login: uvm_fault(0xfffffd806bc0abb0, 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(0xfffffd806bc0abb0, 0x0, 0, 2) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff80001d35cac0, count: 0 ddb> trace memcpy() at memcpy+0x15 sbappendstream(fffffd805db08008,fffffd805db08100,fffffd8057e1ab00) at sbappendstream+0x105 sys/kern/uipc_socket2.c:664 tcp_usrreq(fffffd805db08008,9,fffffd8057e1ab00,0,0,ffff80001d3a74f0) at tcp_usrreq+0x225 sys/netinet/tcp_usrreq.c:323 sosend(fffffd805db08008,0,ffff80001d35cd18,0,0,80) at sosend+0x669 sys/kern/uipc_socket.c:549 dofilewritev(ffff80001d3a74f0,4,ffff80001d35cd18,0,ffff80001d35ce00) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80001d3a74f0,ffff80001d35cdb0,ffff80001d35ce00) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff80001d35ce80) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdb530, count: -8 ddb> show registers rdi 0 rsi 0xfffffd8057e1ab70 rbp 0xffff80001d35ca60 rbx 0x1 rdx 0x90 rcx 0x12 rax 0 r8 0 r9 0x5 r10 0xced8fdb865e0e91d r11 0 r12 0xfffffd8057e1ab00 r13 0xfffffd8057e1ac00 r14 0x1 r15 0xfffffd805db08100 rip 0xffffffff81c53e25 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff80001d35c9e8 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (sshd) pid=304298 stat=onproc flags process=12 proc=0 pri=24, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff80001d3a8ae0,0xffff80001d3a7290 process=0xffff80001d38f880 user=0xffff80001d357000, vmspace=0xfffffd806bc0abb0 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 72221 283007 32015 0 2 0 syz-executor.1 72221 247131 32015 0 3 0x4000080 piperd syz-executor.1 72221 101069 32015 0 3 0x4000080 wsevent_read syz-executor.1 32015 352898 95587 0 3 0x82 nanosleep syz-executor.1 60027 205791 95587 0 2 0x2 syz-executor.0 95587 368821 19960 0 3 0x82 thrsleep syz-fuzzer 95587 63914 19960 0 2 0x4000002 syz-fuzzer 95587 42164 19960 0 3 0x4000082 thrsleep syz-fuzzer 95587 266887 19960 0 3 0x4000082 thrsleep syz-fuzzer 95587 434271 19960 0 3 0x4000082 thrsleep syz-fuzzer 95587 371059 19960 0 2 0x4000002 syz-fuzzer 95587 180636 19960 0 3 0x4000082 thrsleep syz-fuzzer 95587 230109 19960 0 3 0x4000082 thrsleep syz-fuzzer 19960 64055 12865 0 3 0x10008a pause ksh *12865 304298 16862 0 7 0x12 sshd 56571 396434 1 0 3 0x100083 ttyin getty 16862 227936 1 0 3 0x80 select sshd 7234 205646 2416 73 3 0x100090 kqread syslogd 2416 95871 1 0 3 0x100082 netio syslogd 81745 226490 1 77 3 0x100090 poll dhclient 2717 21572 1 0 3 0x80 poll dhclient 55860 504873 0 0 3 0x14200 bored smr 85595 289159 0 0 2 0x14200 zerothread 14057 83188 0 0 3 0x14200 aiodoned aiodoned 29954 344013 0 0 3 0x14200 syncer update 4443 250249 0 0 3 0x14200 cleaner cleaner 59884 292842 0 0 3 0x14200 reaper reaper 56770 240409 0 0 3 0x14200 pgdaemon pagedaemon 39585 203397 0 0 3 0x14200 bored crynlk 95211 127068 0 0 3 0x14200 bored crypto 96651 425646 0 0 3 0x40014200 acpi0 acpi0 78405 165612 0 0 3 0x14200 bored softnet 2950 376256 0 0 3 0x14200 bored systqmp 7639 163398 0 0 3 0x14200 bored systq 5821 269491 0 0 3 0x40014200 bored softclock 54094 409438 0 0 3 0x40014200 idle0 1 162480 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 9450 6332K 6454K 78643K 10562 0 pcb 13 8K 