witness: lock_object uninitialized: 0xffff800001352028 Starting stack trace... witness_checkorder(ffff800001352028,9,0) at witness_checkorder+0x1af witness_debugger sys/kern/subr_witness.c:2522 [inline] witness_checkorder(ffff800001352028,9,0) at witness_checkorder+0x1af sys/kern/subr_witness.c:779 rw_enter_write(ffff800001352018) at rw_enter_write+0x7a sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800001352000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80003727e8d0) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff800033b9c2b0,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff800033b9c2b0,ffff80003258f540,ffff80003258f490) at sys_exit+0x1a syscall(ffff80003258f540) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80003258f540) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75b1dd17d1b0, 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(ffff800001352028,9,0) at witness_checkorder+0x1b4 rw_enter_write(ffff800001352018) at rw_enter_write+0x7a sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800001352000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80003727e8d0) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff800033b9c2b0,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff800033b9c2b0,ffff80003258f540,ffff80003258f490) at sys_exit+0x1a syscall(ffff80003258f540) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80003258f540) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75b1dd17d1b0, count: -9 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003258f210 rbx 0 rdx 0 rcx 0xffff800033b9c2b0 rax 0xffff800029b7bff0 r8 0xffff80003258f1b0 r9 0x8080808080808080 r10 0xdfef385269ee2bfb r11 0x56ffc9901414d174 r12 0 r13 0x1 r14 0xffff800001352028 r15 0x3 rip 0xffffffff81ac00e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003258f200 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=386255 pid=99112 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff800033b9c2b0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff8000371cf1e8,0xffff8000371cece8 process=0xffff80003727e8d0 user=0xffff80003258a000, vmspace=0xfffffd806bf29560 estcpu=33, cpticks=11, pctcpu=0.13, user=0, sys=8, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 30098 286829 43388 0 2 0 syz-executor 30098 482198 43388 0 3 0x4000080 fsleep syz-executor 12994 231192 7574 0 2 0 syz-executor 12994 99609 7574 0 2 0x4000080 syz-executor 95034 127153 85843 0 2 0 syz-executor 95034 272581 85843 0 3 0x4000080 fsleep syz-executor 94725 272020 0 0 3 0x14200 acct acct 67768 297098 0 0 3 0x14280 nfsidl nfsio 26509 32450 0 0 3 0x14280 nfsidl nfsio 30765 338722 0 0 3 0x14280 nfsidl nfsio 66927 135050 0 0 3 0x14280 nfsidl nfsio 61560 263502 0 0 3 0x14280 nfsidl nfsio 84795 45085 0 0 3 0x14280 nfsidl nfsio 12244 464788 0 0 3 0x14280 nfsidl nfsio 37851 289167 0 0 3 0x14280 nfsidl nfsio 3125 18752 0 0 3 0x14280 nfsidl nfsio 2749 123617 0 0 3 0x14280 nfsidl nfsio 81665 75100 0 0 3 0x14280 nfsidl nfsio 6434 38673 0 0 3 0x14280 nfsidl nfsio 36165 57468 0 0 3 0x14280 nfsidl nfsio 60863 307108 0 0 3 0x14280 nfsidl nfsio 41031 343473 0 0 3 0x14280 nfsidl nfsio 4099 494313 0 0 3 0x14280 nfsidl nfsio 95366 101687 0 0 3 0x14280 nfsidl nfsio 84358 161181 0 0 3 0x14280 nfsidl nfsio 99146 449956 0 0 3 0x14280 nfsidl nfsio 46969 348823 0 0 3 0x14280 nfsidl nfsio 28353 459608 64321 0 3 0x2 biowait syz-executor 63625 14277 0 0 3 0x14200 bored sosplice 3630 512270 64321 0 3 0x82 wait syz-executor 31267 37523 64321 0 3 0x2 biowait syz-executor 43388 410513 64321 0 3 0x82 nanoslp syz-executor 85843 6584 64321 0 3 0x82 nanoslp syz-executor 8339 141635 64321 0 3 0x2 biowait syz-executor 12196 408471 64321 0 3 0x82 nanoslp syz-executor 7574 246588 64321 0 3 0x82 nanoslp syz-executor 64321 367159 55911 0 7 0x3 syz-executor 55911 234622 27230 0 3 0x10008a sigsusp ksh 27230 491281 58294 0 3 0x98 kqread sshd-session 58294 272477 90528 0 3 0x92 kqread sshd-session 85376 14669 1 0 3 0x100083 ttyopn getty 90528 294312 1 0 3 0x88 kqread sshd 83737 420821 7913 74 3 0x1100092 bpf pflogd 7913 155528 1 0 3 0x80 sbwait pflogd 64461 273116 79901 73 3 0x1100090 kqread syslogd 79901 19584 1 0 3 0x100082 sbwait syslogd 24628 50241 1 0 3 0x100080 kqread resolvd 26115 351752 16535 77 3 0x100092 kqread dhcpleased 85341 35170 16535 77 3 0x100092 kqread dhcpleased 16535 327748 1 0 3 0x80 kqread dhcpleased 11695 134996 0 0 3 0x14200 bored smr 38868 242398 0 0 2 0x14200 zerothread 98594 345273 0 0 3 0x14200 aiodoned aiodoned 71003 277693 0 0 3 0x14200 syncer update 87967 60499 0 0 3 0x14200 cleaner