panic: ufs_rename: lost dir entry Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *495525 13122 0 0x1000 0x4080000 0K syz-executor.3 58637 59232 0 0x2 0 1 syz-executor.4 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827b1269) at panic+0x17b sys/kern/subr_prf.c:198 ufs_rename(ffff80002611ece8) at ufs_rename+0x15b1 sys/ufs/ufs/ufs_vnops.c:908 VOP_RENAME(fffffd80678757b0,fffffd8071ba7008,ffff80002611eeb8,fffffd80678757b0,0,ffff80002611ee08) at VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370 dorenameat(ffff800021248db8,ffffff9c,200005c0,ffffff9c,200006c0) at dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994 syscall(ffff80002611f050) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002611f050) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xde16aecc1a0, 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(ffffffff827b1269) at panic+0x17b sys/kern/subr_prf.c:198 ufs_rename(ffff80002611ece8) at ufs_rename+0x15b1 sys/ufs/ufs/ufs_vnops.c:908 VOP_RENAME(fffffd80678757b0,fffffd8071ba7008,ffff80002611eeb8,fffffd80678757b0,0,ffff80002611ee08) at VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370 dorenameat(ffff800021248db8,ffffff9c,200005c0,ffffff9c,200006c0) at dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994 syscall(ffff80002611f050) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002611f050) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xde16aecc1a0, count: -7 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002611ea70 rbx 0xffffffff82b72b9f cpu_info_full_primary+0x2b9f rdx 0 rcx 0xffff800021248db8 rax 0xffffffff82b71ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x9cc43bc74a098386 r11 0xcb75e3ad36fe9caf r12 0xffffffff82b729a0 cpu_info_full_primary+0x29a0 r13 0 r14 0 r15 0x1 rip 0xffffffff82543dbc db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002611ea60 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.3) pid=495525 stat=onproc flags process=1000 proc=4080000 pri=17, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800021249b50,0xffff8000212485a0 process=0xffff80002afc2e30 user=0xffff80002611a000, vmspace=0xfffffd806efc1578 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 42541 470960 41068 0 2 0 syz-executor.6 18706 407761 26084 0 2 0 syz-executor.0 18706 189021 26084 0 2 0x4000000 syz-executor.0 5012 339387 10931 0 2 0 syz-executor.2 5012 427581 10931 0 2 0x4000000 syz-executor.2 33038 103388 76440 0 2 0 syz-executor.1 33038 256079 76440 0 3 0x4000080 fsleep syz-executor.1 33038 436732 76440 0 2 0x4000000 syz-executor.1 66281 404242 4601 0 3 0x80 nanoslp syz-executor.7 66281 205557 4601 0 3 0x4000080 fsleep syz-executor.7 66281 386300 4601 0 3 0x4000080 fsleep syz-executor.7 *13122 495525 11220 0 7 0x4081000 syz-executor.3 13122 17968 11220 0 2 0x4081000 syz-executor.3 13122 519262 11220 0 3 0x4003000 suspend syz-executor.3 4601 191800 72518 0 3 0x82 nanoslp syz-executor.7 59232 58637 72518 0 7 0x2 syz-executor.4 11220 69719 72518 0 3 0x82 