witness: lock order reversal: 1st 0xfffffd807effa468 vmmaplk (&map->lock) 2nd 0xfffffd8064c973d0 inode (&ip->i_lock) lock order "&ip->i_lock"(rrwlock) -> "&map->lock"(rwlock) first seen at: #0 witness_checkorder+0x65e witness_lock_order_add sys/kern/subr_witness.c:2463 [inline] #0 witness_checkorder+0x65e sys/kern/subr_witness.c:880 #1 rw_enter_read+0x66 sys/kern/kern_rwlock.c:111 #2 uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1438 #3 uvm_fault+0x7e sys/uvm/uvm_fault.c:526 #4 kpageflttrap+0x210 sys/arch/amd64/amd64/trap.c:268 #5 kerntrap+0xef sys/arch/amd64/amd64/trap.c:323 #6 alltraps_kern_meltdown+0x7b #7 copyout+0x53 #8 ffs_read+0x3e2 sys/ufs/ffs/ffs_vnops.c:258 #9 VOP_READ+0xbf sys/kern/vfs_vops.c:253 #10 vn_rdwr+0x10b #11 vmcmd_map_readvn+0xda sys/kern/exec_subr.c:246 #12 exec_process_vmcmds+0xb2 sys/kern/exec_subr.c:143 #13 sys_execve+0x9ff sys/kern/kern_exec.c:461 #14 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] #14 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:589 #15 Xsyscall+0x128 lock order "&map->lock"(rwlock) -> "&ip->i_lock"(rrwlock) first seen at: #0 witness_checkorder+0x65e witness_lock_order_add sys/kern/subr_witness.c:2463 [inline] #0 witness_checkorder+0x65e sys/kern/subr_witness.c:880 #1 rw_enter+0xd4 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:614 #4 vn_lock+0x6c sys/kern/vfs_vnops.c:575 #5 uvn_io+0x2b5 sys/uvm/uvm_vnode.c:1196 #6 uvn_get+0x226 sys/uvm/uvm_vnode.c:1056 #7 uvm_fault+0x1197 sys/uvm/uvm_fault.c:1016 #8 uvm_fault_wire+0x63 sys/uvm/uvm_fault.c:1285 #9 uvm_map_pageable_wire+0x30d sys/uvm/uvm_map.c:2367 #10 sys_mlock+0x180 sys/uvm/uvm_mmap.c:772 #11 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] #11 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:589 #12 Xsyscall+0x128 Stopped at db_enter+0x18: 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+0x18 sys/arch/amd64/amd64/db_interface.c:398 witness_checkorder(fffffd8064c973d0,9,0) at witness_checkorder+0xf5a witness_debugger sys/kern/subr_witness.c:2490 [inline] witness_checkorder(fffffd8064c973d0,9,0) at witness_checkorder+0xf5a sys/kern/subr_witness.c:1087 rw_enter(fffffd8064c973c0,81) at rw_enter+0xd4 rrw_enter(fffffd8064c973c0,81) at rrw_enter+0x88 sys/kern/kern_rwlock.c:462 VOP_LOCK(fffffd805b24d5b8,81) at VOP_LOCK+0x4b sys/kern/vfs_vops.c:614 vn_lock(fffffd805b24d5b8,81) at vn_lock+0x6c sys/kern/vfs_vnops.c:575 uvn_io(fffffd805b1ee5b8,ffff800021aff908,1,2,0) at uvn_io+0x2b5 sys/uvm/uvm_vnode.c:1196 uvn_get(fffffd805b1ee5b8,0,ffff800021affb60,ffff800021affafc,0,3) at uvn_get+0x226 sys/uvm/uvm_vnode.c:1056 uvm_fault(fffffd807effa450,20ffc000,2,3) at uvm_fault+0x1197 sys/uvm/uvm_fault.c:1016 uvm_fault_wire(fffffd807effa450,20ffc000,20ffd000,3) at uvm_fault_wire+0x63 sys/uvm/uvm_fault.c:1285 uvm_map_pageable_wire(fffffd807effa450,fffffd805fa7c7b0,fffffd805af35888,11e,0,0) at uvm_map_pageable_wire+0x30d sys/uvm/uvm_map.c:2367 sys_mlock(ffff8000212b1160,ffff800021affd48,ffff800021affd90) at sys_mlock+0x180 sys/uvm/uvm_mmap.c:772 syscall(ffff800021affe10) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021affe10) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:589 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbc240582a40, count: -14 ddb{1}> show registers rdi 0x3 rsi 0x40000 acpi_pdirpa+0x2be68 rbp 0xffff800021aff560 rbx 0x3 rdx 0xffff800000ac3ac0 rcx 0x3 rax 0x3ffff acpi_pdirpa+0x2be67 r8 0xffffffff821331b3 witness_checkorder+0xf33 r9 0x5 r10 0xabf87418a095b76d