uvm_fault(0xffffffff825c1af0, 0xffff800000a53000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xffffffff825c1af0, 0xffff800000a53000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff800023bd5650, count: 0 ddb{1}> trace memcpy() at memcpy+0x15 rtm_msg1(c,ffff800023bd5668) at rtm_msg1+0x1b2 sys/net/rtsock.c:1554 rtm_addr(c,ffff800000a52f00) at rtm_addr+0x9b sys/net/rtsock.c:1742 rt_ifa_add(ffff800000a52f00,240404,ffff800000a52f40,0) at rt_ifa_add+0x2a7 sys/net/route.c:1139 rt_ifa_addlocal(ffff800000a52f00) at rt_ifa_addlocal+0x16d sys/net/route.c:1237 in_ifinit(ffff800000a1d800,ffff800000a52f00,ffff800000a52f58,0) at in_ifinit+0x1cf sys/netinet/in.c:688 in_ioctl_change_ifaddr(8040691a,ffff800023bd5b60,ffff800000a1d800,1) at in_ioctl_change_ifaddr+0x68c sys/netinet/in.c:519 in_ioctl(8040691a,ffff800023bd5b60,ffff800000a1d800,1) at in_ioctl+0x2fb sys/netinet/in.c:246 ifioctl(fffffd806b07e610,8040691a,ffff800023bd5b60,ffff800020ae7658) at ifioctl+0xe70 sys/net/if.c:2291 sys_ioctl(ffff800020ae7658,ffff800023bd5c78,ffff800023bd5cc0) at sys_ioctl+0x498 syscall(ffff800023bd5d40) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800023bd5d40) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x26f65066100, count: -12 ddb{1}> show registers rdi 0xfffffd806d602898 rsi 0xffff800000a53000 rbp 0xffff800023bd55e0 rbx 0 rdx 0xa0 rcx 0x5 rax 0x7d806cbaf898 r8 0x2 r9 0x1 r10 0x4458331a364029c2 r11 0xfffffd806d602820 r12 0xa0 r13 0xa0 r14 0xffff800000a52f88 r15 0xfffffd806d602800 rip 0xffffffff8113c805 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800023bd5518 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{1}> show proc PROC (syz-executor.1) pid=235885 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ae6a00,0xffffffff82629b28 process=0xffff800020af4380 user=0xffff800023bd0000, vmspace=0xfffffd807efff8a0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 75708 471850 14011 0 7 0 syz-executor.1 75708 231852 14011 0 2 0x4000000 syz-executor.1 *75708 235885 14011 0 7 0x4000000 syz-executor.1 47972 183275 78741 0 3 0x80 nanosleep syz-executor.0 47972 8156 78741 0 3 0x4000080 netio syz-executor.0 47972 224507 78741 0 3 0x4000080 fsleep syz-executor.0 56582 283245 0 0 3 0x14200 bored sosplice 14011 372573 46622 0 3 0x82 nanosleep syz-executor.1 78741 281034 46622 0 3 0x82 nanosleep syz-executor.0 46622 208557 12552 0 3 0x82 thrsleep syz-fuzzer 46622 35362 12552 0 3 0x4000082 nanosleep syz-fuzzer 46622 220229 12552 0 3 0x4000082 nanosleep syz-fuzzer 46622 213639 12552 0 3 0x4000082 thrsleep syz-fuzzer 46622 255421 12552 0 3 0x4000082 thrsleep syz-fuzzer 46622 419627 12552 0 3 0x4000082 kqread syz-fuzzer 46622 365559 12552 0 3 0x4000082 thrsleep syz-fuzzer 46622 316675 12552 0 3 0x4000082 thrsleep syz-fuzzer 46622 165781 12552 0 3 0x4000082 thrsleep syz-fuzzer 46622 58427 12552 0 3 0x4000082 