uvm_fault(0xffffffff824ed6f8, 0xffff800000a9b000, 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(0xffffffff824ed6f8, 0xffff800000a9b000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff80001e453d10, count: 0 ddb> trace memcpy() at memcpy+0x15 rtm_msg1(c,ffff80001e453d28) at rtm_msg1+0x1b2 sys/net/rtsock.c:1554 rtm_addr(c,ffff800000a9af00) at rtm_addr+0x9b sys/net/rtsock.c:1742 rt_ifa_add(ffff800000a9af00,240404,ffff800000a9af40,0) at rt_ifa_add+0x2a7 sys/net/route.c:1139 rt_ifa_addlocal(ffff800000a9af00) at rt_ifa_addlocal+0x149 sys/net/route.c:1237 in_ifinit(ffff8000009fa000,ffff800000a9af00,ffff800000a9af58,0) at in_ifinit+0x1cf sys/netinet/in.c:688 in_ioctl_change_ifaddr(8040691a,ffff80001e454220,ffff8000009fa000,1) at in_ioctl_change_ifaddr+0x68c sys/netinet/in.c:519 in_ioctl(8040691a,ffff80001e454220,ffff8000009fa000,1) at in_ioctl+0x2fb sys/netinet/in.c:246 ifioctl(fffffd805e54daf0,8040691a,ffff80001e454220,ffff80001d36d9d8) at ifioctl+0xe60 sys/net/if.c:2290 sys_ioctl(ffff80001d36d9d8,ffff80001e454338,ffff80001e454380) at sys_ioctl+0x4a1 syscall(ffff80001e454400) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5923b25a810, count: -12 ddb> show registers rdi 0xfffffd8053696598 rsi 0xffff800000a9b000 rbp 0xffff80001e453ca0 rbx 0 rdx 0x88 rcx 0x2 rax 0x7d8052bfb598 r8 0x2 r9 0x1 r10 0x809e60a8f0232114 r11 0xfffffd8053696520 r12 0x88 r13 0x88 r14 0xffff800000a9af88 r15 0xfffffd8053696500 rip 0xffffffff8205b325 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff80001e453bd8 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (syz-executor.1) pid=169790 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff80001d36e398,0xffffffff8254ace0 process=0xffff8000ffffa710 user=0xffff80001e44f000, vmspace=0xfffffd806bc09330 estcpu=32, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 40865 277669 15816 0 2 0 syz-executor.1 *40865 169790 15816 0 7 0x4000000 syz-executor.1 13081 71633 0 0 3 0x14200 bored sosplice 23266 95174 0 0 3 0x14200 acct acct 68880 317485 51690 0 2 0x2 syz-executor.0 15816 104986 51690 0 2 0x482 syz-executor.1 51690 122110 76712 0 3 0x82 thrsleep syz-fuzzer 51690 15939 76712 0 3 0x4000082 nanosleep syz-fuzzer 51690 307788 76712 0 3 0x4000082 thrsleep syz-fuzzer 51690 449372 76712 0 3 0x4000082 thrsleep syz-fuzzer 51690 346908 76712 0 3 0x4000082 thrsleep syz-fuzzer 51690 479331 76712 0 3 0x4000082 kqread syz-fuzzer 51690 155509 76712 0 3 0x4000082 thrsleep syz-fuzzer 51690 408200 76712 0 3 0x4000082 thrsleep syz-fuzzer 76712 85169 69086 0 3 0x10008a pause ksh 69086 326736 97237 0 3 0x92 select sshd 38651 303618 1 0 3 0x100083 ttyin getty 97237 93305 1 0 3 0x80 select sshd 25245 101572 69201 73 3 0x100090 kqread