uvm_fault(0xfffffd806bc0a990, 0x0, 0, 1) -> 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(0xfffffd806bc0a990, 0x0, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff80001d74a9a0, count: 0 ddb> trace memcpy() at memcpy+0x15 tcp_usrreq(fffffd805dac84b8,9,fffffd805c829900,0,0,ffff80001d797760) at tcp_usrreq+0xa54 sosend(fffffd805dac84b8,0,ffff80001d74ab48,0,0,80) at sosend+0x669 sys/kern/uipc_socket.c:549 dofilewritev(ffff80001d797760,4,ffff80001d74ab48,0,ffff80001d74ac30) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80001d797760,ffff80001d74abe0,ffff80001d74ac30) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff80001d74acb0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd78f0, count: -7 ddb> show registers rdi 0xfffffd805c8292b0 rsi 0 rbp 0xffff80001d74a8f0 rbx 0xfffffd805c829a00 rdx 0x28 rcx 0x5 rax 0 r8 0xffffffff8135e01a tcp_output+0xbea r9 0x5 r10 0x39412c64ab508f90 r11 0xfffffd805c8292b0 r12 0xfffffd805c829200 r13 0x28 r14 0x28 r15 0x10 rip 0xffffffff819ab365 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff80001d74a758 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (sshd) pid=173211 stat=onproc flags process=12 proc=0 pri=24, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff80001d798390,0xffff80001d797020 process=0xffff8000ffff83b0 user=0xffff80001d745000, vmspace=0xfffffd806bc0a990 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 10335 196928 98393 0 2 0x2 syz-executor.1 199 2010 98393 0 2 0x2 syz-executor.0 229 228088 0 0 3 0x14200 acct acct 90255 395657 0 0 3 0x14200 bored sosplice 98393 444566 49961 0 3 0x82 thrsleep syz-fuzzer 98393 165246 49961 0 3 0x4000082 nanosleep syz-fuzzer 98393 422465 49961 0 3 0x4000082 thrsleep syz-fuzzer 98393 424449 49961 0 3 0x4000082 thrsleep syz-fuzzer 98393 226298 49961 0 3 0x4000082 thrsleep syz-fuzzer 98393 374280 49961 0 2 0x4000002 syz-fuzzer 98393 2726 49961 0 3 0x4000082 thrsleep syz-fuzzer 98393 6629 49961 0 3 0x4000082 thrsleep syz-fuzzer 49961 86482 70915 0 3 0x10008a pause ksh *70915 173211 39055 0 7 0x12 sshd 94611 45573 1 0 3 0x100083 ttyin getty 39055 396741 1 0 3 0x80 select sshd 81065 164919 5666 73 3 0x100090 kqread syslogd 5666 77559 1 0 3 0x100082 netio syslogd 59117 17575 1 77 3 0x100090 poll dhclient 51308 414291 1 0 3 0x80 poll dhclient 80809 141646 0 0 3 0x14200 bored smr 57826 412957 0 0 2 0x14200 zerothread 16442 128799 0 0 3 0x14200 aiodoned aiodoned 73788 335801 0 0 3 0x14200 syncer update 84945 250437 0 0 3 0x14200 cleaner cleaner 73514 232929 0 0 3 0x14200 reaper reaper 30946 34642 0 0 3 0x14200 pgdaemon pagedaemon 87570 233813 0 0 3 0x14200 bored crynlk 97028 212819 0 0 3 0x14200 bored crypto 85250 489528 0 0 3 0x40014200 acpi0 acpi0 10124 81222 0 0 3 0x14200 bored softnet 53594 367497 0 0 3 0x14200 bored systqmp 15679 389109 0 0 3 0x14200 bored systq 