uvm_fault(0xffffffff82567298, 0xffff800000a44000, 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(0xffffffff82567298, 0xffff800000a44000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff800020a97240, count: 0 ddb{1}> trace memcpy() at memcpy+0x15 rtm_msg1(c,ffff800020a97258) at rtm_msg1+0x1b2 sys/net/rtsock.c:1554 rtm_addr(c,ffff800000a43f00) at rtm_addr+0x9b sys/net/rtsock.c:1742 rt_ifa_add(ffff800000a43f00,240404,ffff800000a43f40,0) at rt_ifa_add+0x2db sys/net/route.c:1142 rt_ifa_addlocal(ffff800000a43f00) at rt_ifa_addlocal+0x16d sys/net/route.c:1242 in_ifinit(ffff800000a14800,ffff800000a43f00,ffff800000a43f58,0) at in_ifinit+0x1cf sys/netinet/in.c:688 in_ioctl_change_ifaddr(8040691a,ffff800020a97750,ffff800000a14800,1) at in_ioctl_change_ifaddr+0x68c sys/netinet/in.c:519 in_ioctl(8040691a,ffff800020a97750,ffff800000a14800,1) at in_ioctl+0x2fb sys/netinet/in.c:246 ifioctl(fffffd806f66d600,8040691a,ffff800020a97750,ffff800020ac18c8) at ifioctl+0xe70 sys/net/if.c:2291 sys_ioctl(ffff800020ac18c8,ffff800020a97868,ffff800020a978b0) at sys_ioctl+0x5b9 syscall(ffff800020a97930) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800020a97930) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xddfb79cb300, count: -12 ddb{1}> show registers rdi 0xfffffd8062325098 rsi 0xffff800000a44000 rbp 0xffff800020a971d0 rbx 0 rdx 0xa0 rcx 0x5 rax 0x7d80618e1098 r8 0x2 r9 0x1 r10 0x83ad81da34989316 r11 0xfffffd8062325020 r12 0xa0 r13 0xa0 r14 0xffff800000a43f88 r15 0xfffffd8062325000 rip 0xffffffff81ce56b5 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800020a97108 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{1}> show proc PROC (syz-executor.1) pid=112591 stat=onproc flags process=0 proc=4000000 pri=74, usrpri=74, nice=20 forw=0xffffffffffffffff, list=0xffff800020ac0508,0xffff800020ac1170 process=0xffff800020aed8d0 user=0xffff800020a92000, vmspace=0xfffffd807f007450 estcpu=36, cpticks=4, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 23668 143937 23053 0 2 0 syz-executor.1 *23668 112591 23053 0 7 0x4000000 syz-executor.1 23668 304395 23053 0 3 0x4000080 fsleep syz-executor.1 8208 305164 0 0 3 0x14200 bored sosplice 23053 214308 4340 0 3 0x82 nanosleep syz-executor.1 4340 356965 76509 0 7 0x2 syz-fuzzer 4340 387410 76509 0 3 0x4000082 nanosleep syz-fuzzer 4340 51051 76509 0 3 0x4000082 thrsleep syz-fuzzer 4340 500602 76509 0 3 0x4000082 kqread syz-fuzzer 4340 473446 76509 0 3 0x4000082 thrsleep syz-fuzzer 4340 196503 76509 0 3 0x4000082 thrsleep syz-fuzzer 4340 106991 76509 0 3 0x4000082 thrsleep syz-fuzzer 4340 510154 76509 0 3 0x4000082 thrsleep syz-fuzzer 4340 273193 76509 0 3 0x4000082 thrsleep syz-fuzzer 4340 374551 76509 0 3 0x4000082 thrsleep syz-fuzzer 76509 203081 15860 0 3 0x10008a pause ksh 15860 134963 47290 0 3 0x92 select sshd 16859 358726 1 0 3 0x100083 ttyin getty 47290 180355 1 0 3 0x80 select sshd 17005 146725 82137 74 3 0x100092 bpf pflogd 82137 18416 1 0 3 0x80 netio pflogd 72616 181194 18142 73 3 0x100090 kqread syslogd 18142 126325 1 0 3 0x100082 netio syslogd 65994 136891 1 77 3 0x100090 poll dhclient 63351 175113 1 0 3 0x80 poll dhclient 25951 466237 0 0 2 0x14200 zerothread 82518 376314 0 0 3 0x14200 aiodoned aiodoned 4121 92345 0 0 3 0x14200 syncer update 92137 507498 0 0 3 0x14200 cleaner cleaner 96418 22795 0 0 3 0x14200 reaper reaper 3447 213428 0 0 3 0x14200 pgdaemon pagedaemon 29795 301158 0 0 3 0x14200 bored crynlk 66486 446136 0 0 3 0x14200 bored crypto 57174 260389 0 0 3 0x40014200 acpi0 acpi0 92387 521820 0 0 3 0x40014200 idle1 68761 396702 0 0 2 0x14200 softnet 31167 48685 0 0 3 0x14200 bored systqmp 22326 470453 0 0 3 0x14200 bored systq 89644 162336 0 0 3 0x40014200 bored softclock 12185 325035 0 0 3 0x40014200 idle0 62047 180481 0 0 3 0x14200 bored smr 1 94879 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 23668 (syz-executor.1) thread 0xffff800020ac18c8 (112591) exclusive rwlock netlock r = 0 (0xffffffff824c5038) #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 (0xffffffff82659a40) #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{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9486 6410K 6864K 78643K 10901 0 pcb 19 9K 10K 78643K 245 0 rtable 