witness: lock order reversal: 1st 0xffffffff8290fe50 netlock (netlock) 2nd 0xfffffd806656b1a0 vmmaplk (&map->lock) lock order "&map->lock"(rwlock) -> "netlock"(rwlock) first seen at: #0 rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 #1 udp_sysctl+0x8a sys/netinet/udp_usrreq.c:1269 #2 sys_sysctl+0x209 sys/kern/kern_sysctl.c:249 #3 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #4 Xsyscall+0x128 lock order "netlock"(rwlock) -> "&map->lock"(rwlock) first seen at: #0 rw_enter_read+0x66 sys/kern/kern_rwlock.c:112 #1 uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1758 #2 uvm_fault_check+0x3a sys/uvm/uvm_fault.c:674 #3 uvm_fault+0x102 sys/uvm/uvm_fault.c:602 #4 kpageflttrap+0x209 #5 kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 #6 alltraps_kern_meltdown+0x7b #7 copyout+0x53 #8 soo_ioctl+0x26c #9 sys_ioctl+0x4a2 #10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 Stopped at db_enter+0x18: 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+0x18 sys/arch/amd64/amd64/db_interface.c:440 witness_checkorder(fffffd806656b1a0,1,0) at witness_checkorder+0x10b7 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(fffffd806656b1a0,1,0) at witness_checkorder+0x10b7 sys/kern/subr_witness.c:1105 rw_enter_read(fffffd806656b190) at rw_enter_read+0x66 sys/kern/kern_rwlock.c:112 uvmfault_lookup(ffff80002e36d4a0,0) at uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1758 uvm_fault_check(ffff80002e36d4a0,ffff80002e36d4d8,ffff80002e36d500) at uvm_fault_check+0x3a sys/uvm/uvm_fault.c:674 uvm_fault(fffffd806656b188,20ff9000,0,2) at uvm_fault+0x102 sys/uvm/uvm_fault.c:602 kpageflttrap(ffff80002e36d630,20ff9000) at kpageflttrap+0x209 kerntrap(ffff80002e36d630) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x53 soo_ioctl(fffffd8068e571e8,c028698d,ffff80002e36d850,ffff8000ffff42a0) at soo_ioctl+0x26c sys_ioctl(ffff8000ffff42a0,ffff80002e36d968,ffff80002e36d9c0) at sys_ioctl+0x4a2 syscall(ffff80002e36da30) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e36da30) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdd9ae4a3aa0, count: -14 ddb{0}> show registers rdi 0x3 rsi 0x40000 acpi_pdirpa+0x2be68 rbp 0xffff80002e36d190 rbx 0x3 rdx 0xffff800000bece80 rcx 0 rax 0x3ffff acpi_pdirpa+0x2be67 r8 0xffff80002e36d100 r9 0x8080808080808080 r10 0xae641877f52290a7 r11 0xbeda14750298e7c6 r12 0xffffffff82ab0220 w_lodata+0x528b0 r13 0 r14 0xffffffff82aa82f0 w_lodata+0x4a980 r15 0xfffffd8002f62d80 rip 0xffffffff8138d658 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002e36d180 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.0) pid=326077 stat=onproc flags process=10 proc=4000000 pri=32, usrpri=73, nice=20 forw=0xffffffffffffffff, list=0xffff8000211427e8,0xffffffff82b3d400 process=0xffff80002116d900 user=0xffff80002e368000, vmspace=0xfffffd806656b188 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 64146 452319 73190 32767 2 0x10 syz-executor.0 *64146 326077 73190 32767 7 0x4000010 syz-executor.0 61960 137137 3384 32767 2 0x10 syz-executor.7 61960 265692 3384 32767 7 0x4000010 syz-executor.7 17517 78112 4172 32767 3 0x90 nanoslp syz-executor.4 17517 138133 4172 32767 3 0x4000090 msgwait syz-executor.4 17517 426168 4172 32767 3 0x4000090 msgwait syz-executor.4 31808 397120 25432 32767 2 0x490 syz-executor.3 25432 149607 3815 0 3 0x82 wait syz-executor.3 94049 468419 99727 32767 3 0x90 piperd syz-executor.6 99727 510530 3815 0 3 0x82 wait syz-executor.6 43359 