uvm_fault(0xffffffff82516a00, 0xffff800000a54000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xffffffff82516a00, 0xffff800000a54000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff800023bb3450, count: 0 ddb{0}> trace memcpy() at memcpy+0x15 rtm_msg1(c,ffff800023bb3468) at rtm_msg1+0x1b2 sys/net/rtsock.c:1554 rtm_addr(c,ffff800000a53f00) at rtm_addr+0x9b sys/net/rtsock.c:1742 rt_ifa_add(ffff800000a53f00,240404,ffff800000a53f40,0) at rt_ifa_add+0x2db sys/net/route.c:1142 rt_ifa_addlocal(ffff800000a53f00) at rt_ifa_addlocal+0x16d sys/net/route.c:1242 in_ifinit(ffff800000a1e000,ffff800000a53f00,ffff800000a53f58,0) at in_ifinit+0x1cf sys/netinet/in.c:688 in_ioctl_change_ifaddr(8040691a,ffff800023bb3960,ffff800000a1e000,1) at in_ioctl_change_ifaddr+0x68c sys/netinet/in.c:519 in_ioctl(8040691a,ffff800023bb3960,ffff800000a1e000,1) at in_ioctl+0x2fb sys/netinet/in.c:246 ifioctl(fffffd8061f2fc48,8040691a,ffff800023bb3960,ffff800020ac8ee8) at ifioctl+0xe70 sys/net/if.c:2291 sys_ioctl(ffff800020ac8ee8,ffff800023bb3a78,ffff800023bb3ac0) at sys_ioctl+0x5b9 syscall(ffff800023bb3b40) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800023bb3b40) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5ab3e49c890, count: -12 ddb{0}> show registers rdi 0xfffffd806d709798 rsi 0xffff800000a54000 rbp 0xffff800023bb33e0 rbx 0 rdx 0xa0 rcx 0x5 rax 0x7d806ccb5798 r8 0x2 r9 0x1 r10 0x44e910a2ccf303c8 r11 0xfffffd806d709720 r12 0xa0 r13 0xa0 r14 0xffff800000a53f88 r15 0xfffffd806d709700 rip 0xffffffff819d4a85 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800023bb3318 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{0}> show proc PROC (syz-executor.1) pid=360642 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ac8508,0xffffffff8261f988 process=0xffff800020af5180 user=0xffff800023bae000, vmspace=0xfffffd806444a5d0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 20672 108657 39271 0 2 0 syz-executor.1 *20672 360642 39271 0 7 0x4000000 syz-executor.1 16329 45372 91092 60928 7 0x11 syz-executor.0 16329 284287 91092 60928 3 0x4000090 netcon syz-executor.0 16329 81399 91092 60928 3 0x4000090 netcon syz-executor.0 71803 37685 0 0 3 0x14200 bored sosplice 39271 124987 53683 0 3 0x82 nanosleep syz-executor.1 91092 213811 53683 0 2 0x482 syz-executor.0 53683 136485 6183 0 3 0x82 thrsleep syz-fuzzer 53683 279917 6183 0 2 0x4000482 syz-fuzzer 53683 197852 6183 0 3 0x4000082 thrsleep syz-fuzzer 53683 353185 6183 0 3 0x4000082 thrsleep syz-fuzzer 53683 309736 6183 0 3 0x4000082 thrsleep syz-fuzzer 53683 479644 6183 0 3 0x4000082 thrsleep syz-fuzzer 53683 101070 6183 0 3 0x4000082 thrsleep syz-fuzzer 53683 306298 6183 0 3 0x4000082 thrsleep syz-fuzzer 53683 519495 6183 0 3 0x4000082 thrsleep syz-fuzzer 53683 353165 6183 0 3 0x4000082 kqread syz-fuzzer 6183 481493 82943 0 3 0x10008a pause ksh 82943 403910 62750 0 3 0x92 select sshd 79017 224671 1 0 3 0x100083 ttyopn getty 62750 80397 1 0 3 0x80 