login: uvm_fault(0xffffffff825b3920, 0xffff800000a53000, 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(0xffffffff825b3920, 0xffff800000a53000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff800020aaf720, count: 0 ddb{1}> trace memcpy() at memcpy+0x15 sysctl_iflist(0,ffff800020aaf778) at sysctl_iflist+0x255 sys/net/rtsock.c:1981 sysctl_rtable(ffff800020aaf83c,3,101e4c50f360,ffff800020aaf868,0,0) at sysctl_rtable+0x196 sys/net/rtsock.c:2078 sys_sysctl(ffff800020a6f8b8,ffff800020aaf8d0,ffff800020aaf920) at sys_sysctl+0x20e sys/kern/kern_sysctl.c:250 syscall(ffff800020aaf9a0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800020aaf9a0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdbd40, count: -6 ddb{1}> show registers rdi 0xffff800000a17ee8 rsi 0xffff800000a53000 rbp 0xffff800020aaf620 rbx 0xe8 rdx 0xe8 rcx 0x5 rax 0xfffffffffffc4ee8 r8 0xffff800020aaf778 r9 0x5 r10 0x71e95239e107bc99 r11 0xffff800000a17e28 r12 0xffff800000a52f40 r13 0xe8 r14 0xffff800000a17e28 r15 0x6 rip 0xffffffff81e7e065 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800020aaf568 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{1}> show proc PROC (dhclient) pid=190718 stat=onproc flags process=100010 proc=0 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020a6f640,0xffff800020ad0a00 process=0xffff800020a9a390 user=0xffff800020aaa000, vmspace=0xfffffd807f0072e0 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 53812 395246 35573 0 7 0 syz-executor.0 53812 364077 35573 0 3 0x4000080 tunread syz-executor.0 96072 358001 0 0 3 0x14200 bored sosplice 70893 476298 22221 0 3 0x82 nanosleep syz-executor.1 35573 476613 22221 0 3 0x82 nanosleep syz-executor.0 22221 369857 79965 0 3 0x82 thrsleep syz-fuzzer 22221 9232 79965 0 3 0x4000082 nanosleep syz-fuzzer 22221 15966 79965 0 3 0x4000082 thrsleep syz-fuzzer 22221 169465 79965 0 3 0x4000082 thrsleep syz-fuzzer 22221 440479 79965 0 3 0x4000082 thrsleep syz-fuzzer 22221 337721 79965 0 3 0x4000082 thrsleep syz-fuzzer 22221 308838 79965 0 3 0x4000082 kqread syz-fuzzer 22221 145048 79965 0 3 0x4000082 thrsleep syz-fuzzer 22221 174210 79965 0 3 0x4000082 thrsleep syz-fuzzer 22221 67440 79965 0 3 0x4000082 thrsleep syz-fuzzer 22221 411239 79965 0 3 0x4000082 thrsleep syz-fuzzer 79965 219223 22739 0 3 0x10008a pause ksh 22739 258866 97352 0 3 0x92 select sshd 5478 144121 1 0 3 0x100083 ttyin getty 97352 493621 1 0 3 0x80 select sshd 51725 117567 10530 74 3 0x100092 bpf pflogd 10530 34042 1 0 3 0x80 netio pflogd 69464 400470 87223 73 3 0x100090 kqread syslogd 87223 342270 1 0 3 0x100082 netio syslogd *92396 190718 1 77 7 0x100010 dhclient 25295 106134 1 0 3 0x80 poll dhclient 62917 423439 0 0 3 0x14200 pgzero zerothread 10459 425904 0 0 3 0x14200 aiodoned aiodoned 13978 225112 0 0 3 0x14200 syncer update 60177 505907 0 0 3 0x14200 cleaner cleaner 55129 108605 0 0 3 0x14200 reaper reaper 24758 475286 0 0 3 0x14200 pgdaemon pagedaemon 68816 1157 0 0 3 0x14200 bored crynlk 1275 71961 0 0 3 0x14200 bored crypto 65390 206257 0 0 3 0x40014200 acpi0 acpi0 1782 265049 0 0 3 0x40014200 idle1 82435 447358 0 0 3 0x14200 bored softnet 23221 181585 0 0 3 0x14200 bored systqmp 71221 289987 0 0 3 0x14200 bored systq 4269 2547 0 0 3 0x40014200 bored softclock 45975 323454 0 0 3 0x40014200 idle0 26931 204372 0 0 3 0x14200 bored smr 1 71838 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 92396 (dhclient) thread 0xffff800020a6f8b8 (190718) exclusive rwlock netlock r = 0 (0xffffffff82445438) #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:250 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 #4 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff8246dab0) #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:234 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 #4 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8265b4e8) #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 9484 6403K 6789K 78643K 10864 0 