witness: lock_object uninitialized: 0xffff800001505030 Starting stack trace... witness_checkorder(ffff800001505030,9,0) at witness_checkorder+0x1af witness_debugger sys/kern/subr_witness.c:2522 [inline] witness_checkorder(ffff800001505030,9,0) at witness_checkorder+0x1af sys/kern/subr_witness.c:779 rw_do_enter_write(ffff800001505018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 unveil_delete_names(ffff800001505000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80002a43fda8) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff80003c5a5c68,b,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff80003c5a5c68,ffff80003b4c8e70,ffff80003b4c8dc0) at sys_exit+0x1a syscall(ffff80003b4c8e70) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003b4c8e70) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ea9bae59090, count: 249 End of stack trace. Stopped at db_enter+0x25: addq $0x8,%rsp ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffff800001505030,9,0) at witness_checkorder+0x1b4 rw_do_enter_write(ffff800001505018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 unveil_delete_names(ffff800001505000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80002a43fda8) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff80003c5a5c68,b,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff80003c5a5c68,ffff80003b4c8e70,ffff80003b4c8dc0) at sys_exit+0x1a syscall(ffff80003b4c8e70) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003b4c8e70) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ea9bae59090, count: -9 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003b4c8b00 rbx 0 rdx 0 rcx 0xffff80003c5a5c68 rax 0xffff800029aabff0 r8 0xffff80003b4c8aa0 r9 0x8080808080808080 r10 0x1f010007edd9a893 r11 0x4da8c85b37cc3c0 r12 0 r13 0x1 r14 0xffff800001505030 r15 0x3 rip 0xffffffff82606ac5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003b4c8af0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=362481 pid=9123 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c5a5c68 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003c5a47e8,0xffffffff838eb850 process=0xffff80002a43fda8 user=0xffff80003b4c3000, vmspace=0xfffffd805f7b71f0 estcpu=36, cpticks=8, pctcpu=0.0, user=0, sys=8, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 35452 112059 97901 0 3 0 futex syz-executor 35452 248566 97901 0 3 0x4000000 futex syz-executor 71448 89326 20302 0 2 0 syz-executor 71448 273744 20302 0 3 0x4000080 fsleep syz-executor 3532 365066 24313 0 3 0 futex syz-executor 3532 225961 24313 0 3 0x4000080 sbwait syz-executor 3532 135435 24313 0 2 0x4000000 syz-executor 3532 399369 24313 0 3 0x4000080 fsleep syz-executor 76408 65441 88230 0 3 0x90 nanoslp syz-executor 76408 89678 88230 0 3 0x4000090 lockf syz-executor 76408 355848 88230 0 3 0x4000090 fsleep syz-executor 76408 68678 88230 0 3 0x4000090 fsleep syz-executor 20302 435209 1634 0 3 0x82 nanoslp syz-executor 28983 228566 1 0 3 0x100083 ttyin getty 6069 457212 0 0 3 0x14280 nfsidl nfsio 85529 198862 0 0 3 0x14280 nfsidl nfsio 13756 497463 0 0 3 0x14280 nfsidl nfsio 73383 15938 0 0 3 0x14280 nfsidl nfsio 24501 334466 0 0 3 0x14280 nfsidl nfsio 2131 38091 0 0 3 0x14280 nfsidl nfsio 92901 284654 0 0 3 0x14280 nfsidl nfsio 6 95507 0 0 3 0x14280 nfsidl nfsio 9138 48406 0 0 3 0x14280 nfsidl nfsio 51492 320292 0 0 3 0x14280 nfsidl nfsio 75891 335038 0 0 3 0x14280 nfsidl nfsio 22404 340673 0 0 3 0x14280 nfsidl nfsio 35210 294244 0 0 3 0x14280 nfsidl nfsio 78900 219500 0 0 3 0x14280 nfsidl nfsio 15533 319964 0 0 3 0x14280 nfsidl nfsio 34923 445748 0 0 3 0x14280 nfsidl nfsio 11819 52900 0 0 3 0x14280 nfsidl nfsio 10234 234921 0 0 3 0x14280 nfsidl nfsio 22497 201558 0 0 3 0x14280 nfsidl nfsio 66828 132437 0 0 3 0x14280 nfsidl nfsio 64635 409488 0 0 3 0x14200 bored sosplice 70671 33017 1634 0 3 0x2 biowait syz-executor 88230 452976 1634 0 3 0x82 nanoslp syz-executor 62582 190247 1634 0 3 0x82 wait syz-executor 24313 497215 1634 0 3 0x82 nanoslp syz-executor 4658 250907 1634 0 3 0x82 nanoslp syz-executor 97901 521900 1634 0 3 0x82 nanoslp syz-executor 23342 246161 1634 0 3 0x82 nanoslp syz-executor 1634 334671 60781 0 7 0x2 syz-executor 60781 233316 38103 0 3 0x10008a sigsusp ksh 38103 52970 23662 0 3 0x98 kqread sshd-session 