uvm_fault(0xffffffff82610a88, 0xffff800000a7e000, 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(0xffffffff82610a88, 0xffff800000a7e000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff800023bb9120, count: 0 ddb{0}> trace memcpy() at memcpy+0x15 rtrequest(1,ffff800023bb9160,4,0,0) at rtrequest+0x85e sys/net/route.c:930 in6_update_ifa(ffff8000009ce000,ffff800023bb9460,0) at in6_update_ifa+0x1742 sys/netinet6/in6.c:810 in6_ioctl_change_ifaddr(8080691a,ffff800023bb9460,ffff8000009ce000) at in6_ioctl_change_ifaddr+0x40c sys/netinet6/in6.c:352 ifioctl(fffffd80663c1ca8,8080691a,ffff800023bb9460,ffff800020ad64f8) at ifioctl+0xe70 sys/net/if.c:2290 sys_ioctl(ffff800020ad64f8,ffff800023bb9578,ffff800023bb95c0) at sys_ioctl+0x498 syscall(ffff800023bb9640) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023bb9640) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9e426e2efd0, count: -8 ddb{0}> show registers rdi 0xffff800000a7dec0 rsi 0xffff800000a7e000 rbp 0xffff800023bb9020 rbx 0xffff800000a7df40 rdx 0xe8 rcx 0x5 rax 0xfffffffffffffec0 r8 0x70 r9 0x1 r10 0x88119ac9f6f85930 r11 0xffff800000a7de00 r12 0xffff800000a7de00 r13 0xe8 r14 0 r15 0xfffffd806776f548 rip 0xffffffff817c2125 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800023bb8fb8 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{0}> show proc PROC (syz-executor.0) pid=285400 stat=onproc flags process=0 proc=4000000 pri=69, usrpri=69, nice=20 forw=0xffffffffffffffff, list=0xffff800020ad7608,0xffff800020ad6c58 process=0xffff800020a9d6a0 user=0xffff800023bb4000, vmspace=0xfffffd807efff170 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 43451 279609 50419 0 2 0 syz-executor.0 *43451 285400 50419 0 7 0x4000000 syz-executor.0 85080 491732 38465 0 2 0 syz-executor.1 85080 511529 38465 0 7 0x4000000 syz-executor.1 85080 435350 38465 0 2 0x4000080 syz-executor.1 82861 477688 0 0 3 0x14200 bored sosplice 38465 363073 65455 0 3 0x82 nanosleep syz-executor.1 50419 161276 65455 0 3 0x82 nanosleep syz-executor.0 65455 24105 72258 0 3 0x82 thrsleep syz-fuzzer 65455 195559 72258 0 3 0x4000082 thrsleep syz-fuzzer 65455 114435 72258 0 3 0x4000082 thrsleep syz-fuzzer 65455 191305 72258 0 3 0x4000082 thrsleep syz-fuzzer 65455 502424 72258 0 3 0x4000082 thrsleep syz-fuzzer 65455 498308 72258 0 3 0x4000082 thrsleep syz-fuzzer 65455 424182 72258 0 3 0x4000082 kqread syz-fuzzer 65455 239693 72258 0 3 0x4000082 thrsleep syz-fuzzer 65455 84307 72258 0 3 0x4000082 thrsleep syz-fuzzer 65455 391651 72258 0 3 0x4000082 thrsleep syz-fuzzer 72258 305884 46 0 3 0x10008a pause ksh 46 492982 78504 0 3 0x92 select sshd 84012 164442 1 0 3 0x100083 ttyin getty 78504 36043 1 0 3 0x80 select sshd 2482 297537 97382 74 3 0x100092 bpf pflogd 97382 92787 1 0 3 0x80 netio pflogd 33090 367794 37242 73 3 0x100090 kqread syslogd 37242 467506 1 0 3 0x100082 netio syslogd 79726 363454 1 77 3 0x100090 poll dhclient 86194 336879 1 0 3 0x80 