uvm_fault(0xfffffd806bc0a550, 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(0xfffffd806bc0a550, 0x0, 0, 2) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff80001d3685b0, count: 0 ddb> trace memcpy() at memcpy+0x15 sbappendstream(fffffd805d8ec908,fffffd805d8ec9f8,fffffd8055a15d00) at sbappendstream+0x105 sys/kern/uipc_socket2.c:665 tcp_usrreq(fffffd805d8ec908,9,fffffd8055a15d00,0,0,ffff8000ffff4010) at tcp_usrreq+0x225 sys/netinet/tcp_usrreq.c:323 sosend(fffffd805d8ec908,0,ffff80001d368808,0,0,80) at sosend+0x669 sys/kern/uipc_socket.c:524 dofilewritev(ffff8000ffff4010,4,ffff80001d368808,0,ffff80001d3688f0) at dofilewritev+0x1ac sys/kern/sys_generic.c:364 sys_write(ffff8000ffff4010,ffff80001d3688a0,ffff80001d3688f0) at sys_write+0x83 sys/kern/sys_generic.c:284 syscall(ffff80001d368970) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffeb0a0, count: -8 ddb> show registers rdi 0 rsi 0xfffffd8005d29800 rbp 0xffff80001d368550 rbx 0x1 rdx 0x1f4 rcx 0x3e rax 0 r8 0 r9 0x5 r10 0xbfe390c757a2da89 r11 0 r12 0xfffffd8055a15d00 r13 0xfffffd8055a15e00 r14 0x1 r15 0xfffffd805d8ec9f8 rip 0xffffffff81aaad05 memcpy+0x15 cs 0x8 rflags 0x10203 __ALIGN_SIZE+0xf203 rsp 0xffff80001d3684d8 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (sshd) pid=16336 stat=onproc flags process=12 proc=0 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff58c0,0xffff8000ffff4788 process=0xffff80001d39b120 user=0xffff80001d363000, vmspace=0xfffffd806bc0a550 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 77265 21220 0 0 3 0x14200 bored sosplice 57987 157146 89957 0 3 0x82 nanosleep syz-executor.0 60077 315524 89957 0 2 0x2 syz-executor.1 89957 68365 63696 0 3 0x82 thrsleep syz-fuzzer 89957 478677 63696 0 3 0x4000082 nanosleep syz-fuzzer 89957 131519 63696 0 3 0x4000082 thrsleep syz-fuzzer 89957 97739 63696 0 3 0x4000082 thrsleep syz-fuzzer 89957 211444 63696 0 2 0x4000002 syz-fuzzer 89957 230561 63696 0 3 0x4000082 thrsleep syz-fuzzer 89957 261616 63696 0 3 0x4000082 thrsleep syz-fuzzer 63696 440092 44540 0 3 0x10008a pause ksh *44540 16336 4107 0 7 0x12 sshd 74892 190777 1 0 3 0x100083 ttyin getty 4107 255554 1 0 3 0x80 select sshd 74713 232338 45391 73 3 0x100090 kqread syslogd 45391 395096 1 0 3 0x100082 netio syslogd 48903 154155 1 77 3 0x100090 poll dhclient 37381 153281 1 0 3 0x80 poll dhclient 48070 27803 0 0 3 0x14200 pgzero zerothread 69807 321838 0 0 3 0x14200 aiodoned aiodoned 49836 375246 0 0 3 0x14200 syncer update 36827 74921 0 0 3 0x14200 cleaner cleaner 90152 194941 0 0 3 0x14200 reaper reaper 79036 210469 0 0 3 0x14200 pgdaemon pagedaemon 65274 395866 0 0 3 0x14200 bored crynlk 22174 337156 0 0 3 0x14200 bored crypto 8568 36151 0 0 3 0x40014200 acpi0 acpi0 57526 62090 0 0 3 0x14200 bored softnet 97224 354614 0 0 3 0x14200 bored systqmp 96145 332574 0 0 3 0x14200 bored systq 31823 58122 0 0 3 0x40014200 bored softclock 70544 52317 0 0 3 0x40014200 idle0 26202 246837 0 0 3 0x14200 bored smr 1 171444 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 9479 6335K 6782K 78643K 10821 0 pcb 13 8K 8K 78643K 45 0 rtable 110 3K 4K 78643K 224 0 ifaddr 64 13K 14K 78643K 86 0 counters 19 16K 16K 78643K 19 0 ioctlops 0 0K 2K 78643K 25 0 iov 0 0K 16K 78643K 24 0 mount 1 1K 1K 78643K 1 0 vnodes 1216 76K 77K 78643K 1295 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 12 1K 1K 78643K 22 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 4 9K 25K 78643K 118 0 sigio 0 0K 0K 78643K 4 0 proc 48 38K 63K 78643K 