select sshd 77301 475441 32178 74 3 0x100092 bpf pflogd 32178 379429 1 0 3 0x80 netio pflogd 87991 19386 55619 73 2 0x100090 syslogd 55619 15091 1 0 3 0x100082 netio syslogd 92158 131741 1 77 3 0x100090 poll dhclient 61852 494304 1 0 3 0x80 poll dhclient 1321 182026 0 0 2 0x14200 zerothread 60859 169555 0 0 3 0x14200 aiodoned aiodoned 60745 83725 0 0 3 0x14200 syncer update 75255 492261 0 0 3 0x14200 cleaner cleaner 33132 485445 0 0 3 0x14200 reaper reaper 96712 100931 0 0 3 0x14200 pgdaemon pagedaemon 80980 437215 0 0 3 0x14200 bored crynlk 78421 155591 0 0 3 0x14200 bored crypto 67523 319839 0 0 3 0x40014200 acpi0 acpi0 81071 187196 0 0 3 0x40014200 idle1 63462 405749 0 0 3 0x14200 bored softnet 58493 127885 0 0 3 0x14200 bored systqmp 27134 176338 0 0 3 0x14200 bored systq 71282 434901 0 0 3 0x40014200 bored softclock 77544 376299 0 0 3 0x40014200 idle0 78735 278036 0 0 3 0x14200 bored smr 1 451993 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 20672 (syz-executor.1) thread 0xffff800020ac8ee8 (360642) exclusive rwlock netlock r = 0 (0xffffffff824579d8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 in_ioctl_change_ifaddr+0x91 #2 in_ioctl+0x2fb sys/netinet/in.c:246 #3 ifioctl+0xe70 sys/net/if.c:2291 #4 sys_ioctl+0x5b9 #5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] #5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82657ea0) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:83 [inline] #1 syscall+0x400 sys/arch/amd64/amd64/trap.c:555 #2 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9538 6433K 8020K 78643K 12615 0 pcb 13 8K 9K 78643K 127 0 rtable 112 4K 5K 78643K 475 0 ifaddr 99 19K 19K 78643K 197 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1519 0 iov 0 0K 16K 78643K 146 0 mount 1 1K 1K 78643K 1 0 vnodes 1233 77K 78K 78643K 1825 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 6 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 139 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 605 0 sigio 0 0K 0K 78643K 16 0 proc 62 63K 83K 78643K 583 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 52 0 in_multi 112 5K 5K 78643K 168 0 ether_multi 1 0K 0K 78643K 6 0 mrt 0 0K 0K 78643K 1 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 271 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 137 120K 120K 78643K 3300 0 UVM aobj 30 4K 4K 78643K 32 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 50 0 NDP 15 0K 0K 78643K 40 0 temp 143 3011K 3078K 78643K 19381 0 kqueue 3 4K 14K 78643K 67 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 13 0 6 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 65 0 63 1 0 1 1 0 8 0 rtentry 112 85 0 42 2 0 2 2 0 8 0 unpcb 120 443 0 431 2 1 1 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 218 0 218 1 1 0 1 0 8 0 tcpcb 544 566 0 556 2 1 1 2 0 8 0 inpcb 280 1133 0 1120 3 1 2 2 0 8 1 nd6 48 12 0 9 1 0 1 1 0 8 0 pkpcb 40 7 0 7 2 1 1 1 0 8 1 ppxss 1128 10 0 10 4 4 0 1 0 8 0 pffrag 232 2 0 2 2 