poll dhclient 78872 371888 0 0 2 0x14200 zerothread 68366 126621 0 0 3 0x14200 aiodoned aiodoned 2419 194645 0 0 3 0x14200 syncer update 43675 102498 0 0 3 0x14200 cleaner cleaner 69132 315801 0 0 3 0x14200 reaper reaper 76343 393642 0 0 3 0x14200 pgdaemon pagedaemon 19030 286475 0 0 3 0x14200 bored crynlk 32744 402446 0 0 3 0x14200 bored crypto 3089 162181 0 0 3 0x40014200 acpi0 acpi0 86566 326434 0 0 3 0x40014200 idle1 68548 156945 0 0 3 0x14200 bored softnet 59891 362989 0 0 3 0x14200 bored systqmp 32587 213480 0 0 3 0x14200 bored systq 26807 386674 0 0 3 0x40014200 bored softclock 1145 362100 0 0 3 0x40014200 idle0 98553 129655 0 0 3 0x14200 bored smr 1 100656 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 43451 (syz-executor.0) thread 0xffff800020ad64f8 (285400) exclusive rwlock netlock r = 0 (0xffffffff824b6788) #0 witness_lock+0x52e sys/kern/subr_witness.c:1164 #1 in6_ioctl_change_ifaddr+0x155 sys/netinet6/in6.c:295 #2 ifioctl+0xe70 sys/net/if.c:2290 #3 sys_ioctl+0x498 #4 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #4 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82617bb8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1164 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:93 [inline] #1 syscall+0x400 sys/arch/amd64/amd64/trap.c:570 #2 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9520 6612K 7840K 78643K 13265 0 pcb 17 8K 8K 78643K 404 0 rtable 103 4K 4K 78643K 246 0 ifaddr 65 13K 13K 78643K 90 0 counters 43 33K 34K 78643K 51 0 ioctlops 0 0K 4K 78643K 1489 0 iov 0 0K 16K 78643K 33 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1859 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 4 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 37 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 505 0 sigio 0 0K 0K 78643K 8 0 proc 61 63K 95K 78643K 461 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 45 0 in_multi 44 2K 2K 78643K 69 0 ether_multi 1 0K 0K 78643K 9 0 mrt 1 0K 0K 78643K 6 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 37 175K 175K 78643K 37 0 exec 0 0K 1K 78643K 222 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 121 36K 36K 78643K 2475 0 UVM aobj 17 2K 2K 78643K 19 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 1 0K 0K 78643K 43 0 NDP 10 0K 0K 78643K 18 0 temp 123 3018K 3082K 78643K 10632 0 kqueue 3 4K 10K 78643K 23 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 6 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 23 0 21 1 0 1 1 0 8 0 rtentry 112 48 0 7 2 0 2 2 0 8 0 unpcb 120 163 0 152 1 0 1 1 0 8 0 syncache 264 6 0 6 2 2 0 1 0 8 0 tcpqe 32 385 0 385 1 1 0 1 0 8 0 tcpcb 544 73 0 69 1 0 1 1 0 8 0 inpcb 280 945 0 931 4 1 3 3 0 8 2 rttmr 72 2 0 2 1 1 0 1 0 8 0 nd6 48 4 0 1 1 0 1 1 0 8 0 ppxss 1128 1 0 1 1 1 0 1 0 8 0 pffrag 232 2 0 2 1 1 0 1 0 482 0 pffrnode 88 2 0 2 1 1 0 1 0 8 0 pffrent 40 6 0 6 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 20 0 3 1 0 1 1 0 8 0 