panic: vop_generic_bapdoapni c:Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 91198 92741 32767 0x10 0 1 syz-executor *253466 25776 32767 0x10 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8301e2c6) at panic+0x1e5 sys/kern/subr_prf.c:198 vop_generic_badop(ffff8000363b2168) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd807b22bb50,fffffd807b28faf0) at VOP_STRATEGY+0xcc sys/kern/vfs_vops.c:634 bwrite(fffffd807b28faf0) at bwrite+0x293 sys/kern/vfs_bio.c:757 VOP_BWRITE(fffffd807b28faf0) at VOP_BWRITE+0x60 sys/kern/vfs_vops.c:646 ufs_mkdir(ffff8000363b23e0) at ufs_mkdir+0x581 sys/ufs/ufs/ufs_vnops.c:1160 VOP_MKDIR(fffffd8071b37970,ffff8000363b2540,ffff8000363b2570,ffff8000363b2470) at VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 domkdirat(ffff8000371c0a48,ffffff9c,7a35aa6ea370,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 syscall(ffff8000363b26f0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000363b26f0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a35aa6ea400, 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 "((flags & PGO_LOCKED) != 0 && rw_lock_held(uobj->vmobjlock)) || (flags & PGO_LOCKED) == 0" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_vnode.c", line 955 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8301e2c6) at panic+0x1e5 sys/kern/subr_prf.c:198 vop_generic_badop(ffff8000363b2168) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd807b22bb50,fffffd807b28faf0) at VOP_STRATEGY+0xcc sys/kern/vfs_vops.c:634 bwrite(fffffd807b28faf0) at bwrite+0x293 sys/kern/vfs_bio.c:757 VOP_BWRITE(fffffd807b28faf0) at VOP_BWRITE+0x60 sys/kern/vfs_vops.c:646 ufs_mkdir(ffff8000363b23e0) at ufs_mkdir+0x581 sys/ufs/ufs/ufs_vnops.c:1160 VOP_MKDIR(fffffd8071b37970,ffff8000363b2540,ffff8000363b2570,ffff8000363b2470) at VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 domkdirat(ffff8000371c0a48,ffffff9c,7a35aa6ea370,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 syscall(ffff8000363b26f0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000363b26f0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a35aa6ea400, count: -11 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000363b2090 rbx 0xffffffff83460d87 cpu_info_full_primary+0x2d87 rdx 0 rcx 0xffff8000371c0a48 rax 0xffffffff8345fff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x5a0f56e06a9ecad9 r11 0xd7fd1fc516c2310 r12 0xffffffff83460b88 cpu_info_full_primary+0x2b88 r13 0 r14 0 r15 0x1 rip 0xffffffff81c9c6e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000363b2080 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=253466 pid=25776 tcnt=1 stat=onproc flags process=10 proc=0 runpri=17, usrpri=86, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000371c02b0,0xffff8000371c07d0 process=0xffff8000fffecdb8 user=0xffff8000363ad000, vmspace=0xfffffd806c055370 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 92741 91198 80596 32767 7 0x10 syz-executor 92741 164899 80596 32767 3 0x4000090 fsleep syz-executor 81630 381760 26706 0 2 0x100000 sh 26706 237344 33535 0 3 0x10008a sigsusp sh 86159 413396 19853 0 2 0x100002 arp 19853 223327 20815 0 3 0x10008a sigsusp sh 45229 443382 72031 0 2 0x100002 sh 34999 214453 31280 0 2 0x100002 sh 72031 204829 81581 0 3 0x80 wait syz-executor 33535 419142 64657 0 3 0x80 wait syz-executor 31280 10677 87419 0 3 0x80 wait syz-executor 7358 349035 39347 0 2 0x80 syz-executor 80596 471071 27443 32767 3 0x90 nanoslp syz-executor 20815 379614 74815 0 3 0x80 wait syz-executor 81581 449497 23662 0 3 0x82 wait syz-executor 39347 443182 23662 0 3 0x82 wait syz-executor 64657 280010 23662 0 3 0x82 wait syz-executor 87419 49771 23662 0 3 0x82 wait syz-executor 74815 107393 23662 0 3 0x82 wait syz-executor *25776 253466 22938 32767 7 0x10 syz-executor 27443 435896 23662 0 3 0x82 wait syz-executor 65187 32351 79040 32767 2 0x10 syz-executor 79040 193239 23662 0 3 0x82 wait syz-executor 22938 247126 23662 0 3 0x82 wait syz-executor 97827 257023 0 0 3 0x14200 bored sosplice 23662 146995 31500 0 3 0x82 kqread syz-executor 31500 72959 86119 0 3 0x10008a