panic: vopp_gaenneirci:c _ kbeardnoepl dStopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 149585 7544 32767 0x10 0 1 syz-executor.4 *521551 89789 32767 0x10 0 0 syz-executor.0 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82740948) at panic+0x177 sys/kern/subr_prf.c:198 vop_generic_badop(ffff800021286e18) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806488d7f0,fffffd8069064b70) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628 bwrite(fffffd8069064b70) at bwrite+0x1f0 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd8069064b70) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640 ufs_mkdir(ffff8000212870b0) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236 VOP_MKDIR(fffffd8068bd10e8,ffff800021287210,ffff800021287240,ffff800021287140) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 domkdirat(ffff8000212b8dc0,ffffff9c,7f7ffffcf2a0,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 syscall(ffff8000212873c0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000212873c0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffcf310, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: vop_generic_badop cpu1: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_fork.c", line 674 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82740948) at panic+0x177 sys/kern/subr_prf.c:198 vop_generic_badop(ffff800021286e18) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806488d7f0,fffffd8069064b70) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628 bwrite(fffffd8069064b70) at bwrite+0x1f0 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd8069064b70) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640 ufs_mkdir(ffff8000212870b0) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236 VOP_MKDIR(fffffd8068bd10e8,ffff800021287210,ffff800021287240,ffff800021287140) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 domkdirat(ffff8000212b8dc0,ffffff9c,7f7ffffcf2a0,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 syscall(ffff8000212873c0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000212873c0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffcf310, count: -11 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800021286d40 rbx 0xffffffff82bc2b8f cpu_info_full_primary+0x2b8f rdx 0 rcx 0 rax 0xffff8000212b8dc0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xbcc858e18b9069ce r11 0x8771f626e8284b46 r12 0xffffffff82bc2990 cpu_info_full_primary+0x2990 r13 0 r14 0 r15 0x1 rip 0xffffffff818c3858 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021286d30 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.0) pid=521551 stat=onproc flags process=10 proc=0 pri=17, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff8000212b8028,0xffff8000212b8b18 process=0xffff8000ffff8008 user=0xffff800021282000, vmspace=0xfffffd807effb528 estcpu=36, cpticks=1, pctcpu=0.3 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 7544 149585 14202 32767 7 0x10 syz-executor.4 67072 490978 43115 32767 2 0x10 syz-executor.1 67072 198117 43115 32767 2 0x4000010 syz-executor.1 56038 493572 53091 32767 2 0x10 syz-executor.5 56038 509074 53091 32767 3 0x4000090 netcon syz-executor.5 56038 160606 53091 32767 3 0x4000090 fsleep syz-executor.5 56038 355997 53091 32767 2 0x4000010 syz-executor.5 56038 393088 53091 32767 2 0x4000010 syz-executor.5 95138 133147 6784 32767 3 0x90 nanoslp syz-executor.6 95138 226229 6784 32767 3 0x4000090 fsleep syz-executor.6 95138 53547 6784 32767 3 0x4000090 