uvm_fault(0xfffffd803f012440, 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(0xfffffd803f012440, 0x0, 0, 2) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff8000148808f0, count: 0 ddb> trace memcpy() at memcpy+0x15 uipc_usrreq(fffffd803701b000,9,fffffd8035170700,0,0,ffff8000ffff91c0) at uipc_usrreq+0xb5e sys/kern/uipc_usrreq.c:277 sosend(fffffd803701b000,0,ffff8000148809e0,0,0,80) at sosend+0x63d sys/kern/uipc_socket.c:524 sendit(ffff8000ffff91c0,5,ffff800014880b40,0,ffff800014880c30) at sendit+0x52b sys/kern/uipc_syscalls.c:662 sys_sendmsg(ffff8000ffff91c0,ffff800014880be0,ffff800014880c30) at sys_sendmsg+0x1a4 sys/kern/uipc_syscalls.c:567 syscall(ffff800014880cb0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe2770, count: -7 ddb> show registers rdi 0 rsi 0xfffffd8035170770 rbp 0xffff800014880850 rbx 0x1 rdx 0x20 rcx 0x4 rax 0 r8 0 r9 0x5 r10 0x753025e7e8bda0d9 r11 0 r12 0xfffffd8035170700 r13 0xfffffd8034527900 r14 0x1 r15 0xfffffd803701b208 rip 0xffffffff820bb305 memcpy+0x15 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff8000148807d8 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (dhclient) pid=268010 stat=onproc flags process=100010 proc=0 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff87a0,0xffff8000ffff4cc8 process=0xffff8000ffff6390 user=0xffff80001487b000, vmspace=0xfffffd803f012440 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 59583 303978 11070 0 2 0 syz-executor.0 59583 114629 11070 0 3 0x4000080 fsleep syz-executor.0 62223 270589 83113 0 2 0 syz-executor.1 62223 195113 83113 0 3 0x4000000 tqbar syz-executor.1 62223 220390 83113 0 3 0x4000080 fsleep syz-executor.1 62223 12662 83113 0 3 0x4000080 fsleep syz-executor.1 61974 215812 0 0 3 0x14200 bored sosplice 11070 185669 55729 0 3 0x82 nanosleep syz-executor.0 83113 236331 55729 0 3 0x82 nanosleep syz-executor.1 55729 444935 83844 0 3 0x82 thrsleep syz-fuzzer 55729 80581 83844 0 3 0x4000082 thrsleep syz-fuzzer 55729 201893 83844 0 3 0x4000082 kqread syz-fuzzer 55729 343563 83844 0 3 0x4000082 thrsleep syz-fuzzer 55729 190536 83844 0 3 0x4000082 thrsleep syz-fuzzer 55729 399968 83844 0 3 0x4000082 thrsleep syz-fuzzer 55729 192032 83844 0 3 0x4000082 thrsleep syz-fuzzer 55729 434082 83844 0 3 0x4000082 thrsleep syz-fuzzer 83844 43669 8884 0 3 0x10008a pause ksh 8884 145482 8467 0 3 0x92 select sshd 11764 399471 1 0 3 0x100083 ttyin getty 8467 369452 1 0 3 0x80 select sshd 4624 97189 64376 73 3 0x100090 kqread syslogd 64376 28711 1 0 3 0x100082 netio syslogd *60864 268010 1 77 7 0x100010 dhclient 60655 343867 1 0 2 0x80 dhclient 8963 486061 0 0 2 0x14200 zerothread 3128 59419 0 0 3 0x14200 aiodoned aiodoned 32379 146685 0 0 3 0x14200 syncer update 39146 22388 0 0 3 0x14200 cleaner cleaner 12243 269737 0 0 3 0x14200 reaper reaper 82601 308278 0 0 3 0x14200 pgdaemon pagedaemon 10619 515922 0 0 3 0x14200 bored crynlk 69543 336242 0 0 3 0x14200 bored crypto 39201 388831 0 0 3 0x40014200 acpi0 acpi0 4738 414453 0 0 2 0x14200 softnet 85188 135242 0 0 2 0x14200 systqmp 98544 311678 0 0 3 0x14200 bored systq 14539 146432 0 0 3 0x40014200 bored softclock 49005 21864 0 0 3 0x40014200 idle0 71866 72604 0 0 3 0x14200 bored smr 1 419339 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 Kern Lim devbuf 9495 6343K 6721K 78643K 11104 0 0 pcb 13 10K 12K 78643K 98 0 0 rtable 84 7K 7K 78643K 259 0 0 ifaddr 60 11K 13K 78643K 121 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 33 0 0 iov 0 0K 12K 78643K 65 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1218 76K 77K 78643K 1398 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 6 0 0 VM map 6 1K 1K 78643K 6 0 0 sem 12 0K 1K 78643K 55 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1794 195K 288K 78643K 12646 0 0 file desc 6 17K 25K 78643K 223 0 0 proc 48 38K 63K 78643K 379 0 0 subproc 