Warning: Permanently added '10.128.1.5' (ED25519) to the list of known hosts. 2024/07/15 07:11:16 ignoring optional flag "sandboxArg"="0" 2024/07/15 07:11:16 parsed 1 programs 2024/07/15 07:11:18 executed programs: 0 panic: ufs_rename: lost dir entry Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 235704 36761 0 0x8000000 0x4000000 0 syz-executor.1 *350964 36761 0 0x8000000 0x4000000 1K syz-executor.1 db_enter() at db_enter+0x25 panic(ffffffff82fe9bf6) at panic+0x1e5 ufs_rename(ffff80002a220af8) at ufs_rename+0x18b2 VOP_RENAME(fffffd8067560d98,fffffd807c0672b0,ffff80002a220cc8,fffffd8067560be8,0,ffff80002a220c18) at VOP_RENAME+0x13c dorenameat(ffff8000ffff2f60,ffffff9c,200001c0,ffffff9c,20000200) at dorenameat+0x3f8 syscall(ffff80002a220e60) at syscall+0xaf8 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8b2485681b0, 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: ufs_rename: lost dir entry ddb{1}> trace db_enter() at db_enter+0x25 panic(ffffffff82fe9bf6) at panic+0x1e5 ufs_rename(ffff80002a220af8) at ufs_rename+0x18b2 VOP_RENAME(fffffd8067560d98,fffffd807c0672b0,ffff80002a220cc8,fffffd8067560be8,0,ffff80002a220c18) at VOP_RENAME+0x13c dorenameat(ffff8000ffff2f60,ffffff9c,200001c0,ffffff9c,20000200) at dorenameat+0x3f8 syscall(ffff80002a220e60) at syscall+0xaf8 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8b2485681b0, count: -7 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a220870 rbx 0xffff800029b7cd87 rdx 0x3fd rcx 0 rax 0x22 r8 0x101010101010101 r9 0x8080808080808080 r10 0x51126e1fec6eb1d1 r11 0x3b000ff5a789cbfd r12 0xffff800029b7cb88 r13 0 r14 0 r15 0x1 rip 0xffffffff8236d085 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a220860 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.1) tid=350964 pid=36761 tcnt=4 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=57, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff22b8,0xffff8000ffff3708 process=0xffff80002a13e8a8 user=0xffff80002a21b000, vmspace=0xfffffd806b4e81d0 estcpu=7, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 51626 283551 49628 0 2 0x8000000 syz-executor.4 51626 81956 49628 0 2 0xc000000 syz-executor.4 35513 340084 62866 0 2 0x8000000 syz-executor.6 74915 7551 25802 0 2 0x8000000 syz-executor.7 30176 228002 40193 0 2 0x8000000 syz-executor.2 30176 468062 40193 0 3 0xc000080 fsleep syz-executor.2 30176 252502 40193 0 3 0xc000000 biowait syz-executor.2 36761 74333 83061 0 2 0x8000000 syz-executor.1 36761 235704 83061 0 7 0xc000000 syz-executor.1 36761 263791 83061 0 2 0xc000000 syz-executor.1 *36761 350964 83061 0 7 0xc000000 syz-executor.1 26343 303920 49433 0 2 0x8000002 syz-executor.3 62866 45480 49433 0 3 0x8000082 nanoslp syz-executor.6 82778 402478 49433 0 3 0x8000002 biowait syz-executor.5 40193 474682 49433 0 2 0x8000002 syz-executor.2 49628 239582 49433 0 3 0x8000082 nanoslp syz-executor.4 25802 352850 49433 0 3 0x8000082 