witness: lock order reversal: 1st 0xfffffd80693a14a0 vmmaplk (&map->lock) 2nd 0xfffffd806de25f78 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_readv+0xd8 sys/kern/sys_generic.c:199 #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(fffffd806de25f78,9,0) at witness_checkorder+0x1047 rw_enter(fffffd806de25f68,1) at rw_enter+0x122 rrw_enter(fffffd806de25f68,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd8070bcd8d0,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd8070bcd8d0,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vn_rdwr(0,fffffd8070bcd8d0,ffff800011a26140,9c,0,1,13ae00021d84fcb8,0,ffff800000b3e000,0) at vn_rdwr+0xd1 sys/kern/vfs_vnops.c:320 vndstrategy(fffffd806bd5c588) at vndstrategy+0x4ff sys/dev/vnd.c:342 physio(ffffffff81c49cb0,2902,8000,ffffffff82774d40,ffff80002f7781d0) at physio+0x2f6 sys/kern/kern_physio.c:162 spec_read(ffff80002f777fc0) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd806dd7fa80,ffff80002f7781d0,0,fffffd807f7d3548) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd806cd9bb60,ffff80002f7781d0,0) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80002a0ef700,3,ffff80002f7781d0,0,ffff80002f778290) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_readv(ffff80002a0ef700,ffff80002f778340,ffff80002f778290) at sys_readv+0xd8 sys/kern/sys_generic.c:199 syscall(ffff80002f778340) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002f778340) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x652ee3aaeb0, count: -16 ddb{1}> show registers rdi 0 rsi 0x40000 acpi_pdirpa+0x2be71 rbp 0xffff80002f777a80 rbx 0xfffffd80042c2718 rdx 0xffff800001290500 rcx 0xffff80002a0ef700 rax 0x3ffff acpi_pdirpa+0x2be70 r8 0xffff80002f777960 r9 0x8080808080808080 r10 0x2938311e207e868a r11 0x5741798646d9eda4 r12 0 r13 0xfffffd8003adae00 r14 0x3 r15 0xffffffff rip 0xffffffff81610e15 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002f777a70 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=476429 pid=82343 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a0efc10,0xffff80002a0ef998 process=0xffff800037207ae8 user=0xffff80002f773000, vmspace=0xfffffd80693a13a8 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 26600 178313 52901 0 2 0 syz-executor 26600 307585 52901 0 3 0x4000080 fsleep syz-executor 68467 434572 23027 0 2 0 syz-executor 68467 510473 23027 0 3 0x4000080 fsleep syz-executor 82343 494157 51479 0 7 0 syz-executor *82343 476429 51479 0 7 0x4000000 syz-executor 97385 70934 98896 0 2 0 syz-executor 97385 351144 98896 0 3 0x4000080 fsleep syz-executor 78688 56481 1 0 3 0x100083 ttyin getty 34360 300856 22889 0 3 0x82 wait syz-executor 87911 275835 0 0 3 0x14280 nfsidl nfsio 35744 201979 0 0 3 0x14280 nfsidl nfsio 20430 134562 0 0 3 0x14280 nfsidl nfsio 56986 51051 0 0 3 0x14280 nfsidl nfsio 59693 23246 0 0 3 0x14280 nfsidl nfsio 35760 487627 0 0 3 0x14280 nfsidl nfsio 13120 340112 0 0 3 0x14280 nfsidl nfsio 60989 192874 0 0 3 0x14280 nfsidl nfsio 814 48898 0 0 3 0x14280 nfsidl nfsio 13208 64534 0 0 3 0x14280 nfsidl nfsio 95403 267653 0 0 3 0x14280 nfsidl nfsio 13415 239384 0 0 3 0x14280 nfsidl nfsio 23044 120195 0 0 3 0x14280 nfsidl nfsio 88225 102206 0 0 3 0x14280 nfsidl nfsio 52490 467182 0 0 3 0x14280 nfsidl nfsio 77574 332161 0 0 3 0x14280 nfsidl nfsio 51070 4559 0 0 3 0x14280 nfsidl nfsio 93144 395461 0 0 3 0x14280 nfsidl nfsio 32515 382894 0 0 3 0x14280 nfsidl nfsio 