panic: vop_pgaenniecr:i c _ b ado p Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 192963 75523 0 0 0x4000000 1 syz-executor.1 *131414 47495 0 0 0x4000000 0 syz-executor.6 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827871fb) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff80002e41b5e8) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806e39cbd8,fffffd806afaf020) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd806afaf020) at bwrite+0x1f4 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd806afaf020) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002e41b880) at ufs_mkdir+0x6c4 sys/ufs/ufs/ufs_vnops.c:1235 VOP_MKDIR(fffffd8069ad9cb8,ffff80002e41b9e0,ffff80002e41ba10,ffff80002e41b910) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff8000212a42e8,ffffff9c,20000080,0) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 syscall(ffff80002e41bb90) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e41bb90) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa4e84a58090, 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 675 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827871fb) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff80002e41b5e8) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806e39cbd8,fffffd806afaf020) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd806afaf020) at bwrite+0x1f4 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd806afaf020) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002e41b880) at ufs_mkdir+0x6c4 sys/ufs/ufs/ufs_vnops.c:1235 VOP_MKDIR(fffffd8069ad9cb8,ffff80002e41b9e0,ffff80002e41ba10,ffff80002e41b910) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff8000212a42e8,ffffff9c,20000080,0) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 syscall(ffff80002e41bb90) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e41bb90) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa4e84a58090, count: -11 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e41b510 rbx 0xffffffff82bc9b8f cpu_info_full_primary+0x2b8f rdx 0xffff800000d34600 rcx 0 rax 0xffff8000212a42e8 r8 0x101010101010101 r9 0x8080808080808080 r10 0x1063243f23e76c92 r11 0x7c21aab01483edf1 r12 0xffffffff82bc9990 cpu_info_full_primary+0x2990 r13 0 r14 0 r15 0x1 rip 0xffffffff81c1303c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002e41b500 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.6) pid=131414 stat=onproc flags process=0 proc=4000000 pri=17, usrpri=69, nice=20 forw=0xffffffffffffffff, list=0xffff8000212a5080,0xffff8000212a5348 process=0xffff800021290018 user=0xffff80002e416000, vmspace=0xfffffd8069c761e8 estcpu=19, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 37342 174039 51870 0 2 0 syz-executor.2 37342 84952 51870 0 2 0x4000000 syz-executor.2 75523 401732 10588 0 2 0 syz-executor.1 75523 192963 10588 0 7 0x4000000 syz-executor.1 54030 254767 32865 0 2 0 syz-executor.7 54030 187466 32865 0 2 0x4000000 syz-executor.7 8437 74785 26597 0 2 0 syz-executor.4 8437 492877 26597 0 2 0x4000000 syz-executor.4 46614 184176 3198 0 2 0 syz-executor.0 46614 343142 3198 0 2 0x4000000 syz-executor.0 79035 115348 57593 0 2 0 syz-executor.5 79035 63810 57593 0 3 0x4000000 inode syz-executor.5 79035 38512 57593 0 2 0x4000000 syz-executor.5 47495 24469 10979 0 2 0 syz-executor.6 *47495 131414 10979 0 7 0x4000000 syz-executor.6 10979 