syslogd 69201 428701 1 0 3 0x100082 netio syslogd 62312 455379 1 77 3 0x100090 poll dhclient 64350 439830 1 0 3 0x80 poll dhclient 80537 66092 0 0 2 0x14200 zerothread 65010 503176 0 0 3 0x14200 aiodoned aiodoned 65587 66804 0 0 3 0x14200 syncer update 97446 107228 0 0 3 0x14200 cleaner cleaner 46606 321183 0 0 3 0x14200 reaper reaper 63689 511904 0 0 3 0x14200 pgdaemon pagedaemon 76298 193837 0 0 3 0x14200 bored crynlk 42350 244116 0 0 3 0x14200 bored crypto 1396 219977 0 0 3 0x40014200 acpi0 acpi0 68846 382194 0 0 3 0x14200 bored softnet 79238 308509 0 0 3 0x14200 bored systqmp 41023 413264 0 0 3 0x14200 bored systq 89235 285394 0 0 3 0x40014200 bored softclock 83937 489292 0 0 3 0x40014200 idle0 55633 302860 0 0 3 0x14200 bored smr 1 404522 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 devbuf 9496 6357K 6729K 78643K 11255 0 pcb 13 8K 8K 78643K 77 0 rtable 102 3K 4K 78643K 388 0 ifaddr 68 13K 14K 78643K 151 0 counters 21 16K 17K 78643K 34 0 ioctlops 0 0K 2K 78643K 33 0 iov 0 0K 24K 78643K 81 0 mount 1 1K 1K 78643K 1 0 vnodes 1214 76K 77K 78643K 1448 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 3 5K 5K 78643K 4 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 1K 78643K 38 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 336 0 sigio 0 0K 0K 78643K 6 0 proc 49 38K 54K 78643K 460 0 subproc 32 2K 2K 78643K 68 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 50 0 in_multi 45 2K 2K 78643K 116 0 ether_multi 1 0K 0K 78643K 10 0 mrt 0 0K 0K 78643K 5 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 61 281K 281K 78643K 61 0 exec 0 0K 1K 78643K 241 0 pfkey data 0 0K 1K 78643K 2 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 112 38K 40K 78643K 1691 0 UVM aobj 23 2K 2K 78643K 25 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 56 0 NDP 11 0K 0K 78643K 35 0 temp 105 3009K 3079K 78643K 30740 0 kqueue 3 4K 16K 78643K 49 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 12 0 5 1 0 1 1 0 8 0 rtpcb 80 37 0 35 1 0 1 1 0 8 0 rtentry 112 83 0 42 2 0 2 2 0 8 0 unpcb 120 693 0 679 3 2 1 2 0 8 0 syncache 264 6 0 6 2 2 0 1 0 8 0 tcpqe 32 41 0 41 2 2 0 1 0 8 0 tcpcb 544 125 0 121 1 0 1 1 0 8 0 ipq 40 4 0 4 3 3 0 1 0 8 0 ipqe 40 96 0 96 3 3 0 1 0 8 0 inpcb 280 440 0 431 3 2 1 2 0 8 0 rttmr 72 2 0 2 1 1 0 1 0 8 0 ip6q 72 1 0 0 1 0 1 1 0 8 0 nd6 48 11 0 9 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 2 0 1 0 8 0 ppxss 1128 2 0 2 2 1 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 384 0 194 14 2 12 14 0 8 0 art_table 32 385 0 194 2 0 2 2 0 8 0 art_node 16 82 0 43 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 5 2 1 1 1 0 8 0 semapl 112 36 0 26 1 0 1 1 0 8 0 shmpl 112 23 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1863 