uvm_fault(0xffffffff82d846c8, 0xffff80001fa02100, 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 395099 99702 0 0x2 0 0 syz-executor.6 * 47985 48376 0 0x2 0 1K syz-executor.7 memcpy() at memcpy+0x19 ufs_mkdir(ffff80002e3e9750) at ufs_mkdir+0x443 sys/ufs/ufs/ufs_vnops.c:1184 VOP_MKDIR(fffffd8069d933b0,ffff80002e3e98b0,ffff80002e3e98e0,ffff80002e3e97e0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff8000211cf2a8,ffffff9c,73fd73f527a0,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 syscall(ffff80002e3e9a60) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e3e9a60) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73fd73f52810, count: 9 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(0xffffffff82d846c8, 0xffff80001fa02100, 0, 2) -> d ddb{1}> trace memcpy() at memcpy+0x19 ufs_mkdir(ffff80002e3e9750) at ufs_mkdir+0x443 sys/ufs/ufs/ufs_vnops.c:1184 VOP_MKDIR(fffffd8069d933b0,ffff80002e3e98b0,ffff80002e3e98e0,ffff80002e3e97e0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff8000211cf2a8,ffffff9c,73fd73f527a0,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 syscall(ffff80002e3e9a60) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e3e9a60) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73fd73f52810, count: -6 ddb{1}> show registers rdi 0xffff80001fa02100 rsi 0xfffffd805c6db600 rbp 0xffff80002e3e95a0 rbx 0x2 rdx 0x100 rcx 0x20 rax 0x32d r8 0xffffffffffffffff r9 0x2 r10 0x22860dc7df911faf r11 0xffff80001fa02100 r12 0xfffffd805c526668 r13 0xfffffd8069cceb80 r14 0x1 r15 0xffff8000006b9800 rip 0xffffffff823a8f69 memcpy+0x19 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80002e3e9538 ss 0x10 memcpy+0x19: repe movsq (%rsi),%es:(%rdi) ddb{1}> show proc PROC (syz-executor.7) tid=47985 pid=48376 tcnt=1 stat=onproc flags process=2 proc=0 runpri=17, usrpri=86, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff800021237ab0,0xffff800021237020 process=0xffff800021273ab8 user=0xffff80002e3e4000, vmspace=0xfffffd807eff9cb0 estcpu=36, cpticks=2, pctcpu=0.28, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 4289 192970 62268 0 2 0 syz-executor.2 55332 176956 37427 0 2 0 syz-executor.3 55332 85697 37427 0 3 0x4000080 fsleep syz-executor.3 22058 489972 18671 0 2 0 syz-executor.0 22058 513994 18671 0 2 0x4000000 syz-executor.0 24467 103159 37259 0 2 0 syz-executor.1 24467 434447 37259 0 3 0x4000080 fsleep syz-executor.1 37259 56350 31399 0 2 0x482 syz-executor.1 99702 395099 31399 0 7 0x2 syz-executor.6 *48376 47985 31399 0 7 0x2 syz-executor.7 37427 272276 31399 0 2 0x482 syz-executor.3 18671 435878 31399 0 2 0x482 syz-executor.0 60193 411177 31399 0 2 0x2 syz-executor.5 59339 66218 31399 0 2 0x2 syz-executor.4 62268 462800 31399 0 2 0x2 syz-executor.2 31399 198861 15427 0 3 0x2000082 thrsleep syz-fuzzer 31399 280555 15427 0 2 0x6000482 syz-fuzzer 31399 353050 15427 0 3 0x6000082 wait syz-fuzzer 31399 401672 15427 0 3 0x6000082 thrsleep syz-fuzzer 31399 114641 15427 0 3 0x6000082 wait syz-fuzzer 31399 363038 15427 0 3 0x6000082 wait syz-fuzzer 31399 337910 15427 0 3 0x6000082 wait syz-fuzzer 31399 346098 15427 0 2 0x6000082 syz-fuzzer 31399 155877 15427 0 3 0x6000082 wait syz-fuzzer 31399 204404 15427 0 3 0x6000082 thrsleep syz-fuzzer 31399 223510 15427 0 3 0x6000082 thrsleep syz-fuzzer 31399 450048 15427 0 3 0x6000082 wait syz-fuzzer 31399 260893 