uvm_fault(0xfffffd805f7addc8, 0x18, 0, 1) -> e kernel: page fault trap, code=0 Stopped at checkalias+0xb7: movl 0x18(%r13),%ebx TID PID UID PRFLAGS PFLAGS CPU COMMAND 112147 10808 0 0x8000000 0 0 syz-executor *408092 68014 0 0x8000000 0x4000000 1K syz-executor checkalias(fffffd807008ce80,5c4a,ffff800000a66c00) at checkalias+0xb7 sys/kern/vfs_subr.c:564 ffs_vinit(ffff800000a66c00,ffff80002f793fc0) at ffs_vinit+0x13d ffs_vget(ffff800000a66c00,98,ffff80002f7940a8) at ffs_vget+0x429 sys/ufs/ffs/ffs_vfsops.c:1283 ufs_lookup() at ufs_lookup+0x16bc sys/ufs/ufs/ufs_lookup.c:573 VOP_LOOKUP(fffffd807a436a38,ffff80002f794950,ffff80002f794980) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80002f794920) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80002f794920) at namei+0x7aa sys/kern/vfs_lookup.c:250 vn_open(ffff80002f794920,3,0) at vn_open+0x13f sys/kern/vfs_vnops.c:140 vndioctl(2902,c0384600,ffff80002f794c40,1,ffff8000ffffc7a8) at vndioctl+0xcb1 sys/dev/vnd.c:457 VOP_IOCTL(fffffd806dd9eeb8,c0384600,ffff80002f794c40,1,fffffd807f7d32d8,ffff8000ffffc7a8) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd807b9c1728,c0384600,ffff80002f794c40,ffff8000ffffc7a8) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000ffffc7a8,ffff80002f794e20,ffff80002f794d70) at sys_ioctl+0x67c syscall(ffff80002f794e20) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002f794e20) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaa0f9341d90, count: 1 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(0xfffffd805f7addc8, 0x18, 0, 1) -> e ddb{1}> trace checkalias(fffffd807008ce80,5c4a,ffff800000a66c00) at checkalias+0xb7 sys/kern/vfs_subr.c:564 ffs_vinit(ffff800000a66c00,ffff80002f793fc0) at ffs_vinit+0x13d ffs_vget(ffff800000a66c00,98,ffff80002f7940a8) at ffs_vget+0x429 sys/ufs/ffs/ffs_vfsops.c:1283 ufs_lookup() at ufs_lookup+0x16bc sys/ufs/ufs/ufs_lookup.c:573 VOP_LOOKUP(fffffd807a436a38,ffff80002f794950,ffff80002f794980) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80002f794920) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80002f794920) at namei+0x7aa sys/kern/vfs_lookup.c:250 vn_open(ffff80002f794920,3,0) at vn_open+0x13f sys/kern/vfs_vnops.c:140 vndioctl(2902,c0384600,ffff80002f794c40,1,ffff8000ffffc7a8) at vndioctl+0xcb1 sys/dev/vnd.c:457 VOP_IOCTL(fffffd806dd9eeb8,c0384600,ffff80002f794c40,1,fffffd807f7d32d8,ffff8000ffffc7a8) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd807b9c1728,c0384600,ffff80002f794c40,ffff8000ffffc7a8) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000ffffc7a8,ffff80002f794e20,ffff80002f794d70) at sys_ioctl+0x67c syscall(ffff80002f794e20) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002f794e20) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaa0f9341d90, count: -14 ddb{1}> show registers rdi 0x2 rsi 0x1 rbp 0xffff80002f793f20 rbx 0xfffffd806decdee0 rdx 0xffff8000011b9380 rcx 0xffffffff8357b8b0 speclisth+0x160 rax 0x2c r8 0xffffffffffffffff r9 0 r10 0xf8a86cb75ca23235 r11 0x3a79f89fddbb40b r12 0x5c4a __ALIGN_SIZE+0x4c4a r13 0 r14 0x5c4a __ALIGN_SIZE+0x4c4a r15 0xfffffd807e3deea0 rip 0xffffffff81b5aa87 checkalias+0xb7 cs 0x8 rflags 0x10286 __ALIGN_SIZE+0xf286 rsp 0xffff80002f793eb0 ss 0x10 checkalias+0xb7: movl 0x18(%r13),%ebx ddb{1}> show proc PROC (syz-executor) tid=408092 pid=68014 tcnt=3 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800029fd8a28,0xffff80002a06d978 