Warning: Permanently added '10.128.1.141' (ED25519) to the list of known hosts. 2024/11/27 13:18:39 ignoring optional flag "sandboxArg"="0" 2024/11/27 13:18:39 ignoring optional flag "type"="gce" 2024/11/27 13:18:39 parsed 1 programs 2024/11/27 13:18:40 executed programs: 0 panic: ufs_rename: lost dir entry Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 70047 79755 0 0 0x4000000 0 syz-executor.0 *126774 79755 0 0 0x4000000 1K syz-executor.0 db_enter() at db_enter+0x25 panic(ffffffff8305cab9) at panic+0x1e5 ufs_rename(ffff80002a20c578) at ufs_rename+0x18b2 VOP_RENAME(fffffd8069f2d518,fffffd80688da1c0,ffff80002a20c748,fffffd8069f2d518,0,ffff80002a20c698) at VOP_RENAME+0x13c dorenameat(ffff8000ffff8ce0,ffffff9c,200005c0,ffffff9c,20000800) at dorenameat+0x3f8 syscall(ffff80002a20c8e0) at syscall+0xaf8 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3c26e978b0, 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(ffffffff8305cab9) at panic+0x1e5 ufs_rename(ffff80002a20c578) at ufs_rename+0x18b2 VOP_RENAME(fffffd8069f2d518,fffffd80688da1c0,ffff80002a20c748,fffffd8069f2d518,0,ffff80002a20c698) at VOP_RENAME+0x13c dorenameat(ffff8000ffff8ce0,ffffff9c,200005c0,ffffff9c,20000800) at dorenameat+0x3f8 syscall(ffff80002a20c8e0) at syscall+0xaf8 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3c26e978b0, count: -7 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a20c2f0 rbx 0xffff800029b5cdc7 rdx 0x3fd rcx 0 rax 0x22 r8 0x101010101010101 r9 0x8080808080808080 r10 0x65ce74f79f78a9 r11 0x3f22d5df15798cc9 r12 0xffff800029b5cbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff82afe3b5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a20c2e0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) tid=126774 pid=79755 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=72, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a193708,0xffff8000ffff87e0 process=0xffff80002a0846f0 user=0xffff80002a207000, vmspace=0xfffffd8067b61ca0 estcpu=22, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 15871 382772 80627 0 2 0 syz-executor.2 15871 505377 80627 0 3 0x4000080 fsleep syz-executor.2 15871 105806 80627 0 2 0x4000000 syz-executor.2 79755 254700 15577 0 3 0x80 nanoslp syz-executor.0 79755 300705 15577 0 3 0x4000000 inode syz-executor.0 79755 70047 15577 0 7 0x4000000 syz-executor.0 *79755 126774 15577 0 7 0x4000000 syz-executor.0 39814 246389 69019 0 3 0x80 nanoslp syz-executor.6 39814 30503 69019 0 2 0x4000000 syz-executor.6 39814 211101 69019 0 3 0x4000000 biowait syz-executor.6 39814 367307 69019 0 3 0x4000080 fsleep syz-executor.6 55796 456339 57661 0 3 0x80 nanoslp syz-executor.1 55796 196716 57661 0 3 0x4000000 inode syz-executor.1 55796 22109 57661 0 2 0x4000000 syz-executor.1 55796 419670 57661 0 3 0x4000080 fsleep syz-executor.1 69620 176058 63225 0 3 0x80 nanoslp syz-executor.3 69620 80749 63225 0 3 0x4000000 biowait syz-executor.3 69620 14178 