login: witness: lock_object uninitialized: 0xffff8000014f0030 Starting stack trace... witness_checkorder(ffff8000014f0030,9,0) at witness_checkorder+0x1af witness_debugger sys/kern/subr_witness.c:2522 [inline] witness_checkorder(ffff8000014f0030,9,0) at witness_checkorder+0x1af sys/kern/subr_witness.c:779 rw_do_enter_write(ffff8000014f0018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 unveil_delete_names(ffff8000014f0000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80003c594b58) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff80002a3574a0,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff80002a3574a0,ffff80002a3ea200,ffff80002a3ea150) at sys_exit+0x1a syscall(ffff80002a3ea200) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3ea200) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c6bf8849d10, count: 249 End of stack trace. Stopped at db_enter+0x25: addq $0x8,%rsp ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffff8000014f0030,9,0) at witness_checkorder+0x1b4 rw_do_enter_write(ffff8000014f0018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 unveil_delete_names(ffff8000014f0000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80003c594b58) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff80002a3574a0,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff80002a3574a0,ffff80002a3ea200,ffff80002a3ea150) at sys_exit+0x1a syscall(ffff80002a3ea200) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3ea200) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c6bf8849d10, count: -9 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002a3e9e90 rbx 0 rdx 0 rcx 0xffff80002a3574a0 rax 0xffffffff83791ff0 cpu_info_full_primary+0x1ff0 r8 0xffff80002a3e9e30 r9 0x8080808080808080 r10 0xab65df637ee62cd6 r11 0x9496a447ec517b80 r12 0 r13 0x1 r14 0xffff8000014f0030 r15 0x3 rip 0xffffffff82edcdb5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a3e9e80 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=316974 pid=75494 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a3574a0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a356540,0xffff80003c4d7750 process=0xffff80003c594b58 user=0xffff80002a3e5000, vmspace=0xfffffd806bd2d908 estcpu=36, cpticks=15, pctcpu=0.1, user=0, sys=8, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 48096 232688 22926 0 2 0x480 syz-executor 48096 266594 22926 0 3 0x4000080 kqsel syz-executor 48096 188930 22926 0 3 0x4000080 fsleep syz-executor 6118 176381 3724 0 2 0 syz-executor 6118 481388 3724 0 3 0x4000080 fsleep syz-executor 84941 148398 97969 60928 2 0x10 syz-executor 84941 101113 97969 60928 3 0x4000090 rest syz-executor 84941 364135 97969 60928 3 0x4000090 fsleep syz-executor 42281 498704 28569 0 2 0 syz-executor 42281 403382 28569 0 3 0x4000080 netcon syz-executor 42281 205810 28569 0 3 0x4000080 fsleep syz-executor 72031 80922 0 0 3 0x14200 acct acct 23662 451027 65184 0 2 0x480 syz-executor 23662 133159 65184 0 3 0x4000080 nanoslp syz-executor 92882 354784 83772 0 2 0x480 syz-executor 92882 519675 83772 0 3 0x4000080 ttyin syz-executor 92882 511037 83772 0 3 0x4000080 fsleep syz-executor 92882 466173 83772 0 3 0x4000080 fsleep syz-executor 2758 134357 1 0 2 0x100083 getty 3724 236281 23588 0 2 0x482 syz-executor 83772 523826 23588 0 2 0x482 syz-executor 85150 381935 69964 0 3 0x82 sbwait