uvm_fault(0xffffffff8354a888, 0xffff8000127a36c7, 0, 2) -> d kernel: page fault trap, code=2 Stopped at memset+0x49: repe stosb %es:(%rdi) TID PID UID PRFLAGS PFLAGS CPU COMMAND 165211 80258 0 0 0 0 syz-executor * 94849 76091 73 0x1100010 0 1K syslogd memset() at memset+0x49 ffs_write(ffff80002a06a460) at ffs_write+0xbab sys/ufs/ffs/ffs_vnops.c:401 VOP_WRITE(fffffd806e294a70,ffff80002a06a680,3,fffffd807f7d3bc8) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_write(fffffd80709f65f0,ffff80002a06a680,0) at vn_write+0x1d1 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000ffffd960,e,ffff80002a06a680,0,ffff80002a06a740) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_writev(ffff8000ffffd960,ffff80002a06a7f0,ffff80002a06a740) at sys_writev+0xd8 sys/kern/sys_generic.c:327 syscall(ffff80002a06a7f0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a06a7f0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73307cc1a9f0, 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(0xffffffff8354a888, 0xffff8000127a36c7, 0, 2) -> d ddb{1}> trace memset() at memset+0x49 ffs_write(ffff80002a06a460) at ffs_write+0xbab sys/ufs/ffs/ffs_vnops.c:401 VOP_WRITE(fffffd806e294a70,ffff80002a06a680,3,fffffd807f7d3bc8) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_write(fffffd80709f65f0,ffff80002a06a680,0) at vn_write+0x1d1 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000ffffd960,e,ffff80002a06a680,0,ffff80002a06a740) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_writev(ffff8000ffffd960,ffff80002a06a7f0,ffff80002a06a740) at sys_writev+0xd8 sys/kern/sys_generic.c:327 syscall(ffff80002a06a7f0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a06a7f0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73307cc1a9f0, count: -8 ddb{1}> show registers rdi 0xffff8000127a36c7 rsi 0 rbp 0xffff80002a06a380 rbx 0x1556c7 acpi_pdirpa+0x141538 rdx 0x1 rcx 0x1 rax 0 r8 0x2938 __ALIGN_SIZE+0x1938 r9 0xffff80002a06a2e0 r10 0x4d91d9363729d09e r11 0xffff8000127a36c7 r12 0x4000 __ALIGN_SIZE+0x3000 r13 0x16c7 __ALIGN_SIZE+0x6c7 r14 0xfffffd806e294a70 r15 0x1 rip 0xffffffff81f976f9 memset+0x49 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80002a06a178 ss 0x10 memset+0x49: repe stosb %es:(%rdi) ddb{1}> show proc PROC (syslogd) tid=94849 pid=76091 tcnt=1 stat=onproc flags process=1100010 proc=0 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffffd6d8,0xffff8000ffffcf50 process=0xffff8000ffffad60 user=0xffff80002a065000, vmspace=0xfffffd806ed84a58 estcpu=0, cpticks=6, pctcpu=2.38, user=6, sys=1871, intr=5 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 23464 454546 29126 0 2 0x100002 sh 80258 165211 16194 0 7 0 syz-executor 80258 475216 16194 0 2 0x4000000 syz-executor 41582 521973 24103 0 3 0x80 fsleep syz-executor 41582 170654 24103 0 3 0x4000000 biowait syz-executor 60478 500811 415 0 3 0x100002 inode sh 79685 456575 45915 0 2 0x490 syz-executor 79685 106516 45915 0 3 0x4000090 fsleep syz-executor 79685 150817 45915 0 3 0x4000090 fsleep syz-executor 43997 341101 92562 0 3 0x80 fsleep syz-executor 43997 273431 92562 0 3 0x4000080 rest syz-executor 69687 270121 96575 0 3 0x80 fsleep syz-executor 69687 258901 96575 0 2 0x4000000 syz-executor 51336 183684 3137 0 3 0x2 biowait syz-executor 415 79631 3137 0 3 0x82 wait syz-executor 29126 277542 3137 0 3 0x82 wait syz-executor 24103 107252 3137 0 2 0x482 syz-executor 16194 123868 3137 0 3 0x82 nanoslp syz-executor 45915 229081 3137 0 2 0x482 syz-executor 92562 419072 3137 0 2 0x482 syz-executor 96575 302611 3137 0 3 0x82 nanoslp syz-executor 4731 334223 1 0 3 0x100083 ttyin getty 58428 164887 0 0 3 0x14200 bored sosplice 29580 484581 0 0 3 0x14280 