panic: v o p_ g e n er i c_b a d o p pStopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 204225 94566 32767 0x10 0 1 syz-executor.7 *232396 76836 32767 0x10 0x4000000 0 syz-executor.1 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8278b50b) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff800027d57698) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd8065dcf120,fffffd806668bd88) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd806668bd88) at bwrite+0x1f1 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd806668bd88) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff800027d57930) at ufs_mkdir+0x6c4 sys/ufs/ufs/ufs_vnops.c:1235 VOP_MKDIR(fffffd80796ced98,ffff800027d57a90,ffff800027d57ac0,ffff800027d579c0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff800027f6f088,ffffff9c,200005c0,0) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 syscall(ffff800027d57c40) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800027d57c40) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe77267aac0, 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 676 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8278b50b) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff800027d57698) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd8065dcf120,fffffd806668bd88) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd806668bd88) at bwrite+0x1f1 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd806668bd88) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff800027d57930) at ufs_mkdir+0x6c4 sys/ufs/ufs/ufs_vnops.c:1235 VOP_MKDIR(fffffd80796ced98,ffff800027d57a90,ffff800027d57ac0,ffff800027d579c0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff800027f6f088,ffffff9c,200005c0,0) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 syscall(ffff800027d57c40) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800027d57c40) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe77267aac0, count: -11 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800027d575c0 rbx 0xffffffff82b7cb8f cpu_info_full_primary+0x2b8f rdx 0 rcx 0 rax 0xffff800027f6f088 r8 0x101010101010101 r9 0x8080808080808080 r10 0x771aa2e5ccf9bdda r11 0x5047821c4174bd83 r12 0xffffffff82b7c990 cpu_info_full_primary+0x2990 r13 0 r14 0 r15 0x1 rip 0xffffffff81e676ec db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff800027d575b0 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.1) pid=232396 stat=onproc flags process=10 proc=4000000 pri=17, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff800027f6edd0,0xffff800027f6fb78 process=0xffff8000ffff4018 user=0xffff800027d52000, vmspace=0xfffffd806bf56cc8 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 94566 204225 32901 32767 7 0x10 syz-executor.7 64613 428398 43754 32767 3 0x90 nanoslp syz-executor.4 64613 304391 43754 32767 3 0x4000090 fsleep syz-executor.4 64613 506284 43754 32767 3 0x4000090 fsleep syz-executor.4 47801 84046 28131 32767 2 0x10 syz-executor.3 47801 489875 28131 32767 2 0x4000010 syz-executor.3 76836 272064 49475 32767 2 0x10 syz-executor.1 *76836 232396 49475 32767 7 0x4000010 syz-executor.1 10417 304143 76239 32767 2 0x10 syz-executor.6 76239 96540 4805 0 3 0x82 wait syz-executor.6 38566 196487 46483 32767 2 0x10 syz-executor.0 46483 369692 4805 0 3 0x82 wait syz-executor.0 32901 467679 6381 32767 3 0x90 nanoslp syz-executor.7 6381 69533 4805 0 3 0x82 wait syz-executor.7 8452 318283 93877 