panic: v op _g en e r i c _ b a do p pStopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 397607 95791 32767 0x10 0x4000000 1 syz-executor.2 *125162 45528 32767 0x10 0 0 syz-executor.3 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8259e930) at panic+0x177 sys/kern/subr_prf.c:198 vop_generic_badop(ffff80002962d488) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd807bcf2138,fffffd807bd75030) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628 bwrite(fffffd807bd75030) at bwrite+0x1f0 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd807bd75030) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002962d720) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236 VOP_MKDIR(fffffd80685f0460,ffff80002962d880,ffff80002962d8b0,ffff80002962d7b0) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 domkdirat(ffff800022d7afc8,ffffff9c,7f7ffffe1160,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 syscall(ffff80002962da30) at syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002962da30) at syscall+0x438 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe11d0, 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 673 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8259e930) at panic+0x177 sys/kern/subr_prf.c:198 vop_generic_badop(ffff80002962d488) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd807bcf2138,fffffd807bd75030) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628 bwrite(fffffd807bd75030) at bwrite+0x1f0 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd807bd75030) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002962d720) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236 VOP_MKDIR(fffffd80685f0460,ffff80002962d880,ffff80002962d8b0,ffff80002962d7b0) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 domkdirat(ffff800022d7afc8,ffffff9c,7f7ffffe1160,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 syscall(ffff80002962da30) at syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002962da30) at syscall+0x438 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe11d0, count: -11 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002962d3b0 rbx 0xffffffff82932b8f cpu_info_full_primary+0x2b8f rdx 0 rcx 0 rax 0xffff800022d7afc8 r8 0x101010101010101 r9 0x8080808080808080 r10 0xaa69dc0d2e08b845 r11 0xb1e505abc0c5b779 r12 0xffffffff82932990 cpu_info_full_primary+0x2990 r13 0 r14 0 r15 0x1 rip 0xffffffff817085f8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002962d3a0 ss 0 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.3) pid=125162 stat=onproc flags process=10 proc=0 pri=17, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800022d7a7e8,0xffff80002131a7f0 process=0xffff8000261acca8 user=0xffff800029628000, vmspace=0xfffffd806ba7dd00 estcpu=36, cpticks=1, pctcpu=0.2 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 95791 247631 93782 32767 2 0x10 syz-executor.2 95791 397607 93782 32767 7 0x4000010 syz-executor.2 3231 441713 38843 32767 2 0x10 syz-executor.1 3231 15829 38843 32767 2 0x4000010 syz-executor.1 88660 172651 79452 32767 2 0x490 syz-executor.7 88660 319841 79452 32767 3 0x4000090 netcon syz-executor.7 88660 226473 79452 32767 3 0x4000090 fsleep syz-executor.7 32714 180141 84246 0 3 0x82 wait syz-executor.5 14081 29062 0 0 3 0x14200 bored sosplice 79452 495706 37112 32767 3 0x90 nanoslp syz-executor.7 2528 305109 42171 32767 2 0x10 syz-executor.4 37112 9525 84246 0 3 0x82 wait syz-executor.7 42171 387915 84246 0 3 0x82 wait syz-executor.4 *45528 125162 31696 32767 7 0x10 syz-executor.3 12853 208034 94030 32767 2 0x490 syz-executor.6 94030 49644 84246 0 3 0x82 wait syz-executor.6 31696 303088 84246 0 3 0x82 wait syz-executor.3 38843 360129 14930 32767 2 0x490 syz-executor.1 93782 205727 36237 32767 3 0x90 nanoslp syz-executor.2 36237 514338 84246 0 3 0x82 wait syz-executor.2 38653 484830 7036 32767 2 0x10 syz-executor.0 14930 300331 84246 0 3 0x82 wait syz-executor.1 7036 206435 84246 0 3 0x82 wait syz-executor.0 84246 344222 4341 0 3 0x82 wait syz-fuzzer 84246 71185 4341 0 3 0x4000082 nanoslp syz-fuzzer 84246 186557 4341 0 3 0x4000082 wait syz-fuzzer 84246 148954 4341 0 3 0x4000082 wait syz-fuzzer 