93875 286877 0 0 3 0x14280 nfsidl nfsio 95752 97830 0 0 3 0x14200 acct acct 72525 88381 0 0 3 0x14200 bored sosplice 52901 421245 22889 0 3 0x82 nanoslp syz-executor 55241 451908 22889 0 3 0x2 biowait syz-executor 18074 161999 22889 0 3 0x2 biowait syz-executor 98896 512615 22889 0 3 0x82 nanoslp syz-executor 23027 45712 22889 0 3 0x82 nanoslp syz-executor 51378 136089 22889 0 3 0x2 biowait syz-executor 51479 115180 22889 0 3 0x82 nanoslp syz-executor 22889 241823 41158 0 3 0x82 kqread syz-executor 41158 448873 49009 0 3 0x10008a sigsusp ksh 49009 508232 51115 0 3 0x98 kqread sshd-session 51115 73988 81079 0 3 0x92 kqread sshd-session 81079 155964 1 0 3 0x88 kqread sshd 32162 83309 73276 74 3 0x1100092 bpf pflogd 73276 371158 1 0 3 0x80 sbwait pflogd 47378 41814 51926 73 3 0x1100090 kqread syslogd 51926 121894 1 0 3 0x100082 sbwait syslogd 6847 126954 1 0 3 0x100080 kqread resolvd 67161 51456 18472 77 3 0x100092 kqread dhcpleased 68832 195835 18472 77 3 0x100092 kqread dhcpleased 18472 493398 1 0 3 0x80 kqread dhcpleased 97685 102427 0 0 3 0x14200 bored smr 83866 208649 0 0 3 0x14200 pgzero zerothread 51783 243316 0 0 3 0x14200 aiodoned aiodoned 95998 223679 0 0 3 0x14200 syncer update 24854 294733 0 0 3 0x14200 cleaner cleaner 70675 387457 0 0 3 0x14200 reaper reaper 82338 279253 0 0 3 0x14200 pgdaemon pagedaemon 38579 11522 0 0 3 0x14200 bored viomb 49551 82121 0 0 3 0x40014200 acpi0 acpi0 46049 47934 0 0 3 0x40014200 idle1 34053 153833 0 0 3 0x14200 bored softnet3 71220 270750 0 0 3 0x14200 bored softnet2 95759 66780 0 0 3 0x14200 bored softnet1 82014 521640 0 0 3 0x14200 bored softnet0 12465 294214 0 0 3 0x14200 bored systqmp 50445 191470 0 0 3 0x14200 bored systq 36393 343512 0 0 3 0x14200 tmoslp softclockmp 96387 366982 0 0 3 0x40014200 tmoslp softclock 21407 256515 0 0 3 0x40014200 idle0 1 467677 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 82343 (syz-executor) thread 0xffff80002a0ef700 (476429) shared rwlock vmmaplk r = 0 (0xfffffd80693a14a0) #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_readv+0xd8 sys/kern/sys_generic.c:199 #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 (0xffffffff8359d538) #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_readv+0xd8 sys/kern/sys_generic.c:199 #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 55241 (syz-executor) thread 0xffff800029fd9958 (451908) exclusive rrwlock inode r = 0 (0xfffffd806bdb5a30) #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 (0xfffffd806c8502b8) #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 18074 (syz-executor) thread 0xffff800029fd9448 (161999) exclusive rrwlock inode r = 0 (0xfffffd806bdb5e70) #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 (0xfffffd806c8504d8) #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 51378 (syz-executor) thread 0xffff80002a03ecc0 (136089) exclusive rrwlock inode r = 0 (0xfffffd806bdb54e0) #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 (0xfffffd806cdb50a8) #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10216 11340K 12233K 166960K 13461 0 pcb 17 18K 20K 166960K 591 0 rtable 169 6K 8K 166960K 773 0 pf 36 18K 25K 166960K 86 0 ifaddr 36 5K 8K 166960K 74 0 ifgroup 55 2K 2K 166960K 104 0 sysctl 4 1K 2K 166960K 7 0 counters 64 36K 36K 166960K 96 0 ioctlops 0 0K 4K 166960K 1711 0 iov 0 0K 16K 166960K 90 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1417 89K 90K 