bŠH‹` 2þWÒÓô+:k{»×÷øz£’²œ§†ÌÁˆ@‰I¬Ÿá[•*m}aÕøï;3iƘoq¿¦?Í‘ªJ'š§uvm_fault(0xffffffff8354a888, 0xffff800027942004, 0, 1) -> d kernel: page fault trap, code=0 Stopped at ufs_lookup+0x5e1: movzwl 0x4(%r15,%rbx,1),%r14d TID PID UID PRFLAGS PFLAGS CPU COMMAND *384730 81626 0 0x2 0 1K syz-executor 461841 71471 0 0x14000 0x40000200 0 softclock ufs_lookup() at ufs_lookup+0x5e1 sys/ufs/ufs/ufs_lookup.c:279 VOP_LOOKUP(fffffd8070ac26e0,ffff8000347ac9f8,ffff8000347aca28) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff8000347ac9c8) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff8000347ac9c8) at namei+0x7aa sys/kern/vfs_lookup.c:250 dounlinkat(ffff8000ffff87d0,ffffff9c,7e21a7d31f80,8) at dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 syscall(ffff8000347acba0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000347acba0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e21a7d31f70, 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: uvm_fault(0xffffffff8354a888, 0xffff800027942004, 0, 1) -> d ddb{1}> trace ufs_lookup() at ufs_lookup+0x5e1 sys/ufs/ufs/ufs_lookup.c:279 VOP_LOOKUP(fffffd8070ac26e0,ffff8000347ac9f8,ffff8000347aca28) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff8000347ac9c8) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff8000347ac9c8) at namei+0x7aa sys/kern/vfs_lookup.c:250 dounlinkat(ffff8000ffff87d0,ffffff9c,7e21a7d31f80,8) at dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 syscall(ffff8000347acba0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000347acba0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e21a7d31f70, count: -7 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff8000347ac810 rbx 0 rdx 0 rcx 0xffffffff rax 0xfffffd8064f26460 r8 0xffffffffffffffff r9 0xfffffd807f7d3410 r10 0xcc59e55d21f436bb r11 0xa8a69c9bc34f7068 r12 0 r13 0xfffffd8077af6450 r14 0 r15 0xffff800027942000 rip 0xffffffff829bc8c1 ufs_lookup+0x5e1 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff8000347ac700 ss 0x10 ufs_lookup+0x5e1: movzwl 0x4(%r15,%rbx,1),%r14d ddb{1}> show proc PROC (syz-executor) tid=384730 pid=81626 tcnt=1 stat=onproc flags process=2 proc=0 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff9700,0xffff8000ffff8cf0 process=0xffff80003482c918 user=0xffff8000347a7000, vmspace=0xfffffd806c927dd8 estcpu=36, cpticks=1, pctcpu=0.1, user=0, sys=3, intr=1 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 59866 17228 19303 0 2 0 syz-executor 59866 286248 19303 0 3 0x4000080 fsleep syz-executor 58471 409999 96391 0 2 0 syz-executor 58471 314154 96391 0 3 0x4000080 netcon syz-executor 58471 413987 96391 0 3 0x4000080 fsleep syz-executor 54098 96627 63281 -1 2 0x10 syz-executor 54098 475346 63281 -1 2 0x4000010 syz-executor 98035 511776 631 0 2 0x480 syz-executor 98035 400964 631 0 3 0x4000080 wsevent_read syz-executor 98035 252892 631 0 3 0x4000080 fsleep syz-executor 63281 87722 56049 0 2 0x482 syz-executor 631 433967 56049 0 2 0x482 syz-executor 96391 229015 56049 0 2 0x482 syz-executor 18698 94018 56049 0 2 0x482 syz-executor *81626 384730 56049 0 7 0x2 syz-executor 19303 253417 56049 0 2 0x482 syz-executor 32207 192884 0 0 3 0x14280 nfsidl nfsio 20544 96598 0 0 3 0x14280 nfsidl nfsio 67458 375819 0 0 3 0x14280 nfsidl nfsio 18277 177971 0 0 3 0x14280 nfsidl nfsio 76999 508790 0 0 3 0x14280 nfsidl nfsio 15361 433454 0 0 3 0x14280 nfsidl nfsio 85085 