pcb 13 9K 9K 78643K 57 0 rtable 109 4K 4K 78643K 238 0 ifaddr 56 12K 12K 78643K 77 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1473 0 iov 0 0K 16K 78643K 20 0 mount 1 1K 1K 78643K 1 0 vnodes 1220 77K 77K 78643K 1310 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 437 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 5 13K 25K 78643K 257 0 sigio 0 0K 0K 78643K 6 0 proc 60 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 12 0 in_multi 40 2K 2K 78643K 41 0 ether_multi 1 0K 0K 78643K 1 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 42 185K 185K 78643K 42 0 exec 0 0K 1K 78643K 238 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 128 22K 23K 78643K 1649 0 UVM aobj 17 2K 2K 78643K 17 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 16 0 NDP 8 0K 0K 78643K 15 0 temp 122 3022K 3089K 78643K 6393 0 kqueue 0 0K 0K 78643K 1 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 6 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 25 0 23 1 0 1 1 0 8 0 rtentry 112 46 0 2 2 0 2 2 0 8 0 unpcb 120 617 0 607 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 166 0 166 1 1 0 1 0 8 0 tcpcb 544 462 0 458 2 0 2 2 0 8 1 inpcb 280 989 0 982 3 0 3 3 0 8 2 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 4 0 3 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 17 0 3 1 0 1 1 0 8 0 pfstkey 112 17 0 3 1 0 1 1 0 8 0 pfstate 328 17 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 0 14 0 14 14 0 8 0 art_table 32 213 0 0 2 0 2 2 0 8 0 art_node 16 45 0 5 1 0 1 1 0 8 0 sysvmsgpl 40 51 0 28 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 435 0 425 1 0 1 1 0 8 0 shmpl 112 15 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1707 0 300 46 0 46 46 0 8 0 ffsino 272 1707 0 300 94 0 94 94 0 8 0 nchpl 144 2594 0 969 61 0 61 61 0 8 0 uvmvnodes 72 1816 0 0 34 0 34 34 0 8 0 vnodes 208 1816 0 0 96 0 96 96 0 8 0 namei 1024 6701 0 6701 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scxspl 192 6404 0 6404 8 6 2 7 0 8 2 plimitpl 152 17 0 9 1 0 1 1 0 8 0 sigapl 432 456 0 441 3 1 2 3 0 8 0 futexpl 56 7886 0 7886 1 0 1 1 0 8 1 knotepl 112 72 0 53 1 0 1 1 0 8 0 kqueuepl 104 32 0 30 1 0 1 1 0 8 0 pipepl 160 196 0 177 2 0 2 2 0 8 1 fdescpl 488 457 0 441 3 0 3 3 0 8 0 filepl 152 4251 0 4150 6 0 6 6 0 8 2 lockfpl 104 67 0 66 1 0 1 1 0 8 0 lockfspl 48 24 0 23 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 23 0 12 1 0 1 1 0 8 0 ucredpl 96 192 0 183 1 0 1 1 0 8 0 zombiepl 144 441 0 440 1 0 1 1 0 8 0 processpl 896 473 0 440 4 0 4 4 0 8 0 procpl 632 874 0 830 5 0 5 5 0 8 1 sockpl 384 1639 0 1620 6 0 6 6 0 8 4 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 164 0 0 20 0 20 20 0 8 0 mtagpl 80 8 0 0 1 0 1 1 0 8 0 mbufpl 256 206 0 0 13 1 12 13 0 8 0 bufpl 280 6651 0 1342 380 0 380 380 0 8 0 anonpl 16 56741 0 36710 83 1 82 82 0 125 1 amapchunkpl 152 2111 0 1947 9 2 7 9 0 158 0 amappl16 192 2211 0 1126 56 0 56 56 0 8 1 amappl15 184 66 0 61 1 0 1 1 0 8 0 amappl14 176 28 0 26 1 0 1 1 0 8 0 amappl13 168 1 0 1 1 1 0 1 0 8 0 amappl12 160 10 0 7 1 0 1 1 0 8 0 amappl11 152 54 0 38 1 0 1 1 0 8 0 amappl10 144 150 0 143 1 0 1 1 0 8 0 amappl9 136 602 0 598 1 0 1 1 0 8 0 amappl8 128 127 0 99 1 0 1 1 0 8 0 amappl7 120 242 0 230 1 0 1 1 0 8 0 amappl6 112 65 0 55 1 0 1 1 0 8 0 amappl5 104 130 0 116 1 0 1 1 0 8 0 amappl4 96 712 0 679 1 0 1 1 0 8 0 amappl3 88 119 0 112 1 0 1 1 0 8 0 amappl2 80 2846 0 2769 3 1 2 3 0 8 0 amappl1 72 19462 0 19010 27 17 10 21 0 8 0 amappl 80 1120 0 1071 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 16 0 0 1 0 1 1 0 8 0 uaddrrnd 24 457 0 441 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 457 0 441 1 0 1 1 0 8 0 vmmpekpl 168 6946 0 6914 2 0 2 2 0 8 0 vmmpepl 168 62446 0 60169 142 17 125 132 0 357 22 vmsppl 368 456 0 441 2 0 2 2 0 8 0 pdppl 4096 921 0 882 7 1 6 6 0 8 0 pvpl 32 181954 0 158723 195 0 195 195 0 265 7 pmappl 232 456 0 441 2 1 1 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 166 0 5 5 0 5 5 0 8 0