nanoslp syz-executor.3 65920 477894 0 0 3 0x14280 nfsidl nfsio 95976 358187 0 0 3 0x14280 nfsidl nfsio 34773 137122 0 0 3 0x14280 nfsidl nfsio 7200 148150 0 0 3 0x14280 nfsidl nfsio 48456 429785 0 0 3 0x14280 nfsidl nfsio 25855 303980 0 0 3 0x14280 nfsidl nfsio 8852 340801 0 0 3 0x14280 nfsidl nfsio 14886 364798 0 0 3 0x14280 nfsidl nfsio 88005 50861 0 0 3 0x14280 nfsidl nfsio 56448 205067 0 0 3 0x14280 nfsidl nfsio 556 277195 0 0 3 0x14280 nfsidl nfsio 20295 516298 0 0 3 0x14280 nfsidl nfsio 14490 188508 0 0 3 0x14280 nfsidl nfsio 30830 178335 0 0 3 0x14280 nfsidl nfsio 12254 295921 0 0 3 0x14280 nfsidl nfsio 91499 270028 0 0 3 0x14280 nfsidl nfsio 5191 11122 0 0 3 0x14280 nfsidl nfsio 55662 314178 0 0 3 0x14280 nfsidl nfsio 30607 67312 0 0 3 0x14280 nfsidl nfsio 35443 248882 0 0 3 0x14280 nfsidl nfsio 59922 67445 72518 0 3 0x82 nanoslp syz-executor.5 10931 149284 72518 0 3 0x82 nanoslp syz-executor.2 41068 201132 72518 0 3 0x82 nanoslp syz-executor.6 26084 274958 72518 0 3 0x82 nanoslp syz-executor.0 82599 26289 0 0 3 0x14200 acct acct 76440 222375 72518 0 3 0x82 nanoslp syz-executor.1 76769 91363 0 0 3 0x14200 bored sosplice 72518 293342 61945 0 3 0x2000082 thrsleep syz-fuzzer 72518 300328 61945 0 3 0x6000082 thrsleep syz-fuzzer 72518 214137 61945 0 3 0x6000082 thrsleep syz-fuzzer 72518 200597 61945 0 3 0x6000082 thrsleep syz-fuzzer 72518 367695 61945 0 3 0x6000082 wait syz-fuzzer 72518 489455 61945 0 3 0x6000082 wait syz-fuzzer 72518 171464 61945 0 3 0x6000082 kqread syz-fuzzer 72518 36062 61945 0 3 0x6000082 thrsleep syz-fuzzer 72518 233512 61945 0 3 0x6000082 wait syz-fuzzer 72518 101451 61945 0 3 0x6000082 wait syz-fuzzer 72518 277910 61945 0 3 0x6000082 thrsleep syz-fuzzer 72518 179737 61945 0 3 0x6000082 wait syz-fuzzer 72518 355989 61945 0 3 0x6000082 thrsleep syz-fuzzer 72518 333858 61945 0 3 0x6000082 wait syz-fuzzer 72518 242752 61945 0 3 0x6000082 wait syz-fuzzer 72518 323609 61945 0 3 0x6000082 wait syz-fuzzer 61945 227608 47022 0 3 0x10008a sigsusp ksh 47022 291102 35384 0 3 0x9a kqread sshd 74691 243481 1 0 3 0x100083 ttyin getty 35384 99234 1 0 3 0x88 kqread sshd 11097 513430 17273 74 3 0x1100092 bpf pflogd 17273 207135 1 0 3 0x80 netio pflogd 54301 288563 95320 73 3 0x1100090 kqread syslogd 95320 428996 1 0 3 0x100082 netio syslogd 21991 172705 1 0 3 0x100080 kqread resolvd 92445 337182 69774 77 3 0x100092 kqread dhcpleased 69466 261627 69774 77 3 0x100092 kqread dhcpleased 69774 290840 1 0 3 0x80 kqread dhcpleased 27577 37498 0 0 3 0x14200 bored smr 10555 287139 0 0 2 0x14200 zerothread 10029 130969 0 0 3 0x14200 aiodoned aiodoned 73831 313228 0 0 3 0x14200 syncer update 58821 117307 0 0 3 0x14200 cleaner cleaner 92799 10796 0 0 3 0x14200 reaper reaper 21988 71479 0 0 3 0x14200 pgdaemon pagedaemon 79230 334882 0 0 3 0x14200 bored viomb 22918 248245 0 0 3 0x40014200 acpi0 acpi0 83921 425274 0 0 3 0x40014200 idle1 59372 270267 0 0 3 0x14200 bored softnet3 45864 218042 0 0 3 0x14200 bored softnet2 14702 108495 0 0 