nanoslp syz-executor.7 41599 511753 49433 0 3 0x8000002 biowait syz-executor.0 83061 825 49433 0 3 0x8000082 nanoslp syz-executor.1 49433 465528 64531 0 3 0x18000082 wait syz-execprog 49433 9080 64531 0 3 0x1c000082 nanoslp syz-execprog 49433 20914 64531 0 3 0x1c000082 wait syz-execprog 49433 425807 64531 0 3 0x1c000082 thrsleep syz-execprog 49433 252251 64531 0 3 0x1c000082 thrsleep syz-execprog 49433 150908 64531 0 3 0x1c000082 wait syz-execprog 49433 200397 64531 0 3 0x1c000082 wait syz-execprog 49433 65615 64531 0 3 0x1c000082 wait syz-execprog 49433 40726 64531 0 3 0x1c000082 wait syz-execprog 49433 197168 64531 0 3 0x1c000082 wait syz-execprog 49433 276277 64531 0 3 0x1c000082 wait syz-execprog 49433 232226 64531 0 3 0x1c000082 thrsleep syz-execprog 49433 436117 64531 0 3 0x1c000082 thrsleep syz-execprog 49433 146008 64531 0 3 0x1c000082 kqread syz-execprog 49433 283156 64531 0 3 0x1c000082 thrsleep syz-execprog 64531 236276 15591 0 3 0x810008a sigsusp ksh 15591 90016 65053 0 3 0x18000098 kqread sshd-session 65053 399646 68701 0 3 0x18000092 kqread sshd-session 42851 272718 1 0 3 0x18100083 ttyin getty 68701 145619 1 0 3 0x18000088 kqread sshd 40370 361360 91132 74 3 0x19100092 bpf pflogd 91132 124639 1 0 3 0x18000080 sbwait pflogd 48606 487815 62117 73 3 0x19100090 kqread syslogd 62117 217963 1 0 3 0x18100082 sbwait syslogd 54137 77276 1 0 3 0x18100080 kqread resolvd 75788 139304 3736 77 3 0x18100092 kqread dhcpleased 45356 125854 3736 77 3 0x18100092 kqread dhcpleased 3736 108575 1 0 3 0x18000080 kqread dhcpleased 20506 93541 0 0 3 0x14200 bored smr 71528 396611 0 0 3 0x14200 pgzero zerothread 9564 330573 0 0 3 0x14200 aiodoned aiodoned 68766 226896 0 0 3 0x14200 syncer update 31700 462985 0 0 3 0x14200 cleaner cleaner 71521 392582 0 0 3 0x14200 reaper reaper 25551 324021 0 0 3 0x14200 pgdaemon pagedaemon 61535 358940 0 0 3 0x14200 bored viomb 18151 293118 0 0 3 0x40014200 acpi0 acpi0 92269 60664 0 0 3 0x40014200 idle1 93493 467643 0 0 3 0x14200 bored softnet3 62601 453651 0 0 3 0x14200 bored softnet2 74027 80642 0 0 3 0x14200 bored softnet1 76605 369157 0 0 3 0x14200 bored softnet0 49292 62574 0 0 3 0x14200 bored systqmp 17514 24289 0 0 3 0x14200 bored systq 36099 253176 0 0 3 0x14200 tmoslp softclockmp 95764 225003 0 0 3 0x40014200 tmoslp softclock 24118 248551 0 0 3 0x40014200 idle0 1 114379 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 30176 (syz-executor.2) thread 0xffff8000ffff22b8 (252502) exclusive rrwlock inode r = 0 (0xfffffd806b15a700) #0 witness_lock+0x5b8 #1 rw_enter+0x41b #2 rrw_enter+0xbe #3 VOP_LOCK+0xa6 #4 ufs_ihashins+0x4f #5 ffs_vget+0x187 #6 ffs_inode_alloc+0x283 #7 ufs_mkdir+0x113 #8 VOP_MKDIR+0x102 #9 domkdirat+0x179 #10 syscall+0xaf8 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806b80de68) #0 witness_lock+0x5b8 #1 rw_enter+0x41b #2 rrw_enter+0xbe #3 VOP_LOCK+0xa6 #4 vn_lock+0xa4 #5 vget+0x2bd #6 ufs_ihashget+0x171 #7 ffs_vget+0x8c #8 ufs_lookup+0x16bc #9 VOP_LOOKUP+0x6e #10 vfs_lookup+0x8fa #11 namei+0x7aa #12 domkdirat+0x8b #13 syscall+0xaf8 #14 Xsyscall+0x128 Process 36761 (syz-executor.1) thread 0xffff80002a04fc00 (263791) exclusive rrwlock inode r = 0 (0xfffffd8067630f88) #0 witness_lock+0x5b8 #1 rw_enter+0x41b #2 rrw_enter+0xbe #3 VOP_LOCK+0xa6 #4 vn_lock+0xa4 #5 vget+0x2bd #6 cache_lookup+0x36e #7 ufs_lookup+0x218 #8 VOP_LOOKUP+0x6e #9 vfs_lookup+0x8fa #10 namei+0x7aa #11 dorenameat+0x91 #12 syscall+0xaf8 #13 Xsyscall+0x128 Process 36761 (syz-executor.1) thread 0xffff8000ffff2f60 (350964) exclusive rrwlock inode r = 0 (0xfffffd806b15a5f0) #0 witness_lock+0x5b8 #1 rw_enter+0x41b #2 rrw_enter+0xbe #3 VOP_LOCK+0xa6 #4 vn_lock+0xa4 #5 vget+0x2bd #6 ufs_ihashget+0x171 #7 ffs_vget+0x8c #8 ufs_lookup+0x19f8 #9 VOP_LOOKUP+0x6e #10 vfs_relookup+0xd4 #11 ufs_rename+0x15e4 #12 VOP_RENAME+0x13c #13 dorenameat+0x3f8 #14 syscall+0xaf8 #15 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806b15a920) #0 witness_lock+0x5b8 #1 rw_enter+0x41b #2 rrw_enter+0xbe #3 VOP_LOCK+0xa6 #4 vn_lock+0xa4 #5 vfs_relookup+0x5c #6 ufs_rename+0x15e4 #7 VOP_RENAME+0x13c #8 dorenameat+0x3f8 #9 syscall+0xaf8 #10 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835732f8) #0 witness_lock+0x5b8 #1 __mp_acquire_count+0x58 #2 mi_switch+0x658 #3 sleep_finish+0x229 #4 rw_enter+0x348 #5 rrw_enter+0xbe #6 VOP_LOCK+0xa6 #7 vn_lock+0xa4 #8 vfs_relookup+0x5c #9 ufs_rename+0x15e4 #10 VOP_RENAME+0x13c #11 dorenameat+0x3f8 #12 syscall+0xaf8 #13 Xsyscall+0x128 Process 82778 (syz-executor.5) thread 0xffff80002a04ecd0 (402478) exclusive rrwlock inode r = 0 (0xfffffd806b80dd58) #0 witness_lock+0x5b8 #1 rw_enter+0x41b #2 rrw_enter+0xbe #3 VOP_LOCK+0xa6 #4 vn_lock+0xa4 #5 vget+0x2bd #6 ufs_ihashget+0x171 #7 ffs_vget+0x8c #8 ufs_lookup+0x19f8 #9 VOP_LOOKUP+0x6e #10 vfs_lookup+0x8fa #11 namei+0x7aa #12 dounlinkat+0xc1 #13 syscall+0xaf8 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806b80d5e8) #0 witness_lock+0x5b8 #1 rw_enter+0x41b #2 rrw_enter+0xbe #3 VOP_LOCK+0xa6 #4 vn_lock+0xa4 #5 vget+0x2bd #6 cache_lookup+0x36e #7 ufs_lookup+0x218 #8 VOP_LOOKUP+0x6e #9 vfs_lookup+0x8fa #10 namei+0x7aa #11 dounlinkat+0xc1 #12 syscall+0xaf8 #13 Xsyscall+0x128 Process 41599 (syz-executor.0) thread 0xffff80002a04f6f0 (511753) exclusive rrwlock inode r = 0 (0xfffffd80676305f8) #0 witness_lock+0x5b8 #1 rw_enter+0x41b #2 rrw_enter+0xbe #3 VOP_LOCK+0xa6 #4 vn_lock+0xa4 #5 vget+0x2bd #6 ufs_ihashget+0x171 #7 ffs_vget+0x8c #8 ufs_lookup+0x19f8 #9 VOP_LOOKUP+0x6e #10 vfs_lookup+0x8fa #11 namei+0x7aa #12 dounlinkat+0xc1 #13 syscall+0xaf8 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80676303d8) #0 witness_lock+0x5b8 #1 rw_enter+0x41b #2 rrw_enter+0xbe #3 VOP_LOCK+0xa6 #4 vn_lock+0xa4 #5 vget+0x2bd #6 cache_lookup+0x36e #7 ufs_lookup+0x218 #8 VOP_LOOKUP+0x6e #9 vfs_lookup+0x8fa #10 namei+0x7aa #11 dounlinkat+0xc1 #12 syscall+0xaf8 #13 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10180 10154K 10154K 166960K 11261 0 pcb 17 12K 12K 166960K 17 0 rtable 234 6K 6K 166960K 380 0 pf 32 9K 10K 166960K 46 0 ifaddr 45 15K 15K 166960K 51 0 ifgroup 55 2K 2K 166960K 60 0 counters 64 36K 36K 166960K 66 0 ioctlops 0 0K 4K 166960K 1484 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1261 79K 79K 166960K 1280 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 15 53K 89K 166960K 183 0 proc 67 91K 128K 166960K 554 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 in_multi 99 7K 7K 166960K 110 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 25 122K 122K 166960K 25 0 exec 0 0K 1K 166960K 426 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 261 74K 75K 166960K 4559 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 41 82K 112K 166960K 1562 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 28 2K 2K 166960K 31 0 temp 1 6800K 6864K 166960K 5163 0 kqueue 13 20K 20K 166960K 46 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 36 0 33 1 0 1 1 0 8 0 rtentry 112 122 0 12 4 0 4 4 0 8 0 unpcb 144 69 0 52 1 0 1 1 0 8 0 syncache 336 9 0 9 2 1 1 1 0 8 1 tcpcb 808 12 0 9 1 0 1 1 0 8 0 arp 120 20 0 2 1 0 1 1 0 8 0 inpcb 336 73 0 67 1 0 1 1 0 8 0 nd6 136 27 0 3 2 1 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 24 0 4 1 0 1 1 0 8 0 pfstkey 128 24 0 4 1 0 1 1 0 8 0 pfstate 376 24 0 4 2 0 2 2 0 8 0 pfrule 1344 21 0 15 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 501 0 48 32 3 29 29 0 8 0 art_table 32 502 0 48 5 1 4 4 0 8 0 art_node 16 121 0 21 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1725 0 184 97 0 97 97 0 8 0 ffsino 272 1725 0 184 104 0 104 104 0 8 0 nchpl 144 2143 0 354 67 0 67 67 0 8 0 uvmvnodes 80 1739 0 0 36 0 36 36 0 8 0 vnodes 216 1739 0 0 97 0 97 97 0 8 0 namei 1024 11616 0 11612 4 2 2 2 0 8 1 percpumem 16 47 0 1 1 0 1 1 0 8 0 kstatmem 264 26 0 2 2 0 2 2 0 8 0 scxspl 216 9298 0 9295 10 9 1 8 1 8 0 plimitpl 152 59 0 42 1 0 1 1 0 8 0 sigapl 424 540 0 492 8 1 7 7 0 8 0 futexpl 64 166 0 165 2 1 1 1 0 8 0 knotepl 120 127 0 0 4 0 4 4 0 8 0 kqueuepl 216 42 0 33 1 0 1 1 0 8 0 pipepl 320 188 0 160 5 2 3 3 0 8 0 fdescpl 496 522 0 493 6 1 5 5 0 8 0 filepl 152 2258 0 2119 7 1 6 6 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 35 0 18 1 0 1 1 0 8 0 pgrppl 48 35 0 18 1 0 1 1 0 8 0 ucredpl 104 116 0 103 1 0 1 1 0 8 0 zombiepl 144 493 0 492 2 1 1 1 0 8 0 processpl 1152 540 0 492 6 1 5 5 0 8 0 procpl 648 599 0 531 7 1 6 6 0 8 0 sockpl 664 178 0 152 4 1 3 3 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 354 0 0 42 0 42 42 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 360 0 0 21 0 21 21 0 8 0 bufpl 280 4470 0 163 308 0 308 308 0 8 0 anonpl 24 279600 0 275241 67 15 52 56 0 185 22 amapchunkpl 152 16014 0 15423 41 13 28 29 0 158 3 amappl16 200 7529 0 7440 8 3 5 5 0 8 0 amappl15 192 13 0 13 2 2 0 1 0 8 0 amappl14 184 