uvm_fault(0xffffffff82506b98, 0xffff800000aa8000, 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(0xffffffff82506b98, 0xffff800000aa8000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff80001d370040, count: 0 ddb> trace memcpy() at memcpy+0x15 sysctl_iflist(0,ffff80001d370098) at sysctl_iflist+0x255 sys/net/rtsock.c:1981 sysctl_rtable(ffff80001d37015c,3,98492817000,ffff80001d370188,0,0) at sysctl_rtable+0x18e sys/net/rtsock.c:2078 sys_sysctl(ffff8000ffff9640,ffff80001d3701f0,ffff80001d370240) at sys_sysctl+0x20e sys/kern/kern_sysctl.c:251 syscall(ffff80001d3702c0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe2f60, count: -6 ddb> show registers rdi 0xffff800000a212e8 rsi 0xffff800000aa8000 rbp 0xffff80001d36ff40 rbx 0xd0 rdx 0xd0 rcx 0x2 rax 0xfffffffffff792e8 r8 0xffff80001d370098 r9 0x5 r10 0x433854fa930ab6b9 r11 0xffff800000a21228 r12 0xffff800000aa7f40 r13 0xd0 r14 0xffff800000a21228 r15 0x6 rip 0xffffffff812b0865 memcpy+0x15 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80001d36fe88 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (dhclient) pid=241281 stat=onproc flags process=100010 proc=0 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff9150,0xffff8000ffff4a00 process=0xffff8000ffff66e0 user=0xffff80001d36b000, vmspace=0xfffffd806bc12990 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 72514 115666 41344 0 2 0 syz-executor.1 72514 367809 41344 0 2 0x4000000 syz-executor.1 84533 425608 0 0 3 0x14200 bored sosplice 60 447572 58898 0 2 0x482 syz-executor.0 41344 249753 58898 0 2 0x482 syz-executor.1 58898 112381 27989 0 3 0x82 thrsleep syz-fuzzer 58898 241913 27989 0 2 0x4000482 syz-fuzzer 58898 65227 27989 0 3 0x4000082 thrsleep syz-fuzzer 58898 21969 27989 0 3 0x4000082 thrsleep syz-fuzzer 58898 215265 27989 0 3 0x4000082 kqread syz-fuzzer 58898 77506 27989 0 3 0x4000082 thrsleep syz-fuzzer 58898 247035 27989 0 3 0x4000082 thrsleep syz-fuzzer 58898 170828 27989 0 3 0x4000082 thrsleep syz-fuzzer 27989 197503 9311 0 3 0x10008a pause ksh 9311 36438 30343 0 3 0x92 select sshd 55657 258951 1 0 3 0x100083 ttyin getty 30343 407542 1 0 3 0x80 select sshd 38024 259884 528 73 3 0x100090 kqread syslogd 528 157967 1 0 3 0x100082 netio syslogd *99170 241281 1 77 7 0x100010 dhclient 20143 313189 1 0 3 0x80 poll dhclient 96696 15919 0 0 2 0x14200 zerothread 84643 9633 0 0 3 0x14200 aiodoned aiodoned 96241 376518 0 0 3 0x14200 syncer update 78731 388514 0 0 3 0x14200 cleaner cleaner 25613 309953 0 0 3 0x14200 reaper reaper 85444 408112 0 0 3 0x14200 pgdaemon pagedaemon 2082 379897 0 0 3 0x14200 bored crynlk 37193 268357 0 0 3 0x14200 bored crypto 11992 273268 0 0 3 0x40014200 acpi0 acpi0 90923 379877 0 0 3 0x14200 bored softnet 5400 402970 0 0 3 0x14200 bored systqmp 17141 250574 0 0 3 0x14200 bored systq 90373 151501 0 0 3 0x40014200 bored softclock 39695 2162 0 0 3 0x40014200 idle0 13915 411870 0 0 3 0x14200 bored smr 1 498776 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 9508 6347K 7818K 78643K 12161 0 pcb 13 8K 8K 78643K 90 0 rtable 98 7K 8K 78643K 339 0 ifaddr 88 17K 17K 78643K 144 0 counters 19 16K 16K 78643K 19 0 ioctlops 0 0K 2K 78643K 31 0 iov 0 0K 24K 78643K 86 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1619 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 8 0 VM map 2 0K 0K 78643K 2 0 sem 12 1K 1K 78643K 44 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 253 0 sigio 0 0K 0K 78643K 14 0 proc 48 38K 54K 78643K 396 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 39 0 in_multi 84 3K 4K 78643K 104 0 ether_multi 1 0K 0K 78643K 3 