uvm_fault(0xfffffd803f014ee0, 0x100000008, 0, 2) -> e kernel: page fault trap, code=0 Stopped at arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xfffffd803f014ee0, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff800015a065b0, count: 0 ddb> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff800000a31800,ffff800015a06668,ffff800015a065c0,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd8036f69000,fffffd8036fe1900,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd8036fe1900,9,fffffd8036f69000,0,0,ffff8000149203a0) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd8036fe1900,0,ffff800015a06860,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff8000149203a0,3,ffff800015a06940,0,ffff800015a06a40) at sendit+0x53f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000149203a0,ffff800015a069d8,ffff800015a06a40) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff800015a06aa0) at syscall+0x508 Xsyscall(6,0,ffffffffffffffd8,0,6,c6f21a2f010) at Xsyscall+0x128 end of kernel end trace frame: 0xc7187ba81c0, count: -9 ddb> show registers rdi 0xffffffff819ef3a7 arp_rtrequest+0x157 rsi 0x195 rbp 0xffff800015a06510 rbx 0xffff800000025880 rdx 0x196 rcx 0xdeafbeaddeafbead rax 0xffff800000025888 r8 0x40 r9 0x5 r10 0xffff80000098fc00 r11 0xc5720e42e9f0d5af r12 0xffff8000001722a8 r13 0x2 r14 0xfffffd803005ca88 r15 0x100000000 rip 0xffffffff819ef3af arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800015a06490 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> show proc PROC (syz-executor.0) pid=285048 stat=onproc flags process=0 proc=4000000 pri=80, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff800014920af0,0xffffffff822c2708 process=0xffff8000ffffa6a0 user=0xffff800015a01000, vmspace=0xfffffd803f014ee0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 27923 442612 67753 0 2 0 syz-executor.0 *27923 285048 67753 0 7 0x4000000 syz-executor.0 52165 124981 1 0 3 0x100083 ttyin getty 82457 10714 0 0 3 0x14200 bored sosplice 53184 332294 12027 0 2 0x2 syz-executor.1 67753 381196 12027 0 3 0x82 nanosleep syz-executor.0 12027 140888 88698 0 3 0x82 thrsleep syz-fuzzer 12027 135681 88698 0 2 0x4000482 syz-fuzzer 12027 271929 88698 0 3 0x4000082 thrsleep syz-fuzzer 12027 517426 88698 0 3 0x4000082 kqread syz-fuzzer 12027 98828 88698 0 3 0x4000082 thrsleep syz-fuzzer 12027 390671 88698 0 3 0x4000082 thrsleep syz-fuzzer 12027 377315 88698 0 3 0x4000082 thrsleep syz-fuzzer 12027 347982 88698 0 3 0x4000082 thrsleep syz-fuzzer 88698 269283 45188 0 3 0x10008a pause ksh 45188 151948 16599 0 3 0x92 select sshd 16599 372397 1 0 3 0x80 select sshd 4529 394490 28267 73 2 0x100090 syslogd 28267 304603 1 0 3 0x100082 netio syslogd 44785 11247 1 77 3 0x100090 poll dhclient 19300 459325 1 0 3 0x80 poll dhclient 51661 194738 0 0 2 0x14200 zerothread 20098 417105 0 0 3 0x14200 aiodoned aiodoned 80421 187854 0 0 3 0x14200 syncer update 79387 321499 0 0 3 0x14200 cleaner cleaner 15288 301787 0 0 3 0x14200 reaper reaper 76144 182539 0 0 3 0x14200 pgdaemon pagedaemon 71160 409201 0 0 3 0x14200 bored crynlk 56789 343766 0 0 3 0x14200 bored crypto 62372 405832 0 0 3 0x40014200 acpi0 acpi0 96959 48420 0 0 3 0x14200 bored softnet 29111 128195 0 0 3 0x14200 bored systqmp 57876 75004 0 0 3 0x14200 bored systq 25350 488604 0 0 3 0x40014200 bored softclock 54347 363752 0 0 3 0x40014200 idle0 92961 518414 0 0 3 0x14200 bored smr 1 70715 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9544 6510K 14699K 78643K 28594 0 0 pcb 24 9K 11K 78643K 3699 0 0 rtable 159 6K 6K 78643K 1472 0 0 ifaddr 66 17K 19K 78643K 669 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 323 0 0 iov 0 0K 28K 78643K 965 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1202 75K 77K 78643K 8137 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 102 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 550 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 7958 0 0 sigio 0 0K 0K 78643K 116 0 0 proc 42 30K 54K 78643K 1078 0 0 subproc 