witness: lock order reversal: 1st 0xfffffd806be182e0 vmmaplk (&map->lock) 2nd 0xfffffd80719a72c0 inode (&ip->i_lock) lock order [1] vmmaplk (&map->lock) -> [2] inode (&ip->i_lock) #0 rw_enter+0x122 #1 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #2 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #3 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #4 vn_rdwr+0xd1 sys/kern/vfs_vnops.c:320 #5 vndstrategy+0x4ff sys/dev/vnd.c:342 #6 physio+0x2f6 sys/kern/kern_physio.c:162 #7 spec_read+0x155 sys/kern/spec_vnops.c:215 #8 VOP_READ+0x102 sys/kern/vfs_vops.c:227 #9 vn_read+0x17b sys/kern/vfs_vnops.c:369 #10 dofilereadv+0x230 sys/kern/sys_generic.c:252 #11 sys_read+0xa2 sys/kern/sys_generic.c:172 #12 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #12 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 lock order [2] inode (&ip->i_lock) -> [1] vmmaplk (&map->lock) #0 rw_enter_read+0xab sys/kern/kern_rwlock.c:112 #1 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1819 #2 uvm_fault_check+0x49 sys/uvm/uvm_fault.c:672 #3 uvm_fault+0xf5 sys/uvm/uvm_fault.c:600 #4 kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 #5 kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 #6 alltraps_kern_meltdown+0x7b #7 copyout+0x57 #8 ffs_read+0x422 sys/ufs/ffs/ffs_vnops.c:254 #9 VOP_READ+0x102 sys/kern/vfs_vops.c:227 #10 vn_rdwr+0x15b #11 vmcmd_map_readvn+0x142 sys/kern/exec_subr.c:249 #12 exec_process_vmcmds+0xfb sys/kern/exec_subr.c:139 #13 sys_execve+0xbe4 sys/kern/kern_exec.c:468 #14 start_init+0x3c6 sys/kern/init_main.c:714 #15 proc_trampoline+0x10 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(fffffd80719a72c0,9,0) at witness_checkorder+0x1047 rw_enter(fffffd80719a72b0,1) at rw_enter+0x122 rrw_enter(fffffd80719a72b0,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd8068ac7558,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd8068ac7558,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vn_rdwr(0,fffffd8068ac7558,ffff800011a26340,cd,0,1,6ce074d2280875d9,0,ffff800000b3e000,0) at vn_rdwr+0xd1 sys/kern/vfs_vnops.c:320 vndstrategy(fffffd8068a83020) at vndstrategy+0x4ff sys/dev/vnd.c:342 physio(ffffffff81206c10,2902,8000,ffffffff817cdc60,ffff800030980a08) at physio+0x2f6 sys/kern/kern_physio.c:162 spec_read(ffff800030980870) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd806e717eb8,ffff800030980a08,0,fffffd807f7d3680) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd806bdb53b0,ffff800030980a08,0) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000ffff2a40,5,ffff800030980a08,0,ffff800030980ac0) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_read(ffff8000ffff2a40,ffff800030980b70,ffff800030980ac0) at sys_read+0xa2 sys/kern/sys_generic.c:172 syscall(ffff800030980b70) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff800030980b70) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9514ecc0cd0, count: -16 ddb{1}> show registers rdi 0 rsi 0x40000 acpi_pdirpa+0x2be71 rbp 0xffff800030980330 rbx 0xfffffd80042c9570 rdx 0xffff8000012a3380 rcx 0xffff8000ffff2a40 rax 0x3ffff acpi_pdirpa+0x2be70 r8 0xffff800030980210 r9 0x8080808080808080 r10 0x66eadfe2c02bc7de r11 0xb341726214d731bc r12 0 r13 0xfffffd8003ae0e00 r14 0x3 r15 0xffffffff rip 0xffffffff817ca965 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800030980320 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=100400 pid=14035 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=80, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff2cc8,0xffff8000ffff27c8 process=0xffff8000ffff5fd0 user=0xffff80003097b000, vmspace=0xfffffd806be181e8 estcpu=30, cpticks=1, pctcpu=1.2, user=0, sys=104, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 