uvm_fault(0xffffffff82627fe0, 0xffff800000a88000, 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(0xffffffff82627fe0, 0xffff800000a88000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff800020ab7210, count: 0 ddb{0}> trace memcpy() at memcpy+0x15 sysctl_iflist(0,ffff800020ab7268) at sysctl_iflist+0x255 sys/net/rtsock.c:1981 sysctl_rtable(ffff800020ab732c,3,12dfa5f3c160,ffff800020ab7358,0,0) at sysctl_rtable+0x196 sys/net/rtsock.c:2078 sys_sysctl(ffff800020a7c9c8,ffff800020ab73c0,ffff800020ab7410) at sys_sysctl+0x20e sys/kern/kern_sysctl.c:252 syscall(ffff800020ab7490) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020ab7490) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd8c60, count: -6 ddb{0}> show registers rdi 0xffff8000009ce2e8 rsi 0xffff800000a88000 rbp 0xffff800020ab7110 rbx 0xe8 rdx 0xe8 rcx 0x5 rax 0xfffffffffff462e8 r8 0xffff800020ab7268 r9 0x5 r10 0x7e0b1f5369b9484e r11 0xffff8000009ce228 r12 0xffff800000a87f40 r13 0xe8 r14 0xffff8000009ce228 r15 0x6 rip 0xffffffff81ec8855 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800020ab7058 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{0}> show proc PROC (dhclient) pid=221470 stat=onproc flags process=100010 proc=0 pri=24, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020a7c008,0xffff800020aefaf0 process=0xffff800020a912d0 user=0xffff800020ab2000, vmspace=0xfffffd807efff2e0 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 11679 510154 52482 0 2 0 syz-executor.0 11679 36298 52482 0 2 0x4000000 syz-executor.0 11043 228107 85378 0 2 0 syz-executor.1 11043 73488 85378 0 3 0x4000080 fsleep syz-executor.1 85378 86245 39465 0 2 0x482 syz-executor.1 52482 436764 39465 0 3 0x82 nanosleep syz-executor.0 39465 269890 33258 0 3 0x82 kqread syz-fuzzer 39465 213835 33258 0 7 0x4000482 syz-fuzzer 39465 240104 33258 0 3 0x4000082 thrsleep syz-fuzzer 39465 21830 33258 0 3 0x4000082 thrsleep syz-fuzzer 39465 231066 33258 0 3 0x4000082 thrsleep syz-fuzzer 39465 28643 33258 0 3 0x4000082 thrsleep syz-fuzzer 39465 127529 33258 0 3 0x4000082 thrsleep syz-fuzzer 39465 117995 33258 0 3 0x4000082 thrsleep syz-fuzzer 39465 176109 33258 0 3 0x4000082 thrsleep syz-fuzzer 39465 505378 33258 0 2 0x4000482 syz-fuzzer 33258 511865 9489 0 3 0x10008a pause ksh 9489 207832 23050 0 3 0x92 select sshd 26929 48046 1 0 3 0x100083 ttyin getty 23050 476981 1 0 3 0x80 select sshd 42740 205728 10614 74 3 0x100092 bpf pflogd 10614 307929 1 0 3 0x80 netio pflogd 93925 324869 67320 73 3 0x100090 kqread syslogd 67320 306699 1 0 3 0x100082 netio syslogd *14400 221470 1 77 7 0x100010 dhclient 11261 333716 1 0 3 0x80 poll dhclient 50081 465869 0 0 2 0x14200 zerothread 44743 273331 0 0 3 0x14200 aiodoned aiodoned 50074 262222 0 0 3 0x14200 syncer update 15761 177325 0 0 3 0x14200 cleaner cleaner 71616 96115 0 0 3 0x14200 reaper reaper 67385 132055 0 0 3 0x14200 pgdaemon pagedaemon 96100 247042 0 0 3 0x14200 bored crynlk 48095 279734 0 0 3 0x14200 bored crypto 4995 262490 0 0 3 0x40014200 acpi0 acpi0 55751 93645 0 0 3 0x40014200 idle1 45298 302102 0 0 3 0x14200 bored softnet 26040 326600 0 0 3 0x14200 bored systqmp 64478 371841 0 0 3 0x14200 bored systq 11644 47712 0 0 3 0x40014200 bored softclock 19880 15146 0 0 3 0x40014200 idle0 63769 304289 0 0 3 0x14200 bored smr 1 15831 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 14400 (dhclient) thread 0xffff800020a7c9c8 (221470) exclusive rwlock netlock r = 0 (0xffffffff824fe558) #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 (0xffffffff82512f80) #0 witness_lock+0x52e sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:309 #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 (0xffffffff826397f8) #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 9484 6527K 6724K 78643K 10655 0 pcb 13 8K 8K 78643K 31 