242334 0 0 3 0x14280 nfsidl nfsio 74657 76767 0 0 3 0x14280 nfsidl nfsio 23504 433068 0 0 3 0x14280 nfsidl nfsio 12358 482973 0 0 3 0x14280 nfsidl nfsio 32732 262750 0 0 3 0x14280 nfsidl nfsio 46612 324879 0 0 3 0x14280 nfsidl nfsio 32474 9011 0 0 3 0x14280 nfsidl nfsio 12997 12093 0 0 3 0x14280 nfsidl nfsio 19683 312150 0 0 3 0x14280 nfsidl nfsio 93897 89535 0 0 3 0x14280 nfsidl nfsio 73426 6592 0 0 3 0x14280 nfsidl nfsio 24978 266786 0 0 3 0x14280 nfsidl nfsio 84079 168489 0 0 3 0x14280 nfsidl nfsio 98804 19796 0 0 3 0x14280 nfsidl nfsio 88611 170930 0 0 3 0x14200 bored sosplice 56049 293813 50835 0 3 0x82 wait syz-executor 50835 265436 51582 0 3 0x10008a sigsusp ksh 51582 479906 73264 0 3 0x98 kqread sshd-session 73264 276154 46017 0 3 0x92 kqread sshd-session 91648 135141 1 0 3 0x100083 ttyin getty 46017 258228 1 0 3 0x88 kqread sshd 77442 270625 17829 74 3 0x1100092 bpf pflogd 17829 316243 1 0 3 0x80 sbwait pflogd 58951 241286 89929 73 3 0x1100090 kqread syslogd 89929 216594 1 0 3 0x100082 sbwait syslogd 62017 393019 1 0 3 0x100080 kqread resolvd 27641 445205 9318 77 3 0x100092 kqread dhcpleased 31099 366906 9318 77 3 0x100092 kqread dhcpleased 9318 223189 1 0 3 0x80 kqread dhcpleased 52591 448146 0 0 3 0x14200 bored smr 41589 366253 0 0 2 0x14200 zerothread 18415 334956 0 0 3 0x14200 aiodoned aiodoned 34162 340639 0 0 3 0x14200 syncer update 14073 487431 0 0 3 0x14200 cleaner cleaner 11659 460281 0 0 3 0x14200 reaper reaper 45459 188067 0 0 3 0x14200 pgdaemon pagedaemon 77998 438186 0 0 3 0x14200 bored viomb 55421 140726 0 0 3 0x40014200 acpi0 acpi0 13182 444813 0 0 3 0x40014200 idle1 56885 308511 0 0 3 0x14200 bored softnet3 57277 493303 0 0 3 0x14200 bored softnet2 94214 10730 0 0 3 0x14200 bored softnet1 73609 352642 0 0 3 0x14200 bored softnet0 77753 509367 0 0 3 0x14200 bored systqmp 20672 291454 0 0 3 0x14200 bored systq 42981 383163 0 0 3 0x14200 tmoslp softclockmp 71471 461841 0 0 7 0x40014200 softclock 94599 360028 0 0 3 0x40014200 idle0 1 105413 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 98035 (syz-executor) thread 0xffff8000ffff1980 (400964) exclusive rrwlock inode r = 0 (0xfffffd807ddf3a28) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 spec_open+0x302 sys/kern/spec_vnops.c:151 #6 VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 #7 vn_open+0x708 sys/kern/vfs_vnops.c:177 #8 vndioctl+0xcb1 sys/dev/vnd.c:457 #9 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #10 vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 #11 sys_ioctl+0x67c #12 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #12 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 Process 81626 (syz-executor) thread 0xffff8000ffff87d0 (384730) exclusive rrwlock inode r = 0 (0xfffffd8077af64e8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83561d10) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #1 syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 #2 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10233 10175K 10616K 166960K 11910 0 pcb 17 16K 17K 166960K 145 0 rtable 193 6K 7K 166960K 1350 0 pf 37 18K 25K 166960K 125 0 ifaddr 41 7K 8K 166960K 183 0 ifgroup 59 2K 2K 166960K 197 0 counters 66 36K 36K 166960K 134 0 ioctlops 0 0K 4K 166960K 1532 0 iov 0 0K 24K 166960K 23 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1430 90K 90K 166960K 2025 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 