15427 0 2 0x6000082 syz-fuzzer 31399 401028 15427 0 3 0x6000082 thrsleep syz-fuzzer 31399 96298 15427 0 3 0x6000082 wait syz-fuzzer 31399 27444 15427 0 3 0x6000082 wait syz-fuzzer 15427 341100 82327 0 3 0x10008a sigsusp ksh 82327 229811 76819 0 3 0x9a kqread sshd 83371 280198 1 0 3 0x100083 ttyin getty 76819 352150 1 0 3 0x88 kqread sshd 97197 89360 94070 74 3 0x1100092 bpf pflogd 94070 103319 1 0 3 0x80 netio pflogd 95559 363238 89275 73 3 0x1100010 biowait syslogd 89275 463307 1 0 3 0x100082 netio syslogd 3814 155289 1 0 3 0x100080 kqread resolvd 61860 41176 56095 77 3 0x100092 kqread dhcpleased 30971 129215 56095 77 3 0x100092 kqread dhcpleased 56095 473364 1 0 3 0x80 kqread dhcpleased 59299 462117 0 0 3 0x14200 bored smr 52919 420668 0 0 2 0x14200 zerothread 39179 359881 0 0 3 0x14200 aiodoned aiodoned 51614 117149 0 0 3 0x14200 syncer update 65319 236387 0 0 3 0x14200 cleaner cleaner 43277 377180 0 0 3 0x14200 reaper reaper 49345 342623 0 0 3 0x14200 pgdaemon pagedaemon 34288 180080 0 0 3 0x14200 bored viomb 25947 389133 0 0 3 0x40014200 acpi0 acpi0 27242 235170 0 0 3 0x40014200 idle1 12517 216742 0 0 3 0x14200 bored softnet3 84515 493503 0 0 3 0x14200 bored softnet2 82252 169873 0 0 3 0x14200 bored softnet1 48392 509733 0 0 3 0x14200 bored softnet0 45212 160097 0 0 3 0x14200 bored systqmp 33197 456900 0 0 3 0x14200 bored systq 94400 98688 0 0 3 0x14200 tmoslp softclockmp 23625 84259 0 0 3 0x40014200 tmoslp softclock 79817 327967 0 0 3 0x40014200 idle0 1 162191 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 48376 (syz-executor.7) thread 0xffff8000211cf2a8 (47985) exclusive rrwlock inode r = 0 (0xfffffd8065ea8a38) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1343 #6 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 #10 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #10 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd805c526700) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3058 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82d82928) #0 witness_lock+0x447 #1 syscall+0x5cd mi_syscall sys/sys/syscall_mi.h:110 [inline] #1 syscall+0x5cd sys/arch/amd64/amd64/trap.c:623 #2 Xsyscall+0x128 Process 60193 (syz-executor.5) thread 0xffff8000211e3800 (411177) exclusive rrwlock inode r = 0 (0xfffffd8065ea8708) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1343 #6 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 #10 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #10 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80673ea3d8) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3058 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 Process 95559 (syslogd) thread 0xffff8000211e7d48 (363238) exclusive rrwlock inode r = 0 (0xfffffd806e76e1b0) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 sys_fsync+0xf9 sys/kern/vfs_syscalls.c:2896 #6 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #6 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10197 6500K 6524K 78643K 16963 0 pcb 13 10K 11K 78643K 413 0 rtable 234 6K 6K 78643K 588 0 pf 32 9K 10K 78643K 59 0 ifaddr 45 15K 15K 78643K 81 0 ifgroup 55 2K 2K 78643K 87 0 counters 60 35K 35K 78643K 76 0 ioctlops 0 0K 4K 78643K 5440 0 iov 0 0K 2K 78643K 1395 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1450 91K 91K 78643K 7241 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 