63225 0 3 0x4000000 inode syz-executor.3 69620 469860 63225 0 3 0x4000080 fsleep syz-executor.3 63225 473485 84841 0 3 0x82 nanoslp syz-executor.3 9852 297054 84841 0 3 0x82 nanoslp syz-executor.7 55242 265151 84841 0 3 0x2 biowait syz-executor.4 69019 393306 84841 0 3 0x82 nanoslp syz-executor.6 6154 392992 84841 0 3 0x82 nanoslp syz-executor.5 80627 232988 84841 0 3 0x82 nanoslp syz-executor.2 57661 242543 84841 0 3 0x82 nanoslp syz-executor.1 15577 94644 84841 0 3 0x82 nanoslp syz-executor.0 84841 316686 88264 0 3 0x82 wait syz-execprog 84841 178093 88264 0 3 0x4000082 nanoslp syz-execprog 84841 304304 88264 0 3 0x4000082 wait syz-execprog 84841 36174 88264 0 3 0x4000082 thrsleep syz-execprog 84841 1661 88264 0 3 0x4000082 wait syz-execprog 84841 382032 88264 0 3 0x4000082 wait syz-execprog 84841 145249 88264 0 3 0x4000082 thrsleep syz-execprog 84841 7397 88264 0 3 0x4000082 wait syz-execprog 84841 184659 88264 0 3 0x4000082 wait syz-execprog 84841 63876 88264 0 3 0x4000082 wait syz-execprog 84841 201342 88264 0 3 0x4000082 thrsleep syz-execprog 84841 166091 88264 0 3 0x4000082 wait syz-execprog 84841 124629 88264 0 3 0x4000082 thrsleep syz-execprog 84841 179592 88264 0 3 0x4000082 kqread syz-execprog 84841 30047 88264 0 3 0x4000082 thrsleep syz-execprog 88264 504769 75104 0 3 0x10008a sigsusp ksh 75104 250297 26573 0 3 0x98 kqread sshd-session 26573 445495 30004 0 3 0x92 kqread sshd-session 3056 208897 1 0 3 0x100083 ttyin getty 30004 280445 1 0 3 0x88 kqread sshd 37407 164481 1419 74 3 0x1100092 bpf pflogd 1419 265093 1 0 3 0x80 sbwait pflogd 8866 280649 40543 73 3 0x1100090 kqread syslogd 40543 36598 1 0 3 0x100082 sbwait syslogd 44649 204852 1 0 3 0x100080 kqread resolvd 16864 494347 27440 77 3 0x100092 kqread dhcpleased 81437 466032 27440 77 3 0x100092 kqread dhcpleased 27440 459390 1 0 3 0x80 kqread dhcpleased 91683 506488 0 0 3 0x14200 bored smr 30850 424995 0 0 3 0x14200 pgzero zerothread 91040 49680 0 0 3 0x14200 aiodoned aiodoned 6743 115075 0 0 3 0x14200 syncer update 94329 107676 0 0 3 0x14200 cleaner cleaner 31942 454410 0 0 3 0x14200 reaper reaper 46692 173099 0 0 3 0x14200 pgdaemon pagedaemon 88709 469483 0 0 3 0x14200 bored viomb 43710 258268 0 0 3 0x40014200 acpi0 acpi0 98610 36534 0 0 3 0x40014200 idle1 60350 150523 0 0 3 0x14200 bored softnet3 75293 15788 0 0 3 0x14200 bored softnet2 18009 185762 0 0 3 0x14200 bored softnet1 62644 155532 0 0 3 0x14200 bored softnet0 37559 366246 0 0 3 0x14200 bored systqmp 43190 126920 0 0 3 0x14200 bored systq 46862 413805 0 0 3 0x14200 tmoslp softclockmp 1265 356419 0 0 3 0x40014200 tmoslp softclock 68332 228432 0 0 3 0x40014200 idle0 1 420736 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 79755 (syz-executor.0) thread 0xffff8000ffff8ce0 (126774) exclusive rrwlock inode r = 0 (0xfffffd806abc1ca8) #0 witness_lock+0x5bb #1 rw_do_enter_write+0x3bd #2 rrw_enter+0xc6 #3 VOP_LOCK+0xa6 #4 vn_lock+0xa4 #5 vget+0x2bd #6 ufs_ihashget+0x192 #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 (0xfffffd8068426508) #0 witness_lock+0x5bb #1 rw_do_enter_write+0x3bd #2 rrw_enter+0xc6 #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 (0xffffffff83595200) #0 witness_lock+0x5bb #1 __mp_acquire_count+0x58 #2 mi_switch+0x4b7 #3 sleep_finish+0x2f2 #4 biowait+0xc1 #5 bwrite+0x2e5 #6 VOP_BWRITE+0x60 #7 ufs_direnter+0x7d1 #8 ufs_rename+0xe54 #9 VOP_RENAME+0x13c #10 dorenameat+0x3f8 #11 syscall+0xaf8 #12 Xsyscall+0x128 Process 39814 (syz-executor.6) thread 0xffff80002a194558 (211101) exclusive rrwlock inode r = 0 (0xfffffd8067b6f2e0) #0 witness_lock+0x5bb #1 rw_do_enter_write+0x3bd #2 rrw_enter+0xc6 #3 VOP_LOCK+0xa6 #4 vn_lock+0xa4 #5 vget+0x2bd #6 ufs_ihashget+0x192 #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 (0xfffffd8068426cb0) #0 witness_lock+0x5bb #1 rw_do_enter_write+0x3bd #2 rrw_enter+0xc6 #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 Process 55796 (syz-executor.1) thread 0xffff80002a192ce8 (22109) exclusive rrwlock inode r = 0 (0xfffffd8067b6f510) #0 witness_lock+0x5bb #1 rw_do_enter_write+0x3bd #2 rrw_enter+0xc6 #3 VOP_LOCK+0xa6 #4 vn_lock+0xa4 #5 ufs_rename+0x204 #6 VOP_RENAME+0x13c #7 dorenameat+0x3f8 #8 syscall+0xaf8 #9 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806abc1960) #0 witness_lock+0x5bb #1 rw_do_enter_write+0x3bd #2 rrw_enter+0xc6 #3 VOP_LOCK+0xa6 #4 vn_lock+0xa4 #5 vget+0x2bd #6 ufs_ihashget+0x192 #7 ffs_vget+0x8c #8 ufs_lookup+0x1a72 #9 VOP_LOOKUP+0x6e #10 vfs_lookup+0x8fa #11 namei+0x7aa #12 dorenameat+0x145 #13 syscall+0xaf8 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80684263f0) #0 witness_lock+0x5bb #1 rw_do_enter_write+0x3bd #2 rrw_enter+0xc6 #3 VOP_LOCK+0xa6 #4 vn_lock+0xa4 #5 vfs_lookup+0x109 #6 namei+0x7aa #7 dorenameat+0x145 #8 syscall+0xaf8 #9 Xsyscall+0x128 Process 69620 (syz-executor.3) thread 0xffff80002a0062b8 (80749) exclusive rrwlock inode r = 0 (0xfffffd8067b6fa88) #0 witness_lock+0x5bb #1 rw_do_enter_write+0x3bd #2 rrw_enter+0xc6 #3 VOP_LOCK+0xa6 #4 vn_lock+0xa4 #5 vget+0x2bd #6 ufs_ihashget+0x192 #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 (0xfffffd806abc1618) #0 witness_lock+0x5bb #1 rw_do_enter_write+0x3bd #2 rrw_enter+0xc6 #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 Process 55242 (syz-executor.4) thread 0xffff80002a0071e8 (265151) exclusive rrwlock inode r = 0 (0xfffffd8068426850) #0 witness_lock+0x5bb #1 rw_do_enter_write+0x3bd #2 rrw_enter+0xc6 #3 VOP_LOCK+0xa6 #4 vn_lock+0xa4 #5 vget+0x2bd #6 ufs_ihashget+0x192 #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 (0xfffffd806abc1848) #0 witness_lock+0x5bb #1 rw_do_enter_write+0x3bd #2 rrw_enter+0xc6 #3 VOP_LOCK+0xa6 #4 vn_lock+0xa4 #5 vget+0x2bd #6 cache_lookup+0x36e #7 ufs_lookup+0x21b #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 10181 11113K 11113K 166960K 11262 0 pcb 17 12K 12K 166960K 17 0 rtable 