panic: ufs_rename: lost dir entry Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *468777 75004 0 0x1010 0x4080000 0K syz-executor.5 203106 64111 0 0x2000002 0x4000000 1 syz-fuzzer db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827b0e1d) at panic+0x17b sys/kern/subr_prf.c:198 ufs_rename(ffff800026127128) at ufs_rename+0x15b1 sys/ufs/ufs/ufs_vnops.c:908 VOP_RENAME(fffffd807bd0a960,fffffd805af5c010,ffff8000261272f8,fffffd807bd0a960,0,ffff800026127248) at VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370 dorenameat(ffff8000212d8dd8,ffffff9c,20000180,ffffff9c,20000080) at dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994 syscall(ffff800026127490) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800026127490) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b92d6d9c80, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: ufs_rename: lost dir entry ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827b0e1d) at panic+0x17b sys/kern/subr_prf.c:198 ufs_rename(ffff800026127128) at ufs_rename+0x15b1 sys/ufs/ufs/ufs_vnops.c:908 VOP_RENAME(fffffd807bd0a960,fffffd805af5c010,ffff8000261272f8,fffffd807bd0a960,0,ffff800026127248) at VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370 dorenameat(ffff8000212d8dd8,ffffff9c,20000180,ffffff9c,20000080) at dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994 syscall(ffff800026127490) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800026127490) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b92d6d9c80, count: -7 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800026126eb0 rbx 0xffffffff82c40b9f cpu_info_full_primary+0x2b9f rdx 0 rcx 0xffff8000212d8dd8 rax 0xffffffff82c3fff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x8a073c7f7c4e1564 r11 0xc5096e6f07732c0a r12 0xffffffff82c409a0 cpu_info_full_primary+0x29a0 r13 0 r14 0 r15 0x1 rip 0xffffffff81f24dbc db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff800026126ea0 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.5) pid=468777 stat=onproc flags process=1010 proc=4080000 pri=17, usrpri=76, nice=20 forw=0xffffffffffffffff, list=0xffff8000212d9090,0xffff8000212d98c8 process=0xffff80002e44c458 user=0xffff800026122000, vmspace=0xfffffd8065a0fb00 estcpu=26, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 87784 42296 93179 0 2 0 syz-executor.3 87784 108136 93179 0 2 0x4000000 syz-executor.3 87784 331621 93179 0 2 0x4000000 syz-executor.3 51496 379694 15009 0 3 0x80 nanoslp syz-executor.1 51496 245412 15009 0 3 0x4000080 netcon syz-executor.1 51496 250031 15009 0 3 0x4000080 fsleep syz-executor.1 51496 320291 15009 0 3 0x4000080 fsleep syz-executor.1 93109 386116 67973 0 3 0x80 nanoslp syz-executor.0 93109 294586 67973 0 3 0x4000080 netcon syz-executor.0 93109 100270 67973 0 3 0x4000080 fsleep syz-executor.0 *75004 468777 80817 0 7 0x4081010 syz-executor.5 75004 305690 80817 0 3 0x4003010 suspend syz-executor.5 93179 415967 64111 0 3 0x82 nanoslp syz-executor.3 42578 478967 64111 0 3 0x82 nanoslp syz-executor.2 88599 242565 64111 0 2 0x2 syz-executor.6 18158 468976 0 0 3 0x14200 bored sosplice 44264 75150 64111 0 2 0x2 syz-executor.7 80817 393083 64111 0 3 0x82 nanoslp syz-executor.5 95482 395748 64111 0 2 0x2 syz-executor.4 15009 512289 64111 0 2 0x2 syz-executor.1 67973 57016 64111 0 3 0x82 nanoslp syz-executor.0 64111 228519 27906 0 2 0x2000002 syz-fuzzer 64111 