r11 0x7a2ee8c88e28509f r12 0xffffffff82879ed0 w_lodata+0x54430 r13 0 r14 0xffffffff82866c30 w_lodata+0x41190 r15 0xfffffd8002c91500 rip 0xffffffff81cb19d8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021aff550 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=193534 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000212b0018,0xffffffff828804a8 process=0xffff800021272bd8 user=0xffff800021afa000, vmspace=0xfffffd807effa450 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 17263 182539 8975 0 7 0 syz-executor.0 *17263 193534 8975 0 7 0x4000000 syz-executor.0 78212 366206 77773 0 3 0x2 biowait syz-executor.1 8975 265389 77773 0 3 0x82 nanosleep syz-executor.0 77773 264977 60289 0 3 0x82 kqread syz-fuzzer 77773 474737 60289 0 3 0x4000082 nanosleep syz-fuzzer 77773 221058 60289 0 3 0x4000082 thrsleep syz-fuzzer 77773 310261 60289 0 3 0x4000082 thrsleep syz-fuzzer 77773 327387 60289 0 3 0x4000082 thrsleep syz-fuzzer 77773 503122 60289 0 3 0x4000082 thrsleep syz-fuzzer 77773 300178 60289 0 3 0x4000082 thrsleep syz-fuzzer 77773 137073 60289 0 3 0x4000082 nanosleep syz-fuzzer 60289 515714 36689 0 3 0x10008a pause ksh 36689 486125 80015 0 3 0x92 select sshd 37796 343091 1 0 3 0x100083 ttyin getty 80015 323655 1 0 3 0x80 select sshd 75512 40689 46263 74 3 0x100092 bpf pflogd 46263 3628 1 0 3 0x80 netio pflogd 84867 235397 35864 73 3 0x100090 kqread syslogd 35864 485686 1 0 3 0x100082 netio syslogd 94013 148040 1 77 3 0x100090 poll dhclient 33110 137912 1 0 3 0x80 poll dhclient 18169 29949 0 0 3 0x14200 bored smr 85942 483587 0 0 3 0x14200 pgzero zerothread 65768 218505 0 0 3 0x14200 aiodoned aiodoned 61634 162276 0 0 3 0x14200 syncer update 33165 338219 0 0 3 0x14200 cleaner cleaner 89947 382764 0 0 3 0x14200 reaper reaper 52983 463503 0 0 3 0x14200 pgdaemon pagedaemon 11303 277899 0 0 3 0x14200 bored crynlk 23741 506681 0 0 3 0x14200 bored crypto 81109 184310 0 0 3 0x14200 bored viomb 6516 175533 0 0 3 0x40014200 acpi0 acpi0 28537 466741 0 0 3 0x40014200 idle1 83830 257694 0 0 3 0x14200 bored softnet 5023 107308 0 0 3 0x14200 bored systqmp 10574 463788 0 0 3 0x14200 bored systq 47612 149002 0 0 3 0x40014200 bored softclock 54559 345485 0 0 3 0x40014200 idle0 1 153344 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 17263 (syz-executor.0) thread 0xffff8000212b1160 (193534) shared rwlock vmmaplk r = 0 (0xfffffd807effa468) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1164 #1 rw_enter+0x446 sys/kern/kern_rwlock.c:311 #2 vm_map_lock_ln+0xda sys/uvm/uvm_map.c:5452 #3 uvm_map_pageable+0x120 sys/uvm/uvm_map.c:2463 #4 sys_mlock+0x180 sys/uvm/uvm_mmap.c:772 #5 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:589 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828806b8) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1164 #1 syscall+0x3fd mi_syscall sys/sys/syscall_mi.h:93 [inline] #1 syscall+0x3fd sys/arch/amd64/amd64/trap.c:589 #2 Xsyscall+0x128 Process 78212 (syz-executor.1) thread 0xffff8000212b0c70 (366206) exclusive rrwlock inode r = 0 (0xfffffd8064c971b0) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1164 #1 rw_enter+0x446 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462 #3 ufs_ihashins+0x45 sys/ufs/ufs/ufs_ihash.c:140 #4 ffs_vget+0x135 sys/ufs/ffs/ffs_vfsops.c:1350 #5 ffs_inode_alloc+0x1e1 sys/ufs/ffs/ffs_alloc.c:394 #6 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #7 VOP_MKDIR+0xc6 sys/kern/vfs_vops.c:459 #8 domkdirat+0x121 sys/kern/vfs_syscalls.c:3064 #9 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] #9 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:589 #10 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8064c97a30) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1164 #1 rw_enter+0x446 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:614 #4 vn_lock+0x6c sys/kern/vfs_vnops.c:575 #5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419 #6 namei+0x5f7 sys/kern/vfs_lookup.c:249 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3049 #8 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:589 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9482 6415K 6418K 78643K 10580 0 pcb 13 8K 8K 78643K 17 0 rtable 105 3K 3K 78643K 199 0 ifaddr 44 10K 10K 78643K 45 0 counters 43 33K 33K 78643K 43 0 ioctlops 0 0K 4K 78643K 2230 0 iov 0 0K 0K 78643K 1944 0 mount 1 1K 1K 78643K 1 0 vnodes 1221 77K 77K 78643K 1226 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 2 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1825 197K 290K 78643K 13109 0 file desc 5 13K 25K 78643K 25671 0 proc 59 63K 83K 78643K 447 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 33 2K 2K 78643K 33 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 31 148K 148K 78643K 31 0 exec 0 0K 2K 78643K 358 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 379 50K 50K 78643K 52693 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 6 0K 0K 78643K 10 0 temp 68 3952K 4016K 78643K 53326 0 kqueue 3 4K 9K 78643K 1639 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 6 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 96 19 0 17 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 45 0 35 1 0 1 1 0 8 0 syncache 272 4 0 4 1 1 0 1 0 8 0 tcpqe 32 288 0 288 1 1 0 1 0 8 0 tcpcb 592 10 0 6 1 0 1 1 0 8 0 inpcb 296 43 0 36 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 kcovpl 48 2 0 0 1 0 1 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 12 0 10 1 0 1 1 0 8 0 pfstkey 112 12 0 10 1 0 1 1 0 8 0 pfstate 328 12 0 10 1 0 1 1 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 188 0 0 12 0 12 12 0 8 0 art_table 32 189 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 27065 0 25660 88 0 88 88 0 8 0 ffsino 272 27065 0 25660 95 1 94 94 0 8 0 nchpl 144 52938 0 51333 60 0 60 60 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 208 5926 0 0 312 0 312 312 0 8 0 namei 1024 107666 0 107665 2 1 1 1 0 8 0 percpumem 16 32 0 0 1 0 1 1 0 8 0 scxspl 192 159929 0 159928 10 9 1 7 0 8 0 plimitpl 152 15 0 7 1 0 1 1 0 8 0 sigapl 424 25887 0 25855 4 0 4 4 0 8 0 futexpl 56 103178 0 103178 1 0 1 1 0 8 1 knotepl 112 907 0 887 1 0 1 1 0 8 0 kqueuepl 152 27342 0 27340 1 0 1 1 0 8 0 pipepl 304 80 0 69 2 0 2 2 0 8 1 fdescpl 496 25871 0 25855 3 0 3 3 0 8 0 filepl 152 54923 0 54819 6 1 5 5 0 8 1 lockfpl 104 11 0 10 1 0 1 1 0 8 0 lockfspl 48 6 0 5 1 0 1 1 0 8 0 sessionpl 120 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 59 0 50 1 0 1 1 0 8 0 zombiepl 144 25855 0 25855 2 1 1 1 0 8 1 processpl 1008 25887 0 25855 5 0 5 5 0 8 0 procpl 632 51861 0 51821 4 0 4 4 0 8 0 sockpl 400 107 0 88 5 2 3 3 0 8 1 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 9 0 0 1 0 1 1 0 8 0 mcl8k 8192 21 0 0 3 0 3 3 0 8 0 mcl4k 4096 25 0 0 3 0 3 3 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 268 0 0 30 5 25 30 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 647 0 0 23 1 22 22 0 8 0 bufpl 280 29139 0 22891 447 0 447 447 0 8 0 anonpl 16 1596069 0 1537732 237 