uvm_fault(0xffffffff8221dd88, 0xffff8000019a2000, 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(0xffffffff8221dd88, 0xffff8000019a2000, 0, 1) -> e memcpy(fffffd803a96cd28,ffff8000019a1f0d,7,fffffd803a96cd28,3f8bc94494a2e58a,ffff8000149ea0b8) at memcpy+0x15 end trace frame: 0xffff8000149e9fc0, count: 0 ddb> trace memcpy(fffffd803a96cd28,ffff8000019a1f0d,7,fffffd803a96cd28,3f8bc94494a2e58a,ffff8000149ea0b8) at memcpy+0x15 rtrequest(1,ffff8000149ea0b8,38,ffff8000149ea000,7) at rtrequest+0x83b sys/net/route.c:917 rtm_output(ffff8000019a1f00,ffff8000149ea0b0,ffff8000149ea0b8,38,7) at rtm_output+0x711 sys/net/rtsock.c:888 route_output(fffffd803a271700,fffffd8037012a80,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd8037012a80,9,fffffd803a271700,0,0,ffff8000ffff8260) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd8037012a80,0,ffff8000149ea378,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff8260,6,ffff8000149ea438,0,ffff8000149ea500) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff8260,ffff8000149ea518,ffff8000149ea500) at sys_sendto+0x92 syscall(ffff8000149ea5b0) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,d7d7554d010) at Xsyscall+0x128 end of kernel end trace frame: 0xd7fa1c34630, count: -10 ddb> show registers rdi 0xffff8000019a19f0 rsi 0xffff8000019a1ffd rbp 0xffff8000149e9eb0 rbx 0xffff8000019a1f0d rdx 0x100 rcx 0x2 rax 0xfffffffffffff9f3 r8 0x70 r9 0x5 r10 0xc1f278c76e52472e r11 0xffff8000019a1900 r12 0xffff8000019a1900 r13 0x100 r14 0 r15 0xfffffd803a96cd28 rip 0xffffffff810528d5 memcpy+0x15 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff8000149e9e48 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (syz-executor.0) pid=496682 stat=onproc flags process=0 proc=4000000 pri=63, usrpri=63, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff8008,0xffffffff82254d50 process=0xffff8000ffff6358 user=0xffff8000149e5000, vmspace=0xfffffd803f013738 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 23716 436312 74022 0 2 0 syz-executor.0 *23716 496682 74022 0 7 0x4000000 syz-executor.0 74022 148625 537 0 2 0x482 syz-executor.0 44892 3756 537 0 2 0x2 syz-executor.1 17642 448804 0 0 3 0x14200 bored sosplice 537 449920 84179 0 3 0x82 thrsleep syz-fuzzer 537 267749 84179 0 3 0x4000082 nanosleep syz-fuzzer 537 290434 84179 0 3 0x4000082 thrsleep syz-fuzzer 537 1132 84179 0 3 0x4000082 kqread syz-fuzzer 537 206558 84179 0 3 0x4000082 thrsleep syz-fuzzer 537 369415 84179 0 3 0x4000082 thrsleep syz-fuzzer 537 186555 84179 0 3 0x4000082 thrsleep syz-fuzzer 537 184460 84179 0 3 0x4000082 thrsleep syz-fuzzer 84179 242007 66009 0 3 0x10008a pause ksh 66009 493058 5320 0 3 0x92 select sshd 43562 383533 1 0 3 0x100083 ttyin getty 5320 119785 1 0 3 0x80 select sshd 14096 123279 802 73 2 0x100090 syslogd 802 201939 1 0 3 0x100082 netio syslogd 93985 332371 1 77 3 0x100090 poll dhclient 44114 39552 1 0 3 0x80 poll dhclient 97429 26678 0 0 2 0x14200 zerothread 76720 161745 0 0 3 0x14200 aiodoned aiodoned 17989 244557 0 0 3 0x14200 syncer update 33752 316722 0 0 3 0x14200 cleaner cleaner 88285 26385 0 0 3 0x14200 reaper reaper 34676 410773 0 0 3 0x14200 pgdaemon pagedaemon 14774 393813 0 0 3 0x14200 bored crynlk 5050 35147 0 0 3 0x14200 bored crypto 78517 164700 0 0 3 0x40014200 acpi0 acpi0 95017 88829 0 0 3 0x14200 bored softnet 58107 347989 0 0 3 0x14200 bored systqmp 60545 201472 0 0 3 0x14200 bored systq 15921 107940 0 0 2 0x40014200 softclock 6732 294809 0 0 3 0x40014200 idle0 56923 499134 0 0 3 0x14200 bored smr 1 297331 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 9515 6352K 6365K 78643K 11276 0 0 pcb 25 9K 12K 78643K 951 0 0 rtable 106 4K 4K 78643K 1002 0 0 ifaddr 62 15K 16K 78643K 347 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 45 0 0 iov 0 0K 28K 78643K 250 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1198 75K 76K 78643K 2278 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 32 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 1K 78643K 256 