witness: lock_object uninitialized: 0xffff800000e7c028 Starting stack trace... witness_checkorder(ffff800000e7c028,9,0) at witness_checkorder+0x13b witness_debugger sys/kern/subr_witness.c:2510 [inline] witness_checkorder(ffff800000e7c028,9,0) at witness_checkorder+0x13b sys/kern/subr_witness.c:777 rw_enter_write(ffff800000e7c018) at rw_enter_write+0x5f sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000e7c000) at unveil_delete_names+0x34 sys/kern/kern_unveil.c:102 unveil_destroy(ffff8000ffffb9c0) at unveil_destroy+0x9d sys/kern/kern_unveil.c:183 exit1(ffff8000ffff4cf8,0,0,1) at exit1+0x3d9 sys/kern/kern_exit.c:218 sys_exit(ffff8000ffff4cf8,ffff80002bcaad60,ffff80002bcaacb0) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002bcaad60) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002bcaad60) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7750f0f5a840, count: 249 End of stack trace. Stopped at db_enter+0x1c: 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+0x1c sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffff800000e7c028,9,0) at witness_checkorder+0x140 rw_enter_write(ffff800000e7c018) at rw_enter_write+0x5f sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000e7c000) at unveil_delete_names+0x34 sys/kern/kern_unveil.c:102 unveil_destroy(ffff8000ffffb9c0) at unveil_destroy+0x9d sys/kern/kern_unveil.c:183 exit1(ffff8000ffff4cf8,0,0,1) at exit1+0x3d9 sys/kern/kern_exit.c:218 sys_exit(ffff8000ffff4cf8,ffff80002bcaad60,ffff80002bcaacb0) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002bcaad60) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002bcaad60) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7750f0f5a840, count: -9 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002bcaaa20 rbx 0 rdx 0 rcx 0xffff8000ffff4cf8 rax 0xffffffff82ccbff0 cpu_info_full_primary+0x1ff0 r8 0xffff80002bcaa9c0 r9 0x8080808080808080 r10 0xa3f4d2d36c9f0a62 r11 0xc1dc239ef3a1cc6a r12 0 r13 0x1 r14 0xffff800000e7c028 r15 0x3 rip 0xffffffff8201acac db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002bcaaa10 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.3) tid=360083 pid=1371 tcnt=1 stat=onproc flags process=8001018 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000ffff4cf8 forw=0xffffffffffffffff, list=0xffff8000ffff5c58,0xffff8000ffff42c8 process=0xffff8000ffffb9c0 user=0xffff80002bca5000, vmspace=0xfffffd805bcbfc08 estcpu=36, cpticks=34, pctcpu=0.1, user=0, sys=8, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 4416 146461 64330 60928 2 0x8000010 syz-executor.5 4416 369419 64330 60928 2 0xc000010 syz-executor.5 4416 60911 64330 60928 3 0xc000090 fsleep syz-executor.5 16184 315117 3675 0 2 0x8000000 syz-executor.0 16184 425674 3675 0 3 0xc000080 netcon2 syz-executor.0 16184 206716 3675 0 2 0xc000000 syz-executor.0 91837 279102 47016 0 2 0x8000000 syz-executor.4 91837 467845 47016 0 2 0xc000000 syz-executor.4 91837 270134 47016 0 3 0xc000080 fsleep syz-executor.4 20829 107699 38608 0 2 0x8000002 syz-executor.2 32521 376229 38608 