uvm_fault(0xffffffff824e95e8, 0xffff800000a87000, 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(0xffffffff824e95e8, 0xffff800000a87000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff80001d36ff90, count: 0 ddb> trace memcpy() at memcpy+0x15 sysctl_iflist(0,ffff80001d36ffe8) at sysctl_iflist+0x255 sys/net/rtsock.c:1981 sysctl_rtable(ffff80001d3700ac,3,129c0acd4190,ffff80001d3700d8,0,0) at sysctl_rtable+0x18e sys/net/rtsock.c:2078 sys_sysctl(ffff8000ffff93c8,ffff80001d370140,ffff80001d370190) at sys_sysctl+0x20e sys/kern/kern_sysctl.c:251 syscall(ffff80001d370210) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff0b10, count: -6 ddb> show registers rdi 0xffff800000a49de8 rsi 0xffff800000a87000 rbp 0xffff80001d36fe90 rbx 0xd0 rdx 0xd0 rcx 0x2 rax 0xfffffffffffc2de8 r8 0xffff80001d36ffe8 r9 0x5 r10 0xf6ce22ad3d837d1b r11 0xffff800000a49d28 r12 0xffff800000a86f40 r13 0xd0 r14 0xffff800000a49d28 r15 0x6 rip 0xffffffff81bc0475 memcpy+0x15 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80001d36fdd8 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (dhclient) pid=2304 stat=onproc flags process=100010 proc=0 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff8c60,0xffff8000ffff5658 process=0xffff8000ffff6010 user=0xffff80001d36b000, vmspace=0xfffffd806bc12550 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 12245 330667 69729 0 2 0 syz-executor.1 12245 305362 69729 0 2 0x4000000 syz-executor.1 21333 494183 0 0 3 0x14200 bored sosplice 69729 146369 76409 0 2 0x482 syz-executor.1 5302 13797 76409 0 2 0x482 syz-executor.0 76409 31771 9678 0 3 0x82 thrsleep syz-fuzzer 76409 419829 9678 0 2 0x4000482 syz-fuzzer 76409 117976 9678 0 3 0x4000082 kqread syz-fuzzer 76409 409628 9678 0 3 0x4000082 thrsleep syz-fuzzer 76409 181140 9678 0 3 0x4000082 thrsleep syz-fuzzer 76409 208974 9678 0 3 0x4000082 thrsleep syz-fuzzer 76409 7539 9678 0 3 0x4000082 thrsleep syz-fuzzer 76409 27619 9678 0 3 0x4000082 thrsleep syz-fuzzer 9678 318711 10370 0 3 0x10008a pause ksh 10370 240145 79737 0 3 0x92 select sshd 75926 69658 1 0 3 0x100083 ttyin getty 79737 14287 1 0 3 0x80 select sshd 90372 33971 6259 73 3 0x100090 kqread syslogd 6259 514826 1 0 3 0x100082 netio syslogd *22422 2304 1 77 7 0x100010 dhclient 74864 234262 1 0 3 0x80 poll dhclient 56371 50962 0 0 2 0x14200 zerothread 11797 51424 0 0 3 0x14200 aiodoned aiodoned 57283 299584 0 0 3 0x14200 syncer update 39774 501883 0 0 3 0x14200 cleaner cleaner 56417 339548 0 0 3 0x14200 reaper reaper 59974 504671 0 0 3 0x14200 pgdaemon pagedaemon 60380 432031 0 0 3 0x14200 bored crynlk 41452 473957 0 0 3 0x14200 bored crypto 84520 217708 0 0 3 0x40014200 acpi0 acpi0 4859 112353 0 0 3 0x14200 bored softnet 40549 73419 0 0 3 0x14200 bored systqmp 70037 3509 0 0 3 0x14200 bored systq 95739 510884 0 0 2 0x40014200 softclock 76387 362082 0 0 3 0x40014200 idle0 49640 357663 0 0 3 0x14200 bored smr 1 179683 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 9472 6458K 6913K 78643K 11116 0 pcb 13 10K 12K 78643K 49 0 rtable 110 4K 4K 78643K 211 0 ifaddr 65 15K 15K 78643K 70 0 counters 19 16K 16K 78643K 19 0 ioctlops 0 0K 2K 78643K 22 0 iov 0 0K 12K 78643K 16 0 mount 1 1K 1K 78643K 1 0 vnodes 1229 77K 77K 78643K 1400 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 0K 78643K 37 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 267 0 proc 48 38K 54K 78643K 366 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 