84246 408657 4341 0 3 0x4000082 thrsleep syz-fuzzer 84246 208152 4341 0 3 0x4000082 thrsleep syz-fuzzer 84246 274375 4341 0 3 0x4000082 wait syz-fuzzer 84246 334622 4341 0 3 0x4000082 wait syz-fuzzer 84246 351691 4341 0 3 0x4000082 thrsleep syz-fuzzer 84246 329724 4341 0 3 0x4000082 wait syz-fuzzer 84246 380845 4341 0 3 0x4000082 thrsleep syz-fuzzer 84246 318533 4341 0 3 0x4000082 wait syz-fuzzer 84246 208984 4341 0 3 0x4000082 thrsleep syz-fuzzer 84246 244845 4341 0 3 0x4000082 wait syz-fuzzer 84246 453251 4341 0 3 0x4000082 kqread syz-fuzzer 4341 99442 99221 0 3 0x10008a sigsusp ksh 99221 23478 97810 0 3 0x9a kqread sshd 71671 67364 1 0 3 0x100083 ttyin getty 97810 469949 1 0 3 0x88 kqread sshd 47389 294108 21399 73 3 0x1100090 kqread syslogd 21399 472294 1 0 3 0x100082 netio syslogd 93340 454019 1 0 3 0x100080 kqread resolvd 91038 156349 40085 77 3 0x100092 kqread dhcpleased 93336 360712 40085 77 3 0x100092 kqread dhcpleased 40085 336531 1 0 3 0x80 kqread dhcpleased 71678 478639 0 0 3 0x14200 bored smr 59789 194271 0 0 2 0x14200 zerothread 76161 376134 0 0 3 0x14200 aiodoned aiodoned 68680 15503 0 0 3 0x14200 syncer update 37562 126710 0 0 3 0x14200 cleaner cleaner 23936 205032 0 0 3 0x14200 reaper reaper 30774 195272 0 0 3 0x14200 pgdaemon pagedaemon 74519 62774 0 0 3 0x14200 bored viomb 17319 234312 0 0 3 0x40014200 acpi0 acpi0 77883 46592 0 0 3 0x40014200 idle1 35682 161026 0 0 3 0x14200 bored softnet 92909 346646 0 0 3 0x14200 bored softnet 25440 107992 0 0 3 0x14200 bored softnet 42878 107725 0 0 3 0x14200 bored softnet 45436 438849 0 0 3 0x14200 bored systqmp 57093 253463 0 0 3 0x14200 bored systq 4713 233245 0 0 2 0x40014200 softclock 85147 373510 0 0 3 0x40014200 idle0 1 447220 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 2528 (syz-executor.4) thread 0xffff800022d42fd0 (305109) exclusive rrwlock inode r = 0 (0xfffffd8075b0f1b8) #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 Process 45528 (syz-executor.3) thread 0xffff800022d7afc8 (125162) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82ba77e8) #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 (0xfffffd8075b0f4e8) #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 (0xfffffd8069cb8b40) #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:412 #6 namei+0x36a sys/kern/vfs_lookup.c:244 #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 38653 (syz-executor.0) thread 0xffff80002131b260 (484830) exclusive rrwlock inode r = 0 (0xfffffd8075b0fd68) #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 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 #10 syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline] #10 syscall+0x438 sys/arch/amd64/amd64/trap.c:599 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806be775f8) #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:412 #6 namei+0x36a sys/kern/vfs_lookup.c:244 #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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10209 6411K 6420K 78643K 11303 0 pcb 13 12K 14K 78643K 17 0 rtable 240 6K 7K 78643K 769 0 ifaddr 71 16K 16K 78643K 79 0 sysctl 1 1K 1K 78643K 1 0 counters 60 35K 35K 78643K 62 0 ioctlops 0 0K 2K 78643K 40 0 iov 0 0K 20K 78643K 936 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1272 80K 80K 78643K 1566 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 53 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 1099 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 21 77K 113K 78643K 2767 0 sigio 0 0K 0K 78643K 26 0 proc 56 78K 103K 78643K 732 0 subproc 104 6K 6K 78643K 117 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 369 0 in_multi 99 6K 6K 78643K 151 0 ether_multi 1 0K 0K 78643K 7 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 163 731K 731K 78643K 163 0 exec 0 0K 1K 78643K 1282 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 323 87K 535K 78643K 21588 0 UVM aobj 131 4K 4K 78643K 133 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 97 0 NDP 13 0K 2K 78643K 30 0 temp 124 4698K 4762K 78643K 10449 0 kqueue 12 18K 26K 78643K 306 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 120 329 0 326 5 4 1 3 0 8 0 rtentry 112 127 0 14 4 0 4 