cleaner 53275 287570 0 0 2 0x14200 reaper 13900 192403 0 0 3 0x14200 pgdaemon pagedaemon 46698 440631 0 0 3 0x14200 bored viomb 1191 415911 0 0 3 0x40014200 acpi0 acpi0 7618 171132 0 0 3 0x40014200 idle1 44218 20283 0 0 3 0x14200 bored softnet3 72524 387381 0 0 3 0x14200 bored softnet2 33428 289142 0 0 3 0x14200 bored softnet1 79398 512436 0 0 3 0x14200 bored softnet0 49053 393923 0 0 3 0x14200 bored systqmp 57806 152506 0 0 3 0x14200 bored systq 50117 308226 0 0 3 0x14200 tmoslp softclockmp 56076 262490 0 0 3 0x40014200 tmoslp softclock 64163 8404 0 0 3 0x40014200 idle0 1 17243 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 28353 (syz-executor) thread 0xffff8000371cfc08 (459608) exclusive rrwlock inode r = 0 (0xfffffd806bd542c0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:169 #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:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806bd54a30) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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:178 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 31267 (syz-executor) thread 0xffff8000ffff6530 (37523) exclusive rrwlock inode r = 0 (0xfffffd806d5004e0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:169 #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:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c69b098) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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:178 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 8339 (syz-executor) thread 0xffff8000ffff7bf8 (141635) exclusive rrwlock inode r = 0 (0xfffffd806de94b48) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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:678 #6 ufs_ihashget+0x192 sys/ufs/ufs/ufs_ihash.c:98 #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:178 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cd62a38) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 53275 (reaper) thread 0xffff800029fd96d0 (287570) exclusive rwlock kmmaplk r = 0 (0xffffffff83641100) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5255 #2 uvm_unmap+0x81 sys/uvm/uvm_map.c:1792 #3 km_free+0x87 sys/uvm/uvm_km.c:833 #4 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:284 #5 reaper+0x1fe sys/kern/kern_exit.c:466 #6 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10200 11143K 11583K 166960K 12595 0 pcb 17 17K 19K 166960K 205 0 rtable 202 6K 7K 166960K 490 0 pf 37 18K 20K 166960K 95 0 ifaddr 39 6K 7K 166960K 66 0 ifgroup 55 2K 2K 166960K 97 0 sysctl 3 1K 1K 166960K 3 0 counters 64 36K 37K 166960K 94 0 ioctlops 0 0K 4K 166960K 1583 0 iov 0 0K 16K 166960K 174 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1483 93K 94K 166960K 2167 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 24 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 29 0 dirhash 12 2K 2K 166960K 27 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 14 49K 93K 166960K 950 0 sigio 0 0K 0K 166960K 157 0 proc 86 116K 128K 166960K 658 0 subproc 104 6K 6K 166960K 117 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 225 0 in_multi 85 6K 7K 166960K 126 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 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 528 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 222 72K 77K 166960K 10639 0 UVM aobj 34 6K 8K 166960K 38 0 pinsyscall 40 80K 101K 166960K 2075 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 84 0 NDP 12 0K 1K 166960K 45 0 temp 52 6821K 6898K 166960K 24065 0 kqueue 13 20K 28K 166960K 163 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 120 151 0 148 3 0 3 3 0 8 2 rtentry 112 153 0 62 4 0 4 4 0 8 0 unpcb 144 592 0 574 6 2 4 4 0 8 3 syncache 336 4 0 4 2 2 0 1 0 8 0 tcpcb 808 364 0 357 10 9 1 7 0 8 0 arp 120 28 0 12 1 0 1 1 0 8 0 inpcb 336 1253 0 1246 21 14 7 10 0 8 6 nd6 136 31 0 7 1 0 1 1 0 8 0 pkpcb 40 9 0 9 3 2 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1168 11 0 11 3 2 1 1 0 8 1 pffrag 232 4 0 1 2 1 1 1 0 482 0 pffrnode 88 4 0 1 2 1 1 1 0 8 0 pffrent 40 7 0 4 2 1 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 72 0 21 1 0 1 1 0 8 0 pfstkey 128 74 0 23 2 0 2 2 0 8 0 pfstate 376 72 0 22 6 0 6 6 0 8 0 pfrule 1344 63 0 56 2 0 2 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 554 0 168 30 2 28 29 0 8 2 art_table 32 557 0 168 4 0 4 4 0 8 0 art_node 16 148 0 66 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 2 1 0 1 1 0 8 0 semapl 112 26 0 16 1 0 1 1 0 8 0 shmpl 112 35 0 4 1 0 1 1 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 