247254 2496 32767 3 0x90 piperd syz-executor.2 2496 297703 3815 0 3 0x82 wait syz-executor.2 73190 304078 41384 32767 2 0x490 syz-executor.0 41384 325813 3815 0 3 0x82 wait syz-executor.0 62065 213728 0 0 3 0x14200 bored sosplice 27957 163575 23177 32767 2 0x10 syz-executor.5 3384 442547 87828 32767 2 0x490 syz-executor.7 87828 71116 3815 0 3 0x82 wait syz-executor.7 4172 422985 19142 32767 2 0x490 syz-executor.4 23177 356324 3815 0 3 0x82 wait syz-executor.5 19142 369541 3815 0 3 0x82 wait syz-executor.4 33373 322274 58853 32767 3 0x90 piperd syz-executor.1 58853 75540 3815 0 3 0x82 wait syz-executor.1 3815 403579 19935 0 3 0x82 thrsleep syz-fuzzer 3815 401748 19935 0 3 0x4000082 nanoslp syz-fuzzer 3815 240224 19935 0 3 0x4000082 thrsleep syz-fuzzer 3815 34946 19935 0 3 0x4000082 thrsleep syz-fuzzer 3815 23577 19935 0 2 0x4000082 syz-fuzzer 3815 410152 19935 0 3 0x4000082 thrsleep syz-fuzzer 3815 368185 19935 0 3 0x4000082 thrsleep syz-fuzzer 3815 147254 19935 0 3 0x4000082 thrsleep syz-fuzzer 19935 360760 7303 0 3 0x10008a sigsusp ksh 7303 375507 60140 0 3 0x9a kqread sshd 81042 24158 1 0 3 0x100083 ttyin getty 60140 138839 1 0 3 0x88 kqread sshd 34377 82790 71961 73 3 0x1100090 kqread syslogd 71961 369104 1 0 3 0x100082 netio syslogd 34907 123755 1 0 3 0x100080 kqread resolvd 36115 285854 66997 77 3 0x100092 kqread dhcpleased 2931 445261 66997 77 3 0x100092 kqread dhcpleased 66997 223064 1 0 3 0x80 kqread dhcpleased 8000 271004 0 0 3 0x14200 bored smr 96755 454091 0 0 2 0x14200 zerothread 33325 275880 0 0 3 0x14200 aiodoned aiodoned 88952 162480 0 0 3 0x14200 syncer update 1419 507166 0 0 3 0x14200 cleaner cleaner 17497 44939 0 0 3 0x14200 reaper reaper 63088 354053 0 0 3 0x14200 pgdaemon pagedaemon 43532 182404 0 0 3 0x14200 bored viomb 27722 17191 0 0 3 0x40014200 acpi0 acpi0 25749 241847 0 0 3 0x40014200 idle1 41484 347875 0 0 3 0x14200 bored softnet 9673 78020 0 0 3 0x14200 bored systqmp 2433 26143 0 0 3 0x14200 bored systq 57645 266805 0 0 3 0x40014200 bored softclock 25343 63177 0 0 3 0x40014200 idle0 1 2617 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 64146 (syz-executor.0) thread 0xffff8000ffff42a0 (326077) shared rwlock netlock r = 0 (0xffffffff8290fe50) #0 witness_lock+0x44d #1 ifioctl_get+0x81 if_getgrouplist sys/net/if.c:2911 [inline] #1 ifioctl_get+0x81 sys/net/if.c:2337 #2 soo_ioctl+0x26c #3 sys_ioctl+0x4a2 #4 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #4 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff829de988) #0 witness_lock+0x44d #1 soo_ioctl+0x25a sys/kern/sys_socket.c:136 #2 sys_ioctl+0x4a2 #3 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #4 Xsyscall+0x128 Process 61960 (syz-executor.7) thread 0xffff8000211427e8 (265692) shared rwlock vmmaplk r = 0 (0xfffffd806656b5f0) #0 witness_lock+0x44d #1 uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1758 #2 uvm_fault_check+0x3a sys/uvm/uvm_fault.c:674 #3 uvm_fault+0x102 sys/uvm/uvm_fault.c:602 #4 kpageflttrap+0x209 #5 kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 #6 alltraps_kern_meltdown+0x7b #7 copyout+0x53 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 Process 27957 (syz-executor.5) thread 0xffff80002a343cf0 (163575) exclusive rrwlock inode r = 0 (0xfffffd807dd2c2c0) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3101 #10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807dd2c700) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3086 