netcon syz-executor.6 83950 425816 61944 32767 2 0x10 syz-executor.7 61944 515639 37053 0 3 0x82 wait syz-executor.7 61389 96625 56196 32767 2 0x10 syz-executor.3 56196 377143 37053 0 3 0x82 wait syz-executor.3 10387 283921 0 0 3 0x14200 bored sosplice 6784 256881 95914 32767 3 0x90 nanoslp syz-executor.6 95914 174636 37053 0 3 0x82 wait syz-executor.6 14202 315544 23369 32767 2 0x10 syz-executor.4 53091 139495 45121 32767 3 0x90 nanoslp syz-executor.5 45121 266174 37053 0 3 0x82 wait syz-executor.5 23369 257692 37053 0 3 0x82 wait syz-executor.4 43115 363670 60176 32767 3 0x90 nanoslp syz-executor.1 91033 365595 6962 32767 3 0x90 nanoslp syz-executor.2 60176 196352 37053 0 3 0x82 wait syz-executor.1 6962 236910 37053 0 3 0x82 wait syz-executor.2 *89789 521551 6527 32767 7 0x10 syz-executor.0 6527 309834 37053 0 3 0x82 wait syz-executor.0 37053 322150 17156 0 3 0x82 thrsleep syz-fuzzer 37053 240469 17156 0 3 0x4000082 nanoslp syz-fuzzer 37053 197873 17156 0 3 0x4000082 thrsleep syz-fuzzer 37053 220119 17156 0 3 0x4000082 wait syz-fuzzer 37053 378188 17156 0 3 0x4000082 wait syz-fuzzer 37053 210319 17156 0 3 0x4000082 kqread syz-fuzzer 37053 23129 17156 0 3 0x4000082 wait syz-fuzzer 37053 486229 17156 0 3 0x4000082 wait syz-fuzzer 37053 373289 17156 0 3 0x4000082 wait syz-fuzzer 37053 489018 17156 0 3 0x4000082 thrsleep syz-fuzzer 37053 72461 17156 0 3 0x4000082 thrsleep syz-fuzzer 37053 338982 17156 0 3 0x4000082 wait syz-fuzzer 37053 79804 17156 0 3 0x4000082 thrsleep syz-fuzzer 37053 202196 17156 0 3 0x4000082 thrsleep syz-fuzzer 37053 380825 17156 0 3 0x4000082 wait syz-fuzzer 37053 339053 17156 0 3 0x4000082 wait syz-fuzzer 17156 73626 67287 0 3 0x10008a sigsusp ksh 67287 25696 15484 0 3 0x9a kqread sshd 32821 474135 1 0 3 0x100083 ttyin getty 15484 325755 1 0 3 0x88 kqread sshd 50657 133221 24632 73 3 0x1100090 kqread syslogd 24632 36893 1 0 3 0x100082 netio syslogd 30349 350870 1 0 3 0x100080 kqread resolvd 79857 293715 10454 77 3 0x100092 kqread dhcpleased 39377 227699 10454 77 3 0x100092 kqread dhcpleased 10454 487796 1 0 3 0x80 kqread dhcpleased 86051 367575 0 0 3 0x14200 bored smr 5557 452227 0 0 2 0x14200 zerothread 44031 431968 0 0 3 0x14200 aiodoned aiodoned 7129 369402 0 0 3 0x14200 syncer update 63028 508764 0 0 3 0x14200 cleaner cleaner 20493 457825 0 0 3 0x14200 reaper reaper 4167 295806 0 0 3 0x14200 pgdaemon pagedaemon 62174 376535 0 0 3 0x14200 bored viomb 86650 484745 0 0 3 0x40014200 acpi0 acpi0 28277 183469 0 0 3 0x40014200 idle1 91762 278250 0 0 3 0x14200 bored softnet 70736 179793 0 0 3 0x14200 bored softnet 55117 88555 0 0 3 0x14200 bored softnet 40045 479917 0 0 3 0x14200 bored softnet 92792 39699 0 0 3 0x14200 bored systqmp 45327 375156 0 0 3 0x14200 bored systq 39110 501020 0 0 3 0x40014200 bored softclock 4803 398182 0 0 3 0x40014200 idle0 1 214667 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 83950 (syz-executor.7) thread 0xffff8000212b6dd0 (425816) exclusive rrwlock inode r = 0 (0xfffffd806bbc32c0) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vn_closefile+0xc6 vn_close sys/kern/vfs_vnops.c:292 [inline] #5 vn_closefile+0xc6 sys/kern/vfs_vnops.c:609 #6 fdrop+0xc7 sys/kern/kern_descrip.c:1274 #7 closef+0x11c sys/kern/kern_descrip.c:1258 #8 syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x606 sys/arch/amd64/amd64/trap.c:625 #9 Xsyscall+0x128 Process 61389 (syz-executor.3) thread 0xffff80002121d328 (96625) exclusive rrwlock inode r = 0 (0xfffffd8064f29d60) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vn_closefile+0xc6 vn_close sys/kern/vfs_vnops.c:292 [inline] #5 vn_closefile+0xc6 sys/kern/vfs_vnops.c:609 #6 fdrop+0xc7 sys/kern/kern_descrip.c:1274 #7 closef+0x11c sys/kern/kern_descrip.c:1258 #8 syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x606 sys/arch/amd64/amd64/trap.c:625 #9 Xsyscall+0x128 Process 89789 (syz-executor.0) thread 0xffff8000212b8dc0 (521551) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82c2ca98) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x3bb sys/kern/sched_bsd.c:405 #3 sleep_finish+0x180 sys/kern/kern_synch.c:417 #4 tsleep+0x12c sys/kern/kern_synch.c:155 #5 biowait+0x91 sys/kern/vfs_bio.c:1268 #6 bwrite+0x21b sys/kern/vfs_bio.c:769 #7 ffs_update+0x27d sys/ufs/ffs/ffs_inode.c:113 #8 ufs_mkdir+0x662 sys/ufs/ufs/ufs_vnops.c:1220 #9 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 #10 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 #11 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #11 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8064f293d0) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vget+0x1fc 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:1324 #8 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #9 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150 #10 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 #11 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 #12 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #12 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c4a3c58) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10226 6413K 6421K 78643K 11336 0 pcb 13 10K 12K 78643K 15 0 rtable 242 6K 7K 78643K 1139 0 ifaddr 73 24K 24K 78643K 113 0 sysctl 2 0K 0K 78643K 2 0 counters 60 35K 35K 78643K 72 0 ioctlops 0 0K 2K 78643K 197 0 iov 0 0K 32K 78643K 1939 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1272 80K 80K 78643K 8093 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 111 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 2277 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 22 81K 125K 78643K 7824 0 sigio 0 0K 0K 78643K 107 0 proc 56 78K 115K 78643K 1194 0 subproc 104 6K 6K 78643K 182 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 805 0 in_multi 99 6K 7K 78643K 282 0 ether_multi 1 0K 0K 78643K 28 0 mrt 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 229 1023K 1023K 78643K 229 0 exec 0 0K 1K 78643K 1758 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 406 95K 110K 78643K 57213 0 UVM aobj 131 4K 4K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 212 0 NDP 11 0K 2K 78643K 45 0 temp 124 5778K 5843K 78643K 21515 0 kqueue 12 18K 28K 78643K 754 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 1100 0 1097 18 16 2 3 0 8 1 rtentry 112 186 0 72 4 0 4 4 0 8 0 unpcb 144 7154 0 7141 93 87 6 8 0 8 5 syncache 296 104 0 104 24 23 1 1 0 8 1 tcpqe 32 48 0 48 14 13 1 1 0 8 1 tcpcb 776 3484 0 3470 126 118 8 14 0 8 6 arp 120 34 0 15 1 0 1 1 0 8 0 ipq 40 8 0 6 6 5 1 1 0 8 0 ipqe 40 61 0 59 6 5 1 1 0 8 0 inpcb 368 6869 0 6850 135 127 8 13 0 8 6 nd6 48 47 0 20 1 0 1 1 0 8 0 kcovpl 48 14 0 6 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 747 0 274 30 0 30 30 0 8 0 art_table 32 748 0 274 4 0 4 4 0 8 0 art_node 16 185 0 81 1 0 1 1 0 8 0 sysvmsgpl 40 32 0 21 1 0 1 1 0 8 0 semapl 112 2273 0 2263 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 17429 0 15993 92 1 91 91 0 8 0 ffsino 272 17429 0 15993 98 1 97 97 0 8 0 nchpl 144 28188 0 26555 63 0 63 