85942 41591 0 0 3 0x40014200 bored softclock 45827 276302 0 0 3 0x40014200 idle0 1 113151 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 9488 6338K 6726K 78643K 11027 0 pcb 13 8K 8K 78643K 51 0 rtable 106 3K 5K 78643K 378 0 ifaddr 68 14K 14K 78643K 111 0 counters 21 16K 16K 78643K 25 0 ioctlops 0 0K 4K 78643K 52 0 iov 0 0K 16K 78643K 52 0 mount 1 1K 1K 78643K 1 0 vnodes 1222 77K 77K 78643K 1411 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 5 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 0K 78643K 39 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 4 9K 25K 78643K 283 0 proc 49 38K 54K 78643K 497 0 subproc 32 2K 2K 78643K 85 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 11 0 in_multi 52 2K 2K 78643K 109 0 ether_multi 1 0K 0K 78643K 7 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 230 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 136 24K 40K 78643K 1571 0 UVM aobj 14 4K 4K 78643K 14 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 36 0 NDP 10 0K 0K 78643K 25 0 temp 87 3031K 3095K 78643K 5827 0 kqueue 3 4K 13K 78643K 18 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 12 0 6 1 0 1 1 0 8 0 rtpcb 80 33 0 31 1 0 1 1 0 8 0 rtentry 112 82 0 38 3 1 2 2 0 8 0 unpcb 120 195 0 187 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 462 0 462 1 1 0 1 0 8 0 tcpcb 544 70 0 66 1 0 1 1 0 8 0 ipq 40 2 0 2 1 1 0 1 0 8 0 ipqe 40 4 0 4 1 1 0 1 0 8 0 inpcb 280 480 0 473 4 2 2 2 0 8 1 nd6 48 16 0 10 1 0 1 1 0 8 0 pfstscr 40 2 0 0 1 0 1 1 0 8 0 pfrktable 1344 16 0 16 1 1 0 1 0 8 0 pftag 88 4 0 4 1 1 0 1 0 8 0 pfstitem 24 3 0 0 1 0 1 1 0 8 0 pfstkey 112 3 0 0 1 0 1 1 0 8 0 pfstate 328 2 0 0 1 0 1 1 0 8 0 pfrule 1360 8 0 6 2 1 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 352 0 164 15 3 12 12 0 8 0 art_table 32 353 0 164 2 0 2 2 0 8 0 art_node 16 81 0 41 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 35 0 25 1 0 1 1 0 8 0 shmpl 112 12 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1715 0 317 88 0 88 88 0 8 0 ffsino 240 1715 0 317 83 0 83 83 0 8 0 nchpl 144 2244 0 655 60 0 60 60 0 8 0 uvmvnodes 72 1917 0 0 35 0 35 35 0 8 0 vnodes 208 1917 0 0 101 0 101 101 0 8 0 namei 1024 6076 0 6075 4 3 1 1 0 8 0 vmpool 528 2 0 2 1 1 0 1 0 8 0 pfiaddrpl 120 4 0 4 1 1 0 1 0 8 0 scxspl 192 10724 0 10724 1 0 1 1 0 8 1 plimitpl 152 40 0 33 1 0 1 1 0 8 0 sigapl 424 462 0 433 4 0 4 4 0 8 0 futexpl 56 4842 0 4842 4 3 1 1 0 8 1 knotepl 112 111 0 92 1 0 1 1 0 8 0 kqueuepl 144 41 0 38 1 0 1 1 0 8 0 pipelkpl 16 114 0 104 1 0 1 1 0 8 0 pipepl 120 228 0 209 1 0 1 1 0 8 0 fdescpl 432 446 0 433 2 0 2 2 0 8 0 filepl 120 2610 0 2515 5 1 4 4 0 8 1 lockfpl 104 53 0 52 1 0 1 1 0 8 0 lockfspl 48 22 0 21 1 0 1 1 0 8 0 sessionpl 112 20 0 10 1 0 1 1 0 8 0 pgrppl 48 22 0 12 1 0 1 1 0 8 0 ucredpl 96 199 0 192 1 0 1 1 0 8 0 zombiepl 144 433 0 433 2 1 1 1 0 