uvm_fault(0xffffffff8260cb08, 0xffff800000a65000, 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(0xffffffff8260cb08, 0xffff800000a65000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff800020abb430, count: 0 ddb{1}> trace memcpy() at memcpy+0x15 route_output(fffffd8065341400,fffffd806f662e10,0,0) at route_output+0x728 sys/net/rtsock.c:837 route_usrreq(fffffd806f662e10,9,fffffd8065341400,0,0,ffff800020ad7160) at route_usrreq+0x36f sys/net/rtsock.c:275 sosend(fffffd806f662e10,0,ffff800020abb668,0,0,0) at sosend+0x671 sys/kern/uipc_socket.c:549 dofilewritev(ffff800020ad7160,3,ffff800020abb668,0,ffff800020abb750) at dofilewritev+0x1b7 sys/kern/sys_generic.c:364 sys_write(ffff800020ad7160,ffff800020abb700,ffff800020abb750) at sys_write+0x83 sys/kern/sys_generic.c:284 syscall(ffff800020abb7d0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800020abb7d0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffcb690, count: -8 ddb{1}> show registers rdi 0xffff800000aa8b80 rsi 0xffff800000a65000 rbp 0xffff800020abb310 rbx 0xe8 rdx 0xe8 rcx 0x5 rax 0x43b80 acpi_pdirpa+0x2f9e8 r8 0x1a8 r9 0x5 r10 0x4e3babc39121b5b0 r11 0xffff800000aa8ac0 r12 0xffff800000aa8ac0 r13 0x6 r14 0xe8 r15 0xffff800000a64f40 rip 0xffffffff81cf8765 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800020abb178 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{1}> show proc PROC (arp) pid=118891 stat=onproc flags process=100002 proc=0 pri=51, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff800020ad69f8,0xffffffff82614b88 process=0xffff800020af5880 user=0xffff800020ab6000, vmspace=0xfffffd807f000cf0 estcpu=33, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND * 1898 118891 75932 0 7 0x100002 arp 75932 235431 94589 0 3 0x10008a pause sh 94589 236885 70267 0 3 0x82 wait syz-executor.0 87008 215433 0 0 3 0x14200 bored sosplice 87572 175684 70267 0 3 0x82 piperd syz-executor.1 70267 256866 71531 0 3 0x82 thrsleep syz-fuzzer 70267 298306 71531 0 3 0x4000082 thrsleep syz-fuzzer 70267 34985 71531 0 3 0x4000082 thrsleep syz-fuzzer 70267 360633 71531 0 3 0x4000082 thrsleep syz-fuzzer 70267 146137 71531 0 3 0x4000082 thrsleep syz-fuzzer 70267 356641 71531 0 3 0x4000082 kqread syz-fuzzer 70267 444684 71531 0 3 0x4000082 thrsleep syz-fuzzer 70267 329614 71531 0 3 0x4000082 thrsleep syz-fuzzer 70267 433791 71531 0 3 0x4000082 thrsleep syz-fuzzer 70267 78052 71531 0 3 0x4000082 thrsleep syz-fuzzer 71531 336202 38289 0 3 0x10008a pause ksh 38289 86341 55563 0 3 0x92 select sshd 95759 492677 1 0 3 0x100083 ttyin getty 55563 201198 1 0 3 0x80 select sshd 60587 322316 83248 74 3 0x100092 bpf pflogd 83248 174643 1 0 3 0x80 netio pflogd 32860 220057 42767 73 3 0x100090 kqread syslogd 42767 508557 1 0 3 0x100082 netio syslogd 10524 173469 0 0 3 0x14200 pgzero zerothread 14622 329985 0 0 3 0x14200 aiodoned aiodoned 29187 251039 0 0 3 0x14200 syncer update 41582 407046 0 0 3 0x14200 cleaner cleaner 38997 178143 0 0 3 0x14200 reaper reaper 36688 489211 0 0 3 0x14200 pgdaemon pagedaemon 38387 225505 0 0 3 0x14200 bored crynlk 50165 128510 0 0 3 0x14200 bored crypto 89953 218554 0 0 3 0x40014200 acpi0 acpi0 65245 304783 0 0 3 0x40014200 idle1 92397 337517 0 0 3 0x14200 bored softnet 65153 26922 0 0 3 0x14200 bored systqmp 58384 18512 0 0 3 0x14200 bored systq 93509 79402 0 0 3 0x40014200 bored softclock 74160 2198 0 0 7 0x40014200 idle0 10163 286656 0 0 3 0x14200 bored smr 1 13347 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 1898 (arp) thread 0xffff800020ad7160 (118891) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82655880) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 solock+0x66 sys/kern/uipc_socket2.c:292 #2 sosend+0x559 sys/kern/uipc_socket.c:537 #3 dofilewritev+0x1b7 sys/kern/sys_generic.c:364 #4 sys_write+0x83 sys/kern/sys_generic.c:284 #5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] #5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9532 6360K 7584K 78643K 12441 0 pcb 13 8K 8K 78643K 72 0 rtable 97 5K 5K 78643K 360 0 ifaddr 83 15K 16K 78643K 171 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1489 0 iov 0 0K 16K 78643K 104 0 mount 1 1K 1K 78643K 1 0 vnodes 1225 77K 77K 78643K 1709 