136 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 14 49K 89K 78643K 36856 0 sigio 0 0K 0K 78643K 762 0 proc 67 91K 128K 78643K 1392 0 subproc 104 6K 6K 78643K 208 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 99 7K 7K 78643K 187 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 67 307K 307K 78643K 67 0 exec 0 0K 1K 78643K 1242 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 320 84K 85K 78643K 322471 0 UVM aobj 11 2K 2K 78643K 11 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 12 0K 1K 78643K 52 0 temp 74 5920K 6048K 78643K 200462 0 kqueue 12 18K 31K 78643K 5098 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 plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 49 0 46 1 0 1 1 0 8 0 rtentry 112 199 0 89 4 0 4 4 0 8 0 unpcb 144 15652 0 15637 74 71 3 6 0 8 2 syncache 304 4 0 4 1 1 0 1 0 8 0 tcpqe 32 94 0 94 1 1 0 1 0 8 0 tcpcb 808 1548 0 1544 20 19 1 8 0 8 0 arp 120 34 0 16 1 0 1 1 0 8 0 inpcb 368 2498 0 2491 26 25 1 7 0 8 0 nd6 136 48 0 24 1 0 1 1 0 8 0 kcovpl 48 16 0 8 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 48 0 43 1 0 1 1 0 8 0 pfstkey 128 48 0 43 1 0 1 1 0 8 0 pfstate 376 48 0 43 4 2 2 3 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 807 0 352 29 0 29 29 0 8 0 art_table 32 808 0 352 4 0 4 4 0 8 0 art_node 16 198 0 98 1 0 1 1 0 8 0 semapl 112 134 0 124 1 0 1 1 0 8 0 shmpl 112 8 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 45878 0 44147 109 0 109 109 0 8 0 ffsino 272 45878 0 44147 117 0 117 117 0 8 0 nchpl 144 100288 0 98636 64 0 64 64 0 8 0 uvmvnodes 80 6273 0 0 129 0 129 129 0 8 0 vnodes 216 6273 0 0 349 0 349 349 0 8 0 namei 1024 281389 0 281387 3 2 1 2 0 8 0 percpumem 16 51 0 8 1 0 1 1 0 8 0 kstatmem 264 40 0 16 2 0 2 2 0 8 0 scxspl 216 249983 0 249982 10 9 1 8 1 8 0 plimitpl 152 42 0 26 1 0 1 1 0 8 0 sigapl 424 37154 0 37109 7 1 6 7 0 8 0 futexpl 64 214113 0 214111 1 0 1 1 0 8 0 knotepl 120 140 0 0 4 0 4 4 0 8 0 kqueuepl 216 7899 0 7891 87 86 1 8 0 8 0 pipepl 320 32048 0 32019 261 250 11 18 0 8 8 fdescpl 496 37136 0 37109 5 1 4 5 0 8 0 filepl 152 197193 0 196949 289 271 18 27 0 8 8 lockfpl 104 4880 0 4877 3 2 1 2 0 8 0 lockfspl 48 1678 0 1675 1 0 1 1 0 8 0 sessionpl 144 32 0 15 1 0 1 1 0 8 0 pgrppl 48 373 0 356 1 0 1 1 0 8 0 ucredpl 104 11673 0 11660 1 0 1 1 0 8 0 zombiepl 144 37109 0 37109 1 0 1 1 0 8 1 processpl 1072 37154 0 37109 4 0 4 4 0 8 0 procpl 680 82881 0 82818 13 6 7 7 0 8 0 sockpl 488 18199 0 18174 247 235 12 20 0 8 8 mcl64k 65536 33 0 0 3 0 3 3 0 8 0 mcl16k 16384 25 0 0 4 1 3 3 0 8 0 mcl12k 12288 26 0 0 2 0 2 2 0 8 0 mcl9k 9216 25 0 0 2 0 2 2 0 8 0 mcl8k 8192 33 0 0 4 1 3 3 0 8 0 mcl4k 4096 49 0 0 6 3 3 3 0 8 0 mcl2k2 2112 11 0 0 1 0 1 1 0 8 0 mcl2k 2048 285 0 0 29 8 21 29 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 1234 0 0 15 2 13 15 0 8 0 bufpl 288 44497 0 38172 452 0 452 452 0 8 0 anonpl 24 2753579 0 2745901 77 25 52 58 0 186 0 amapchunkpl 152 1012430 0 1011743 153 120 33 34 0 158 2 amappl16 200 47762 0 47596 20 10 10 12 0 8 0 amappl15 192 12 0 12 1 1 0 1 0 8 0 amappl14 184 177 0 165 2 1 1 2 0 8 0 amappl13 176 19 0 19 1 1 0 1 0 8 0 amappl12 168 37908 0 37879 4 2 2 3 0 8 0 amappl11 160 56 0 42 1 0 1 1 0 8 0 amappl10 152 55 0 43 2 1 1 1 0 8 0 amappl9 144 215 0 214 1 0 1 1 0 8 0 amappl8 136 529 0 445 4 0 4 4 0 8 0 amappl7 128 248 0 220 2 0 2 2 0 8 0 amappl6 120 680 0 663 1 0 1 1 0 8 