panic: ufsdirhash_lookup: bad offset in hash array Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 84944 55148 0 0 0 0 syz-executor.1 *125805 67375 0 0 0x4000000 1K syz-executor.3 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8286ceae) at panic+0x17b sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd80769ba778,ffffffff8284e982,2,fffffd80769ba844,ffff800027b24df8,0) at ufsdirhash_lookup+0x8b8 sys/ufs/ufs/ufs_dirhash.c:343 ufs_lookup() at ufs_lookup+0xc15 sys/ufs/ufs/ufs_lookup.c:216 VOP_LOOKUP(fffffd8066058d08,ffff800027b24f98,ffff800027b24f38) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 unveil_find_cover(fffffd8066058d08,ffff8000211d85a8) at unveil_find_cover+0x130 sys/kern/kern_unveil.c:277 unveil_start_relative(ffff8000211d85a8,ffff800027b251b8,fffffd8066058d08) at unveil_start_relative+0xf6 sys/kern/kern_unveil.c:606 namei(ffff800027b251b8) at namei+0x453 sys/kern/vfs_lookup.c:237 dorenameat(ffff8000211d85a8,4,200004c0,ffffffff,0) at dorenameat+0x7f sys/kern/vfs_syscalls.c:2950 syscall(ffff800027b253b0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800027b253b0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x248e20b9bd0, count: 4 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: ufsdirhash_lookup: bad offset in hash array ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8286ceae) at panic+0x17b sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd80769ba778,ffffffff8284e982,2,fffffd80769ba844,ffff800027b24df8,0) at ufsdirhash_lookup+0x8b8 sys/ufs/ufs/ufs_dirhash.c:343 ufs_lookup() at ufs_lookup+0xc15 sys/ufs/ufs/ufs_lookup.c:216 VOP_LOOKUP(fffffd8066058d08,ffff800027b24f98,ffff800027b24f38) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 unveil_find_cover(fffffd8066058d08,ffff8000211d85a8) at unveil_find_cover+0x130 sys/kern/kern_unveil.c:277 unveil_start_relative(ffff8000211d85a8,ffff800027b251b8,fffffd8066058d08) at unveil_start_relative+0xf6 sys/kern/kern_unveil.c:606 namei(ffff800027b251b8) at namei+0x453 sys/kern/vfs_lookup.c:237 dorenameat(ffff8000211d85a8,4,200004c0,ffffffff,0) at dorenameat+0x7f sys/kern/vfs_syscalls.c:2950 syscall(ffff800027b253b0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800027b253b0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x248e20b9bd0, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800027b24c10 rbx 0xffff800020d59b9f rdx 0 rcx 0xffff8000211d85a8 rax 0xffff800020d58ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x17672c019d686b3d r11 0xdf20ab3222be7b4b r12 0xffff800020d599a0 r13 0 r14 0 r15 0x1 rip 0xffffffff81d4418c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff800027b24c00 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.3) pid=125805 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=66, nice=20 forw=0xffffffffffffffff, list=0xffff8000211d98b0,0xffff8000211d8870 process=0xffff8000ffff4cb0 user=0xffff800027b20000, vmspace=0xfffffd806d67f920 estcpu=16, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 17127 103120 57122 0 2 0 syz-executor.7 32394 431739 18023 0 2 0 syz-executor.4 55148 84944 50213 0 7 0 syz-executor.1 55148 496592 50213 0 2 0x4000000 syz-executor.1 79740 192883 83781 0 2 0 syz-executor.0 79740 427641 83781 0 3 0x4000080 fsleep syz-executor.0 67375 106491 50147 0 2 0 syz-executor.3 *67375 125805 50147 0 7 0x4000000 syz-executor.3 67375 419379 50147 0 2 0x4000000 syz-executor.3 88575 243733 48876 0 3 0x80 nanoslp syz-executor.2 88575 271415 48876 0 3 0x4000080 fsleep syz-executor.2 88575 9675 48876 0 3 0x4000080 fsleep syz-executor.2 88575 389021 48876 0 3 0x4000080 fsleep syz-executor.2 26807 77817 56453 0 3 0x82 