uvm_fault(0xffffffff836190a8, 0xffff800025ff3100, 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 *402899 84432 0 0x2 0 1K syz-executor 414267 83244 73 0x1100010 0x1 0 syslogd memcpy() at memcpy+0x19 ffs_truncate(fffffd807df53998,0,0,ffffffffffffffff) at ffs_truncate+0xcb6 ufs_inactive(ffff80002a088718) at ufs_inactive+0x203 sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd8059910378,ffff800031d882b0) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 vput(fffffd8059910378) at vput+0xe5 sys/kern/vfs_subr.c:779 ufs_mkdir(ffff80002a088940) at ufs_mkdir+0x6be VOP_MKDIR(fffffd807d8f4c20,ffff80002a088aa0,ffff80002a088ad0,ffff80002a0889d0) at VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 domkdirat(ffff800031d882b0,ffffff9c,7b8c8fb5b920,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 syscall(ffff80002a088c50) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a088c50) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b8c8fb5b9b0, count: 5 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, 0xffff800025ff3100, 0, 2) -> d ddb{1}> trace memcpy() at memcpy+0x19 ffs_truncate(fffffd807df53998,0,0,ffffffffffffffff) at ffs_truncate+0xcb6 ufs_inactive(ffff80002a088718) at ufs_inactive+0x203 sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd8059910378,ffff800031d882b0) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 vput(fffffd8059910378) at vput+0xe5 sys/kern/vfs_subr.c:779 ufs_mkdir(ffff80002a088940) at ufs_mkdir+0x6be VOP_MKDIR(fffffd807d8f4c20,ffff80002a088aa0,ffff80002a088ad0,ffff80002a0889d0) at VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 domkdirat(ffff800031d882b0,ffffff9c,7b8c8fb5b920,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 syscall(ffff80002a088c50) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a088c50) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b8c8fb5b9b0, count: -10 ddb{1}> show registers rdi 0xffff800025ff3100 rsi 0xfffffd80615ddd00 rbp 0xffff80002a088490 rbx 0 rdx 0x100 rcx 0x20 rax 0x659 r8 0xffffffffffffffff r9 0x65400 acpi_pdirpa+0x51271 r10 0x199bf48e7d0fcb85 r11 0xffff800025ff3100 r12 0xfffffd807df53998 r13 0xfffffd8059b07e50 r14 0x1 r15 0xffff800000a5f000 rip 0xffffffff81fde5d9 memcpy+0x19 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80002a088428 ss 0 memcpy+0x19: repe movsq (%rsi),%es:(%rdi) ddb{1}> show proc PROC (syz-executor) tid=402899 pid=84432 tcnt=1 stat=onproc flags process=2 proc=0 runpri=17, usrpri=86, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800031d88a48,0xffff800031d89988 process=0xffff8000ffff9b40 user=0xffff80002a083000, vmspace=0xfffffd806c67ac20 estcpu=36, cpticks=2, pctcpu=0.3, user=0, sys=5, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 86512 72115 74043 0 2 0x40 syz-executor 46368 462732 57025 0 2 0 syz-executor 63912 144770 14727 0 3 0x80 fsleep syz-executor 63912 120989 14727 0 2 0x4000000 syz-executor 18711 115605 85477 0 3 0x80 fsleep syz-executor 18711 358050 85477 0 2 0x4000000 syz-executor 40010 487859 94352 0 2 0x2 ifconfig 94352 326205 54131 0 3 0x10008a sigsusp sh 82796 338070 2444 0 3 0x80 fsleep syz-executor 82796 388537 2444 0 3 0x4000080 kqread syz-executor 54131 348814 92556 0 3 0x82 wait syz-executor 14727 258448 92556 0 3 0x82 nanoslp syz-executor 74043 34615 92556 0 3 0x82 ppwait syz-executor 85477 258582 92556 0 2 0x482 syz-executor 43438 425301 92556 0 2 0x2 syz-executor *84432 402899 92556 0 7 0x2 syz-executor 57025 189646 92556 0 3 0x82 nanoslp syz-executor 2444 106048 92556 0 2 0x482 syz-executor 74487 270426 0 0 3 0x14200 acct acct 90075 189339 