uvm_fault(0xffffffff821fee90, 0xffff800003b84000, 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, 0xffff800003b84000, 0, 1) -> e memcpy(fffffd803c748238,ffff800003b83f0d,0,fffffd803c748238,102596d92ec6e2e7,ffff8000149f6588) at memcpy+0x15 end trace frame: 0xffff8000149f6490, count: 0 ddb> trace memcpy(fffffd803c748238,ffff800003b83f0d,0,fffffd803c748238,102596d92ec6e2e7,ffff8000149f6588) at memcpy+0x15 rtrequest(1,ffff8000149f6588,0,ffff8000149f64d0,0) at rtrequest+0x83b sys/net/route.c:917 rtm_output(ffff800003b83f00,ffff8000149f6580,ffff8000149f6588,0,0) at rtm_output+0x711 sys/net/rtsock.c:888 route_output(fffffd802bfdc300,fffffd8036428d88,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd8036428d88,9,fffffd802bfdc300,0,0,ffff8000ffff5528) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd8036428d88,0,ffff8000149f6848,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff5528,3,ffff8000149f6908,0,ffff8000149f69d0) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff5528,ffff8000149f69e8,ffff8000149f69d0) at sys_sendto+0x92 syscall(ffff8000149f6a80) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,aef13f99010) at Xsyscall+0x128 end of kernel end trace frame: 0xaf20f351670, count: -10 ddb> show registers rdi 0xffff800003b83ef0 rsi 0xffff800003b83ffd rbp 0xffff8000149f6380 rbx 0xffff800003b83f0d rdx 0x100 rcx 0x2 rax 0xfffffffffffffef3 r8 0x70 r9 0x5 r10 0x5bee61382f9e4d7b r11 0xffff800003b83e00 r12 0xffff800003b83e00 r13 0x100 r14 0 r15 0xfffffd803c748238 rip 0xffffffff812126e5 memcpy+0x15 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff8000149f6318 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (syz-executor.0) pid=510869 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff4718,0xffffffff82290d98 process=0xffff8000ffff7708 user=0xffff8000149f1000, vmspace=0xfffffd803f014b58 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 73539 421441 53441 0 2 0 syz-executor.0 *73539 510869 53441 0 7 0x4000000 syz-executor.0 24646 96305 71039 0 2 0x2 syz-executor.1 53441 268348 71039 0 2 0x482 syz-executor.0 88189 484099 0 0 3 0x14200 bored sosplice 71039 255216 22419 0 3 0x82 thrsleep syz-fuzzer 71039 429280 22419 0 2 0x4000482 syz-fuzzer 71039 431313 22419 0 3 0x4000082 thrsleep syz-fuzzer 71039 195882 22419 0 3 0x4000082 kqread syz-fuzzer 71039 220624 22419 0 3 0x4000082 thrsleep syz-fuzzer 71039 274626 22419 0 3 0x4000082 thrsleep syz-fuzzer 71039 335996 22419 0 3 0x4000082 thrsleep syz-fuzzer 71039 484501 22419 0 3 0x4000082 thrsleep syz-fuzzer 22419 254715 27985 0 3 0x10008a pause ksh 27985 486996 15608 0 3 0x92 select sshd 19925 493465 1 0 3 0x100083 ttyin getty 15608 234965 1 0 3 0x80 select sshd 39227 364995 74799 73 2 0x100090 syslogd 74799 142011 1 0 3 0x100082 netio syslogd 26649 334959 1 77 3 0x100090 poll dhclient 44737 234885 1 0 3 0x80 poll dhclient 6885 145535 0 0 2 0x14200 zerothread 7635 291582 0 0 3 0x14200 aiodoned aiodoned 46222 284053 0 0 3 0x14200 syncer update 62489 172412 0 0 3 0x14200 cleaner cleaner 51374 271687 0 0 3 0x14200 reaper reaper 7727 380321 0 0 3 0x14200 pgdaemon pagedaemon 49882 154024 0 0 3 0x14200 bored crynlk 85830 423307 0 0 3 0x14200 bored crypto 44132 231837 0 0 3 0x40014200 acpi0 acpi0 74713 127674 0 0 3 0x14200 bored softnet 78802 59712 0 0 3 0x14200 bored systqmp 90012 64035 0 0 3 0x14200 bored systq 88794 152981 0 0 3 0x40014200 bored softclock 92890 493198 0 0 3 0x40014200 idle0 67647 405034 0 0 3 0x14200 bored smr 1 398464 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 9517 6352K 6362K 78643K 10972 0 0 pcb 24 9K 11K 78643K 711 0 0 rtable 106 4K 4K 78643K 558 0 0 ifaddr 61 13K 14K 78643K 196 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 42 0 0 iov 0 0K 32K 78643K 166 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1196 75K 76K 78643K 1757 