process=0xffff8000ffff3620 user=0xffff80002f78f000, vmspace=0xfffffd805f7addc8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 99464 89722 74388 0 2 0x8000000 syz-executor 10808 112147 73558 0 7 0x8000000 syz-executor 10808 197923 73558 0 3 0xc000080 ttyin syz-executor 61999 350669 43893 0 2 0x8000000 syz-executor 61999 91553 43893 0 3 0xc000080 ttyout syz-executor 96661 288337 57293 0 3 0x8000080 nanoslp syz-executor 96661 494493 57293 0 3 0xc000080 ttyin syz-executor 96661 134555 57293 0 3 0xc000080 fsleep syz-executor 96661 144995 57293 0 3 0xc000080 fsleep syz-executor 68014 257314 96288 0 2 0x8000000 syz-executor 68014 519190 96288 0 3 0xc000080 kqread syz-executor *68014 408092 96288 0 7 0xc000000 syz-executor 14490 128784 42231 -1 3 0x8000090 nanoslp syz-executor 14490 421356 42231 -1 3 0xc000090 fsleep syz-executor 14490 102547 42231 -1 3 0xc000090 fsleep syz-executor 14490 403610 42231 -1 3 0xc000090 msgwait syz-executor 33194 467181 80791 0 3 0x8000080 nanoslp syz-executor 33194 73731 80791 0 3 0xc000080 rest syz-executor 33194 289292 80791 0 3 0xc000080 fsleep syz-executor 23013 393125 38760 0 3 0x8000080 nanoslp syz-executor 23013 372355 38760 0 3 0xc000080 netcon syz-executor 23013 110135 38760 0 3 0xc000080 fsleep syz-executor 43893 188682 92588 0 3 0x8000082 nanoslp syz-executor 57293 329086 92588 0 3 0x8000082 nanoslp syz-executor 74388 463442 92588 0 3 0x8000082 nanoslp syz-executor 38760 192250 92588 0 3 0x8000082 nanoslp syz-executor 73558 242634 92588 0 3 0x8000082 nanoslp syz-executor 80791 39249 92588 0 3 0x8000082 nanoslp syz-executor 42231 505988 92588 0 3 0x8000082 nanoslp syz-executor 96288 206551 92588 0 3 0x8000082 nanoslp syz-executor 96493 295573 0 0 3 0x14200 bored sosplice 92588 480825 96366 0 3 0x8000082 kqread syz-executor 96366 262110 51324 0 3 0x810008a sigsusp ksh 51324 236773 35027 0 3 0x18000098 kqread sshd-session 35027 39038 70440 0 3 0x18000092 kqread sshd-session 81303 33267 1 0 3 0x18100083 ttyopn getty 70440 260418 1 0 3 0x18000088 kqread sshd 79125 261536 51073 74 3 0x19100092 bpf pflogd 51073 267049 1 0 3 0x18000080 sbwait pflogd 71389 474641 73717 73 3 0x19100010 biowait syslogd 73717 285631 1 0 3 0x18100082 sbwait syslogd 66108 175435 1 0 3 0x18100080 kqread resolvd 44159 128971 43767 77 3 0x18100092 kqread dhcpleased 86628 511232 43767 77 3 0x18100092 kqread dhcpleased 43767 146344 1 0 3 0x18000080 kqread dhcpleased 19012 51505 0 0 3 0x14200 bored smr 42697 310555 0 0 2 0x14200 zerothread 38087 478402 0 0 3 0x14200 aiodoned aiodoned 9104 337364 0 0 3 0x14200 syncer update 81658 241633 0 0 3 0x14200 cleaner cleaner 28516 444847 0 0 3 0x14200 reaper reaper 78955 482286 0 0 3 0x14200 pgdaemon pagedaemon 24932 99292 0 0 3 0x14200 bored viomb 23924 428098 0 0 3 0x40014200 acpi0 acpi0 24521 25089 0 0 3 0x40014200 idle1 95773 490637 0 0 3 0x14200 bored softnet3 4738 256860 0 0 3 0x14200 bored softnet2 39880 33301 0 0 3 0x14200 bored softnet1 47248 340249 0 0 3 0x14200 bored softnet0 18662 264604 0 0 3 0x14200 bored systqmp 53578 412006 0 0 3 0x14200 bored systq 27824 409561 0 0 3 0x14200 tmoslp softclockmp 10601 21967 0 0 3 0x40014200 tmoslp softclock 11015 106516 0 0 3 0x40014200 idle0 1 107586 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 68014 (syz-executor) thread 0xffff8000ffffc7a8 (408092) exclusive rrwlock