nanoslp syz-executor.6 48876 160534 56453 0 3 0x82 nanoslp syz-executor.2 83824 343552 1 0 3 0x100083 ttyin getty 83781 125871 56453 0 3 0x82 nanoslp syz-executor.0 52151 353798 56453 0 3 0x82 nanoslp syz-executor.5 18023 351499 56453 0 3 0x82 nanoslp syz-executor.4 57122 17332 56453 0 3 0x82 nanoslp syz-executor.7 50213 484918 56453 0 3 0x82 nanoslp syz-executor.1 50147 246623 56453 0 3 0x82 nanoslp syz-executor.3 35543 363107 0 0 3 0x14200 acct acct 29131 25649 0 0 3 0x14200 bored sosplice 56453 376898 86388 0 3 0x2000082 wait syz-fuzzer 56453 395683 86388 0 3 0x6000082 nanoslp syz-fuzzer 56453 83643 86388 0 3 0x6000082 wait syz-fuzzer 56453 235771 86388 0 3 0x6000082 thrsleep syz-fuzzer 56453 229190 86388 0 3 0x6000082 wait syz-fuzzer 56453 91990 86388 0 3 0x6000082 wait syz-fuzzer 56453 132171 86388 0 3 0x6000082 wait syz-fuzzer 56453 323961 86388 0 3 0x6000082 thrsleep syz-fuzzer 56453 79992 86388 0 3 0x6000082 thrsleep syz-fuzzer 56453 101005 86388 0 3 0x6000082 thrsleep syz-fuzzer 56453 409 86388 0 3 0x6000082 wait syz-fuzzer 56453 321284 86388 0 2 0x6000002 syz-fuzzer 56453 187670 86388 0 3 0x6000082 kqread syz-fuzzer 56453 195302 86388 0 3 0x6000082 wait syz-fuzzer 56453 211389 86388 0 3 0x6000082 wait syz-fuzzer 56453 216294 86388 0 3 0x6000082 thrsleep syz-fuzzer 86388 161402 82287 0 3 0x10008a sigsusp ksh 82287 158495 58619 0 3 0x9a kqread sshd 58619 38253 1 0 3 0x88 kqread sshd 31818 237411 6006 74 3 0x1100092 bpf pflogd 6006 56566 1 0 3 0x80 netio pflogd 41339 487171 26110 73 3 0x1100090 kqread syslogd 26110 487655 1 0 3 0x100082 netio syslogd 57316 240845 1 0 3 0x100080 kqread resolvd 35755 490158 95097 77 3 0x100092 kqread dhcpleased 45309 88764 95097 77 3 0x100092 kqread dhcpleased 95097 347511 1 0 3 0x80 kqread dhcpleased 41683 337403 0 0 3 0x14200 bored smr 58902 297714 0 0 2 0x14200 zerothread 10297 322284 0 0 3 0x14200 aiodoned aiodoned 18562 307115 0 0 3 0x14200 syncer update 10675 301533 0 0 3 0x14200 cleaner cleaner 486 107954 0 0 3 0x14200 reaper reaper 65702 38467 0 0 3 0x14200 pgdaemon pagedaemon 97691 184999 0 0 3 0x14200 bored viomb 32622 15524 0 0 3 0x40014200 acpi0 acpi0 90928 2647 0 0 3 0x40014200 idle1 11695 514005 0 0 3 0x14200 bored softnet3 43335 206488 0 0 3 0x14200 bored softnet2 98914 199359 0 0 3 0x14200 bored softnet1 93763 372571 0 0 3 0x14200 bored softnet0 64593 374268 0 0 3 0x14200 bored systqmp 60371 109415 0 0 3 0x14200 bored systq 19428 354269 0 0 3 0x40014200 bored softclock 81267 377739 0 0 3 0x40014200 idle0 1 342975 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 67375 (syz-executor.3) thread 0xffff8000211d85a8 (125805) exclusive rrwlock inode r = 0 (0xfffffd80769ba810) #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 unveil_find_cover+0x10a sys/kern/kern_unveil.c:273 #7 unveil_start_relative+0xf6 sys/kern/kern_unveil.c:606 #8 namei+0x453 sys/kern/vfs_lookup.c:237 #9 dorenameat+0x7f sys/kern/vfs_syscalls.c:2950 #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 kernel_lock &kernel_lock r = 0 (0xffffffff82c95078) #0 witness_lock+0x447 #1 syscall+0x5cd mi_syscall sys/sys/syscall_mi.h:110 [inline] #1 syscall+0x5cd sys/arch/amd64/amd64/trap.c:623 #2 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10227 6505K 7253K 78643K 30275 0 pcb 13 26K 30K 78643K 854 0 rtable 241 7K 7K 78643K 1244 0 pf 32 9K 10K 78643K 315 0 ifaddr 45 17K 18K 78643K 256 0 ifgroup 55 2K 2K 78643K 499 0 sysctl 2 0K 2K 78643K 4 0 counters 60 35K 36K 78643K 312 0 ioctlops 0 0K 4K 78643K 4562 0 iov 0 0K 26K 78643K 1465 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1412 88K 89K 78643K 8367 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 