uvm_fault(0xffffffff82201e00, 0xffff80000198d000, 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(0xffffffff82201e00, 0xffff80000198d000, 0, 1) -> e memcpy(fffffd803eb6f078,ffff80000198cf0d,0,fffffd803eb6f078,7c1ce8797e573e16,ffff800014a08f08) at memcpy+0x15 end trace frame: 0xffff800014a08e10, count: 0 ddb> trace memcpy(fffffd803eb6f078,ffff80000198cf0d,0,fffffd803eb6f078,7c1ce8797e573e16,ffff800014a08f08) at memcpy+0x15 rtrequest(1,ffff800014a08f08,0,ffff800014a08e50,0) at rtrequest+0x83b sys/net/route.c:917 rtm_output(ffff80000198cf00,ffff800014a08f00,ffff800014a08f08,0,0) at rtm_output+0x711 sys/net/rtsock.c:888 route_output(fffffd80353bd600,fffffd803642dd88,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd803642dd88,9,fffffd80353bd600,0,0,ffff8000ffff9520) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd803642dd88,0,ffff800014a091c8,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff9520,3,ffff800014a09288,0,ffff800014a09350) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff9520,ffff800014a09368,ffff800014a09350) at sys_sendto+0x92 syscall(ffff800014a09400) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,5691f97e010) at Xsyscall+0x128 end of kernel end trace frame: 0x56bed5327a0, count: -10 ddb> show registers rdi 0xffff80000198cbf0 rsi 0xffff80000198cffd rbp 0xffff800014a08d00 rbx 0xffff80000198cf0d rdx 0x100 rcx 0x2 rax 0xfffffffffffffbf3 r8 0x70 r9 0x5 r10 0x9b4734791693051f r11 0xffff80000198cb00 r12 0xffff80000198cb00 r13 0x100 r14 0 r15 0xfffffd803eb6f078 rip 0xffffffff816a0825 memcpy+0x15 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff800014a08c98 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (syz-executor.0) pid=319154 stat=onproc flags process=0 proc=4000000 pri=72, usrpri=72, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff84b8,0xffffffff8224cb48 process=0xffff800014963080 user=0xffff800014a04000, vmspace=0xfffffd803f014318 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 74779 333236 77576 0 2 0 syz-executor.0 *74779 319154 77576 0 7 0x4000000 syz-executor.0 17794 491841 49121 0 3 0x2 biowait syz-executor.1 77576 231006 49121 0 3 0x82 nanosleep syz-executor.0 15231 398017 0 0 3 0x14200 bored sosplice 64621 429129 1 0 3 0x100083 ttyin getty 49121 214024 47859 0 3 0x82 thrsleep syz-fuzzer 49121 506096 47859 0 3 0x4000082 thrsleep syz-fuzzer 49121 326613 47859 0 3 0x4000082 thrsleep syz-fuzzer 49121 313432 47859 0 3 0x4000082 kqread syz-fuzzer 49121 384679 47859 0 3 0x4000082 thrsleep syz-fuzzer 49121 86632 47859 0 3 0x4000082 thrsleep syz-fuzzer 49121 38197 47859 0 3 0x4000082 thrsleep syz-fuzzer 49121 358545 47859 0 3 0x4000082 thrsleep syz-fuzzer 47859 392776 62983 0 3 0x10008a pause ksh 62983 359760 4582 0 3 0x92 select sshd 4582 337000 1 0 3 0x80 select sshd 95827 454382 73709 73 2 0x100090 syslogd 73709 286616 1 0 3 0x100082 netio syslogd 30088 490850 1 77 3 0x100090 poll dhclient 13125 195555 1 0 3 0x80 poll dhclient 62424 298577 0 0 2 0x14200 zerothread 27413 213437 0 0 3 0x14200 aiodoned aiodoned 77705 10310 0 0 3 0x14200 syncer update 8994 132415 0 0 3 0x14200 cleaner cleaner 51874 340400 0 0 3 0x14200 reaper reaper 92687 178307 0 0 3 0x14200 pgdaemon pagedaemon 81348 242837 0 0 3 0x14200 bored crynlk 34917 482930 0 0 3 0x14200 bored crypto 1856 386812 0 0 3 0x40014200 acpi0 acpi0 35808 69650 0 0 3 0x14200 bored softnet 20556 345982 0 0 3 0x14200 bored systqmp 11702 248619 0 0 3 0x14200 bored systq 81841 363823 0 0 3 0x40014200 bored softclock 51550 78984 0 0 3 0x40014200 idle0 22604 239311 0 0 3 0x14200 bored smr 1 480838 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 9489 6339K 6355K 78643K 11249 0 0 pcb 24 9K 11K 78643K 755 0 0 rtable 103 4K 4K 78643K 903 0 0 ifaddr 53 14K 15K 78643K 291 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 45 0 0 iov 0 0K 28K 78643K 173 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1209 76K 76K 78643K 2261 