1 0 3 0x100083 ttyin getty 97907 206997 0 0 3 0x14200 bored sosplice 92556 291432 58550 0 3 0x82 kqread syz-executor 58550 31797 44943 0 3 0x10008a sigsusp ksh 44943 283209 1981 0 3 0x98 kqread sshd-session 1981 7331 63715 0 3 0x92 kqread sshd-session 63715 140254 1 0 3 0x88 kqread sshd 67039 93771 25915 74 3 0x1100092 bpf pflogd 25915 456568 1 0 3 0x80 sbwait pflogd 83244 414267 65361 73 7 0x1100011 syslogd 65361 74277 1 0 3 0x100082 sbwait syslogd 65067 456078 1 0 3 0x100080 kqread resolvd 1085 366054 13044 77 3 0x100092 kqread dhcpleased 90631 98922 13044 77 3 0x100092 kqread dhcpleased 13044 443687 1 0 3 0x80 kqread dhcpleased 89235 35467 0 0 3 0x14200 bored smr 55732 327796 0 0 3 0x14200 pgzero zerothread 27288 124800 0 0 3 0x14200 aiodoned aiodoned 73525 28172 0 0 3 0x14200 syncer update 76697 302748 0 0 3 0x14200 cleaner cleaner 2376 513941 0 0 3 0x14200 reaper reaper 90105 330926 0 0 3 0x14200 pgdaemon pagedaemon 25617 5869 0 0 3 0x14200 bored viomb 6337 27070 0 0 3 0x40014200 acpi0 acpi0 21413 204816 0 0 3 0x40014200 idle1 20024 204219 0 0 3 0x14200 bored softnet3 45012 460313 0 0 3 0x14200 bored softnet2 75607 214346 0 0 3 0x14200 bored softnet1 2021 379709 0 0 3 0x14200 bored softnet0 9758 265128 0 0 3 0x14200 bored systqmp 16604 27029 0 0 3 0x14200 bored systq 97401 468759 0 0 3 0x14200 tmoslp softclockmp 73639 372348 0 0 3 0x40014200 tmoslp softclock 53247 157063 0 0 3 0x40014200 idle0 1 379507 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 43438 (syz-executor) thread 0xffff800031d89978 (425301) exclusive rrwlock inode r = 0 (0xfffffd807df535f0) #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 vget+0x2bd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x192 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807ddf9098) #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #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 Process 84432 (syz-executor) thread 0xffff800031d882b0 (402899) 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 sleep_finish+0x219 sys/kern/kern_synch.c:416 #4 biowait+0xc1 sys/kern/vfs_bio.c:1254 #5 bwrite+0x2e2 sys/kern/vfs_bio.c:766 #6 VOP_BWRITE+0x60 sys/kern/vfs_vops.c:646 #7 ufs_mkdir+0x581 sys/ufs/ufs/ufs_vnops.c:1160 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807df53a30) #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_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807e3ef920) #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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3084 #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 10203 10104K 10495K 166960K 12449 0 pcb 17 13K 14K 166960K 206 0 rtable 198 6K 8K 166960K 1100 0 pf 38 18K 21K 166960K 120 0 ifaddr 38 6K 8K 166960K 152 0 ifgroup 60 2K 2K 166960K 175 0 sysctl 3 0K 0K 166960K 5 0 counters 66 36K 37K 166960K 128 0 ioctlops 0 0K 4K 166960K 1564 0 iov 0 0K 24K 166960K 42 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1443 91K 91K 166960K 2358 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 13 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 62 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 17 61K 89K 166960K 1241 0 sigio 0 0K 0K 166960K 12 0 proc 79 103K 140K 166960K 1248 0 subproc 104 6K 7K 166960K 429 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 129 0 in_multi 77 5K 7K 166960K 372 0 ether_multi 1 0K 0K 166960K 4 0 mrt 0 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 839 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 208 72K 102K 166960K 12053 0 UVM aobj 5 2K 2K 166960K 6 0 pinsyscall 42 84K 104K 