0 2 0x8000482 syz-executor.3 20353 461132 1 0 2 0x18100083 getty 64330 431419 38608 0 2 0x8000482 syz-executor.5 3675 337356 38608 0 2 0x8000482 syz-executor.0 47016 440817 38608 0 2 0x8000482 syz-executor.4 93242 445679 38608 0 2 0x8000482 syz-executor.7 33500 256075 0 0 3 0x14200 acct acct 39716 147534 38608 0 2 0x8000002 syz-executor.6 6110 402841 38608 0 7 0x8000002 syz-executor.1 13177 249314 0 0 3 0x14200 bored sosplice 38608 185374 8077 0 3 0x1a000082 wait syz-fuzzer 38608 415310 8077 0 2 0x1e000482 syz-fuzzer 38608 503637 8077 0 3 0x1e000082 wait syz-fuzzer 38608 245983 8077 0 3 0x1e000082 thrsleep syz-fuzzer 38608 40744 8077 0 3 0x1e000082 thrsleep syz-fuzzer 38608 156730 8077 0 3 0x1e000082 wait syz-fuzzer 38608 109394 8077 0 3 0x1e000082 wait syz-fuzzer 38608 320509 8077 0 3 0x1e000082 kqread syz-fuzzer 38608 311419 8077 0 3 0x1e000082 wait syz-fuzzer 38608 380887 8077 0 3 0x1e000082 thrsleep syz-fuzzer 38608 76429 8077 0 3 0x1e000082 thrsleep syz-fuzzer 38608 401997 8077 0 3 0x1e000082 wait syz-fuzzer 38608 495428 8077 0 3 0x1e000082 wait syz-fuzzer 38608 267464 8077 0 3 0x1e000082 wait syz-fuzzer 38608 89196 8077 0 2 0x1e000002 syz-fuzzer 38608 161811 8077 0 3 0x1e000082 thrsleep syz-fuzzer 8077 251421 3453 0 3 0x810008a sigsusp ksh 3453 183758 38086 0 3 0x1800009a kqread sshd 38086 63881 1 0 3 0x18000088 kqread sshd 22542 155831 31611 73 2 0x19100090 syslogd 31611 165538 1 0 3 0x18100082 sbwait syslogd 35097 186769 1 0 3 0x18100080 kqread resolvd 12670 85929 75142 77 3 0x18100092 kqread dhcpleased 96208 451676 75142 77 3 0x18100092 kqread dhcpleased 75142 115732 1 0 3 0x18000080 kqread dhcpleased 93787 508168 0 0 3 0x14200 bored smr 51388 49881 0 0 2 0x14200 zerothread 22456 495338 0 0 3 0x14200 aiodoned aiodoned 45531 462234 0 0 3 0x14200 syncer update 80423 57174 0 0 3 0x14200 cleaner cleaner 12167 263855 0 0 3 0x14200 kmmaplk reaper 78069 403143 0 0 3 0x14200 pgdaemon pagedaemon 44652 234898 0 0 3 0x14200 bored viomb 70902 468509 0 0 3 0x40014200 acpi0 acpi0 69263 327565 0 0 3 0x40014200 idle1 50704 51165 0 0 3 0x14200 bored softnet3 43534 485958 0 0 3 0x14200 bored softnet2 59708 230454 0 0 3 0x14200 bored softnet1 58047 450844 0 0 3 0x14200 bored softnet0 27487 468892 0 0 3 0x14200 bored systqmp 15612 337776 0 0 3 0x14200 bored systq 75378 106279 0 0 2 0x14200 softclockmp 44415 374054 0 0 2 0x40014200 softclock 95329 410796 0 0 3 0x40014200 idle0 1 147690 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 4416 (syz-executor.5) thread 0xffff80002a20e7d0 (369419) exclusive rwlock futex r = 0 (0xffffffff82d0f2e0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 sys_futex+0x60 sys/kern/sys_futex.c:98 #2 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #2 syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 #3 Xsyscall+0x128 Process 91837 (syz-executor.4) thread 0xffff80002a2479d8 (467845) exclusive rwlock vmmaplk r = 0 (0xfffffd806efd60f8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5291 #3 uvmfault_lookup+0xb6 sys/uvm/uvm_fault.c:1779 #4 