login: uvm_fault(0xfffffd806bc0a770, 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(0xfffffd806bc0a770, 0x0, 0, 2) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff80001d36c110, count: 0 ddb> trace memcpy() at memcpy+0x15 sbappendstream(fffffd805da82648,fffffd805da82740,fffffd805cc25800) at sbappendstream+0x105 sys/kern/uipc_socket2.c:666 tcp_usrreq(fffffd805da82648,9,fffffd805cc25800,0,0,ffff80001d3b74f0) at tcp_usrreq+0x225 sys/netinet/tcp_usrreq.c:323 sosend(fffffd805da82648,0,ffff80001d36c368,0,0,80) at sosend+0x669 sys/kern/uipc_socket.c:549 dofilewritev(ffff80001d3b74f0,4,ffff80001d36c368,0,ffff80001d36c450) at dofilewritev+0x1ab sys/kern/sys_generic.c:364 sys_write(ffff80001d3b74f0,ffff80001d36c400,ffff80001d36c450) at sys_write+0x83 sys/kern/sys_generic.c:284 syscall(ffff80001d36c4d0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe06d0, count: -8 ddb> show registers rdi 0 rsi 0xfffffd805bd76800 rbp 0xffff80001d36c0b0 rbx 0x1 rdx 0x18c rcx 0x31 rax 0 r8 0 r9 0x5 r10 0x749bdb77b7882a36 r11 0 r12 0xfffffd805cc25800 r13 0xfffffd805cc25900 r14 0x1 r15 0xfffffd805da82740 rip 0xffffffff82046bf5 memcpy+0x15 cs 0x8 rflags 0x10203 __ALIGN_SIZE+0xf203 rsp 0xffff80001d36c038 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (sshd) pid=23423 stat=onproc flags process=12 proc=0 pri=24, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff80001d3b7eb0,0xffff80001d3b7290 process=0xffff80001d39ee00 user=0xffff80001d367000, vmspace=0xfffffd806bc0a770 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 22539 117396 6889 0 2 0x2 syz-executor.0 45021 84284 6889 0 2 0x2 syz-executor.1 6889 7562 67936 0 3 0x82 thrsleep syz-fuzzer 6889 13244 67936 0 2 0x4000002 syz-fuzzer 6889 202434 67936 0 2 0x4000002 syz-fuzzer 6889 42757 67936 0 3 0x4000082 thrsleep syz-fuzzer 6889 417735 67936 0 3 0x4000082 thrsleep syz-fuzzer 6889 38413 67936 0 3 0x4000082 thrsleep syz-fuzzer 6889 376260 67936 0 3 0x4000082 thrsleep syz-fuzzer 67936 317428 34380 0 3 0x10008a pause ksh *34380 23423 79184 0 7 0x12 sshd 5018 302031 1 0 3 0x100083 ttyin getty 79184 389251 1 0 3 0x80 select sshd 330 401174 64982 73 3 0x100090 kqread syslogd 64982 212740 1 0 3 0x100082 netio syslogd 55438 23975 1 77 3 0x100090 poll dhclient 40128 455363 1 0 3 0x80 poll dhclient 48337 212020 0 0 3 0x14200 pgzero zerothread 29701 347331 0 0 3 0x14200 aiodoned aiodoned 83010 197105 0 0 3 0x14200 syncer update 74912 66393 0 0 3 0x14200 cleaner cleaner 87495 449714 0 0 3 0x14200 reaper reaper 52212 433250 0 0 3 0x14200 pgdaemon pagedaemon 59209 215694 0 0 3 0x14200 bored crynlk 68319 489886 0 0 3 0x14200 bored crypto 84848 41377 0 0 3 0x40014200 acpi0 acpi0 40443 141128 0 0 3 0x14200 bored softnet 35576 308103 0 0 3 0x14200 bored systqmp 35170 355517 0 0 3 0x14200 bored systq 5734 180405 0 0 3 0x40014200 bored softclock 19635 497470 0 0 3 0x40014200 idle0 9336 82091 0 0 3 0x14200 bored smr 1 409419 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 9457 6327K 6843K 78643K 10605 0 pcb 13 8K 8K 78643K 31 0 rtable 93 2K 3K 78643K 203 0 ifaddr 42 10K 11K 78643K 57 0 counters 21 16K 16K 78643K 23 0 ioctlops 0 0K 2K 78643K 15 0 iov 0 0K 12K 78643K 4 0 mount 1 1K 1K 78643K 1 0 vnodes 1215 76K 76K 78643K 1237 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 4 0K 0K 78643K 4 