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 21 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 164 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 1089 0 0 sigio 0 0K 0K 78643K 32 0 0 proc 41 30K 54K 78643K 492 0 0 subproc 64 65538K 69634K 78643K 243 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 166 0 0 in_multi 33 2K 2K 78643K 120 0 0 ether_multi 1 0K 0K 78643K 4 0 0 mrt 0 0K 0K 78643K 2 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 285 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 82 20K 21K 78643K 3346 0 0 UVM aobj 64 5K 5K 78643K 75 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 79 0 0 NDP 13 0K 0K 78643K 60 0 0 temp 179 2359K 2426K 78643K 6171 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 9 0 5 1 0 1 1 0 8 0 inpcbpl 280 660 0 653 1 0 1 1 0 8 0 plimitpl 152 47 0 40 1 0 1 1 0 8 0 rtentry 112 91 0 50 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 230 0 226 1 0 1 1 0 8 0 nd6 48 14 0 10 1 0 1 1 0 8 0 ppxss 1128 20 0 20 6 5 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 397 0 205 12 0 12 12 0 8 0 art_table 32 398 0 205 2 0 2 2 0 8 0 art_node 16 85 0 51 1 0 1 1 0 8 0 sysvmsgpl 40 23 0 7 1 0 1 1 0 8 0 semapl 112 162 0 152 1 0 1 1 0 8 0 shmpl 112 73 0 11 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 3345 0 1905 47 0 47 47 0 8 0 ffsino 240 3345 0 1905 85 0 85 85 0 8 0 nchpl 144 5180 0 3540 61 0 61 61 0 8 0 uvmvnodes 72 3542 0 0 65 0 65 65 0 8 0 vnodes 200 3542 0 0 187 0 187 187 0 8 0 namei 1024 15589 0 15588 1 0 1 1 0 8 0 scsiplug 64 4 0 4 1 1 0 1 0 8 0 scxspl 192 14959 0 14959 17 14 3 7 0 8 3 sigapl 432 1244 0 1231 2 0 2 2 0 8 0 futexpl 56 18919 0 18919 1 0 1 1 0 8 1 knotepl 112 397 0 378 1 0 1 1 0 8 0 kqueuepl 104 352 0 350 1 0 1 1 0 8 0 pipepl 112 982 0 963 5 4 1 2 0 8 0 fdescpl 424 1245 0 1231 2 0 2 2 0 8 0 filepl 120 8034 0 7939 8 4 4 5 0 8 1 lockfpl 104 368 0 368 4 3 1 1 0 8 1 lockfspl 32 285 0 285 4 3 1 1 0 8 1 sessionpl 112 22 0 12 1 0 1 1 0 8 0 pgrppl 48 44 0 34 1 0 1 1 0 8 0 ucredpl 96 1598 0 1591 1 0 1 1 0 8 0 zombiepl 144 1231 0 1231 1 0 1 1 0 8 1 processpl 840 1260 0 1231 4 0 4 4 0 8 0 procpl 600 2629 0 2592 4 0 4 4 0 8 1 sosppl 128 24 0 24 6 5 1 1 0 8 1 sockpl 384 1268 0 1250 8 5 3 4 0 8 1 mcl64k 65536 780 0 780 66 65 1 64 0 8 1 mcl16k 16384 4 0 4 4 4 0 1 0 8 0 mcl12k 12288 31 0 31 6 5 1 1 0 8 1 mcl9k 9216 18 0 18 7 6 1 1 0 8 1 mcl8k 8192 27 0 27 8 7 1 1 0 8 1 mcl4k 4096 84 0 84 3 2 1 1 0 8 1 mcl2k2 2112 12 0 12 6 5 1 1 0 8 1 mcl2k 2048 48985 0 48952 14 9 5 12 0 8 0 mtagpl 80 4 0 4 2 2 0 1 0 8 0 mbufpl 256 91918 0 91847 77 70 7 43 0 8 0 bufpl 256 8051 0 3556 282 0 282 282 0 8 0 anonpl 16 127416 0 119589 82 37 45 53 0 62 7 amapchunkpl 152 5037 0 4948 9 4 5 8 0 158 0 amappl16 192 6242 0 5775 72 47 25 36 0 8 1 amappl15 184 139 0 134 1 0 1 1 0 8 0 amappl14 176 52 0 51 1 0 1 1 0 8 0 amappl13 168 585 0 580 1 0 1 1 0 8 0 amappl12 160 231 0 229 1 0 1 1 0 8 0 amappl11 152 19 0 8 1 0 1 1 0 8 0 amappl10 144 501 0 498 1 0 1 1 0 8 0 amappl9 136 540 0 535 1 0 1 1 0 8 0 amappl8 128 143 0 122 1 0 1 1 0 8 0 amappl7 120 355 0 348 1 0 1 1 0 8 0 amappl6 112 53 0 46 1 0 1 1 0 8 0 amappl5 104 414 0 404 1 0 1 1 0 8 0 amappl4 96 1413 0 1389 2 1 1 2 0 8 0 amappl3 88 185 0 178 1 0 1 1 0 8 0 amappl2 80 10301 0 10250 2 0 2 2 0 8 0 amappl1 72 31098 0 30688 26 17 9 19 0 8 0 amappl 72 2882 0 2848 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 74 0 11 2 0 2 2 0 8 0 uaddrrnd 24 1245 0 1231 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1245 0 1231 1 0 1 1 0 8 0 vmmpekpl 168 13223 0 13203 2 0 2 2 0 8 0 vmmpepl 168 133251 0 131848 120 42 78 78 0 357 13 vmsppl 264 1244 0 1231 2 1 1 2 0 8 0 pdppl 4096 2496 0 2462 6 1 5 6 0 8 0 pvpl 32 373525 0 362636 183 56 127 138 0 265 28 pmappl 192 1244 0 1231 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 565 0 160 15 0 15 15 0 8 2