uvm_fault_check+0x63d uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] #4 uvm_fault_check+0x63d sys/uvm/uvm_fault.c:710 #5 uvm_fault+0xf2 sys/uvm/uvm_fault.c:600 #6 kpageflttrap+0x238 sys/arch/amd64/amd64/trap.c:279 #7 kerntrap+0xf2 sys/arch/amd64/amd64/trap.c:332 #8 alltraps_kern_meltdown+0x7b #9 _copyin+0x57 #10 pipe_write+0x36f sys/kern/sys_pipe.c:561 #11 dofilewritev+0x1a9 sys/kern/sys_generic.c:375 #12 sys_write+0x87 sys/kern/sys_generic.c:295 #13 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #13 syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 Process 39716 (syz-executor.6) thread 0xffff80002a2474b8 (147534) exclusive rrwlock inode r = 0 (0xfffffd806b612f80) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x46 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xe6 sys/ufs/ufs/ufs_vnops.c:1117 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3077 #10 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #10 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80789072c0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 #6 namei+0x56a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3062 #8 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #8 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 6110 (syz-executor.1) thread 0xffff8000371d67f8 (402841) exclusive rwlock vmmaplk r = 0 (0xfffffd805bcbf460) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5291 #3 uvmspace_fork+0xfe sys/uvm/uvm_map.c:3861 #4 process_new+0x3dc sys/kern/kern_fork.c:278 #5 fork1+0x2ef sys/kern/kern_fork.c:399 #6 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #6 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd805bcbf7d0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5291 #3 uvmspace_fork+0x3b sys/uvm/uvm_map.c:3852 #4 process_new+0x3dc sys/kern/kern_fork.c:278 #5 fork1+0x2ef sys/kern/kern_fork.c:399 #6 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #6 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10197 6512K 6899K 166960K 15508 0 pcb 17 14K 16K 166960K 673 0 rtable 246 16K 16K 166960K 1655 0 pf 31 9K 10K 166960K 268 0 ifaddr 46 16K 16K 166960K 254 0 ifgroup 54 2K 2K 166960K 432 0 sysctl 4 1K 1K 166960K 12 0 counters 66 36K 37K 166960K 268 0 ioctlops 0 0K 4K 166960K 1847 0 iov 0 0K 20K 166960K 242 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1396 88K 88K 166960K 4193 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 13K 166960K 116 0 VM map 2 1K 1K 166960K 2 0 sem 18 1K 1K 166960K 177 0 dirhash 12 2K 3K 166960K 264 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 15 53K 89K 166960K 3975 0 sigio 0 0K 0K 166960K 92 0 proc 61 103K 115K 166960K 1645 0 subproc 104 6K 7K 166960K 496 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 627 0 in_multi 98 7K 7K 166960K 539 0 ether_multi 1 0K 0K 166960K 29 0 mrt 1 0K 0K 166960K 33 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 109 493K 493K 166960K 109 0 exec 0 0K 1K 166960K 1165 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 296 92K 130K 166960K 37243 0 UVM aobj 71 