uvm_fault(0xfffffd806bc09990, 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(0xfffffd806bc09990, 0x0, 0, 2) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff80001d3685f0, count: 0 ddb> trace memcpy() at memcpy+0x15 sbappendstream(fffffd805e4d5900,fffffd805e4d59f0,fffffd805e2c5100) at sbappendstream+0x105 sys/kern/uipc_socket2.c:665 tcp_usrreq(fffffd805e4d5900,9,fffffd805e2c5100,0,0,ffff8000ffff49f0) at tcp_usrreq+0x225 sys/netinet/tcp_usrreq.c:323 sosend(fffffd805e4d5900,0,ffff80001d368848,0,0,80) at sosend+0x669 sys/kern/uipc_socket.c:538 dofilewritev(ffff8000ffff49f0,4,ffff80001d368848,0,ffff80001d368930) at dofilewritev+0x1ac sys/kern/sys_generic.c:364 sys_write(ffff8000ffff49f0,ffff80001d3688e0,ffff80001d368930) at sys_write+0x83 sys/kern/sys_generic.c:284 syscall(ffff80001d3689b0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff5df0, count: -8 ddb> show registers rdi 0 rsi 0xfffffd805c77d000 rbp 0xffff80001d368590 rbx 0x1 rdx 0x1b4 rcx 0x36 rax 0 r8 0 r9 0x5 r10 0xd6ecffd62a5710ea r11 0 r12 0xfffffd805e2c5100 r13 0xfffffd805e2c5200 r14 0x1 r15 0xfffffd805e4d59f0 rip 0xffffffff8135cf75 memcpy+0x15 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff80001d368518 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (sshd) pid=453450 stat=onproc flags process=12 proc=0 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff58c0,0xffff8000ffff4ef0 process=0xffff80001d39adb8 user=0xffff80001d363000, vmspace=0xfffffd806bc09990 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 1583 437067 28502 0 2 0 syz-executor.0 1583 470060 28502 0 2 0x4000000 syz-executor.0 10035 128715 2308 0 2 0x2 syz-executor.1 46003 119769 0 0 3 0x14200 bored sosplice 28502 230885 2308 0 3 0x82 nanosleep syz-executor.0 2308 139260 42115 0 3 0x82 thrsleep syz-fuzzer 2308 459260 42115 0 3 0x4000082 nanosleep syz-fuzzer 2308 407946 42115 0 3 0x4000082 thrsleep syz-fuzzer 2308 403444 42115 0 3 0x4000082 thrsleep syz-fuzzer 2308 421068 42115 0 3 0x4000082 thrsleep syz-fuzzer 2308 211731 42115 0 2 0x4000002 syz-fuzzer 2308 509284 42115 0 3 0x4000082 thrsleep syz-fuzzer 2308 65805 42115 0 3 0x4000082 thrsleep syz-fuzzer 42115 254550 85530 0 3 0x10008a pause ksh *85530 453450 49380 0 7 0x12 sshd 64559 122729 1 0 3 0x100083 ttyin getty 49380 212755 1 0 3 0x80 select sshd 99023 515055 23181 73 3 0x100090 kqread syslogd 23181 14250 1 0 3 0x100082 netio syslogd 38903 16446 1 77 3 0x100090 poll dhclient 1591 187355 1 0 3 0x80 poll dhclient 39978 521795 0 0 2 0x14200 zerothread 40140 385735 0 0 3 0x14200 aiodoned aiodoned 26787 148842 0 0 3 0x14200 syncer update 15827 231088 0 0 3 0x14200 cleaner cleaner 15156 198694 0 0 3 0x14200 reaper reaper 78033 376082 0 0 3 0x14200 pgdaemon pagedaemon 32364 137043 0 0 3 0x14200 bored crynlk 79288 365879 0 0 3 0x14200 bored crypto 83324 138417 0 0 3 0x40014200 acpi0 acpi0 58965 215631 0 0 3 0x14200 bored softnet 39146 464382 0 0 3 0x14200 bored systqmp 21928 271959 0 0 3 0x14200 bored systq 66614 86680 0 0 3 0x40014200 bored softclock 12043 161126 0 0 3 0x40014200 idle0 83656 212298 0 0 3 0x14200 bored smr 1 27389 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 9467 6338K 6467K 78643K 10680 0 pcb 13 8K 8K 78643K 39 0 rtable 105 3K 3K 78643K 258 0 ifaddr 48 11K 12K 78643K 64 0 counters 19 16K 16K 78643K 19 0 ioctlops 0 0K 2K 78643K 40 0 iov 0 0K 12K 78643K 18 0 mount 1 1K 1K 78643K 1 0 vnodes 1221 77K 77K 78643K 1307 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 0K 0K 78643K 205 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 