uvm_fault(0xffffffff83a7fa78, 0xffff800027142800, 0, 2) -> d kernel: page fault trap, code=2 Stopped at memcpy+0x19: repe movsq (%rsi),%es:(%rdi) TID PID UID PRFLAGS PFLAGS CPU COMMAND 20569 52532 0 0x2 0 0 syz-executor *518382 426 0 0x2 0 1K syz-executor memcpy() at memcpy+0x19 ffs_truncate(fffffd80741a89a8,0,4,fffffd80097fd0d0) at ffs_truncate+0xc9b sys/ufs/ffs/ffs_inode.c:-1 ufs_rmdir(ffff80002a2ce550) at ufs_rmdir+0x2f1 sys/ufs/ufs/ufs_vnops.c:1265 VOP_RMDIR(fffffd80601df960,fffffd80605646e0,ffff80002a2ce628) at VOP_RMDIR+0x192 sys/kern/vfs_vops.c:413 dounlinkat(ffff8000ffffdc90,ffffff9c,769242e1ed40,8) at dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1920 syscall(ffff80002a2ce7a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2ce7a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x769242e1ed30, count: 8 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(0xffffffff83a7fa78, 0xffff800027142800, 0, 2) -> d ddb{1}> trace memcpy() at memcpy+0x19 ffs_truncate(fffffd80741a89a8,0,4,fffffd80097fd0d0) at ffs_truncate+0xc9b sys/ufs/ffs/ffs_inode.c:-1 ufs_rmdir(ffff80002a2ce550) at ufs_rmdir+0x2f1 sys/ufs/ufs/ufs_vnops.c:1265 VOP_RMDIR(fffffd80601df960,fffffd80605646e0,ffff80002a2ce628) at VOP_RMDIR+0x192 sys/kern/vfs_vops.c:413 dounlinkat(ffff8000ffffdc90,ffffff9c,769242e1ed40,8) at dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1920 syscall(ffff80002a2ce7a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2ce7a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x769242e1ed30, count: -7 ddb{1}> show registers rdi 0xffff800027142800 rsi 0xfffffd806e769200 rbp 0xffff80002a2ce2d0 rbx 0xffff800027142800 rdx 0x100 rcx 0x20 rax 0xffff8000299bdff0 r8 0xffffffffffffffff r9 0x32a00 acpi_pdirpa+0x1e871 r10 0x852d573011176b8d r11 0xffff800027142800 r12 0x800 r13 0x2 r14 0x1 r15 0xfffffd805f0e1020 rip 0xffffffff8263f089 memcpy+0x19 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80002a2ce268 ss 0 memcpy+0x19: repe movsq (%rsi),%es:(%rdi) ddb{1}> show proc PROC (syz-executor) tid=518382 pid=426 tcnt=1 stat=onproc flags process=2 proc=0 runpri=17, usrpri=53, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a242d08,0xffff8000ffffd770 process=0xffff80002a244010 user=0xffff80002a2c9000, vmspace=0xfffffd806ea4bd68 estcpu=3, cpticks=19, pctcpu=0.3, user=1, sys=17, intr=1 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 94513 316900 37398 0 2 0 syz-executor 94513 489663 37398 0 3 0x4000080 fsleep syz-executor 94513 259820 37398 0 2 0x4000000 syz-executor 82284 376188 58932 0 2 0 syz-executor 82284 189186 58932 0 2 0x4000000 syz-executor 71635 132832 35044 0 3 0x80 fsleep syz-executor 71635 483528 35044 0 2 0x4000000 syz-executor 70122 223440 52870 0 3 0x80 fsleep syz-executor 70122 192142 52870 0 3 0x4000000 smrbar syz-executor 85433 488725 83451 0 3 0x80 fsleep syz-executor 85433 365211 83451 0 3 0x4000080 ttyin syz-executor 18860 187254 36165 0 3 0x80 fsleep syz-executor 18860 17320 36165 0 3 0x4000080 msgwait syz-executor 54404 151349 52532 0 3 0x80 fsleep syz-executor 54404 72611 52532 0 3 0x4000080 rest syz-executor 84850 194282 0 0 3 0x14280 nfsidl nfsio 72015 441469 0 0 3 0x14280 nfsidl nfsio 99669 339207 0 0 3 0x14280 nfsidl nfsio 19628 323419 0 0 3 0x14280 nfsidl nfsio 17919 503165 0 0 3 0x14280 nfsidl nfsio 41059 26673 0 0 3 0x14280 nfsidl nfsio 12892 62745 0 0 3 0x14280 nfsidl nfsio 39156 456048 0 0 3 0x14280 nfsidl nfsio 65046 40043 0 0 3 0x14280 nfsidl nfsio 24134 365962 0 0 3 0x14280 nfsidl nfsio 92274 217890 0 0 3 