100 0 VM map 2 1K 1K 78643K 2 0 sem 10 1K 1K 78643K 124 0 dirhash 90 16K 17K 78643K 19185 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 16 57K 81K 78643K 18247 0 sigio 0 0K 0K 78643K 9861 0 proc 71 103K 127K 78643K 1951 0 subproc 104 6K 6K 78643K 440 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 519 0 in_multi 99 7K 7K 78643K 486 0 ether_multi 1 0K 0K 78643K 3 0 mrt 1 0K 0K 78643K 3 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 259 1155K 1155K 78643K 259 0 exec 0 0K 1K 78643K 4904 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 94K 109K 78643K 181908 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 173 0 NDP 12 0K 1K 78643K 204 0 temp 75 5876K 6008K 78643K 133288 0 kqueue 12 18K 28K 78643K 798 0 SYN cache 2 16K 24K 78643K 4 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 120 436 0 433 8 7 1 3 0 8 0 rtentry 112 401 0 289 4 0 4 4 0 8 0 unpcb 144 9293 0 9278 106 105 1 6 0 8 0 syncache 296 131 0 131 26 26 0 1 0 8 0 tcpqe 32 170 0 170 22 22 0 1 0 8 0 tcpcb 808 7157 0 7147 185 183 2 15 0 8 0 arp 120 68 0 50 1 0 1 1 0 8 0 inpcb 368 20556 0 20539 248 246 2 20 0 8 0 nd6 136 108 0 82 1 0 1 1 0 8 0 pkpcb 40 53 0 53 4 4 0 1 0 8 0 kcovpl 48 33 0 25 1 0 1 1 0 8 0 ppxss 1256 40 0 40 12 12 0 1 0 8 0 pffrag 232 159 0 158 7 6 1 1 0 482 0 pffrnode 88 124 0 123 7 6 1 1 0 8 0 pffrent 40 610 0 609 7 6 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 24 307 0 289 1 0 1 1 0 8 0 pfstkey 128 307 0 289 1 0 1 1 0 8 0 pfstate 376 307 0 289 9 7 2 3 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 1620 0 1149 33 3 30 31 0 8 0 art_table 32 1621 0 1149 4 0 4 4 0 8 0 art_node 16 394 0 292 1 0 1 1 0 8 0 sysvmsgpl 40 23 0 18 1 0 1 1 0 8 0 semupl 112 118 0 118 3 3 0 1 0 8 0 semapl 112 120 0 112 1 0 1 1 0 8 0 shmpl 112 135 0 7 4 0 4 4 0 8 0 dirhash 1024 6408 0 6365 15 9 6 6 0 8 0 dino2pl 256 24631 0 23088 97 0 97 97 0 8 0 ffsino 272 24631 0 23088 104 0 104 104 0 8 0 nchpl 144 53261 0 52743 63 40 23 63 0 8 0 uvmvnodes 80 8412 0 0 172 0 172 172 0 8 0 vnodes 216 8412 0 0 468 0 468 468 0 8 0 namei 1024 161279 0 161278 7 6 1 2 0 8 0 percpumem 16 169 0 126 1 0 1 1 0 8 0 kstatmem 264 276 0 252 2 0 2 2 0 8 0 scxspl 216 150929 0 150929 36 35 1 8 1 8 1 plimitpl 152 1448 0 1432 1 0 1 1 0 8 0 sigapl 424 18535 0 18485 9 3 6 8 0 8 0 futexpl 64 174426 0 174422 7 6 1 1 0 8 0 knotepl 120 810 0 0 11 1 10 10 0 8 0 kqueuepl 216 2214 0 2206 49 48 1 8 0 8 0 pipepl 320 3123 0 3095 100 97 3 10 0 8 0 fdescpl 496 18496 0 18467 5 1 4 5 0 8 0 filepl 152 103699 0 103443 192 182 10 23 0 8 0 lockfpl 104 2537 0 2535 3 2 1 2 0 8 0 lockfspl 48 859 0 857 1 0 1 1 0 8 0 sessionpl 144 53 0 36 1 0 1 1 0 8 0 pgrppl 48 811 0 794 1 0 1 1 0 8 0 ucredpl 104 12738 0 12723 1 0 1 1 0 8 0 zombiepl 144 18487 0 18485 2 1 1 1 0 8 0 processpl 1072 18535 0 18485 5 0 5 5 0 8 0 procpl 696 52036 0 51964 29 20 9 11 0 8 0 sosppl 168 151 0 150 26 25 1 1 0 8 0 sockpl 488 30364 0 30329 555 549 6 33 0 8 1 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 25 0 0 4 1 3 3 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 34 0 0 4 1 3 3 0 8 0 mcl4k 4096 56 0 0 4 1 3 3 0 8 0 mcl2k2 2112 15 0 0 1 0 1 1 0 8 0 mcl2k 2048 396 0 0 38 19 19 38 0 8 0 mtagpl 96 557 0 0 14 6 8 14 0 8 0 mbufpl 256 2306 0 0 131 0 131 131 0 8 0 bufpl 288 32509 0 25651 491 0 491 491 0 8 0 anonpl 24 1798905 0 1785700 279 177 102 136 0 186 0 amapchunkpl 152 574298 0 573435 151 110 41 52 0 158 0 amappl16 200 35338 0 34943 189 166 23 50 0 8 0 amappl15 192 13 0 13 2 2 0 1 0 8 0 amappl14 184 271 0 252 5 3 2 2 0 8 0 amappl13 176 24 0 24 4 4 0 1 0 8 0 amappl12 168 19528 0 19498 3 1 2 2 0 8 0 amappl11 160 84 0 70 1 0 1 1 0 8 0 