uvm_fault(0xfffffd806bc0a660, 0x0, 0, 2) -> 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(0xfffffd806bc0a660, 0x0, 0, 2) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff80001d377d20, count: 0 ddb> trace memcpy() at memcpy+0x15 uipc_usrreq(fffffd805e4d7780,9,fffffd805e05e000,0,0,ffff8000ffff93c8) at uipc_usrreq+0xb5e sys/kern/uipc_usrreq.c:277 sosend(fffffd805e4d7780,0,ffff80001d377e20,0,0,80) at sosend+0x669 sys/kern/uipc_socket.c:524 sendit(ffff8000ffff93c8,5,ffff80001d377f80,0,ffff80001d378070) at sendit+0x52b sys/kern/uipc_syscalls.c:662 sys_sendmsg(ffff8000ffff93c8,ffff80001d378020,ffff80001d378070) at sys_sendmsg+0x1a4 sys/kern/uipc_syscalls.c:567 syscall(ffff80001d3780f0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd8cb0, count: -7 ddb> show registers rdi 0 rsi 0xfffffd805e05e070 rbp 0xffff80001d377c80 rbx 0x1 rdx 0x10 rcx 0x2 rax 0 r8 0 r9 0x5 r10 0x629226b28e0ecc76 r11 0 r12 0xfffffd805e05e000 r13 0xfffffd805e05e600 r14 0x1 r15 0xfffffd805e4d7988 rip 0xffffffff81eb9c85 memcpy+0x15 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80001d377c08 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (dhclient) pid=115951 stat=onproc flags process=100010 proc=0 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff84f8,0xffff8000ffff5658 process=0xffff8000ffff6010 user=0xffff80001d373000, vmspace=0xfffffd806bc0a660 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 85979 214602 80848 0 2 0 syz-executor.0 85979 245685 80848 0 2 0x4000000 syz-executor.0 57785 518847 0 0 3 0x14200 bored sosplice 87296 176463 49891 0 2 0x2 syz-executor.1 80848 417476 49891 0 2 0x482 syz-executor.0 49891 474542 54698 0 3 0x82 thrsleep syz-fuzzer 49891 515733 54698 0 3 0x4000082 nanosleep syz-fuzzer 49891 382070 54698 0 3 0x4000082 thrsleep syz-fuzzer 49891 284611 54698 0 3 0x4000082 thrsleep syz-fuzzer 49891 171339 54698 0 3 0x4000082 thrsleep syz-fuzzer 49891 301911 54698 0 3 0x4000082 kqread syz-fuzzer 49891 363924 54698 0 3 0x4000082 thrsleep syz-fuzzer 49891 1968 54698 0 3 0x4000082 thrsleep syz-fuzzer 54698 430694 21930 0 3 0x10008a pause ksh 21930 453548 10345 0 3 0x92 select sshd 88393 66905 1 0 3 0x100083 ttyin getty 10345 124886 1 0 3 0x80 select sshd 91751 465421 85306 73 3 0x100090 kqread syslogd 85306 498476 1 0 3 0x100082 netio syslogd *20609 115951 1 77 7 0x100010 dhclient 35620 77229 1 0 2 0x80 dhclient 35395 79139 0 0 2 0x14200 zerothread 29568 504455 0 0 3 0x14200 aiodoned aiodoned 80891 192066 0 0 3 0x14200 syncer update 40230 317115 0 0 3 0x14200 cleaner cleaner 31353 76358 0 0 3 0x14200 reaper reaper 86681 73742 0 0 3 0x14200 pgdaemon pagedaemon 72784 148504 0 0 3 0x14200 bored crynlk 28860 322231 0 0 3 0x14200 bored crypto 87253 266150 0 0 3 0x40014200 acpi0 acpi0 55875 360001 0 0 3 0x14200 bored softnet 16270 124870 0 0 3 0x14200 bored systqmp 5643 55907 0 0 3 0x14200 bored systq 12593 255330 0 0 3 0x40014200 bored softclock 253 499049 0 0 3 0x40014200 idle0 31999 323905 0 0 3 0x14200 bored smr 1 140085 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 9470 6334K 7622K 78643K 10797 0 pcb 13 8K 8K 78643K 31 0 rtable 91 11K 11K 78643K 218 0 ifaddr 51 11K 11K 78643K 67 0 counters 19 16K 16K 78643K 19 0 ioctlops 0 0K 2K 78643K 15 0 iov 0 0K 12K 78643K 6 0 mount 1 1K 1K 78643K 1 0 vnodes 1226 77K 77K 78643K 1280 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 5 0K 0K 78643K 