sshd-session 56915 359056 23588 0 2 0x482 syz-executor 28569 450681 23588 0 2 0x482 syz-executor 65184 106035 23588 0 2 0x482 syz-executor 23973 84482 69964 0 3 0x82 sbwait sshd-session 42302 78030 69964 0 3 0x82 sbwait sshd-session 22926 249176 23588 0 2 0x482 syz-executor 64724 54592 0 0 3 0x14280 nfsidl nfsio 23183 158102 0 0 3 0x14280 nfsidl nfsio 62833 394113 0 0 3 0x14280 nfsidl nfsio 52959 70896 0 0 3 0x14280 nfsidl nfsio 73014 141384 0 0 3 0x14280 nfsidl nfsio 45406 514917 0 0 3 0x14280 nfsidl nfsio 27417 57762 0 0 3 0x14280 nfsidl nfsio 59691 30537 0 0 3 0x14280 nfsidl nfsio 74357 372369 0 0 3 0x14280 nfsidl nfsio 49002 504398 0 0 3 0x14280 nfsidl nfsio 48769 108911 0 0 3 0x14280 nfsidl nfsio 57657 121414 0 0 3 0x14280 nfsidl nfsio 8584 303874 0 0 3 0x14280 nfsidl nfsio 15219 87360 0 0 3 0x14280 nfsidl nfsio 67991 80597 0 0 3 0x14280 nfsidl nfsio 424 314675 0 0 3 0x14280 nfsidl nfsio 30772 38275 0 0 3 0x14280 nfsidl nfsio 60106 406989 0 0 3 0x14280 nfsidl nfsio 62784 11088 0 0 3 0x14280 nfsidl nfsio 7800 75196 0 0 3 0x14280 nfsidl nfsio 62428 185793 0 0 3 0x14200 bored sosplice 59030 219443 23588 0 7 0x2 syz-executor 97969 463613 23588 0 2 0x482 syz-executor 23588 72607 64322 0 3 0x82 kqread syz-executor 64322 359868 34035 0 3 0x10008a sigsusp ksh 34035 237668 85068 0 3 0x98 kqread sshd-session 85068 148413 69964 0 3 0x92 kqread sshd-session 69964 267746 1 0 3 0x88 kqread sshd 65053 105074 36123 74 3 0x1100092 bpf pflogd 36123 332085 1 0 3 0x80 sbwait pflogd 38139 402883 31893 73 2 0x1100090 syslogd 31893 200103 1 0 3 0x100082 sbwait syslogd 48497 403636 1 0 3 0x100080 kqread resolvd 1922 125232 61367 77 3 0x100092 kqread dhcpleased 89366 444413 61367 77 3 0x100092 kqread dhcpleased 61367 92254 1 0 3 0x80 kqread dhcpleased 84851 70529 0 0 3 0x14200 bored smr 87479 475091 0 0 3 0x14200 pgzero zerothread 94412 447320 0 0 3 0x14200 aiodoned aiodoned 78401 349831 0 0 3 0x14200 syncer update 17417 455767 0 0 3 0x14200 cleaner cleaner 86504 471311 0 0 3 0x14200 reaper reaper 55817 163380 0 0 3 0x14200 pgdaemon pagedaemon 88443 413157 0 0 3 0x14200 bored viomb 85578 266826 0 0 3 0x40014200 acpi0 acpi0 48146 416428 0 0 3 0x40014200 idle1 55614 210543 0 0 3 0x14200 bored softnet3 71246 66793 0 0 3 0x14200 bored softnet2 1748 206424 0 0 3 0x14200 bored softnet1 18123 204129 0 0 2 0x14200 softnet0 18130 336915 0 0 3 0x14200 bored systqmp 96476 337107 0 0 3 0x14200 bored systq 59426 272294 0 0 2 0x14200 softclockmp 21135 209693 0 0 2 0x40014200 softclock 8738 342094 0 0 3 0x40014200 idle0 1 439527 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 59030 (syz-executor) thread 0xffff8000ffffd718 (219443) exclusive rrwlock inode r = 0 (0xfffffd806f43cba0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3102 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cfb5768) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #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:3087 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10237 11052K 11575K 166960K 16203 0 pcb 18 18K 19K 166960K 749 0 rtable 201 12K 13K 166960K 1195 0 pf 35 17K 13201K 166960K 275 0 ifaddr 39 7K 8K 166960K 199 0 ifgroup 55 2K 3K 166960K 338 0 sysctl 4 1K 5K 166960K 15 0 counters 64 36K 37K 166960K 296 0 ioctlops 0 0K 4K 166960K 1889 0 iov 0 0K 28K 166960K 247 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1449 