uvm_fault(0xffffffff821fee90, 0xffff80000196d000, 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, 0xffff80000196d000, 0, 1) -> e memcpy(fffffd8030477388,ffff80000196cf0d,1,fffffd8030477388,42101a902753faf2,ffff800014a3b548) at memcpy+0x15 end trace frame: 0xffff800014a3b450, count: 0 ddb> trace memcpy(fffffd8030477388,ffff80000196cf0d,1,fffffd8030477388,42101a902753faf2,ffff800014a3b548) at memcpy+0x15 rtrequest(1,ffff800014a3b548,0,ffff800014a3b490,1) at rtrequest+0x83b sys/net/route.c:917 rtm_output(ffff80000196cf00,ffff800014a3b540,ffff800014a3b548,0,1) at rtm_output+0x711 sys/net/rtsock.c:888 route_output(fffffd8030505000,fffffd8037015900,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd8037015900,9,fffffd8030505000,0,0,ffff8000ffff2270) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd8037015900,0,ffff800014a3b808,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff2270,4,ffff800014a3b8c8,0,ffff800014a3b990) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff2270,ffff800014a3b9a8,ffff800014a3b990) at sys_sendto+0x92 syscall(ffff800014a3ba40) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,269eb734010) at Xsyscall+0x128 end of kernel end trace frame: 0x26c1a0da6c0, count: -10 ddb> show registers rdi 0xffff80000196c7f0 rsi 0xffff80000196cffd rbp 0xffff800014a3b340 rbx 0xffff80000196cf0d rdx 0x100 rcx 0x2 rax 0xfffffffffffff7f3 r8 0x70 r9 0x5 r10 0xff40c9ed5244aa5 r11 0xffff80000196c700 r12 0xffff80000196c700 r13 0x100 r14 0 r15 0xfffffd8030477388 rip 0xffffffff812126e5 memcpy+0x15 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff800014a3b2d8 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (syz-executor.0) pid=443731 stat=onproc flags process=0 proc=4000000 pri=72, usrpri=72, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff4e20,0xffffffff82290d98 process=0xffff8000ffff73c0 user=0xffff800014a36000, vmspace=0xfffffd803f014c60 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 37747 80308 81681 0 2 0 syz-executor.0 *37747 443731 81681 0 7 0x4000000 syz-executor.0 18283 21046 14297 0 3 0x80 nanosleep syz-executor.1 18283 341205 14297 0 3 0x4000080 ttyout syz-executor.1 18283 138934 14297 0 3 0x4000080 ttyout syz-executor.1 18283 143892 14297 0 3 0x4000080 fsleep syz-executor.1 14297 448410 785 0 3 0x82 nanosleep syz-executor.1 94209 302978 0 0 3 0x14200 bored sosplice 81681 167806 785 0 3 0x82 nanosleep syz-executor.0 785 298764 80659 0 3 0x82 thrsleep syz-fuzzer 785 31376 80659 0 3 0x4000082 nanosleep syz-fuzzer 785 191171 80659 0 3 0x4000082 thrsleep syz-fuzzer 785 450870 80659 0 3 0x4000082 kqread syz-fuzzer 785 11229 80659 0 3 0x4000082 thrsleep syz-fuzzer 785 516959 80659 0 3 0x4000082 thrsleep syz-fuzzer 785 392219 80659 0 3 0x4000082 thrsleep syz-fuzzer 80659 148870 43156 0 3 0x10008a pause ksh 43156 448078 94947 0 3 0x92 select sshd 27261 19224 1 0 3 0x100083 ttyin getty 94947 291924 1 0 3 0x80 select sshd 40784 228607 30087 73 2 0x100090 syslogd 30087 221608 1 0 3 0x100082 netio syslogd 66519 347157 1 77 3 0x100090 poll dhclient 85066 237164 1 0 3 0x80 poll dhclient 92780 187948 0 0 3 0x14200 pgzero zerothread 44021 278711 0 0 3 0x14200 aiodoned aiodoned 70956 218435 0 0 3 0x14200 syncer update 10383 8605 0 0 3 0x14200 cleaner cleaner 68492 23894 0 0 3 0x14200 reaper reaper 94885 321264 0 0 3 0x14200 pgdaemon pagedaemon 28513 180101 0 0 3 0x14200 bored crynlk 75773 3190 0 0 3 0x14200 bored crypto 9209 470141 0 0 3 0x40014200 acpi0 acpi0 64260 53430 0 0 3 0x14200 bored softnet 56237 213682 0 0 3 0x14200 bored systqmp 40722 164726 0 0 3 0x14200 bored systq 12696 24463 0 0 3 0x40014200 bored softclock 19118 285557 0 0 3 0x40014200 idle0 51721 232769 0 0 3 0x14200 bored smr 1 304431 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 9471 6329K 6338K 78643K 10668 0 0 pcb 25 9K 10K 78643K 247 0 0 rtable 106 4K 4K 78643K 325 0 0 ifaddr 46 11K 12K 78643K 98 