uvm_fault(0xffffffff82586340, 0xffff800000a71000, 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(0xffffffff82586340, 0xffff800000a71000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff800021ba8bd0, count: 0 ddb{0}> trace memcpy() at memcpy+0x15 rtm_msg1(c,ffff800021ba8be8) at rtm_msg1+0x1b2 sys/net/rtsock.c:1554 rtm_addr(c,ffff800000a70f00) at rtm_addr+0x9b sys/net/rtsock.c:1742 rt_ifa_add(ffff800000a70f00,240404,ffff800000a70f40,0) at rt_ifa_add+0x2a7 sys/net/route.c:1139 rt_ifa_addlocal(ffff800000a70f00) at rt_ifa_addlocal+0x16d sys/net/route.c:1237 in_ifinit(ffff800000a23000,ffff800000a70f00,ffff800000a70f58,0) at in_ifinit+0x1cf sys/netinet/in.c:688 in_ioctl_change_ifaddr(8040691a,ffff800021ba9150,ffff800000a23000,1) at in_ioctl_change_ifaddr+0x68c sys/netinet/in.c:519 in_ioctl(8040691a,ffff800021ba9150,ffff800000a23000,1) at in_ioctl+0x2fb sys/netinet/in.c:246 ifioctl(fffffd8066acb018,8040691a,ffff800021ba9150,ffff800020a9d398) at ifioctl+0xe70 sys/net/if.c:2290 soo_ioctl(fffffd8066ff2e60,8040691a,ffff800021ba9150,ffff800020a9d398) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff800020a9d398,ffff800021ba9268,ffff800021ba92b0) at sys_ioctl+0x4a5 syscall(ffff800021ba9330) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021ba9330) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe70bf4be9f0, count: -13 ddb{0}> show registers rdi 0xfffffd806d575b98 rsi 0xffff800000a71000 rbp 0xffff800021ba8b60 rbx 0 rdx 0xa0 rcx 0x5 rax 0x7d806cb04b98 r8 0x2 r9 0x1 r10 0x6f6e01563d47bf4f r11 0xfffffd806d575b20 r12 0xa0 r13 0xa0 r14 0xffff800000a70f88 r15 0xfffffd806d575b00 rip 0xffffffff817c5215 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800021ba8a98 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{0}> show proc PROC (syz-executor.1) pid=353280 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020a9c9d8,0xffffffff82676a50 process=0xffff800020ae6f28 user=0xffff800021ba4000, vmspace=0xfffffd806e99f458 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 90900 390547 43698 0 2 0 syz-executor.1 *90900 353280 43698 0 7 0x4000000 syz-executor.1 9355 423731 84283 0 2 0 syz-executor.0 9355 130888 84283 0 3 0x4000080 kqread syz-executor.0 38829 343488 0 0 3 0x14200 bored sosplice 43698 187813 55137 0 2 0x482 syz-executor.1 84283 140066 55137 0 7 0x482 syz-executor.0 55137 425930 21545 0 3 0x82 thrsleep syz-fuzzer 55137 86744 21545 0 3 0x4000082 nanosleep syz-fuzzer 55137 408787 21545 0 3 0x4000082 thrsleep syz-fuzzer 55137 83748 21545 0 3 0x4000082 thrsleep syz-fuzzer 55137 286441 21545 0 3 0x4000082 thrsleep syz-fuzzer 55137 444829 21545 0 3 0x4000082 thrsleep syz-fuzzer 55137 276181 21545 0 3 0x4000082 thrsleep syz-fuzzer 55137 103876 21545 0 3 0x4000082 kqread syz-fuzzer 55137 269616 21545 0 3 0x4000082 thrsleep syz-fuzzer 55137 111738 21545 0 3 0x4000082 thrsleep syz-fuzzer 21545 169026 46504 0 3 0x10008a pause ksh 46504 205094 71118 0 3 0x92 select sshd 71476 238093 1 0 3 0x100083 ttyin getty 71118 207304 1 0 3 0x80 select sshd 5475 450550 28918 74 3 0x100092 bpf pflogd 28918 364291 1 0 3 0x80 netio pflogd 437 381431 65579 73 3 0x100090 kqread syslogd 65579 475224 1 0 3 0x100082 netio syslogd 96338 366027 1 77 3 0x100090 poll dhclient 41807 3669 1 0 3 0x80 poll dhclient 76806 86294 0 0 3 0x14200 bored smr 50858 263748 0 0 2 0x14200 zerothread 57494 165782 0 0 3 0x14200 aiodoned aiodoned 2522 518271 0 0 3 0x14200 syncer update 85992 262939 0 0 3 0x14200 cleaner cleaner 47558 379996 0 0 3 0x14200 reaper reaper 19668 69901 0 0 3 0x14200 pgdaemon pagedaemon 29216 344827 0 0 3 0x14200 bored crynlk 68968 431893 0 0 3 0x14200 bored crypto 34543 441745 0 0 3 0x40014200 acpi0 acpi0 55775 189366 0 0 3 0x40014200 idle1 84784 152545 0 0 3 0x14200 bored softnet 28897 298078 0 0 3 0x14200 bored systqmp 38962 337610 0 0 3 0x14200 bored systq 79782 491650 0 0 2 0x40014200 softclock 50614 513095 0 0 3 0x40014200 idle0 1 270967 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 90900 (syz-executor.1) thread 0xffff800020a9d398 (353280) exclusive rwlock netlock r = 0 (0xffffffff8251ef28) #0 witness_lock+0x52e 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:2290 #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 (0xffffffff82678298) #0 