234 6K 6K 166960K 378 0 pf 34 17K 18K 166960K 48 0 ifaddr 43 7K 7K 166960K 49 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 1262 79K 80K 166960K 1281 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 1690 195K 286K 166960K 12468 0 file desc 15 53K 93K 166960K 176 0 proc 69 91K 128K 166960K 556 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 423 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 305 77K 77K 166960K 4687 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 42 84K 112K 166960K 1550 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 20 1K 2K 166960K 31 0 temp 1 6868K 6937K 166960K 5012 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 35 0 32 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 2 0 1 0 8 0 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 23 0 4 1 0 1 1 0 8 0 pfstkey 128 23 0 4 1 0 1 1 0 8 0 pfstate 376 23 0 4 2 0 2 2 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 256 501 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 1690 0 147 97 0 97 97 0 8 0 ffsino 280 1690 0 147 111 0 111 111 0 8 0 nchpl 144 2013 0 229 68 1 67 67 0 8 0 uvmvnodes 80 1704 0 0 35 0 35 35 0 8 0 vnodes 216 1704 0 0 95 0 95 95 0 8 0 namei 1024 9740 0 9726 10 5 5 5 0 8 2 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 9342 0 9339 10 9 1 8 1 8 0 plimitpl 152 59 0 42 1 0 1 1 0 8 0 sigapl 424 535 0 486 10 4 6 7 0 8 0 futexpl 64 114 0 110 2 1 1 1 0 8 0 knotepl 120 107 0 0 4 0 4 4 0 8 0 kqueuepl 216 42 0 33 1 0 1 1 0 8 0 pipepl 328 187 0 159 5 2 3 3 0 8 0 fdescpl 504 517 0 487 6 1 5 5 0 8 0 filepl 152 2201 0 2064 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 144 492 0 490 3 2 1 1 0 8 0 processpl 1168 535 0 486 6 2 4 5 0 8 0 procpl 648 605 0 528 12 4 8 9 0 8 1 sockpl 688 177 0 151 4 1 3 3 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 224 0 0 25 0 25 25 0 8 0 mcl2k 2048 13 0 0 2 0 2 2 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 226 0 0 13 0 13 13 0 8 0 bufpl 280 4473 0 160 309 0 309 309 0 8 0 anonpl 24 370429 0 365854 66 35 31 52 0 185 0 amapchunkpl 152 17937 0 17236 51 21 30 30 0 158 0 amappl16 200 11102 0 11028 9 5 4 5 0 8 0 amappl15 192 17 0 17 2 2 0 1 0 8 0 amappl14 184 284 0 270 3 2 1 2 0 8 0 amappl13 176 22 0 22 2 2 0 1 0 8 0 amappl12 168 1287 0 1255 5 3 2 3 0 8 0 amappl11 160 85 0 71 1 0 1 1 0 8 0 amappl10 152 90 0 80 2 1 1 1 0 8 0 amappl9 144 491 0 490 1 0 1 1 0 8 0 amappl8 136 208 0 175 3 1 2 2 0 8 0 amappl7 128 222 0 203 3 1 2 2 0 8 0 amappl6 120 394 0 388 2 1 1 2 0 8 0 amappl5 112 222 0 211 1 0 1 1 0 8 0 amappl4 104 549 0 526 3 2 1 2 0 8 0 amappl3 96 3836 0 3731 6 3 3 3 0 8 0 amappl2 88 1264 0 1181 7 5 2 4 0 8 0 amappl1 80 14967 0 14383 34 20 14 24 0 8 0 amappl 88 3909 0 3697 8 2 6 6 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 24 517 0 487 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 517 0 487 1 0 1 1 0 8 0 vmmpekpl 168 11404 0 11357 3 0 3 3 0 8 0 vmmpepl 168 71400 