91K 92K 166960K 4430 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 59 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 223 0 dirhash 12 2K 2K 166960K 96 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 89K 166960K 3404 0 sigio 0 0K 0K 166960K 86 0 proc 74 115K 127K 166960K 1157 0 subproc 72 4K 4K 166960K 164 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 671 0 in_multi 78 5K 7K 166960K 326 0 ether_multi 1 0K 0K 166960K 16 0 mrt 1 0K 0K 166960K 9 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 265 1182K 1182K 166960K 265 0 exec 0 0K 1K 166960K 1146 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 261 75K 88K 166960K 32961 0 UVM aobj 131 14K 14K 166960K 146 0 pinsyscall 48 96K 102K 166960K 4853 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 206 0 NDP 12 0K 2K 166960K 147 0 temp 81 8644K 8720K 166960K 137842 0 kqueue 13 20K 32K 166960K 591 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 120 511 0 508 9 8 1 3 0 8 0 rtentry 112 438 0 355 4 0 4 4 0 8 0 unpcb 144 3111 0 3093 29 24 5 8 0 8 4 syncache 336 24 0 24 5 5 0 1 0 8 0 tcpqe 32 19 0 19 3 3 0 1 0 8 0 tcpcb 808 1132 0 1119 29 26 3 8 0 8 0 arp 120 120 0 105 1 0 1 1 0 8 0 inpcb 376 4163 0 4143 43 34 9 15 0 8 6 nd6 136 63 0 43 1 0 1 1 0 8 0 pkpcb 40 81 0 81 7 6 1 1 0 8 1 kcovpl 48 18 0 10 1 0 1 1 0 8 0 ppxss 1168 79 0 79 8 7 1 1 0 8 1 pppxif 1472 13 0 13 5 5 0 1 0 8 0 pffrag 232 22 0 13 1 0 1 1 0 482 0 pffrnode 88 18 0 9 1 0 1 1 0 8 0 pffrent 40 85 0 76 1 0 1 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 24 242 0 126 1 0 1 1 0 8 0 pfstkey 128 242 0 126 5 0 5 5 0 8 0 pfstate 376 242 0 126 14 0 14 14 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 1325 0 954 42 16 26 30 0 8 0 art_table 32 1329 0 954 4 0 4 4 0 8 0 art_node 16 427 0 358 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 13 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 218 0 208 1 0 1 1 0 8 0 shmpl 112 143 0 15 4 0 4 4 0 8 0 dirhash 1024 75 0 58 3 0 3 3 0 8 0 dino2pl 256 7813 0 6298 96 0 96 96 0 8 0 ffsino 280 7813 0 6298 109 0 109 109 0 8 0 nchpl 144 12581 0 11945 63 39 24 63 0 8 0 rtmask 32 5 0 5 4 4 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 46703 0 46702 6 5 1 2 0 8 0 percpumem 16 162 0 116 1 0 1 1 0 8 0 kstatmem 264 210 0 186 5 3 2 3 0 8 0 scsiplug 72 9 0 9 4 4 0 1 0 8 0 scxspl 216 41454 0 41454 11 10 1 8 1 8 1 plimitpl 152 919 0 900 1 0 1 1 0 8 0 sigapl 424 3724 0 3650 10 1 9 9 0 8 0 futexpl 64 50677 0 50671 1 0 1 1 0 8 0 knotepl 120 806 0 0 24 0 24 24 0 8 0 kqueuepl 216 1153 0 1143 10 9 1 5 0 8 0 pipepl 328 598 0 568 13 10 3 8 0 8 0 fdescpl 504 3678 0 3645 5 0 5 5 0 8 0 filepl 152 27771 0 27498 47 32 15 20 0 8 2 lockfpl 104 1066 0 1064 1 0 1 1 0 8 0 lockfspl 48 406 0 404 1 0 1 1 0 8 0 sessionpl 144 57 0 45 1 0 1 1 0 8 0 pgrppl 48 121 0 101 1 0 1 1 0 8 0 ucredpl 104 4948 0 4934 1 0 1 1 0 8 0 zombiepl 144 4135 0 4134 1 0 1 1 0 8 0 processpl 1168 3724 0 3650 7 1 6 6 0 8 0 procpl 656 8775 0 8690 8 0 8 8 0 8 0 srpgc 96 28 0 28 7 7 0 1 0 8 0 sosppl 168 34 0 34 6 5 1 1 0 8 1 sockpl 688 7924 0 7883 74 61 13 22 0 8 7 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 120 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 99 0 0 12 6 6 12 0 8 0 mtagpl 96 177 0 0 5 0 5 5 0 8 0 mbufpl 256 1288 0 0 77 0 77 77 0 8 0 bufpl 280 11103 0 4949 440 0 440 440 0 