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 19 0 0 iov 0 0K 16K 78643K 36 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1200 75K 75K 78643K 1396 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 8 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 1K 78643K 52 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 25K 78643K 313 0 0 sigio 0 0K 0K 78643K 10 0 0 proc 41 30K 54K 78643K 318 0 0 subproc 64 65538K 69634K 78643K 136 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 56 0 0 ether_multi 1 0K 0K 78643K 1 0 0 mrt 1 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 60 265K 265K 78643K 60 0 0 exec 0 0K 1K 78643K 215 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 78 20K 20K 78643K 1537 0 0 UVM aobj 15 2K 2K 78643K 15 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 10 0K 0K 78643K 28 0 0 temp 122 2349K 2414K 78643K 3867 0 0 kqueue 0 0K 0K 78643K 8 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 6 0 2 1 0 1 1 0 8 0 inpcbpl 280 176 0 169 1 0 1 1 0 8 0 plimitpl 152 30 0 23 1 0 1 1 0 8 0 rtentry 112 61 0 20 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 64 0 60 1 0 1 1 0 8 0 nd6 48 8 0 4 1 0 1 1 0 8 0 ppxss 1128 8 0 8 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 270 0 82 12 0 12 12 0 8 0 art_table 32 271 0 82 2 0 2 2 0 8 0 art_node 16 58 0 24 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 7 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 48 0 38 1 0 1 1 0 8 0 shmpl 112 13 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1970 0 555 46 0 46 46 0 8 0 ffsino 240 1970 0 555 84 0 84 84 0 8 0 nchpl 144 2611 0 979 61 0 61 61 0 8 0 uvmvnodes 72 2060 0 0 38 0 38 38 0 8 0 vnodes 200 2060 0 0 109 0 109 109 0 8 0 namei 1024 7110 0 7110 1 0 1 1 0 8 1 scxspl 192 7087 0 7087 7 6 1 6 0 8 1 sigapl 432 477 0 463 2 0 2 2 0 8 0 futexpl 56 5163 0 5162 1 0 1 1 0 8 0 knotepl 112 191 0 172 1 0 1 1 0 8 0 kqueuepl 104 109 0 107 1 0 1 1 0 8 0 pipepl 112 312 0 291 2 1 1 1 0 8 0 fdescpl 424 478 0 463 2 0 2 2 0 8 0 filepl 120 2893 0 2791 4 0 4 4 0 8 0 lockfpl 104 112 0 112 2 1 1 1 0 8 1 lockfspl 32 140 0 140 2 1 1 1 0 8 1 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 21 0 11 1 0 1 1 0 8 0 ucredpl 96 634 0 627 1 0 1 1 0 8 0 zombiepl 144 463 0 463 2 1 1 1 0 8 1 processpl 840 493 0 463 4 0 4 4 0 8 0 procpl 600 906 0 866 4 0 4 4 0 8 0 sosppl 128 5 0 5 2 1 1 1 0 8 1 sockpl 384 388 0 369 3 0 3 3 0 8 1 mcl64k 65536 1 0 1 1 1 0 1 0 8 0 mcl16k 16384 1 0 1 1 1 0 1 0 8 0 mcl12k 12288 5 0 5 2 1 1 1 0 8 1 mcl9k 9216 5 0 5 1 0 1 1 0 8 1 mcl8k 8192 3 0 3 2 2 0 1 0 8 0 mcl4k 4096 25 0 25 2 1 1 1 0 8 1 mcl2k 2048 47775 0 47737 14 8 6 11 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 79582 0 79494 12 5 7 8 0 8 0 bufpl 256 6333 0 1863 280 0 280 280 0 8 0 anonpl 16 53961 0 46826 49 12 37 47 0 62 1 amapchunkpl 152 1995 0 1908 5 0 5 5 0 158 0 amappl16 192 2051 0 1589 36 12 24 36 0 8 0 amappl15 184 52 0 45 1 0 1 1 0 8 0 amappl14 176 24 0 23 2 1 1 1 0 8 0 amappl13 168 28 0 24 1 0 1 1 0 8 0 amappl12 160 163 0 158 1 0 1 1 0 8 0 amappl11 152 123 0 111 1 0 1 1 0 8 0 amappl10 144 90 0 88 2 1 1 1 0 8 0 amappl9 136 538 0 535 1 0 1 1 0 8 0 amappl8 128 123 0 106 1 0 1 1 0 8 0 amappl7 120 63 0 58 1 0 1 1 0 8 0 amappl6 112 158 0 149 1 0 1 1 0 8 0 amappl5 104 282 0 271 1 0 1 1 0 8 0 amappl4 96 653 0 626 2 1 1 2 0 8 0 amappl3 88 127 0 122 1 0 1 1 0 8 0 amappl2 80 3178 0 3117 2 0 2 2 0 8 0 amappl1 72 17669 0 17220 26 16 10 19 0 8 0 amappl 72 1144 0 1108 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 14 0 0 1 0 1 1 0 8 0 uaddrrnd 24 478 0 463 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 478 0 463 1 0 1 1 0 8 0 vmmpekpl 168 7694 0 7677 2 0 2 2 0 8 0 vmmpepl 168 56259 0 54758 104 27 77 80 0 357 11 vmsppl 264 477 0 463 3 2 1 2 0 8 0 pdppl 4096 962 0 926 6 1 5 6 0 8 0 pvpl 32 178576 0 168300 129 14 115 125 0 265 20 pmappl 192 477 0 463 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 422 0 21 12 0 12 12 0 8 0