8K 78643K 19 0 rtable 105 3K 3K 78643K 189 0 ifaddr 39 10K 10K 78643K 41 0 counters 21 16K 16K 78643K 21 0 ioctlops 0 0K 2K 78643K 15 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1227 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 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 44 0 proc 47 38K 63K 78643K 358 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 33 2K 2K 78643K 36 0 ether_multi 1 0K 0K 78643K 2 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 181 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 97 21K 21K 78643K 917 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 4 0 NDP 5 0K 0K 78643K 9 0 temp 64 3012K 3076K 78643K 1833 0 kqueue 3 4K 7K 78643K 8 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 35 0 27 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 48 0 48 1 0 1 1 0 8 1 tcpcb 544 16 0 12 1 0 1 1 0 8 0 inpcb 280 48 0 41 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 189 0 0 12 0 12 12 0 8 0 art_table 32 190 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1427 0 27 46 0 46 46 0 8 0 ffsino 240 1427 0 27 83 0 83 83 0 8 0 nchpl 144 1667 0 57 60 0 60 60 0 8 0 uvmvnodes 72 1476 0 0 27 0 27 27 0 8 0 vnodes 208 1476 0 0 78 0 78 78 0 8 0 namei 1024 3979 0 3979 1 0 1 1 0 8 1 scxspl 192 4703 0 4703 1 0 1 1 0 8 1 plimitpl 152 18 0 11 1 0 1 1 0 8 0 sigapl 424 230 0 202 4 0 4 4 0 8 0 futexpl 56 301 0 301 1 0 1 1 0 8 1 knotepl 112 59 0 40 1 0 1 1 0 8 0 kqueuepl 144 8 0 6 1 0 1 1 0 8 0 pipelkpl 16 82 0 71 1 0 1 1 0 8 0 pipepl 120 164 0 143 1 0 1 1 0 8 0 fdescpl 432 216 0 202 2 0 2 2 0 8 0 filepl 120 1079 0 978 4 0 4 4 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 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 52 0 45 1 0 1 1 0 8 0 zombiepl 144 202 0 202 1 0 1 1 0 8 1 processpl 896 230 0 202 4 0 4 4 0 8 0 procpl 624 253 0 216 4 0 4 4 0 8 0 sockpl 400 102 0 85 3 0 3 3 0 8 1 mcl4k 4096 9 0 9 1 0 1 1 0 8 1 mcl2k 2048 63851 0 63804 17 3 14 15 0 8 7 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 100988 0 100863 10 1 9 9 0 8 0 bufpl 280 3974 0 161 273 0 273 273 0 8 0 anonpl 16 36701 0 21123 65 2 63 63 0 107 0 amapchunkpl 152 1000 0 869 7 0 7 7 0 158 0 amappl16 192 988 0 131 44 0 44 44 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 17 0 13 2 1 1 1 0 8 0 amappl13 168 23 0 22 1 0 1 1 0 8 0 amappl12 160 4 0 3 1 0 1 1 0 8 0 amappl11 152 59 0 47 1 0 1 1 0 8 0 amappl10 144 12 0 9 1 0 1 1 0 8 0 amappl9 136 370 0 365 1 0 1 1 0 8 0 amappl8 128 274 0 255 1 0 1 1 0 8 0 amappl7 120 109 0 98 1 0 1 1 0 8 0 amappl6 112 21 0 18 1 0 1 1 0 8 0 amappl5 104 193 0 183 1 0 1 1 0 8 0 amappl4 96 432 0 405 1 0 1 1 0 8 0 amappl3 88 110 0 102 1 0 1 1 0 8 0 amappl2 80 927 0 863 3 0 3 3 0 8 1 amappl1 72 13667 0 13250 26 9 17 20 0 8 8 amappl 80 471 0 430 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 24 216 0 202 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 216 0 202 1 0 1 1 0 8 0 vmmpekpl 168 5722 0 5698 2 0 2 2 0 8 0 vmmpepl 168 33693 0 31783 125 6 119 119 0 357 35 vmsppl 272 215 0 202 2 0 2 2 0 8 1 pdppl 4096 438 0 404 6 0 6 6 0 8 1 pvpl 32 122654 0 104143 154 0 154 154 0 265 2 pmappl 200 215 0 202 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 146 0 6 5 0 5 5 0 8 0