uvm_fault(0xffffffff821fee90, 0xffff800001975000, 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(0xffffffff821fee90, 0xffff800001975000, 0, 1) -> e memcpy(fffffd80391e39a8,ffff800001974f0d,1,fffffd80391e39a8,e92a9b534e6e2fa6,ffff800014a3ace8) at memcpy+0x15 end trace frame: 0xffff800014a3abf0, count: 0 ddb> trace memcpy(fffffd80391e39a8,ffff800001974f0d,1,fffffd80391e39a8,e92a9b534e6e2fa6,ffff800014a3ace8) at memcpy+0x15 rtrequest(1,ffff800014a3ace8,0,ffff800014a3ac30,1) at rtrequest+0x83b sys/net/route.c:917 rtm_output(ffff800001974f00,ffff800014a3ace0,ffff800014a3ace8,0,1) at rtm_output+0x711 sys/net/rtsock.c:888 route_output(fffffd8034406300,fffffd8037011300,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd8037011300,9,fffffd8034406300,0,0,ffff8000ffff8710) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd8037011300,0,ffff800014a3afa8,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff8710,4,ffff800014a3b068,0,ffff800014a3b130) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff8710,ffff800014a3b148,ffff800014a3b130) at sys_sendto+0x92 syscall(ffff800014a3b1e0) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,67e2573c010) at Xsyscall+0x128 end of kernel end trace frame: 0x6804d319890, count: -10 ddb> show registers rdi 0xffff8000019740f0 rsi 0xffff800001974ffd rbp 0xffff800014a3aae0 rbx 0xffff800001974f0d rdx 0x100 rcx 0x2 rax 0xfffffffffffff0f3 r8 0x70 r9 0x5 r10 0x455b614fbc0f9a3c r11 0xffff800001974000 r12 0xffff800001974000 r13 0x100 r14 0 r15 0xfffffd80391e39a8 rip 0xffffffff812126e5 memcpy+0x15 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff800014a3aa78 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (syz-executor.0) pid=332507 stat=onproc flags process=0 proc=4000000 pri=73, usrpri=73, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff9778,0xffffffff82290d98 process=0xffff8000ffff6d30 user=0xffff800014a36000, vmspace=0xfffffd803f014000 estcpu=23, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 7743 372557 58047 0 2 0 syz-executor.0 * 7743 332507 58047 0 7 0x4000000 syz-executor.0 79606 332683 78091 0 2 0 syz-executor.1 79606 279923 78091 0 3 0x4000080 fsleep syz-executor.1 58047 389187 54255 0 2 0x482 syz-executor.0 2659 438414 0 0 3 0x14200 bored sosplice 78091 38817 54255 0 2 0x482 syz-executor.1 54255 263043 82360 0 3 0x82 kqread syz-fuzzer 54255 141773 82360 0 3 0x4000082 nanosleep syz-fuzzer 54255 516872 82360 0 3 0x4000082 thrsleep syz-fuzzer 54255 83985 82360 0 3 0x4000082 thrsleep syz-fuzzer 54255 247064 82360 0 3 0x4000082 thrsleep syz-fuzzer 54255 451790 82360 0 3 0x4000082 thrsleep syz-fuzzer 54255 112800 82360 0 3 0x4000082 thrsleep syz-fuzzer 54255 372924 82360 0 3 0x4000082 thrsleep syz-fuzzer 82360 387929 69897 0 3 0x10008a pause ksh 69897 304943 16475 0 3 0x92 select sshd 56206 373855 1 0 3 0x100083 ttyin getty 16475 516662 1 0 3 0x80 select sshd 74503 50201 40934 73 2 0x100090 syslogd 40934 314908 1 0 3 0x100082 netio syslogd 68292 262253 1 77 3 0x100090 poll dhclient 75768 483743 1 0 3 0x80 poll dhclient 32389 481504 0 0 2 0x14200 zerothread 69145 332161 0 0 3 0x14200 aiodoned aiodoned 41621 375519 0 0 3 0x14200 syncer update 44766 379544 0 0 3 0x14200 cleaner cleaner 20702 32081 0 0 3 0x14200 reaper reaper 37275 313567 0 0 3 0x14200 pgdaemon pagedaemon 11193 13927 0 0 3 0x14200 bored crynlk 48280 459133 0 0 3 0x14200 bored crypto 43828 176803 0 0 3 0x40014200 acpi0 acpi0 60296 432395 0 0 3 0x14200 bored softnet 66343 99847 0 0 3 0x14200 bored systqmp 28201 210359 0 0 3 0x14200 bored systq 18717 215727 0 0 3 0x40014200 bored softclock 55553 499387 0 0 3 0x40014200 idle0 78790 445391 0 0 3 0x14200 bored smr 1 28422 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 9460 6325K 6330K 78643K 10621 0 0 pcb 25 9K 10K 78643K 177 0 0 rtable 106 4K 4K 78643K 260 0 0 ifaddr 42 11K 11K 78643K 67 