nfsidl nfsio 7323 327160 0 0 3 0x14280 nfsidl nfsio 8225 58857 0 0 3 0x14280 nfsidl nfsio 64743 202214 0 0 3 0x14280 nfsidl nfsio 61047 87908 0 0 3 0x14280 nfsidl nfsio 47808 183433 0 0 3 0x14280 nfsidl nfsio 95669 150127 0 0 3 0x14280 nfsidl nfsio 98421 234330 0 0 3 0x14280 nfsidl nfsio 1548 225253 0 0 3 0x14280 nfsidl nfsio 1373 50368 0 0 3 0x14280 nfsidl nfsio 25166 491076 0 0 3 0x14280 nfsidl nfsio 37064 471414 0 0 3 0x14280 nfsidl nfsio 89445 19468 0 0 3 0x14280 nfsidl nfsio 48182 500640 0 0 3 0x14280 nfsidl nfsio 32432 157941 0 0 3 0x14280 nfsidl nfsio 92278 9980 0 0 3 0x14280 nfsidl nfsio 42553 519368 0 0 3 0x14280 nfsidl nfsio 25426 84801 0 0 3 0x14280 nfsidl nfsio 64361 209632 0 0 3 0x14280 nfsidl nfsio 53243 339454 0 0 3 0x14280 nfsidl nfsio 3137 412764 77044 0 3 0x82 kqread syz-executor 77044 447843 30867 0 3 0x10008a sigsusp ksh 30867 70300 33958 0 3 0x98 kqread sshd-session 33958 201901 80721 0 3 0x92 kqread sshd-session 80721 214987 1 0 3 0x88 kqread sshd 63555 360083 41687 74 3 0x1100092 bpf pflogd 41687 263056 1 0 3 0x80 sbwait pflogd *76091 94849 18479 73 7 0x1100010 syslogd 18479 111481 1 0 3 0x100082 sbwait syslogd 42655 303769 1 0 3 0x100080 kqread resolvd 21423 292720 87466 77 3 0x100092 kqread dhcpleased 55664 200758 87466 77 3 0x100092 kqread dhcpleased 87466 339495 1 0 3 0x80 kqread dhcpleased 89858 311841 0 0 3 0x14200 bored smr 90698 279331 0 0 3 0x14200 pgzero zerothread 38398 222408 0 0 3 0x14200 aiodoned aiodoned 7625 251070 0 0 3 0x14200 syncer update 27327 309067 0 0 3 0x14200 cleaner cleaner 72385 279681 0 0 3 0x14200 reaper reaper 11381 32507 0 0 3 0x14200 pgdaemon pagedaemon 30114 318583 0 0 3 0x14200 bored viomb 49930 412263 0 0 3 0x40014200 acpi0 acpi0 13112 332172 0 0 3 0x40014200 idle1 90891 151951 0 0 3 0x14200 bored softnet3 91143 168736 0 0 3 0x14200 bored softnet2 6405 116808 0 0 3 0x14200 bored softnet1 56000 302282 0 0 3 0x14200 bored softnet0 64264 523276 0 0 3 0x14200 bored systqmp 82999 171137 0 0 3 0x14200 bored systq 31889 52641 0 0 3 0x14200 tmoslp softclockmp 98895 156212 0 0 3 0x40014200 tmoslp softclock 29773 496836 0 0 3 0x40014200 idle0 1 499380 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 41582 (syz-executor) thread 0xffff80002a03e2a8 (170654) exclusive rrwlock inode r = 0 (0xfffffd80753a0098) #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 (0xfffffd80753a0a28) #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 Process 51336 (syz-executor) thread 0xffff8000ffff2a50 (183684) exclusive rrwlock inode r = 0 (0xfffffd80753a04d8) #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 (0xfffffd807e50c2b8) #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 Process 76091 (syslogd) thread 0xffff8000ffffd960 (94849) exclusive rrwlock inode r = 0 (0xfffffd806e4da2c0) #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 vn_write+0x18d sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x23c sys/kern/sys_generic.c:380 #7 sys_writev+0xd8 sys/kern/sys_generic.c:327 #8 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83561d10) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 vn_write+0x4e sys/kern/vfs_vnops.c:393 #2 dofilewritev+0x23c sys/kern/sys_generic.c:380 #3 sys_writev+0xd8 sys/kern/sys_generic.c:327 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10232 10236K 10518K 166960K 12824 0 pcb 18 15K 16K 166960K 301 0 rtable 153 4K 7K 166960K 2223 0 pf 32 17K 25K 166960K 203 0 ifaddr 32 5K 8K 166960K 304 0 ifgroup 51 2K 2K 166960K 341 0 sysctl 3 1K 1K 166960K 3 0 counters 62 36K 36K 166960K 208 0 ioctlops 0 0K 4K 166960K 1685 0 iov 0 0K 14K 166960K 66 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1468 92K 93K 166960K 