32 2K 2K 78643K 34 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 21 0 0 in_multi 33 1K 2K 78643K 72 0 0 ether_multi 1 0K 0K 78643K 2 0 0 mrt 0 0K 0K 78643K 1 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 42 185K 185K 78643K 42 0 0 exec 0 0K 1K 78643K 204 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 114 54K 55K 78643K 1501 0 0 UVM aobj 19 2K 2K 78643K 19 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 0K 78643K 61 0 0 NDP 11 0K 0K 78643K 24 0 0 temp 130 3534K 3603K 78643K 15287 0 0 kqueue 0 0K 0K 78643K 4 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 6 0 4 1 0 1 1 0 8 0 rtpcb 96 37 0 33 1 0 1 1 0 8 0 rtentry 112 63 0 33 2 0 2 2 0 8 0 unpcb 120 142 0 132 1 0 1 1 0 8 0 syncache 280 6 0 6 2 2 0 1 0 8 0 tcpqe 32 240 0 240 2 2 0 1 0 8 0 tcpcb 640 300 0 296 18 17 1 18 0 8 0 ipq 40 4 0 4 2 2 0 1 0 8 0 ipqe 40 96 0 96 2 2 0 1 0 8 0 inpcb 280 602 0 595 8 6 2 8 0 8 1 nd6 48 7 0 6 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 0 1 1 0 8 1 ppxss 1128 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 317 0 138 14 2 12 14 0 8 0 art_table 32 318 0 138 2 0 2 2 0 8 0 art_node 16 60 0 28 1 0 1 1 0 8 0 sysvmsgpl 40 49 0 38 2 1 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 53 0 43 1 0 1 1 0 8 0 shmpl 112 17 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1739 0 344 46 0 46 46 0 8 0 ffsino 240 1739 0 344 83 0 83 83 0 8 0 nchpl 144 2263 0 1809 60 32 28 60 0 8 8 uvmvnodes 72 1905 0 0 35 0 35 35 0 8 0 vnodes 208 1905 0 0 101 0 101 101 0 8 0 namei 1024 6282 0 6282 1 0 1 1 0 8 1 vcpupl 1984 4 0 0 1 0 1 1 0 8 0 vmpool 520 4 0 0 1 0 1 1 0 8 0 scxspl 208 6849 0 6849 9 7 2 7 0 8 2 plimitpl 152 34 0 27 1 0 1 1 0 8 0 sigapl 432 393 0 379 2 0 2 2 0 8 0 futexpl 56 6548 0 6545 1 0 1 1 0 8 0 knotepl 112 79 0 60 1 0 1 1 0 8 0 kqueuepl 104 180 0 178 4 3 1 4 0 8 0 pipepl 128 268 0 249 2 1 1 2 0 8 0 fdescpl 424 394 0 379 2 0 2 2 0 8 0 filepl 120 3142 0 3040 11 7 4 11 0 8 0 lockfpl 104 271 0 270 1 0 1 1 0 8 0 lockfspl 48 57 0 56 1 0 1 1 0 8 0 sessionpl 128 17 0 7 1 0 1 1 0 8 0 pgrppl 48 17 0 7 1 0 1 1 0 8 0 ucredpl 96 360 0 353 1 0 1 1 0 8 0 zombiepl 144 379 0 379 2 1 1 1 0 8 1 processpl 896 409 0 379 4 0 4 4 0 8 0 procpl 648 815 0 774 5 1 4 5 0 8 0 sosppl 144 5 0 5 1 1 0 1 0 8 0 sockpl 384 789 0 768 14 11 3 14 0 8 0 mcl64k 65536 18 0 18 1 0 1 1 0 8 1 mcl16k 16384 3 0 3 1 1 0 1 0 8 0 mcl12k 12288 8 0 8 1 0 1 1 0 8 1 mcl9k 9216 4 0 4 2 1 1 1 0 8 1 mcl8k 8192 12 0 12 1 0 1 1 0 8 1 mcl4k 4096 33 0 33 2 1 1 1 0 8 1 mcl2k2 2112 1 0 1 1 0 1 1 0 8 1 mcl2k 2048 68945 0 68913 16 11 5 12 0 8 0 mtagpl 80 6 0 6 2 1 1 1 0 8 1 mbufpl 256 111692 0 111575 24 12 12 19 0 8 4 bufpl 256 8839 0 2479 399 0 399 399 0 8 0 anonpl 16 65002 0 44187 99 14 85 97 0 62 0 amapchunkpl 152 2454 0 2293 19 7 12 16 0 158 5 amappl16 192 2446 0 1272 68 8 60 67 0 8 1 amappl14 176 48 0 41 1 0 1 1 0 8 0 amappl13 168 104 0 102 2 1 1 1 0 8 0 amappl12 160 10 0 8 1 0 1 1 0 8 0 amappl11 152 138 0 125 1 0 1 1 0 8 0 amappl10 144 13 0 10 1 0 1 1 0 8 0 amappl9 136 570 0 566 1 0 1 1 0 8 0 amappl8 128 149 0 123 1 0 1 1 0 8 0 amappl7 120 36 0 32 1 0 1 1 0 8 0 amappl6 112 145 0 132 1 0 1 1 0 8 0 amappl5 104 139 0 127 1 0 1 1 0 8 0 amappl4 96 717 0 685 1 0 1 1 0 8 0 amappl3 88 120 0 115 1 0 1 1 0 8 0 amappl2 80 2353 0 2277 4 2 2 3 0 8 0 amappl1 72 16969 0 16534 27 18 9 20 0 8 0 amappl 80 1039 0 989 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 18 0 0 1 0 1 1 0 8 0 uaddrrnd 24 398 0 379 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 398 0 379 1 0 1 1 0 8 0 vmmpekpl 168 7133 0 7106 2 0 2 2 0 8 0 vmmpepl 168 55559 0 53166 146 31 115 134 0 357 10 vmsppl 272 393 0 379 2 1 1 2 0 8 0 pdppl 4096 802 0 762 7 1 6 6 0 8 0 pvpl 32 219435 0 195721 308 13 295 308 0 265 101 pmappl 200 397 0 379 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 557 0 31 16 0 16 16 0 8 0