thrsleep syz-fuzzer 12552 339791 10554 0 3 0x10008a pause ksh 10554 411222 38314 0 3 0x92 select sshd 61647 414659 1 0 3 0x100083 ttyin getty 38314 32479 1 0 3 0x80 select sshd 28390 415732 89852 74 3 0x100092 bpf pflogd 89852 98539 1 0 3 0x80 netio pflogd 20853 389377 25623 73 3 0x100090 kqread syslogd 25623 180297 1 0 3 0x100082 netio syslogd 53457 466246 1 77 3 0x100090 poll dhclient 79443 485863 1 0 3 0x80 poll dhclient 53605 360307 0 0 3 0x14200 pgzero zerothread 41842 121362 0 0 3 0x14200 aiodoned aiodoned 29352 400095 0 0 3 0x14200 syncer update 16307 327093 0 0 3 0x14200 cleaner cleaner 48630 219810 0 0 3 0x14200 reaper reaper 28936 381896 0 0 3 0x14200 pgdaemon pagedaemon 58149 71711 0 0 3 0x14200 bored crynlk 30997 168759 0 0 3 0x14200 bored crypto 52034 394898 0 0 3 0x40014200 acpi0 acpi0 4401 196579 0 0 3 0x40014200 idle1 84200 436998 0 0 2 0x14200 softnet 24000 350689 0 0 3 0x14200 bored systqmp 6124 75776 0 0 3 0x14200 bored systq 36219 474152 0 0 3 0x40014200 bored softclock 44549 326854 0 0 3 0x40014200 idle0 34131 371517 0 0 3 0x14200 bored smr 1 502267 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 75708 (syz-executor.1) thread 0xffff800020ae7658 (235885) exclusive rwlock netlock r = 0 (0xffffffff824ac9f8) #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+0x498 #5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] #5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff826509a0) #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:570 #2 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9495 6407K 7320K 78643K 11132 0 pcb 13 10K 12K 78643K 51 0 rtable 105 4K 5K 78643K 299 0 ifaddr 63 13K 14K 78643K 108 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1481 0 iov 0 0K 16K 78643K 32 0 mount 1 1K 1K 78643K 1 0 vnodes 1225 77K 77K 78643K 1363 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 32 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 189 0 sigio 0 0K 0K 78643K 10 0 proc 62 63K 83K 78643K 458 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 22 0 in_multi 51 2K 2K 78643K 71 0 ether_multi 1 0K 0K 78643K 3 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 228 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 118 38K 38K 78643K 1586 0 UVM aobj 20 2K 2K 78643K 20 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 15 0 NDP 9 0K 0K 78643K 21 0 temp 100 3013K 3080K 78643K 7381 0 kqueue 3 4K 12K 78643K 17 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 8 0 1 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 45 0 43 1 0 1 1 0 8 0 rtentry 112 56 0 15 2 0 2 2 0 8 0 unpcb 120 181 0 169 1 0 1 1 0 8 0 syncache 264 8 0 8 2 1 1 1 0 8 1 tcpqe 32 292 0 292 2 2 0 1 0 8 0 tcpcb 544 534 0 530 13 9 4 13 0 8 3 inpcb 280 718 0 709 9 5 4 9 0 8 3 nd6 48 6 0 4 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 ppxss 1128 6 0 6 1 0 1 1 0 8 