251165 27906 0 3 0x6000082 nanoslp syz-fuzzer 64111 153514 27906 0 3 0x6000082 wait syz-fuzzer 64111 422344 27906 0 3 0x6000082 wait syz-fuzzer 64111 398335 27906 0 3 0x6000082 wait syz-fuzzer 64111 203106 27906 0 7 0x6000002 syz-fuzzer 64111 179360 27906 0 3 0x6000082 thrsleep syz-fuzzer 64111 461284 27906 0 3 0x6000082 wait syz-fuzzer 64111 367275 27906 0 3 0x6000082 thrsleep syz-fuzzer 64111 6213 27906 0 3 0x6000082 wait syz-fuzzer 64111 253148 27906 0 3 0x6000082 thrsleep syz-fuzzer 64111 412470 27906 0 3 0x6000082 wait syz-fuzzer 64111 385330 27906 0 3 0x6000082 wait syz-fuzzer 64111 280852 27906 0 3 0x6000082 thrsleep syz-fuzzer 64111 215545 27906 0 3 0x6000082 wait syz-fuzzer 64111 482004 27906 0 3 0x6000082 thrsleep syz-fuzzer 27906 493075 74431 0 3 0x10008a sigsusp ksh 74431 293166 36379 0 2 0x12 sshd 84476 23210 1 0 3 0x100083 ttyin getty 36379 96020 1 0 3 0x88 kqread sshd 27000 322048 75719 74 3 0x1100092 bpf pflogd 75719 105526 1 0 3 0x80 netio pflogd 86246 462834 48776 73 3 0x1100090 kqread syslogd 48776 351814 1 0 3 0x100082 netio syslogd 81789 281109 1 0 3 0x100080 kqread resolvd 55268 324710 62232 77 3 0x100092 kqread dhcpleased 11606 342228 62232 77 3 0x100092 kqread dhcpleased 62232 473801 1 0 3 0x80 kqread dhcpleased 69216 122103 0 0 3 0x14200 bored smr 71754 327522 0 0 2 0x14200 zerothread 49913 511528 0 0 3 0x14200 aiodoned aiodoned 19849 34163 0 0 3 0x14200 syncer update 86816 212161 0 0 3 0x14200 cleaner cleaner 3368 78194 0 0 3 0x14200 reaper reaper 90366 398688 0 0 3 0x14200 pgdaemon pagedaemon 29486 502427 0 0 3 0x14200 bored viomb 46651 53260 0 0 3 0x40014200 acpi0 acpi0 3984 245836 0 0 3 0x40014200 idle1 78894 215427 0 0 3 0x14200 bored softnet3 25074 341340 0 0 3 0x14200 bored softnet2 21950 437148 0 0 3 0x14200 bored softnet1 62806 310137 0 0 3 0x14200 bored softnet0 12063 129892 0 0 3 0x14200 bored systqmp 85120 175621 0 0 3 0x14200 bored systq 4668 205936 0 0 3 0x40014200 bored softclock 12878 37500 0 0 3 0x40014200 idle0 1 119290 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 75004 (syz-executor.5) thread 0xffff8000212d8dd8 (468777) exclusive rrwlock inode r = 0 (0xfffffd806e2401b8) #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 (0xfffffd8060d90c50) #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 (0xffffffff82d75ac8) #0 witness_lock+0x447 #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x4c6 sys/kern/sched_bsd.c:470 #3 sleep_finish+0x19b sys/kern/kern_synch.c:414 #4 biowait+0x91 sys/kern/vfs_bio.c:1278 #5 bwrite+0x21c sys/kern/vfs_bio.c:769 #6 VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 #7 ufs_direnter+0x90a sys/ufs/ufs/ufs_lookup.c:909 #8 ufs_rename+0xb70 sys/ufs/ufs/ufs_vnops.c:936 #9 VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370 #10 dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994 #11 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #11 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #12 Xsyscall+0x128 Process 88599 (syz-executor.6) thread 0xffff8000212d9348 (242565) exclusive rrwlock inode r = 0 (0xfffffd806b9754d8) #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 (0xfffffd8060d90a30) #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 95482 (syz-executor.4) thread 0xffff8000211fdb50 (395748) exclusive rrwlock inode r = 0 (0xfffffd80639d2918) #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_lookup+0x6e2 