panic: pvaonp_icg:e kneerrnice_lb a d doiagpn osStopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 22579 58985 0 0 0x4000000 1 syz-executor.0 *301649 45534 0 0x2 0 0 syz-executor.4 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8273b8f3) at panic+0x177 sys/kern/subr_prf.c:198 vop_generic_badop(ffff8000246ec118) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd8064dca6f8,fffffd8079719d98) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628 bwrite(fffffd8079719d98) at bwrite+0x1f0 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd8079719d98) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640 ufs_mkdir(ffff8000246ec3b0) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236 VOP_MKDIR(fffffd8064dca620,ffff8000246ec510,ffff8000246ec540,ffff8000246ec440) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 domkdirat(ffff800021230b30,ffffff9c,7f7fffe20bc0,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 syscall(ffff8000246ec6c0) at syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff8000246ec6c0) at syscall+0x438 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffe20c30, 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/multicore/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(ffffffff8273b8f3) at panic+0x177 sys/kern/subr_prf.c:198 vop_generic_badop(ffff8000246ec118) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd8064dca6f8,fffffd8079719d98) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628 bwrite(fffffd8079719d98) at bwrite+0x1f0 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd8079719d98) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640 ufs_mkdir(ffff8000246ec3b0) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236 VOP_MKDIR(fffffd8064dca620,ffff8000246ec510,ffff8000246ec540,ffff8000246ec440) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 domkdirat(ffff800021230b30,ffffff9c,7f7fffe20bc0,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 syscall(ffff8000246ec6c0) at syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff8000246ec6c0) at syscall+0x438 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffe20c30, count: -11 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000246ec040 rbx 0xffffffff82b3cb8f cpu_info_full_primary+0x2b8f rdx 0 rcx 0 rax 0xffff800021230b30 r8 0x101010101010101 r9 0x8080808080808080 r10 0x32183906b086ae1 r11 0xc67d7860a9a7d668 r12 0xffffffff82b3c990 cpu_info_full_primary+0x2990 r13 0 r14 0 r15 0x1 rip 0xffffffff81e85238 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000246ec030 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.4) pid=301649 stat=onproc flags process=2 proc=0 pri=17, usrpri=68, nice=20 forw=0xffffffffffffffff, list=0xffff8000212d4b08,0xffff8000212858a8 process=0xffff8000261469f8 user=0xffff8000246e7000, vmspace=0xfffffd8069deb180 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 27769 162942 83154 0 2 0 syz-executor.3 58985 433140 30981 0 2 0 syz-executor.0 58985 22579 30981 0 7 0x4000000 syz-executor.0 80162 469527 94458 0 2 0 syz-executor.5 80162 206930 94458 0 3 0x4000080 ttyin syz-executor.5 31070 149334 3906 0 2 0 syz-executor.2 31070 297521 3906 0 2 0x4000000 syz-executor.2 40071 480803 45840 0 2 0 syz-executor.7 40071 151219 45840 0 3 0x4000080 fsleep syz-executor.7 30981 89160 31048 0 3 0x82 nanoslp syz-executor.0 75223 56064 1 0 3 0x100083 ttyin getty 94458 319038 31048 0 2 0x482 syz-executor.5 *45534 301649 31048 0 7 0x2 syz-executor.4 60077 424836 31048 0 2 0x2 syz-executor.1 82135 130567 0 0 3 0x14280 nfsidl nfsio 60499 112201 0 0 3 0x14280 nfsidl nfsio 43249 389380 0 0 3 0x14280 nfsidl nfsio 47866 174760 0 0 3 0x14280 nfsidl nfsio 8485 8591 0 0 3 0x14280 nfsidl nfsio 49457 200668 0 0 3 0x14280 nfsidl nfsio 94960 316222 0 0 3 0x14280 nfsidl nfsio 67110 178194 0 0 3 0x14280 nfsidl nfsio 7208 520738 0 0 3 0x14280 nfsidl nfsio 94917 307359 0 0 3 0x14280 nfsidl nfsio 89715 30578 0 0 3 0x14280 nfsidl nfsio 38233 126160 0 0 3 0x14280 nfsidl nfsio 395 474913 0 0 3 0x14280 nfsidl nfsio 44288 327793 0 0 3 0x14280 nfsidl nfsio 70460 343302 0 0 3 0x14280 nfsidl nfsio 17583 217787 0 0 3 0x14280 nfsidl nfsio 18036 324844 0 0 3 0x14280 nfsidl nfsio 76289 168523 0 0 3 0x14280 nfsidl nfsio 53695 374869 0 0 3 0x14280 nfsidl nfsio 11130 337934 0 0 3 0x14280 nfsidl nfsio 93588 307285 0 0 3 0x14200 bored sosplice 45840 415954 31048 0 3 0x82 nanoslp syz-executor.7 83154 346446 31048 0 2 0x2 syz-executor.3 3906 218542 31048 0 3 0x82 nanoslp syz-executor.2 31048 258542 86642 0 3 0x82 wait syz-fuzzer 31048 356053 86642 0 3 0x4000082 thrsleep syz-fuzzer 31048 349426 86642 0 3 0x4000082 thrsleep syz-fuzzer 31048 380632 86642 0 3 0x4000082 wait syz-fuzzer 31048 252700 86642 0 3 0x4000082 wait syz-fuzzer 31048 77877 86642 0 3 0x4000082 thrsleep syz-fuzzer 31048 515932 86642 0 3 0x4000082 wait syz-fuzzer 31048 313232 86642 0 3 0x4000082 thrsleep syz-fuzzer 31048 178940 86642 0 3 0x4000082 thrsleep syz-fuzzer 31048 478255 86642 0 3 0x4000082 wait syz-fuzzer 31048 78279 86642 0 3 0x4000082 thrsleep syz-fuzzer 31048 419289 86642 0 3 0x4000082 thrsleep syz-fuzzer 31048 234748 86642 0 3 0x4000082 thrsleep syz-fuzzer 31048 269878 86642 0 3 0x4000082 wait syz-fuzzer 31048 211424 86642 0 3 0x4000082 wait syz-fuzzer 31048 8928 86642 0 3 0x4000082 kqread syz-fuzzer 86642 92345 21930 0 3 0x10008a sigsusp ksh 21930 152256 69456 0 3 0x9a kqread sshd 69456 138191 1 0 3 0x88 kqread sshd 55598 135674 20150 74 3 0x1100092 bpf pflogd 20150 33362 1 0 3 0x80 netio pflogd 42500 79640 95986 73 3 0x1100090 kqread syslogd 95986 224523 1 0 3 0x100082 netio syslogd 32147 213441 1 0 3 0x100080 kqread resolvd 73217 252341 63357 77 3 0x100092 kqread dhcpleased 24096 438973 63357 77 3 0x100092 kqread dhcpleased 63357 32577 1 0 3 0x80 kqread dhcpleased 27130 271377 0 0 3 0x14200 bored smr 66043 465580 0 0 2 0x14200 zerothread 88351 421499 0 0 3 0x14200 aiodoned aiodoned 70445 3918 0 0 3 0x14200 syncer update 73770 83140 0 0 3 0x14200 cleaner cleaner 88445 476915 0 0 3 0x14200 reaper reaper 56279 481415 0 0 3 0x14200 pgdaemon pagedaemon 93400 199789 0 0 3 0x14200 bored viomb 54010 479395 0 0 3 0x40014200 acpi0 acpi0 77563 262553 0 0 3 0x40014200 idle1 94469 439143 0 0 3 0x14200 bored softnet 95996 310818 0 0 3 0x14200 bored softnet 88497 102287 0 0 3 0x14200 bored softnet 99940 306879 0 0 3 0x14200 bored softnet 58626 362065 0 0 3 0x14200 bored systqmp 2847 110737 0 0 3 0x14200 bored systq 22672 148582 0 0 3 0x40014200 bored softclock 69550 515036 0 0 3 0x40014200 idle0 1 95500 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 45534 (syz-executor.4) thread 0xffff800021230b30 (301649) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82d88558) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x3bb sys/kern/sched_bsd.c:415 #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+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline] #11 