uvm_fault(0xffffffff821f4cc8, 0xffff800002f87000, 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(0xffffffff821f4cc8, 0xffff800002f87000, 0, 1) -> e memcpy(fffffd803a1f6a18,ffff800002f86f0d,0,fffffd803a1f6a18,9efe89f687f1a983,ffff8000149f5b28) at memcpy+0x15 end trace frame: 0xffff8000149f5a30, count: 0 ddb> trace memcpy(fffffd803a1f6a18,ffff800002f86f0d,0,fffffd803a1f6a18,9efe89f687f1a983,ffff8000149f5b28) at memcpy+0x15 rtrequest(1,ffff8000149f5b28,38,ffff8000149f5a70,0) at rtrequest+0x83b sys/net/route.c:917 rtm_output(ffff800002f86f00,ffff8000149f5b20,ffff8000149f5b28,38,0) at rtm_output+0x711 sys/net/rtsock.c:888 route_output(fffffd803eb4b000,fffffd8036ffda80,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd8036ffda80,9,fffffd803eb4b000,0,0,ffff8000ffff8e18) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd8036ffda80,0,ffff8000149f5de8,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff8e18,4,ffff8000149f5ea8,0,ffff8000149f5f70) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff8e18,ffff8000149f5f88,ffff8000149f5f70) at sys_sendto+0x92 syscall(ffff8000149f6020) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,9169419b010) at Xsyscall+0x128 end of kernel end trace frame: 0x9193ad126b0, count: -10 ddb> show registers rdi 0xffff800002f860f0 rsi 0xffff800002f86ffd rbp 0xffff8000149f5920 rbx 0xffff800002f86f0d rdx 0x100 rcx 0x2 rax 0xfffffffffffff0f3 r8 0x70 r9 0x5 r10 0x2fa53930143d9aec r11 0xffff800002f86000 r12 0xffff800002f86000 r13 0x100 r14 0 r15 0xfffffd803a1f6a18 rip 0xffffffff81adeff5 memcpy+0x15 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff8000149f58b8 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (syz-executor.0) pid=513236 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff9070,0xffffffff8227c6c8 process=0xffff8000ffff7708 user=0xffff8000149f1000, vmspace=0xfffffd803f014420 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 37290 117009 61414 0 2 0 syz-executor.0 *37290 513236 61414 0 7 0x4000000 syz-executor.0 61370 191464 1 0 3 0x100083 ttyin getty 61414 48179 18603 0 3 0x82 nanosleep syz-executor.0 19095 147218 18603 0 2 0x2 syz-executor.1 18603 195078 13294 0 3 0x82 thrsleep syz-fuzzer 18603 294996 13294 0 2 0x4000482 syz-fuzzer 18603 197404 13294 0 3 0x4000082 thrsleep syz-fuzzer 18603 148066 13294 0 3 0x4000082 thrsleep syz-fuzzer 18603 22904 13294 0 3 0x4000082 thrsleep syz-fuzzer 18603 317916 13294 0 3 0x4000082 kqread syz-fuzzer 18603 17642 13294 0 3 0x4000082 thrsleep syz-fuzzer 13294 270944 33117 0 3 0x10008a pause ksh 33117 307230 3919 0 3 0x92 select sshd 3919 391009 1 0 3 0x80 select sshd 49730 446476 19950 73 2 0x100090 syslogd 19950 77246 1 0 3 0x100082 netio syslogd 57907 296011 1 77 3 0x100090 poll dhclient 45131 26349 1 0 3 0x80 poll dhclient 25596 204029 0 0 2 0x14200 zerothread 74791 176660 0 0 3 0x14200 aiodoned aiodoned 13813 460666 0 0 3 0x14200 syncer update 41163 134589 0 0 3 0x14200 cleaner cleaner 51695 99627 0 0 3 0x14200 reaper reaper 64234 94969 0 0 3 0x14200 pgdaemon pagedaemon 32288 387377 0 0 3 0x14200 bored crynlk 98117 52743 0 0 3 0x14200 bored crypto 21662 358446 0 0 3 0x40014200 acpi0 acpi0 35494 118864 0 0 3 0x14200 bored softnet 17410 428308 0 0 3 0x14200 bored systqmp 74088 273875 0 0 3 0x14200 bored systq 99777 31308 0 0 3 0x40014200 bored softclock 58250 44082 0 0 3 0x40014200 idle0 30872 195070 0 0 3 0x14200 bored smr 1 143922 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 9462 8378K 8400K 78643K 10651 0 0 pcb 25 9K 11K 78643K 12262 0 0 rtable 205 18K 18K 78643K 12513 0 0 ifaddr 42 11K 11K 78643K 51 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 30 0 0 iov 0 0K 12K 78643K 48 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1192 75K 75K 78643K 1341 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 12 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 