32767 3 0x90 nanoslp syz-executor.2 93877 326656 4805 0 3 0x82 wait syz-executor.2 28131 492027 48221 32767 3 0x90 nanoslp syz-executor.3 48221 320043 4805 0 3 0x82 wait syz-executor.3 49475 394919 39480 32767 3 0x90 nanoslp syz-executor.1 39480 417435 4805 0 3 0x82 wait syz-executor.1 43754 446216 12791 32767 3 0x90 nanoslp syz-executor.4 12791 259069 4805 0 3 0x82 wait syz-executor.4 77182 24855 96617 32767 2 0x10 syz-executor.5 96617 229735 4805 0 3 0x82 wait syz-executor.5 74745 311644 0 0 3 0x14200 bored sosplice 4805 436500 10450 0 3 0x82 thrsleep syz-fuzzer 4805 156157 10450 0 3 0x4000082 nanoslp syz-fuzzer 4805 438640 10450 0 3 0x4000082 thrsleep syz-fuzzer 4805 458297 10450 0 3 0x4000082 thrsleep syz-fuzzer 4805 124259 10450 0 3 0x4000082 kqread syz-fuzzer 4805 67407 10450 0 3 0x4000082 wait syz-fuzzer 4805 265896 10450 0 3 0x4000082 wait syz-fuzzer 4805 55527 10450 0 3 0x4000082 thrsleep syz-fuzzer 4805 479814 10450 0 3 0x4000082 thrsleep syz-fuzzer 4805 1524 10450 0 3 0x4000082 wait syz-fuzzer 4805 130086 10450 0 3 0x4000082 thrsleep syz-fuzzer 4805 511124 10450 0 3 0x4000082 wait syz-fuzzer 4805 197289 10450 0 3 0x4000082 wait syz-fuzzer 4805 246369 10450 0 3 0x4000082 wait syz-fuzzer 4805 271151 10450 0 3 0x4000082 wait syz-fuzzer 4805 381826 10450 0 3 0x4000082 wait syz-fuzzer 10450 233204 17896 0 3 0x10008a sigsusp ksh 17896 81490 63792 0 3 0x9a kqread sshd 97802 241205 1 0 3 0x100083 ttyin getty 63792 24301 1 0 3 0x88 kqread sshd 58164 84227 32285 73 3 0x1100090 kqread syslogd 32285 122332 1 0 3 0x100082 netio syslogd 22694 324776 1 0 3 0x100080 kqread resolvd 33226 226853 41705 77 3 0x100092 kqread dhcpleased 56118 464136 41705 77 3 0x100092 kqread dhcpleased 41705 233742 1 0 3 0x80 kqread dhcpleased 11891 316881 0 0 3 0x14200 bored smr 31051 476699 0 0 2 0x14200 zerothread 92544 371982 0 0 3 0x14200 aiodoned aiodoned 2719 107287 0 0 3 0x14200 syncer update 34745 492773 0 0 3 0x14200 cleaner cleaner 106 260714 0 0 3 0x14200 reaper reaper 79693 155836 0 0 3 0x14200 pgdaemon pagedaemon 13629 503079 0 0 3 0x14200 bored viomb 48015 47506 0 0 3 0x40014200 acpi0 acpi0 83882 322757 0 0 3 0x40014200 idle1 44765 127239 0 0 3 0x14200 bored softnet3 33442 433882 0 0 3 0x14200 bored softnet2 89259 97578 0 0 3 0x14200 bored softnet1 23474 482516 0 0 3 0x14200 bored softnet0 12210 377426 0 0 3 0x14200 bored systqmp 75542 39448 0 0 3 0x14200 bored systq 74978 400685 0 0 2 0x40014200 softclock 83182 440083 0 0 3 0x40014200 idle0 1 502379 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 76836 (syz-executor.1) thread 0xffff800027f6f088 (232396) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82cd67a0) #0 witness_lock+0x447 #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x3bb sys/kern/sched_bsd.c:405 #3 sleep_finish+0x184 sys/kern/kern_synch.c:411 #4 biowait+0x91 sys/kern/vfs_bio.c:1278 #5 bwrite+0x21c sys/kern/vfs_bio.c:769 #6 ffs_update+0x281 sys/ufs/ffs/ffs_inode.c:113 #7 ufs_mkdir+0x672 sys/ufs/ufs/ufs_vnops.c:1219 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 #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 rrwlock inode r = 0 (0xfffffd806e5a22c8) #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 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394 #9 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149 #10 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #11 domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 #12 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #12 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806743db40) #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_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3058 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 Process 38566 (syz-executor.0) thread 0xffff8000211d9358 (196487) exclusive rrwlock inode r = 0 (0xfffffd8077e5d5f0) #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 ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1343 #6 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 #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 rrwlock inode r = 0 (0xfffffd8077e5df80) #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_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3058 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 Process 77182 (syz-executor.5) thread 0xffff800027f6f8b0 (24855) exclusive rrwlock inode r = 0 (0xfffffd806d73c928) #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 vn_closefile+0xca vn_close sys/kern/vfs_vnops.c:292 [inline] #5 vn_closefile+0xca sys/kern/vfs_vnops.c:609 #6 fdrop+0xcb sys/kern/kern_descrip.c:1274 #7 closef+0x120 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:623 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10207 6411K 6419K 78643K 11491 0 pcb 13 12K 14K 78643K 17 0 rtable 248 7K 7K 78643K 2784 0 pf 29 8K 8K 78643K 165 0 ifaddr 44 16K 16K 78643K 324 0 ifgroup 50 2K 2K 78643K 322 0 sysctl 3 1K 2K 78643K 13 0 counters 60 35K 35K 78643K 196 0 ioctlops 0 0K 4K 78643K 424 0 iov 0 0K 24K 78643K 2878 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1279 80K 80K 78643K 6009 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 470 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 2774 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 22 81K 113K 78643K 35935 0 sigio 0 0K 0K 78643K 514 0 proc 56 78K 103K 78643K 3813 0 subproc 104 6K 6K 78643K 988 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 1122 0 in_multi 99 7K 7K 78643K 1044 0 ether_multi 1 0K 0K 78643K 9 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 235 1049K 1049K 78643K 235 0 exec 0 0K 1K 78643K 5523 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 461 88K 99K 78643K 348992 0 UVM aobj 131 4K 4K 78643K 137 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 930 0 NDP 11 0K 2K 78643K 231 0 temp 74 5864K 5992K 78643K 92204 0 kqueue 12 18K 28K 78643K 2870 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 120 916 0 913 10 9 1 3 0 8 0 rtentry 112 915 0 798 4 0 4 4 0 8 0 unpcb 144 19537 0 19524 196 192 4 10 0 8 3 syncache 296 171 0 171 47 46 1 1 0 8 1 tcpqe 32 168 0 168 28 28 0 1 0 8 0 tcpcb 808 10445 0 10441 352 350 2 21 0 8 1 arp 120 154 0 136 1 0 1 1 0 8 0 ipq 40 64 0 64 23 22 1 1 0 8 1 ipqe 40 304 0 304 23 22 1 1 0 8 1 inpcb 368 17841 0 17834 385 383 2 16 0 8 1 nd6 136 284 0 253 4 2 2 2 0 8 0 kcovpl 48 76 0 68 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 3643 0 3171 35 5 30 31 0 8 0 art_table 32 3644 0 3171 5 1 4 5 0 8 0 art_node 16 914 0 807 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 0 1 0 1 1 0 8 0 semapl 112 2772 0 2762 1 0 1 1 0 8 0 shmpl 112 134 0 6 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 52552 0 51054 94 0 94 94 0 8 0 ffsino 272 52552 0 51054 101 0 101 101 0 8 0 nchpl 144 106162 0 104516 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 342849 0 342847 7 6 1 2 0 8 0 percpumem 