32 2K 2K 78643K 46 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 820 0 0 in_multi 33 2K 2K 78643K 258 0 0 ether_multi 1 0K 0K 78643K 31 0 0 mrt 0 0K 0K 78643K 18 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 102 450K 450K 78643K 102 0 0 exec 0 0K 1K 78643K 763 0 0 pfkey data 0 0K 4K 78643K 6 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 83 20K 38K 78643K 19427 0 0 UVM aobj 130 4K 4K 78643K 140 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 1K 78643K 313 0 0 NDP 14 0K 0K 78643K 177 0 0 temp 189 2715K 3355K 78643K 26715 0 0 kqueue 0 0K 0K 78643K 64 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb> 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 inpcbpl 280 3317 0 3310 2 1 1 2 0 8 0 rtentry 112 85 0 22 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 544 1172 0 1168 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 ppxss 1128 139 0 139 21 21 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 194 0 0 13 0 13 13 0 8 0 art_table 32 195 0 0 2 0 2 2 0 8 0 art_node 16 63 0 22 1 0 1 1 0 8 0 sysvmsgpl 40 21 0 5 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 548 0 538 1 0 1 1 0 8 0 shmpl 112 138 0 10 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 14515 0 13013 50 1 49 49 0 8 0 ffsino 240 14515 0 13013 89 0 89 89 0 8 0 nchpl 144 25785 0 24163 61 0 61 61 0 8 0 uvmvnodes 72 7085 0 0 129 0 129 129 0 8 0 vnodes 200 7085 0 0 373 0 373 373 0 8 0 namei 1024 81310 0 81310 5 4 1 1 0 8 1 scsiplug 64 15 0 15 10 10 0 1 0 8 0 scxspl 192 83749 0 83749 38 37 1 6 0 8 1 plimitpl 152 255 0 248 1 0 1 1 0 8 0 sigapl 432 8132 0 8119 2 0 2 2 0 8 0 futexpl 56 125152 0 125152 4 3 1 1 0 8 1 knotepl 112 1425 0 1406 2 1 1 2 0 8 0 kqueuepl 104 1730 0 1728 1 0 1 1 0 8 0 pipepl 112 4388 0 4369 14 12 2 2 0 8 1 fdescpl 424 8133 0 8119 2 0 2 2 0 8 0 filepl 120 48034 0 47939 10 6 4 5 0 8 1 lockfpl 104 2863 0 2863 7 6 1 1 0 8 1 lockfspl 48 960 0 960 7 6 1 1 0 8 1 sessionpl 112 20 0 10 1 0 1 1 0 8 0 pgrppl 48 102 0 92 1 0 1 1 0 8 0 ucredpl 96 10752 0 10745 1 0 1 1 0 8 0 zombiepl 144 8119 0 8119 4 3 1 1 0 8 1 processpl 840 8148 0 8119 4 0 4 4 0 8 0 procpl 624 18382 0 18345 5 1 4 4 0 8 0 sosppl 128 102 0 102 21 21 0 1 0 8 0 sockpl 384 6633 0 6615 13 10 3 4 0 8 1 mcl64k 65536 496 0 496 54 53 1 32 0 8 1 mcl16k 16384 27 0 27 19 18 1 1 0 8 1 mcl12k 12288 142 0 142 20 19 1 1 0 8 1 mcl9k 9216 123 0 123 23 22 1 1 0 8 1 mcl8k 8192 102 0 102 22 22 0 1 0 8 0 mcl4k 4096 308 0 308 12 11 1 1 0 8 1 mcl2k2 2112 51 0 51 22 22 0 1 0 8 0 mcl2k 2048 67700 0 67659 13 7 6 10 0 8 0 mtagpl 80 8 0 8 4 4 0 1 0 8 0 mbufpl 256 147705 0 147632 28 22 6 21 0 8 0 bufpl 256 27711 0 20626 444 0 444 444 0 8 0 anonpl 16 698138 0 687822 289 231 58 60 0 62 14 amapchunkpl 152 34015 0 33920 90 85 5 14 0 158 0 amappl16 192 43392 0 42837 270 233 37 41 0 8 8 amappl15 184 3 0 3 3 3 0 1 0 8 0 amappl14 176 34 0 33 2 1 1 1 0 8 0 amappl13 168 3945 0 3943 1 0 1 1 0 8 0 amappl12 160 11 0 10 1 0 1 1 0 8 0 amappl11 152 4030 0 4015 1 0 1 1 0 8 0 amappl10 144 70 0 69 2 1 1 1 0 8 0 amappl9 136 518 0 514 1 0 1 1 0 8 0 amappl8 128 134 0 118 1 0 1 1 0 8 0 amappl7 120 31 0 28 1 0 1 1 0 8 0 amappl6 112 4038 0 4031 1 0 1 1 0 8 0 amappl5 104 273 0 261 1 0 1 1 0 8 0 amappl4 96 8346 0 8324 1 0 1 1 0 8 0 amappl3 88 453 0 443 1 0 1 1 0 8 0 amappl2 80 64376 0 64310 4 2 2 3 0 8 0 amappl1 72 149457 0 149052 26 17 9 19 0 8 0 amappl 80 18700 0 18665 1 0 1 1 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 dma64 64 259 0 259 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 17 0 17 1 1 0 1 0 8 0 aobjpl 64 139 0 10 3 0 3 3 0 8 0 uaddrrnd 24 8133 0 8119 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 8133 0 8119 1 0 1 1 0 8 0 vmmpekpl 168 50018 0 49991 2 0 2 2 0 8 0 vmmpepl 168 797502 0 795990 264 185 79 82 0 357 10 vmsppl 272 8132 0 8119 2 1 1 2 0 8 0 pdppl 4096 16272 0 16238 6 1 5 6 0 8 0 pvpl 32 2158621 0 2145222 605 439 166 240 0 265 53 pmappl 200 8132 0 8119 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 719 0 142 18 1 17 18 0 8 0