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 48 212K 212K 78643K 48 0 exec 0 0K 1K 78643K 203 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 128 56K 56K 78643K 1507 0 UVM aobj 43 2K 2K 78643K 45 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 45 0 NDP 13 0K 0K 78643K 28 0 temp 138 3031K 3100K 78643K 8160 0 kqueue 0 0K 0K 78643K 6 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 3 1 0 1 1 0 8 0 rtpcb 80 77 0 75 1 0 1 1 0 8 0 rtentry 112 51 0 14 2 0 2 2 0 8 0 unpcb 120 319 0 311 2 1 1 2 0 8 0 syncache 264 8 0 8 2 1 1 1 0 8 1 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 89 0 89 3 2 1 1 0 8 1 tcpcb 544 124 0 120 2 0 2 2 0 8 1 inpcb 280 380 0 373 2 0 2 2 0 8 1 nd6 48 5 0 2 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 0 1 1 0 8 1 ppxss 1128 5 0 5 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 259 0 45 14 0 14 14 0 8 0 art_table 32 260 0 45 2 0 2 2 0 8 0 art_node 16 50 0 16 1 0 1 1 0 8 0 sysvmsgpl 40 77 0 37 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 38 0 28 1 0 1 1 0 8 0 shmpl 112 43 0 2 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1791 0 391 46 0 46 46 0 8 0 ffsino 240 1791 0 391 83 0 83 83 0 8 0 nchpl 144 2400 0 784 61 0 61 61 0 8 0 uvmvnodes 72 2174 0 0 40 0 40 40 0 8 0 vnodes 208 2174 0 0 115 0 115 115 0 8 0 namei 1024 6799 0 6799 1 0 1 1 0 8 1 vcpupl 1984 4 0 0 1 0 1 1 0 8 0 vmpool 528 4 0 0 1 0 1 1 0 8 0 scxspl 192 7052 0 7052 1 0 1 1 0 8 1 plimitpl 152 34 0 27 1 0 1 1 0 8 0 sigapl 432 424 0 411 2 0 2 2 0 8 0 futexpl 56 10120 0 10120 1 0 1 1 0 8 1 knotepl 112 144 0 125 2 0 2 2 0 8 1 kqueuepl 104 91 0 89 1 0 1 1 0 8 0 pipepl 128 346 0 327 3 1 2 2 0 8 1 fdescpl 424 425 0 411 2 0 2 2 0 8 0 filepl 120 3570 0 3474 5 0 5 5 0 8 2 lockfpl 104 102 0 101 1 0 1 1 0 8 0 lockfspl 48 35 0 34 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 23 0 13 1 0 1 1 0 8 0 ucredpl 96 282 0 275 1 0 1 1 0 8 0 zombiepl 144 411 0 410 1 0 1 1 0 8 0 processpl 872 440 0 410 4 0 4 4 0 8 0 procpl 632 784 0 746 5 1 4 5 0 8 0 sosppl 128 9 0 9 1 0 1 1 0 8 1 sockpl 384 785 0 768 5 0 5 5 0 8 3 mcl64k 65536 37 0 37 2 1 1 2 0 8 1 mcl16k 16384 6 0 6 1 0 1 1 0 8 1 mcl12k 12288 14 0 14 1 0 1 1 0 8 1 mcl9k 9216 8 0 8 1 0 1 1 0 8 1 mcl8k 8192 29 0 29 1 0 1 1 0 8 1 mcl4k 4096 38 0 38 2 1 1 1 0 8 1 mcl2k2 2112 1 0 1 1 0 1 1 0 8 1 mcl2k 2048 69292 0 69243 17 9 8 14 0 8 1 mtagpl 80 63 0 15 2 1 1 1 0 8 0 mbufpl 256 112116 0 111903 35 20 15 33 0 8 0 bufpl 280 6738 0 1330 387 0 387 387 0 8 0 anonpl 16 67309 0 47565 98 2 96 96 0 107 14 amapchunkpl 152 2074 0 1915 12 2 10 10 0 158 3 amappl16 192 2826 0 1740 74 11 63 67 0 8 8 amappl15 184 58 0 53 1 0 1 1 0 8 0 amappl14 176 24 0 23 1 0 1 1 0 8 0 amappl12 160 12 0 10 1 0 1 1 0 8 0 amappl11 152 48 0 36 1 0 1 1 0 8 0 amappl10 144 230 0 225 1 0 1 1 0 8 0 amappl9 136 542 0 539 1 0 1 1 0 8 0 amappl8 128 120 0 93 1 0 1 1 0 8 0 amappl7 120 310 0 296 1 0 1 1 0 8 0 amappl6 112 55 0 47 1 0 1 1 0 8 0 amappl5 104 175 0 165 1 0 1 1 0 8 0 amappl4 96 651 0 623 1 0 1 1 0 8 0 amappl3 88 130 0 123 1 0 1 1 0 8 0 amappl2 80 2630 0 2559 3 1 2 3 0 8 0 amappl1 72 17131 0 16721 27 18 9 20 0 8 0 amappl 80 1020 0 968 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 44 0 2 1 0 1 1 0 8 0 uaddrrnd 24 429 0 411 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 429 0 411 1 0 1 1 0 8 0 vmmpekpl 168 7093 0 7067 2 0 2 2 0 8 0 vmmpepl 168 60363 0 58172 134 18 116 128 0 357 17 vmsppl 272 428 0 411 2 0 2 2 0 8 0 pdppl 4096 864 0 826 7 1 6 6 0 8 1 pvpl 32 199060 0 176309 226 0 226 226 0 265 41 pmappl 200 428 0 411 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 173 0 34 5 0 5 5 0 8 0