panic: ufs_rename: lost dir entry Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 177385 64534 0 0 0 0 syz-executor.1 *331027 77195 0 0 0 1K syz-executor.4 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827b79e4) at panic+0x17b sys/kern/subr_prf.c:198 ufs_rename(ffff8000213db5b8) at ufs_rename+0x15b1 sys/ufs/ufs/ufs_vnops.c:908 VOP_RENAME(fffffd807efa91b0,fffffd8069eb6960,ffff8000213db788,fffffd8069eb61c8,fffffd8069eb6be8,ffff8000213db6d8) at VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370 dorenameat(ffff800021382008,ffffff9c,20000080,ffffff9c,200000c0) at dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994 syscall(ffff8000213db920) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000213db920) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78f2dfc8a5b0, 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+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827b79e4) at panic+0x17b sys/kern/subr_prf.c:198 ufs_rename(ffff8000213db5b8) at ufs_rename+0x15b1 sys/ufs/ufs/ufs_vnops.c:908 VOP_RENAME(fffffd807efa91b0,fffffd8069eb6960,ffff8000213db788,fffffd8069eb61c8,fffffd8069eb6be8,ffff8000213db6d8) at VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370 dorenameat(ffff800021382008,ffffff9c,20000080,ffffff9c,200000c0) at dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994 syscall(ffff8000213db920) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000213db920) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78f2dfc8a5b0, count: -7 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000213db340 rbx 0xffff800020d59ba7 rdx 0x3fd rcx 0 rax 0x22 r8 0x101010101010101 r9 0x8080808080808080 r10 0xe607eb065fbc223f r11 0x29117e58b82bb12d r12 0xffff800020d599a8 r13 0 r14 0 r15 0x1 rip 0xffffffff82539d8c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff8000213db330 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.4) tid=331027 pid=77195 tcnt=1 stat=onproc flags process=0 proc=0 runpri=32, usrpri=68, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff800021382d50,0xffff800021383008 process=0xffff8000212925c8 user=0xffff8000213d6000, vmspace=0xfffffd8069a721e8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 66021 308532 98460 0 2 0 syz-executor.5 42934 304802 29853 0 2 0 syz-executor.3 958 219275 95994 0 3 0 biowait syz-executor.2 64534 177385 4266 0 7 0 syz-executor.1 *77195 331027 760 0 7 0 syz-executor.4 760 394453 69682 0 3 0x82 nanoslp syz-executor.4 20359 432945 69682 0 3 0x2 getblk syz-executor.7 29853 421893 69682 0 3 0x82 nanoslp syz-executor.3 95994 243350 69682 0 3 0x82 nanoslp syz-executor.2 36239 431539 69682 0 3 0x2 biowait syz-executor.6 98460 205498 69682 0 3 0x82 nanoslp syz-executor.5 71099 404227 69682 0 3 0x2 getblk syz-executor.0 4266 432592 69682 0 3 0x82 nanoslp syz-executor.1 69682 398125 46631 0 3 0x2000082 thrsleep syz-execprog 69682 417738 46631 0 3 0x6000082 nanoslp syz-execprog 69682 152804 46631 0 3 0x6000082 kqread syz-execprog 69682 390791 46631 0 3 0x6000082 thrsleep syz-execprog 69682 266630 46631 0 3 0x6000082 wait syz-execprog 69682 10352 46631 0 3 0x6000082 wait syz-execprog 69682 189746 46631 0 3 0x6000082 wait syz-execprog 69682 245180 46631 0 3 0x6000082 thrsleep syz-execprog 69682 326130 46631 0 3 0x6000082 wait syz-execprog 69682 258378 46631 0 3 0x6000082 thrsleep syz-execprog 69682 262223 46631 0 3 0x6000082 wait syz-execprog 69682 470472 46631 0 3 0x6000082 wait syz-execprog 69682 403304 46631 0 3 0x6000082 wait syz-execprog 69682 409814 46631 0 3 0x6000082 wait syz-execprog 69682 146911 46631 0 3 0x6000082 thrsleep syz-execprog 69682 379838 46631 0 3 0x6000082 thrsleep syz-execprog 46631 382359 97090 0 3 0x10008a sigsusp ksh 97090 57679 87059 0 3 0x9a kqread sshd 70152 323066 1 0 3 0x100083 ttyin getty 87059 484603 1 0 3 0x88 kqread sshd 2309 482512 34562 74 3 0x1100092 bpf pflogd 34562 341730 1 0 3 0x80 netio pflogd 62803 415579 97382 73 3 0x1100090 kqread syslogd 97382 159891 1 