23662 521145 43404 0 3 0x92 kqread sshd-session 43404 471503 1 0 3 0x88 kqread sshd 15856 9849 49407 74 3 0x1100092 bpf pflogd 49407 115881 1 0 3 0x80 sbwait pflogd 23755 481532 99790 73 3 0x1100090 kqread syslogd 99790 436669 1 0 3 0x100082 sbwait syslogd 5199 504628 1 0 3 0x100080 kqread resolvd 45104 163020 39288 77 3 0x100092 kqread dhcpleased 58422 289052 39288 77 3 0x100092 kqread dhcpleased 39288 173538 1 0 3 0x80 kqread dhcpleased 99352 83008 0 0 3 0x14200 bored smr 58633 108173 0 0 2 0x14200 zerothread 96540 314117 0 0 3 0x14200 aiodoned aiodoned 78091 440128 0 0 3 0x14200 syncer update 32045 247122 0 0 3 0x14200 cleaner cleaner 25883 153234 0 0 2 0x14200 reaper 51115 34919 0 0 3 0x14200 pgdaemon pagedaemon 46592 11703 0 0 3 0x14200 bored viomb 21502 78491 0 0 3 0x40014200 acpi0 acpi0 1672 193560 0 0 3 0x40014200 idle1 38017 346247 0 0 3 0x14200 bored softnet3 82157 266363 0 0 3 0x14200 bored softnet2 38732 418051 0 0 3 0x14200 bored softnet1 27979 94911 0 0 2 0x14200 softnet0 79788 332591 0 0 3 0x14200 bored systqmp 98800 199778 0 0 3 0x14200 bored systq 77190 352105 0 0 3 0x14200 tmoslp softclockmp 10768 119815 0 0 3 0x40014200 tmoslp softclock 87429 488452 0 0 3 0x40014200 idle0 1 492983 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 3532 (syz-executor) thread 0xffff80003c5a4f98 (135435) exclusive rwlock futex r = 0 (0xffffffff837985a8) #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 sys_futex+0x69 sys/kern/sys_futex.c:98 #3 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #4 Xsyscall+0x128 Process 70671 (syz-executor) thread 0xffff8000378b22b8 (33017) exclusive rrwlock inode r = 0 (0xfffffd8069e160a0) #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 (0xfffffd80745b21c8) #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 Process 25883 (reaper) thread 0xffff8000ffffd718 (153234) exclusive rwlock kmmaplk r = 0 (0xffffffff838e1920) #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 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5250 #3 uvm_unmap+0x81 sys/uvm/uvm_map.c:1792 #4 km_free+0x87 sys/uvm/uvm_km.c:833 #5 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:284 #6 reaper+0x1fe sys/kern/kern_exit.c:466 #7 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10225 11023K 11345K 166960K 13080 0 pcb 17 13K 14K 166960K 255 0 rtable 209 8K 8K 166960K 578 0 pf 33 17K 19K 166960K 110 0 ifaddr 40 7K 8K 166960K 89 0 ifgroup 51 2K 2K 166960K 133 0 sysctl 3 1K 1K 166960K 3 0 counters 62 36K 36K 166960K 126 0 ioctlops 0 0K 4K 166960K 1721 0 iov 0 0K 20K 166960K 70 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1457 92K 93K 166960K 2577 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 26 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 33 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 97K 166960K 1302 0 sigio 0 0K 0K 166960K 89 0 proc 79 115K 128K 166960K 733 0 subproc 72 4K 4K 166960K 90 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 226 0 in_multi 87 6K 7K 166960K 165 0 ether_multi 1 0K 0K 166960K 11 0 mrt 1 0K 0K 166960K 8 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 235 1049K 1049K 166960K 235 0 exec 0 0K 1K 166960K 663 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 4 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 229 73K 86K 166960K 14287 0 UVM aobj 42 6K 6K 166960K 44 0 pinsyscall 42 84K 104K 166960K 2455 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 59 0 NDP 11 0K 2K 166960K 58 0 temp 74 8643K 8889K 166960K 25009 0 kqueue 13 20K 28K 166960K 217 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> 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 120 101 0 98 1 0 1 1 0 8 0 rtentry 112 154 0 61 4 0 4 4 0 8 0 unpcb 144 1685 0 1666 12 6 6 11 0 8 5 syncache 336 6 0 6 3 3 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 323 0 316 5 3 2 4 0 8 1 arp 120 22 0 6 1 0 1 1 0 8 0 inpcb 376 1288 0 1277 27 22 5 11 0 8 3 nd6 136 32 0 10 1 0 1 1 0 8 0 pkpcb 40 6 0 6 2 1 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1168 20 0 20 3 2 1 1 0 8 1 pppxif 1472 4 0 4 3 2 1 1 0 8 1 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 8 0 0 1 0 1 1 0 482 0 pffrnode 88 8 0 0 1 0 1 1 0 8 0 pffrent 40 11 0 3 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 78 0 24 1 