sys/kern/vfs_lookup.c:566 #11 namei+0x55a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #13 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #13 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806394ea38) #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 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10196 6473K 6750K 78643K 14793 0 pcb 13 15K 17K 78643K 131 0 rtable 247 7K 7K 78643K 556 0 pf 32 9K 10K 78643K 149 0 ifaddr 45 15K 16K 78643K 107 0 ifgroup 55 2K 2K 78643K 231 0 sysctl 2 0K 0K 78643K 9 0 counters 60 35K 36K 78643K 142 0 ioctlops 0 0K 4K 78643K 1598 0 iov 0 0K 12K 78643K 145 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1442 90K 90K 78643K 2692 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 46 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 229 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 15 53K 81K 78643K 3223 0 sigio 1 0K 0K 78643K 27 0 proc 73 103K 115K 78643K 855 0 subproc 104 6K 6K 78643K 179 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 392 0 in_multi 99 7K 7K 78643K 175 0 ether_multi 1 0K 0K 78643K 1 0 mrt 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 73 334K 334K 78643K 73 0 exec 0 0K 1K 78643K 738 0 pfkey data 0 0K 0K 78643K 6 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 410 93K 98K 78643K 34989 0 UVM aobj 131 6K 6K 78643K 134 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 53 0 NDP 12 0K 2K 78643K 79 0 temp 74 5920K 6000K 78643K 19493 0 kqueue 12 18K 26K 78643K 225 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> 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 120 163 0 160 3 2 1 3 0 8 0 rtentry 112 175 0 60 4 0 4 4 0 8 0 unpcb 144 2071 0 2056 28 27 1 6 0 8 0 syncache 296 23 0 23 6 6 0 1 0 8 0 tcpqe 32 1331 0 1331 7 7 0 2 0 8 0 tcpcb 808 2500 0 2491 52 50 2 14 0 8 0 arp 120 29 0 10 1 0 1 1 0 8 0 inpcb 368 3938 0 3924 68 57 11 14 0 8 8 nd6 136 44 0 16 1 0 1 1 0 8 0 pkpcb 40 6 0 6 2 2 0 1 0 8 0 kcovpl 48 13 0 5 1 0 1 1 0 8 0 ppxss 1256 6 0 6 2 1 1 1 0 8 1 pffrag 232 9 0 9 1 0 1 1 0 482 1 pffrnode 88 9 0 9 1 0 1 1 0 8 1 pffrent 40 29 0 29 1 0 1 1 0 8 1 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 24 119 0 98 1 0 1 1 0 8 0 pfstkey 128 119 0 98 2 0 2 2 0 8 0 pfstate 376 119 0 98 6 2 4 5 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 256 711 0 230 31 0 31 31 0 8 0 art_table 32 712 0 230 4 0 4 4 0 8 0 art_node 16 171 0 66 1 0 1 1 0 8 0 sysvmsgpl 40 32 0 13 1 0 1 1 0 8 0 semapl 112 225 0 215 1 0 1 1 0 8 0 shmpl 112 131 0 3 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 5585 0 4123 92 0 92 92 0 8 0 ffsino 272 5585 0 4123 98 0 98 98 0 8 0 nchpl 144 10197 0 8541 63 0 63 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 33822 0 33819 11 9 2 3 0 8 1 percpumem 16 84 0 41 1 0 1 1 0 8 0 kstatmem 264 106 0 82 2 0 2 2 0 8 0 scxspl 216 29390 0 29390 18 17 1 8 1 8 1 plimitpl 152 216 0 199 1 0 1 1 0 8 0 sigapl 424 3553 0 3507 10 3 7 8 0 8 0 futexpl 64 26522 0 26519 3 2 1 1 0 8 0 knotepl 120 159 0 0 5 1 4 5 0 8 0 kqueuepl 216 488 0 480 9 8 1 5 0 8 0 pipepl 320 577 0 549 14 11 3 8 0 8 0 fdescpl 496 3515 0 3487 6 2 4 5 0 8 0 filepl 152 21555 0 21308 53 37 16 20 0 8 4 lockfpl 104 1264 0 1262 4 2 2 2 0 8 1 lockfspl 48 386 0 384 1 0 1 1 0 8 0 sessionpl 144 29 0 12 1 0 1 1 0 8 0 pgrppl 48 52 0 35 1 0 1 1 0 8 0 ucredpl 104 2048 0 2031 1 0 1 1 0 8 0 zombiepl 144 4133 0 4131 2 1 1 1 0 8 0 processpl 1072 