4 0 8 0 unpcb 144 5054 0 5041 23 17 6 10 0 8 5 syncache 296 54 0 54 4 3 1 1 0 8 1 tcpqe 32 87 0 87 7 6 1 1 0 8 1 tcpcb 776 1233 0 1220 26 17 9 11 0 8 6 arp 120 21 0 2 1 0 1 1 0 8 0 ipq 40 5 0 5 1 1 0 1 0 8 0 ipqe 40 21 0 21 1 1 0 1 0 8 0 inpcb 368 2513 0 2494 30 20 10 11 0 8 7 nd6 48 31 0 5 1 0 1 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 523 0 66 30 1 29 30 0 8 0 art_table 32 524 0 66 4 0 4 4 0 8 0 art_node 16 126 0 23 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semapl 112 1095 0 1085 1 0 1 1 0 8 0 shmpl 112 130 0 2 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 5011 0 3575 91 0 91 91 0 8 0 ffsino 272 5011 0 3575 97 0 97 97 0 8 0 nchpl 144 8973 0 7339 63 0 63 63 0 8 0 uvmvnodes 80 5137 0 0 105 0 105 105 0 8 0 vnodes 216 5137 0 0 286 0 286 286 0 8 0 namei 1024 32258 0 32256 2 1 1 2 0 8 0 percpumem 16 43 0 1 1 0 1 1 0 8 0 kstatmem 264 24 0 2 2 0 2 2 0 8 0 scxspl 216 26094 0 26094 15 12 3 8 0 8 3 plimitpl 152 756 0 733 6 5 1 2 0 8 0 sigapl 424 3055 0 3004 7 0 7 7 0 8 0 futexpl 64 26393 0 26392 1 0 1 1 0 8 0 knotepl 120 391 0 0 10 0 10 10 0 8 0 kqueuepl 216 2841 0 2831 25 20 5 14 0 8 4 pipepl 320 834 0 806 24 15 9 9 0 8 6 fdescpl 496 3037 0 3005 7 2 5 6 0 8 0 filepl 152 25340 0 25102 52 35 17 22 0 8 7 lockfpl 104 422 0 420 1 0 1 1 0 8 0 lockfspl 48 121 0 119 1 0 1 1 0 8 0 sessionpl 144 24 0 8 1 0 1 1 0 8 0 pgrppl 48 449 0 433 1 0 1 1 0 8 0 ucredpl 104 2478 0 2460 1 0 1 1 0 8 0 zombiepl 144 3006 0 3004 1 0 1 1 0 8 0 processpl 1072 3055 0 3004 4 0 4 4 0 8 0 procpl 672 8647 0 8578 10 2 8 9 0 8 1 sosppl 168 54 0 53 3 2 1 1 0 8 0 sockpl 488 8036 0 8004 225 211 14 34 0 8 8 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 16 0 0 2 0 2 2 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 25 0 0 4 0 4 4 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 306 0 0 38 1 37 38 0 8 0 mtagpl 96 12 0 0 1 0 1 1 0 8 0 mbufpl 256 6866 0 0 429 0 429 429 0 8 0 bufpl 288 8365 0 2037 453 0 453 453 0 8 0 anonpl 24 671037 0 659054 161 55 106 113 0 186 13 amapchunkpl 152 234669 0 233982 2257 1815 442 2227 0 158 412 amappl16 200 8887 0 8519 85 57 28 33 0 8 8 amappl15 192 19 0 18 1 0 1 1 0 8 0 amappl14 184 144 0 130 1 0 1 1 0 8 0 amappl13 176 11 0 9 1 0 1 1 0 8 0 amappl12 168 422 0 414 1 0 1 1 0 8 0 amappl11 160 51 0 41 1 0 1 1 0 8 0 amappl10 152 31 0 19 1 0 1 1 0 8 0 amappl9 144 982 0 981 2 1 1 1 0 8 0 amappl8 136 251 0 177 3 0 3 3 0 8 0 amappl7 128 170 0 147 2 0 2 2 0 8 0 amappl6 120 189 0 177 1 0 1 1 0 8 0 amappl5 112 158 0 152 1 0 1 1 0 8 0 amappl4 104 520 0 494 2 1 1 2 0 8 0 amappl3 96 8991 0 8941 2 0 2 2 0 8 0 amappl2 88 3546 0 3466 3 1 2 3 0 8 0 amappl1 80 72016 0 71290 23 5 18 22 0 8 1 amappl 88 20925 0 20734 6 0 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 72 132 0 2 3 0 3 3 0 8 0 uaddrrnd 24 3037 0 3005 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3037 0 3005 1 0 1 1 0 8 0 vmmpekpl 168 31148 0 31088 4 0 4 4 0 8 0 vmmpepl 168 288365 0 285720 184 40 144 145 0 357 14 vmsppl 368 3036 0 3005 4 0 4 4 0 8 0 rwobjpl 56 85614 0 78884 100 1 99 99 0 8 0 pdppl 4096 6081 0 6010 133 54 79 91 0 8 8 pvpl 32 1279653 0 1262124 283 89 194 254 0 265 25 pmappl 248 3036 0 3005 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1327 0 79 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(ffffffff8259e930) at panic+0x177 sys/kern/subr_prf.c:198 vop_generic_badop(ffff80002962d488) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd807bcf2138,fffffd807bd75030) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628 bwrite(fffffd807bd75030) at bwrite+0x1f0 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd807bd75030) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002962d720) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236 VOP_MKDIR(fffffd80685f0460,ffff80002962d880,ffff80002962d8b0,ffff80002962d7b0) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 domkdirat(ffff800022d7afc8,ffffff9c,7f7ffffe1160,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 syscall(ffff80002962da30) at syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002962da30) at syscall+0x438 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe11d0, count: -11 ddb{0}> machine ddbcpu 1