amappl10 152 54 0 44 1 0 1 1 0 8 0 amappl9 144 419 0 419 19 18 1 1 0 8 1 amappl8 136 872 0 694 7 0 7 7 0 8 0 amappl7 128 140 0 123 2 1 1 2 0 8 0 amappl6 120 560 0 534 2 1 1 2 0 8 0 amappl5 112 554 0 543 1 0 1 1 0 8 0 amappl4 104 1022 0 957 3 1 2 3 0 8 0 amappl3 96 112323 0 112240 4 1 3 3 0 8 0 amappl2 88 19294 0 19218 3 1 2 3 0 8 0 amappl1 80 75357 0 74804 23 10 13 23 0 8 0 amappl 88 180786 0 180544 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 18496 0 18467 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 18496 0 18467 1 0 1 1 0 8 0 vmmpekpl 168 136628 0 136563 4 0 4 4 0 8 0 vmmpepl 168 1094605 0 1092122 372 246 126 162 0 357 0 vmsppl 464 18495 0 18467 5 1 4 5 0 8 0 rwobjpl 56 270000 0 259832 174 30 144 144 0 8 0 pdppl 4096 37000 0 36934 623 555 68 78 0 8 2 pvpl 32 5167010 0 5147571 749 565 184 367 0 265 0 pmappl 248 18495 0 18467 3 1 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2003 0 1038 29 0 29 29 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82b6dff0) 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(ffffffff82c94e70) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c94e70) at __mp_lock+0x122 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x52 sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x78cdea92c330, count: 9 ddb{0}> trace x86_ipi_db(ffffffff82b6dff0) 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(ffffffff82c94e70) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c94e70) at __mp_lock+0x122 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x52 sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x78cdea92c330, count: -6 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(ffffffff8286ceae) at panic+0x17b sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd80769ba778,ffffffff8284e982,2,fffffd80769ba844,ffff800027b24df8,0) at ufsdirhash_lookup+0x8b8 sys/ufs/ufs/ufs_dirhash.c:343 ufs_lookup() at ufs_lookup+0xc15 sys/ufs/ufs/ufs_lookup.c:216 VOP_LOOKUP(fffffd8066058d08,ffff800027b24f98,ffff800027b24f38) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 unveil_find_cover(fffffd8066058d08,ffff8000211d85a8) at unveil_find_cover+0x130 sys/kern/kern_unveil.c:277 unveil_start_relative(ffff8000211d85a8,ffff800027b251b8,fffffd8066058d08) at unveil_start_relative+0xf6 sys/kern/kern_unveil.c:606 namei(ffff800027b251b8) at namei+0x453 sys/kern/vfs_lookup.c:237 dorenameat(ffff8000211d85a8,4,200004c0,ffffffff,0) at dorenameat+0x7f sys/kern/vfs_syscalls.c:2950 syscall(ffff800027b253b0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800027b253b0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x248e20b9bd0, count: 4 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8286ceae) at panic+0x17b sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd80769ba778,ffffffff8284e982,2,fffffd80769ba844,ffff800027b24df8,0) at ufsdirhash_lookup+0x8b8 sys/ufs/ufs/ufs_dirhash.c:343 ufs_lookup() at ufs_lookup+0xc15 sys/ufs/ufs/ufs_lookup.c:216 VOP_LOOKUP(fffffd8066058d08,ffff800027b24f98,ffff800027b24f38) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 unveil_find_cover(fffffd8066058d08,ffff8000211d85a8) at unveil_find_cover+0x130 sys/kern/kern_unveil.c:277 unveil_start_relative(ffff8000211d85a8,ffff800027b251b8,fffffd8066058d08) at unveil_start_relative+0xf6 sys/kern/kern_unveil.c:606 namei(ffff800027b251b8) at namei+0x453 sys/kern/vfs_lookup.c:237 dorenameat(ffff8000211d85a8,4,200004c0,ffffffff,0) at dorenameat+0x7f sys/kern/vfs_syscalls.c:2950 syscall(ffff800027b253b0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800027b253b0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x248e20b9bd0, count: -11