0 69475 144 56 88 121 0 357 0 vmsppl 456 516 0 487 6 1 5 5 0 8 0 rwobjpl 64 33522 0 30749 63 12 51 54 0 8 0 pdppl 4096 1041 0 974 137 66 71 85 0 8 4 pvpl 32 45971 0 0 372 1 371 371 0 265 0 pmappl 248 516 0 487 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 340 0 81 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83523ff0) at x86_ipi_db+0x27 x86_ipi_handler() at x86_ipi_handler+0xd9 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff83594ff8) at __mp_lock+0x192 intr_handler(ffff80002a1ec6f0,ffff800000079f80) at intr_handler+0xe1 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83594ff8) at __mp_lock+0x192 __mp_acquire_count(ffffffff83594ff8,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x4b7 sleep_finish(0,1) at sleep_finish+0x2f2 rw_do_enter_write(fffffd80684264f0,1) at rw_do_enter_write+0x1de rrw_enter(fffffd80684264f0,1) at rrw_enter+0xc6 VOP_LOCK(fffffd8069f2d518,2001) at VOP_LOCK+0xa6 vn_lock(fffffd8069f2d518,2001) at vn_lock+0xa4 end trace frame: 0xffff80002a1ecb00, count: 0 ddb{0}> trace x86_ipi_db(ffffffff83523ff0) at x86_ipi_db+0x27 x86_ipi_handler() at x86_ipi_handler+0xd9 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff83594ff8) at __mp_lock+0x192 intr_handler(ffff80002a1ec6f0,ffff800000079f80) at intr_handler+0xe1 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83594ff8) at __mp_lock+0x192 __mp_acquire_count(ffffffff83594ff8,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x4b7 sleep_finish(0,1) at sleep_finish+0x2f2 rw_do_enter_write(fffffd80684264f0,1) at rw_do_enter_write+0x1de rrw_enter(fffffd80684264f0,1) at rrw_enter+0xc6 VOP_LOCK(fffffd8069f2d518,2001) at VOP_LOCK+0xa6 vn_lock(fffffd8069f2d518,2001) at vn_lock+0xa4 vfs_lookup(ffff80002a1ecc68) at vfs_lookup+0x109 namei(ffff80002a1ecc68) at namei+0x7aa dorenameat(ffff80002a193990,ffffff9c,200004c0,ffffff9c,20000240) at dorenameat+0x91 syscall(ffff80002a1ece60) at syscall+0xaf8 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3c399f4d70, count: -19 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 panic(ffffffff8305cab9) at panic+0x1e5 ufs_rename(ffff80002a20c578) at ufs_rename+0x18b2 VOP_RENAME(fffffd8069f2d518,fffffd80688da1c0,ffff80002a20c748,fffffd8069f2d518,0,ffff80002a20c698) at VOP_RENAME+0x13c dorenameat(ffff8000ffff8ce0,ffffff9c,200005c0,ffffff9c,20000800) at dorenameat+0x3f8 syscall(ffff80002a20c8e0) at syscall+0xaf8 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3c26e978b0, count: 8 ddb{1}> trace db_enter() at db_enter+0x25 panic(ffffffff8305cab9) at panic+0x1e5 ufs_rename(ffff80002a20c578) at ufs_rename+0x18b2 VOP_RENAME(fffffd8069f2d518,fffffd80688da1c0,ffff80002a20c748,fffffd8069f2d518,0,ffff80002a20c698) at VOP_RENAME+0x13c dorenameat(ffff8000ffff8ce0,ffffff9c,200005c0,ffffff9c,20000800) at dorenameat+0x3f8 syscall(ffff80002a20c8e0) at syscall+0xaf8 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3c26e978b0, count: -7