sigsusp ksh 86119 345795 79207 0 3 0x98 kqread sshd-session 79207 506183 74613 0 3 0x92 kqread sshd-session 24802 422002 1 0 3 0x100083 ttyin getty 74613 414412 1 0 3 0x88 kqread sshd 28520 217589 25153 73 2 0x1100010 syslogd 25153 265564 1 0 3 0x100082 sbwait syslogd 46104 137324 1 0 3 0x100080 kqread resolvd 52979 274117 78142 77 3 0x100092 kqread dhcpleased 29427 95961 78142 77 3 0x100092 kqread dhcpleased 78142 240636 1 0 3 0x80 kqread dhcpleased 89699 48708 0 0 3 0x14200 bored smr 44286 37527 0 0 2 0x14200 zerothread 20023 108724 0 0 3 0x14200 aiodoned aiodoned 88088 434236 0 0 3 0x14200 syncer update 59354 316665 0 0 3 0x14200 cleaner cleaner 24673 324115 0 0 3 0x14200 reaper reaper 91159 208093 0 0 3 0x14200 pgdaemon pagedaemon 39131 160407 0 0 3 0x14200 bored viomb 38844 2523 0 0 3 0x40014200 acpi0 acpi0 73537 230706 0 0 3 0x40014200 idle1 31350 81605 0 0 3 0x14200 bored softnet3 37643 251191 0 0 3 0x14200 bored softnet2 59175 47197 0 0 3 0x14200 bored softnet1 12667 516742 0 0 3 0x14200 bored softnet0 3998 92972 0 0 3 0x14200 bored systqmp 21795 215103 0 0 3 0x14200 bored systq 35947 5702 0 0 3 0x14200 tmoslp softclockmp 17888 187733 0 0 3 0x40014200 tmoslp softclock 6282 126131 0 0 3 0x40014200 idle0 1 513510 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 25776 (syz-executor) thread 0xffff8000371c0a48 (253466) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835eca00) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 __mp_acquire_count+0x58 #2 mi_switch+0x658 sys/kern/sched_bsd.c:460 #3 sleep_finish+0x219 sys/kern/kern_synch.c:416 #4 biowait+0xc1 sys/kern/vfs_bio.c:1254 #5 bwrite+0x2e2 sys/kern/vfs_bio.c:766 #6 ffs_update+0x34c sys/ufs/ffs/ffs_inode.c:111 #7 ufs_mkdir+0x55a sys/ufs/ufs/ufs_vnops.c:1160 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806bfd3f80) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vget+0x2bd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x171 sys/ufs/ufs/ufs_ihash.c:95 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #9 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #10 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #11 domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 #12 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #12 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806bfd33d0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3084 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 65187 (syz-executor) thread 0xffff8000371c0f58 (32351) exclusive rrwlock inode r = 0 (0xfffffd806bfd3c50) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vget+0x2bd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x171 sys/ufs/ufs/ufs_ihash.c:95 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806bfd32c0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vget+0x2bd sys/kern/vfs_subr.c:676 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x218 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #10 namei+0x7aa sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #12 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #12 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10184 10023K 10035K 166960K 11286 0 pcb 17 12K 12K 166960K 17 0 rtable 154 4K 6K 166960K 481 0 pf 31 16K 16K 166960K 47 0 ifaddr 31 4K 7K 166960K 67 0 ifgroup 50 2K 2K 166960K 82 0 counters 64 36K 36K 166960K 80 0 ioctlops 0 0K 2K 166960K 33 0 iov 0 0K 0K 166960K 1 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1415 89K 89K 166960K 1490 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 4 0K 0K 166960K 4 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 25 93K 145K 166960K 304 0 sigio 0 0K 0K 166960K 4 0 proc 56 78K 176K 166960K 659 0 subproc 104 6K 9K 166960K 208 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 16 0 in_multi 48 3K 7K 166960K 139 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 43 201K 201K 166960K 43 0 exec 0 0K 1K 166960K 421 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 207 72K 105K 166960K 3599 0 UVM aobj 7 4K 4K 166960K 7 0 pinsyscall 47 94K 122K 166960K 1447 