syscall+0x438 sys/arch/amd64/amd64/trap.c:599 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8067351e70) #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+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline] #12 syscall+0x438 sys/arch/amd64/amd64/trap.c:599 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80735335f0) #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+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x438 sys/arch/amd64/amd64/trap.c:599 #9 Xsyscall+0x128 Process 60077 (syz-executor.1) thread 0xffff8000212d4b08 (424836) exclusive rrwlock inode r = 0 (0xfffffd80673ac6f8) #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+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10212 6501K 7068K 78643K 15280 0 pcb 13 8K 8K 78643K 401 0 rtable 177 6K 8K 78643K 811 0 ifaddr 69 23K 27K 78643K 302 0 sysctl 2 0K 0K 78643K 2 0 counters 56 35K 36K 78643K 192 0 ioctlops 0 0K 4K 78643K 1657 0 iov 0 0K 16K 78643K 273 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1276 80K 81K 78643K 3271 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 31 0 VM map 2 1K 1K 78643K 2 0 sem 20 5K 5K 78643K 160 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 14 49K 89K 78643K 5775 0 sigio 0 0K 0K 78643K 62 0 proc 72 91K 175K 78643K 950 0 subproc 91 5K 6K 78643K 195 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 565 0 in_multi 70 4K 7K 78643K 402 0 ether_multi 1 0K 0K 78643K 101 0 mrt 1 0K 0K 78643K 97 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 91 413K 413K 78643K 91 0 exec 0 0K 1K 78643K 739 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 285 73K 95K 78643K 35819 0 UVM aobj 82 7K 7K 78643K 82 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 188 0 NDP 11 0K 2K 78643K 100 0 temp 121 5774K 5902K 78643K 33582 0 kqueue 12 18K 30K 78643K 354 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 120 175 0 172 1 0 1 1 0 8 0 rtentry 112 247 0 171 4 0 4 4 0 8 0 unpcb 144 1198 0 1183 1 0 1 1 0 8 0 syncache 296 90 0 90 9 8 1 1 0 8 1 tcpqe 32 140 0 140 7 7 0 1 0 8 0 tcpcb 776 1160 0 1156 9 8 1 3 0 8 0 arp 120 34 0 19 1 0 1 1 0 8 0 inpcb 368 2744 0 2737 10 8 2 3 0 8 1 nd6 48 52 0 36 1 0 1 1 0 8 0 pkpcb 40 11 0 11 2 2 0 1 0 8 0 kcovpl 48 15 0 8 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1256 37 0 37 8 8 0 1 0 8 0 pppxif 1456 7 0 7 3 3 0 1 0 8 0 pfstscr 40 16 0 16 3 3 0 1 0 8 0 pffrag 232 9 0 8 4 3 1 1 0 482 0 pffrnode 88 9 0 8 4 3 1 1 0 8 0 pffrent 40 27 0 26 6 5 1 1 0 8 0 pfosfp 40 1429 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1429 0 714 21 0 21 21 0 8 0 pfanchor 1280 512 58 0 43 0 43 43 0 8 0 pfstitem 24 121 0 93 1 0 1 1 0 8 0 pfstkey 128 143 0 115 1 0 1 1 0 8 0 pfstate 384 131 0 103 5 2 3 3 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 rttmr 136 16 0 16 3 3 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1381 0 1070 31 11 20 29 0 8 0 art_table 32 1382 0 1070 4 0 4 4 0 8 0 art_node 16 246 0 180 1 0 1 1 0 8 0 sysvmsgpl 40 20 0 20 1 1 0 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 152 0 134 1 0 1 1 0 8 0 shmpl 112 79 0 0 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 8622 0 7191 92 0 92 92 0 8 0 ffsino 272 8622 0 7191 98 0 98 98 0 8 0 nchpl 144 15444 0 13813 63 0 63 63 0 8 0 rtmask 32 5 0 5 2 2 0 1 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 40290 0 40289 6 5 1 2 0 8 0 percpumem 16 109 0 68 1 0 1 1 0 8 0 vmpool 696 