witness_lock+0x52e 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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9507 6408K 7250K 78643K 10907 0 pcb 13 8K 8K 78643K 45 0 rtable 99 3K 3K 78643K 305 0 ifaddr 59 12K 13K 78643K 98 0 counters 43 33K 34K 78643K 55 0 ioctlops 0 0K 4K 78643K 1479 0 iov 0 0K 12K 78643K 23 0 mount 1 1K 1K 78643K 1 0 vnodes 1230 77K 77K 78643K 1356 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 43 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 144 0 sigio 0 0K 0K 78643K 6 0 proc 61 63K 95K 78643K 444 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 32 0 in_multi 38 2K 2K 78643K 74 0 ether_multi 1 0K 0K 78643K 2 0 mrt 0 0K 0K 78643K 2 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 109 493K 493K 78643K 109 0 exec 0 0K 1K 78643K 215 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 122 39K 55K 78643K 1429 0 UVM aobj 29 2K 2K 78643K 29 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 35 0 NDP 10 0K 0K 78643K 21 0 temp 96 3016K 3080K 78643K 3472 0 kqueue 3 4K 10K 78643K 12 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 11 0 3 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 27 0 25 1 0 1 1 0 8 0 rtentry 112 67 0 26 2 0 2 2 0 8 0 unpcb 120 157 0 147 1 0 1 1 0 8 0 syncache 264 6 0 6 2 1 1 1 0 8 1 tcpqe 32 373 0 373 1 0 1 1 0 8 1 tcpcb 544 147 0 140 1 0 1 1 0 8 0 inpcb 280 380 0 366 2 0 2 2 0 8 1 rttmr 72 1 0 1 1 0 1 1 0 8 1 nd6 48 9 0 7 1 0 1 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 24 0 0 1 0 1 1 0 8 0 pfstkey 112 24 0 0 1 0 1 1 0 8 0 pfstate 328 24 0 0 2 0 2 2 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 256 281 0 106 13 0 13 13 0 8 2 art_table 32 283 0 106 2 0 2 2 0 8 0 art_node 16 66 0 27 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 4 1 0 1 1 0 8 0 semupl 112 3 0 3 1 0 1 1 0 8 1 semapl 112 38 0 28 1 0 1 1 0 8 0 shmpl 112 27 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1641 0 234 46 0 46 46 0 8 0 ffsino 272 1641 0 234 95 0 95 95 0 8 0 nchpl 144 2022 0 406 61 0 61 61 0 8 0 uvmvnodes 72 1751 0 0 32 0 32 32 0 8 0 vnodes 208 1751 0 0 93 0 93 93 0 8 0 namei 1024 5917 0 5917 2 1 1 1 0 8 1 percpumem 16 38 0 6 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 6134 0 6134 8 1 7 7 0 8 7 plimitpl 152 27 0 19 1 0 1 1 0 8 0 sigapl 424 360 0 327 4 0 4 4 0 8 0 futexpl 56 3401 0 3401 1 0 1 1 0 8 1 knotepl 112 64 0 45 1 0 1 1 0 8 0 kqueuepl 144 21 0 18 1 0 1 1 0 8 0 pipelkpl 48 152 0 142 1 0 1 1 0 8 0 pipepl 120 304 0 285 2 0 2 2 0 8 1 fdescpl 496 344 0 327 3 0 3 3 0 8 0 filepl 152 2765 0 2653 8 1 7 7 0 8 2 lockfpl 104 66 0 65 1 0 1 1 0 8 0 lockfspl 48 19 0 18 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 615 0 606 1 0 1 1 0 8 0 zombiepl 144 327 0 327 2 1 1 1 0 8 1 processpl 960 360 0 327 6 1 5 5 0 8 0 procpl 624 656 0 612 4 0 4 4 0 8 0 sockpl 400 566 0 542 5 1 4 4 0 8 1 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 5 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 181 0 0 22 0 22 22 0 8 0 mtagpl 80 18 0 0 1 0 1 1 0 8 0 mbufpl 256 196 0 0 12 0 12 12 0 8 0 bufpl 280 4394 0 172 302 0 302 302 0 8 0 anonpl 16 48251 0 30932 72 1 71 71 0 124 0 amapchunkpl 152 1664 0 1524 7 0 7 7 0 158 0 amappl16 192 1617 0 669 49 0 49 49 0 8 1 amappl15 184 1 0 1 1 1 0 1 0 8 0 amappl14 176 58 0 53 2 1 1 1 0 8 0 amappl13 168 26 0 25 1 0 1 1 0 8 0 amappl12 160 15 0 10 1 0 1 1 0 8 0 amappl11 152 129 0 109 1 0 1 1 0 8 0 amappl10 144 21 0 15 1 0 1 1 0 8 0 amappl9 136 387 0 384 1 0 1 1 0 8 0 amappl8 128 330 0 302 2 0 2 2 0 8 0 amappl7 120 119 0 108 1 0 1 1 0 8 0 amappl6 112 88 0 81 1 0 1 1 0 8 0 amappl5 104 197 0 178 1 0 1 1 0 8 0 amappl4 96 559 0 528 1 0 1 1 0 8 0 amappl3 88 111 0 106 1 0 1 1 0 8 0 amappl2 80 1833 0 1756 3 1 2 3 0 8 0 amappl1 72 17838 0 17378 26 15 11 20 0 8 0 amappl 80 908 0 861 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 28 0 0 1 0 1 1 0 8 0 uaddrrnd 24 348 0 329 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 348 0 329 1 0 1 1 0 8 0 vmmpekpl 168 6804 0 6767 2 0 2 2 0 8 0 vmmpepl 168 49579 0 47363 124 10 114 115 0 357 17 vmsppl 368 347 0 329 2 0 2 2 0 8 0 pdppl 4096 703 0 660 7 1 6 6 0 8 0 pvpl 32 161271 0 140696 172 1 171 171 0 265 4 pmappl 232 347 0 329 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 176 0 6 5 0 5 5 0 8 0