witness: lock order reversal: 1st 0xfffffd806bc9a2e0 vmmaplk (&map->lock) 2nd 0xfffffd806de3bc48 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{0}> 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(fffffd806de3bc48,9,0) at witness_checkorder+0x1047 rw_enter(fffffd806de3bc38,1) at rw_enter+0x122 rrw_enter(fffffd806de3bc38,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd805f273a28,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd805f273a28,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vn_rdwr(0,fffffd805f273a28,ffff800011a26140,df,0,1,641e6853e88028d5,0,ffff800000b3e000,0) at vn_rdwr+0xd1 sys/kern/vfs_vnops.c:320 vndstrategy(fffffd80602e7a10) at vndstrategy+0x4ff sys/dev/vnd.c:342 physio(ffffffff81f882e0,2902,8000,ffffffff820e6e60,ffff80003726ec98) at physio+0x2f6 sys/kern/kern_physio.c:162 spec_read(ffff80003726eb00) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd8078dc2c30,ffff80003726ec98,0,fffffd807f7d3548) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd805f212260,ffff80003726ec98,0) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000fffeca58,4,ffff80003726ec98,0,ffff80003726ed50) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_read(ffff8000fffeca58,ffff80003726ee00,ffff80003726ed50) at sys_read+0xa2 sys/kern/sys_generic.c:172 syscall(ffff80003726ee00) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80003726ee00) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb061a0bb8a0, count: -16 ddb{0}> show registers rdi 0 rsi 0x40000 acpi_pdirpa+0x2be71 rbp 0xffff80003726e5c0 rbx 0xfffffd80042cc2c8 rdx 0xffff8000012a0d40 rcx 0xffff8000fffeca58 rax 0x3ffff acpi_pdirpa+0x2be70 r8 0xffff80003726e4a0 r9 0x8080808080808080 r10 0x31a5859c5843934d r11 0x46350485b9c36f91 r12 0 r13 0xfffffd8003ae3e00 r14 0x3 r15 0xffffffff rip 0xffffffff82b713d5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003726e5b0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=384639 pid=35037 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffec548,0xffffffff83631f90 process=0xffff8000fffe8008 user=0xffff800037269000, vmspace=0xfffffd806bc9a1e8 estcpu=34, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 35037 38597 7780 0 2 0 syz-executor 35037 69128 7780 0 2 0x4000000 syz-executor *35037 384639 7780 0 7 0x4000000 syz-executor 72428 286429 41421 0 2 0 syz-executor 72428 70676 41421 0 2 0x4000000 syz-executor 38096 33784 78153 0 2 0x82000 syz-executor 38096 236029 78153 0 3 0x4002000 suspend syz-executor 39853 325748 51968 0 2 0 syz-executor 39853 265179 51968 0 3 0x4000080 fsleep syz-executor 7275 454214 11580 0 2 0 syz-executor 7275 21362 11580 0 3 0x4000080 kqsel syz-executor 7275 296386 11580 0 3 0x4000080 fsleep syz-executor 51968 201294 65802 0 2 0x482 syz-executor 55655 406610 1 0 3 0x80 nanoslp init 87939 434142 0 0 3 0x14280 nfsidl nfsio 18773 206888 0 0 3 0x14280 nfsidl nfsio 64483 32567 0 0 3 0x14280 nfsidl nfsio 89835 17119 0 0 3 0x14280 nfsidl nfsio 5104 240288 0 0 3 0x14280 nfsidl nfsio 82471 410246 0 0 3 0x14280 nfsidl nfsio 52446 435610 0 0 3 0x14280 nfsidl nfsio 77314 195015 0 0 3 0x14280 nfsidl nfsio 12786 309930 0 0 3 0x14280 nfsidl nfsio 62743 418166 0 0 3 0x14280 nfsidl nfsio 98278 436728 0 0 3 0x14280 nfsidl nfsio 35367 475819 0 0 3 0x14280 nfsidl nfsio 72089 108319 0 0 3 0x14280 nfsidl nfsio 98915 395307 0 0 3 0x14280 nfsidl nfsio 28813 