8 1 processpl 920 462 0 433 5 1 4 5 0 8 0 procpl 624 717 0 681 5 1 4 4 0 8 0 sosppl 128 10 0 10 2 2 0 1 0 8 0 sockpl 400 710 0 693 6 3 3 4 0 8 1 mcl64k 65536 15 0 15 3 2 1 1 0 8 1 mcl16k 16384 2 0 2 2 1 1 1 0 8 1 mcl12k 12288 6 0 6 2 2 0 1 0 8 0 mcl9k 9216 3 0 3 2 2 0 1 0 8 0 mcl8k 8192 6 0 6 3 2 1 1 0 8 1 mcl4k 4096 24 0 23 4 3 1 1 0 8 0 mcl2k2 2112 2 0 2 1 1 0 1 0 8 0 mcl2k 2048 73569 0 73510 22 13 9 18 0 8 1 mtagpl 80 25 0 21 3 2 1 1 0 8 0 mbufpl 256 118367 0 118225 17 7 10 13 0 8 0 bufpl 280 5282 0 129 369 0 369 369 0 8 0 anonpl 16 62783 0 45887 71 2 69 69 0 107 1 amapchunkpl 152 3339 0 3197 20 11 9 20 0 158 3 amappl16 192 1920 0 1015 48 2 46 46 0 8 0 amappl15 184 7 0 6 1 0 1 1 0 8 0 amappl14 176 226 0 218 1 0 1 1 0 8 0 amappl13 168 48 0 45 1 0 1 1 0 8 0 amappl12 160 79 0 76 2 1 1 1 0 8 0 amappl11 152 50 0 41 1 0 1 1 0 8 0 amappl10 144 17 0 9 1 0 1 1 0 8 0 amappl9 136 375 0 371 1 0 1 1 0 8 0 amappl8 128 405 0 358 2 0 2 2 0 8 0 amappl7 120 127 0 114 1 0 1 1 0 8 0 amappl6 112 28 0 23 1 0 1 1 0 8 0 amappl5 104 345 0 333 1 0 1 1 0 8 0 amappl4 96 527 0 502 1 0 1 1 0 8 0 amappl3 88 301 0 296 1 0 1 1 0 8 0 amappl2 80 2535 0 2477 2 0 2 2 0 8 0 amappl1 72 18103 0 17705 23 14 9 17 0 8 0 amappl 80 993 0 951 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 13 0 0 1 0 1 1 0 8 0 uaddrrnd 24 448 0 435 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 448 0 435 1 0 1 1 0 8 0 vmmpekpl 168 7052 0 7026 2 0 2 2 0 8 0 vmmpepl 168 61755 0 59863 155 35 120 126 0 357 34 vmsppl 272 447 0 435 3 2 1 2 0 8 0 pdppl 4096 902 0 870 6 1 5 6 0 8 0 pvpl 32 230341 0 210472 269 30 239 269 0 265 78 pmappl 200 447 0 435 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 270 0 44 7 0 7 7 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace memcpy() at memcpy+0x15 tcp_usrreq(fffffd805dac84b8,9,fffffd805c829900,0,0,ffff80001d797760) at tcp_usrreq+0xa54 sosend(fffffd805dac84b8,0,ffff80001d74ab48,0,0,80) at sosend+0x669 sys/kern/uipc_socket.c:549 dofilewritev(ffff80001d797760,4,ffff80001d74ab48,0,ffff80001d74ac30) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80001d797760,ffff80001d74abe0,ffff80001d74ac30) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff80001d74acb0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd78f0, count: -7 ddb> machine ddbcpu 1 No such command ddb> trace memcpy() at memcpy+0x15 tcp_usrreq(fffffd805dac84b8,9,fffffd805c829900,0,0,ffff80001d797760) at tcp_usrreq+0xa54 sosend(fffffd805dac84b8,0,ffff80001d74ab48,0,0,80) at sosend+0x669 sys/kern/uipc_socket.c:549 dofilewritev(ffff80001d797760,4,ffff80001d74ab48,0,ffff80001d74ac30) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80001d797760,ffff80001d74abe0,ffff80001d74ac30) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff80001d74acb0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd78f0, count: -7