login: panic: ufs_rename: lost dir entry Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 14785 97837 0 0 0 0 syz-executor.6 *195640 49619 0 0x10 0x4000000 1K syz-executor.1 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827b53d6) at panic+0x17b sys/kern/subr_prf.c:198 ufs_rename(ffff800021249488) at ufs_rename+0x15b1 sys/ufs/ufs/ufs_vnops.c:908 VOP_RENAME(fffffd807815e2e8,fffffd8070d53568,ffff800021249658,fffffd807815e2e8,0,ffff8000212495a8) at VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370 dorenameat(ffff80002120a018,ffffff9c,20000180,ffffff9c,20000080) at dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994 syscall(ffff8000212497f0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000212497f0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76c370dc690, 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(ffffffff827b53d6) at panic+0x17b sys/kern/subr_prf.c:198 ufs_rename(ffff800021249488) at ufs_rename+0x15b1 sys/ufs/ufs/ufs_vnops.c:908 VOP_RENAME(fffffd807815e2e8,fffffd8070d53568,ffff800021249658,fffffd807815e2e8,0,ffff8000212495a8) at VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370 dorenameat(ffff80002120a018,ffffff9c,20000180,ffffff9c,20000080) at dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994 syscall(ffff8000212497f0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000212497f0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76c370dc690, count: -7 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800021249210 rbx 0xffff800020d59b9f rdx 0 rcx 0xffff80002120a018 rax 0xffff800020d58ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xd748d728abb1efbd r11 0x6a3fa87e506b7528 r12 0xffff800020d599a0 r13 0 r14 0 r15 0x1 rip 0xffffffff81b9cdac db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff800021249200 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.1) pid=195640 stat=onproc flags process=10 proc=4000000 pri=17, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff80002128eb48,0xffff800021237088 process=0xffff800021270878 user=0xffff800021244000, vmspace=0xfffffd8069963758 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 97837 14785 82247 0 7 0 syz-executor.6 97837 28921 82247 0 2 0x4000000 syz-executor.6 59049 429364 38233 0 2 0 syz-executor.0 59049 454300 38233 0 3 0x4000080 fsleep syz-executor.0 49619 385598 89783 0 2 0x10 syz-executor.1 49619 64992 89783 0 3 0x4000090 fsleep syz-executor.1 49619 401796 89783 0 3 0x4000090 fsleep syz-executor.1 *49619 195640 89783 0 7 0x4000010 syz-executor.1 88761 410073 58867 0 2 0 syz-executor.7 88761 461951 58867 0 3 0x4000080 kqread syz-executor.7 88761 403010 58867 0 2 0x4000000 syz-executor.7 77219 363605 84092 0 2 0x2 syz-executor.2 39669 126182 1 0 3 0x100083 ttyin getty 65588 328364 84092 0 2 0x2 syz-executor.4 58867 361939 84092 0 3 0x82 nanoslp syz-executor.7 82247 448883 84092 0 3 0x82 nanoslp syz-executor.6 81257 363732 84092 0 2 0x2 syz-executor.5 38233 266616 84092 0 3 0x82 nanoslp syz-executor.0 82267 487138 84092 0 3 0x82 nanoslp syz-executor.3 89783 194399 84092 0 3 0x82 nanoslp syz-executor.1 97394 406230 0 0 3 0x14280 nfsidl nfsio 61635 193181 0 0 3 0x14280 nfsidl nfsio 27767 142002 0 0 3 0x14280 nfsidl nfsio 93268 324172 0 0 3 0x14280 nfsidl nfsio 1010 110762 0 0 3 0x14280 nfsidl nfsio 2738 166761 0 0 3 0x14280 nfsidl nfsio 63591 45054 0 0 3 0x14280 nfsidl nfsio 43812 79296 0 0 3 0x14280 nfsidl nfsio 21708 351435 0 0 3 0x14280 nfsidl nfsio 15052 521925 0 0 3 0x14280 nfsidl nfsio 56552 103483 0 0 3 0x14280 nfsidl nfsio 51062 259102 0 0 3 0x14280 nfsidl nfsio 31879 298378 0 0 3 0x14280 nfsidl