inode r = 0 (0xfffffd806decdf78) #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:120 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ufs_lookup+0x16bc sys/ufs/ufs/ufs_lookup.c:573 #7 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #8 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #9 namei+0x7aa sys/kern/vfs_lookup.c:250 #10 vn_open+0x13f sys/kern/vfs_vnops.c:140 #11 vndioctl+0xcb1 sys/dev/vnd.c:457 #12 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #13 vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 #14 sys_ioctl+0x67c #15 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #15 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #16 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806ff9cf80) #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 vn_open+0x13f sys/kern/vfs_vnops.c:140 #8 vndioctl+0xcb1 sys/dev/vnd.c:457 #9 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #10 vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 #11 sys_ioctl+0x67c #12 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #12 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835a8120) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 vn_ioctl+0x4d sys/kern/vfs_vnops.c:508 #2 sys_ioctl+0x67c #3 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #3 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #4 Xsyscall+0x128 Process 71389 (syslogd) thread 0xffff8000ffffdbe8 (474641) exclusive rrwlock inode r = 0 (0xfffffd806e49f1b0) #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 sys_fsync+0x152 sys/kern/vfs_syscalls.c:2927 #6 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10243 10500K 10682K 166960K 12583 0 pcb 18 15K 17K 166960K 207 0 rtable 237 8K 9K 166960K 941 0 pf 41 19K 22K 166960K 131 0 ifaddr 47 8K 9K 166960K 121 0 ifgroup 62 2K 2K 166960K 140 0 sysctl 3 0K 0K 166960K 3 0 counters 66 36K 36K 166960K 108 0 ioctlops 0 0K 4K 166960K 1568 0 iov 0 0K 16K 166960K 55 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1490 94K 95K 166960K 2394 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 16 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 49 0 dirhash 12 2K 2K 166960K 33 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 18 65K 89K 166960K 907 0 sigio 0 0K 0K 166960K 7 0 proc 70 91K 140K 166960K 980 0 subproc 104 6K 6K 166960K 299 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 150 0 in_multi 103 7K 7K 166960K 288 0 ether_multi 1 0K 0K 166960K 4 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 151 678K 678K 166960K 151 0 exec 0 0K 1K 166960K 703 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 255 93K 110K 166960K 9396 0 UVM aobj 25 2K 2K 166960K 26 0 pinsyscall 43 86K 103K 166960K 2406 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 41 0 NDP 13 0K 2K 166960K 80 0 temp 60 6815K 6882K 166960K 31348 0 kqueue 14 22K 28K 166960K 126 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 120 127 0 123 1 0 1 1 0 8 0 rtentry 112 296 0 189 5 1 4 4 0 8 0 unpcb 144 527 0 503 5 3 2 3 0 8 0 syncache 336 6 0 6 4 3 1 1 0 8 1 tcpcb 808 210 0 205 6 5 1 4 0 8 0 arp 120 51 0 33 1 0 1 1 0 8 0 inpcb 336 979 0 967 13 6 7 7 0 8 5 nd6 136 75 0 49 1 0 1 1 0 8 0 pkpcb 40 6 0 6 2 1 1 1 0 8 1 kcovpl 48 23 0 15 1 0 1 1 0 8 0 ppxss 1168 5 0 5 3 2 1 1 0 8 1 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 3 0 0 1 0 1 1 0 482 0 pffrnode 88 3 