3218 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 42 0 dirhash 15 2K 2K 166960K 27 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 17 58K 89K 166960K 2104 0 sigio 0 0K 0K 166960K 18 0 proc 75 103K 140K 166960K 2306 0 subproc 91 5K 7K 166960K 936 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 120 0 in_multi 63 4K 7K 166960K 776 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 253 1129K 1129K 166960K 253 0 exec 0 0K 1K 166960K 1441 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 227 65K 92K 166960K 17643 0 UVM aobj 24 4K 4K 166960K 27 0 pinsyscall 42 84K 100K 166960K 4798 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 58 0 NDP 19 1K 2K 166960K 219 0 temp 67 6823K 6949K 166960K 74322 0 kqueue 14 22K 30K 166960K 184 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 120 223 0 220 1 0 1 1 0 8 0 rtentry 112 788 0 720 4 1 3 4 0 8 0 unpcb 144 1051 0 1034 14 13 1 6 0 8 0 syncache 336 17 0 17 6 6 0 1 0 8 0 tcpqe 32 5 14 5 3 3 0 1 0 8 0 tcpcb 808 359 0 351 5 3 2 5 0 8 0 arp 120 139 0 127 1 0 1 1 0 8 0 inpcb 336 1705 0 1693 26 24 2 7 0 8 0 nd6 136 212 0 196 1 0 1 1 0 8 0 pkpcb 40 9 0 9 7 7 0 1 0 8 0 kcovpl 48 72 0 65 1 0 1 1 0 8 0 ppxss 1168 4 0 4 1 1 0 1 0 8 0 pffrag 232 18 0 13 1 0 1 1 0 482 0 pffrnode 88 17 0 12 1 0 1 1 0 8 0 pffrent 40 109 0 104 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 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 156 0 133 1 0 1 1 0 8 0 pfstkey 128 156 0 133 2 0 2 2 0 8 0 pfstate 376 156 0 133 5 1 4 5 0 8 0 pfrule 1344 35 0 25 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 3206 0 2915 33 5 28 30 0 8 6 art_table 32 3208 0 2915 4 0 4 4 0 8 0 art_node 16 787 0 728 1 0 1 1 0 8 0 sysvmsgpl 40 74 0 71 1 0 1 1 0 8 0 semapl 112 38 0 28 1 0 1 1 0 8 0 shmpl 112 24 0 3 1 0 1 1 0 8 0 dirhash 1024 27 0 8 3 0 3 3 0 8 0 dino2pl 256 3536 0 1907 102 0 102 102 0 8 0 ffsino 272 3536 0 1907 109 0 109 109 0 8 0 nchpl 144 5316 0 3543 66 0 66 66 0 8 0 uvmvnodes 80 5188 0 0 106 0 106 106 0 8 0 vnodes 216 5188 0 0 289 0 289 289 0 8 0 namei 1024 24122 0 24120 4 3 1 2 0 8 0 percpumem 16 118 0 73 1 0 1 1 0 8 0 kstatmem 264 168 0 146 2 0 2 2 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 44339 0 44337 12 11 1 8 1 8 0 plimitpl 152 440 0 422 1 0 1 1 0 8 0 sigapl 424 2312 0 2242 9 0 9 9 0 8 0 futexpl 64 17217 0 17212 8 7 1 1 0 8 0 knotepl 120 611 0 0 17 0 17 17 0 8 0 kqueuepl 216 411 0 400 7 6 1 5 0 8 0 pipepl 320 479 0 452 7 4 3 5 0 8 0 fdescpl 496 2271 0 2240 6 1 5 5 0 8 0 filepl 152 12347 0 12108 34 23 11 18 0 8 1 lockfpl 104 514 0 511 1 0 1 1 0 8 0 lockfspl 48 198 0 195 1 0 1 1 0 8 0 sessionpl 144 98 0 89 1 0 1 1 0 8 0 pgrppl 48 181 0 164 1 0 1 1 0 8 0 ucredpl 104 1653 0 1639 1 0 1 1 0 8 0 zombiepl 144 2242 0 2242 1 0 1 1 0 8 1 processpl 1160 2312 0 2242 6 0 6 6 0 8 0 procpl 648 4074 0 3998 8 0 8 8 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sosppl 168 3 0 3 2 2 0 1 0 8 0 sockpl 664 3002 0 2970 35 31 4 15 0 8 0 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 12 0 0 2 0 2 2 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 271 0 0 34 0 34 34 0 8 0 mtagpl 96 75 0 0 2 0 2 2 0 8 0 mbufpl 256 535 0 0 28 0 28 28 0 8 0 bufpl 280 12599 0 6453 442 0 442 442 0 8 0 anonpl 24 350987 0 346770 70 14 56 60 0 185 11 amapchunkpl 152 55982 0 55463 43 9 34 35 0 158 13 amappl16 200 6322 0 6311 57 49 8 15 0 8 4 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 298 0 286 1 0 1 1 0 8 0 amappl13 176 14 0 14 1 1 0 1 0 8 0 amappl12 168 3885 0 3853 3 1 2 2 0 8 0 amappl11 160 55 0 40 1 0 1 1 0 8 0 amappl10 152 10 0 10 1 1 0 1 0 8 0 amappl9 144 137 0 136 1 0 1 1 0 8 0 amappl8 136 21 0 18 1 0 1 1 0 8 0 amappl7 128 234 0 221 1 0 1 1 0 8 0 