8 0 anonpl 24 396805 0 389635 126 72 54 68 0 184 0 amapchunkpl 152 105626 0 105000 56 25 31 31 0 158 5 amappl16 200 7110 0 6968 64 49 15 20 0 8 0 amappl15 192 1 0 1 1 1 0 1 0 8 0 amappl14 184 176 0 160 1 0 1 1 0 8 0 amappl13 176 4 0 4 1 1 0 1 0 8 0 amappl12 168 4500 0 4466 4 2 2 3 0 8 0 amappl11 160 50 0 36 1 0 1 1 0 8 0 amappl10 152 4 0 3 1 0 1 1 0 8 0 amappl9 144 253 0 252 2 1 1 1 0 8 0 amappl8 136 36 0 33 1 0 1 1 0 8 0 amappl7 128 147 0 131 1 0 1 1 0 8 0 amappl6 120 288 0 281 1 0 1 1 0 8 0 amappl5 112 167 0 157 1 0 1 1 0 8 0 amappl4 104 458 0 441 1 0 1 1 0 8 0 amappl3 96 22621 0 22498 5 1 4 4 0 8 0 amappl2 88 1033 0 950 2 0 2 2 0 8 0 amappl1 80 23402 0 22574 19 1 18 19 0 8 0 amappl 88 32184 0 31993 5 0 5 5 0 92 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma16384 16384 1 0 1 1 1 0 1 0 8 0 dma4096 4096 2 0 2 2 2 0 1 0 8 0 dma1024 1024 4 0 3 1 0 1 1 0 8 0 dma256 256 7 0 7 2 2 0 1 0 8 0 dma128 128 256 0 256 3 3 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 21 0 20 1 0 1 1 0 8 0 aobjpl 72 145 0 15 3 0 3 3 0 8 0 uaddrrnd 24 3678 0 3644 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3678 0 3644 1 0 1 1 0 8 0 vmmpekpl 168 27747 0 27684 4 0 4 4 0 8 0 vmmpepl 168 229783 0 227376 146 37 109 115 0 357 0 vmsppl 456 3677 0 3644 5 0 5 5 0 8 0 rwobjpl 64 62077 0 54656 127 6 121 123 0 8 0 pdppl 4096 7364 0 7288 136 58 78 86 0 8 2 pvpl 32 19738 0 0 159 0 159 159 0 265 0 pmappl 248 3677 0 3644 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 455 0 130 10 0 10 10 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 witness_checkorder(ffff8000014f0030,9,0) at witness_checkorder+0x1b4 rw_do_enter_write(ffff8000014f0018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 unveil_delete_names(ffff8000014f0000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80003c594b58) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff80002a3574a0,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff80002a3574a0,ffff80002a3ea200,ffff80002a3ea150) at sys_exit+0x1a syscall(ffff80002a3ea200) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3ea200) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c6bf8849d10, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800029a9bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x1a kd_curproc sys/dev/kcov.c:580 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x1a sys/dev/kcov.c:153 __mp_lock(ffffffff838e3cd8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838e3cd8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff838e3cd8,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 sleep_finish(0,1) at sleep_finish+0x24f sys/kern/kern_synch.c:414 biowait(fffffd8079cd5360) at biowait+0xc1 sys/kern/vfs_bio.c:1246 bwrite(fffffd8079cd5360) at bwrite+0x2e5 sys/kern/vfs_bio.c:758 VOP_BWRITE(fffffd8079cd5360) at VOP_BWRITE+0x60 sys/kern/vfs_vops.c:648 ufs_mkdir(ffff80002a472ad0) at ufs_mkdir+0x581 sys/ufs/ufs/ufs_vnops.c:1160 VOP_MKDIR(fffffd806c16fce8,ffff80002a472c30,ffff80002a472c60,ffff80002a472b60) at VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 domkdirat(ffff8000ffffd718,ffffff9c,7357cd6bca40,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3102 syscall(ffff80002a472de0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a472de0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7357cd6bcae0, count: -16