uvm_fault(0xffffffff825ff988, 0xffff800000a78000, 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(0xffffffff825ff988, 0xffff800000a78000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff800020ab7a10, count: 0 ddb{0}> trace memcpy() at memcpy+0x15 sysctl_iflist(0,ffff800020ab7a68) at sysctl_iflist+0x255 sys/net/rtsock.c:1981 sysctl_rtable(ffff800020ab7b2c,3,1a289a073000,ffff800020ab7b58,0,0) at sysctl_rtable+0x196 sys/net/rtsock.c:2078 sys_sysctl(ffff800020a778b8,ffff800020ab7bc0,ffff800020ab7c10) at sys_sysctl+0x20e sys/kern/kern_sysctl.c:251 syscall(ffff800020ab7c90) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800020ab7c90) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc2390, count: -6 ddb{0}> show registers rdi 0xffff800000a2f8e8 rsi 0xffff800000a78000 rbp 0xffff800020ab7910 rbx 0xe8 rdx 0xe8 rcx 0x5 rax 0xfffffffffffb78e8 r8 0x110 r9 0x5 r10 0xd85b2a2f41dd1914 r11 0xffff800000a2f828 r12 0xffff800000a77f40 r13 0xe8 r14 0xffff800000a2f828 r15 0x6 rip 0xffffffff818adc65 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800020ab7858 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{0}> show proc PROC (dhclient) pid=365716 stat=onproc flags process=100010 proc=0 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020a76ed8,0xffff800020ad9658 process=0xffff800020aa2e10 user=0xffff800020ab2000, vmspace=0xfffffd807efff5c0 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 21454 451282 30262 0 2 0 syz-executor.1 21454 338759 30262 0 2 0x4000000 syz-executor.1 32326 106781 58262 0 2 0 syz-executor.0 32326 164223 58262 0 3 0x4000080 fsleep syz-executor.0 33927 14271 0 0 3 0x14200 bored sosplice 58262 54594 23297 0 2 0x482 syz-executor.0 30262 249205 23297 0 3 0x82 nanosleep syz-executor.1 23297 158258 17419 0 3 0x82 thrsleep syz-fuzzer 23297 135841 17419 0 2 0x4000482 syz-fuzzer 23297 436110 17419 0 3 0x4000082 thrsleep syz-fuzzer 23297 189917 17419 0 3 0x4000082 thrsleep syz-fuzzer 23297 238873 17419 0 3 0x4000082 thrsleep syz-fuzzer 23297 468887 17419 0 3 0x4000082 thrsleep syz-fuzzer 23297 91207 17419 0 3 0x4000082 kqread syz-fuzzer 23297 448590 17419 0 3 0x4000082 thrsleep syz-fuzzer 23297 498865 17419 0 3 0x4000082 thrsleep syz-fuzzer 23297 14104 17419 0 3 0x4000082 thrsleep syz-fuzzer 17419 240469 77850 0 3 0x10008a pause ksh 77850 128007 57734 0 3 0x92 select sshd 22640 204501 1 0 3 0x100083 ttyin getty 57734 187730 1 0 3 0x80 select sshd 34809 386006 33676 74 3 0x100092 bpf pflogd 33676 485444 1 0 3 0x80 netio pflogd 30907 348178 65818 73 7 0x100090 syslogd 65818 295503 1 0 3 0x100082 netio syslogd *92603 365716 1 77 7 0x100010 dhclient 61259 381763 1 0 3 0x80 poll dhclient 66045 275273 0 0 2 0x14200 zerothread 73083 332506 0 0 3 0x14200 aiodoned aiodoned 25926 250156 0 0 3 0x14200 syncer update 78665 195493 0 0 3 0x14200 cleaner cleaner 88782 356719 0 0 3 0x14200 reaper reaper 83668 27064 0 0 3 0x14200 pgdaemon pagedaemon 72509 123613 0 0 3 0x14200 bored crynlk 34056 116257 0 0 3 0x14200 bored crypto 90788 243610 0 0 3 0x40014200 acpi0 acpi0 91085 463633 0 0 3 0x40014200 idle1 13598 132707 0 0 3 0x14200 bored softnet 32684 48452 0 0 3 0x14200 bored systqmp 99922 185031 0 0 3 0x14200 bored systq 68528 191523 0 0 3 0x40014200 bored softclock 60614 258235 0 0 3 0x40014200 idle0 7517 460676 0 0 3 0x14200 bored smr 1 25044 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 92603 (dhclient) thread 0xffff800020a778b8 (365716) exclusive rwlock netlock r = 0 (0xffffffff824fb798) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 sysctl_rtable+0x187 sys/net/rtsock.c:2077 #2 sys_sysctl+0x20e sys/kern/kern_sysctl.c:251 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #4 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff824ca650) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:309 #2 sys_sysctl+0x1ac sys/kern/kern_sysctl.c:235 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #4 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8263ac80) #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9541 6426K 7720K 78643K 11976 0 pcb 13 8K 9K 78643K 106 0 rtable 111 4K 4K 78643K 735 0 ifaddr 91 17K 17K 78643K 167 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1492 