16 111 0 68 1 0 1 1 0 8 0 kstatmem 264 158 0 136 2 0 2 2 0 8 0 scxspl 216 304867 0 304867 69 67 2 8 0 8 2 plimitpl 152 4495 0 4471 44 43 1 2 0 8 0 sigapl 424 36081 0 36029 8 1 7 7 0 8 0 futexpl 64 264279 0 264277 5 4 1 1 0 8 0 knotepl 120 1627 0 0 15 6 9 11 0 8 0 kqueuepl 216 7203 0 7195 116 115 1 8 0 8 0 pipepl 320 10180 0 10152 261 253 8 13 0 8 5 fdescpl 496 36063 0 36030 7 2 5 6 0 8 0 filepl 152 212545 0 212308 378 363 15 19 0 8 5 lockfpl 104 3884 0 3882 6 5 1 4 0 8 0 lockfspl 48 1014 0 1012 1 0 1 1 0 8 0 sessionpl 144 91 0 75 1 0 1 1 0 8 0 pgrppl 48 498 0 482 1 0 1 1 0 8 0 ucredpl 104 25548 0 25530 1 0 1 1 0 8 0 zombiepl 144 36030 0 36029 1 0 1 1 0 8 0 processpl 1072 36081 0 36029 4 0 4 4 0 8 0 procpl 696 97574 0 97503 30 21 9 9 0 8 1 sosppl 168 392 0 392 61 60 1 1 0 8 1 sockpl 488 39512 0 39489 944 932 12 34 0 8 9 mcl64k 65536 49 0 0 3 0 3 3 0 8 0 mcl16k 16384 49 0 0 6 3 3 3 0 8 0 mcl12k 12288 41 0 0 2 0 2 2 0 8 0 mcl9k 9216 33 0 0 2 0 2 2 0 8 0 mcl8k 8192 58 0 0 4 1 3 3 0 8 0 mcl4k 4096 73 0 0 3 0 3 3 0 8 0 mcl2k2 2112 17 0 0 2 0 2 2 0 8 0 mcl2k 2048 689 0 0 36 21 15 36 0 8 0 mtagpl 96 28 0 0 1 0 1 1 0 8 0 mbufpl 256 2555 0 0 58 0 58 58 0 8 0 bufpl 288 55335 0 49020 452 0 452 452 0 8 0 anonpl 24 3407560 0 3397112 204 112 92 96 0 186 0 amapchunkpl 152 1096482 0 1095707 264 227 37 47 0 158 2 amappl16 200 72143 0 71883 412 395 17 28 0 8 0 amappl15 192 30 0 28 1 0 1 1 0 8 0 amappl14 184 363 0 347 2 1 1 2 0 8 0 amappl13 176 41 0 40 1 0 1 1 0 8 0 amappl12 168 37764 0 37724 5 3 2 3 0 8 0 amappl11 160 47 0 37 1 0 1 1 0 8 0 amappl10 152 128 0 114 2 1 1 1 0 8 0 amappl9 144 500 0 500 68 68 0 2 0 8 0 amappl8 136 2069 0 1805 11 1 10 10 0 8 0 amappl7 128 236 0 215 1 0 1 1 0 8 0 amappl6 120 1072 0 1048 2 1 1 2 0 8 0 amappl5 112 1215 0 1209 1 0 1 1 0 8 0 amappl4 104 2333 0 2283 3 1 2 3 0 8 0 amappl3 96 215775 0 215693 5 2 3 4 0 8 0 amappl2 88 37570 0 37493 4 2 2 3 0 8 0 amappl1 80 137408 0 136892 22 10 12 22 0 8 0 amappl 88 346802 0 346571 10 3 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 72 136 0 6 3 0 3 3 0 8 0 uaddrrnd 24 36063 0 36030 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 36063 0 36030 1 0 1 1 0 8 0 vmmpekpl 168 284673 0 284613 5 1 4 4 0 8 0 vmmpepl 168 2078641 0 2076201 335 205 130 132 0 357 0 vmsppl 464 36062 0 36030 7 2 5 6 0 8 0 rwobjpl 56 501606 0 494082 118 7 111 111 0 8 0 pdppl 4096 72134 0 72060 1218 1136 82 90 0 8 8 pvpl 32 10216506 0 10199389 823 659 164 352 0 265 0 pmappl 248 36062 0 36030 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2761 0 1907 27 1 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(ffffffff8278b50b) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff800027d57698) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd8065dcf120,fffffd806668bd88) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd806668bd88) at bwrite+0x1f1 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd806668bd88) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff800027d57930) at ufs_mkdir+0x6c4 sys/ufs/ufs/ufs_vnops.c:1235 VOP_MKDIR(fffffd80796ced98,ffff800027d57a90,ffff800027d57ac0,ffff800027d579c0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff800027f6f088,ffffff9c,200005c0,0) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 syscall(ffff800027d57c40) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800027d57c40) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe77267aac0, count: -11 ddb{0}> machine ddbcpu 1