166960K 2937 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 36 0 NDP 23 1K 2K 166960K 107 0 temp 77 6824K 6928K 166960K 52927 0 kqueue 13 20K 30K 166960K 135 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 120 130 0 127 1 0 1 1 0 8 0 rtentry 112 376 0 287 4 0 4 4 0 8 1 unpcb 144 949 0 932 11 10 1 6 0 8 0 syncache 336 10 0 10 4 4 0 1 0 8 0 tcpcb 808 388 0 384 14 13 1 8 0 8 0 arp 120 65 0 51 1 0 1 1 0 8 0 inpcb 336 1576 0 1565 22 20 2 12 0 8 1 nd6 136 100 0 82 1 0 1 1 0 8 0 pkpcb 40 2 0 2 2 2 0 1 0 8 0 kcovpl 48 33 0 25 1 0 1 1 0 8 0 ppxss 1168 5 0 5 2 2 0 1 0 8 0 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 7 0 1 1 0 1 1 0 482 0 pffrnode 88 7 0 1 1 0 1 1 0 8 0 pffrent 40 13 0 7 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 95 0 58 1 0 1 1 0 8 0 pfstkey 128 95 0 58 2 0 2 2 0 8 0 pfstate 376 94 0 58 5 0 5 5 0 8 0 pfrule 1344 28 0 19 2 0 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 1481 0 1114 32 3 29 30 0 8 6 art_table 32 1483 0 1114 4 0 4 4 0 8 0 art_node 16 374 0 293 1 0 1 1 0 8 0 sysvmsgpl 40 53 0 14 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 57 0 47 1 0 1 1 0 8 0 shmpl 112 3 0 1 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2918 0 1364 98 0 98 98 0 8 0 ffsino 272 2918 0 1364 104 0 104 104 0 8 0 nchpl 144 4244 0 2519 65 0 65 65 0 8 0 uvmvnodes 80 3810 0 0 78 0 78 78 0 8 0 vnodes 216 3810 0 0 212 0 212 212 0 8 0 namei 1024 16485 0 16484 3 2 1 1 0 8 0 percpumem 16 78 0 31 1 0 1 1 0 8 0 kstatmem 264 88 0 62 3 1 2 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 32100 0 32100 11 10 1 8 1 8 1 plimitpl 152 332 0 315 1 0 1 1 0 8 0 sigapl 424 1500 0 1449 8 1 7 7 0 8 0 futexpl 64 12655 0 12652 4 3 1 1 0 8 0 knotepl 120 567 0 0 18 1 17 17 0 8 0 kqueuepl 216 289 0 279 5 4 1 5 0 8 0 pipepl 320 325 0 298 9 6 3 6 0 8 0 fdescpl 496 1480 0 1449 7 2 5 5 0 8 0 filepl 152 8716 0 8469 26 15 11 19 0 8 1 lockfpl 104 567 0 564 3 2 1 2 0 8 0 lockfspl 48 264 0 261 1 0 1 1 0 8 0 sessionpl 144 55 0 46 1 0 1 1 0 8 0 pgrppl 48 92 0 75 1 0 1 1 0 8 0 ucredpl 104 1214 0 1201 1 0 1 1 0 8 0 zombiepl 144 1449 0 1449 1 0 1 1 0 8 1 processpl 1160 1500 0 1449 6 2 4 5 0 8 0 procpl 648 2869 0 2815 8 2 6 7 0 8 0 srpgc 96 6 0 6 2 2 0 1 0 8 0 sosppl 168 4 0 4 2 2 0 1 0 8 0 sockpl 664 2671 0 2640 29 25 4 17 0 8 1 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 235 0 0 30 0 30 30 0 8 0 mtagpl 96 17 0 0 1 0 1 1 0 8 0 mbufpl 256 519 0 0 30 0 30 30 0 8 0 bufpl 280 10411 0 4237 442 0 442 442 0 8 0 anonpl 24 311526 0 307472 72 13 59 65 0 185 12 amapchunkpl 152 40328 0 39886 47 7 40 43 0 158 17 amappl16 200 7395 0 7384 30 23 7 15 0 8 5 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 171 0 159 1 0 1 1 0 8 0 amappl13 176 15 0 15 1 1 0 1 0 8 0 amappl12 168 2495 0 2466 3 1 2 2 0 8 0 amappl11 160 61 0 46 1 0 1 1 0 8 0 amappl10 152 18 0 18 1 1 0 1 0 8 0 amappl9 144 178 0 177 2 1 1 1 0 8 0 amappl8 136 25 0 22 1 0 1 1 0 8 0 amappl7 128 173 0 161 1 0 1 1 0 8 0 amappl6 120 403 0 399 1 0 1 1 0 8 0 amappl5 112 244 0 232 1 0 1 1 0 8 0 amappl4 104 401 0 380 1 0 1 1 0 8 0 amappl3 96 7749 0 7661 4 0 4 4 0 8 0 amappl2 88 1079 0 1006 2 0 2 2 0 8 0 amappl1 80 13881 0 13307 15 1 14 14 0 8 0 amappl 88 11387 0 11241 5 0 5 5 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma512 512 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 72 5 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1480 0 1449 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1480 0 1449 1 0 1 1 0 8 0 vmmpekpl 168 14192 0 14138 4 0 4 4 0 8 1 vmmpepl 168 101364 0 99614 103 12 91 96 0 357 12 vmsppl 440 1479 0 1449 7 