0x14280 nfsidl nfsio 8263 352969 0 0 3 0x14280 nfsidl nfsio 30002 325999 0 0 3 0x14280 nfsidl nfsio 52664 224278 0 0 3 0x14280 nfsidl nfsio 80476 406562 0 0 3 0x14280 nfsidl nfsio 78243 303357 0 0 3 0x14280 nfsidl nfsio 46264 516958 0 0 3 0x14280 nfsidl nfsio 17247 338212 0 0 3 0x14280 nfsidl nfsio 93881 85389 0 0 3 0x14280 nfsidl nfsio 13795 195943 0 0 3 0x14280 nfsidl nfsio 37398 89025 71716 0 3 0x82 nanoslp syz-executor 52870 310134 71716 0 3 0x82 nanoslp syz-executor 52532 20569 71716 0 7 0x2 syz-executor 58932 261759 71716 0 3 0x82 nanoslp syz-executor 35044 275316 71716 0 3 0x82 nanoslp syz-executor 36165 157969 71716 0 2 0xc82 syz-executor 83451 188768 71716 0 3 0x82 nanoslp syz-executor * 426 518382 71716 0 7 0x2 syz-executor 71716 61612 52158 0 3 0x82 kqread syz-executor 52158 244504 26616 0 3 0x10008a sigsusp ksh 26616 78018 37589 0 3 0x98 kqread sshd-session 37589 159284 72504 0 3 0x92 kqread sshd-session 15213 59647 1 0 3 0x100083 ttyopn getty 72504 276667 1 0 3 0x88 kqread sshd 70775 266387 6961 74 3 0x1100092 bpf pflogd 6961 187865 1 0 3 0x80 sbwait pflogd 41548 359082 60271 73 3 0x1100090 kqread syslogd 60271 315709 1 0 3 0x100082 sbwait syslogd 3062 341007 1 0 3 0x100080 kqread resolvd 9477 305481 88919 77 3 0x100092 kqread dhcpleased 19184 169564 88919 77 3 0x100092 kqread dhcpleased 88919 100580 1 0 3 0x80 kqread dhcpleased 35685 332491 0 0 3 0x14200 bored smr 15311 324844 0 0 3 0x14200 pgzero zerothread 87916 97533 0 0 3 0x14200 aiodoned aiodoned 10456 170612 0 0 3 0x14200 syncer update 46475 269433 0 0 3 0x14200 cleaner cleaner 71056 361742 0 0 3 0x14200 reaper reaper 26404 512090 0 0 3 0x14200 pgdaemon pagedaemon 59960 353490 0 0 3 0x14200 bored viomb 37380 200316 0 0 3 0x40014200 acpi0 acpi0 90589 502137 0 0 3 0x40014200 idle1 29257 362386 0 0 3 0x14200 bored softnet1 25507 232099 0 0 2 0x14200 softnet0 45286 97421 0 0 3 0x14200 bored systqmp 53150 475138 0 0 3 0x14200 bored systq 84087 144757 0 0 3 0x14200 tmoslp softclockmp 42262 192041 0 0 3 0x40014200 tmoslp softclock 84184 325134 0 0 3 0x40014200 idle0 1 196944 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 70122 (syz-executor) thread 0xffff80003c4094e8 (192142) exclusive rwlock clonelk r = 0 (0xffffffff8394ce28) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 if_clone_destroy+0x93 sys/net/if.c:-1 #3 ifioctl+0x59d sys/net/if.c:2160 #4 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #6 Xsyscall+0x128 Process 426 (syz-executor) thread 0xffff8000ffffdc90 (518382) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a18d80) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 sleep_finish+0x2d8 sys/kern/kern_synch.c:369 #3 biowait+0xc6 sys/kern/vfs_bio.c:1242 #4 bwrite+0x2e7 sys/kern/vfs_bio.c:754 #5 ufs_dirremove+0x290 sys/ufs/ufs/ufs_lookup.c:919 #6 ufs_rmdir+0x238 sys/ufs/ufs/ufs_vnops.c:1248 #7 VOP_RMDIR+0x192 sys/kern/vfs_vops.c:413 #8 dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1920 #9 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #10 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80741a8a48) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x98a sys/kern/vfs_lookup.c:567 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c19b1f0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 cache_lookup+0x351 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x98a sys/kern/vfs_lookup.c:567 #10 namei+0x7ca sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #13 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11064 12158K 