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10175 6407K 6419K 78643K 11280 0 pcb 13 8K 8K 78643K 13 0 rtable 238 6K 7K 78643K 509 0 ifaddr 81 17K 17K 78643K 118 0 counters 56 35K 35K 78643K 66 0 ioctlops 0 0K 2K 78643K 41 0 iov 0 0K 12K 78643K 30 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1270 79K 79K 78643K 1360 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 12 0K 0K 78643K 39 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 21 77K 125K 78643K 785 0 sigio 0 0K 0K 78643K 6 0 proc 56 74K 111K 78643K 609 0 subproc 104 6K 6K 78643K 169 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 42 0 in_multi 99 6K 7K 78643K 170 0 ether_multi 1 0K 0K 78643K 2 0 mrt 0 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 67 307K 307K 78643K 67 0 exec 0 0K 2K 78643K 765 0 tdb 3 0K 0K 78643K 3 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 281 78K 81K 78643K 10166 0 UVM aobj 7 4K 4K 78643K 9 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 15 0 NDP 13 0K 2K 78643K 42 0 temp 123 4702K 4766K 78643K 6038 0 kqueue 12 18K 22K 78643K 80 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 63 0 60 1 0 1 1 0 8 0 rtentry 112 166 0 56 4 0 4 4 0 8 0 unpcb 136 173 0 159 1 0 1 1 0 8 0 syncache 296 16 0 16 3 2 1 1 0 8 1 tcpqe 32 602 0 602 2 1 1 1 0 8 1 tcpcb 736 113 0 104 3 0 3 3 0 8 1 arp 120 28 0 10 1 0 1 1 0 8 0 ipq 40 1 0 1 1 1 0 1 0 8 0 ipqe 40 2 0 2 1 1 0 1 0 8 0 inpcb 304 314 0 305 2 0 2 2 0 8 0 nd6 48 39 0 15 1 0 1 1 0 8 0 kcovpl 48 13 0 5 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 675 0 220 29 0 29 29 0 8 0 art_table 32 676 0 220 4 0 4 4 0 8 0 art_node 16 165 0 65 1 0 1 1 0 8 0 sysvmsgpl 40 23 0 17 2 1 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 34 0 24 1 0 1 1 0 8 0 shmpl 112 6 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2170 0 741 90 0 90 90 0 8 0 ffsino 272 2170 0 741 96 0 96 96 0 8 0 nchpl 144 3161 0 1541 62 0 62 62 0 8 0 uvmvnodes 80 2348 0 0 48 0 48 48 0 8 0 vnodes 224 2348 0 0 139 0 139 139 0 8 0 namei 1024 9859 0 9858 2 1 1 2 0 8 0 percpumem 16 45 0 5 1 0 1 1 0 8 0 scxspl 216 10084 0 10084 9 6 3 8 0 8 3 plimitpl 152 94 0 72 1 0 1 1 0 8 0 sigapl 424 1049 0 1001 7 0 7 7 0 8 0 futexpl 64 3156 0 3156 1 0 1 1 0 8 1 knotepl 120 335 0 0 10 0 10 10 0 8 0 kqueuepl 216 113 0 104 1 0 1 1 0 8 0 pipepl 336 176 0 148 4 1 3 3 0 8 0 fdescpl 496 1034 0 1002 6 0 6 6 0 8 0 filepl 152 3363 0 3127 11 0 11 11 0 8 1 lockfpl 104 70 0 67 1 0 1 1 0 8 0 lockfspl 48 28 0 25 1 0 1 1 0 8 0 sessionpl 144 28 0 12 1 0 1 1 0 8 0 pgrppl 48 30 0 14 1 0 1 1 0 8 0 ucredpl 96 520 0 502 1 0 1 1 0 8 0 zombiepl 144 1002 0 1001 1 0 1 1 0 8 0 processpl 1064 1049 0 1001 4 0 4 4 0 8 0 procpl 672 1696 0 1637 6 0 6 6 0 8 0 sosppl 168 14 0 14 3 2 1 1 0 8 1 sockpl 480 551 0 525 6 0 6 6 0 8 2 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 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 155 0 0 19 0 19 19 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 378 0 0 23 0 23 23 0 8 0 bufpl 288 4806 0 153 333 0 333 333 0 8 0 anonpl 24 219013 0 207826 83 4 79 79 0 186 1 amapchunkpl 152 23525 0 22864 40 2 38 38 0 158 7 amappl16 200 1807 0 1509 20 1 19 19 0 8 1 amappl15 192 144 0 138 1 0 1 1 0 8 0 amappl14 184 18 0 16 1 0 1 1 0 8 0 amappl13 176 195 0 190 1 0 1 1 0 8 0 amappl12 168 116 0 109 1 0 1 1 0 8 0 amappl11 160 173 0 158 1 0 1 1 0 8 0 amappl10 152 193 0 188 1 0 1 1 0 8 0 amappl9 144 417 0 410 1 0 1 1 0 8 0 amappl8 136 699 0 650 2 0 2 2 0 8 0 amappl7 128 211 0 198 