pfstkey 112 20 0 3 1 0 1 1 0 8 0 pfstate 328 20 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 256 212 0 15 14 0 14 14 0 8 0 art_table 32 213 0 15 2 0 2 2 0 8 0 art_node 16 46 0 9 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 7 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 35 0 25 1 0 1 1 0 8 0 shmpl 112 17 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1993 0 587 46 0 46 46 0 8 0 ffsino 272 1993 0 587 95 0 95 95 0 8 0 nchpl 144 2807 0 1189 61 0 61 61 0 8 0 uvmvnodes 72 2648 0 0 49 0 49 49 0 8 0 vnodes 208 2648 0 0 140 0 140 140 0 8 0 namei 1024 7955 0 7955 1 0 1 1 0 8 1 percpumem 16 36 0 4 1 0 1 1 0 8 0 vmpool 560 2 0 2 1 1 0 1 0 8 0 scsiplug 64 3 0 3 1 1 0 1 0 8 0 scxspl 192 8454 0 8454 10 7 3 7 0 8 3 plimitpl 152 19 0 11 1 0 1 1 0 8 0 sigapl 432 704 0 688 3 1 2 3 0 8 0 futexpl 56 6991 0 6991 1 0 1 1 0 8 1 knotepl 112 80 0 61 1 0 1 1 0 8 0 kqueuepl 104 62 0 60 1 0 1 1 0 8 0 pipelkpl 48 131 0 121 1 0 1 1 0 8 0 pipepl 120 262 0 243 1 0 1 1 0 8 0 fdescpl 496 705 0 688 3 0 3 3 0 8 0 filepl 152 4271 0 4159 6 1 5 6 0 8 0 lockfpl 104 148 0 146 1 0 1 1 0 8 0 lockfspl 48 50 0 48 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 22 0 11 1 0 1 1 0 8 0 ucredpl 96 216 0 207 1 0 1 1 0 8 0 zombiepl 144 688 0 688 1 0 1 1 0 8 1 processpl 960 721 0 688 5 0 5 5 0 8 0 procpl 624 1695 0 1650 4 0 4 4 0 8 0 sosppl 128 7 0 7 1 1 0 1 0 8 0 sockpl 400 1155 0 1128 6 1 5 5 0 8 2 mcl64k 65536 12 0 0 2 0 2 2 0 8 0 mcl16k 16384 3 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 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 8 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 173 0 0 21 0 21 21 0 8 0 mtagpl 80 10 0 0 1 0 1 1 0 8 0 mbufpl 256 192 0 0 12 0 12 12 0 8 0 bufpl 280 4896 0 194 336 0 336 336 0 8 0 anonpl 16 69468 0 52770 71 1 70 70 0 125 2 amapchunkpl 152 3548 0 3230 15 2 13 13 0 158 0 amappl16 192 3024 0 2110 48 0 48 48 0 8 2 amappl15 184 58 0 54 1 0 1 1 0 8 0 amappl14 176 267 0 263 1 0 1 1 0 8 0 amappl13 168 8 0 7 1 0 1 1 0 8 0 amappl12 160 3 0 3 1 1 0 1 0 8 0 amappl11 152 54 0 38 1 0 1 1 0 8 0 amappl10 144 14 0 8 1 0 1 1 0 8 0 amappl9 136 837 0 831 1 0 1 1 0 8 0 amappl8 128 357 0 333 1 0 1 1 0 8 0 amappl7 120 101 0 91 1 0 1 1 0 8 0 amappl6 112 56 0 51 1 0 1 1 0 8 0 amappl5 104 134 0 120 1 0 1 1 0 8 0 amappl4 96 725 0 692 2 1 1 2 0 8 0 amappl3 88 600 0 589 1 0 1 1 0 8 0 amappl2 80 4746 0 4661 3 1 2 3 0 8 0 amappl1 72 24276 0 23815 25 15 10 20 0 8 0 amappl 80 1939 0 1891 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 18 0 2 1 0 1 1 0 8 0 uaddrrnd 24 707 0 690 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 707 0 690 1 0 1 1 0 8 0 vmmpekpl 168 8776 0 8742 2 0 2 2 0 8 0 vmmpepl 168 91259 0 89061 123 19 104 117 0 357 8 vmsppl 368 706 0 690 2 0 2 2 0 8 0 pdppl 4096 1421 0 1380 6 0 6 6 0 8 0 pvpl 32 223088 0 203093 170 1 169 169 0 265 7 pmappl 232 706 0 690 2 1 1 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 175 0 4 5 0 5 5 0 8 0