amappl6 120 785 0 781 1 0 1 1 0 8 0 amappl5 112 381 0 369 1 0 1 1 0 8 0 amappl4 104 555 0 535 1 0 1 1 0 8 0 amappl3 96 10899 0 10793 4 0 4 4 0 8 0 amappl2 88 1656 0 1586 2 0 2 2 0 8 0 amappl1 80 20243 0 19672 14 0 14 14 0 8 0 amappl 88 16619 0 16453 5 0 5 5 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 2 0 2 2 2 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 7 0 7 2 2 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 26 0 3 1 0 1 1 0 8 0 uaddrrnd 24 2271 0 2240 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2271 0 2240 1 0 1 1 0 8 0 vmmpekpl 168 21014 0 20957 4 1 3 4 0 8 0 vmmpepl 168 148013 0 146239 125 36 89 97 0 357 7 vmsppl 440 2270 0 2240 6 2 4 5 0 8 0 rwobjpl 56 48520 0 42381 92 5 87 87 0 8 0 pdppl 4096 4549 0 4480 189 118 71 83 0 8 2 pvpl 32 30054 0 0 241 0 241 241 0 265 0 pmappl 248 2270 0 2240 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 552 0 165 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83454ff0) 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(ffffffff83561b08) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83561b08) 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(ffffffff83561b08) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83561b08) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 uvm_fault(fffffd806c6061d0,9accaa34000,0,1) at uvm_fault+0x1ed sys/uvm/uvm_fault.c:622 upageflttrap(ffff80002a0c4490,9accaa34000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a0c4490) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x6f86eda58710, count: 4 ddb{0}> trace x86_ipi_db(ffffffff83454ff0) 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(ffffffff83561b08) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83561b08) 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(ffffffff83561b08) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83561b08) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 uvm_fault(fffffd806c6061d0,9accaa34000,0,1) at uvm_fault+0x1ed sys/uvm/uvm_fault.c:622 upageflttrap(ffff80002a0c4490,9accaa34000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a0c4490) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x6f86eda58710, count: -11 ddb{0}> machine ddbcpu 1 Stopped at memset+0x49: repe stosb %es:(%rdi) memset() at memset+0x49 ffs_write(ffff80002a06a460) at ffs_write+0xbab sys/ufs/ffs/ffs_vnops.c:401 VOP_WRITE(fffffd806e294a70,ffff80002a06a680,3,fffffd807f7d3bc8) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_write(fffffd80709f65f0,ffff80002a06a680,0) at vn_write+0x1d1 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000ffffd960,e,ffff80002a06a680,0,ffff80002a06a740) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_writev(ffff8000ffffd960,ffff80002a06a7f0,ffff80002a06a740) at sys_writev+0xd8 sys/kern/sys_generic.c:327 syscall(ffff80002a06a7f0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a06a7f0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73307cc1a9f0, count: 7 ddb{1}> trace memset() at memset+0x49 ffs_write(ffff80002a06a460) at ffs_write+0xbab sys/ufs/ffs/ffs_vnops.c:401 VOP_WRITE(fffffd806e294a70,ffff80002a06a680,3,fffffd807f7d3bc8) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_write(fffffd80709f65f0,ffff80002a06a680,0) at vn_write+0x1d1 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000ffffd960,e,ffff80002a06a680,0,ffff80002a06a740) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_writev(ffff8000ffffd960,ffff80002a06a7f0,ffff80002a06a740) at sys_writev+0xd8 sys/kern/sys_generic.c:327 syscall(ffff80002a06a7f0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a06a7f0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73307cc1a9f0, count: -8