0 0 1 0 1 1 0 8 0 pffrent 40 6 0 3 1 0 1 1 0 8 0 pfosfp 40 1432 0 1430 5 0 5 5 0 8 4 pfosfpen 112 1432 0 1430 21 1 20 21 0 8 19 pfrktable 1344 8 0 7 1 0 1 1 0 8 0 pfanchor 1288 4 0 3 1 0 1 1 0 8 0 pftag 88 5 0 4 1 0 1 1 0 8 0 pfstitem 24 82 0 39 1 0 1 1 0 8 0 pfstkey 128 86 0 41 2 0 2 2 0 8 0 pfstate 376 81 0 40 5 0 5 5 0 8 0 pfrule 1344 30 0 22 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1184 0 714 32 2 30 30 0 8 0 art_table 32 1185 0 714 4 0 4 4 0 8 0 art_node 16 295 0 201 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 6 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 47 0 37 1 0 1 1 0 8 0 shmpl 112 23 0 1 1 0 1 1 0 8 0 dirhash 1024 31 0 14 3 0 3 3 0 8 0 dino2pl 256 2722 0 1195 97 0 97 97 0 8 0 ffsino 272 2722 0 1195 104 1 103 103 0 8 0 nchpl 144 3799 0 2096 64 0 64 64 0 8 0 uvmvnodes 80 3601 0 0 74 0 74 74 0 8 0 vnodes 216 3601 0 0 201 0 201 201 0 8 0 vnodes: pool(0xffffffff835077e8:vnodes): page inconsistency: page 0x0; at page head addr 0xfffffd807e3def90 (p 0xfffffd807e3de000) namei 1024 15291 0 15290 5 4 1 2 0 8 0 percpumem 16 68 0 21 1 0 1 1 0 8 0 vcpupl 3904 3 0 1 1 0 1 1 0 8 0 vmpool 696 4 0 2 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 1 1 1 0 1 0 8 0 kstatmem 264 68 0 42 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 17631 0 17630 12 10 2 8 1 8 1 plimitpl 152 222 0 202 1 0 1 1 0 8 0 sigapl 424 1188 0 1137 7 1 6 7 0 8 0 futexpl 64 10598 0 10592 2 1 1 1 0 8 0 knotepl 120 594 0 0 17 0 17 17 0 8 0 kqueuepl 216 241 0 229 1 0 1 1 0 8 0 pipepl 320 291 0 264 8 0 8 8 0 8 5 fdescpl 496 1169 0 1137 6 1 5 5 0 8 0 filepl 152 8060 0 7777 32 16 16 20 0 8 4 lockfpl 104 371 0 367 2 1 1 2 0 8 0 lockfspl 48 95 0 91 1 0 1 1 0 8 0 sessionpl 144 37 0 28 1 0 1 1 0 8 0 pgrppl 48 131 0 114 1 0 1 1 0 8 0 ucredpl 104 1215 0 1201 1 0 1 1 0 8 0 zombiepl 144 1137 0 1137 2 1 1 1 0 8 1 processpl 1152 1188 0 1137 5 1 4 5 0 8 0 procpl 648 2197 0 2132 7 1 6 6 0 8 0 srpgc 96 4 0 4 2 2 0 1 0 8 0 sosppl 168 2 0 2 2 1 1 1 0 8 1 sockpl 664 1649 0 1609 19 10 9 9 0 8 5 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 236 0 0 30 0 30 30 0 8 0 mtagpl 96 9 0 0 1 0 1 1 0 8 0 mbufpl 256 456 0 0 26 0 26 26 0 8 0 bufpl 280 6626 0 454 441 0 441 441 0 8 0 anonpl 24 234743 0 231120 79 32 47 50 0 185 20 amapchunkpl 152 30666 0 30114 44 16 28 32 0 158 6 amappl16 200 5346 0 5319 20 10 10 14 0 8 8 amappl15 192 16 0 16 1 1 0 1 0 8 0 amappl14 184 149 0 137 1 0 1 1 0 8 0 amappl13 176 36 0 35 1 0 1 1 0 8 0 amappl12 168 2073 0 2042 3 1 2 2 0 8 0 amappl11 160 57 0 43 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 1 0 1 0 8 0 amappl9 144 181 0 181 1 1 0 1 0 8 0 amappl8 136 28 0 26 1 0 1 1 0 8 0 amappl7 128 156 0 142 1 0 1 1 0 8 0 amappl6 120 318 0 317 1 0 1 1 0 8 0 amappl5 112 206 0 195 1 0 1 1 0 8 0 amappl4 104 383 0 364 1 0 1 1 0 8 0 amappl3 96 5962 0 5834 5 1 4 4 0 8 0 amappl2 88 840 0 775 2 0 2 2 0 8 0 amappl1 80 11108 0 10525 14 1 13 14 0 8 0 amappl 88 8855 0 8664 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 dma512 512 1 0 1 1 0 1 1 0 8 1 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 25 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1173 0 1139 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1173 0 1139 1 0 1 1 0 8 0 vmmpekpl 168 11426 0 11369 3 0 3 3 0 8 0 vmmpepl 168 78922 0 76967 99 4 95 95 0 357 9 vmsppl 440 1172 0 1139 6 1 5 5 0 8 0 rwobjpl 56 28941 0 24342 65 