uvm_fault(0xffffffff82632020, 0xffff800000a78000, 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(0xffffffff82632020, 0xffff800000a78000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff800023bd0eb0, count: 0 ddb{1}> trace memcpy() at memcpy+0x15 rtm_msg1(c,ffff800023bd0ec8) at rtm_msg1+0x1b2 sys/net/rtsock.c:1554 rtm_addr(c,ffff800000a77f00) at rtm_addr+0x9b sys/net/rtsock.c:1742 rt_ifa_add(ffff800000a77f00,240404,ffff800000a77f40,0) at rt_ifa_add+0x2a7 sys/net/route.c:1139 rt_ifa_addlocal(ffff800000a77f00) at rt_ifa_addlocal+0x16d sys/net/route.c:1237 in_ifinit(ffff8000009d5000,ffff800000a77f00,ffff800000a77f58,0) at in_ifinit+0x1cf sys/netinet/in.c:688 in_ioctl_change_ifaddr(8040691a,ffff800023bd1430,ffff8000009d5000,1) at in_ioctl_change_ifaddr+0x68c sys/netinet/in.c:519 in_ioctl(8040691a,ffff800023bd1430,ffff8000009d5000,1) at in_ioctl+0x2fb sys/netinet/in.c:246 ifioctl(fffffd8065fefc98,8040691a,ffff800023bd1430,ffff800020ac7608) at ifioctl+0xe70 sys/net/if.c:2289 soo_ioctl(fffffd806fcea0b8,8040691a,ffff800023bd1430,ffff800020ac7608) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff800020ac7608,ffff800023bd1548,ffff800023bd1590) at sys_ioctl+0x4a5 syscall(ffff800023bd1610) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023bd1610) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8c50c62bda0, count: -13 ddb{1}> show registers rdi 0xfffffd806f32f098 rsi 0xffff800000a78000 rbp 0xffff800023bd0e40 rbx 0 rdx 0xa0 rcx 0x5 rax 0x7d806e8b7098 r8 0x2 r9 0x1 r10 0xe923ed7c7359ed55 r11 0xfffffd806f32f020 r12 0xa0 r13 0xa0 r14 0xffff800000a77f88 r15 0xfffffd806f32f000 rip 0xffffffff8103ff85 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800023bd0d78 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{1}> show proc PROC (syz-executor.0) pid=405095 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=76, nice=20 forw=0xffffffffffffffff, list=0xffff800020ac6eb8,0xffffffff826521d0 process=0xffff800020a93730 user=0xffff800023bcc000, vmspace=0xfffffd806e9b65c8 estcpu=26, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 70246 95988 97336 0 3 0x80 nanosleep syz-executor.1 70246 486084 97336 0 3 0x4000080 fsleep syz-executor.1 93427 12669 28452 0 7 0 syz-executor.0 93427 125823 28452 0 3 0x4000080 netio syz-executor.0 93427 260178 28452 0 3 0x4000080 netio syz-executor.0 93427 288162 28452 0 2 0x4000000 syz-executor.0 *93427 405095 28452 0 7 0x4000000 syz-executor.0 60304 506916 0 0 3 0x14200 bored sosplice 38315 81166 1 0 3 0x100083 ttyin getty 97336 200115 12064 0 3 0x82 nanosleep syz-executor.1 28452 378949 12064 0 3 0x82 nanosleep syz-executor.0 12064 83613 69735 0 3 0x82 thrsleep syz-fuzzer 12064 12915 69735 0 3 0x4000082 nanosleep syz-fuzzer 12064 166344 69735 0 3 0x4000082 thrsleep syz-fuzzer 12064 163413 69735 0 3 0x4000082 thrsleep syz-fuzzer 12064 177477 69735 0 3 0x4000082 thrsleep syz-fuzzer 12064 500599 69735 0 3 0x4000082 thrsleep syz-fuzzer 12064 51632 69735 0 3 0x4000082 thrsleep syz-fuzzer 12064 326814 69735 0 3 0x4000082 