0 1 1 0 8 0 pfstkey 128 80 0 26 2 0 2 2 0 8 0 pfstate 376 79 0 25 6 0 6 6 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 687 0 284 29 3 26 29 0 8 0 art_table 32 691 0 284 4 0 4 4 0 8 0 art_node 16 150 0 68 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 11 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 31 0 21 1 0 1 1 0 8 0 shmpl 112 41 0 2 2 0 2 2 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 3877 0 2375 96 0 96 96 0 8 0 ffsino 280 3877 0 2375 109 0 109 109 0 8 0 nchpl 144 5720 0 4024 64 0 64 64 0 8 0 uvmvnodes 80 4611 0 0 95 0 95 95 0 8 0 vnodes 216 4611 0 0 257 0 257 257 0 8 0 namei 1024 21085 0 21084 3 2 1 2 0 8 0 percpumem 16 77 0 32 1 0 1 1 0 8 0 kstatmem 264 72 0 50 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 1 0 1 0 8 0 scxspl 216 19055 0 19054 12 10 2 8 1 8 1 plimitpl 152 355 0 337 1 0 1 1 0 8 0 sigapl 424 1623 0 1553 11 2 9 9 0 8 0 futexpl 64 17097 0 17092 1 0 1 1 0 8 0 knotepl 120 498 0 0 15 0 15 15 0 8 0 kqueuepl 216 468 0 459 9 8 1 5 0 8 0 pipepl 328 278 0 251 8 0 8 8 0 8 5 fdescpl 504 1583 0 1553 6 1 5 6 0 8 0 filepl 152 11621 0 11398 28 11 17 19 0 8 5 lockfpl 104 314 0 310 1 0 1 1 0 8 0 lockfspl 48 125 0 122 1 0 1 1 0 8 0 sessionpl 144 29 0 20 1 0 1 1 0 8 0 pgrppl 48 151 0 134 1 0 1 1 0 8 0 ucredpl 104 2193 0 2179 1 0 1 1 0 8 0 zombiepl 144 2199 0 2196 1 0 1 1 0 8 0 processpl 1168 1623 0 1553 7 1 6 6 0 8 0 procpl 656 3642 0 3563 8 0 8 8 0 8 0 srpgc 96 8 0 8 2 2 0 1 0 8 0 sosppl 168 4 0 4 2 2 0 1 0 8 0 sockpl 688 3099 0 3066 55 43 12 27 0 8 8 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 110 0 0 14 0 14 14 0 8 0 mcl2k2 2112 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 22 0 0 3 0 3 3 0 8 0 mtagpl 96 45 0 0 2 0 2 2 0 8 0 mbufpl 256 267 0 0 17 0 17 17 0 8 0 bufpl 280 5706 0 133 399 0 399 399 0 8 0 anonpl 24 229585 0 226189 57 13 44 47 0 184 2 amapchunkpl 152 51316 0 50815 38 4 34 34 0 158 12 amappl16 200 4564 0 4527 25 12 13 15 0 8 6 amappl15 192 5 0 5 2 2 0 1 0 8 0 amappl14 184 121 0 109 1 0 1 1 0 8 0 amappl13 176 7 0 7 2 2 0 1 0 8 0 amappl12 168 2260 0 2229 4 2 2 3 0 8 0 amappl11 160 57 0 42 1 0 1 1 0 8 0 amappl10 152 88 0 88 1 1 0 1 0 8 0 amappl9 144 254 0 254 1 1 0 1 0 8 0 amappl8 136 25 0 22 1 0 1 1 0 8 0 amappl7 128 119 0 106 1 0 1 1 0 8 0 amappl6 120 204 0 200 1 0 1 1 0 8 0 amappl5 112 131 0 121 1 0 1 1 0 8 0 amappl4 104 330 0 310 1 0 1 1 0 8 0 amappl3 96 9286 0 9170 4 0 4 4 0 8 0 amappl2 88 694 0 632 2 0 2 2 0 8 0 amappl1 80 12199 0 11629 15 1 14 14 0 8 0 amappl 88 13781 0 13608 5 0 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 43 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1583 0 1552 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1583 0 1552 1 0 1 1 0 8 0 vmmpekpl 168 14038 0 13988 3 0 3 3 0 8 0 vmmpepl 168 101487 0 99602 100 6 94 96 0 357 3 vmsppl 456 1582 0 1552 6 1 5 5 0 8 0 rwobjpl 64 33401 0 27804 91 0 91 91 0 8 0 pdppl 4096 3174 0 3104 114 42 72 88 0 8 2 pvpl 32 15145 0 0 124 2 122 122 0 265 0 pmappl 248 1582 0 1552 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 313 0 59 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff837a6ff0) 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 __mp_lock(ffffffff83925158) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83925158) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a3a8b90,ffff800000069c00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __mp_lock(ffffffff83925158) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83925158) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a3a8cf0,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x7c034689bd20, count: -9 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffff800001505030,9,0) at witness_checkorder+0x1b4 rw_do_enter_write(ffff800001505018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 unveil_delete_names(ffff800001505000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80002a43fda8) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff80003c5a5c68,b,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff80003c5a5c68,ffff80003b4c8e70,ffff80003b4c8dc0) at sys_exit+0x1a syscall(ffff80003b4c8e70) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003b4c8e70) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ea9bae59090, count: -9