nfsio 25878 434237 0 0 3 0x14280 nfsidl nfsio 60615 97752 0 0 3 0x14280 nfsidl nfsio 48190 11980 0 0 3 0x14280 nfsidl nfsio 7644 235282 0 0 3 0x14280 nfsidl nfsio 15045 266803 0 0 3 0x14280 nfsidl nfsio 6163 255544 0 0 3 0x14280 nfsidl nfsio 45254 58501 0 0 3 0x14280 nfsidl nfsio 50642 340636 0 0 3 0x14200 bored sosplice 84092 357507 51546 0 3 0x2000082 thrsleep syz-fuzzer 84092 163673 51546 0 3 0x6000082 nanoslp syz-fuzzer 84092 449336 51546 0 3 0x6000082 wait syz-fuzzer 84092 395793 51546 0 3 0x6000082 thrsleep syz-fuzzer 84092 381297 51546 0 3 0x6000082 thrsleep syz-fuzzer 84092 512617 51546 0 3 0x6000082 thrsleep syz-fuzzer 84092 286233 51546 0 3 0x6000082 wait syz-fuzzer 84092 518302 51546 0 3 0x6000082 wait syz-fuzzer 84092 178235 51546 0 3 0x6000082 thrsleep syz-fuzzer 84092 55830 51546 0 3 0x6000082 wait syz-fuzzer 84092 67149 51546 0 3 0x6000082 thrsleep syz-fuzzer 84092 214390 51546 0 3 0x6000082 wait syz-fuzzer 84092 383377 51546 0 3 0x6000082 wait syz-fuzzer 84092 204677 51546 0 3 0x6000082 wait syz-fuzzer 84092 77191 51546 0 3 0x6000082 kqread syz-fuzzer 84092 187192 51546 0 3 0x6000082 wait syz-fuzzer 51546 413617 82092 0 3 0x10008a sigsusp ksh 82092 131052 91229 0 3 0x9a kqread sshd 91229 451581 1 0 3 0x88 kqread sshd 85250 324536 70728 74 3 0x1100092 bpf pflogd 70728 305275 1 0 3 0x80 netio pflogd 61686 15430 15699 73 3 0x1100090 kqread syslogd 15699 241289 1 0 3 0x100082 netio syslogd 39193 294248 1 0 3 0x100080 kqread resolvd 29114 325648 11961 77 3 0x100092 kqread dhcpleased 44991 485549 11961 77 3 0x100092 kqread dhcpleased 11961 193258 1 0 3 0x80 kqread dhcpleased 65734 512721 0 0 3 0x14200 bored smr 48394 260598 0 0 2 0x14200 zerothread 58539 514937 0 0 3 0x14200 aiodoned aiodoned 65866 250201 0 0 3 0x14200 syncer update 58982 396076 0 0 3 0x14200 cleaner cleaner 9498 289727 0 0 3 0x14200 reaper reaper 58784 473178 0 0 3 0x14200 pgdaemon pagedaemon 82318 469929 0 0 3 0x14200 bored viomb 88238 331202 0 0 3 0x40014200 acpi0 acpi0 79860 100163 0 0 3 0x40014200 idle1 65240 303450 0 0 3 0x14200 bored softnet3 3786 239451 0 0 3 0x14200 bored softnet2 75304 257737 0 0 3 0x14200 bored softnet1 78771 337156 0 0 3 0x14200 bored softnet0 55068 249637 0 0 3 0x14200 bored systqmp 37811 132717 0 0 3 0x14200 bored systq 72168 371232 0 0 3 0x40014200 bored softclock 41992 26775 0 0 3 0x40014200 idle0 1 1903 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 97837 (syz-executor.6) thread 0xffff800021236b08 (28921) exclusive rwlock vmmaplk r = 0 (0xfffffd806d5c84a8) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5345 #3 uvmfault_lookup+0xb6 sys/uvm/uvm_fault.c:1767 #4 uvm_fault_check+0x65d uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] #4 uvm_fault_check+0x65d sys/uvm/uvm_fault.c:711 #5 uvm_fault+0xf2 sys/uvm/uvm_fault.c:601 #6 upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 Process 49619 (syz-executor.1) thread 0xffff80002120a018 (195640) exclusive rrwlock inode r = 0 (0xfffffd806e95e4e0) #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 (0xfffffd8063bd9928) #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 (0xffffffff82d8b538) #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 77219 (syz-executor.2) thread 0xffff80002127b338 (363605) exclusive rwlock fdlock r = 0 (0xfffffd807f7d5248) #0 witness_lock+0x447 #1 doopenat+0x11f #2 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #2 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #3 Xsyscall+0x128 Process 65588 (syz-executor.4) thread 0xffff80002127b5f0 (328364) exclusive rwlock vmmaplk r = 0 (0xfffffd807eff8838) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5345 #3 uvmspace_fork+0xb6 sys/uvm/uvm_map.c:3903 #4 process_new+0x304 sys/kern/kern_fork.c:262 #5 fork1+0x318 sys/kern/kern_fork.c:383 #6 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #6 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd806d5c8a18) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5345 #3 uvmspace_fork+0x3b sys/uvm/uvm_map.c:3894 #4 process_new+0x304 sys/kern/kern_fork.c:262 #5 fork1+0x318 sys/kern/kern_fork.c:383 #6 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #6 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10249 6702K 7640K 78643K 29755 0 pcb 13 22K 24K 78643K 660 0 rtable 241 7K 7K 78643K 1362 0 pf 35 10K 10K 78643K 300 0 ifaddr 46 17K 18K 78643K 254 0 ifgroup 60 2K 2K 78643K 446 0 sysctl 2 0K 4K 78643K 9 0 counters 62 36K 36K 78643K 296 0 ioctlops 0 0K 4K 78643K 1673 0 iov 0 0K 28K 78643K 1220 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1576 99K 99K 78643K 8072 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 152 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 1080 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 15 53K 89K 78643K 13270 0 sigio 0 0K 0K 78643K 907 0 proc 70 91K 140K 78643K 1914 0 subproc 104 6K 6K 78643K 458 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 528 0 in_multi 99 7K 7K 78643K 514 0 ether_multi 1 0K 0K 78643K 7 0 mrt 1 0K 0K 78643K 7 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 301 1341K 1341K 78643K 301 0 exec 0 0K 1K 78643K 2044 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 440 96K 110K 78643K 131947 0 UVM aobj 131 4K 4K 78643K 138 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 319 0 NDP 13 0K 0K 78643K 200 0 temp 76 5920K 6052K 78643K 135464 0 kqueue 12 18K 28K 78643K 818 0 SYN cache 2 16K 24K 78643K 3 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 120 506 0 503 7 6 1 3 0 8 0 rtentry 112 436 0 324 4 0 4 4 0 8 0 unpcb 144 8625 0 8610 105 104 1 8 0 8 0 syncache 296 90 0 90 21 21 0 1 0 8 0 tcpqe 32 512 0 512 19 19 0 2 0 8 0 tcpcb 808 2891 0 2885 105 97 8 11 0 8 7 arp 120 75 0 56 1 0 1 1 0 8 0 inpcb 368 18439 0 18427 279 267 12 23 0 8 8 nd6 136 117 0 92 1 0 1 1 0 8 0 pkpcb 40 7 0 7 2 2 0 1 0 8 0 kcovpl 48 35 0 27 1 0 1 1 0 8 0 ppxss 1256 51 0 51 15 14 1 1 0 8 1 pffrag 232 119 0 115 3 2 1 1 0 482 0 pffrnode 88 118 0 114 3 2 1 1 0 8 0 pffrent 40 527 0 523 3 2 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 24 365 0 346 1 0 1 1 0 8 0 pfstkey 128 365 0 346 2 0 2 2 0 8 0 pfstate 376 365 0 346 11 9 2 4 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 1722 0 1258 34 5 29 31 0 8 0 art_table 32 1723 0 1258 4 0 4 4 0 8 0 art_node 16 422 0 320 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 1 1 0 1 0 8 0 semapl 112 1078 0 1068 1 0 1 1 0 8 0 shmpl 112 135 0 7 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 18433 0 16860 99 0 99 99 0 8 0 ffsino 272 18433 0 16860 105 0 105 105 0 8 0 nchpl 144 36000 0 35503 63 40 23 63 0 8 0 uvmvnodes 80 6777 0 0 139 0 139 139 0 8 0 vnodes 216 6777 0 0 377 0 377 377 0 8 0 namei 1024 117182 0 117178 14 12 2 4 0 8 1 percpumem 16 161 0 117 1 0 1 1 0 8 0 kstatmem 264 260 0 234 4 2 2 3 0 8 0 scxspl 216 105786 0 105786 37 36 1 8 1 8 1 plimitpl 152 1597 0 1581 1 0 1 1 0 8 0 sigapl 424 13561 0 13494 10 2 8 8 0 8 0 futexpl 64 102228 0 102225 3 2 1 1 0 8 0 knotepl 120 857 0 0 13 2 11 11 0 8 0 kqueuepl 216 2382 0 2373 48 47 1 8 0 8 0 pipepl 320 6429 0 6401 126 115 11 14 0 8 8 fdescpl 496 13522 0 13494 6 2 4 5 0 8 0 filepl 152 91904 0 91660 201 182 19 23 0 8 7 lockfpl 104 4336 0 4328 4 3 1 2 0 8 0 lockfspl 48 1934 0 1926 1 0 1 1 0 8 0 sessionpl 