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 20 0 0 iov 0 0K 16K 78643K 37 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1199 75K 75K 78643K 1310 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 9K 78643K 7 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 34 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 21K 78643K 208 0 0 proc 41 30K 54K 78643K 311 0 0 subproc 64 65538K 67586K 78643K 102 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 26 0 0 in_multi 33 2K 2K 78643K 54 0 0 ether_multi 1 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 48 212K 212K 78643K 48 0 0 exec 0 0K 1K 78643K 188 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 75 20K 21K 78643K 1246 0 0 UVM aobj 9 2K 2K 78643K 11 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 10 0 0 NDP 7 0K 0K 78643K 19 0 0 temp 107 2347K 2413K 78643K 3468 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 5 0 1 1 0 1 1 0 8 0 inpcbpl 280 138 0 131 1 0 1 1 0 8 0 plimitpl 152 21 0 14 1 0 1 1 0 8 0 rtentry 112 52 0 11 2 0 2 2 0 8 0 syncache 264 4 0 4 2 2 0 1 0 8 0 tcpcb 544 54 0 50 1 0 1 1 0 8 0 nd6 48 6 0 2 1 0 1 1 0 8 0 ppxss 1128 3 0 3 2 1 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 227 0 41 12 0 12 12 0 8 0 art_table 32 228 0 41 2 0 2 2 0 8 0 art_node 16 49 0 15 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 4 1 0 1 1 0 8 1 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 32 0 22 1 0 1 1 0 8 0 shmpl 112 9 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1760 0 346 46 0 46 46 0 8 0 ffsino 240 1760 0 346 84 0 84 84 0 8 0 nchpl 144 2267 0 639 61 0 61 61 0 8 0 uvmvnodes 72 1833 0 0 34 0 34 34 0 8 0 vnodes 200 1833 0 0 97 0 97 97 0 8 0 namei 1024 6017 0 6017 3 2 1 1 0 8 1 scxspl 192 6243 0 6243 9 8 1 6 0 8 1 sigapl 432 375 0 361 2 0 2 2 0 8 0 futexpl 56 3317 0 3316 1 0 1 1 0 8 0 knotepl 112 125 0 106 1 0 1 1 0 8 0 kqueuepl 104 60 0 58 1 0 1 1 0 8 0 pipepl 112 282 0 263 3 2 1 1 0 8 0 fdescpl 424 376 0 361 2 0 2 2 0 8 0 filepl 120 2247 0 2149 4 0 4 4 0 8 1 lockfpl 104 66 0 66 2 1 1 1 0 8 1 lockfspl 32 74 0 74 2 1 1 1 0 8 1 sessionpl 112 18 0 8 1 0 1 1 0 8 0 pgrppl 48 18 0 8 1 0 1 1 0 8 0 ucredpl 96 439 0 432 1 0 1 1 0 8 0 zombiepl 144 361 0 361 3 2 1 1 0 8 1 processpl 840 391 0 361 4 0 4 4 0 8 0 procpl 600 647 0 608 4 0 4 4 0 8 1 sosppl 128 5 0 5 1 0 1 1 0 8 1 sockpl 384 288 0 269 3 0 3 3 0 8 1 mcl64k 65536 3 0 3 1 0 1 1 0 8 1 mcl12k 12288 3 0 3 1 0 1 1 0 8 1 mcl9k 9216 4 0 4 1 0 1 1 0 8 1 mcl8k 8192 4 0 4 1 1 0 1 0 8 0 mcl4k 4096 24 0 24 4 3 1 1 0 8 1 mcl2k2 2112 3 0 3 1 1 0 1 0 8 0 mcl2k 2048 47477 0 47445 11 6 5 10 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 78598 0 78536 8 2 6 6 0 8 0 bufpl 256 6137 0 1670 280 0 280 280 0 8 0 anonpl 16 41949 0 33187 40 4 36 36 0 62 0 amapchunkpl 152 1564 0 1481 9 2 7 9 0 158 1 amappl16 192 1334 0 867 24 0 24 24 0 8 0 amappl15 184 48 0 44 1 0 1 1 0 8 0 amappl14 176 22 0 21 3 2 1 1 0 8 0 amappl13 168 135 0 128 1 0 1 1 0 8 0 amappl12 160 104 0 100 2 1 1 1 0 8 0 amappl11 152 61 0 50 1 0 1 1 0 8 0 amappl10 144 64 0 61 3 2 1 1 0 8 0 amappl9 136 523 0 520 1 0 1 1 0 8 0 amappl8 128 118 0 105 1 0 1 1 0 8 0 amappl7 120 28 0 24 1 0 1 1 0 8 0 amappl6 112 88 0 82 1 0 1 1 0 8 0 amappl5 104 251 0 239 1 0 1 1 0 8 0 amappl4 96 558 0 532 2 1 1 2 0 8 0 amappl3 88 127 0 122 1 0 1 1 0 8 0 amappl2 80 2351 0 2288 2 0 2 2 0 8 0 amappl1 72 15466 0 15040 26 17 9 19 0 8 0 amappl 72 867 0 833 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 10 0 2 1 0 1 1 0 8 0 uaddrrnd 24 376 0 361 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 376 0 361 1 0 1 1 0 8 0 vmmpekpl 168 6924 0 6904 2 0 2 2 0 8 0 vmmpepl 168 45552 0 44074 95 22 73 77 0 357 8 vmsppl 264 375 0 361 2 1 1 2 0 8 0 pdppl 4096 758 0 722 5 0 5 5 0 8 0 pvpl 32 149967 0 138063 117 15 102 102 0 265 6 pmappl 192 375 0 361 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 416 0 16 12 0 12 12 0 8 0