0 3 0x100082 netio syslogd 66725 450068 1 0 3 0x100080 kqread resolvd 56698 472970 35772 77 3 0x100092 kqread dhcpleased 12246 509975 35772 77 3 0x100092 kqread dhcpleased 35772 44268 1 0 3 0x80 kqread dhcpleased 11357 26238 0 0 3 0x14200 bored smr 14735 378877 0 0 3 0x14200 pgzero zerothread 40646 77288 0 0 3 0x14200 aiodoned aiodoned 11312 373438 0 0 3 0x14200 syncer update 51217 391449 0 0 3 0x14200 cleaner cleaner 12745 185057 0 0 3 0x14200 reaper reaper 5397 10183 0 0 3 0x14200 pgdaemon pagedaemon 24759 286911 0 0 3 0x14200 bored viomb 24396 434731 0 0 3 0x40014200 acpi0 acpi0 99240 277857 0 0 3 0x40014200 idle1 9700 288223 0 0 3 0x14200 bored softnet3 1376 10434 0 0 3 0x14200 bored softnet2 47499 304361 0 0 3 0x14200 bored softnet1 55676 378001 0 0 3 0x14200 bored softnet0 63862 385936 0 0 3 0x14200 bored systqmp 98078 258537 0 0 3 0x14200 bored systq 74749 78484 0 0 3 0x14200 tmoslp softclockmp 12434 491431 0 0 3 0x40014200 tmoslp softclock 3731 440357 0 0 3 0x40014200 idle0 1 133180 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 958 (syz-executor.2) thread 0xffff8000213822b0 (219275) exclusive rrwlock inode r = 0 (0xfffffd80733d0a28) #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_relookup+0x57 sys/kern/vfs_lookup.c:778 #6 ufs_rename+0xc43 sys/ufs/ufs/ufs_vnops.c:892 #7 VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370 #8 dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994 #9 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #9 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #10 Xsyscall+0x128 Process 77195 (syz-executor.4) thread 0xffff800021382008 (331027) exclusive rrwlock inode r = 0 (0xfffffd80733d03c8) #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 vget+0x200 sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1314 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_relookup+0xb4 sys/kern/vfs_lookup.c:787 #11 ufs_rename+0x13c4 sys/ufs/ufs/ufs_vnops.c:1042 #12 VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370 #13 dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994 #14 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #14 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #15 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807e9dc6f8) #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_relookup+0x57 sys/kern/vfs_lookup.c:778 #6 ufs_rename+0x13c4 sys/ufs/ufs/ufs_vnops.c:1042 #7 VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370 #8 dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994 #9 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #9 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #10 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82d0be80) #0 witness_lock+0x447 #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x46d sys/kern/sched_bsd.c:470 #3 sleep_finish+0x19b sys/kern/kern_synch.c:414 #4 rw_enter+0x341 sys/kern/kern_rwlock.c:285 #5 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #6 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #7 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #8 vfs_relookup+0x57 sys/kern/vfs_lookup.c:778 #9 ufs_rename+0x13c4 sys/ufs/ufs/ufs_vnops.c:1042 #10 VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370 #11 dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994 #12 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #12 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #13 Xsyscall+0x128 Process 20359 (syz-executor.7) thread 0xffff80002129f298 (432945) exclusive rrwlock inode r = 0 (0xfffffd80733d01a8) #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 (0xfffffd806b5d7928) #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 36239 (syz-executor.6) thread 0xffff80002129eaa0 (431539) exclusive rrwlock inode r = 0 (0xfffffd80733d05e8) #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 (0xfffffd806b5d71b8) #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 71099 (syz-executor.0) thread 