362 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 59 3K 3K 78643K 62 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 42 185K 185K 78643K 42 0 exec 0 0K 1K 78643K 187 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 110 37K 58K 78643K 1137 0 UVM aobj 8 2K 2K 78643K 10 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 32 0 NDP 9 0K 0K 78643K 16 0 temp 105 3030K 3094K 78643K 3490 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 7 0 0 1 0 1 1 0 8 0 rtpcb 80 23 0 21 1 0 1 1 0 8 0 rtentry 112 46 0 1 2 0 2 2 0 8 0 unpcb 120 93 0 85 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 262 0 262 2 1 1 1 0 8 1 tcpcb 544 36 0 31 1 0 1 1 0 8 0 inpcb 280 126 0 117 2 0 2 2 0 8 1 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 3 0 3 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 212 0 0 14 0 14 14 0 8 0 art_table 32 213 0 0 2 0 2 2 0 8 0 art_node 16 45 0 4 1 0 1 1 0 8 0 sysvmsgpl 40 26 0 21 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 20 0 10 1 0 1 1 0 8 0 shmpl 112 8 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1573 0 175 46 0 46 46 0 8 0 ffsino 240 1573 0 175 83 0 83 83 0 8 0 nchpl 144 1941 0 328 60 0 60 60 0 8 0 uvmvnodes 72 1672 0 0 31 0 31 31 0 8 0 vnodes 208 1672 0 0 88 0 88 88 0 8 0 namei 1024 4887 0 4887 2 1 1 1 0 8 1 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 528 4 0 2 1 0 1 1 0 8 0 scxspl 192 5199 0 5199 1 0 1 1 0 8 1 plimitpl 152 18 0 11 1 0 1 1 0 8 0 sigapl 432 289 0 277 2 0 2 2 0 8 0 futexpl 56 2505 0 2505 1 0 1 1 0 8 1 knotepl 112 65 0 46 1 0 1 1 0 8 0 kqueuepl 104 22 0 20 1 0 1 1 0 8 0 pipepl 128 190 0 171 2 1 1 1 0 8 0 fdescpl 424 290 0 277 2 0 2 2 0 8 0 filepl 120 1749 0 1654 4 0 4 4 0 8 1 lockfpl 104 21 0 20 1 0 1 1 0 8 0 lockfspl 48 9 0 8 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 90 0 83 1 0 1 1 0 8 0 zombiepl 144 277 0 276 3 2 1 1 0 8 0 processpl 872 305 0 276 4 0 4 4 0 8 0 procpl 632 421 0 386 4 0 4 4 0 8 0 sosppl 128 2 0 2 1 0 1 1 0 8 1 sockpl 384 242 0 224 4 0 4 4 0 8 2 mcl64k 65536 12 0 12 1 0 1 1 0 8 1 mcl12k 12288 3 0 3 1 0 1 1 0 8 1 mcl9k 9216 2 0 2 1 0 1 1 0 8 1 mcl8k 8192 5 0 5 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 68495 0 68441 19 4 15 16 0 8 8 mtagpl 80 4 0 2 2 1 1 1 0 8 0 mbufpl 256 108258 0 108155 12 2 10 10 0 8 2 bufpl 280 6260 0 1326 353 0 353 353 0 8 0 anonpl 16 50286 0 31284 98 2 96 96 0 107 18 amapchunkpl 152 1579 0 1425 17 0 17 17 0 158 9 amappl16 192 1498 0 446 55 0 55 55 0 8 2 amappl15 184 91 0 86 1 0 1 1 0 8 0 amappl14 176 26 0 24 2 1 1 1 0 8 0 amappl13 168 46 0 44 1 0 1 1 0 8 0 amappl12 160 4 0 4 1 1 0 1 0 8 0 amappl11 152 49 0 38 1 0 1 1 0 8 0 amappl10 144 12 0 9 1 0 1 1 0 8 0 amappl9 136 542 0 537 1 0 1 1 0 8 0 amappl8 128 114 0 93 1 0 1 1 0 8 0 amappl7 120 97 0 86 1 0 1 1 0 8 0 amappl6 112 53 0 48 1 0 1 1 0 8 0 amappl5 104 195 0 184 1 0 1 1 0 8 0 amappl4 96 545 0 514 1 0 1 1 0 8 0 amappl3 88 120 0 111 1 0 1 1 0 8 0 amappl2 80 1579 0 1520 4 2 2 3 0 8 0 amappl1 72 14797 0 14395 26 16 10 20 0 8 0 amappl 80 666 0 622 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 9 0 2 1 0 1 1 0 8 0 uaddrrnd 24 294 0 279 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 294 0 279 1 0 1 1 0 8 0 vmmpekpl 168 6033 0 6010 2 0 2 2 0 8 0 vmmpepl 168 42984 0 40941 145 14 131 131 0 357 37 vmsppl 272 293 0 279 2 0 2 2 0 8 0 pdppl 4096 594 0 560 6 0 6 6 0 8 1 pvpl 32 150425 0 128519 223 1 222 222 0 265 42 pmappl 200 293 0 279 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 149 0 10 4 0 4 4 0 8 0