3553 0 3507 6 1 5 5 0 8 0 procpl 696 9529 0 9459 11 2 9 10 0 8 0 sosppl 168 74 0 74 3 3 0 1 0 8 0 sockpl 488 6178 0 6148 147 135 12 35 0 8 8 mcl64k 65536 14 0 0 2 0 2 2 0 8 0 mcl16k 16384 8 0 0 1 0 1 1 0 8 0 mcl12k 12288 14 0 0 2 0 2 2 0 8 0 mcl9k 9216 8 0 0 1 0 1 1 0 8 0 mcl8k 8192 22 0 0 3 0 3 3 0 8 0 mcl4k 4096 29 0 0 3 0 3 3 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 419 0 0 51 0 51 51 0 8 0 mtagpl 96 458 0 0 10 0 10 10 0 8 0 mbufpl 256 2170 0 0 129 0 129 129 0 8 0 bufpl 288 8612 0 2279 453 0 453 453 0 8 0 anonpl 24 459262 0 445093 119 25 94 107 0 186 0 amapchunkpl 152 109803 0 108903 54 15 39 39 0 158 0 amappl16 200 10042 0 9611 53 30 23 36 0 8 0 amappl15 192 15 0 15 1 1 0 1 0 8 0 amappl14 184 182 0 167 2 1 1 2 0 8 0 amappl13 176 14 0 13 1 0 1 1 0 8 0 amappl12 168 4258 0 4227 4 2 2 2 0 8 0 amappl11 160 57 0 43 1 0 1 1 0 8 0 amappl10 152 36 0 24 1 0 1 1 0 8 0 amappl9 144 239 0 239 7 6 1 1 0 8 1 amappl8 136 344 0 233 4 0 4 4 0 8 0 amappl7 128 78 0 63 2 0 2 2 0 8 0 amappl6 120 318 0 295 2 1 1 2 0 8 0 amappl5 112 247 0 236 1 0 1 1 0 8 0 amappl4 104 647 0 602 3 1 2 3 0 8 0 amappl3 96 21972 0 21882 5 2 3 3 0 8 0 amappl2 88 3901 0 3829 3 1 2 3 0 8 0 amappl1 80 21197 0 20649 23 10 13 23 0 8 0 amappl 88 34302 0 34054 9 2 7 7 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 72 133 0 3 3 0 3 3 0 8 0 uaddrrnd 24 3515 0 3487 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3515 0 3487 1 0 1 1 0 8 0 vmmpekpl 168 31879 0 31814 4 0 4 4 0 8 0 vmmpepl 168 228156 0 225756 188 76 112 124 0 357 0 vmsppl 464 3514 0 3487 6 2 4 5 0 8 0 rwobjpl 56 68231 0 60584 113 4 109 109 0 8 0 pdppl 4096 7038 0 6974 287 217 70 78 0 8 6 pvpl 32 1153447 0 1133346 413 242 171 366 0 265 0 pmappl 248 3514 0 3487 3 1 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1290 0 336 28 0 28 28 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827b0e1d) at panic+0x17b sys/kern/subr_prf.c:198 ufs_rename(ffff800026127128) at ufs_rename+0x15b1 sys/ufs/ufs/ufs_vnops.c:908 VOP_RENAME(fffffd807bd0a960,fffffd805af5c010,ffff8000261272f8,fffffd807bd0a960,0,ffff800026127248) at VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370 dorenameat(ffff8000212d8dd8,ffffff9c,20000180,ffffff9c,20000080) at dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994 syscall(ffff800026127490) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800026127490) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b92d6d9c80, count: -7 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800020d58ff0) 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(ffffffff82d758c0) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d758c0) at __mp_lock+0x129 sys/kern/kern_lock.c:147 syscall(ffff8000212b9c40) at syscall+0x52b mi_syscall_return sys/sys/syscall_mi.h:138 [inline] syscall(ffff8000212b9c40) at syscall+0x52b sys/arch/amd64/amd64/trap.c:644 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2e6ddea40, count: 9 ddb{1}> trace x86_ipi_db(ffff800020d58ff0) 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(ffffffff82d758c0) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d758c0) at __mp_lock+0x129 sys/kern/kern_lock.c:147 syscall(ffff8000212b9c40) at syscall+0x52b mi_syscall_return sys/sys/syscall_mi.h:138 [inline] syscall(ffff8000212b9c40) at syscall+0x52b sys/arch/amd64/amd64/trap.c:644 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2e6ddea40, count: -6