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 6 0 NDP 15 0K 2K 166960K 41 0 temp 37 6814K 6878K 166960K 4684 0 kqueue 13 20K 24K 166960K 29 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 50 0 46 1 0 1 1 0 8 0 rtentry 112 160 0 90 4 0 4 4 0 8 2 unpcb 144 79 0 64 1 0 1 1 0 8 0 syncache 336 5 0 5 2 2 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 808 35 0 29 2 1 1 2 0 8 0 arp 120 31 0 16 1 0 1 1 0 8 0 inpcb 336 149 0 140 3 1 2 2 0 8 1 nd6 136 34 0 25 1 0 1 1 0 8 0 kcovpl 48 16 0 8 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 607 0 357 29 5 24 29 0 8 8 art_table 32 608 0 357 4 0 4 4 0 8 1 art_node 16 159 0 94 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0 semapl 112 2 0 0 1 0 1 1 0 8 0 shmpl 112 4 0 0 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 1647 0 135 95 0 95 95 0 8 0 ffsino 272 1647 0 135 102 0 102 102 0 8 1 nchpl 144 1905 0 231 63 0 63 63 0 8 0 uvmvnodes 80 1864 0 0 39 0 39 39 0 8 0 vnodes 216 1864 0 0 104 0 104 104 0 8 0 namei 1024 6203 0 6202 1 0 1 1 0 8 0 percpumem 16 54 0 8 1 0 1 1 0 8 0 kstatmem 264 38 0 16 2 0 2 2 0 8 0 scxspl 216 6156 0 6156 3 2 1 2 1 8 1 plimitpl 152 64 0 40 2 0 2 2 0 8 0 sigapl 424 559 0 502 9 1 8 8 0 8 0 futexpl 64 932 0 931 2 1 1 1 0 8 0 knotepl 120 303 0 0 9 0 9 9 0 8 0 kqueuepl 216 30 0 21 1 0 1 1 0 8 0 pipepl 320 126 0 99 4 0 4 4 0 8 0 fdescpl 496 540 0 503 9 2 7 7 0 8 0 filepl 152 1844 0 1607 12 0 12 12 0 8 1 lockfpl 104 21 0 19 1 0 1 1 0 8 0 lockfspl 48 10 0 8 1 0 1 1 0 8 0 sessionpl 144 29 0 13 1 0 1 1 0 8 0 pgrppl 48 46 0 22 1 0 1 1 0 8 0 ucredpl 104 138 0 124 1 0 1 1 0 8 0 zombiepl 144 503 0 502 1 0 1 1 0 8 0 processpl 1160 559 0 502 5 0 5 5 0 8 0 procpl 648 654 0 596 6 0 6 6 0 8 0 sosppl 168 3 0 3 2 1 1 1 0 8 1 sockpl 664 278 0 250 5 1 4 4 0 8 1 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 239 0 0 30 0 30 30 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 245 0 0 16 0 16 16 0 8 0 bufpl 280 5266 0 89 370 0 370 370 0 8 0 anonpl 24 145432 0 142367 78 4 74 78 0 185 47 amapchunkpl 152 11742 0 11341 45 5 40 44 0 158 22 amappl16 200 3314 0 3309 5 4 1 5 0 8 0 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 113 0 102 1 0 1 1 0 8 0 amappl13 176 9 0 9 1 1 0 1 0 8 0 amappl12 168 1229 0 1190 4 1 3 3 0 8 1 amappl11 160 50 0 40 1 0 1 1 0 8 0 amappl10 152 11 0 11 1 1 0 1 0 8 0 amappl9 144 139 0 139 1 1 0 1 0 8 0 amappl8 136 20 0 19 1 0 1 1 0 8 0 amappl7 128 116 0 105 1 0 1 1 0 8 0 amappl6 120 221 0 216 1 0 1 1 0 8 0 amappl5 112 153 0 145 1 0 1 1 0 8 0 amappl4 104 289 0 273 1 0 1 1 0 8 0 amappl3 96 2148 0 2071 4 0 4 4 0 8 1 amappl2 88 742 0 663 2 0 2 2 0 8 0 amappl1 80 8056 0 7481 15 1 14 15 0 8 1 amappl 88 3228 0 3077 5 0 5 5 0 92 1 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 6 0 0 1 0 1 1 0 8 0 uaddrrnd 24 540 0 503 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 540 0 503 1 0 1 1 0 8 0 vmmpekpl 168 6345 0 6299 3 0 3 3 0 8 0 vmmpepl 168 40454 0 38599 95 2 93 93 0 357 5 vmsppl 440 539 0 503 6 0 6 6 0 8 0 rwobjpl 56 17021 0 14285 41 0 41 41 0 8 1 pdppl 4096 1087 0 1006 145 42 103 107 0 8 22 pvpl 32 44416 0 0 359 0 359 359 0 265 0 pmappl 248 539 0 503 5 1 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 434 0 53 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8301e2c6) at panic+0x1e5 sys/kern/subr_prf.c:198 vop_generic_badop(ffff8000363b2168) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd807b22bb50,fffffd807b28faf0) at VOP_STRATEGY+0xcc sys/kern/vfs_vops.c:634 bwrite(fffffd807b28faf0) at bwrite+0x293 sys/kern/vfs_bio.c:757 VOP_BWRITE(fffffd807b28faf0) at VOP_BWRITE+0x60 sys/kern/vfs_vops.c:646 ufs_mkdir(ffff8000363b23e0) at ufs_mkdir+0x581 sys/ufs/ufs/ufs_vnops.c:1160 VOP_MKDIR(fffffd8071b37970,ffff8000363b2540,ffff8000363b2570,ffff8000363b2470) at VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 domkdirat(ffff8000371c0a48,ffffff9c,7a35aa6ea370,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 syscall(ffff8000363b26f0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000363b26f0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a35aa6ea400, count: -11 ddb{0}> machine ddbcpu 1