166960K 2519 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 23 0 VM map 2 1K 1K 166960K 2 0 sem 21 11K 11K 166960K 45 0 dirhash 12 2K 2K 166960K 42 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 15 53K 89K 166960K 1561 0 sigio 0 0K 0K 166960K 131 0 proc 72 91K 140K 166960K 689 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 330 0 in_multi 72 5K 7K 166960K 161 0 ether_multi 1 0K 0K 166960K 8 0 mrt 2 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 121 546K 546K 166960K 121 0 exec 0 0K 1K 166960K 594 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 221 73K 82K 166960K 16428 0 UVM aobj 47 4K 4K 166960K 50 0 pinsyscall 40 80K 104K 166960K 2695 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 95 0 NDP 12 0K 1K 166960K 49 0 temp 77 6828K 6900K 166960K 63796 0 kqueue 13 20K 32K 166960K 286 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 120 156 0 153 1 0 1 1 0 8 0 rtentry 112 247 0 174 4 0 4 4 0 8 0 unpcb 144 1352 0 1335 16 15 1 4 0 8 0 syncache 336 6 0 6 3 3 0 1 0 8 0 tcpqe 32 3 0 3 1 1 0 1 0 8 0 tcpcb 808 562 0 555 23 15 8 8 0 8 7 arp 120 39 0 26 1 0 1 1 0 8 0 inpcb 336 2312 0 2300 45 33 12 13 0 8 10 nd6 136 37 0 19 2 0 2 2 0 8 0 pkpcb 40 7 0 7 4 4 0 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1168 10 0 10 5 5 0 1 0 8 0 pffrag 232 14 0 5 1 0 1 1 0 482 0 pffrnode 88 14 0 5 1 0 1 1 0 8 0 pffrent 40 36 0 27 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 24 128 0 48 1 0 1 1 0 8 0 pfstkey 128 128 0 48 3 0 3 3 0 8 0 pfstate 376 127 0 48 9 0 9 9 0 8 0 pfrule 1344 22 0 16 2 0 2 2 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 739 0 369 33 7 26 33 0 8 0 art_table 32 743 0 369 5 0 5 5 0 8 0 art_node 16 178 0 116 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 1 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 39 0 20 1 0 1 1 0 8 0 shmpl 112 47 0 3 2 0 2 2 0 8 0 dirhash 1024 37 0 20 3 0 3 3 0 8 0 dino2pl 256 4145 0 2645 95 0 95 95 0 8 0 ffsino 272 4145 0 2645 102 0 102 102 0 8 0 nchpl 144 6443 0 5914 63 0 63 63 0 8 39 uvmvnodes 80 4944 0 0 101 0 101 101 0 8 0 vnodes 216 4944 0 0 275 0 275 275 0 8 0 namei 1024 22955 0 22953 8 6 2 2 0 8 1 percpumem 16 62 0 16 1 0 1 1 0 8 0 kstatmem 264 56 0 32 2 0 2 2 0 8 0 scsiplug 72 9 0 9 5 5 0 1 0 8 0 scxspl 216 27549 0 27546 16 15 1 8 1 8 0 plimitpl 152 211 0 193 1 0 1 1 0 8 0 sigapl 424 1910 0 1841 10 1 9 9 0 8 0 futexpl 64 23789 0 23786 1 0 1 1 0 8 0 knotepl 120 823 0 0 24 0 24 24 0 8 0 kqueuepl 216 552 0 542 9 8 1 3 0 8 0 pipepl 320 267 0 239 3 0 3 3 0 8 0 fdescpl 496 1849 0 1820 6 1 5 5 0 8 0 filepl 152 12615 0 12363 35 20 15 16 0 8 4 lockfpl 104 600 0 595 1 0 1 1 0 8 0 lockfspl 48 197 0 193 1 0 1 1 0 8 0 sessionpl 144 27 0 18 1 0 1 1 0 8 0 pgrppl 48 55 0 38 1 0 1 1 0 8 0 ucredpl 104 1803 0 1789 1 0 1 1 0 8 0 zombiepl 144 1962 0 1961 2 1 1 1 0 8 0 processpl 1160 1910 0 1841 7 1 6 6 0 8 0 procpl 648 4311 0 4238 9 1 8 8 0 8 0 srpgc 96 6 0 6 2 2 0 1 0 8 0 sosppl 168 18 0 18 5 5 0 1 0 8 0 sockpl 664 3848 0 3816 51 37 14 15 0 8 10 mcl64k 65536 5 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 11 0 0 2 0 2 2 0 8 0 mcl4k 4096 132 0 0 17 0 17 17 0 8 0 mcl2k 2048 25 0 0 4 0 4 4 0 8 0 mtagpl 96 30 0 0 1 0 1 1 0 8 0 mbufpl 256 328 0 0 20 0 20 20 0 8 0 bufpl 280 7559 0 1384 442 0 442 442 0 8 0 anonpl 24 392096 0 387630 156 102 54 70 0 185 14 amapchunkpl 152 55107 0 54600 52 25 27 41 0 158 2 amappl16 200 11261 0 11227 68 53 15 26 0 8 7 amappl15 