0xffff8000211ebab0 (404227) exclusive rrwlock inode r = 0 (0xfffffd80733d06f8) #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 vn_closefile+0xca vn_close sys/kern/vfs_vnops.c:292 [inline] #5 vn_closefile+0xca sys/kern/vfs_vnops.c:609 #6 fdrop+0xcb sys/kern/kern_descrip.c:1274 #7 closef+0x120 sys/kern/kern_descrip.c:1258 #8 syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x606 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10186 6474K 6482K 78643K 11266 0 pcb 13 8K 8K 78643K 13 0 rtable 234 6K 6K 78643K 354 0 pf 32 9K 10K 78643K 43 0 ifaddr 45 15K 15K 78643K 47 0 ifgroup 55 2K 2K 78643K 55 0 counters 60 35K 35K 78643K 60 0 ioctlops 0 0K 4K 78643K 1483 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1175 73K 74K 78643K 1192 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 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 15 53K 93K 78643K 21873 0 proc 67 91K 115K 78643K 526 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 99 7K 7K 78643K 99 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 25 122K 122K 78643K 25 0 exec 0 0K 1K 78643K 390 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 249 75K 76K 78643K 90564 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 12 0K 1K 78643K 28 0 temp 1 5904K 5968K 78643K 55587 0 kqueue 12 18K 18K 78643K 25 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 36 0 33 1 0 1 1 0 8 0 rtentry 112 111 0 1 4 0 4 4 0 8 0 unpcb 144 35 0 20 1 0 1 1 0 8 0 syncache 304 5 0 5 2 2 0 1 0 8 0 tcpqe 32 156 0 156 1 1 0 1 0 8 0 tcpcb 808 8 0 5 1 0 1 1 0 8 0 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 368 65 0 59 1 0 1 1 0 8 0 nd6 136 24 0 0 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 27 0 26 1 0 1 1 0 8 0 pfstkey 128 27 0 26 1 0 1 1 0 8 0 pfstate 376 27 0 26 3 2 1 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 256 452 0 0 29 0 29 29 0 8 0 art_table 32 453 0 0 4 0 4 4 0 8 0 art_node 16 110 0 10 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 28091 0 26643 91 0 91 91 0 8 0 ffsino 272 28092 0 26643 97 0 97 97 0 8 0 nchpl 144 83755 0 83251 63 40 23 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 231796 0 231789 3 1 2 2 0 8 0 percpumem 16 43 0 0 1 0 1 1 0 8 0 kstatmem 264 24 0 0 2 0 2 2 0 8 0 scxspl 216 189078 0 189076 11 10 1 8 1 8 0 plimitpl 152 35 0 19 1 0 1 1 0 8 0 sigapl 424 22201 0 22155 8 2 6 7 0 8 0 knotepl 120 110 0 0 4 0 4 4 0 8 0 kqueuepl 216 21 0 13 1 0 1 1 0 8 0 pipepl 320 146 0 118 4 1 3 3 0 8 0 fdescpl 496 22183 0 22155 5 1 4 5 0 8 0 filepl 152 49127 0 48991 6 0 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 26 0 9 1 0 1 1 0 8 0 pgrppl 48 26 0 9 1 0 1 1 0 8 0 ucredpl 104 71 0 59 1 0 1 1 0 8 0 zombiepl 144 22155 0 22155 2 1 1 1 0 8 1 processpl 1072 22201 0 22155 4 0 4 4 0 8 0 procpl 680 22216 0 22155 7 1 6 6 0 8 0 sockpl 488 136 0 112 5 1 4 4 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 300 0 0 37 7 30 37 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 320 0 0 20 0 20 20 0 8 0 bufpl 288 30778 0 24451 453 0 453 453 0 8 0 anonpl 24 735961 0 730427 67 33 34 54 0 186 0 amapchunkpl 152 251104 0 250509 28 3 25 26 0 158 1 amappl16 200 27454 0 27350 11 5 6 6 0 8 0 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 173 0 160 2 1 1 2 0 8 0 amappl13 176 17 0 17 1 1 0 1 0 8 0 amappl12 168 22858 0 22829 4 2 2 3 0 8 0 amappl11 160 58 0 44 1 0 1 1 0 8 0 amappl10 152 25 0 17 2 1 1 1 0 8 0 amappl9 144 193 0 193 2 2 0 1 0 8 0 amappl8 136 181 0 142 2 0 2 2 0 8 0 amappl7 128 115 0 104 1 0 1 1 0 8 0 amappl6 120 279 0 259 2 1 1 2 0 8 0 amappl5 112 180 0 168 1 0 1 1 0 8 0 amappl4 104 622 0 580 2 0 2 2 0 8 0 amappl3 96 46137 0 46069 4 2 2 3 0 8 0 amappl2 88 22458 0 22386 4 2 2 3 0 8 0 amappl1 80 68900 0 68345 29 17 12 23 0 8 0 amappl 88 90053 0 89889 4 0 4 4 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 22183 0 22155 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 22183 0 22155 1 0 1 1 0 8 0 vmmpekpl 168 61022 0 60993 2 0 2 2 0 8 0 vmmpepl 168 701848 0 