3 0x14200 bored softnet1 4237 430246 0 0 3 0x14200 bored softnet0 94816 186394 0 0 3 0x14200 bored systqmp 84458 120223 0 0 3 0x14200 bored systq 60766 257695 0 0 3 0x40014200 bored softclock 55344 182447 0 0 3 0x40014200 idle0 1 465680 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 33038 (syz-executor.1) thread 0xffff800023af4608 (436732) exclusive rwlock vmmaplk r = 0 (0xfffffd8076c9c850) #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 13122 (syz-executor.3) thread 0xffff800021248db8 (495525) exclusive rrwlock inode r = 0 (0xfffffd80692a65e8) #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 (0xfffffd805ba6f700) #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 (0xffffffff82c5f098) #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 59232 (syz-executor.4) thread 0xffff8000211d8b50 (58637) exclusive rwlock vmmaplk r = 0 (0xfffffd806d663678) #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 (0xfffffd806d6632d8) #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10214 6501K 7677K 78643K 28503 0 pcb 13 15K 17K 78643K 196 0 rtable 241 7K 7K 78643K 1418 0 pf 37 10K 10K 78643K 193 0 ifaddr 47 16K 16K 78643K 205 0 ifgroup 64 2K 2K 78643K 317 0 sysctl 2 0K 1K 78643K 6 0 counters 64 36K 36K 78643K 202 0 ioctlops 0 0K 4K 78643K 1671 0 iov 0 0K 24K 78643K 332 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1441 90K 90K 78643K 5834 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 68 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 1789 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 18 65K 89K 78643K 9008 0 sigio 0 0K 0K 78643K 156 0 proc 70 91K 115K 78643K 1547 0 subproc 104 6K 6K 78643K 455 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 518 0 in_multi 99 7K 7K 78643K 443 0 ether_multi 1 0K 0K 78643K 7 0 mrt 1 0K 0K 78643K 4 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 67 307K 307K 78643K 67 0 exec 0 0K 1K 78643K 1431 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 445 95K 108K 78643K 90084 0 UVM aobj 131 8K 8K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 110 0 NDP 14 0K 1K 78643K 153 0 temp 74 5920K 5996K 78643K 99197 0 kqueue 12 18K 24K 78643K 375 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 5185 0 5182 44 43 1 8 0 8 0 rtentry 112 431 0 319 4 0 4 4 0 8 0 unpcb 144 3735 0 3720 55 54 1 8 0 8 0 syncache 296 38 0 38 14 14 0 1 0 8 0 tcpqe 32 306 0 306 10 10 0 1 0 8 0 tcpcb 808 1478 0 1474 74 73 1 14 0 8 0 arp 120 77 0 58 1 0 1 1 0 8 0 inpcb 368 3316 0 3308 105 103 2 13 0 8 1 nd6 136 110 0 85 1 0 1 1 0 8 0 pkpcb 40 83 0 83 6 6 0 1 0 8 0 kcovpl 48 35 0 27 1 0 1 1 0 8 0 ppxss 1256 15 0 15 4 4 0 1 0 8 0 pffrag 232 36 0 31 4 3 1 1 0 482 0 pffrnode 88 36 0 31 4 3 1 1 0 8 0 pffrent 40 75 0 70 4 3 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 24 193 0 189 1 0 1 1 0 8 0 pfstkey 128 193 0 189 2 0 2 2 0 8 0 pfstate 376 193 0 189 5 3 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 1670 0 1206 31 1 30 30 0 8 0 art_table 32 1671 0 1206 4 0 4 4 0 8 