9 2K 2K 166960K 13 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 15 53K 93K 166960K 865 0 sigio 0 0K 0K 166960K 5 0 proc 73 91K 152K 166960K 1442 0 subproc 104 6K 6K 166960K 520 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 58 0 in_multi 88 6K 7K 166960K 466 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 235 1049K 1049K 166960K 235 0 exec 0 0K 1K 166960K 825 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 223 72K 91K 166960K 7695 0 UVM aobj 8 2K 2K 166960K 8 0 pinsyscall 40 80K 108K 166960K 2821 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 16 0 NDP 13 0K 2K 166960K 127 0 temp 41 6812K 7070K 166960K 23547 0 kqueue 13 20K 26K 166960K 59 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 120 131 0 128 1 0 1 1 0 8 0 rtentry 112 471 0 383 4 1 3 4 0 8 0 unpcb 144 255 0 234 6 4 2 4 0 8 1 syncache 336 7 0 7 4 4 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 311 0 273 16 12 4 8 0 8 0 arp 120 82 0 66 1 0 1 1 0 8 0 inpcb 336 907 0 863 21 14 7 12 0 8 3 nd6 136 122 0 100 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 1 0 1 0 8 0 kcovpl 48 40 0 32 1 0 1 1 0 8 0 ppxss 1168 1 0 1 1 1 0 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 2 0 1 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 69 0 34 1 0 1 1 0 8 0 pfstkey 128 69 0 34 2 0 2 2 0 8 0 pfstate 376 68 0 34 4 0 4 4 0 8 0 pfrule 1344 23 0 18 2 0 2 2 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1967 0 1564 33 5 28 31 0 8 0 art_table 32 1968 0 1564 4 0 4 4 0 8 0 art_node 16 470 0 391 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 2 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 8 0 1 1 0 1 1 0 8 0 shmpl 112 5 0 0 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2048 0 480 99 0 99 99 0 8 0 ffsino 272 2050 0 482 106 0 106 106 0 8 0 nchpl 144 2594 0 860 65 0 65 65 0 8 0 uvmvnodes 80 2741 0 0 56 0 56 56 0 8 0 vnodes 216 2741 0 0 153 0 153 153 0 8 0 namei 1024 11497 0 11496 5 4 1 2 0 8 0 percpumem 16 81 0 34 1 0 1 1 0 8 0 kstatmem 264 94 0 68 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 16533 0 16533 11 9 2 8 1 8 2 plimitpl 152 92 0 75 1 0 1 1 0 8 0 sigapl 424 1136 0 1068 11 2 9 9 0 8 0 futexpl 64 4072 0 4069 5 4 1 1 0 8 0 knotepl 120 361 0 0 10 0 10 10 0 8 0 kqueuepl 216 120 0 111 3 2 1 3 0 8 0 pipepl 320 310 0 283 8 2 6 6 0 8 3 fdescpl 496 1096 0 1067 6 1 5 5 0 8 0 filepl 152 5037 0 4754 25 10 15 15 0 8 3 lockfpl 104 194 0 191 2 0 2 2 0 8 1 lockfspl 48 55 0 52 1 0 1 1 0 8 0 sessionpl 144 57 0 48 1 0 1 1 0 8 0 pgrppl 48 99 0 82 1 0 1 1 0 8 0 ucredpl 104 575 0 558 1 0 1 1 0 8 0 zombiepl 144 1071 0 1068 1 0 1 1 0 8 0 processpl 1160 1136 0 1068 7 1 6 6 0 8 0 procpl 648 1540 0 1466 9 1 8 8 0 8 0 srpgc 96 4 0 4 2 1 1 1 0 8 1 sosppl 168 2 0 2 1 1 0 1 0 8 0 sockpl 664 1333 0 1265 21 13 8 14 0 8 2 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 241 0 0 31 0 31 31 0 8 0 mtagpl 96 6 0 0 1 0 1 1 0 8 0 mbufpl 256 813 0 0 51 2 49 49 0 8 0 bufpl 280 6721 0 547 442 0 442 442 0 8 0 anonpl 24 212995 0 209638 57 6 51 57 0 185 23 amapchunkpl 152 23765 0 23308 34 3 31 33 0 158 10 amappl16 200 4253 0 4235 9 7 2 5 0 8 0 amappl15 192 2 0 2 1 1 0 1 0 8 0 amappl14 184 204 0 192 1 0 1 1 0 8 0 amappl13 176 12 0 12 1 1 0 1 0 8 0 amappl12 168 2290 0 2261 4 2 2 3 0 8 0 amappl11 160 53 0 39 1 0 1 1 0 8 0 amappl10 152 11 0 11 1 1 0 1 0 8 0 amappl9 144 133 0 133 1 1 0 1 0 8 0 amappl8 