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 114897 0 114896 3 2 1 2 0 8 0 percpumem 16 49 0 6 1 0 1 1 0 8 0 kstatmem 264 34 0 12 2 0 2 2 0 8 0 scxspl 216 70086 0 70086 45 44 1 8 0 8 1 plimitpl 152 1856 0 1833 21 20 1 2 0 8 0 sigapl 424 8106 0 8054 7 0 7 7 0 8 0 futexpl 64 78082 0 78080 2 1 1 1 0 8 0 knotepl 120 771 0 0 11 1 10 11 0 8 0 kqueuepl 216 2291 0 2283 36 35 1 6 0 8 0 pipepl 320 2110 0 2080 54 51 3 13 0 8 0 fdescpl 496 8088 0 8055 7 2 5 6 0 8 0 filepl 152 83758 0 83508 176 161 15 22 0 8 5 lockfpl 104 1075 0 1073 2 1 1 2 0 8 0 lockfspl 48 330 0 328 1 0 1 1 0 8 0 sessionpl 144 29 0 13 1 0 1 1 0 8 0 pgrppl 48 315 0 299 1 0 1 1 0 8 0 ucredpl 104 34437 0 34419 1 0 1 1 0 8 0 zombiepl 144 8055 0 8054 1 0 1 1 0 8 0 processpl 1072 8106 0 8054 5 1 4 5 0 8 0 procpl 696 23266 0 23192 24 16 8 9 0 8 0 sosppl 168 191 0 191 22 21 1 1 0 8 1 sockpl 488 15397 0 15361 349 328 21 33 0 8 15 mcl64k 65536 34 0 0 3 0 3 3 0 8 0 mcl16k 16384 37 0 0 5 2 3 3 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 33 0 0 3 1 2 2 0 8 0 mcl8k 8192 18 0 0 3 0 3 3 0 8 0 mcl4k 4096 18 0 0 3 0 3 3 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 363 0 0 34 8 26 34 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 7338 0 0 429 0 429 429 0 8 0 bufpl 288 18112 0 11791 452 0 452 452 0 8 0 anonpl 24 1730571 0 1716509 250 144 106 134 0 186 0 amapchunkpl 152 172814 0 172056 145 108 37 48 0 158 4 amappl16 200 19564 0 19192 117 92 25 45 0 8 2 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 165 0 152 2 1 1 2 0 8 0 amappl13 176 9 0 9 3 3 0 1 0 8 0 amappl12 168 485 0 479 1 0 1 1 0 8 0 amappl11 160 59 0 48 1 0 1 1 0 8 0 amappl10 152 45 0 33 1 0 1 1 0 8 0 amappl9 144 1009 0 1008 1 0 1 1 0 8 0 amappl8 136 496 0 372 5 0 5 5 0 8 0 amappl7 128 209 0 184 2 0 2 2 0 8 0 amappl6 120 292 0 272 2 0 2 2 0 8 0 amappl5 112 278 0 271 1 0 1 1 0 8 0 amappl4 104 702 0 671 2 1 1 2 0 8 0 amappl3 96 24750 0 24694 2 0 2 2 0 8 0 amappl2 88 8953 0 8865 13 10 3 3 0 8 0 amappl1 80 187785 0 187048 26 8 18 26 0 8 0 amappl 88 56240 0 56015 7 1 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 8089 0 8056 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 8089 0 8056 1 0 1 1 0 8 0 vmmpekpl 168 72192 0 72134 4 1 3 4 0 8 0 vmmpepl 168 753460 0 750620 279 135 144 155 0 357 5 vmsppl 440 8088 0 8056 5 0 5 5 0 8 0 rwobjpl 56 210171 0 202556 120 8 112 115 0 8 0 pdppl 4096 16185 0 16112 431 350 81 95 0 8 8 pvpl 32 3282884 0 3262701 578 384 194 361 0 265 5 pmappl 248 8088 0 8056 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1725 0 493 36 0 36 36 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82740948) at panic+0x177 sys/kern/subr_prf.c:198 vop_generic_badop(ffff800021286e18) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806488d7f0,fffffd8069064b70) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628 bwrite(fffffd8069064b70) at bwrite+0x1f0 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd8069064b70) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640 ufs_mkdir(ffff8000212870b0) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236 VOP_MKDIR(fffffd8068bd10e8,ffff800021287210,ffff800021287240,ffff800021287140) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 domkdirat(ffff8000212b8dc0,ffffff9c,7f7ffffcf2a0,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 syscall(ffff8000212873c0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000212873c0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffcf310, count: -11 ddb{0}> machine ddbcpu 1