459071 0 0 3 0x14280 nfsidl nfsio 24827 512952 0 0 3 0x14280 nfsidl nfsio 67045 356075 0 0 3 0x14280 nfsidl nfsio 30514 118332 0 0 3 0x14280 nfsidl nfsio 32220 337244 0 0 3 0x14280 nfsidl nfsio 83701 168524 0 0 3 0x14280 nfsidl nfsio 25580 455901 0 0 3 0x14200 bored sosplice 56983 103877 65802 0 2 0x2 syz-executor 96183 375850 65802 0 2 0x2 syz-executor 11580 276962 65802 0 2 0x482 syz-executor 41421 115115 65802 0 2 0x482 syz-executor 7780 370683 65802 0 2 0x482 syz-executor 50624 230877 65802 0 2 0x2 syz-executor 78153 304778 65802 0 2 0x482 syz-executor 65802 377267 15248 0 3 0x82 kqread syz-executor 15248 351693 83139 0 3 0x10008a sigsusp ksh 83139 170139 76065 0 3 0x98 kqread sshd-session 76065 505843 48785 0 3 0x92 kqread sshd-session 48785 488964 1 0 3 0x88 kqread sshd 99770 263790 88736 74 3 0x1100092 bpf pflogd 88736 243700 1 0 3 0x80 sbwait pflogd 37972 252357 9977 73 3 0x1100090 kqread syslogd 9977 126962 1 0 3 0x100082 sbwait syslogd 37963 12620 1 0 3 0x100080 kqread resolvd 40796 341699 3174 77 3 0x100092 kqread dhcpleased 74046 61419 3174 77 3 0x100092 kqread dhcpleased 3174 508748 1 0 3 0x80 kqread dhcpleased 86714 166565 0 0 3 0x14200 bored smr 92557 408852 0 0 2 0x14200 zerothread 6305 106288 0 0 3 0x14200 aiodoned aiodoned 87960 71426 0 0 3 0x14200 syncer update 72104 183387 0 0 3 0x14200 cleaner cleaner 5158 147487 0 0 3 0x14200 reaper reaper 13550 144385 0 0 3 0x14200 pgdaemon pagedaemon 61554 480790 0 0 3 0x14200 bored viomb 12142 212715 0 0 3 0x40014200 acpi0 acpi0 4677 415154 0 0 7 0x40014200 idle1 63956 220269 0 0 3 0x14200 bored softnet3 70706 337202 0 0 3 0x14200 bored softnet2 2629 67730 0 0 3 0x14200 bored softnet1 48848 466773 0 0 3 0x14200 bored softnet0 64966 189813 0 0 3 0x14200 bored systqmp 3975 342224 0 0 3 0x14200 bored systq 46198 162562 0 0 2 0x14200 softclockmp 34998 301089 0 0 2 0x40014200 softclock 49550 502265 0 0 3 0x40014200 idle0 1 405721 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 35037 (syz-executor) thread 0xffff8000fffeca58 (384639) shared rwlock vmmaplk r = 0 (0xfffffd806bc9a2e0) #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 (0xffffffff8363b4e8) #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 72428 (syz-executor) thread 0xffff8000fffed478 (70676) exclusive rrwlock inode r = 0 (0xfffffd8079533810) #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_makeinode+0xcb sys/ufs/ufs/ufs_vnops.c:1732 #8 ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 #9 VOP_MKNOD+0x102 sys/kern/vfs_vops.c:121 #10 domknodat+0x47e sys/kern/vfs_syscalls.c:1624 #11 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #11 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806dee63d0) #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 domknodat+0xb4 sys/kern/vfs_syscalls.c:1576 #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 56983 (syz-executor) thread 0xffff800029fd87a0 (103877) exclusive rrwlock inode r = 0 (0xfffffd806dd5c808) #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 (0xfffffd806c5146f8) #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 96183 (syz-executor) thread 0xffff800029fd8cb0 (375850) exclusive rrwlock inode r = 0 (0xfffffd80795334e0) #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 50624 (syz-executor) thread 0xffff80002a051458 (230877) exclusive rrwlock inode r = 0 (0xfffffd806de8e2c8) #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 (0xfffffd806cd7a928) #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10231 11203K 11528K 166960K 12722 0 pcb 17 15K 16K 166960K 267 0 rtable 192 7K 7K 166960K 541 0 pf 39 18K 20K 166960K 115 0 ifaddr 40 7K 7K 166960K 89 0 ifgroup 59 2K 2K 166960K 127 0 sysctl 2 0K 0K 166960K 8 0 counters 66 36K 37K 166960K 114 0 ioctlops 0 0K 4K 166960K 1649 0 iov 0 0K 16K 166960K 125 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1496 94K 94K 166960K 2631 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 5K 13K 166960K 25 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 75 0 dirhash 12 2K 2K 166960K 36 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 15 53K 89K 166960K 1165 0 sigio 0 0K 0K 166960K 39 0 proc 64 91K 140K 166960K 653 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 348 0 in_multi 85 6K 7K 166960K 195 0 ether_multi 1 0K 0K 166960K 5 0 mrt 1 0K 0K 166960K 2 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 476 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 219 72K 88K 166960K 12242 0 UVM aobj 107 5K 6K 166960K 110 0 pinsyscall 39 78K 104K 166960K 2287 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 64 0 NDP 13 0K 2K 166960K 63 0 temp 69 6826K 7078K 166960K 51005 0 kqueue 13 20K 30K 166960K 212 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 120 168 0 165 3 0 3 3 0 8 2 rtentry 112 172 0 88 4 0 4 4 0 8 0 unpcb 144 977 0 893 7 3 4 4 0 8 0 syncache 336 6 0 6 4 3 1 1 0 8 1 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 435 0 429 12 8 4 7 0 8 3 arp 120 28 0 15 1 0 1 1 0 8 0 inpcb 336 1576 0 1566 14 7 7 7 0 8 5 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 2 0 2 1 1 0 1 0 8 0 nd6 136 36 0 13 1 0 1 1 0 8 0 pkpcb 40 8 0 8 1 1 0 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1168 16 0 16 3 2 1 1 0 8 1 pffrag 232 8 0 2 1 0 1 1 0 482 0 pffrnode 88 8 0 2 1 0 1 1 0 8 0 pffrent 40 14 0 8 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 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 103 0 31 1 0 1 1 0 8 0 pfstkey 128 103 0 31 3 0 3 3 0 8 0 pfstate 376 102 0 31 8 0 8 8 0 8 0 pfrule 1344 37 0 26 2 0 2 2 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 762 0 365 30 2 28 30 0 8 2 art_table 32 766 0 365 4 0 4 4 0 8 0 art_node 16 168 0 95 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 4 1 0 1 1 0 8 0 semapl 112 73 0 63 1 0 1 1 0 8 0 shmpl 112 107 0 3 3 0 3 3 0 8 0 dirhash 1024 34 0 17 3 0 3 3 0 8 0 dino2pl 256 3707 0 2199 95 0 95 95 0 8 0 ffsino 272 3707 0 2199 101 0 101 101 0 8 0 nchpl 144 5406 0 4821 63 38 25 63 0 8 1 uvmvnodes 80 4487 0 0 92 0 92 92 0 8 0 vnodes 216 4487 0 0 250 0 250 250 0 8 0 namei 1024 19089 0 19088 3 2 1 2 0 8 0 percpumem 16 71 0 24 1 0 1 1 0 8 0 kstatmem 264 74 0 48 2 0 2 2 0 8 0 scsiplug 72 7 0 7 3 3 0 1 0 8 0 scxspl 216 17369 0 17369 12 11 1 8 1 8 1 plimitpl 152 300 0 283 1 0 1 1 0 8 0 sigapl 424 1489 0 1421 11 2 9 9 0 8 0 futexpl 64 16519 0 16517 1 0 1 1 0 8 0 knotepl 120 560 0 0 17 0 17 17 0 8 0 kqueuepl 216 327 0 317 1 0 1 1 0 8 0 pipepl 320 241 0 213 6 3 3 6 0 8 0 fdescpl 496 1450 0 1421 5 0 5 5 0 8 0 filepl 152 10411 0 10095 24 6 18 18 0 8 5 lockfpl 104 359 0 357 1 0 1 1 0 8 0 lockfspl 48 153 0 151 1 0 1 1 0 8 0 sessionpl 144 28 0 20 1 0 1 1 0 8 0 pgrppl 48 88 0 72 1 0 1 1 0 8 0 ucredpl 104 2307 0 2293 1 0 1 1 0 8 0 zombiepl 144 1421 0 