136 30 0 28 1 0 1 1 0 8 0 amappl7 128 191 0 178 1 0 1 1 0 8 0 amappl6 120 487 0 485 1 0 1 1 0 8 0 amappl5 112 268 0 257 1 0 1 1 0 8 0 amappl4 104 425 0 407 1 0 1 1 0 8 0 amappl3 96 4478 0 4372 5 1 4 4 0 8 0 amappl2 88 1160 0 1093 2 0 2 2 0 8 0 amappl1 80 12442 0 11868 15 1 14 15 0 8 0 amappl 88 7038 0 6878 5 0 5 5 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 7 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1096 0 1067 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1096 0 1067 1 0 1 1 0 8 0 vmmpekpl 168 10999 0 10946 3 0 3 3 0 8 0 vmmpepl 168 75182 0 73424 95 11 84 90 0 357 0 vmsppl 440 1095 0 1067 6 2 4 5 0 8 0 rwobjpl 56 27731 0 24062 53 0 53 53 0 8 0 pdppl 4096 2199 0 2134 141 70 71 85 0 8 6 pvpl 32 29604 0 0 240 1 239 239 0 265 0 pmappl 248 1095 0 1067 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 519 0 114 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83454ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:158 __mp_lock(ffffffff83561b08) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83561b08) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff83561b08,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x658 sys/kern/sched_bsd.c:460 sleep_finish(0,1) at sleep_finish+0x219 sys/kern/kern_synch.c:416 msleep(ffffffff8356aff0,ffffffff834aa120,0,ffffffff830e677e,0) at msleep+0x13b sys/kern/kern_synch.c:249 softclock_thread(ffff8000ffffeca8) at softclock_thread+0x11f sys/kern/kern_timeout.c:807 end trace frame: 0x0, count: 5 ddb{0}> trace x86_ipi_db(ffffffff83454ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:158 __mp_lock(ffffffff83561b08) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83561b08) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff83561b08,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x658 sys/kern/sched_bsd.c:460 sleep_finish(0,1) at sleep_finish+0x219 sys/kern/kern_synch.c:416 msleep(ffffffff8356aff0,ffffffff834aa120,0,ffffffff830e677e,0) at msleep+0x13b sys/kern/kern_synch.c:249 softclock_thread(ffff8000ffffeca8) at softclock_thread+0x11f sys/kern/kern_timeout.c:807 end trace frame: 0x0, count: -10 ddb{0}> machine ddbcpu 1 Stopped at ufs_lookup+0x5e1: movzwl 0x4(%r15,%rbx,1),%r14d ufs_lookup() at ufs_lookup+0x5e1 sys/ufs/ufs/ufs_lookup.c:279 VOP_LOOKUP(fffffd8070ac26e0,ffff8000347ac9f8,ffff8000347aca28) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff8000347ac9c8) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff8000347ac9c8) at namei+0x7aa sys/kern/vfs_lookup.c:250 dounlinkat(ffff8000ffff87d0,ffffff9c,7e21a7d31f80,8) at dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 syscall(ffff8000347acba0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000347acba0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e21a7d31f70, count: 8 ddb{1}> trace ufs_lookup() at ufs_lookup+0x5e1 sys/ufs/ufs/ufs_lookup.c:279 VOP_LOOKUP(fffffd8070ac26e0,ffff8000347ac9f8,ffff8000347aca28) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff8000347ac9c8) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff8000347ac9c8) at namei+0x7aa sys/kern/vfs_lookup.c:250 dounlinkat(ffff8000ffff87d0,ffffff9c,7e21a7d31f80,8) at dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 syscall(ffff8000347acba0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000347acba0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e21a7d31f70, count: -7