467324 39125 0 2 0x2 syz-executor.6 13263 206464 39125 0 2 0x2 syz-executor.3 32865 265448 39125 0 3 0x82 nanoslp syz-executor.7 57593 502312 39125 0 2 0x2 syz-executor.5 26597 11476 39125 0 2 0x2 syz-executor.4 51870 315734 39125 0 3 0x82 nanoslp syz-executor.2 10588 170338 39125 0 3 0x82 nanoslp syz-executor.1 3198 499652 39125 0 2 0x2 syz-executor.0 39125 438844 46636 0 3 0x82 wait syz-fuzzer 39125 87390 46636 0 3 0x4000082 thrsleep syz-fuzzer 39125 472062 46636 0 3 0x4000082 thrsleep syz-fuzzer 39125 371127 46636 0 3 0x4000082 wait syz-fuzzer 39125 298473 46636 0 3 0x4000082 thrsleep syz-fuzzer 39125 46239 46636 0 3 0x4000082 wait syz-fuzzer 39125 518498 46636 0 3 0x4000082 wait syz-fuzzer 39125 15186 46636 0 3 0x4000082 wait syz-fuzzer 39125 157946 46636 0 3 0x4000082 thrsleep syz-fuzzer 39125 400507 46636 0 3 0x4000082 wait syz-fuzzer 39125 364720 46636 0 3 0x4000082 thrsleep syz-fuzzer 39125 279945 46636 0 3 0x4000082 wait syz-fuzzer 39125 77875 46636 0 3 0x4000082 kqread syz-fuzzer 39125 187423 46636 0 3 0x4000082 wait syz-fuzzer 39125 509312 46636 0 3 0x4000082 thrsleep syz-fuzzer 39125 409178 46636 0 3 0x4000082 thrsleep syz-fuzzer 39125 503721 46636 0 3 0x4000082 thrsleep syz-fuzzer 46636 419002 54019 0 3 0x10008a sigsusp ksh 54019 90871 65312 0 3 0x9a kqread sshd 72392 73800 1 0 3 0x100083 ttyin getty 65312 179363 1 0 3 0x88 kqread sshd 47552 495760 20326 74 3 0x1100092 bpf pflogd 20326 375671 1 0 3 0x80 netio pflogd 95775 277631 65975 73 3 0x1100090 kqread syslogd 65975 307590 1 0 3 0x100082 netio syslogd 34822 70470 1 0 3 0x100080 kqread resolvd 4166 53217 33571 77 3 0x100092 kqread dhcpleased 13289 34643 33571 77 3 0x100092 kqread dhcpleased 33571 224296 1 0 3 0x80 kqread dhcpleased 70814 248082 0 0 3 0x14200 bored smr 95661 220842 0 0 2 0x14200 zerothread 87274 333584 0 0 3 0x14200 aiodoned aiodoned 66766 422896 0 0 3 0x14200 syncer update 40368 154429 0 0 3 0x14200 cleaner cleaner 38664 178407 0 0 3 0x14200 reaper reaper 77826 128151 0 0 3 0x14200 pgdaemon pagedaemon 81838 245170 0 0 3 0x14200 bored viomb 47294 98432 0 0 3 0x40014200 acpi0 acpi0 97142 165846 0 0 3 0x40014200 idle1 95664 345412 0 0 3 0x14200 bored softnet3 26096 162435 0 0 3 0x14200 bored softnet2 13221 169442 0 0 3 0x14200 bored softnet1 29063 155697 0 0 3 0x14200 bored softnet0 5470 360 0 0 3 0x14200 bored systqmp 23409 153191 0 0 3 0x14200 bored systq 34150 204271 0 0 3 0x40014200 bored softclock 75129 315046 0 0 3 0x40014200 idle0 1 123298 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 79035 (syz-executor.5) thread 0xffff800021237b58 (38512) exclusive rrwlock inode r = 0 (0xfffffd80777d5b38) #0 witness_lock+0x44d #1 rw_enter+0x3e5 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8f sys/kern/kern_rwlock.c:465 #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:1353 #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:3074 #10 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #10 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80777d5f78) #0 witness_lock+0x44d #1 rw_enter+0x3e5 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8f sys/kern/kern_rwlock.c:465 #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:3059 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 #9 Xsyscall+0x128 Process 47495 (syz-executor.6) thread 0xffff8000212a42e8 (131414) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82cff120) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x3c3 sys/kern/sched_bsd.c:405 #3 sleep_finish+0x184 sys/kern/kern_synch.c:417 #4 tsleep+0x12b sys/kern/kern_synch.c:155 #5 biowait+0x91 sys/kern/vfs_bio.c:1278 #6 bwrite+0x21f sys/kern/vfs_bio.c:769 #7 ffs_update+0x281 sys/ufs/ffs/ffs_inode.c:113 #8 ufs_mkdir+0x672 sys/ufs/ufs/ufs_vnops.c:1219 #9 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #10 domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 #11 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #11 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80777d55e8) #0 witness_lock+0x44d #1 rw_enter+0x3e5 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8f sys/kern/kern_rwlock.c:465 #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:1324 #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:3074 #12 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #12 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80777d56f8) #0 witness_lock+0x44d #1 rw_enter+0x3e5 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8f sys/kern/kern_rwlock.c:465 #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:3059 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10192 6491K 6550K 78643K 24945 0 pcb 13 12K 14K 78643K 701 0 rtable 246 7K 7K 78643K 360 0 ifaddr 77 25K 25K 78643K 82 0 counters 60 35K 35K 78643K 60 0 ioctlops 0 0K 4K 78643K 5184 0 iov 0 0K 12K 78643K 650 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1532 96K 96K 78643K 19490 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 13K 78643K 1048 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 1626 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 17 61K 89K 78643K 60072 0 sigio 0 0K 0K 78643K 86 0 proc 68 91K 163K 78643K 14371 0 subproc 104 6K 6K 78643K 104 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 99 6K 6K 78643K 99 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 103 466K 466K 78643K 103 0 exec 0 0K 1K 78643K 378 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 313 83K 92K 78643K 539011 0 UVM aobj 131 4K 4K 78643K 157 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 12 0K 2K 78643K 28 0 temp 129 5866K 5994K 78643K 155172 0 kqueue 12 18K 20K 78643K 1415 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 33 0 30 1 0 1 1 0 8 0 rtentry 112 117 0 1 4 0 4 4 0 8 0 unpcb 144 22258 0 22243 119 118 1 6 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 85 0 85 1 1 0 1 0 8 0 tcpcb 776 400 0 396 13 12 1 7 0 8 0 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 368 6281 0 6274 64 59 5 7 0 8 4 nd6 136 30 0 0 2 0 2 2 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 pffrag 232 42 0 42 3 3 0 2 0 482 0 pffrnode 88 35 0 35 2 2 0 1 0 8 0 pffrent 40 1920 0 1920 2 2 0 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 24 109 0 107 1 0 1 1 0 8 0 pfstkey 128 109 0 107 1 0 1 1 0 8 0 pfstate 384 109 0 107 5 4 1 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 256 463 0 0 29 0 29 29 0 8 0 art_table 32 464 0 0 4 0 4 4 0 8 0 art_node 16 116 0 10 1 0 1 1 0 8 0 semapl 112 1624 0 1614 1 0 1 1 0 8 0 shmpl 112 154 0 26 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 77404 0 75920 94 0 94 94 0 8 0 ffsino 272 77404 0 75920 100 0 100 100 0 8 0 nchpl 144 165153 0 163462 65 1 64 64 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 504558 0 504555 7 6 1 2 0 8 0 percpumem 