1421 1 0 1 1 0 8 1 processpl 1160 1489 0 1421 7 1 6 6 0 8 0 procpl 648 3018 0 2943 8 0 8 8 0 8 0 srpgc 96 6 0 6 2 2 0 1 0 8 0 sosppl 168 14 0 14 3 2 1 1 0 8 1 sockpl 664 2742 0 2645 17 8 9 10 0 8 0 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 124 0 0 16 0 16 16 0 8 0 mcl2k 2048 25 0 0 4 0 4 4 0 8 0 mtagpl 96 56 0 0 2 0 2 2 0 8 0 mbufpl 256 263 0 0 16 0 16 16 0 8 0 bufpl 280 6629 0 454 442 0 442 442 0 8 0 anonpl 24 249584 0 243469 93 32 61 70 0 185 7 amapchunkpl 152 40148 0 39621 47 13 34 34 0 158 9 amappl16 200 6345 0 6217 37 24 13 20 0 8 1 amappl15 192 7 0 6 1 0 1 1 0 8 0 amappl14 184 124 0 113 1 0 1 1 0 8 0 amappl13 176 9 0 9 1 1 0 1 0 8 0 amappl12 168 2115 0 2087 4 1 3 3 0 8 0 amappl11 160 128 0 114 1 0 1 1 0 8 0 amappl10 152 25 0 25 1 1 0 1 0 8 0 amappl9 144 203 0 202 1 0 1 1 0 8 0 amappl8 136 26 0 23 1 0 1 1 0 8 0 amappl7 128 125 0 114 1 0 1 1 0 8 0 amappl6 120 178 0 176 1 0 1 1 0 8 0 amappl5 112 146 0 132 1 0 1 1 0 8 0 amappl4 104 330 0 310 1 0 1 1 0 8 0 amappl3 96 7363 0 7279 3 0 3 3 0 8 0 amappl2 88 1745 0 1664 4 2 2 3 0 8 0 amappl1 80 11410 0 10869 16 3 13 14 0 8 0 amappl 88 11763 0 11601 5 0 5 5 0 92 0 dma16384 16384 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma512 512 1 0 1 1 1 0 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 109 0 3 2 0 2 2 0 8 0 uaddrrnd 24 1450 0 1421 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1450 0 1421 1 0 1 1 0 8 0 vmmpekpl 168 12619 0 12583 3 0 3 3 0 8 0 vmmpepl 168 94963 0 93131 109 16 93 99 0 357 2 vmsppl 448 1449 0 1421 6 2 4 5 0 8 0 rwobjpl 56 32271 0 26689 82 3 79 79 0 8 0 pdppl 4096 2907 0 2842 111 40 71 83 0 8 6 pvpl 32 18385 0 0 149 0 149 149 0 265 0 pmappl 248 1449 0 1421 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 431 0 71 11 0 11 11 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(fffffd806de3bc48,9,0) at witness_checkorder+0x1047 rw_enter(fffffd806de3bc38,1) at rw_enter+0x122 rrw_enter(fffffd806de3bc38,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd805f273a28,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd805f273a28,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vn_rdwr(0,fffffd805f273a28,ffff800011a26140,df,0,1,641e6853e88028d5,0,ffff800000b3e000,0) at vn_rdwr+0xd1 sys/kern/vfs_vnops.c:320 vndstrategy(fffffd80602e7a10) at vndstrategy+0x4ff sys/dev/vnd.c:342 physio(ffffffff81f882e0,2902,8000,ffffffff820e6e60,ffff80003726ec98) at physio+0x2f6 sys/kern/kern_physio.c:162 spec_read(ffff80003726eb00) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd8078dc2c30,ffff80003726ec98,0,fffffd807f7d3548) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd805f212260,ffff80003726ec98,0) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000fffeca58,4,ffff80003726ec98,0,ffff80003726ed50) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_read(ffff8000fffeca58,ffff80003726ee00,ffff80003726ed50) at sys_read+0xa2 sys/kern/sys_generic.c:172 syscall(ffff80003726ee00) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80003726ee00) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb061a0bb8a0, count: -16 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800029b7bff0) 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 acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1218 sched_idle(ffff800029b7bff0) at sched_idle+0x558 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: -5