192 75 0 75 1 1 0 1 0 8 0 amappl14 184 134 0 122 1 0 1 1 0 8 0 amappl13 176 14 0 14 1 1 0 1 0 8 0 amappl12 168 2533 0 2504 4 1 3 3 0 8 0 amappl11 160 59 0 45 1 0 1 1 0 8 0 amappl10 152 19 0 19 2 2 0 1 0 8 0 amappl9 144 148 0 148 1 1 0 1 0 8 0 amappl8 136 45 0 41 1 0 1 1 0 8 0 amappl7 128 120 0 107 1 0 1 1 0 8 0 amappl6 120 198 0 196 1 0 1 1 0 8 0 amappl5 112 143 0 131 1 0 1 1 0 8 0 amappl4 104 349 0 330 1 0 1 1 0 8 0 amappl3 96 9975 0 9895 3 0 3 3 0 8 0 amappl2 88 2174 0 2091 3 0 3 3 0 8 0 amappl1 80 12733 0 12168 15 1 14 14 0 8 0 amappl 88 15908 0 15751 5 0 5 5 0 92 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma4096 4096 2 0 2 2 2 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 21 0 20 1 0 1 1 0 8 0 aobjpl 72 49 0 3 1 0 1 1 0 8 0 uaddrrnd 24 1849 0 1820 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1849 0 1820 1 0 1 1 0 8 0 vmmpekpl 168 15250 0 15201 3 0 3 3 0 8 0 vmmpepl 168 124617 0 122845 135 40 95 100 0 357 9 vmsppl 448 1848 0 1820 6 2 4 5 0 8 0 rwobjpl 56 42590 0 36679 87 0 87 87 0 8 1 pdppl 4096 3705 0 3640 117 46 71 83 0 8 6 pvpl 32 30814 0 0 250 1 249 249 0 265 0 pmappl 248 1848 0 1820 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 494 0 121 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(ffffffff8349fff0) 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(ffffffff8359d330) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8359d330) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a07ca50,ffff800000069c00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x38 sys/dev/kcov.c:159 __mp_lock(ffffffff8359d330) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8359d330) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 intr_handler(ffff80002a07cbc0,ffff800000079e00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge25_untramp() at Xintr_ioapic_edge25_untramp+0x18f __mp_lock(ffffffff8359d330) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8359d330) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a07cd20,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: 0x736c5752e090, count: -13 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(fffffd806de25f78,9,0) at witness_checkorder+0x1047 rw_enter(fffffd806de25f68,1) at rw_enter+0x122 rrw_enter(fffffd806de25f68,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd8070bcd8d0,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd8070bcd8d0,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vn_rdwr(0,fffffd8070bcd8d0,ffff800011a26140,9c,0,1,13ae00021d84fcb8,0,ffff800000b3e000,0) at vn_rdwr+0xd1 sys/kern/vfs_vnops.c:320 vndstrategy(fffffd806bd5c588) at vndstrategy+0x4ff sys/dev/vnd.c:342 physio(ffffffff81c49cb0,2902,8000,ffffffff82774d40,ffff80002f7781d0) at physio+0x2f6 sys/kern/kern_physio.c:162 spec_read(ffff80002f777fc0) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd806dd7fa80,ffff80002f7781d0,0,fffffd807f7d3548) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd806cd9bb60,ffff80002f7781d0,0) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80002a0ef700,3,ffff80002f7781d0,0,ffff80002f778290) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_readv(ffff80002a0ef700,ffff80002f778340,ffff80002f778290) at sys_readv+0xd8 sys/kern/sys_generic.c:199 syscall(ffff80002f778340) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002f778340) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x652ee3aaeb0, count: -16