16 43 0 0 1 0 1 1 0 8 0 kstatmem 264 24 0 0 2 0 2 2 0 8 0 scxspl 216 426907 0 426907 9 8 1 8 0 8 1 plimitpl 152 25 0 9 1 0 1 1 0 8 0 sigapl 424 60384 0 60337 8 2 6 7 0 8 0 futexpl 64 361772 0 361772 1 0 1 1 0 8 1 knotepl 120 114 0 0 4 0 4 4 0 8 0 kqueuepl 216 2674 0 2666 25 24 1 5 0 8 0 pipepl 320 138 0 110 3 0 3 3 0 8 0 fdescpl 496 60367 0 60337 5 1 4 5 0 8 0 filepl 152 225700 0 225461 283 269 14 19 0 8 4 lockfpl 104 9938 0 9936 8 7 1 2 0 8 0 lockfspl 48 2827 0 2825 1 0 1 1 0 8 0 sessionpl 144 24 0 7 1 0 1 1 0 8 0 pgrppl 48 24 0 7 1 0 1 1 0 8 0 ucredpl 104 10853 0 10841 1 0 1 1 0 8 0 zombiepl 144 60337 0 60337 1 0 1 1 0 8 1 processpl 1072 60384 0 60337 4 0 4 4 0 8 0 procpl 696 141623 0 141552 46 38 8 8 0 8 1 sockpl 488 28572 0 28547 446 436 10 21 0 8 6 mcl64k 65536 51 0 0 7 4 3 3 0 8 0 mcl16k 16384 32 0 0 4 2 2 3 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 40 0 0 2 0 2 2 0 8 0 mcl8k 8192 49 0 0 5 2 3 3 0 8 0 mcl4k 4096 50 0 0 6 3 3 3 0 8 0 mcl2k2 2112 22 0 0 2 0 2 2 0 8 0 mcl2k 2048 416 0 0 33 20 13 33 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 1796 0 0 18 7 11 18 0 8 0 bufpl 288 71998 0 65684 452 0 452 452 0 8 0 anonpl 24 4251694 0 4243170 119 62 57 88 0 186 0 amapchunkpl 152 1688653 0 1687879 187 153 34 39 0 158 2 amappl16 200 62410 0 62217 30 19 11 22 0 8 0 amappl15 192 20 0 19 1 0 1 1 0 8 0 amappl14 184 166 0 149 2 1 1 2 0 8 0 amappl13 176 13 0 13 1 1 0 1 0 8 0 amappl12 168 61022 0 60989 3 1 2 2 0 8 0 amappl11 160 87 0 72 1 0 1 1 0 8 0 amappl10 152 36 0 25 1 0 1 1 0 8 0 amappl9 144 273 0 272 3 2 1 2 0 8 0 amappl8 136 818 0 740 3 0 3 3 0 8 0 amappl7 128 130 0 112 1 0 1 1 0 8 0 amappl6 120 364 0 347 2 1 1 2 0 8 0 amappl5 112 593 0 582 1 0 1 1 0 8 0 amappl4 104 1807 0 1767 3 1 2 3 0 8 0 amappl3 96 337970 0 337885 4 1 3 3 0 8 0 amappl2 88 63888 0 63818 3 1 2 3 0 8 0 amappl1 80 209508 0 208953 23 10 13 23 0 8 0 amappl 88 536817 0 536610 10 4 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 72 156 0 26 3 0 3 3 0 8 0 uaddrrnd 24 60367 0 60337 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 60367 0 60337 1 0 1 1 0 8 0 vmmpekpl 168 327499 0 327450 3 0 3 3 0 8 0 vmmpepl 168 3259442 0 3257261 242 144 98 119 0 357 3 vmsppl 464 60366 0 60337 5 1 4 5 0 8 0 rwobjpl 56 677483 0 670143 113 8 105 107 0 8 0 pdppl 4096 120742 0 120674 1586 1518 68 82 0 8 0 pvpl 32 14369702 0 14355297 484 364 120 367 0 265 0 pmappl 248 60366 0 60337 3 1 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2412 0 1623 23 0 23 23 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(ffffffff827871fb) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff80002e41b5e8) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806e39cbd8,fffffd806afaf020) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd806afaf020) at bwrite+0x1f4 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd806afaf020) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002e41b880) at ufs_mkdir+0x6c4 sys/ufs/ufs/ufs_vnops.c:1235 VOP_MKDIR(fffffd8069ad9cb8,ffff80002e41b9e0,ffff80002e41ba10,ffff80002e41b910) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff8000212a42e8,ffffff9c,20000080,0) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 syscall(ffff80002e41bb90) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e41bb90) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa4e84a58090, count: -11 ddb{0}> machine ddbcpu 1