813 0 sigio 0 0K 0K 78643K 6 0 proc 49 38K 63K 78643K 427 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 16 0 in_multi 48 2K 2K 78643K 57 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 49 228K 228K 78643K 49 0 exec 0 0K 1K 78643K 204 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 24K 78643K 2281 0 UVM aobj 22 3K 3K 78643K 22 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 7 0K 0K 78643K 14 0 temp 82 3010K 3077K 78643K 6350 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 8 0 2 1 0 1 1 0 8 0 rtpcb 80 171 0 169 1 0 1 1 0 8 0 rtentry 112 56 0 12 2 0 2 2 0 8 0 unpcb 120 361 0 353 2 0 2 2 0 8 1 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 125 0 125 1 1 0 1 0 8 0 tcpcb 544 66 0 62 1 0 1 1 0 8 0 inpcb 280 212 0 205 2 1 1 2 0 8 0 nd6 48 7 0 3 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 257 0 45 14 0 14 14 0 8 0 art_table 32 258 0 45 2 0 2 2 0 8 0 art_node 16 55 0 15 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 2 1 0 1 1 0 8 0 semapl 112 203 0 193 1 0 1 1 0 8 0 shmpl 112 20 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2275 0 875 46 0 46 46 0 8 0 ffsino 240 2275 0 875 83 0 83 83 0 8 0 nchpl 144 3433 0 1836 60 0 60 60 0 8 0 uvmvnodes 72 2385 0 0 44 0 44 44 0 8 0 vnodes 208 2385 0 0 126 0 126 126 0 8 0 namei 1024 8376 0 8376 1 0 1 1 0 8 1 scxspl 192 9797 0 9797 1 0 1 1 0 8 1 plimitpl 152 21 0 14 1 0 1 1 0 8 0 sigapl 432 981 0 968 2 0 2 2 0 8 0 futexpl 56 4438 0 4438 1 0 1 1 0 8 1 knotepl 112 69 0 50 1 0 1 1 0 8 0 kqueuepl 104 40 0 38 1 0 1 1 0 8 0 pipepl 112 286 0 267 1 0 1 1 0 8 0 fdescpl 424 982 0 968 2 0 2 2 0 8 0 filepl 120 3401 0 3306 5 0 5 5 0 8 2 lockfpl 104 112 0 111 1 0 1 1 0 8 0 lockfspl 48 36 0 35 1 0 1 1 0 8 0 sessionpl 112 18 0 8 1 0 1 1 0 8 0 pgrppl 48 18 0 8 1 0 1 1 0 8 0 ucredpl 96 303 0 296 1 0 1 1 0 8 0 zombiepl 144 968 0 968 1 0 1 1 0 8 1 processpl 872 997 0 968 4 0 4 4 0 8 0 procpl 632 1518 0 1481 4 0 4 4 0 8 0 sockpl 384 746 0 729 6 1 5 6 0 8 3 mcl64k 65536 3 0 3 1 0 1 1 0 8 1 mcl16k 16384 2 0 2 1 0 1 1 0 8 1 mcl12k 12288 3 0 3 2 1 1 1 0 8 1 mcl9k 9216 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 12 0 12 1 0 1 1 0 8 1 mcl4k 4096 16 0 16 2 1 1 1 0 8 1 mcl2k 2048 62620 0 62583 14 8 6 12 0 8 1 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 102982 0 102880 12 1 11 12 0 8 0 bufpl 280 7348 0 1326 431 0 431 431 0 8 0 anonpl 16 68610 0 55929 79 1 78 78 0 107 16 amapchunkpl 152 3077 0 2948 9 2 7 8 0 158 1 amappl16 192 2939 0 2107 53 2 51 53 0 8 8 amappl15 184 52 0 48 1 0 1 1 0 8 0 amappl14 176 40 0 36 1 0 1 1 0 8 0 amappl12 160 395 0 392 2 1 1 1 0 8 0 amappl11 152 428 0 416 1 0 1 1 0 8 0 amappl10 144 12 0 10 1 0 1 1 0 8 0 amappl9 136 579 0 575 1 0 1 1 0 8 0 amappl8 128 115 0 93 1 0 1 1 0 8 0 amappl7 120 97 0 85 1 0 1 1 0 8 0 amappl6 112 261 0 256 1 0 1 1 0 8 0 amappl5 104 536 0 522 1 0 1 1 0 8 0 amappl4 96 656 0 626 1 0 1 1 0 8 0 amappl3 88 362 0 354 1 0 1 1 0 8 0 amappl2 80 4581 0 4511 3 1 2 3 0 8 0 amappl1 72 21254 0 20831 26 16 10 20 0 8 0 amappl 80 1773 0 1732 2 0 2 2 0 84 1 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 21 0 0 1 0 1 1 0 8 0 uaddrrnd 24 982 0 968 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 982 0 968 1 0 1 1 0 8 0 vmmpekpl 168 7624 0 7602 2 0 2 2 0 8 0 vmmpepl 168 108677 0 106747 132 16 116 116 0 357 32 vmsppl 272 981 0 968 2 1 1 2 0 8 0 pdppl 4096 1970 0 1936 6 1 5 6 0 8 0 pvpl 32 220943 0 205254 187 2 185 185 0 265 37 pmappl 200 981 0 968 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 144 0 14 4 0 4 4 0 8 0