29 0 in_multi 83 3K 3K 78643K 89 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 42 185K 185K 78643K 42 0 exec 0 0K 1K 78643K 198 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 107 21K 22K 78643K 1443 0 UVM aobj 4 2K 2K 78643K 4 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 24 0 NDP 7 0K 0K 78643K 12 0 temp 105 3031K 3095K 78643K 4039 0 kqueue 0 0K 0K 78643K 11 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 0 1 0 1 1 0 8 0 rtpcb 80 19 0 17 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 120 0 111 2 0 2 2 0 8 1 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 154 0 154 1 1 0 1 0 8 0 tcpcb 544 287 0 278 15 6 9 15 0 8 8 inpcb 280 436 0 429 9 0 9 9 0 8 8 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 1 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 212 0 0 14 0 14 14 0 8 0 art_table 32 213 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 sysvmsgpl 40 42 0 27 1 0 1 1 0 8 0 semapl 112 35 0 25 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1780 0 379 46 0 46 46 0 8 0 ffsino 240 1780 0 379 83 0 83 83 0 8 0 nchpl 144 2299 0 686 60 0 60 60 0 8 0 uvmvnodes 72 1940 0 0 36 0 36 36 0 8 0 vnodes 208 1940 0 0 103 0 103 103 0 8 0 namei 1024 5840 0 5839 5 4 1 1 0 8 0 scxspl 192 6342 0 6342 1 0 1 1 0 8 1 plimitpl 152 33 0 26 1 0 1 1 0 8 0 sigapl 432 438 0 425 2 0 2 2 0 8 0 futexpl 56 3807 0 3807 5 4 1 1 0 8 1 knotepl 112 74 0 55 1 0 1 1 0 8 0 kqueuepl 104 170 0 168 4 0 4 4 0 8 3 pipepl 128 156 0 137 1 0 1 1 0 8 0 fdescpl 424 439 0 425 2 0 2 2 0 8 0 filepl 120 2456 0 2360 11 0 11 11 0 8 8 lockfpl 104 39 0 37 1 0 1 1 0 8 0 lockfspl 48 19 0 17 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 22 0 12 1 0 1 1 0 8 0 ucredpl 96 371 0 364 1 0 1 1 0 8 0 zombiepl 144 425 0 424 1 0 1 1 0 8 0 processpl 872 454 0 424 4 0 4 4 0 8 0 procpl 632 739 0 701 4 0 4 4 0 8 0 sosppl 128 15 0 15 2 1 1 1 0 8 1 sockpl 384 575 0 557 15 4 11 14 0 8 8 mcl64k 65536 9 0 9 1 0 1 1 0 8 1 mcl12k 12288 2 0 2 1 0 1 1 0 8 1 mcl8k 8192 6 0 6 5 4 1 1 0 8 1 mcl4k 4096 29 0 29 3 2 1 1 0 8 1 mcl2k2 2112 11 0 11 2 1 1 1 0 8 1 mcl2k 2048 60272 0 60222 30 21 9 15 0 8 2 mtagpl 80 17 0 3 2 1 1 1 0 8 0 mbufpl 256 98106 0 97966 20 6 14 14 0 8 3 bufpl 280 6529 0 1326 372 0 372 372 0 8 0 anonpl 16 71026 0 54777 93 10 83 83 0 107 6 amapchunkpl 152 1822 0 1691 9 2 7 8 0 158 1 amappl16 192 3128 0 2243 71 14 57 57 0 8 12 amappl15 184 50 0 46 1 0 1 1 0 8 0 amappl14 176 263 0 257 1 0 1 1 0 8 0 amappl12 160 12 0 10 2 1 1 1 0 8 0 amappl11 152 48 0 37 1 0 1 1 0 8 0 amappl10 144 11 0 8 1 0 1 1 0 8 0 amappl9 136 566 0 563 1 0 1 1 0 8 0 amappl8 128 125 0 101 1 0 1 1 0 8 0 amappl7 120 88 0 78 1 0 1 1 0 8 0 amappl6 112 52 0 47 1 0 1 1 0 8 0 amappl5 104 130 0 118 1 0 1 1 0 8 0 amappl4 96 648 0 620 1 0 1 1 0 8 0 amappl3 88 248 0 238 1 0 1 1 0 8 0 amappl2 80 2732 0 2663 3 1 2 3 0 8 0 amappl1 72 17273 0 16851 27 18 9 20 0 8 0 amappl 80 973 0 932 1 0 1 1 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 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 439 0 425 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 439 0 425 1 0 1 1 0 8 0 vmmpekpl 168 6553 0 6529 2 0 2 2 0 8 0 vmmpepl 168 60092 0 58118 140 37 103 124 0 357 12 vmsppl 272 438 0 425 2 1 1 2 0 8 0 pdppl 4096 884 0 850 6 1 5 6 0 8 0 pvpl 32 197384 0 178153 208 12 196 196 0 265 24 pmappl 200 438 0 425 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 190 0 47 5 0 5 5 0 8 0