2 5 5 0 8 1 rwobjpl 56 36333 0 31608 69 1 68 68 0 8 0 pdppl 4096 2967 0 2898 136 61 75 83 0 8 6 pvpl 32 29507 0 0 238 0 238 238 0 265 0 pmappl 248 1479 0 1449 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 489 0 109 12 0 12 12 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 __mp_lock(ffffffff8362f2d8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8362f2d8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff8362f2d8) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8362f2d8) at __mp_lock+0x199 sys/kern/kern_lock.c:144 ktrstruct(ffff8000ffffdbe8,ffffffff8309b038,ffff80002a069ee0,70) at ktrstruct+0xe2 sys/kern/kern_ktrace.c:307 iovec_copyin(740e0c32f830,ffff80002a069f98,ffff80002a069ee0,7,ffff80002a069f90) at iovec_copyin+0x20a sys/kern/sys_generic.c:120 sys_writev(ffff8000ffffdbe8,ffff80002a06a0d0,ffff80002a06a020) at sys_writev+0x67 sys/kern/sys_generic.c:319 syscall(ffff80002a06a0d0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a06a0d0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x740e0c32d590, count: 3 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 __mp_lock(ffffffff8362f2d8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8362f2d8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff8362f2d8) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8362f2d8) at __mp_lock+0x199 sys/kern/kern_lock.c:144 ktrstruct(ffff8000ffffdbe8,ffffffff8309b038,ffff80002a069ee0,70) at ktrstruct+0xe2 sys/kern/kern_ktrace.c:307 iovec_copyin(740e0c32f830,ffff80002a069f98,ffff80002a069ee0,7,ffff80002a069f90) at iovec_copyin+0x20a sys/kern/sys_generic.c:120 sys_writev(ffff8000ffffdbe8,ffff80002a06a0d0,ffff80002a06a020) at sys_writev+0x67 sys/kern/sys_generic.c:319 syscall(ffff80002a06a0d0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a06a0d0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x740e0c32d590, count: -12 ddb{0}> machine ddbcpu 1 Stopped at memcpy+0x19: repe movsq (%rsi),%es:(%rdi) memcpy() at memcpy+0x19 ffs_truncate(fffffd807df53998,0,0,ffffffffffffffff) at ffs_truncate+0xcb6 ufs_inactive(ffff80002a088718) at ufs_inactive+0x203 sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd8059910378,ffff800031d882b0) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 vput(fffffd8059910378) at vput+0xe5 sys/kern/vfs_subr.c:779 ufs_mkdir(ffff80002a088940) at ufs_mkdir+0x6be VOP_MKDIR(fffffd807d8f4c20,ffff80002a088aa0,ffff80002a088ad0,ffff80002a0889d0) at VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 domkdirat(ffff800031d882b0,ffffff9c,7b8c8fb5b920,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 syscall(ffff80002a088c50) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a088c50) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b8c8fb5b9b0, count: 5 ddb{1}> trace memcpy() at memcpy+0x19 ffs_truncate(fffffd807df53998,0,0,ffffffffffffffff) at ffs_truncate+0xcb6 ufs_inactive(ffff80002a088718) at ufs_inactive+0x203 sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd8059910378,ffff800031d882b0) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 vput(fffffd8059910378) at vput+0xe5 sys/kern/vfs_subr.c:779 ufs_mkdir(ffff80002a088940) at ufs_mkdir+0x6be VOP_MKDIR(fffffd807d8f4c20,ffff80002a088aa0,ffff80002a088ad0,ffff80002a0889d0) at VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 domkdirat(ffff800031d882b0,ffffff9c,7b8c8fb5b920,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 syscall(ffff80002a088c50) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a088c50) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b8c8fb5b9b0, count: -10