232 0 219 3 1 2 2 0 8 1 amappl13 176 11 0 11 2 2 0 1 0 8 0 amappl12 168 1244 0 1214 4 2 2 2 0 8 0 amappl11 160 74 0 60 1 0 1 1 0 8 0 amappl10 152 85 0 75 2 1 1 1 0 8 0 amappl9 144 447 0 447 3 2 1 1 0 8 1 amappl8 136 218 0 191 2 0 2 2 0 8 0 amappl7 128 221 0 201 3 1 2 2 0 8 0 amappl6 120 304 0 301 2 1 1 1 0 8 0 amappl5 112 198 0 187 1 0 1 1 0 8 0 amappl4 104 543 0 519 3 1 2 2 0 8 1 amappl3 96 3690 0 3604 5 2 3 3 0 8 0 amappl2 88 1170 0 1092 6 2 4 4 0 8 1 amappl1 80 15654 0 15047 35 13 22 24 0 8 8 amappl 88 3796 0 3623 8 3 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 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 522 0 493 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 522 0 493 1 0 1 1 0 8 0 vmmpekpl 168 13173 0 13142 2 0 2 2 0 8 0 vmmpepl 168 68022 0 66144 139 14 125 126 0 357 37 vmsppl 440 521 0 493 8 3 5 5 0 8 0 rwobjpl 56 29910 0 27122 57 9 48 48 0 8 1 pdppl 4096 1051 0 986 127 44 83 83 0 8 18 pvpl 32 50004 0 0 407 3 404 404 0 265 0 pmappl 248 521 0 493 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 440 0 52 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8347cff0) at x86_ipi_db+0x27 x86_ipi_handler() at x86_ipi_handler+0xd9 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff835730f0) at __mp_lock+0x192 intr_handler(ffff80002a214900,ffff80000006bc00) at intr_handler+0xe1 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff835730f0) at __mp_lock+0x19e syscall(ffff80002a214ad0) at syscall+0xad6 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8b27cd87dd0, count: 6 ddb{0}> trace x86_ipi_db(ffffffff8347cff0) at x86_ipi_db+0x27 x86_ipi_handler() at x86_ipi_handler+0xd9 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff835730f0) at __mp_lock+0x192 intr_handler(ffff80002a214900,ffff80000006bc00) at intr_handler+0xe1 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff835730f0) at __mp_lock+0x19e syscall(ffff80002a214ad0) at syscall+0xad6 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8b27cd87dd0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 panic(ffffffff82fe9bf6) at panic+0x1e5 ufs_rename(ffff80002a220af8) at ufs_rename+0x18b2 VOP_RENAME(fffffd8067560d98,fffffd807c0672b0,ffff80002a220cc8,fffffd8067560be8,0,ffff80002a220c18) at VOP_RENAME+0x13c dorenameat(ffff8000ffff2f60,ffffff9c,200001c0,ffffff9c,20000200) at dorenameat+0x3f8 syscall(ffff80002a220e60) at syscall+0xaf8 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8b2485681b0, count: 8 ddb{1}> trace db_enter() at db_enter+0x25 panic(ffffffff82fe9bf6) at panic+0x1e5 ufs_rename(ffff80002a220af8) at ufs_rename+0x18b2 VOP_RENAME(fffffd8067560d98,fffffd807c0672b0,ffff80002a220cc8,fffffd8067560be8,0,ffff80002a220c18) at VOP_RENAME+0x13c dorenameat(ffff8000ffff2f60,ffffff9c,200001c0,ffffff9c,20000200) at dorenameat+0x3f8 syscall(ffff80002a220e60) at syscall+0xaf8 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8b2485681b0, count: -7