1 pffrag 232 2 0 2 1 0 1 1 0 482 1 pffrnode 88 2 0 2 1 0 1 1 0 8 1 pffrent 40 4 0 4 1 0 1 1 0 8 1 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 36 0 5 1 0 1 1 0 8 0 pfstkey 112 36 0 5 1 0 1 1 0 8 0 pfstate 328 36 0 3 3 0 3 3 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 262 0 69 15 1 14 15 0 8 1 art_table 32 263 0 69 2 0 2 2 0 8 0 art_node 16 55 0 16 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 30 0 20 1 0 1 1 0 8 0 shmpl 112 18 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1669 0 262 46 0 46 46 0 8 0 ffsino 272 1669 0 262 95 0 95 95 0 8 0 nchpl 144 2158 0 539 61 0 61 61 0 8 0 uvmvnodes 72 1830 0 0 34 0 34 34 0 8 0 vnodes 208 1830 0 0 97 0 97 97 0 8 0 namei 1024 5972 0 5972 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 560 6 0 4 1 0 1 1 0 8 0 scxspl 192 5924 0 5924 7 2 5 6 0 8 5 plimitpl 152 23 0 15 1 0 1 1 0 8 0 sigapl 432 388 0 372 3 1 2 3 0 8 0 futexpl 56 4282 0 4281 1 0 1 1 0 8 0 knotepl 112 71 0 52 1 0 1 1 0 8 0 kqueuepl 104 215 0 213 4 3 1 4 0 8 0 pipelkpl 48 129 0 119 1 0 1 1 0 8 0 pipepl 120 258 0 239 1 0 1 1 0 8 0 fdescpl 496 389 0 372 3 0 3 3 0 8 0 filepl 152 3098 0 2993 14 7 7 14 0 8 2 lockfpl 104 65 0 64 1 0 1 1 0 8 0 lockfspl 48 28 0 27 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 24 0 13 1 0 1 1 0 8 0 ucredpl 96 206 0 197 1 0 1 1 0 8 0 zombiepl 144 372 0 372 1 0 1 1 0 8 1 processpl 896 405 0 372 4 0 4 4 0 8 0 procpl 632 810 0 764 5 0 5 5 0 8 0 sosppl 128 2 0 2 1 1 0 1 0 8 0 sockpl 384 951 0 928 14 9 5 14 0 8 1 mcl64k 65536 10 0 0 2 0 2 2 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 164 0 0 20 0 20 20 0 8 0 mtagpl 80 13 0 0 1 0 1 1 0 8 0 mbufpl 256 181 0 0 11 0 11 11 0 8 0 bufpl 280 6540 0 1340 372 0 372 372 0 8 0 anonpl 16 52639 0 37212 80 1 79 79 0 125 16 amapchunkpl 152 2070 0 1931 7 1 6 7 0 158 0 amappl16 192 1840 0 1000 54 4 50 54 0 8 7 amappl15 184 59 0 56 1 0 1 1 0 8 0 amappl14 176 29 0 26 1 0 1 1 0 8 0 amappl12 160 86 0 82 2 1 1 1 0 8 0 amappl11 152 133 0 116 1 0 1 1 0 8 0 amappl10 144 25 0 16 1 0 1 1 0 8 0 amappl9 136 605 0 602 1 0 1 1 0 8 0 amappl8 128 119 0 97 1 0 1 1 0 8 0 amappl7 120 104 0 92 1 0 1 1 0 8 0 amappl6 112 133 0 126 1 0 1 1 0 8 0 amappl5 104 207 0 191 1 0 1 1 0 8 0 amappl4 96 573 0 542 1 0 1 1 0 8 0 amappl3 88 201 0 192 1 0 1 1 0 8 0 amappl2 80 2208 0 2125 3 1 2 3 0 8 0 amappl1 72 18647 0 18166 26 16 10 21 0 8 0 amappl 80 1056 0 1009 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 19 0 0 1 0 1 1 0 8 0 uaddrrnd 24 395 0 376 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 395 0 376 1 0 1 1 0 8 0 vmmpekpl 168 6952 0 6914 3 1 2 2 0 8 0 vmmpepl 168 55113 0 52963 111 7 104 108 0 357 10 vmsppl 368 394 0 376 2 0 2 2 0 8 0 pdppl 4096 797 0 754 6 0 6 6 0 8 0 pvpl 32 170568 0 151818 188 0 188 188 0 265 36 pmappl 232 394 0 376 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 176 0 13 5 0 5 5 0 8 0