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 21K 78643K 1572 0 0 sigio 0 0K 0K 78643K 30 0 0 proc 42 30K 46K 78643K 641 0 0 subproc 64 65538K 67586K 78643K 478 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 215 0 0 in_multi 33 2K 2K 78643K 227 0 0 ether_multi 1 0K 0K 78643K 17 0 0 mrt 0 0K 0K 78643K 8 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 78 344K 344K 78643K 78 0 0 exec 0 0K 1K 78643K 349 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 74 20K 29K 78643K 4633 0 0 UVM aobj 83 3K 3K 78643K 104 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 1K 78643K 82 0 0 NDP 13 0K 0K 78643K 110 0 0 temp 180 2355K 2475K 78643K 8026 0 0 kqueue 0 0K 0K 78643K 11 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 16 0 12 1 0 1 1 0 8 0 inpcbpl 280 921 0 914 1 0 1 1 0 8 0 plimitpl 152 64 0 57 1 0 1 1 0 8 0 rtentry 112 153 0 112 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 4 0 4 1 1 0 1 0 8 0 tcpcb 544 326 0 322 1 0 1 1 0 8 0 nd6 48 28 0 24 1 0 1 1 0 8 0 ppxss 1128 44 0 44 8 7 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 697 0 510 12 0 12 12 0 8 0 art_table 32 698 0 510 2 0 2 2 0 8 0 art_node 16 148 0 114 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 10 1 0 1 1 0 8 0 semapl 112 254 0 244 1 0 1 1 0 8 0 shmpl 112 102 0 21 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 4295 0 2832 48 0 48 48 0 8 0 ffsino 240 4295 0 2832 87 0 87 87 0 8 0 nchpl 144 6670 0 4996 63 0 63 63 0 8 0 uvmvnodes 72 4681 0 0 86 0 86 86 0 8 0 vnodes 200 4681 0 0 247 0 247 247 0 8 0 namei 1024 21583 0 21583 2 1 1 1 0 8 1 scsiplug 64 3 0 3 3 3 0 1 0 8 0 scxspl 192 24194 0 24194 16 15 1 6 0 8 1 sigapl 432 1706 0 1693 2 0 2 2 0 8 0 futexpl 56 27455 0 27455 1 0 1 1 0 8 1 knotepl 112 694 0 675 1 0 1 1 0 8 0 kqueuepl 104 540 0 538 1 0 1 1 0 8 0 pipepl 112 1116 0 1095 5 4 1 2 0 8 0 fdescpl 424 1707 0 1693 2 0 2 2 0 8 0 filepl 120 11389 0 11290 6 2 4 5 0 8 1 lockfpl 104 554 0 554 2 1 1 1 0 8 1 lockfspl 32 734 0 734 2 1 1 1 0 8 1 sessionpl 112 29 0 19 1 0 1 1 0 8 0 pgrppl 48 43 0 33 1 0 1 1 0 8 0 ucredpl 96 3023 0 3016 1 0 1 1 0 8 0 zombiepl 144 1693 0 1693 2 1 1 1 0 8 1 processpl 840 1722 0 1693 4 0 4 4 0 8 0 procpl 600 3759 0 3722 4 0 4 4 0 8 0 sosppl 128 36 0 36 10 9 1 1 0 8 1 sockpl 384 1710 0 1691 5 2 3 4 0 8 1 mcl64k 65536 330 0 330 40 36 4 33 0 8 4 mcl16k 16384 5 0 5 4 4 0 1 0 8 0 mcl12k 12288 43 0 43 5 4 1 1 0 8 1 mcl9k 9216 28 0 28 7 6 1 1 0 8 1 mcl8k 8192 22 0 22 8 7 1 1 0 8 1 mcl4k 4096 88 0 88 4 3 1 1 0 8 1 mcl2k2 2112 18 0 18 8 8 0 1 0 8 0 mcl2k 2048 49726 0 49686 14 8 6 12 0 8 0 mtagpl 80 4 0 4 2 2 0 1 0 8 0 mbufpl 256 91144 0 91073 31 23 8 21 0 8 0 bufpl 256 10018 0 5482 284 0 284 284 0 8 0 anonpl 16 205560 0 196632 121 67 54 68 0 62 16 amapchunkpl 152 7978 0 7898 26 17 9 9 0 158 5 amappl16 192 10210 0 9730 125 88 37 49 0 8 12 amappl15 184 233 0 228 1 0 1 1 0 8 0 amappl14 176 474 0 470 2 1 1 1 0 8 0 amappl13 168 335 0 330 1 0 1 1 0 8 0 amappl12 160 243 0 241 3 2 1 1 0 8 0 amappl11 152 105 0 94 1 0 1 1 0 8 0 amappl10 144 244 0 244 3 3 0 1 0 8 0 amappl9 136 1020 0 1017 1 0 1 1 0 8 0 amappl8 128 629 0 610 1 0 1 1 0 8 0 amappl7 120 245 0 241 1 0 1 1 0 8 0 amappl6 112 131 0 125 1 0 1 1 0 8 0 amappl5 104 218 0 208 1 0 1 1 0 8 0 amappl4 96 1671 0 1642 2 1 1 2 0 8 0 amappl3 88 845 0 836 1 0 1 1 0 8 0 amappl2 80 14190 0 14138 2 0 2 2 0 8 0 amappl1 72 40436 0 40030 24 15 9 19 0 8 0 amappl 72 4057 0 4025 1 0 1 1 0 75 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 dma64 64 259 0 259 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 17 0 17 1 1 0 1 0 8 0 aobjpl 64 103 0 21 2 0 2 2 0 8 0 uaddrrnd 24 1707 0 1693 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1707 0 1693 1 0 1 1 0 8 0 vmmpekpl 168 15477 0 15455 2 0 2 2 0 8 0 vmmpepl 168 192414 0 191008 160 81 79 87 0 357 12 vmsppl 264 1706 0 1693 3 2 1 2 0 8 0 pdppl 4096 3420 0 3386 5 0 5 5 0 8 0 pvpl 32 585056 0 573053 252 111 141 171 0 265 41 pmappl 192 1706 0 1693 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 498 0 84 14 0 14 14 0 8 0