kqread syz-fuzzer 12064 410953 69735 0 3 0x4000082 thrsleep syz-fuzzer 12064 37928 69735 0 3 0x4000082 thrsleep syz-fuzzer 12064 315032 69735 0 3 0x4000082 thrsleep syz-fuzzer 69735 317839 70800 0 3 0x10008a pause ksh 70800 274227 67558 0 3 0x92 select sshd 67558 437945 1 0 3 0x80 select sshd 25645 466038 82734 74 3 0x100092 bpf pflogd 82734 191793 1 0 3 0x80 netio pflogd 31464 63579 46425 73 3 0x100090 kqread syslogd 46425 247086 1 0 3 0x100082 netio syslogd 87258 87849 1 77 3 0x100090 poll dhclient 74264 394424 1 0 3 0x80 poll dhclient 93026 426792 0 0 3 0x14200 bored smr 24055 324251 0 0 3 0x14200 pgzero zerothread 64948 308690 0 0 3 0x14200 aiodoned aiodoned 3261 13102 0 0 3 0x14200 syncer update 57945 39523 0 0 3 0x14200 cleaner cleaner 87688 303127 0 0 3 0x14200 reaper reaper 53203 70861 0 0 3 0x14200 pgdaemon pagedaemon 75143 98042 0 0 3 0x14200 bored crynlk 3942 220828 0 0 3 0x14200 bored crypto 37027 173718 0 0 3 0x40014200 acpi0 acpi0 48971 148313 0 0 3 0x40014200 idle1 8636 331275 0 0 3 0x14200 bored softnet 71335 453920 0 0 3 0x14200 bored systqmp 76593 50344 0 0 3 0x14200 bored systq 298 518567 0 0 3 0x40014200 bored softclock 20597 263857 0 0 3 0x40014200 idle0 1 279686 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 93427 (syz-executor.0) thread 0xffff800020ac7608 (405095) exclusive rwlock netlock r = 0 (0xffffffff82526378) #0 witness_lock+0x4c5 sys/kern/subr_witness.c:1164 #1 in_ioctl_change_ifaddr+0x91 #2 in_ioctl+0x2fb sys/netinet/in.c:246 #3 ifioctl+0xe70 sys/net/if.c:2289 #4 soo_ioctl+0x27c sys/kern/sys_socket.c:138 #5 sys_ioctl+0x4a5 #6 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #6 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #7 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82676570) #0 witness_lock+0x4c5 sys/kern/subr_witness.c:1164 #1 soo_ioctl+0x26a sys/kern/sys_socket.c:138 #2 sys_ioctl+0x4a5 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #4 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9535 6430K 6686K 78643K 10984 0 pcb 13 8K 8K 78643K 69 0 rtable 111 3K 3K 78643K 254 0 ifaddr 92 18K 18K 78643K 112 0 counters 43 33K 34K 78643K 49 0 ioctlops 0 0K 4K 78643K 1479 0 iov 0 0K 12K 78643K 20 0 mount 1 1K 1K 78643K 1 0 vnodes 1217 77K 77K 78643K 1337 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 0K 78643K 24 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 232 0 proc 61 63K 83K 78643K 467 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 20 0 in_multi 80 3K 3K 78643K 120 0 ether_multi 1 0K 0K 78643K 15 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 55 254K 254K 78643K 55 0 exec 0 0K 1K 78643K 227 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 116 54K 54K 78643K 1671 0 UVM aobj 22 4K 4K 78643K 22 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 14 0K 0K 78643K 21 0 temp 101 3037K 3101K 78643K 5022 0 kqueue 3 4K 8K 78643K 5 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 29 0 27 1 0 1 1 0 8 0 rtentry 112 52 0 5 2 0 2 2 0 8 0 unpcb 120 125 0 113 