3K 3K 166960K 72 0 pinsyscall 36 72K 100K 166960K 5974 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 231 0 NDP 12 0K 2K 166960K 190 0 temp 76 6820K 7316K 166960K 112740 0 kqueue 12 18K 28K 166960K 575 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 120 602 0 599 6 2 4 4 0 8 3 rtentry 112 519 0 409 4 0 4 4 0 8 0 unpcb 144 3006 0 2992 9 8 1 3 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 87 0 87 4 4 0 1 0 8 0 tcpcb 808 1019 0 1009 20 18 2 6 0 8 1 arp 120 86 0 70 1 0 1 1 0 8 0 inpcb 384 4110 0 4099 38 35 3 8 0 8 1 ip6q 72 2 0 2 2 2 0 1 0 8 0 ip6af 40 4 0 4 2 2 0 1 0 8 0 nd6 136 151 0 121 2 0 2 2 0 8 0 pkpcb 40 15 0 15 8 7 1 1 0 8 1 kcovpl 48 38 0 30 1 0 1 1 0 8 0 ppxss 1168 25 0 25 11 11 0 1 0 8 0 pffrag 232 30 0 29 2 1 1 1 0 482 0 pffrnode 88 29 0 28 2 1 1 1 0 8 0 pffrent 40 136 0 135 3 2 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 24 333 0 283 1 0 1 1 0 8 0 pfstkey 128 333 0 283 2 0 2 2 0 8 0 pfstate 376 333 0 283 10 4 6 6 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 1 2 1 1 2 0 8 0 art_heap4 256 1988 0 1500 46 15 31 31 0 8 0 art_table 32 1990 0 1501 4 0 4 4 0 8 0 art_node 16 501 0 401 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 8 1 0 1 1 0 8 0 semupl 112 5 0 5 2 2 0 1 0 8 0 semapl 112 168 0 152 1 0 1 1 0 8 0 shmpl 112 69 0 1 2 0 2 2 0 8 0 dirhash 1024 185 0 168 3 0 3 3 0 8 0 dino2pl 256 8228 0 6690 97 0 97 97 0 8 0 ffsino 272 8228 0 6690 104 0 104 104 0 8 0 nchpl 144 13851 0 12107 67 0 67 67 0 8 0 uvmvnodes 80 9070 0 0 186 0 186 186 0 8 0 vnodes 216 9070 0 0 504 0 504 504 0 8 0 namei 1024 49449 0 49447 7 6 1 2 0 8 0 percpumem 16 148 0 101 1 0 1 1 0 8 0 vcpupl 3904 19 0 2 3 0 3 3 0 8 0 vmpool 696 41 0 24 3 1 2 2 0 8 0 kstatmem 264 226 0 202 2 0 2 2 0 8 0 scsiplug 72 20 0 20 10 10 0 1 0 8 0 scxspl 216 94445 0 94445 32 31 1 8 1 8 1 plimitpl 152 622 0 607 1 0 1 1 0 8 0 sigapl 424 4259 0 4212 8 2 6 8 0 8 0 futexpl 64 59425 0 59422 7 6 1 1 0 8 0 knotepl 120 866 0 0 18 0 18 18 0 8 0 kqueuepl 216 1147 0 1139 1 0 1 1 0 8 0 pipepl 320 681 0 650 6 3 3 6 0 8 0 fdescpl 496 4218 0 4192 7 3 4 5 0 8 0 filepl 152 26903 0 26656 24 7 17 17 0 8 6 lockfpl 104 1009 0 1007 2 1 1 2 0 8 0 lockfspl 48 407 0 405 1 0 1 1 0 8 0 sessionpl 144 58 0 42 1 0 1 1 0 8 0 pgrppl 48 126 0 110 1 0 1 1 0 8 0 ucredpl 104 4867 0 4853 1 0 1 1 0 8 0 zombiepl 144 4587 0 4585 3 2 1 1 0 8 0 processpl 1136 4259 0 4212 9 4 5 6 0 8 0 procpl 656 9036 0 8966 10 2 8 9 0 8 0 srpgc 96 26 0 26 10 10 0 1 0 8 0 sosppl 168 70 0 69 19 18 1 1 0 8 0 sockpl 664 7780 0 7752 52 42 10 13 0 8 7 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 519 0 0 50 7 43 50 0 8 0 mtagpl 96 34 0 0 1 0 1 1 0 8 0 mbufpl 256 1397 0 0 66 0 66 66 0 8 0 bufpl 280 15797 0 6664 653 0 653 653 0 8 0 anonpl 24 674242 0 665030 146 77 69 88 0 186 0 amapchunkpl 152 122779 0 122085 104 68 36 41 0 158 4 amappl16 200 15990 0 15663 49 29 20 21 0 8 2 amappl15 192 8 0 8 3 3 0 1 0 8 0 amappl14 184 261 0 250 2 1 1 2 0 8 0 amappl13 176 13 0 13 2 2 0 1 0 8 0 amappl12 168 5373 0 5344 2 0 2 2 0 8 0 amappl11 160 53 0 43 1 0 1 1 