2 0 1 0 482 0 pffrnode 88 2 0 2 2 2 0 1 0 8 0 pffrent 40 47 0 47 2 2 0 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 62 0 34 1 0 1 1 0 8 0 pfstkey 112 62 0 34 1 0 1 1 0 8 0 pfstate 328 62 0 34 3 0 3 3 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 425 0 209 17 3 14 15 0 8 0 art_table 32 427 0 209 2 0 2 2 0 8 0 art_node 16 84 0 45 1 0 1 1 0 8 0 sysvmsgpl 40 66 0 31 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 135 0 125 1 0 1 1 0 8 0 shmpl 112 30 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2251 0 845 46 0 46 46 0 8 0 ffsino 272 2251 0 845 95 0 95 95 0 8 0 nchpl 144 3426 0 1820 61 0 61 61 0 8 0 uvmvnodes 72 2806 0 0 52 0 52 52 0 8 0 vnodes 208 2806 0 0 148 0 148 148 0 8 0 namei 1024 10890 0 10890 2 1 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vcpupl 1984 10 0 0 2 0 2 2 0 8 0 vmpool 560 12 0 2 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 10017 0 10017 10 9 1 7 0 8 1 plimitpl 152 90 0 82 1 0 1 1 0 8 0 sigapl 432 798 0 782 3 1 2 3 0 8 0 futexpl 56 12544 0 12544 2 1 1 1 0 8 1 knotepl 112 139 0 120 1 0 1 1 0 8 0 kqueuepl 104 128 0 126 1 0 1 1 0 8 0 pipepl 112 458 0 439 1 0 1 1 0 8 0 fdescpl 496 799 0 782 3 0 3 3 0 8 0 filepl 152 6926 0 6812 11 5 6 7 0 8 1 lockfpl 104 224 0 222 1 0 1 1 0 8 0 lockfspl 48 73 0 71 1 0 1 1 0 8 0 sessionpl 112 20 0 9 1 0 1 1 0 8 0 pgrppl 48 27 0 16 1 0 1 1 0 8 0 ucredpl 96 885 0 875 1 0 1 1 0 8 0 zombiepl 144 782 0 782 2 1 1 1 0 8 1 processpl 896 815 0 782 4 0 4 4 0 8 0 procpl 632 2395 0 2350 6 1 5 5 0 8 1 srpgc 64 2 0 2 1 1 0 1 0 8 0 sosppl 128 4 0 4 1 1 0 1 0 8 0 sockpl 384 1686 0 1659 10 6 4 9 0 8 1 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 179 0 0 22 0 22 22 0 8 0 mtagpl 80 38 0 0 1 0 1 1 0 8 0 mbufpl 256 357 0 0 19 0 19 19 0 8 0 bufpl 280 8779 0 1709 506 0 506 506 0 8 0 anonpl 16 95562 0 79969 92 27 65 78 0 125 2 amapchunkpl 152 5327 0 5186 19 12 7 13 0 158 1 amappl16 192 3846 0 2996 66 21 45 55 0 8 2 amappl15 184 190 0 183 1 0 1 1 0 8 0 amappl14 176 42 0 39 1 0 1 1 0 8 0 amappl12 160 74 0 72 2 1 1 1 0 8 0 amappl11 152 146 0 131 1 0 1 1 0 8 0 amappl10 144 285 0 277 1 0 1 1 0 8 0 amappl9 136 625 0 622 1 0 1 1 0 8 0 amappl8 128 140 0 115 1 0 1 1 0 8 0 amappl7 120 392 0 376 1 0 1 1 0 8 0 amappl6 112 141 0 136 1 0 1 1 0 8 0 amappl5 104 220 0 206 1 0 1 1 0 8 0 amappl4 96 998 0 965 1 0 1 1 0 8 0 amappl3 88 202 0 195 1 0 1 1 0 8 0 amappl2 80 5501 0 5416 3 1 2 3 0 8 0 amappl1 72 27762 0 27293 26 16 10 21 0 8 0 amappl 80 2677 0 2624 3 1 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 31 0 2 1 0 1 1 0 8 0 uaddrrnd 24 811 0 784 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 811 0 784 1 0 1 1 0 8 0 vmmpekpl 168 10272 0 10231 3 0 3 3 0 8 0 vmmpepl 168 106157 0 104001 157 61 96 119 0 357 1 vmsppl 368 810 0 784 3 0 3 3 0 8 0 pdppl 4096 1629 0 1578 8 1 7 7 0 8 0 pvpl 32 290360 0 271718 223 48 175 189 0 265 24 pmappl 232 810 0 784 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 183 0 9 6 0 6 6 0 8 0