700105 122 42 80 117 0 357 0 vmsppl 464 22182 0 22155 5 1 4 5 0 8 0 rwobjpl 56 62842 0 55843 100 1 99 99 0 8 0 pdppl 4096 44374 0 44310 328 260 68 84 0 8 4 pvpl 32 3413046 0 3402196 355 264 91 341 0 265 0 pmappl 248 22182 0 22155 3 1 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1076 0 271 24 0 24 24 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82c1dff0) 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 __mp_lock(ffffffff82d0bc78) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d0bc78) at __mp_lock+0x129 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82d0bc78,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x46d sys/kern/sched_bsd.c:470 sleep_finish(0,1) at sleep_finish+0x19b sys/kern/kern_synch.c:414 rw_enter(fffffd807e9dc7f8,1) at rw_enter+0x341 sys/kern/kern_rwlock.c:285 rrw_enter(fffffd807e9dc7f8,1) at rrw_enter+0x8c sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd807efa9000,2001) at VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 vn_lock(fffffd807efa9000,2001) at vn_lock+0x84 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff8000213a1a28) at vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 namei(ffff8000213a1a28) at namei+0x55a sys/kern/vfs_lookup.c:250 dorenameat(ffff800021382ff8,ffffff9c,20000080,ffffff9c,200000c0) at dorenameat+0x7f sys/kern/vfs_syscalls.c:2950 end trace frame: 0xffff8000213a1c10, count: 0 ddb{0}> trace x86_ipi_db(ffffffff82c1dff0) 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 __mp_lock(ffffffff82d0bc78) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d0bc78) at __mp_lock+0x129 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82d0bc78,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x46d sys/kern/sched_bsd.c:470 sleep_finish(0,1) at sleep_finish+0x19b sys/kern/kern_synch.c:414 rw_enter(fffffd807e9dc7f8,1) at rw_enter+0x341 sys/kern/kern_rwlock.c:285 rrw_enter(fffffd807e9dc7f8,1) at rrw_enter+0x8c sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd807efa9000,2001) at VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 vn_lock(fffffd807efa9000,2001) at vn_lock+0x84 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff8000213a1a28) at vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 namei(ffff8000213a1a28) at namei+0x55a sys/kern/vfs_lookup.c:250 dorenameat(ffff800021382ff8,ffffff9c,20000080,ffffff9c,200000c0) at dorenameat+0x7f sys/kern/vfs_syscalls.c:2950 syscall(ffff8000213a1c20) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000213a1c20) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x745123564670, count: -16 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x1c: addq $0x8,%rsp db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827b79e4) at panic+0x17b sys/kern/subr_prf.c:198 ufs_rename(ffff8000213db5b8) at ufs_rename+0x15b1 sys/ufs/ufs/ufs_vnops.c:908 VOP_RENAME(fffffd807efa91b0,fffffd8069eb6960,ffff8000213db788,fffffd8069eb61c8,fffffd8069eb6be8,ffff8000213db6d8) at VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370 dorenameat(ffff800021382008,ffffff9c,20000080,ffffff9c,200000c0) at dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994 syscall(ffff8000213db920) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000213db920) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78f2dfc8a5b0, count: 8 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827b79e4) at panic+0x17b sys/kern/subr_prf.c:198 ufs_rename(ffff8000213db5b8) at ufs_rename+0x15b1 sys/ufs/ufs/ufs_vnops.c:908 VOP_RENAME(fffffd807efa91b0,fffffd8069eb6960,ffff8000213db788,fffffd8069eb61c8,fffffd8069eb6be8,ffff8000213db6d8) at VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370 dorenameat(ffff800021382008,ffffff9c,20000080,ffffff9c,200000c0) at dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994 syscall(ffff8000213db920) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000213db920) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78f2dfc8a5b0, count: -7