 1605 6 0 6 6 0 8 0 procpl 648 3255 0 3170 9 1 8 9 0 8 0 sosppl 168 6 0 6 3 2 1 1 0 8 1 sockpl 664 2204 0 2161 28 19 9 12 0 8 5 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 285 0 0 30 0 30 30 0 8 0 mtagpl 96 77 0 0 2 0 2 2 0 8 0 mbufpl 256 385 0 0 19 0 19 19 0 8 0 bufpl 280 7959 0 1785 442 0 442 442 0 8 0 anonpl 24 320403 0 313401 125 48 77 96 0 185 25 amapchunkpl 152 44254 0 43571 58 24 34 42 0 158 6 amappl16 200 7256 0 7129 35 20 15 20 0 8 4 amappl15 192 13 0 13 2 2 0 1 0 8 0 amappl14 184 180 0 168 1 0 1 1 0 8 0 amappl13 176 14 0 14 1 1 0 1 0 8 0 amappl12 168 2794 0 2762 4 2 2 3 0 8 0 amappl11 160 61 0 47 1 0 1 1 0 8 0 amappl10 152 51 0 51 1 1 0 1 0 8 0 amappl9 144 135 0 135 1 1 0 1 0 8 0 amappl8 136 26 0 23 1 0 1 1 0 8 0 amappl7 128 216 0 204 1 0 1 1 0 8 0 amappl6 120 452 0 450 1 0 1 1 0 8 0 amappl5 112 257 0 245 1 0 1 1 0 8 0 amappl4 104 413 0 394 1 0 1 1 0 8 0 amappl3 96 8635 0 8507 4 0 4 4 0 8 0 amappl2 88 1106 0 1038 2 0 2 2 0 8 0 amappl1 80 13616 0 13043 15 1 14 14 0 8 0 amappl 88 12736 0 12528 6 1 5 5 0 92 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 4 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1636 0 1604 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1636 0 1604 1 0 1 1 0 8 0 vmmpekpl 168 15300 0 15250 5 1 4 4 0 8 0 vmmpepl 168 111056 0 109000 108 12 96 101 0 357 6 vmsppl 440 1635 0 1604 6 2 4 5 0 8 0 rwobjpl 56 37891 0 32718 73 0 73 73 0 8 0 pdppl 4096 3279 0 3208 149 78 71 87 0 8 0 pvpl 32 36155 0 0 293 1 292 292 0 265 0 pmappl 248 1635 0 1604 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 484 0 114 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83466ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 end of kernel end trace frame: 0x7f42c12050b0, count: 12 ddb{0}> trace x86_ipi_db(ffffffff83466ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 end of kernel end trace frame: 0x7f42c12050b0, count: -3 ddb{0}> machine ddbcpu 1 Stopped at memcpy+0x19: repe movsq (%rsi),%es:(%rdi) memcpy() at memcpy+0x19 ffs_inode_alloc(fffffd807a81cde0,2000,fffffd807f7d3548,ffff80002a0c8a90) at ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 ufs_makeinode(2000,fffffd8072c8ebf8,ffff80002a0c8cb0,ffff80002a0c8ce0) at ufs_makeinode+0xcb sys/ufs/ufs/ufs_vnops.c:1733 ufs_mknod(ffff80002a0c8b50) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 VOP_MKNOD(fffffd8072c8ebf8,ffff80002a0c8cb0,ffff80002a0c8ce0,ffff80002a0c8be0) at VOP_MKNOD+0x102 sys/kern/vfs_vops.c:121 domknodat(ffff8000ffffcf40,ffffff9c,20000000,2000,801) at domknodat+0x47e sys/kern/vfs_syscalls.c:1624 syscall(ffff80002a0c8e80) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0c8e80) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x10023323a4c0, count: 7 ddb{1}> trace memcpy() at memcpy+0x19 ffs_inode_alloc(fffffd807a81cde0,2000,fffffd807f7d3548,ffff80002a0c8a90) at ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 ufs_makeinode(2000,fffffd8072c8ebf8,ffff80002a0c8cb0,ffff80002a0c8ce0) at ufs_makeinode+0xcb sys/ufs/ufs/ufs_vnops.c:1733 ufs_mknod(ffff80002a0c8b50) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 VOP_MKNOD(fffffd8072c8ebf8,ffff80002a0c8cb0,ffff80002a0c8ce0,ffff80002a0c8be0) at VOP_MKNOD+0x102 sys/kern/vfs_vops.c:121 domknodat(ffff8000ffffcf40,ffffff9c,20000000,2000,801) at domknodat+0x47e sys/kern/vfs_syscalls.c:1624 syscall(ffff80002a0c8e80) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0c8e80) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x10023323a4c0, count: -8