1K 1K 78643K 604 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 7341 0 0 sigio 0 0K 0K 78643K 4 0 0 proc 42 30K 54K 78643K 330 0 0 subproc 64 65538K 69634K 78643K 68 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 36 0 0 in_multi 33 2K 2K 78643K 40 0 0 ether_multi 1 0K 0K 78643K 1 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 66 291K 291K 78643K 66 0 0 exec 0 0K 1K 78643K 218 0 0 pfkey data 0 0K 0K 78643K 2 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 80 20K 20K 78643K 15614 0 0 UVM aobj 48 3K 3K 78643K 52 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 510 0 0 NDP 7 0K 0K 78643K 13 0 0 temp 121 2351K 2415K 78643K 17635 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 4 0 0 1 0 1 1 0 8 0 inpcbpl 280 1164 0 1157 1 0 1 1 0 8 0 plimitpl 152 17 0 10 1 0 1 1 0 8 0 rtentry 112 998 0 957 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 48 0 44 1 0 1 1 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 2 0 2 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 185 0 0 12 0 12 12 0 8 0 art_table 32 186 0 0 2 0 2 2 0 8 0 art_node 16 40 0 6 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 0 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 602 0 592 1 0 1 1 0 8 0 shmpl 112 50 0 4 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 9503 0 8101 46 0 46 46 0 8 0 ffsino 240 9503 0 8101 83 0 83 83 0 8 0 nchpl 144 18096 0 16478 61 0 61 61 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 200 5926 0 0 312 0 312 312 0 8 0 namei 1024 55323 0 55322 2 1 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 56009 0 56009 11 10 1 6 0 8 1 sigapl 432 7510 0 7497 2 0 2 2 0 8 0 futexpl 56 54655 0 54655 1 0 1 1 0 8 1 knotepl 112 92 0 65 2 1 1 2 0 8 0 kqueuepl 104 69 0 67 1 0 1 1 0 8 0 pipepl 112 708 0 689 3 2 1 2 0 8 0 fdescpl 424 7511 0 7497 2 0 2 2 0 8 0 filepl 120 24387 0 24291 13 9 4 5 0 8 1 lockfpl 104 156 0 156 11 10 1 1 0 8 1 lockfspl 32 75 0 75 11 10 1 1 0 8 1 sessionpl 112 18 0 8 1 0 1 1 0 8 0 pgrppl 48 26 0 16 1 0 1 1 0 8 0 ucredpl 96 531 0 524 1 0 1 1 0 8 0 zombiepl 144 7497 0 7497 2 1 1 1 0 8 1 processpl 840 7525 0 7497 4 0 4 4 0 8 0 procpl 600 15016 0 14981 7 4 3 4 0 8 0 sockpl 384 13405 0 13386 4 1 3 4 0 8 1 mcl64k 65536 237 0 237 37 37 0 29 0 8 0 mcl16k 16384 4 0 4 3 3 0 1 0 8 0 mcl12k 12288 41 0 41 11 10 1 1 0 8 1 mcl9k 9216 25 0 25 10 9 1 1 0 8 1 mcl8k 8192 49 0 49 13 13 0 1 0 8 0 mcl4k 4096 592 0 592 11 11 0 1 0 8 0 mcl2k2 2112 27 0 27 13 13 0 1 0 8 0 mcl2k 2048 57617 0 57585 10 5 5 8 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 146544 0 146353 35 21 14 18 0 8 1 bufpl 256 12974 0 8678 269 0 269 269 0 8 0 anonpl 16 457986 0 449122 42 5 37 40 0 62 0 amapchunkpl 152 23060 0 22977 5 1 4 5 0 158 0 amappl16 192 26910 0 26432 29 4 25 27 0 8 0 amappl15 184 7326 0 7323 1 0 1 1 0 8 0 amappl14 176 29 0 24 1 0 1 1 0 8 0 amappl13 168 23 0 20 1 0 1 1 0 8 0 amappl12 160 5 0 5 1 1 0 1 0 8 0 amappl11 152 3777 0 3766 1 0 1 1 0 8 0 amappl10 144 56 0 55 2 1 1 1 0 8 0 amappl9 136 333 0 330 1 0 1 1 0 8 0 amappl8 128 129 0 107 1 0 1 1 0 8 0 amappl7 120 24 0 21 1 0 1 1 0 8 0 amappl6 112 49 0 43 1 0 1 1 0 8 0 amappl5 104 7490 0 7476 1 0 1 1 0 8 0 amappl4 96 276 0 255 1 0 1 1 0 8 0 amappl3 88 194 0 189 1 0 1 1 0 8 0 amappl2 80 73849 0 73796 2 0 2 2 0 8 0 amappl1 72 144984 0 144570 24 14 10 19 0 8 0 amappl 72 15240 0 15208 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 51 0 4 1 0 1 1 0 8 0 uaddrrnd 24 7511 0 7497 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 7511 0 7497 1 0 1 1 0 8 0 vmmpekpl 168 42700 0 42685 1 0 1 1 0 8 0 vmmpepl 168 722776 0 721376 89 23 66 71 0 357 5 vmsppl 264 7510 0 7497 2 1 1 2 0 8 0 pdppl 4096 15028 0 14994 6 1 5 6 0 8 0 pvpl 32 1558702 0 1546856 155 55 100 109 0 265 3 pmappl 192 7510 0 7497 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 488 0 94 13 0 13 13 0 8 0