0 art_node 16 417 0 315 1 0 1 1 0 8 0 sysvmsgpl 40 34 0 15 1 0 1 1 0 8 0 semupl 112 6 0 6 1 1 0 1 0 8 0 semapl 112 1787 0 1777 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 11918 0 10430 94 0 94 94 0 8 0 ffsino 272 11918 0 10430 100 0 100 100 0 8 0 nchpl 144 24196 0 23696 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 81732 0 81729 3 2 1 2 0 8 0 percpumem 16 114 0 69 1 0 1 1 0 8 0 kstatmem 264 166 0 138 7 5 2 3 0 8 0 scxspl 216 69666 0 69666 26 25 1 8 1 8 1 plimitpl 152 2333 0 2314 1 0 1 1 0 8 0 sigapl 424 9300 0 9230 10 2 8 8 0 8 0 futexpl 64 82422 0 82419 1 0 1 1 0 8 0 knotepl 120 354 0 0 11 2 9 11 0 8 0 kqueuepl 216 1182 0 1174 21 20 1 8 0 8 0 pipepl 320 1543 0 1515 44 41 3 8 0 8 0 fdescpl 496 9260 0 9229 5 0 5 5 0 8 0 filepl 152 51461 0 51220 123 112 11 19 0 8 0 lockfpl 104 5216 0 5212 7 6 1 2 0 8 0 lockfspl 48 2468 0 2465 1 0 1 1 0 8 0 sessionpl 144 51 0 34 1 0 1 1 0 8 0 pgrppl 48 292 0 275 1 0 1 1 0 8 0 ucredpl 104 8951 0 8939 1 0 1 1 0 8 0 zombiepl 144 11422 0 11420 2 1 1 1 0 8 0 processpl 1072 9300 0 9230 5 0 5 5 0 8 0 procpl 696 24819 0 24725 23 13 10 10 0 8 1 sosppl 168 35 0 35 5 5 0 1 0 8 0 sockpl 488 12342 0 12316 387 381 6 35 0 8 1 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 14 0 0 2 0 2 2 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 25 0 0 3 0 3 3 0 8 0 mcl4k 4096 31 0 0 3 0 3 3 0 8 0 mcl2k2 2112 15 0 0 1 0 1 1 0 8 0 mcl2k 2048 286 0 0 32 3 29 32 0 8 0 mtagpl 96 956 0 0 19 0 19 19 0 8 0 mbufpl 256 1523 0 0 76 0 76 76 0 8 0 bufpl 288 18473 0 12147 453 0 453 453 0 8 0 anonpl 24 911641 0 898231 140 53 87 104 0 186 0 amapchunkpl 152 282951 0 282053 84 46 38 47 0 158 0 amappl16 200 15623 0 15257 51 30 21 32 0 8 0 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 272 0 255 2 0 2 2 0 8 0 amappl13 176 9 0 8 1 0 1 1 0 8 0 amappl12 168 10389 0 10353 4 2 2 3 0 8 0 amappl11 160 60 0 46 1 0 1 1 0 8 0 amappl10 152 66 0 55 1 0 1 1 0 8 0 amappl9 144 231 0 231 4 4 0 1 0 8 0 amappl8 136 712 0 549 6 0 6 6 0 8 0 amappl7 128 125 0 108 2 0 2 2 0 8 0 amappl6 120 527 0 499 3 2 1 3 0 8 0 amappl5 112 419 0 407 1 0 1 1 0 8 0 amappl4 104 900 0 850 3 1 2 3 0 8 0 amappl3 96 56117 0 56033 3 0 3 3 0 8 0 amappl2 88 9724 0 9650 3 1 2 3 0 8 0 amappl1 80 43631 0 43076 23 10 13 23 0 8 0 amappl 88 89142 0 88883 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 9261 0 9230 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 9261 0 9230 1 0 1 1 0 8 0 vmmpekpl 168 72381 0 72315 5 1 4 4 0 8 0 vmmpepl 168 560171 0 557646 260 144 116 134 0 357 0 vmsppl 464 9260 0 9230 5 1 4 5 0 8 0 rwobjpl 56 141326 0 133695 116 7 109 111 0 8 0 pdppl 4096 18530 0 18460 536 466 70 82 0 8 0 pvpl 32 2604050 0 2584412 471 296 175 368 0 265 8 pmappl 248 9260 0 9230 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1526 0 654 26 0 26 26 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(ffffffff827b1269) at panic+0x17b sys/kern/subr_prf.c:198 ufs_rename(ffff80002611ece8) at ufs_rename+0x15b1 sys/ufs/ufs/ufs_vnops.c:908 