0 rtable 106 3K 3K 78643K 235 0 ifaddr 50 12K 12K 78643K 77 0 counters 43 33K 34K 78643K 53 0 ioctlops 0 0K 4K 78643K 1480 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1250 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 10 0K 0K 78643K 10 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 72 0 proc 60 63K 95K 78643K 441 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 3 0 in_multi 53 3K 3K 78643K 55 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 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 210 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 116 54K 54K 78643K 1145 0 UVM aobj 5 2K 2K 78643K 5 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 11 0 NDP 6 0K 0K 78643K 15 0 temp 69 3012K 3076K 78643K 5977 0 kqueue 3 4K 4K 78643K 3 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 19 1 0 1 1 0 8 0 rtentry 112 46 0 2 2 0 2 2 0 8 0 unpcb 120 39 0 29 1 0 1 1 0 8 0 syncache 264 6 0 6 2 1 1 1 0 8 1 tcpqe 32 115 0 115 1 0 1 1 0 8 1 tcpcb 544 32 0 27 1 0 1 1 0 8 0 inpcb 280 124 0 115 2 0 2 2 0 8 1 rttmr 72 1 0 1 1 0 1 1 0 8 1 nd6 48 6 0 0 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 18 0 0 1 0 1 1 0 8 0 pfstkey 112 18 0 0 1 0 1 1 0 8 0 pfstate 328 18 0 0 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 256 188 0 0 12 0 12 12 0 8 0 art_table 32 189 0 0 2 0 2 2 0 8 0 art_node 16 45 0 5 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 8 0 0 1 0 1 1 0 8 0 shmpl 112 3 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1494 0 85 46 0 46 46 0 8 0 ffsino 272 1494 0 85 95 0 95 95 0 8 0 nchpl 144 1775 0 157 61 0 61 61 0 8 0 uvmvnodes 72 1554 0 0 29 0 29 29 0 8 0 vnodes 208 1554 0 0 82 0 82 82 0 8 0 namei 1024 4711 0 4711 1 0 1 1 0 8 1 percpumem 16 37 0 5 1 0 1 1 0 8 0 vcpupl 1984 3 0 0 1 0 1 1 0 8 0 vmpool 560 5 0 2 1 0 1 1 0 8 0 scxspl 192 5150 0 5150 2 1 1 2 0 8 1 plimitpl 152 21 0 13 1 0 1 1 0 8 0 sigapl 424 287 0 255 4 0 4 4 0 8 0 futexpl 56 891 0 890 1 0 1 1 0 8 0 knotepl 112 53 0 34 1 0 1 1 0 8 0 kqueuepl 144 6 0 4 1 0 1 1 0 8 0 pipelkpl 48 96 0 86 1 0 1 1 0 8 0 pipepl 120 192 0 173 2 0 2 2 0 8 1 fdescpl 496 272 0 255 3 0 3 3 0 8 0 filepl 152 1548 0 1442 5 0 5 5 0 8 0 lockfpl 104 14 0 12 1 0 1 1 0 8 0 lockfspl 48 6 0 4 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 96 172 0 163 1 0 1 1 0 8 0 zombiepl 144 255 0 255 1 0 1 1 0 8 1 processpl 960 287 0 255 5 0 5 5 0 8 0 procpl 624 386 0 343 4 0 4 4 0 8 0 sockpl 400 186 0 163 4 0 4 4 0 8 1 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 211 0 0 26 0 26 26 0 8 0 mtagpl 80 3 0 0 1 0 1 1 0 8 0 mbufpl 256 222 0 0 14 0 14 14 0 8 0 bufpl 280 4170 0 173 286 0 286 286 0 8 0 anonpl 16 41027 0 24790 67 1 66 66 0 124 0 amapchunkpl 152 1355 0 1220 8 0 8 8 0 158 1 amappl16 192 1150 0 263 45 0 45 45 0 8 0 amappl15 184 1 0 1 1 1 0 1 0 8 0 amappl14 176 44 0 39 2 1 1 1 0 8 0 amappl13 168 25 0 24 1 0 1 1 0 8 0 amappl12 160 8 0 8 1 1 0 1 0 8 0 amappl11 152 78 0 59 1 0 1 1 0 8 0 amappl10 144 19 0 13 1 0 1 1 0 8 0 amappl9 136 403 0 398 1 0 1 1 0 8 0 amappl8 128 337 0 302 2 0 2 2 0 8 0 amappl7 120 116 0 105 1 0 1 1 0 8 0 amappl6 112 26 0 21 1 0 1 1 0 8 0 amappl5 104 171 0 154 1 0 1 1 0 8 0 amappl4 96 498 0 467 1 0 1 1 0 8 0 amappl3 88 143 0 134 1 0 1 1 0 8 0 amappl2 80 1251 0 1171 3 0 3 3 0 8 1 amappl1 72 16194 0 15750 26 10 16 20 0 8 6 amappl 80 634 0 587 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 4 0 0 1 0 1 1 0 8 0 uaddrrnd 24 277 0 257 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 277 0 257 1 0 1 1 0 8 0 vmmpekpl 168 6110 0 6077 2 0 2 2 0 8 0 vmmpepl 168 40709 0 38565 124 5 119 119 0 357 25 vmsppl 368 276 0 257 2 0 2 2 0 8 0 pdppl 4096 561 0 517 6 0 6 6 0 8 0 pvpl 32 140232 0 120785 157 0 157 157 0 265 0 pmappl 232 276 0 257 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 174 0 3 5 0 5 5 0 8 0