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 4 9K 25K 78643K 58 0 proc 47 38K 63K 78643K 361 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 8 0 in_multi 23 1K 2K 78643K 40 0 ether_multi 1 0K 0K 78643K 4 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 31 148K 148K 78643K 31 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 98 21K 21K 78643K 963 0 UVM aobj 2 2K 2K 78643K 2 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 16 0 NDP 6 0K 0K 78643K 12 0 temp 65 3003K 3067K 78643K 1913 0 kqueue 3 4K 18K 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 7 2 0 2 2 0 8 0 unpcb 120 25 0 17 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 60 0 60 1 0 1 1 0 8 1 tcpcb 544 48 0 44 1 0 1 1 0 8 0 inpcb 280 94 0 87 1 0 1 1 0 8 0 nd6 48 4 0 2 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 213 0 39 14 0 14 14 0 8 1 art_table 32 214 0 39 2 0 2 2 0 8 0 art_node 16 44 0 9 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 6 1 0 1 1 0 8 1 semapl 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 1456 0 56 46 0 46 46 0 8 0 ffsino 240 1456 0 56 83 0 83 83 0 8 0 nchpl 144 1722 0 111 60 0 60 60 0 8 0 uvmvnodes 72 1513 0 0 28 0 28 28 0 8 0 vnodes 208 1513 0 0 80 0 80 80 0 8 0 namei 1024 4238 0 4238 1 0 1 1 0 8 1 scxspl 192 4858 0 4858 1 0 1 1 0 8 1 plimitpl 152 20 0 13 1 0 1 1 0 8 0 sigapl 432 229 0 217 2 0 2 2 0 8 0 futexpl 56 663 0 663 1 0 1 1 0 8 1 knotepl 112 61 0 42 1 0 1 1 0 8 0 kqueuepl 104 12 0 10 1 0 1 1 0 8 0 pipelkpl 16 73 0 63 1 0 1 1 0 8 0 pipepl 120 146 0 127 1 0 1 1 0 8 0 fdescpl 432 230 0 217 2 0 2 2 0 8 0 filepl 120 1227 0 1132 4 0 4 4 0 8 1 lockfpl 104 13 0 12 1 0 1 1 0 8 0 lockfspl 48 5 0 4 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 96 55 0 48 1 0 1 1 0 8 0 zombiepl 144 217 0 217 1 0 1 1 0 8 1 processpl 896 244 0 217 4 0 4 4 0 8 0 procpl 624 280 0 247 4 0 4 4 0 8 1 sockpl 400 140 0 123 3 0 3 3 0 8 1 mcl64k 65536 3 0 3 1 0 1 1 0 8 1 mcl12k 12288 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 1 0 1 1 0 1 1 0 8 1 mcl4k 4096 13 0 13 1 0 1 1 0 8 1 mcl2k 2048 64753 0 64706 15 2 13 13 0 8 6 mtagpl 80 4 0 2 2 1 1 1 0 8 0 mbufpl 256 102379 0 102292 10 1 9 9 0 8 1 bufpl 280 4056 0 178 277 0 277 277 0 8 0 anonpl 16 37413 0 21934 65 2 63 63 0 107 0 amapchunkpl 152 1050 0 922 8 0 8 8 0 158 2 amappl16 192 1020 0 170 43 0 43 43 0 8 0 amappl15 184 75 0 69 1 0 1 1 0 8 0 amappl14 176 39 0 36 1 0 1 1 0 8 0 amappl12 160 3 0 3 1 1 0 1 0 8 0 amappl11 152 46 0 35 1 0 1 1 0 8 0 amappl10 144 10 0 8 1 0 1 1 0 8 0 amappl9 136 563 0 558 1 0 1 1 0 8 0 amappl8 128 98 0 83 1 0 1 1 0 8 0 amappl7 120 92 0 81 1 0 1 1 0 8 0 amappl6 112 52 0 47 1 0 1 1 0 8 0 amappl5 104 133 0 123 1 0 1 1 0 8 0 amappl4 96 426 0 400 1 0 1 1 0 8 0 amappl3 88 143 0 131 1 0 1 1 0 8 0 amappl2 80 1010 0 949 3 0 3 3 0 8 1 amappl1 72 13902 0 13505 27 10 17 20 0 8 8 amappl 80 502 0 463 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 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 230 0 217 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 230 0 217 1 0 1 1 0 8 0 vmmpekpl 168 5742 0 5719 2 0 2 2 0 8 0 vmmpepl 168 35196 0 33385 117 7 110 110 0 357 27 vmsppl 272 229 0 217 2 0 2 2 0 8 1 pdppl 4096 466 0 434 6 0 6 6 0 8 1 pvpl 32 126615 0 108244 150 0 150 150 0 265 1 pmappl 200 229 0 217 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 148 0 5 5 0 5 5 0 8 0