VOP_RENAME(fffffd80678757b0,fffffd8071ba7008,ffff80002611eeb8,fffffd80678757b0,0,ffff80002611ee08) at VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370 dorenameat(ffff800021248db8,ffffff9c,200005c0,ffffff9c,200006c0) at dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994 syscall(ffff80002611f050) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002611f050) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xde16aecc1a0, 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(ffffffff82c5ee90) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c5ee90) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82c5ee90,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x4c6 sys/kern/sched_bsd.c:470 yield() at yield+0x5b sys/kern/sched_bsd.c:324 pool_get(ffffffff82d3ff30,1) at pool_get+0x19d sys/kern/subr_pool.c:589 uvm_mapent_alloc(fffffd806d663580,0) at uvm_mapent_alloc+0x2ca sys/uvm/uvm_map.c:1548 uvm_map_mkentry(fffffd806d663580,fffffd806b84b308,fffffd806b84b308,70689ffe0000,100000,0,206b082726ec7e31,100000) at uvm_map_mkentry+0x75 sys/uvm/uvm_map.c:1451 uvm_mapent_clone(fffffd806d663580,70689ffe0000,100000,0,3,7,a4cf32d417b29ed0,fffffd805bd70628,0,fffffd806d663580) at uvm_mapent_clone+0x9f sys/uvm/uvm_map.c:3632 uvm_mapent_forkcopy(1,fffffd806d663580,fffffd806d6631e0,fffffd805bd70628,ffff80002e42faf8) at uvm_mapent_forkcopy+0x64 sys/uvm/uvm_map.c:3724 uvmspace_fork(ffff800021220440) at uvmspace_fork+0x1dc sys/uvm/uvm_map.c:3927 process_new(ffff800023af5658,ffff800021220440,1) at process_new+0x304 sys/kern/kern_fork.c:262 end trace frame: 0xffff80002e42fcb0, count: 0 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(ffffffff82c5ee90) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c5ee90) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82c5ee90,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x4c6 sys/kern/sched_bsd.c:470 yield() at yield+0x5b sys/kern/sched_bsd.c:324 pool_get(ffffffff82d3ff30,1) at pool_get+0x19d sys/kern/subr_pool.c:589 uvm_mapent_alloc(fffffd806d663580,0) at uvm_mapent_alloc+0x2ca sys/uvm/uvm_map.c:1548 uvm_map_mkentry(fffffd806d663580,fffffd806b84b308,fffffd806b84b308,70689ffe0000,100000,0,206b082726ec7e31,100000) at uvm_map_mkentry+0x75 sys/uvm/uvm_map.c:1451 uvm_mapent_clone(fffffd806d663580,70689ffe0000,100000,0,3,7,a4cf32d417b29ed0,fffffd805bd70628,0,fffffd806d663580) at uvm_mapent_clone+0x9f sys/uvm/uvm_map.c:3632 uvm_mapent_forkcopy(1,fffffd806d663580,fffffd806d6631e0,fffffd805bd70628,ffff80002e42faf8) at uvm_mapent_forkcopy+0x64 sys/uvm/uvm_map.c:3724 uvmspace_fork(ffff800021220440) at uvmspace_fork+0x1dc sys/uvm/uvm_map.c:3927 process_new(ffff800023af5658,ffff800021220440,1) at process_new+0x304 sys/kern/kern_fork.c:262 fork1(ffff8000211d8b50,1,ffffffff823957e0,0,ffff80002e42fd10,0) at fork1+0x318 sys/kern/kern_fork.c:383 syscall(ffff80002e42fd90) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e42fd90) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7068a00dec50, count: -17