12368K 166960K 12590 0 pcb 17 14K 15K 166960K 68 0 rtable 206 7K 10K 166960K 397 0 pf 34 17K 21K 166960K 80 0 ifaddr 40 7K 8K 166960K 55 0 ifgroup 51 2K 2K 166960K 71 0 sysctl 3 1K 9K 166960K 9 0 counters 68 36K 37K 166960K 90 0 ioctlops 0 0K 4K 166960K 1666 0 iov 0 0K 20K 166960K 7 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1349 85K 85K 166960K 1687 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 5 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 21 0 dirhash 18 3K 3K 166960K 27 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 89K 166960K 427 0 sigio 0 0K 0K 166960K 6 0 proc 72 115K 164K 166960K 572 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 19 0 in_multi 91 6K 7K 166960K 114 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 17 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 445 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 233 167K 201K 166960K 5800 0 UVM aobj 39 4K 4K 166960K 39 0 pinsyscall 42 84K 102K 166960K 1614 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 18 0 NDP 11 0K 2K 166960K 33 0 temp 41 9071K 9139K 166960K 18874 0 kqueue 14 22K 28K 166960K 68 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 82 0 79 1 0 1 1 0 8 0 rtentry 176 117 0 27 6 0 6 6 0 8 0 unpcb 144 194 0 177 2 0 2 2 0 8 1 syncache 336 5 0 5 2 2 0 1 0 8 0 tcpcb 736 184 0 177 10 3 7 10 0 8 6 arp 136 19 0 3 1 0 1 1 0 8 0 inpcb 328 533 0 521 18 9 9 18 0 8 8 nd6 152 25 0 3 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 8 0 8 1 0 1 1 0 8 1 pppxif 1576 1 0 1 1 1 0 1 0 8 0 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 3 0 1 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 8 0 6 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 2 0 2 1 0 1 1 0 8 1 pfstitem 24 39 0 2 1 0 1 1 0 8 0 pfstkey 128 39 0 2 2 0 2 2 0 8 0 pfstate 448 39 0 2 5 0 5 5 0 8 0 pfrule 1360 26 0 19 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 496 0 93 31 0 31 31 0 8 3 art_table 40 497 0 93 5 0 5 5 0 8 0 art_node 32 117 0 36 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0 semapl 112 18 0 8 1 0 1 1 0 8 0 shmpl 112 36 0 0 2 0 2 2 0 8 0 dirhash 1024 28 0 6 3 0 3 3 0 8 0 dino2pl 256 2133 0 670 93 0 93 93 0 8 1 ffsino 296 2133 0 670 114 0 114 114 0 8 0 nchpl 144 2741 0 1038 64 0 64 64 0 8 0 rtmask 32 3 0 3 1 0 1 1 0 8 1 vnodes 216 2432 0 0 136 0 136 136 0 8 0 namei 1024 8781 0 8781 1 0 1 1 0 8 1 percpumem 16 60 0 11 1 0 1 1 0 8 0 pfiaddrpl 120 2 0 1 1 0 1 1 0 8 0 kstatmem 264 36 0 12 2 0 2 2 0 8 0 scxspl 216 17871 0 17871 11 8 3 8 1 8 3 plimitpl 152 98 0 80 1 0 1 1 0 8 0 sigapl 424 772 0 705 9 1 8 9 0 8 0 knotepl 120 302 0 0 10 0 10 10 0 8 0 kqueuepl 224 95 0 84 1 0 1 1 0 8 0 pipepl 344 143 0 116 3 0 3 3 0 8 0 fdescpl 528 736 0 705 3 0 3 3 0 8 0 filepl 160 3625 0 3400 18 2 16 18 0 8 5 lockfpl 104 179 0 177 1 0 1 1 0 8 0 lockfspl 48 61 0 59 1 0 1 1 0 8 0 sessionpl 144 30 0 21 1 0 1 1 0 8 0 pgrppl 48 41 0 24 1 0 1 1 0 8 0 ucredpl 104 360 0 347 1 0 1 1 0 8 0 zombiepl 144 705 0 705 1 0 1 1 0 8 1 processpl 1232 772 0 705 6 0 6 6 0 8 0 procpl 664 1215 0 1140 8 1 7 8 0 8 0 sosppl 176 3 0 3 1 0 1 1 0 8 1 sockpl 752 820 0 788 24 13 11 24 0 8 7 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 124 0 0 16 0 16 16 0 8 0 mcl2k 2048 19 0 0 3 0 3 3 0 8 0 mtagpl 96 43 0 0 2 0 2 2 0 8 0 mbufpl 256 201 0 0 13 0 13 13 0 8 0 bufpl 280 7429 0 1299 438 0 438 438 0 8 0 anonpl 32 10539 0 0 85 0 85 85 0 246 0 amapchunkpl 152 17697 0 17217 26 0 26 26 0 158 6 amappl16 200 3024 0 2995 32 19 13 25 0 8 8 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 