5 0 5 2 1 1 1 0 8 1 kstatmem 264 126 0 104 2 0 2 2 0 8 0 scxspl 216 50395 0 50395 11 10 1 8 0 8 1 plimitpl 152 313 0 297 1 0 1 1 0 8 0 sigapl 424 6103 0 6038 10 2 8 8 0 8 0 futexpl 64 35954 0 35953 3 2 1 1 0 8 0 knotepl 120 358 0 0 10 0 10 10 0 8 0 kqueuepl 216 494 0 486 1 0 1 1 0 8 0 pipepl 320 401 0 376 4 1 3 4 0 8 0 fdescpl 496 6065 0 6038 5 1 4 5 0 8 0 filepl 152 18132 0 17910 13 3 10 12 0 8 0 lockfpl 104 629 0 627 1 0 1 1 0 8 0 lockfspl 48 236 0 234 1 0 1 1 0 8 0 sessionpl 144 33 0 17 1 0 1 1 0 8 0 pgrppl 48 70 0 54 1 0 1 1 0 8 0 ucredpl 104 2902 0 2889 1 0 1 1 0 8 0 zombiepl 144 6038 0 6038 2 1 1 1 0 8 1 processpl 1072 6103 0 6038 5 0 5 5 0 8 0 procpl 696 12619 0 12535 12 3 9 9 0 8 0 srpgc 96 12 0 12 1 1 0 1 0 8 0 sosppl 168 97 0 97 7 6 1 1 0 8 1 sockpl 488 4129 0 4104 13 9 4 6 0 8 0 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 14 0 0 2 0 2 2 0 8 0 mcl12k 12288 12 0 0 2 0 2 2 0 8 0 mcl9k 9216 9 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 10 0 0 1 0 1 1 0 8 0 mcl2k 2048 379 0 0 31 1 30 31 0 8 0 mtagpl 96 374 0 0 10 0 10 10 0 8 0 mbufpl 256 2177 0 0 130 0 130 130 0 8 0 bufpl 288 13369 0 7047 452 0 452 452 0 8 0 anonpl 24 1220855 0 1212041 142 62 80 108 0 186 0 amapchunkpl 152 101990 0 101450 83 58 25 45 0 158 1 amappl16 200 18037 0 17841 68 51 17 27 0 8 0 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 178 0 165 2 0 2 2 0 8 0 amappl13 176 11 0 11 2 2 0 1 0 8 0 amappl12 168 528 0 526 1 0 1 1 0 8 0 amappl11 160 53 0 39 1 0 1 1 0 8 0 amappl10 152 50 0 39 1 0 1 1 0 8 0 amappl9 144 945 0 945 1 1 0 1 0 8 0 amappl8 136 265 0 193 3 0 3 3 0 8 0 amappl7 128 165 0 138 2 0 2 2 0 8 0 amappl6 120 182 0 168 1 0 1 1 0 8 0 amappl5 112 160 0 150 1 0 1 1 0 8 0 amappl4 104 613 0 575 2 0 2 2 0 8 0 amappl3 96 15722 0 15672 2 0 2 2 0 8 0 amappl2 88 6551 0 6471 3 1 2 3 0 8 0 amappl1 80 131862 0 131125 24 6 18 23 0 8 0 amappl 88 35118 0 34963 6 1 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 81 0 0 2 0 2 2 0 8 0 uaddrrnd 24 6070 0 6043 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 6070 0 6043 1 0 1 1 0 8 0 vmmpekpl 168 36039 0 35969 4 0 4 4 0 8 0 vmmpepl 168 536752 0 534410 188 72 116 128 0 357 2 vmsppl 368 6069 0 6043 4 1 3 4 0 8 0 rwobjpl 56 143779 0 136430 113 6 107 108 0 8 0 pdppl 4096 12147 0 12086 249 182 67 81 0 8 6 pvpl 32 2939248 0 2924709 399 242 157 268 0 265 0 pmappl 248 6069 0 6043 3 1 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1129 0 219 27 0 27 27 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(ffffffff8273b8f3) at panic+0x177 sys/kern/subr_prf.c:198 vop_generic_badop(ffff8000246ec118) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd8064dca6f8,fffffd8079719d98) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628 bwrite(fffffd8079719d98) at bwrite+0x1f0 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd8079719d98) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640 ufs_mkdir(ffff8000246ec3b0) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236 VOP_MKDIR(fffffd8064dca620,ffff8000246ec510,ffff8000246ec540,ffff8000246ec440) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 domkdirat(ffff800021230b30,ffffff9c,7f7fffe20bc0,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 syscall(ffff8000246ec6c0) at syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff8000246ec6c0) at syscall+0x438 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffe20c30, count: -11 ddb{0}> machine ddbcpu 1