6 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 64 0 proc 48 38K 54K 78643K 359 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 2 0 in_multi 29 1K 2K 78643K 46 0 ether_multi 1 0K 0K 78643K 2 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 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 183 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 109 21K 22K 78643K 987 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 15 0 NDP 8 0K 0K 78643K 14 0 temp 83 3006K 3070K 78643K 3341 0 kqueue 0 0K 0K 78643K 2 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 2 1 0 1 1 0 8 0 rtpcb 80 19 0 17 1 0 1 1 0 8 0 rtentry 112 49 0 15 2 0 2 2 0 8 0 unpcb 120 49 0 40 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 71 0 71 1 0 1 1 0 8 1 tcpcb 544 26 0 22 1 0 1 1 0 8 0 inpcb 280 96 0 88 1 0 1 1 0 8 0 nd6 48 5 0 3 1 0 1 1 0 8 0 ppxss 1128 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 236 0 67 14 0 14 14 0 8 1 art_table 32 237 0 67 2 0 2 2 0 8 0 art_node 16 48 0 17 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 6 1 0 1 1 0 8 0 semapl 112 4 0 1 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 1464 0 62 46 0 46 46 0 8 0 ffsino 240 1464 0 62 83 0 83 83 0 8 0 nchpl 144 1734 0 135 60 0 60 60 0 8 0 uvmvnodes 72 1563 0 0 29 0 29 29 0 8 0 vnodes 208 1563 0 0 83 0 83 83 0 8 0 namei 1024 4265 0 4265 1 0 1 1 0 8 1 scxspl 192 4743 0 4743 1 0 1 1 0 8 1 plimitpl 152 16 0 9 1 0 1 1 0 8 0 sigapl 432 235 0 222 2 0 2 2 0 8 0 futexpl 56 1038 0 1038 1 0 1 1 0 8 1 knotepl 112 60 0 41 1 0 1 1 0 8 0 kqueuepl 104 14 0 12 1 0 1 1 0 8 0 pipepl 112 146 0 127 1 0 1 1 0 8 0 fdescpl 424 236 0 222 2 0 2 2 0 8 0 filepl 120 1313 0 1217 4 0 4 4 0 8 1 lockfpl 104 12 0 11 1 0 1 1 0 8 0 lockfspl 48 6 0 5 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 17 0 7 1 0 1 1 0 8 0 ucredpl 96 68 0 61 1 0 1 1 0 8 0 zombiepl 144 222 0 222 1 0 1 1 0 8 1 processpl 872 251 0 222 4 0 4 4 0 8 0 procpl 632 300 0 263 4 0 4 4 0 8 0 sockpl 384 164 0 146 3 0 3 3 0 8 0 mcl8k 8192 1 0 1 1 0 1 1 0 8 1 mcl4k 4096 15 0 15 2 1 1 1 0 8 1 mcl2k2 2112 1 0 1 1 0 1 1 0 8 1 mcl2k 2048 67948 0 67912 16 3 13 14 0 8 8 mtagpl 80 26 0 12 2 1 1 1 0 8 0 mbufpl 256 107517 0 107425 11 0 11 11 0 8 1 bufpl 280 6195 0 1326 348 0 348 348 0 8 0 anonpl 16 41856 0 22412 80 1 79 79 0 107 0 amapchunkpl 152 1096 0 945 8 0 8 8 0 158 1 amappl16 192 1249 0 174 54 0 54 54 0 8 0 amappl15 184 65 0 59 1 0 1 1 0 8 0 amappl14 176 32 0 30 1 0 1 1 0 8 0 amappl13 168 1 0 0 1 0 1 1 0 8 0 amappl12 160 6 0 4 1 0 1 1 0 8 0 amappl11 152 50 0 39 1 0 1 1 0 8 0 amappl10 144 11 0 10 1 0 1 1 0 8 0 amappl9 136 574 0 569 1 0 1 1 0 8 0 amappl8 128 126 0 103 1 0 1 1 0 8 0 amappl7 120 98 0 87 1 0 1 1 0 8 0 amappl6 112 55 0 49 1 0 1 1 0 8 0 amappl5 104 143 0 134 1 0 1 1 0 8 0 amappl4 96 440 0 417 1 0 1 1 0 8 0 amappl3 88 116 0 108 1 0 1 1 0 8 0 amappl2 80 1102 0 1029 3 1 2 3 0 8 0 amappl1 72 14002 0 13578 27 14 13 20 0 8 4 amappl 80 521 0 478 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 24 236 0 222 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 236 0 222 1 0 1 1 0 8 0 vmmpekpl 168 5733 0 5708 2 0 2 2 0 8 0 vmmpepl 168 36931 0 34761 142 9 133 133 0 357 37 vmsppl 272 235 0 222 2 0 2 2 0 8 1 pdppl 4096 478 0 444 6 0 6 6 0 8 1 pvpl 32 133882 0 111478 185 0 185 185 0 265 4 pmappl 200 235 0 222 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 143 0 6 4 0 4 4 0 8 0