1 0 1 1 0 8 0 amappl6 120 271 0 245 2 1 1 2 0 8 0 amappl5 112 1149 0 1127 1 0 1 1 0 8 0 amappl4 104 1040 0 1014 1 0 1 1 0 8 0 amappl3 96 309 0 296 1 0 1 1 0 8 0 amappl2 88 642 0 599 3 1 2 3 0 8 0 amappl1 80 20519 0 19934 19 5 14 18 0 8 0 amappl 88 9666 0 9448 7 0 7 7 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 8 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1034 0 1002 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1034 0 1002 1 0 1 1 0 8 0 vmmpekpl 168 11052 0 10982 4 0 4 4 0 8 0 vmmpepl 168 95712 0 93436 130 13 117 128 0 357 6 vmsppl 368 1033 0 1002 4 0 4 4 0 8 0 rwobjpl 56 24717 0 21182 51 0 51 51 0 8 0 pdppl 4096 2075 0 2004 142 61 81 95 0 8 10 pvpl 32 552196 0 536170 244 26 218 243 0 265 73 pmappl 248 1033 0 1002 4 1 3 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 756 0 65 20 0 20 20 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 witness_checkorder(fffffd806656b1a0,1,0) at witness_checkorder+0x10b7 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(fffffd806656b1a0,1,0) at witness_checkorder+0x10b7 sys/kern/subr_witness.c:1105 rw_enter_read(fffffd806656b190) at rw_enter_read+0x66 sys/kern/kern_rwlock.c:112 uvmfault_lookup(ffff80002e36d4a0,0) at uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1758 uvm_fault_check(ffff80002e36d4a0,ffff80002e36d4d8,ffff80002e36d500) at uvm_fault_check+0x3a sys/uvm/uvm_fault.c:674 uvm_fault(fffffd806656b188,20ff9000,0,2) at uvm_fault+0x102 sys/uvm/uvm_fault.c:602 kpageflttrap(ffff80002e36d630,20ff9000) at kpageflttrap+0x209 kerntrap(ffff80002e36d630) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x53 soo_ioctl(fffffd8068e571e8,c028698d,ffff80002e36d850,ffff8000ffff42a0) at soo_ioctl+0x26c sys_ioctl(ffff8000ffff42a0,ffff80002e36d968,ffff80002e36d9c0) at sys_ioctl+0x4a2 syscall(ffff80002e36da30) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e36da30) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdd9ae4a3aa0, count: -14 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020ce8ff0) at x86_ipi_db+0x1a 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+0x23 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 kd_curproc sys/dev/kcov.c:577 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 sys/dev/kcov.c:148 _rb_left(ffffffff828cb708,fffffd806ab820d8) at _rb_left+0x23 rb_n2e sys/kern/subr_tree.c:51 [inline] _rb_left(ffffffff828cb708,fffffd806ab820d8) at _rb_left+0x23 sys/kern/subr_tree.c:573 uvm_map_lookup_entry(fffffd806656b5d8,10a000,ffff80002608e5d8) at uvm_map_lookup_entry+0x79 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:177 [inline] uvm_map_lookup_entry(fffffd806656b5d8,10a000,ffff80002608e5d8) at uvm_map_lookup_entry+0x79 uvm_map_entrybyaddr sys/uvm/uvm_map.c:571 [inline] uvm_map_lookup_entry(fffffd806656b5d8,10a000,ffff80002608e5d8) at uvm_map_lookup_entry+0x79 sys/uvm/uvm_map.c:1824 uvmfault_lookup(ffff80002608e5b0,0) at uvmfault_lookup+0xea sys/uvm/uvm_fault.c:1758 uvm_fault_check(ffff80002608e5b0,ffff80002608e5e8,ffff80002608e610) at uvm_fault_check+0x3a sys/uvm/uvm_fault.c:674 uvm_fault(fffffd806656b5d8,10a000,0,2) at uvm_fault+0x102 sys/uvm/uvm_fault.c:602 kpageflttrap(ffff80002608e740,10a4a0) at kpageflttrap+0x209 kerntrap(ffff80002608e740) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x53 syscall(ffff80002608eb90) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002608eb90) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdbffa8a10, count: -15