72641 186535 57216 0 2 0 syz-executor 24440 139020 61790 0 2 0 syz-executor 24440 435685 61790 0 3 0x4000080 fsleep syz-executor 86070 231534 62831 0 2 0 syz-executor 86070 379455 62831 0 3 0x4000080 fsleep syz-executor 26018 135932 90252 0 7 0 syz-executor 26018 281686 90252 0 3 0x4000080 lockf syz-executor 14035 20165 7819 0 2 0 syz-executor *14035 100400 7819 0 7 0x4000000 syz-executor 14035 461483 7819 0 3 0x4000080 fsleep syz-executor 84462 455211 1 0 3 0x100083 ttyin getty 43594 474352 0 0 3 0x14200 bored sosplice 6832 273668 55081 0 2 0x2 syz-executor 61790 513420 55081 0 3 0x82 nanoslp syz-executor 62831 422182 55081 0 3 0x82 nanoslp syz-executor 7819 251184 55081 0 3 0x82 nanoslp syz-executor 57216 26858 55081 0 3 0x82 nanoslp syz-executor 36890 512344 55081 0 3 0x2 biowait syz-executor 90252 153146 55081 0 3 0x82 nanoslp syz-executor 20745 82437 55081 0 2 0x2 syz-executor 55081 215193 65495 0 3 0x82 kqread syz-executor 65495 186799 92571 0 3 0x10008a sigsusp ksh 92571 319149 45190 0 3 0x98 kqread sshd-session 45190 244371 97887 0 3 0x92 kqread sshd-session 97887 333016 1 0 3 0x88 kqread sshd 50232 69717 39864 74 3 0x1100092 bpf pflogd 39864 374181 1 0 3 0x80 sbwait pflogd 1497 404097 70542 73 3 0x1100090 kqread syslogd 70542 63775 1 0 3 0x100082 sbwait syslogd 40298 240474 1 0 3 0x100080 kqread resolvd 59638 504277 38676 77 3 0x100092 kqread dhcpleased 48288 452641 38676 77 3 0x100092 kqread dhcpleased 38676 389088 1 0 3 0x80 kqread dhcpleased 72781 171371 0 0 3 0x14200 bored smr 59595 244738 0 0 2 0x14200 zerothread 3152 308585 0 0 3 0x14200 aiodoned aiodoned 3748 4677 0 0 3 0x14200 syncer update 61303 411889 0 0 3 0x14200 cleaner cleaner 61608 315686 0 0 3 0x14200 reaper reaper 52049 208908 0 0 3 0x14200 pgdaemon pagedaemon 86851 78721 0 0 3 0x14200 bored viomb 49737 106700 0 0 3 0x40014200 acpi0 acpi0 25203 127529 0 0 3 0x40014200 idle1 66400 384761 0 0 3 0x14200 bored softnet3 24329 466838 0 0 3 0x14200 bored softnet2 70032 241526 0 0 3 0x14200 bored softnet1 26228 311930 0 0 3 0x14200 bored softnet0 61745 132044 0 0 3 0x14200 bored systqmp 6067 442121 0 0 3 0x14200 bored systq 49795 25332 0 0 3 0x14200 tmoslp softclockmp 60353 69964 0 0 3 0x40014200 tmoslp softclock 17480 147657 0 0 3 0x40014200 idle0 1 482546 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 14035 (syz-executor) thread 0xffff8000ffff2a40 (100400) shared rwlock vmmaplk r = 0 (0xfffffd806be182e0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvm_vslock_device+0x149 sys/uvm/uvm_glue.c:172 #2 physio+0x277 sys/kern/kern_physio.c:139 #3 spec_read+0x155 sys/kern/spec_vnops.c:215 #4 VOP_READ+0x102 sys/kern/vfs_vops.c:227 #5 vn_read+0x17b sys/kern/vfs_vnops.c:369 #6 dofilereadv+0x230 sys/kern/sys_generic.c:252 #7 sys_read+0xa2 sys/kern/sys_generic.c:172 #8 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #8 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff836331e0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 vn_read+0x56 sys/kern/vfs_vnops.c:351 #2 dofilereadv+0x230 sys/kern/sys_generic.c:252 #3 sys_read+0xa2 sys/kern/sys_generic.c:172 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 Process 6832 (syz-executor) thread 0xffff800029fd91c0 (273668) exclusive rrwlock inode r = 0 (0xfffffd806bbb6c58) #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 (0xfffffd806bbb63d8) #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 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:178 [inline] #12 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 Process 36890 (syz-executor) thread 0xffff80002a03f6e0 (512344) exclusive rrwlock inode r = 0 (0xfffffd806de90a28) #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 (0xfffffd806cd774e8) #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 20745 (syz-executor) thread 0xffff80002a03ea38 (82437) exclusive rrwlock inode r = 0 (0xfffffd806bbb6708) #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 (0xfffffd806cd77708) #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10237 11386K 11386K 166960K 12062 0 pcb 17 18K 20K 166960K 219 0 rtable 247 8K 8K 166960K 422 0 pf 34 17K 19K 166960K 75 0 ifaddr 44 7K 8K 166960K 61 0 ifgroup 55 2K 2K 166960K 83 0 sysctl 3 1K 1K 166960K 5 0 counters 64 36K 37K 166960K 86 0 ioctlops 0 0K 4K 166960K 1548 0 iov 0 0K 16K 166960K 24 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1455 91K 92K 166960K 1837 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 7 0 VM map 2 1K 1K 166960K 2 0 sem 15 3K 3K 166960K 29 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 15 53K 85K 166960K 606 0 sigio 0 0K 0K 166960K 79 0 proc 72 91K 128K 166960K 574 0 subproc 104 6K 6K 166960K 104 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 228 0 in_multi 99 7K 7K 166960K 125 0 ether_multi 1 0K 0K 166960K 5 0 mrt 1 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 428 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 210 72K 87K 166960K 7344 0 UVM aobj 25 3K 3K 166960K 25 0 pinsyscall 40 80K 102K 166960K 1729 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 34 0 NDP 12 0K 2K 166960K 40 0 temp 50 6817K 6896K 166960K 22646 0 kqueue 14 22K 28K 166960K 108 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 65 0 62 1 0 1 1 0 8 0 rtentry 112 125 0 12 4 0 4 4 0 8 0 unpcb 144 259 0 241 2 0 2 2 0 8 1 syncache 336 5 0 5 3 2 1 1 0 8 1 tcpcb 808 265 0 261 8 3 5 8 0 8 4 arp 120 22 0 2 1 0 1 1 0 8 0 inpcb 336 1054 0 1047 21 12 9 18 0 8 8 nd6 136 25 0 1 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 1 0 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1168 9 0 9 1 1 0 1 0 8 0 pffrag 232 4 0 2 1 0 1 1 0 482 0 pffrnode 88 4 0 2 1 0 1 1 0 8 0 pffrent 40 53 0 51 1 0 1 1 0 8 0 pfosfp 40 1429 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1429 0 714 21 0 21 21 0 8 0 pfstitem 24 64 0 16 1 0 1 1 0 8 0 pfstkey 128 64 0 16 2 0 2 2 0 8 0 pfstate 376 64 0 16 6 0 6 6 0 8 0 pfrule 1344 23 0 18 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 490 0 33 31 0 31 31 0 8 1 art_table 32 492 0 33 4 0 4 4 0 8 0 art_node 16 122 0 21 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 5 1 0 1 1 0 8 0 semupl 112 2 0 2 2 1 1 1 0 8 1 semapl 112 20 0 7 1 0 1 1 0 8 0 shmpl 112 22 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2476 0 974 95 0 95 95 0 8 0 ffsino 272 2476 0 974 102 0 102 102 0 8 0 nchpl 144 3375 0 1689 63 0 63 63 0 8 0 uvmvnodes 80 2860 0 0 59 0 59 59 0 8 0 vnodes 216 2860 0 0 159 0 159 159 0 8 0 namei 1024 11312 0 11311 2 1 1 1 0 8 0 percpumem 16 57 0 11 1 0 1 1 0 8 0 kstatmem 264 46 0 22 3 0 3 3 0 8 1 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 9734 0 9733 11 3 8 8 1 8 7 plimitpl 152 161 0 144 1 0 1 1 0 8 0 sigapl 424 921 0 873 7 1 6 7 0 8 0 futexpl 64 7302 0 7299 1 0 1 1 0 8 0 knotepl 120 522 0 0 16 0 16 16 0 8 0 kqueuepl 216 237 0 227 5 3 2 5 0 8 1 pipepl 320 165 0 138 4 0 4 4 0 8 1 fdescpl 496 901 0 872 5 0 5 5 0 8 0 filepl 152 5606 0 5358 18 3 15 18 0 8 4 lockfpl 104 187 0 182 1 0 1 1 0 8 0 lockfspl 48 79 0 75 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 108 0 91 1 0 1 1 0 8 0 ucredpl 104 855 0 841 1 0 1 1 0 8 0 zombiepl 144 873 0 873 1 0 1 1 0 8 1 processpl 1160 921 0 873 4 0 4 4 0 8 0 procpl 648 1707 0 1654 7 1 6 7 0 8 1 sosppl 168 6 0 6 2 1 1 1 0 8 1 sockpl 664 1384 0 1356 23 11 12 20 0 8 8 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 165 0 