144 54 0 37 1 0 1 1 0 8 0 pgrppl 48 185 0 168 1 0 1 1 0 8 0 ucredpl 104 9709 0 9690 1 0 1 1 0 8 0 zombiepl 144 15095 0 15094 2 1 1 1 0 8 0 processpl 1072 13561 0 13494 5 0 5 5 0 8 0 procpl 696 37047 0 36958 41 31 10 10 0 8 1 sosppl 168 195 0 194 13 12 1 1 0 8 0 sockpl 488 27692 0 27665 601 588 13 34 0 8 8 mcl64k 65536 41 0 0 4 1 3 3 0 8 0 mcl16k 16384 28 0 0 4 1 3 3 0 8 0 mcl12k 12288 33 0 0 2 0 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 41 0 0 4 1 3 3 0 8 0 mcl4k 4096 26 0 0 3 0 3 3 0 8 0 mcl2k2 2112 8 0 0 1 0 1 1 0 8 0 mcl2k 2048 395 0 0 35 12 23 35 0 8 0 mtagpl 96 646 0 0 11 0 11 11 0 8 0 mbufpl 256 3252 0 0 164 0 164 164 0 8 0 bufpl 288 25810 0 19032 486 0 486 486 0 8 1 anonpl 24 1349178 0 1335574 173 70 103 116 0 186 0 amapchunkpl 152 413821 0 412979 98 59 39 43 0 158 1 amappl16 200 27418 0 26990 172 147 25 41 0 8 0 amappl15 192 22 0 21 1 0 1 1 0 8 0 amappl14 184 263 0 244 6 5 1 2 0 8 0 amappl13 176 13 0 12 1 0 1 1 0 8 0 amappl12 168 14607 0 14575 3 1 2 2 0 8 0 amappl11 160 68 0 53 1 0 1 1 0 8 0 amappl10 152 54 0 45 1 0 1 1 0 8 0 amappl9 144 279 0 279 27 26 1 1 0 8 1 amappl8 136 771 0 610 7 1 6 6 0 8 0 amappl7 128 204 0 190 1 0 1 1 0 8 0 amappl6 120 583 0 545 9 7 2 2 0 8 0 amappl5 112 518 0 507 1 0 1 1 0 8 0 amappl4 104 928 0 886 3 1 2 3 0 8 0 amappl3 96 82009 0 81930 4 1 3 3 0 8 0 amappl2 88 14230 0 14155 3 1 2 3 0 8 0 amappl1 80 57906 0 57351 23 10 13 23 0 8 0 amappl 88 130871 0 130628 7 0 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 72 137 0 7 3 0 3 3 0 8 0 uaddrrnd 24 13522 0 13494 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 13522 0 13494 1 0 1 1 0 8 0 vmmpekpl 168 120464 0 120388 5 0 5 5 0 8 0 vmmpepl 168 808567 0 806132 369 242 127 149 0 357 2 vmsppl 464 13521 0 13494 5 1 4 5 0 8 0 rwobjpl 56 202469 0 193930 133 12 121 121 0 8 0 pdppl 4096 27052 0 26988 788 718 70 82 0 8 6 pvpl 32 3631013 0 3611408 471 287 184 368 0 265 0 pmappl 248 13521 0 13494 3 1 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2146 0 1130 30 0 30 30 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82c45ff0) 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 end of kernel end trace frame: 0x7839bdd96580, count: 12 ddb{0}> trace x86_ipi_db(ffffffff82c45ff0) 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 end of kernel end trace frame: 0x7839bdd96580, count: -3 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(ffffffff827b53d6) at panic+0x17b sys/kern/subr_prf.c:198 ufs_rename(ffff800021249488) at ufs_rename+0x15b1 sys/ufs/ufs/ufs_vnops.c:908 VOP_RENAME(fffffd807815e2e8,fffffd8070d53568,ffff800021249658,fffffd807815e2e8,0,ffff8000212495a8) at VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370 dorenameat(ffff80002120a018,ffffff9c,20000180,ffffff9c,20000080) at dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994 syscall(ffff8000212497f0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000212497f0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76c370dc690, count: 8 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827b53d6) at panic+0x17b sys/kern/subr_prf.c:198 ufs_rename(ffff800021249488) at ufs_rename+0x15b1 sys/ufs/ufs/ufs_vnops.c:908 VOP_RENAME(fffffd807815e2e8,fffffd8070d53568,ffff800021249658,fffffd807815e2e8,0,ffff8000212495a8) at VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370 dorenameat(ffff80002120a018,ffffff9c,20000180,ffffff9c,20000080) at dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994 syscall(ffff8000212497f0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000212497f0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76c370dc690, count: -7