2 235 235 0 124 0 amapchunkpl 152 81022 0 78906 83 1 82 82 0 158 0 amappl16 192 66071 0 64546 77 0 77 77 0 8 0 amappl15 184 2 0 1 2 1 1 1 0 8 0 amappl14 176 25 0 19 1 0 1 1 0 8 0 amappl13 168 776 0 774 1 0 1 1 0 8 0 amappl12 160 12762 0 12755 1 0 1 1 0 8 0 amappl11 152 61 0 45 1 0 1 1 0 8 0 amappl10 144 15 0 12 1 0 1 1 0 8 0 amappl9 136 372 0 372 2 2 0 1 0 8 0 amappl8 128 26007 0 25936 3 0 3 3 0 8 0 amappl7 120 249 0 241 1 0 1 1 0 8 0 amappl6 112 70 0 58 1 0 1 1 0 8 0 amappl5 104 26013 0 25996 1 0 1 1 0 8 0 amappl4 96 13732 0 13705 1 0 1 1 0 8 0 amappl3 88 2154 0 2143 1 0 1 1 0 8 0 amappl2 80 180206 0 180139 2 0 2 2 0 8 0 amappl1 72 720220 0 719737 25 15 10 19 0 8 0 amappl 80 52377 0 52078 7 0 7 7 0 84 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 64 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 25871 0 25855 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 25871 0 25855 1 0 1 1 0 8 0 vmmpekpl 168 63462 0 63428 2 0 2 2 0 8 0 vmmpepl 168 3146855 0 3143839 218 80 138 192 0 357 4 vmsppl 368 25870 0 25855 2 0 2 2 0 8 0 pdppl 4096 51749 0 51710 7 1 6 6 0 8 1 pvpl 32 8260861 0 8199342 513 11 502 502 0 265 3 pmappl 232 25870 0 25855 2 1 1 2 0 8 0 extentpl 40 57 0 39 1 0 1 1 0 8 0 phpool 112 284 0 15 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff8274fff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x37 kd_curproc sys/dev/kcov.c:570 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x37 sys/dev/kcov.c:143 __mp_lock(ffffffff828804b0) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828804b0) at __mp_lock+0x133 sys/kern/kern_lock.c:147 intr_handler(ffff80002350d7f0,ffff80000065a300) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge4_untramp() at Xintr_ioapic_edge4_untramp+0x19f __mp_lock(ffffffff828804b0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828804b0) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff80002350d940,ffff80000006ba00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge17_untramp() at Xintr_ioapic_edge17_untramp+0x19f end of kernel end trace frame: 0x7f7fffff5dd0, count: -10 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 witness_checkorder(fffffd8064c973d0,9,0) at witness_checkorder+0xf5a witness_debugger sys/kern/subr_witness.c:2490 [inline] witness_checkorder(fffffd8064c973d0,9,0) at witness_checkorder+0xf5a sys/kern/subr_witness.c:1087 rw_enter(fffffd8064c973c0,81) at rw_enter+0xd4 rrw_enter(fffffd8064c973c0,81) at rrw_enter+0x88 sys/kern/kern_rwlock.c:462 VOP_LOCK(fffffd805b24d5b8,81) at VOP_LOCK+0x4b sys/kern/vfs_vops.c:614 vn_lock(fffffd805b24d5b8,81) at vn_lock+0x6c sys/kern/vfs_vnops.c:575 uvn_io(fffffd805b1ee5b8,ffff800021aff908,1,2,0) at uvn_io+0x2b5 sys/uvm/uvm_vnode.c:1196 uvn_get(fffffd805b1ee5b8,0,ffff800021affb60,ffff800021affafc,0,3) at uvn_get+0x226 sys/uvm/uvm_vnode.c:1056 uvm_fault(fffffd807effa450,20ffc000,2,3) at uvm_fault+0x1197 sys/uvm/uvm_fault.c:1016 uvm_fault_wire(fffffd807effa450,20ffc000,20ffd000,3) at uvm_fault_wire+0x63 sys/uvm/uvm_fault.c:1285 uvm_map_pageable_wire(fffffd807effa450,fffffd805fa7c7b0,fffffd805af35888,11e,0,0) at uvm_map_pageable_wire+0x30d sys/uvm/uvm_map.c:2367 sys_mlock(ffff8000212b1160,ffff800021affd48,ffff800021affd90) at sys_mlock+0x180 sys/uvm/uvm_mmap.c:772 syscall(ffff800021affe10) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021affe10) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:589 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbc240582a40, count: -14