0 21 0 21 21 0 8 0 mcl2k 2048 26 0 0 4 0 4 4 0 8 0 mtagpl 96 80 0 0 2 0 2 2 0 8 0 mbufpl 256 392 0 0 25 0 25 25 0 8 0 bufpl 280 4196 0 101 293 0 293 293 0 8 0 anonpl 24 202410 0 199234 50 9 41 47 0 185 15 amapchunkpl 152 23955 0 23541 31 1 30 30 0 158 7 amappl16 200 5426 0 5396 17 12 5 15 0 8 2 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 125 0 113 1 0 1 1 0 8 0 amappl13 176 14 0 14 1 1 0 1 0 8 0 amappl12 168 1602 0 1574 3 1 2 2 0 8 0 amappl11 160 67 0 53 1 0 1 1 0 8 0 amappl10 152 9 0 8 1 0 1 1 0 8 0 amappl9 144 164 0 164 1 1 0 1 0 8 0 amappl8 136 29 0 27 1 0 1 1 0 8 0 amappl7 128 189 0 176 1 0 1 1 0 8 0 amappl6 120 180 0 179 1 0 1 1 0 8 0 amappl5 112 136 0 125 1 0 1 1 0 8 0 amappl4 104 326 0 308 1 0 1 1 0 8 0 amappl3 96 4418 0 4338 3 0 3 3 0 8 0 amappl2 88 1200 0 1118 3 0 3 3 0 8 0 amappl1 80 9533 0 8984 14 0 14 14 0 8 0 amappl 88 6898 0 6750 5 0 5 5 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 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 2 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 24 0 0 1 0 1 1 0 8 0 uaddrrnd 24 902 0 873 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 902 0 873 1 0 1 1 0 8 0 vmmpekpl 168 8723 0 8688 3 0 3 3 0 8 0 vmmpepl 168 64010 0 62281 94 5 89 94 0 357 5 vmsppl 448 901 0 873 6 2 4 5 0 8 0 rwobjpl 56 24290 0 20511 56 1 55 55 0 8 0 pdppl 4096 1811 0 1746 101 32 69 81 0 8 4 pvpl 32 14395 0 0 117 0 117 117 0 265 0 pmappl 248 901 0 873 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 431 0 55 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(ffffffff83472ff0) 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(ffffffff83632fd8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83632fd8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff800030986950,ffff800000069c00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __mp_lock(ffffffff83632fd8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83632fd8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff800030986ab0,ffff800000079e00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge25_untramp() at Xintr_ioapic_edge25_untramp+0x18f __mp_lock(ffffffff83632fd8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83632fd8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff800030986c10,ffff800000079f80) 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: 0x7a3e3fe6dad0, count: -12 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(fffffd80719a72c0,9,0) at witness_checkorder+0x1047 rw_enter(fffffd80719a72b0,1) at rw_enter+0x122 rrw_enter(fffffd80719a72b0,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd8068ac7558,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd8068ac7558,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vn_rdwr(0,fffffd8068ac7558,ffff800011a26340,cd,0,1,6ce074d2280875d9,0,ffff800000b3e000,0) at vn_rdwr+0xd1 sys/kern/vfs_vnops.c:320 vndstrategy(fffffd8068a83020) at vndstrategy+0x4ff sys/dev/vnd.c:342 physio(ffffffff81206c10,2902,8000,ffffffff817cdc60,ffff800030980a08) at physio+0x2f6 sys/kern/kern_physio.c:162 spec_read(ffff800030980870) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd806e717eb8,ffff800030980a08,0,fffffd807f7d3680) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd806bdb53b0,ffff800030980a08,0) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000ffff2a40,5,ffff800030980a08,0,ffff800030980ac0) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_read(ffff8000ffff2a40,ffff800030980b70,ffff800030980ac0) at sys_read+0xa2 sys/kern/sys_generic.c:172 syscall(ffff800030980b70) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff800030980b70) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9514ecc0cd0, count: -16