login: uvm_fault(0xffffffff82535db8, 0xffff800000a6c000, 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(0xffffffff82535db8, 0xffff800000a6c000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff800020aa77f0, count: 0 ddb{0}> trace memcpy() at memcpy+0x15 sysctl_iflist(0,ffff800020aa7848) at sysctl_iflist+0x255 sys/net/rtsock.c:1981 sysctl_rtable(ffff800020aa790c,3,127eca428010,ffff800020aa7938,0,0) at sysctl_rtable+0x196 sys/net/rtsock.c:2078 sys_sysctl(ffff800020a6d388,ffff800020aa79a0,ffff800020aa79f0) at sys_sysctl+0x20e sys/kern/kern_sysctl.c:252 syscall(ffff800020aa7a70) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020aa7a70) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbc950, count: -6 ddb{0}> show registers rdi 0xffff800000a4d8e8 rsi 0xffff800000a6c000 rbp 0xffff800020aa76f0 rbx 0xe8 rdx 0xe8 rcx 0x5 rax 0xfffffffffffe18e8 r8 0x110 r9 0x5 r10 0x67ffe12290f4f2a0 r11 0xffff800000a4d828 r12 0xffff800000a6bf40 r13 0xe8 r14 0xffff800000a4d828 r15 0x6 rip 0xffffffff81f4c905 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800020aa7638 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{0}> show proc PROC (dhclient) pid=25647 stat=onproc flags process=100010 proc=0 pri=24, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020a6cea8,0xffff800020adf880 process=0xffff800020a80010 user=0xffff800020aa2000, vmspace=0xfffffd807efff450 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 87132 251928 93361 0 7 0 syz-executor.1 87132 343715 93361 0 3 0x4000080 fsleep syz-executor.1 93361 464854 13491 0 2 0x482 syz-executor.1 8720 335568 13491 0 3 0x82 nanosleep syz-executor.0 13491 100065 79799 0 3 0x82 thrsleep syz-fuzzer 13491 460718 79799 0 3 0x4000082 thrsleep syz-fuzzer 13491 444200 79799 0 3 0x4000082 kqread syz-fuzzer 13491 340791 79799 0 3 0x4000082 thrsleep syz-fuzzer 13491 377729 79799 0 3 0x4000082 thrsleep syz-fuzzer 13491 487760 79799 0 3 0x4000082 thrsleep syz-fuzzer 13491 464806 79799 0 3 0x4000082 thrsleep syz-fuzzer 13491 195327 79799 0 3 0x4000082 thrsleep syz-fuzzer 13491 450781 79799 0 3 0x4000082 thrsleep syz-fuzzer 13491 347878 79799 0 3 0x4000082 thrsleep syz-fuzzer 79799 372306 57399 0 3 0x10008a pause ksh 57399 35285 99787 0 3 0x92 select sshd 56757 454075 1 0 3 0x100083 ttyin getty 99787 460781 1 0 3 0x80 select sshd 13022 138317 65983 74 3 0x100092 bpf pflogd 65983 224483 1 0 3 0x80 netio pflogd 22106 151956 46902 73 3 0x100090 kqread syslogd 46902 406769 1 0 3 0x100082 netio syslogd *91644 25647 1 77 7 0x100010 dhclient 58956 33362 1 0 3 0x80 poll dhclient 36503 337385 0 0 3 0x14200 bored smr 82556 336410 0 0 3 0x14200 pgzero zerothread 15408 80710 0 0 3 0x14200 aiodoned aiodoned 69133 209578 0 0 3 0x14200 syncer update 24767 435888 0 0 3 0x14200 cleaner cleaner 89020 22043 0 0 3 0x14200 reaper reaper 83014 200712 0 0 3 0x14200 pgdaemon pagedaemon 10566 358086 0 0 3 0x14200 bored crynlk 8847 140703 0 0 3 0x14200 bored crypto 82902 119011 0 0 3 0x40014200 acpi0 acpi0 90841 131900 0 0 3 0x40014200 idle1 5485 498627 0 0 3 0x14200 bored softnet 9020 128760 0 0 3 0x14200 bored systqmp 80351 176981 0 0 3 0x14200 bored systq 8336 522626 0 0 3 0x40014200 bored softclock 75074 177095 0 0 3 0x40014200 idle0 1 101833 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 91644 (dhclient) thread 0xffff800020a6d388 (25647) exclusive rwlock netlock r = 0 (0xffffffff824a5b48) #0 witness_lock+0x52e sys/kern/subr_witness.c:1164 #1 sysctl_rtable+0x187 sys/net/rtsock.c:2077 #2 sys_sysctl+0x20e sys/kern/kern_sysctl.c:252 #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 exclusive rwlock sysctllk r = 0 (0xffffffff824b0520) #0 witness_lock+0x52e sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 sys_sysctl+0x1ac sys/kern/kern_sysctl.c:236 #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 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82661a60) #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 9483 6403K 6791K 78643K 10780 0 pcb 13 8K 8K 78643K 59 0 rtable 100 3K 