uvm_fault(0xffffffff82514e80, 0xffff800000b82000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xffffffff82514e80, 0xffff800000b82000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff800014880a10, count: 0 ddb> trace memcpy() at memcpy+0x15 sysctl_iflist(0,ffff800014880a68) at sysctl_iflist+0x255 sys/net/rtsock.c:1981 sysctl_rtable(ffff800014880b2c,3,540b4ef9000,ffff800014880b58,0,0) at sysctl_rtable+0x18e sys/net/rtsock.c:2078 sys_sysctl(ffff8000ffff9448,ffff800014880bc0,ffff800014880c10) at sys_sysctl+0x20e sys/kern/kern_sysctl.c:250 syscall(ffff800014880c90) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff20a0, count: -6 ddb> show registers rdi 0xffff800000aaa4e8 rsi 0xffff800000b82000 rbp 0xffff800014880910 rbx 0xe8 rdx 0xe8 rcx 0x5 rax 0xfffffffffff284e8 r8 0xffff800014880a68 r9 0x5 r10 0x3c7eca87922a551e r11 0xffff800000aaa428 r12 0xffff800000b81f40 r13 0xe8 r14 0xffff800000aaa428 r15 0x6 rip 0xffffffff81f19285 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800014880858 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (dhclient) pid=3526 stat=onproc flags process=100010 proc=0 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff91c0,0xffff8000ffff51d8 process=0xffff8000ffff6010 user=0xffff80001487b000, vmspace=0xfffffd803f012440 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 32831 496568 66704 0 2 0 syz-executor.1 32831 519713 66704 0 2 0x4000000 syz-executor.1 8024 444294 0 0 3 0x14200 bored sosplice 66704 207259 82174 0 3 0x82 nanosleep syz-executor.1 26993 237350 82174 0 2 0x2 syz-executor.0 82174 515510 93087 0 3 0x82 thrsleep syz-fuzzer 82174 283344 93087 0 3 0x4000082 nanosleep syz-fuzzer 82174 255597 93087 0 3 0x4000082 kqread syz-fuzzer 82174 401911 93087 0 3 0x4000082 thrsleep syz-fuzzer 82174 372702 93087 0 3 0x4000082 thrsleep syz-fuzzer 82174 286311 93087 0 3 0x4000082 thrsleep syz-fuzzer 82174 63638 93087 0 3 0x4000082 thrsleep syz-fuzzer 82174 79138 93087 0 3 0x4000082 thrsleep syz-fuzzer 93087 20004 16609 0 3 0x10008a pause ksh 16609 129479 77754 0 3 0x92 select sshd 66492 335085 1 0 3 0x100083 ttyin getty 77754 31405 1 0 3 0x80 select sshd 24490 164807 77581 73 3 0x100090 kqread syslogd 77581 445411 1 0 3 0x100082 netio syslogd *85535 3526 1 77 7 0x100010 dhclient 70748 505345 1 0 2 0 dhclient 46349 516734 0 0 2 0x14200 zerothread 29999 38603 0 0 3 0x14200 aiodoned aiodoned 11220 32305 0 0 3 0x14200 syncer update 70445 102636 0 0 3 0x14200 cleaner cleaner 29648 191741 0 0 3 0x14200 reaper reaper 36423 492442 0 0 3 0x14200 pgdaemon pagedaemon 30376 139323 0 0 3 0x14200 bored crynlk 16356 283799 0 0 3 0x14200 bored crypto 73099 502565 0 0 3 0x40014200 acpi0 acpi0 45585 467973 0 0 3 0x14200 bored softnet 56846 374000 0 0 3 0x14200 bored systqmp 80708 315525 0 0 3 0x14200 bored systq 2087 125020 0 0 3 0x40014200 bored softclock 61292 421776 0 0 3 0x40014200 idle0 90662 428790 0 0 3 0x14200 bored smr 1 423972 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9528 6361K 7644K 78643K 13247 0 pcb 13 8K 8K 78643K 120 0 rtable 108 4K 4K 78643K 495 0 ifaddr 101 19K 19K 78643K 164 0 counters 19 16K 16K 78643K 19 0 ioctlops 0 0K 2K 78643K 48 0 iov 0 0K 24K 78643K 128 0 mount 1 1K 1K 78643K 1 0 vnodes 1226 77K 77K 78643K 1937 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 3 5K 5K 78643K 12 0 VM map 12 3K 3K 78643K 16 0 sem 12 0K 1K 78643K 211 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 477 0 sigio 0 0K 0K 78643K 10 0 proc 48 38K 63K 78643K 409 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 37 0 in_multi 97 4K 4K 78643K 139 0 ether_multi 1 0K 0K 78643K 4 0 mrt 0 0K 0K 78643K 2 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 60 265K 265K 78643K 