0 8 0 amappl10 152 79 0 70 1 0 1 1 0 8 0 amappl9 144 247 0 247 3 3 0 1 0 8 0 amappl8 136 285 0 246 2 0 2 2 0 8 0 amappl7 128 67 0 51 1 0 1 1 0 8 0 amappl6 120 729 0 716 2 0 2 2 0 8 0 amappl5 112 320 0 307 1 0 1 1 0 8 0 amappl4 104 777 0 742 3 1 2 3 0 8 0 amappl3 96 22857 0 22772 3 0 3 3 0 8 0 amappl2 88 4702 0 4630 5 3 2 5 0 8 0 amappl1 80 23516 0 23023 22 10 12 22 0 8 0 amappl 88 36159 0 35960 6 0 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 71 0 1 2 0 2 2 0 8 0 uaddrrnd 24 4259 0 4215 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4259 0 4215 1 0 1 1 0 8 0 vmmpekpl 168 32132 0 32065 4 0 4 4 0 8 0 vmmpepl 168 272271 0 270241 192 92 100 116 0 357 2 vmsppl 440 4258 0 4215 7 1 6 6 0 8 0 rwobjpl 56 78762 0 68321 157 8 149 149 0 8 0 pdppl 4096 8525 0 8447 334 252 82 86 0 8 4 pvpl 32 48752 0 0 396 2 394 394 0 265 0 pmappl 248 4258 0 4215 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 748 0 313 13 0 13 13 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 witness_checkorder(ffff800000e7c028,9,0) at witness_checkorder+0x140 rw_enter_write(ffff800000e7c018) at rw_enter_write+0x5f sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000e7c000) at unveil_delete_names+0x34 sys/kern/kern_unveil.c:102 unveil_destroy(ffff8000ffffb9c0) at unveil_destroy+0x9d sys/kern/kern_unveil.c:183 exit1(ffff8000ffff4cf8,0,0,1) at exit1+0x3d9 sys/kern/kern_exit.c:218 sys_exit(ffff8000ffff4cf8,ffff80002bcaad60,ffff80002bcaacb0) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002bcaad60) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002bcaad60) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7750f0f5a840, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff82d78770) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d78770) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82d78770,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x491 sys/kern/sched_bsd.c:470 yield() at yield+0x5d sys/kern/sched_bsd.c:324 pool_get(ffffffff82e19450,1) at pool_get+0x1a0 sys/kern/subr_pool.c:589 uvm_mapent_alloc(fffffd805bcbf370,0) at uvm_mapent_alloc+0x2c7 sys/uvm/uvm_map.c:1536 uvm_map_mkentry(fffffd805bcbf370,fffffd8069537838,fffffd8069537838,20000000,1000000,0,4bc1cb6536ef928a,1000000) at uvm_map_mkentry+0x75 sys/uvm/uvm_map.c:1439 uvm_mapent_clone(fffffd805bcbf370,20000000,1000000,0,3,7,556fbf375bc464ff,fffffd806b75e6f8,ffff80002d6d0b38,fffffd805bcbf370) at uvm_mapent_clone+0x9f sys/uvm/uvm_map.c:3590 uvm_mapent_forkcopy(1,fffffd805bcbf370,fffffd805bcbf6e0,fffffd806b75e6f8,ffff80002d6d0b38) at uvm_mapent_forkcopy+0x65 sys/uvm/uvm_map.c:3682 uvmspace_fork(ffff80002a211f30) at uvmspace_fork+0x223 sys/uvm/uvm_map.c:3885 process_new(ffff80002a20ef80,ffff80002a211f30,1) at process_new+0x3dc sys/kern/kern_fork.c:278 fork1(ffff8000371d67f8,1,ffffffff825f47f0,0,ffff80002d6d0d20,0) at fork1+0x2ef sys/kern/kern_fork.c:399 syscall(ffff80002d6d0dd0) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002d6d0dd0) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7999e3415840, count: -17