0 iov 0 0K 16K 78643K 59 0 mount 1 1K 1K 78643K 1 0 vnodes 1231 77K 78K 78643K 1602 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 12 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 78 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 406 0 sigio 0 0K 0K 78643K 10 0 proc 62 63K 83K 78643K 528 0 subproc 32 2K 2K 78643K 59 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 42 0 in_multi 65 3K 3K 78643K 109 0 ether_multi 1 0K 0K 78643K 11 0 mrt 0 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 61 281K 281K 78643K 61 0 exec 0 0K 1K 78643K 234 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 127 71K 71K 78643K 2348 0 UVM aobj 45 4K 4K 78643K 46 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 70 0 NDP 15 0K 0K 78643K 35 0 temp 144 3019K 3086K 78643K 25458 0 kqueue 3 4K 16K 78643K 41 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 9 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 482 0 478 1 0 1 1 0 8 0 rtentry 112 56 0 11 2 0 2 2 0 8 0 unpcb 120 265 0 255 3 1 2 2 0 8 1 syncache 264 6 0 6 3 3 0 1 0 8 0 tcpqe 32 311 0 311 2 2 0 1 0 8 0 tcpcb 544 206 0 201 4 1 3 3 0 8 2 inpcb 280 565 0 555 3 0 3 3 0 8 2 nd6 48 6 0 2 1 0 1 1 0 8 0 ppxss 1128 7 0 7 2 1 1 1 0 8 1 pffrag 232 3 0 3 2 1 1 1 0 482 1 pffrnode 88 3 0 3 2 1 1 1 0 8 1 pffrent 40 53 0 53 2 1 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 48 0 10 1 0 1 1 0 8 0 pfstkey 112 48 0 10 2 0 2 2 0 8 0 pfstate 328 48 0 10 4 0 4 4 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 256 256 0 43 14 0 14 14 0 8 0 art_table 32 257 0 43 2 0 2 2 0 8 0 art_node 16 55 0 14 1 0 1 1 0 8 0 sysvmsgpl 40 34 0 19 1 0 1 1 0 8 0 semapl 112 76 0 66 1 0 1 1 0 8 0 shmpl 112 44 0 1 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2015 0 610 46 0 46 46 0 8 0 ffsino 272 2015 0 610 95 0 95 95 0 8 0 nchpl 144 2792 0 1199 61 1 60 61 0 8 0 uvmvnodes 72 2371 0 0 44 0 44 44 0 8 0 vnodes 208 2371 0 0 125 0 125 125 0 8 0 namei 1024 8073 0 8073 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vcpupl 1984 5 0 0 1 0 1 1 0 8 0 vmpool 560 7 0 2 2 1 1 1 0 8 0 scxspl 192 9520 0 9520 7 6 1 6 0 8 1 plimitpl 152 45 0 37 1 0 1 1 0 8 0 sigapl 432 602 0 586 3 1 2 3 0 8 0 futexpl 56 8081 0 8080 1 0 1 1 0 8 0 knotepl 112 113 0 94 1 0 1 1 0 8 0 kqueuepl 104 146 0 144 1 0 1 1 0 8 0 pipelkpl 48 162 0 152 1 0 1 1 0 8 0 pipepl 120 324 0 305 2 1 1 2 0 8 0 fdescpl 496 603 0 586 3 0 3 3 0 8 0 filepl 152 4501 0 4396 7 0 7 7 0 8 2 lockfpl 104 117 0 116 1 0 1 1 0 8 0 lockfspl 48 43 0 42 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 96 302 0 293 1 0 1 1 0 8 0 zombiepl 144 586 0 586 1 0 1 1 0 8 1 processpl 896 619 0 586 4 0 4 4 0 8 0 procpl 632 1501 0 1457 5 0 5 5 0 8 1 srpgc 64 2 0 2 1 1 0 1 0 8 0 sosppl 128 19 0 19 1 1 0 1 0 8 0 sockpl 384 1328 0 1304 10 1 9 9 0 8 6 mcl64k 65536 10 0 0 2 0 2 2 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 183 0 0 22 0 22 22 0 8 0 mtagpl 80 23 0 0 1 0 1 1 0 8 0 mbufpl 256 239 0 0 14 0 14 14 0 8 0 bufpl 280 8480 0 1410 506 0 506 506 0 8 0 anonpl 16 73496 0 57536 81 15 66 80 0 125 1 amapchunkpl 152 3538 0 3389 15 7 8 14 0 158 0 amappl16 192 2686 0 1823 56 11 45 55 0 8 1 amappl15 184 433 0 425 1 0 1 1 0 8 0 amappl14 176 33 0 32 1 0 1 1 0 8 0 amappl12 160 16 0 14 2 1 1 1 0 8 0 amappl11 152 56 0 41 1 0 1 1 0 8 0 amappl10 144 161 0 155 1 0 1 1 0 8 0 amappl9 136 611 0 608 1 0 1 1 0 8 0 amappl8 128 130 0 106 1 0 1 1 0 8 0 amappl7 120 262 0 248 1 0 1 1 0 8 0 amappl6 112 66 0 60 1 0 1 1 0 8 0 amappl5 104 147 0 133 1 0 1 1 0 8 0 amappl4 96 856 0 825 1 0 1 1 0 8 0 amappl3 88 125 0 118 1 0 1 1 0 8 0 amappl2 80 4067 0 3981 3 1 2 3 0 8 0 amappl1 72 23505 0 23033 26 16 10 21 0 8 0 amappl 80 1779 0 1728 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 45 0 1 1 0 1 1 0 8 0 uaddrrnd 24 610 0 588 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 610 0 588 1 0 1 1 0 8 0 vmmpekpl 168 8622 0 8587 2 0 2 2 0 8 0 vmmpepl 168 81200 0 79044 126 23 103 121 0 357 9 vmsppl 368 609 0 588 2 0 2 2 0 8 0 pdppl 4096 1227 0 1181 6 0 6 6 0 8 0 pvpl 32 230289 0 211045 190 19 171 190 0 265 15 pmappl 232 609 0 588 4 2 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 171 0 4 5 0 5 5 0 8 0