90 3K 4K 78643K 266 0 ifaddr 54 12K 13K 78643K 82 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1475 0 iov 0 0K 16K 78643K 40 0 mount 1 1K 1K 78643K 1 0 vnodes 1217 76K 77K 78643K 1326 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 0K 78643K 40 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 4 9K 25K 78643K 152 0 sigio 0 0K 0K 78643K 2 0 proc 60 63K 83K 78643K 443 0 subproc 16 1K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 6 0K 0K 78643K 109 0 in_multi 54 2K 3K 78643K 70 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 48 212K 212K 78643K 48 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 115 30K 39K 78643K 1456 0 UVM aobj 58 2K 2K 78643K 58 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 2K 78643K 106 0 NDP 7 0K 0K 78643K 15 0 temp 89 3030K 3099K 78643K 11472 0 kqueue 0 0K 0K 78643K 9 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 11 0 6 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 54 0 19 2 0 2 2 0 8 0 unpcb 120 93 0 83 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 7 0 7 1 1 0 1 0 8 0 tcpcb 544 294 0 286 2 0 2 2 0 8 1 inpcb 280 643 0 624 3 0 3 3 0 8 1 nd6 48 4 0 2 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 ppxss 1128 3 0 3 1 0 1 1 0 8 1 pffrag 232 3 0 3 1 0 1 1 0 482 1 pffrnode 88 3 0 3 1 0 1 1 0 8 1 pffrent 40 92 0 92 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 23 0 3 1 0 1 1 0 8 0 pfstkey 112 23 0 3 1 0 1 1 0 8 0 pfstate 328 23 0 3 2 0 2 2 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 256 233 0 53 14 0 14 14 0 8 2 art_table 32 234 0 53 2 0 2 2 0 8 0 art_node 16 53 0 21 1 0 1 1 0 8 0 sysvmsgpl 40 46 0 15 1 0 1 1 0 8 0 semupl 112 4 0 4 1 0 1 1 0 8 1 semapl 112 36 0 26 1 0 1 1 0 8 0 shmpl 112 56 0 0 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1610 0 210 46 0 46 46 0 8 0 ffsino 272 1610 0 210 95 0 95 95 0 8 0 nchpl 144 2033 0 435 61 0 61 61 0 8 0 uvmvnodes 72 1732 0 0 32 0 32 32 0 8 0 vnodes 208 1732 0 0 92 0 92 92 0 8 0 namei 1024 5472 0 5472 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 4 0 2 1 0 1 1 0 8 0 scxspl 192 5749 0 5749 8 2 6 7 0 8 6 plimitpl 152 23 0 16 1 0 1 1 0 8 0 sigapl 432 351 0 337 3 1 2 3 0 8 0 futexpl 56 4035 0 4034 1 0 1 1 0 8 0 knotepl 112 72 0 59 1 0 1 1 0 8 0 kqueuepl 104 43 0 41 1 0 1 1 0 8 0 pipepl 160 202 0 189 2 0 2 2 0 8 1 fdescpl 488 352 0 337 3 0 3 3 0 8 0 filepl 152 2602 0 2513 6 0 6 6 0 8 2 lockfpl 104 48 0 47 1 0 1 1 0 8 0 lockfspl 48 17 0 16 1 0 1 1 0 8 0 sessionpl 112 18 0 8 1 0 1 1 0 8 0 pgrppl 48 20 0 10 1 0 1 1 0 8 0 ucredpl 96 169 0 160 1 0 1 1 0 8 0 zombiepl 144 337 0 337 1 0 1 1 0 8 1 processpl 904 368 0 337 4 0 4 4 0 8 0 procpl 632 673 0 631 5 0 5 5 0 8 1 srpgc 64 2 0 2 1 0 1 1 0 8 1 sockpl 384 781 0 750 6 1 5 6 0 8 1 mcl64k 65536 11 0 0 2 0 2 2 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 13 0 0 2 0 2 2 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 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 149 0 0 18 0 18 18 0 8 0 mtagpl 80 9 0 0 1 0 1 1 0 8 0 mbufpl 256 274 0 0 17 0 17 17 0 8 0 bufpl 280 6615 0 1340 377 0 377 377 0 8 0 anonpl 16 51975 0 36919 85 1 84 84 0 125 6 amapchunkpl 152 1872 0 1732 11 1 10 10 0 158 3 amappl16 192 1719 0 675 53 0 53 53 0 8 0 amappl15 184 61 0 57 1 0 1 1 0 8 0 amappl14 176 32 0 28 1 0 1 1 0 8 0 amappl12 160 5 0 4 1 0 1 1 0 8 0 amappl11 152 122 0 105 1 0 1 1 0 8 0 amappl10 144 15 0 12 1 0 1 1 0 8 0 amappl9 136 604 0 602 1 0 1 1 0 8 0 amappl8 128 129 0 107 1 0 1 1 0 8 0 amappl7 120 105 0 92 1 0 1 1 0 8 0 amappl6 112 129 0 119 1 0 1 1 0 8 0 amappl5 104 140 0 125 1 0 1 1 0 8 0 amappl4 96 606 0 579 1 0 1 1 0 8 0 amappl3 88 147 0 138 1 0 1 1 0 8 0 amappl2 80 1916 0 1845 3 1 2 3 0 8 0 amappl1 72 17731 0 17281 25 15 10 20 0 8 0 amappl 80 928 0 882 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 57 0 0 1 0 1 1 0 8 0 uaddrrnd 24 356 0 339 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 356 0 339 1 0 1 1 0 8 0 vmmpekpl 168 6801 0 6769 2 0 2 2 0 8 0 vmmpepl 168 50702 0 48533 136 8 128 131 0 357 29 vmsppl 368 355 0 339 2 0 2 2 0 8 0 pdppl 4096 719 0 680 6 0 6 6 0 8 0 pvpl 32 168568 0 150337 198 0 198 198 0 265 17 pmappl 232 355 0 339 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 172 0 3 5 0 5 5 0 8 0