0 470 46 0 46 46 0 8 0 ffsino 240 1863 0 470 83 0 83 83 0 8 0 nchpl 144 2510 0 912 60 0 60 60 0 8 0 uvmvnodes 72 2081 0 0 38 0 38 38 0 8 0 vnodes 208 2081 0 0 110 0 110 110 0 8 0 namei 1024 7483 0 7482 2 1 1 1 0 8 0 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 528 4 0 2 1 0 1 1 0 8 0 scsiplug 64 2 0 2 1 0 1 1 0 8 1 scxspl 192 12639 0 12639 1 0 1 1 0 8 1 plimitpl 152 54 0 47 1 0 1 1 0 8 0 sigapl 432 501 0 488 2 0 2 2 0 8 0 futexpl 56 8288 0 8288 2 1 1 1 0 8 1 knotepl 112 141 0 122 1 0 1 1 0 8 0 kqueuepl 104 123 0 121 1 0 1 1 0 8 0 pipelkpl 16 158 0 148 1 0 1 1 0 8 0 pipepl 120 316 0 297 1 0 1 1 0 8 0 fdescpl 432 502 0 488 2 0 2 2 0 8 0 filepl 120 4240 0 4137 9 5 4 7 0 8 0 lockfpl 104 82 0 81 1 0 1 1 0 8 0 lockfspl 48 30 0 29 1 0 1 1 0 8 0 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 25 0 15 1 0 1 1 0 8 0 ucredpl 96 312 0 305 1 0 1 1 0 8 0 zombiepl 144 488 0 488 1 0 1 1 0 8 1 processpl 896 518 0 488 4 0 4 4 0 8 0 procpl 624 895 0 857 4 0 4 4 0 8 0 sosppl 128 11 0 11 1 1 0 1 0 8 0 sockpl 400 1176 0 1151 12 9 3 8 0 8 0 mcl64k 65536 21 0 21 2 1 1 1 0 8 1 mcl16k 16384 3 0 3 2 2 0 1 0 8 0 mcl12k 12288 6 0 6 2 2 0 1 0 8 0 mcl9k 9216 6 0 6 2 1 1 1 0 8 1 mcl8k 8192 14 0 14 3 2 1 1 0 8 1 mcl4k 4096 41 0 41 3 2 1 1 0 8 1 mcl2k2 2112 3 0 3 2 1 1 1 0 8 1 mcl2k 2048 63475 0 63431 15 9 6 12 0 8 0 mtagpl 80 24 0 7 2 1 1 1 0 8 0 mbufpl 256 103518 0 103377 32 18 14 20 0 8 3 bufpl 280 6678 0 1268 387 0 387 387 0 8 0 anonpl 16 82074 0 66262 87 6 81 82 0 107 15 amapchunkpl 152 2844 0 2703 17 10 7 17 0 158 1 amappl16 192 3180 0 2291 64 11 53 58 0 8 8 amappl15 184 172 0 167 1 0 1 1 0 8 0 amappl14 176 37 0 35 1 0 1 1 0 8 0 amappl13 168 40 0 40 2 2 0 1 0 8 0 amappl12 160 8 0 7 2 1 1 1 0 8 0 amappl11 152 164 0 151 1 0 1 1 0 8 0 amappl10 144 17 0 15 1 0 1 1 0 8 0 amappl9 136 589 0 584 1 0 1 1 0 8 0 amappl8 128 117 0 96 1 0 1 1 0 8 0 amappl7 120 113 0 99 1 0 1 1 0 8 0 amappl6 112 174 0 165 1 0 1 1 0 8 0 amappl5 104 153 0 143 1 0 1 1 0 8 0 amappl4 96 719 0 693 1 0 1 1 0 8 0 amappl3 88 126 0 119 1 0 1 1 0 8 0 amappl2 80 3267 0 3200 3 1 2 3 0 8 0 amappl1 72 19170 0 18754 26 17 9 20 0 8 0 amappl 80 1152 0 1108 2 0 2 2 0 84 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 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 64 24 0 2 1 0 1 1 0 8 0 uaddrrnd 24 506 0 490 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 506 0 490 1 0 1 1 0 8 0 vmmpekpl 168 7544 0 7517 2 0 2 2 0 8 0 vmmpepl 168 69009 0 67031 140 37 103 116 0 357 17 vmsppl 272 505 0 490 3 1 2 2 0 8 1 pdppl 4096 1018 0 982 7 2 5 6 0 8 0 pvpl 32 265123 0 246195 296 42 254 296 0 265 96 pmappl 200 505 0 490 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 189 0 51 5 0 5 5 0 8 0