60 0 exec 0 0K 1K 78643K 210 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 125 103K 103K 78643K 1984 0 UVM aobj 37 2K 2K 78643K 39 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 90 0 NDP 15 0K 0K 78643K 33 0 temp 147 3563K 3639K 78643K 14896 0 kqueue 0 0K 0K 78643K 4 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 6 0 1 1 0 1 1 0 8 0 rtpcb 96 380 0 378 1 0 1 1 0 8 0 rtentry 112 66 0 24 2 0 2 2 0 8 0 unpcb 120 565 0 557 1 0 1 1 0 8 0 syncache 280 6 0 6 2 2 0 1 0 8 0 tcpqe 32 151 0 151 1 1 0 1 0 8 0 tcpcb 640 220 0 216 4 2 2 2 0 8 1 ipq 40 7 0 7 2 1 1 1 0 8 1 ipqe 40 272 0 272 2 1 1 1 0 8 1 inpcb 280 600 0 593 4 2 2 2 0 8 1 ip6q 72 1 0 0 1 0 1 1 0 8 0 nd6 48 8 0 5 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 1 0 1 0 8 0 ppxss 1128 4 0 4 2 2 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 327 0 119 15 2 13 15 0 8 0 art_table 32 329 0 119 2 0 2 2 0 8 0 art_node 16 65 0 26 1 0 1 1 0 8 0 sysvmsgpl 40 57 0 26 1 0 1 1 0 8 0 semupl 112 3 0 3 2 2 0 1 0 8 0 semapl 112 209 0 199 1 0 1 1 0 8 0 shmpl 112 37 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2135 0 734 46 0 46 46 0 8 0 ffsino 240 2135 0 734 83 0 83 83 0 8 0 nchpl 144 3031 0 2575 60 33 27 60 0 8 6 uvmvnodes 72 2792 0 0 51 0 51 51 0 8 0 vnodes 208 2792 0 0 147 0 147 147 0 8 0 namei 1024 8755 0 8755 1 0 1 1 0 8 1 vcpupl 1984 10 0 0 2 0 2 2 0 8 0 vmpool 520 14 0 4 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 208 9173 0 9173 9 7 2 7 0 8 2 plimitpl 152 44 0 37 1 0 1 1 0 8 0 sigapl 432 647 0 634 2 0 2 2 0 8 0 futexpl 56 15082 0 15082 1 0 1 1 0 8 1 knotepl 112 106 0 87 1 0 1 1 0 8 0 kqueuepl 104 112 0 110 1 0 1 1 0 8 0 pipepl 128 402 0 383 3 2 1 2 0 8 0 fdescpl 424 648 0 634 2 0 2 2 0 8 0 filepl 120 5334 0 5238 6 1 5 5 0 8 2 lockfpl 104 155 0 154 1 0 1 1 0 8 0 lockfspl 48 53 0 52 1 0 1 1 0 8 0 sessionpl 128 17 0 7 1 0 1 1 0 8 0 pgrppl 48 29 0 19 1 0 1 1 0 8 0 ucredpl 96 517 0 510 1 0 1 1 0 8 0 zombiepl 144 634 0 634 1 0 1 1 0 8 1 processpl 896 663 0 634 4 0 4 4 0 8 0 procpl 648 1260 0 1223 4 0 4 4 0 8 0 sosppl 144 15 0 15 2 1 1 1 0 8 1 sockpl 384 1553 0 1536 8 3 5 5 0 8 3 mcl64k 65536 56 0 56 2 1 1 2 0 8 1 mcl16k 16384 5 0 5 2 1 1 1 0 8 1 mcl12k 12288 13 0 13 1 0 1 1 0 8 1 mcl9k 9216 7 0 7 1 0 1 1 0 8 1 mcl8k 8192 33 0 33 1 0 1 1 0 8 1 mcl4k 4096 73 0 73 1 0 1 1 0 8 1 mcl2k2 2112 8 0 8 2 1 1 1 0 8 1 mcl2k 2048 70131 0 70100 13 8 5 12 0 8 0 mtagpl 80 31 0 5 2 1 1 1 0 8 0 mbufpl 256 118012 0 117756 46 20 26 32 0 8 8 bufpl 280 7561 0 2622 353 0 353 353 0 8 0 anonpl 16 85694 0 64755 106 17 89 100 0 62 4 amapchunkpl 152 3185 0 3028 23 13 10 20 0 158 3 amappl16 192 4019 0 2854 78 18 60 70 0 8 1 amappl14 176 46 0 40 1 0 1 1 0 8 0 amappl13 168 231 0 229 1 0 1 1 0 8 0 amappl12 160 4 0 3 2 1 1 1 0 8 0 amappl11 152 50 0 38 1 0 1 1 0 8 0 amappl10 144 13 0 10 1 0 1 1 0 8 0 amappl9 136 778 0 773 1 0 1 1 0 8 0 amappl8 128 378 0 344 2 0 2 2 0 8 0 amappl7 120 37 0 33 1 0 1 1 0 8 0 amappl6 112 56 0 46 1 0 1 1 0 8 0 amappl5 104 147 0 137 1 0 1 1 0 8 0 amappl4 96 868 0 842 1 0 1 1 0 8 0 amappl3 88 125 0 119 1 0 1 1 0 8 0 amappl2 80 4659 0 4593 3 1 2 3 0 8 0 amappl1 72 20625 0 20217 26 17 9 20 0 8 0 amappl 80 1498 0 1447 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 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 38 0 2 1 0 1 1 0 8 0 uaddrrnd 24 662 0 634 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 662 0 634 1 0 1 1 0 8 0 vmmpekpl 168 7871 0 7842 2 0 2 2 0 8 0 vmmpepl 168 84186 0 81944 142 37 105 137 0 357 3 vmsppl 272 647 0 634 2 1 1 2 0 8 0 pdppl 4096 1330 0 1286 7 1 6 6 0 8 0 pvpl 32 238695 0 214722 233 15 218 229 0 265 23 pmappl 200 661 0 638 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 180 0 36 5 0 5 5 0 8 0