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 21 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 188 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 21K 78643K 1360 0 0 sigio 0 0K 0K 78643K 31 0 0 proc 42 30K 62K 78643K 696 0 0 subproc 64 65538K 67586K 78643K 565 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 161 0 0 in_multi 33 2K 2K 78643K 237 0 0 ether_multi 1 0K 0K 78643K 7 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 344 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 79 20K 25K 78643K 4155 0 0 UVM aobj 86 3K 3K 78643K 90 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 70 0 0 NDP 10 0K 0K 78643K 96 0 0 temp 156 2359K 2428K 78643K 7534 0 0 kqueue 0 0K 0K 78643K 9 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 18 0 14 1 0 1 1 0 8 0 inpcbpl 280 677 0 670 1 0 1 1 0 8 0 plimitpl 152 68 0 61 1 0 1 1 0 8 0 rtentry 112 170 0 129 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 222 0 218 1 0 1 1 0 8 0 nd6 48 32 0 28 1 0 1 1 0 8 0 swfcl 56 1 0 0 1 0 1 1 0 8 0 ppxss 1128 35 0 35 8 7 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 788 0 599 12 0 12 12 0 8 0 art_table 32 789 0 599 2 0 2 2 0 8 0 art_node 16 166 0 132 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 14 3 3 0 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 186 0 176 1 0 1 1 0 8 0 shmpl 112 88 0 4 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 3888 0 2423 48 0 48 48 0 8 0 ffsino 240 3888 0 2423 87 0 87 87 0 8 0 nchpl 144 5985 0 4332 62 0 62 62 0 8 0 uvmvnodes 72 4368 0 0 80 0 80 80 0 8 0 vnodes 200 4368 0 0 230 0 230 230 0 8 0 namei 1024 18824 0 18823 3 2 1 1 0 8 0 scsiplug 64 4 0 4 3 3 0 1 0 8 0 scxspl 192 27009 0 27008 13 12 1 7 0 8 0 sigapl 432 1489 0 1476 2 0 2 2 0 8 0 futexpl 56 22024 0 22024 2 1 1 1 0 8 1 knotepl 112 630 0 611 1 0 1 1 0 8 0 kqueuepl 104 411 0 409 1 0 1 1 0 8 0 pipepl 112 1074 0 1055 4 3 1 2 0 8 0 fdescpl 424 1490 0 1476 2 0 2 2 0 8 0 filepl 120 9828 0 9733 6 2 4 5 0 8 1 lockfpl 104 481 0 481 5 4 1 1 0 8 1 lockfspl 32 739 0 739 5 4 1 1 0 8 1 sessionpl 112 32 0 22 1 0 1 1 0 8 0 pgrppl 48 48 0 38 1 0 1 1 0 8 0 ucredpl 96 2460 0 2453 1 0 1 1 0 8 0 zombiepl 144 1476 0 1476 2 1 1 1 0 8 1 processpl 840 1505 0 1476 4 0 4 4 0 8 0 procpl 600 3245 0 3208 5 1 4 4 0 8 1 sosppl 128 14 0 14 6 6 0 1 0 8 0 sockpl 384 1332 0 1314 7 4 3 4 0 8 1 mcl64k 65536 546 0 546 38 37 1 33 0 8 1 mcl16k 16384 5 0 5 5 5 0 1 0 8 0 mcl12k 12288 22 0 22 10 9 1 1 0 8 1 mcl9k 9216 24 0 24 8 8 0 1 0 8 0 mcl8k 8192 28 0 28 9 8 1 1 0 8 1 mcl4k 4096 69 0 69 8 7 1 1 0 8 1 mcl2k2 2112 14 0 14 7 7 0 1 0 8 0 mcl2k 2048 50329 0 50294 13 8 5 10 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 90816 0 90747 39 32 7 21 0 8 0 bufpl 256 14145 0 6733 532 65 467 532 0 8 0 anonpl 16 182814 0 174954 103 65 38 53 0 62 0 amapchunkpl 152 6838 0 6758 23 19 4 15 0 158 0 amappl16 192 8787 0 8302 105 80 25 36 0 8 0 amappl15 184 242 0 236 1 0 1 1 0 8 0 amappl14 176 304 0 302 2 1 1 1 0 8 0 amappl13 168 623 0 620 1 0 1 1 0 8 0 amappl12 160 263 0 260 1 0 1 1 0 8 0 amappl11 152 149 0 136 1 0 1 1 0 8 0 amappl10 144 151 0 149 2 1 1 1 0 8 0 amappl9 136 806 0 803 1 0 1 1 0 8 0 amappl8 128 373 0 358 1 0 1 1 0 8 0 amappl7 120 93 0 84 1 0 1 1 0 8 0 amappl6 112 60 0 54 1 0 1 1 0 8 0 amappl5 104 181 0 171 1 0 1 1 0 8 0 amappl4 96 1857 0 1832 1 0 1 1 0 8 0 amappl3 88 659 0 653 1 0 1 1 0 8 0 amappl2 80 12129 0 12076 2 0 2 2 0 8 0 amappl1 72 36112 0 35695 24 15 9 19 0 8 0 amappl 72 3565 0 3533 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 89 0 4 2 0 2 2 0 8 0 uaddrrnd 24 1490 0 1476 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1490 0 1476 1 0 1 1 0 8 0 vmmpekpl 168 14188 0 14167 2 0 2 2 0 8 0 vmmpepl 168 166004 0 164591 163 85 78 82 0 357 11 vmsppl 264 1489 0 1476 4 3 1 2 0 8 0 pdppl 4096 2986 0 2952 5 0 5 5 0 8 0 pvpl 32 576235 0 565209 257 147 110 228 0 265 11 pmappl 192 1489 0 1476 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 758 0 166 20 1 19 19 0 8 0