3036 0 1540 95 0 95 95 0 8 0 ffsino 272 3036 0 1540 101 0 101 101 0 8 0 nchpl 144 4374 0 2692 63 0 63 63 0 8 0 uvmvnodes 80 3680 0 0 76 0 76 76 0 8 0 vnodes 216 3680 0 0 205 0 205 205 0 8 0 namei 1024 15680 0 15678 3 2 1 2 0 8 0 percpumem 16 61 0 15 1 0 1 1 0 8 0 kstatmem 264 54 0 30 3 1 2 3 0 8 0 scsiplug 72 4 0 4 3 2 1 1 0 8 1 scxspl 216 12851 0 12848 12 9 3 8 1 8 2 plimitpl 152 177 0 159 1 0 1 1 0 8 0 sigapl 424 1278 0 1209 11 2 9 9 0 8 0 futexpl 64 12383 0 12381 1 0 1 1 0 8 0 knotepl 120 328 0 0 10 0 10 10 0 8 0 kqueuepl 216 280 0 271 4 3 1 3 0 8 0 pipepl 320 232 0 205 6 3 3 6 0 8 0 fdescpl 496 1237 0 1209 5 0 5 5 0 8 0 filepl 152 8029 0 7785 22 5 17 17 0 8 4 lockfpl 104 443 0 441 2 0 2 2 0 8 1 lockfspl 48 184 0 182 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 41 0 24 1 0 1 1 0 8 0 ucredpl 104 1392 0 1378 1 0 1 1 0 8 0 zombiepl 144 1334 0 1332 1 0 1 1 0 8 0 processpl 1160 1278 0 1209 7 1 6 6 0 8 0 procpl 648 2680 0 2606 9 1 8 8 0 8 0 srpgc 96 8 0 8 2 1 1 1 0 8 1 sosppl 168 8 0 8 2 1 1 1 0 8 1 sockpl 664 2011 0 1983 26 15 11 12 0 8 7 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 122 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 19 0 0 3 0 3 3 0 8 0 mtagpl 96 63 0 0 2 0 2 2 0 8 0 mbufpl 256 266 0 0 17 0 17 17 0 8 0 bufpl 280 3736 0 100 260 0 260 260 0 8 0 anonpl 24 212095 0 208757 68 35 33 47 0 185 0 amapchunkpl 152 33962 0 33506 30 5 25 26 0 158 4 amappl16 200 5162 0 5130 27 20 7 15 0 8 0 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 118 0 106 1 0 1 1 0 8 0 amappl13 176 7 0 6 1 0 1 1 0 8 0 amappl12 168 1911 0 1882 4 1 3 3 0 8 0 amappl11 160 54 0 39 1 0 1 1 0 8 0 amappl10 152 11 0 11 1 1 0 1 0 8 0 amappl9 144 177 0 177 1 1 0 1 0 8 0 amappl8 136 24 0 22 1 0 1 1 0 8 0 amappl7 128 113 0 101 1 0 1 1 0 8 0 amappl6 120 199 0 197 1 0 1 1 0 8 0 amappl5 112 140 0 128 1 0 1 1 0 8 0 amappl4 104 336 0 315 1 0 1 1 0 8 0 amappl3 96 6296 0 6205 4 0 4 4 0 8 1 amappl2 88 1501 0 1418 2 0 2 2 0 8 0 amappl1 80 10112 0 9552 13 0 13 13 0 8 0 amappl 88 10189 0 10029 6 1 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 128 254 0 254 2 1 1 1 0 8 1 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 37 0 4 1 0 1 1 0 8 0 uaddrrnd 24 1237 0 1208 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1237 0 1208 1 0 1 1 0 8 0 vmmpekpl 168 11320 0 11278 3 0 3 3 0 8 0 vmmpepl 168 81648 0 79874 107 20 87 95 0 357 2 vmsppl 448 1236 0 1208 6 2 4 5 0 8 0 rwobjpl 56 28054 0 23410 66 0 66 66 0 8 0 pdppl 4096 2481 0 2416 109 38 71 85 0 8 6 pvpl 32 14591 0 0 119 1 118 118 0 265 0 pmappl 248 1236 0 1208 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 428 0 73 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff834f2ff0) 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+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff835a0960) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835a0960) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 intr_handler(ffff80002a050260,ffff800000069c00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __mp_lock(ffffffff835a0960) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835a0960) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a0503c0,ffff800000079e00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge25_untramp() at Xintr_ioapic_edge25_untramp+0x18f __mp_lock(ffffffff835a0960) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835a0960) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 intr_handler(ffff80002a050520,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc ktrstruct(ffff800029fd8290,ffffffff8300a617,ffff80002a050718,10) at ktrstruct+0xe2 sys/kern/kern_ktrace.c:307 sys_pselect(ffff800029fd8290,ffff80002a050860,ffff80002a0507b0) at sys_pselect+0x129 sys/kern/sys_generic.c:577 syscall(ffff80002a050860) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002a050860) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7bd5d32dcd60, count: -18 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(ffff800001352028,9,0) at witness_checkorder+0x1b4 rw_enter_write(ffff800001352018) at rw_enter_write+0x7a sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800001352000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80003727e8d0) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff800033b9c2b0,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff800033b9c2b0,ffff80003258f540,ffff80003258f490) at sys_exit+0x1a syscall(ffff80003258f540) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80003258f540) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75b1dd17d1b0, count: -9