451 0 450 1 0 1 1 0 8 0 amappl13 176 135 0 122 1 0 1 1 0 8 0 amappl12 168 995 0 965 2 0 2 2 0 8 0 amappl11 160 8 0 8 1 1 0 1 0 8 0 amappl10 152 63 0 49 1 0 1 1 0 8 0 amappl9 144 272 0 272 1 1 0 1 0 8 0 amappl8 136 121 0 119 1 0 1 1 0 8 0 amappl7 128 162 0 149 1 0 1 1 0 8 0 amappl6 120 156 0 154 1 0 1 1 0 8 0 amappl5 112 113 0 102 1 0 1 1 0 8 0 amappl4 104 307 0 286 1 0 1 1 0 8 0 amappl3 96 3474 0 3358 4 0 4 4 0 8 0 amappl2 88 567 0 506 2 0 2 2 0 8 0 amappl1 80 11672 0 11060 19 2 17 19 0 8 1 amappl 88 4990 0 4829 5 0 5 5 0 92 1 uvmvnodes 80 110 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 dma512 512 1 0 1 1 0 1 1 0 8 1 dma256 256 8 0 8 3 2 1 1 0 8 1 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 38 0 0 1 0 1 1 0 8 0 uaddrrnd 24 736 0 705 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 736 0 705 1 0 1 1 0 8 0 vmmpekpl 168 7723 0 7694 2 0 2 2 0 8 0 vmmpepl 168 55978 0 54059 105 0 105 105 0 357 15 vmsppl 488 735 0 705 5 0 5 5 0 8 1 rwobjpl 80 18858 0 17776 32 0 32 32 0 8 5 pdppl 4096 1479 0 1410 107 36 71 83 0 8 2 pvpl 32 17643 0 0 143 0 143 143 0 265 0 pmappl 256 735 0 705 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 298 0 44 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83879ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff83a18580) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a18580) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff83a18580) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a18580) at __mp_lock+0x192 sys/kern/kern_lock.c:173 syscall(ffff80002a364bf0) at syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff80002a364bf0) at syscall+0xaf4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7171cc58a720, count: 5 ddb{0}> trace x86_ipi_db(ffffffff83879ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff83a18580) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a18580) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff83a18580) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a18580) at __mp_lock+0x192 sys/kern/kern_lock.c:173 syscall(ffff80002a364bf0) at syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff80002a364bf0) at syscall+0xaf4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7171cc58a720, count: -10 ddb{0}> machine ddbcpu 1 Stopped at memcpy+0x19: repe movsq (%rsi),%es:(%rdi) memcpy() at memcpy+0x19 ffs_truncate(fffffd80741a89a8,0,4,fffffd80097fd0d0) at ffs_truncate+0xc9b sys/ufs/ffs/ffs_inode.c:-1 ufs_rmdir(ffff80002a2ce550) at ufs_rmdir+0x2f1 sys/ufs/ufs/ufs_vnops.c:1265 VOP_RMDIR(fffffd80601df960,fffffd80605646e0,ffff80002a2ce628) at VOP_RMDIR+0x192 sys/kern/vfs_vops.c:413 dounlinkat(ffff8000ffffdc90,ffffff9c,769242e1ed40,8) at dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1920 syscall(ffff80002a2ce7a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2ce7a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x769242e1ed30, count: 8 ddb{1}> trace memcpy() at memcpy+0x19 ffs_truncate(fffffd80741a89a8,0,4,fffffd80097fd0d0) at ffs_truncate+0xc9b sys/ufs/ffs/ffs_inode.c:-1 ufs_rmdir(ffff80002a2ce550) at ufs_rmdir+0x2f1 sys/ufs/ufs/ufs_vnops.c:1265 VOP_RMDIR(fffffd80601df960,fffffd80605646e0,ffff80002a2ce628) at VOP_RMDIR+0x192 sys/kern/vfs_vops.c:413 dounlinkat(ffff8000ffffdc90,ffffff9c,769242e1ed40,8) at dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1920 syscall(ffff80002a2ce7a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2ce7a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x769242e1ed30, count: -7