0 65 65 0 8 0 pdppl 4096 2353 0 2280 127 54 73 83 0 8 0 pvpl 32 27648 0 0 225 2 223 223 0 265 0 pmappl 248 1172 0 1139 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 459 0 79 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834ccff0) 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(ffffffff835a7f18) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835a7f18) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002f7eeb20,ffff80000006bc00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x7446e016bb00, count: 9 ddb{0}> trace x86_ipi_db(ffffffff834ccff0) 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(ffffffff835a7f18) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835a7f18) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002f7eeb20,ffff80000006bc00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x7446e016bb00, count: -6 ddb{0}> machine ddbcpu 1 Stopped at checkalias+0xb7: movl 0x18(%r13),%ebx checkalias(fffffd807008ce80,5c4a,ffff800000a66c00) at checkalias+0xb7 sys/kern/vfs_subr.c:564 ffs_vinit(ffff800000a66c00,ffff80002f793fc0) at ffs_vinit+0x13d ffs_vget(ffff800000a66c00,98,ffff80002f7940a8) at ffs_vget+0x429 sys/ufs/ffs/ffs_vfsops.c:1283 ufs_lookup() at ufs_lookup+0x16bc sys/ufs/ufs/ufs_lookup.c:573 VOP_LOOKUP(fffffd807a436a38,ffff80002f794950,ffff80002f794980) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80002f794920) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80002f794920) at namei+0x7aa sys/kern/vfs_lookup.c:250 vn_open(ffff80002f794920,3,0) at vn_open+0x13f sys/kern/vfs_vnops.c:140 vndioctl(2902,c0384600,ffff80002f794c40,1,ffff8000ffffc7a8) at vndioctl+0xcb1 sys/dev/vnd.c:457 VOP_IOCTL(fffffd806dd9eeb8,c0384600,ffff80002f794c40,1,fffffd807f7d32d8,ffff8000ffffc7a8) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd807b9c1728,c0384600,ffff80002f794c40,ffff8000ffffc7a8) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000ffffc7a8,ffff80002f794e20,ffff80002f794d70) at sys_ioctl+0x67c syscall(ffff80002f794e20) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002f794e20) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaa0f9341d90, count: 1 ddb{1}> trace checkalias(fffffd807008ce80,5c4a,ffff800000a66c00) at checkalias+0xb7 sys/kern/vfs_subr.c:564 ffs_vinit(ffff800000a66c00,ffff80002f793fc0) at ffs_vinit+0x13d ffs_vget(ffff800000a66c00,98,ffff80002f7940a8) at ffs_vget+0x429 sys/ufs/ffs/ffs_vfsops.c:1283 ufs_lookup() at ufs_lookup+0x16bc sys/ufs/ufs/ufs_lookup.c:573 VOP_LOOKUP(fffffd807a436a38,ffff80002f794950,ffff80002f794980) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80002f794920) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80002f794920) at namei+0x7aa sys/kern/vfs_lookup.c:250 vn_open(ffff80002f794920,3,0) at vn_open+0x13f sys/kern/vfs_vnops.c:140 vndioctl(2902,c0384600,ffff80002f794c40,1,ffff8000ffffc7a8) at vndioctl+0xcb1 sys/dev/vnd.c:457 VOP_IOCTL(fffffd806dd9eeb8,c0384600,ffff80002f794c40,1,fffffd807f7d32d8,ffff8000ffffc7a8) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd807b9c1728,c0384600,ffff80002f794c40,ffff8000ffffc7a8) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000ffffc7a8,ffff80002f794e20,ffff80002f794d70) at sys_ioctl+0x67c syscall(ffff80002f794e20) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002f794e20) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaa0f9341d90, count: -14