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 1K 78643K 56 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 361 0 sigio 0 0K 0K 78643K 8 0 proc 57 51K 95K 78643K 552 0 subproc 32 2K 2K 78643K 68 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 27 0 in_multi 68 3K 3K 78643K 119 0 ether_multi 1 0K 0K 78643K 8 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 67 307K 307K 78643K 67 0 exec 0 0K 1K 78643K 249 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 126 79K 82K 78643K 2196 0 UVM aobj 48 2K 2K 78643K 48 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 40 0 NDP 15 0K 0K 78643K 36 0 temp 145 3023K 3087K 78643K 9048 0 kqueue 3 4K 12K 78643K 29 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 10 0 6 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 81 0 80 1 0 1 1 0 8 0 rtentry 112 73 0 38 2 0 2 2 0 8 0 unpcb 120 548 0 540 2 1 1 2 0 8 0 syncache 264 7 0 7 3 2 1 1 0 8 1 tcpqe 32 19 0 19 1 1 0 1 0 8 0 tcpcb 544 138 0 134 2 0 2 2 0 8 1 inpcb 280 462 0 458 3 1 2 2 0 8 1 nd6 48 10 0 8 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 1 0 1 0 8 0 ppxss 1128 11 0 11 2 1 1 1 0 8 1 pffrag 232 8 0 8 3 2 1 1 0 482 1 pffrnode 88 8 0 8 3 2 1 1 0 8 1 pffrent 40 274 0 274 3 2 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 53 0 9 1 0 1 1 0 8 0 pfstkey 112 53 0 9 2 0 2 2 0 8 0 pfstate 328 53 0 8 4 0 4 4 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 376 0 173 15 1 14 15 0 8 0 art_table 32 378 0 173 2 0 2 2 0 8 0 art_node 16 72 0 39 1 0 1 1 0 8 0 sysvmsgpl 40 32 0 14 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 54 0 44 1 0 1 1 0 8 0 shmpl 112 46 0 0 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1901 0 497 46 0 46 46 0 8 0 ffsino 272 1901 0 497 94 0 94 94 0 8 0 nchpl 144 2687 0 1083 61 0 61 61 0 8 0 uvmvnodes 72 2362 0 0 43 0 43 43 0 8 0 vnodes 208 2362 0 0 125 0 125 125 0 8 0 namei 1024 7931 0 7931 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vcpupl 1984 7 0 0 1 0 1 1 0 8 0 vmpool 560 9 0 2 1 0 1 1 0 8 0 scxspl 192 7440 0 7440 8 7 1 7 0 8 1 plimitpl 152 35 0 28 1 0 1 1 0 8 0 sigapl 432 554 0 540 3 1 2 3 0 8 0 futexpl 56 7097 0 7097 1 0 1 1 0 8 1 knotepl 112 111 0 90 1 0 1 1 0 8 0 kqueuepl 104 76 0 74 1 0 1 1 0 8 0 pipelkpl 48 129 0 119 1 0 1 1 0 8 0 pipepl 120 258 0 239 1 0 1 1 0 8 0 fdescpl 496 555 0 540 3 0 3 3 0 8 0 filepl 152 4271 0 4181 8 3 5 7 0 8 1 lockfpl 104 141 0 141 1 0 1 1 0 8 1 lockfspl 48 49 0 49 1 0 1 1 0 8 1 sessionpl 112 20 0 11 1 0 1 1 0 8 0 pgrppl 48 22 0 13 1 0 1 1 0 8 0 ucredpl 96 349 0 341 1 0 1 1 0 8 0 zombiepl 144 540 0 540 1 0 1 1 0 8 1 processpl 896 571 0 540 4 0 4 4 0 8 0 procpl 632 1329 0 1289 5 1 4 5 0 8 0 srpgc 64 6 0 6 2 1 1 1 0 8 1 sosppl 128 7 0 7 3 2 1 1 0 8 1 sockpl 400 1109 0 1096 9 5 4 8 0 8 2 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 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 8 0 0 1 0 1 1 0 8 0 mcl4k 4096 10 0 0 2 0 2 2 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 154 0 0 19 0 19 19 0 8 0 mtagpl 80 24 0 0 1 0 1 1 0 8 0 mbufpl 256 339 0 0 20 0 20 20 0 8 0 bufpl 280 7015 0 1345 405 0 405 405 0 8 0 anonpl 16 65199 0 53343 67 4 63 65 0 125 0 amapchunkpl 152 3387 0 3228 20 1 19 19 0 158 12 amappl16 192 2382 0 1534 47 3 44 45 0 8 0 amappl15 184 61 0 57 1 0 1 1 0 8 0 amappl14 176 194 0 190 1 0 1 1 0 8 0 amappl12 160 10 0 9 2 1 1 1 0 8 0 amappl11 152 219 0 209 1 0 1 1 0 8 0 amappl10 144 16 0 9 1 0 1 1 0 8 0 amappl9 136 625 0 622 1 0 1 1 0 8 0 amappl8 128 148 0 125 1 0 1 1 0 8 0 amappl7 120 115 0 100 1 0 1 1 0 8 0 amappl6 112 206 0 200 1 0 1 1 0 8 0 amappl5 104 146 0 133 1 0 1 1 0 8 0 amappl4 96 718 0 688 2 1 1 2 0 8 0 amappl3 88 377 0 370 1 0 1 1 0 8 0 amappl2 80 3437 0 3370 3 1 2 3 0 8 0 amappl1 72 22650 0 22175 26 16 10 21 0 8 0 amappl 80 1613 0 1567 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 47 0 0 1 0 1 1 0 8 0 uaddrrnd 24 564 0 542 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 564 0 542 1 0 1 1 0 8 0 vmmpekpl 168 8068 0 8032 2 0 2 2 0 8 0 vmmpepl 168 76352 0 74378 135 16 119 119 0 357 27 vmsppl 368 563 0 542 3 0 3 3 0 8 1 pdppl 4096 1135 0 1091 6 0 6 6 0 8 0 pvpl 32 216083 0 200938 162 6 156 162 0 265 4 pmappl 232 563 0 542 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 183 0 9 5 0 5 5 0 8 0