3K 78643K 240 0 ifaddr 62 14K 14K 78643K 86 0 counters 45 34K 34K 78643K 53 0 ioctlops 0 0K 4K 78643K 1481 0 iov 0 0K 12K 78643K 12 0 mount 1 1K 1K 78643K 1 0 vnodes 1224 77K 77K 78643K 1308 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 1K 1K 78643K 23 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 134 0 sigio 0 0K 0K 78643K 3 0 proc 62 63K 95K 78643K 455 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 34 0 in_multi 58 3K 3K 78643K 100 0 ether_multi 1 0K 0K 78643K 14 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 31 148K 148K 78643K 31 0 exec 0 0K 1K 78643K 212 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 107 21K 22K 78643K 1373 0 UVM aobj 9 2K 2K 78643K 9 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 48 0 NDP 8 0K 0K 78643K 17 0 temp 89 3019K 3083K 78643K 6685 0 kqueue 3 4K 8K 78643K 8 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 49 0 8 2 0 2 2 0 8 0 unpcb 120 297 0 287 2 1 1 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 533 0 533 1 1 0 1 0 8 0 tcpcb 544 88 0 84 1 0 1 1 0 8 0 ipq 40 1 0 1 1 1 0 1 0 8 0 ipqe 40 2 0 2 1 1 0 1 0 8 0 inpcb 280 223 0 216 3 1 2 2 0 8 1 nd6 48 7 0 3 1 0 1 1 0 8 0 pffrag 232 1 0 1 1 0 1 1 0 482 1 pffrnode 88 1 0 1 1 0 1 1 0 8 1 pffrent 40 45 0 45 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 31 0 18 1 0 1 1 0 8 0 pfstkey 112 31 0 18 1 0 1 1 0 8 0 pfstate 328 31 0 18 3 1 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 40 12 1 11 12 0 8 0 art_table 32 213 0 40 2 0 2 2 0 8 0 art_node 16 48 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semupl 112 2 0 2 2 1 1 1 0 8 1 semapl 112 13 0 3 1 0 1 1 0 8 0 shmpl 112 7 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1602 0 193 46 0 46 46 0 8 0 ffsino 272 1602 0 193 95 0 95 95 0 8 0 nchpl 144 1973 0 355 61 0 61 61 0 8 0 uvmvnodes 72 1703 0 0 31 0 31 31 0 8 0 vnodes 208 1703 0 0 90 0 90 90 0 8 0 namei 1024 5296 0 5296 2 1 1 1 0 8 1 percpumem 16 37 0 4 1 0 1 1 0 8 0 scsiplug 64 2 0 2 1 1 0 1 0 8 0 scxspl 192 5928 0 5928 9 8 1 7 0 8 1 plimitpl 152 26 0 18 1 0 1 1 0 8 0 sigapl 424 349 0 317 4 0 4 4 0 8 0 futexpl 56 2234 0 2233 2 1 1 1 0 8 0 knotepl 112 58 0 39 1 0 1 1 0 8 0 kqueuepl 144 18 0 16 1 0 1 1 0 8 0 pipelkpl 48 104 0 94 1 0 1 1 0 8 0 pipepl 120 208 0 189 1 0 1 1 0 8 0 fdescpl 496 334 0 317 3 0 3 3 0 8 0 filepl 152 2145 0 2044 7 1 6 6 0 8 2 lockfpl 104 36 0 35 1 0 1 1 0 8 0 lockfspl 48 14 0 13 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 20 0 9 1 0 1 1 0 8 0 ucredpl 96 117 0 108 1 0 1 1 0 8 0 zombiepl 144 318 0 317 3 2 1 1 0 8 0 processpl 960 349 0 317 7 2 5 5 0 8 0 procpl 624 614 0 572 4 0 4 4 0 8 0 sockpl 400 543 0 524 7 3 4 5 0 8 2 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 165 0 0 20 0 20 20 0 8 0 mtagpl 80 15 0 0 1 0 1 1 0 8 0 mbufpl 256 407 0 0 23 0 23 23 0 8 0 bufpl 280 4253 0 173 292 0 292 292 0 8 0 anonpl 16 50709 0 32978 85 1 84 84 0 124 9 amapchunkpl 152 1608 0 1470 7 0 7 7 0 158 0 amappl16 192 1766 0 789 58 0 58 58 0 8 9 amappl15 184 9 0 8 2 1 1 1 0 8 0 amappl14 176 7 0 6 2 1 1 1 0 8 0 amappl13 168 75 0 72 1 0 1 1 0 8 0 amappl12 160 7 0 5 1 0 1 1 0 8 0 amappl11 152 71 0 53 1 0 1 1 0 8 0 amappl10 144 27 0 22 1 0 1 1 0 8 0 amappl9 136 444 0 439 1 0 1 1 0 8 0 amappl8 128 383 0 349 2 0 2 2 0 8 0 amappl7 120 117 0 106 1 0 1 1 0 8 0 amappl6 112 22 0 18 2 1 1 1 0 8 0 amappl5 104 233 0 215 1 0 1 1 0 8 0 amappl4 96 551 0 517 2 1 1 2 0 8 0 amappl3 88 105 0 100 1 0 1 1 0 8 0 amappl2 80 1707 0 1631 3 1 2 3 0 8 0 amappl1 72 17166 0 16717 26 16 10 20 0 8 0 amappl 80 870 0 825 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 8 0 0 1 0 1 1 0 8 0 uaddrrnd 24 334 0 317 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 334 0 317 1 0 1 1 0 8 0 vmmpekpl 168 6562 0 6530 2 0 2 2 0 8 0 vmmpepl 168 48262 0 46038 135 34 101 118 0 357 4 vmsppl 368 333 0 317 2 0 2 2 0 8 0 pdppl 4096 676 0 634 6 0 6 6 0 8 0 pvpl 32 162375 0 141443 194 0 194 194 0 265 18 pmappl 232 333 0 317 2 1 1 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 183 0 8 5 0 5 5 0 8 0