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 45 0 45 1 1 0 1 0 8 0 tcpcb 544 96 0 92 1 0 1 1 0 8 0 inpcb 280 635 0 624 2 0 2 2 0 8 1 nd6 48 8 0 1 1 0 1 1 0 8 0 pffrag 232 1 0 1 1 1 0 1 0 482 0 pffrnode 88 1 0 1 1 1 0 1 0 8 0 pffrent 40 2 0 2 1 1 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 39 0 9 1 0 1 1 0 8 0 pfstkey 112 39 0 9 1 0 1 1 0 8 0 pfstate 328 39 0 9 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 256 222 0 17 14 1 13 13 0 8 0 art_table 32 224 0 17 2 0 2 2 0 8 0 art_node 16 51 0 8 1 0 1 1 0 8 0 semapl 112 22 0 12 1 0 1 1 0 8 0 shmpl 112 20 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1713 0 310 46 0 46 46 0 8 0 ffsino 272 1713 0 310 95 0 95 95 0 8 0 nchpl 144 2193 0 577 61 0 61 61 0 8 0 uvmvnodes 72 1838 0 0 34 0 34 34 0 8 0 vnodes 208 1838 0 0 97 0 97 97 0 8 0 namei 1024 5810 0 5810 1 0 1 1 0 8 1 percpumem 16 35 0 3 1 0 1 1 0 8 0 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 560 4 0 2 1 0 1 1 0 8 0 scxspl 192 6546 0 6546 8 7 1 7 0 8 1 plimitpl 152 27 0 19 1 0 1 1 0 8 0 sigapl 424 451 0 418 4 0 4 4 0 8 0 futexpl 56 3842 0 3841 1 0 1 1 0 8 0 knotepl 112 55 0 36 1 0 1 1 0 8 0 kqueuepl 144 343 0 338 1 0 1 1 0 8 0 pipelkpl 48 104 0 94 1 0 1 1 0 8 0 pipepl 120 208 0 189 1 0 1 1 0 8 0 fdescpl 496 433 0 416 3 0 3 3 0 8 0 filepl 152 2882 0 2772 5 0 5 5 0 8 0 lockfpl 104 52 0 51 1 0 1 1 0 8 0 lockfspl 48 14 0 13 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 19 0 8 1 0 1 1 0 8 0 ucredpl 96 170 0 160 1 0 1 1 0 8 0 zombiepl 144 418 0 418 1 0 1 1 0 8 1 processpl 984 451 0 418 5 0 5 5 0 8 0 procpl 624 906 0 858 4 0 4 4 0 8 0 sosppl 128 26 0 26 1 0 1 1 0 8 1 sockpl 400 789 0 764 4 1 3 4 0 8 0 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 157 0 0 19 0 19 19 0 8 0 mtagpl 80 16 0 0 1 0 1 1 0 8 0 mbufpl 256 174 0 0 11 0 11 11 0 8 0 bufpl 280 4368 0 177 300 0 300 300 0 8 0 anonpl 16 50459 0 36865 64 8 56 63 0 124 0 amapchunkpl 152 2225 0 2077 11 5 6 11 0 158 0 amappl16 192 1660 0 935 37 0 37 37 0 8 0 amappl15 184 1 0 1 1 1 0 1 0 8 0 amappl14 176 10 0 9 3 2 1 1 0 8 0 amappl13 168 25 0 24 1 0 1 1 0 8 0 amappl12 160 124 0 118 1 0 1 1 0 8 0 amappl11 152 83 0 63 2 1 1 2 0 8 0 amappl10 144 22 0 18 1 0 1 1 0 8 0 amappl9 136 477 0 472 1 0 1 1 0 8 0 amappl8 128 378 0 362 1 0 1 1 0 8 0 amappl7 120 120 0 109 1 0 1 1 0 8 0 amappl6 112 26 0 22 1 0 1 1 0 8 0 amappl5 104 448 0 428 1 0 1 1 0 8 0 amappl4 96 505 0 473 2 1 1 2 0 8 0 amappl3 88 107 0 102 1 0 1 1 0 8 0 amappl2 80 2544 0 2465 3 1 2 3 0 8 0 amappl1 72 19023 0 18549 25 15 10 20 0 8 0 amappl 80 1157 0 1104 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 21 0 0 1 0 1 1 0 8 0 uaddrrnd 24 437 0 418 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 437 0 418 1 0 1 1 0 8 0 vmmpekpl 168 7298 0 7268 2 0 2 2 0 8 0 vmmpepl 168 58974 0 56976 108 20 88 103 0 357 1 vmsppl 368 436 0 418 2 0 2 2 0 8 0 pdppl 4096 882 0 838 6 0 6 6 0 8 0 pvpl 32 185900 0 169039 156 16 140 156 0 265 3 pmappl 232 436 0 418 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 169 0 5 5 0 5 5 0 8 0