0 amappl5 112 1123 0 1110 1 0 1 1 0 8 0 amappl4 104 797 0 766 2 1 1 2 0 8 0 amappl3 96 203249 0 203172 4 1 3 3 0 8 0 amappl2 88 38217 0 38144 3 1 2 3 0 8 0 amappl1 80 132246 0 131701 25 12 13 23 0 8 0 amappl 88 321870 0 321673 11 5 6 6 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 10 0 0 1 0 1 1 0 8 0 uaddrrnd 24 37136 0 37109 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 37136 0 37109 1 0 1 1 0 8 0 vmmpekpl 168 312161 0 312107 4 0 4 4 0 8 0 vmmpepl 168 1978802 0 1976820 238 140 98 118 0 357 0 vmsppl 464 37135 0 37109 5 1 4 5 0 8 0 rwobjpl 56 419538 0 412009 119 12 107 107 0 8 0 pdppl 4096 74280 0 74218 1754 1684 70 82 0 8 8 pvpl 32 9517790 0 9504492 419 300 119 367 0 265 0 pmappl 248 37135 0 37109 3 1 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2591 0 1753 25 0 25 25 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82bcaff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x30 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x30 sys/dev/kcov.c:158 __mp_lock(ffffffff82d82720) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d82720) at __mp_lock+0x133 sys/kern/kern_lock.c:147 intr_handler(ffff80002afd5d70,ffff80000007bd80) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff82d82720) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d82720) at __mp_lock+0x133 sys/kern/kern_lock.c:147 syscall(ffff80002afd5f40) at syscall+0x3ae mi_syscall sys/sys/syscall_mi.h:84 [inline] syscall(ffff80002afd5f40) at syscall+0x3ae sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x732c37ed35f0, count: 5 ddb{0}> trace x86_ipi_db(ffffffff82bcaff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x30 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x30 sys/dev/kcov.c:158 __mp_lock(ffffffff82d82720) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d82720) at __mp_lock+0x133 sys/kern/kern_lock.c:147 intr_handler(ffff80002afd5d70,ffff80000007bd80) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff82d82720) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d82720) at __mp_lock+0x133 sys/kern/kern_lock.c:147 syscall(ffff80002afd5f40) at syscall+0x3ae mi_syscall sys/sys/syscall_mi.h:84 [inline] syscall(ffff80002afd5f40) at syscall+0x3ae sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x732c37ed35f0, count: -10 ddb{0}> machine ddbcpu 1 Stopped at memcpy+0x19: repe movsq (%rsi),%es:(%rdi) memcpy() at memcpy+0x19 ufs_mkdir(ffff80002e3e9750) at ufs_mkdir+0x443 sys/ufs/ufs/ufs_vnops.c:1184 VOP_MKDIR(fffffd8069d933b0,ffff80002e3e98b0,ffff80002e3e98e0,ffff80002e3e97e0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff8000211cf2a8,ffffff9c,73fd73f527a0,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 syscall(ffff80002e3e9a60) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e3e9a60) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73fd73f52810, count: 9 ddb{1}> trace memcpy() at memcpy+0x19 ufs_mkdir(ffff80002e3e9750) at ufs_mkdir+0x443 sys/ufs/ufs/ufs_vnops.c:1184 VOP_MKDIR(fffffd8069d933b0,ffff80002e3e98b0,ffff80002e3e98e0,ffff80002e3e97e0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff8000211cf2a8,ffffff9c,73fd73f527a0,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 syscall(ffff80002e3e9a60) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e3e9a60) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73fd73f52810, count: -6