uvm_fault(0xfffffd803f013a50, 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(0xfffffd803f013a50, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff8000149ea440, count: 0 ddb> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff800000a00200,ffff8000149ea4f8,ffff8000149ea450,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd8036fd9800,fffffd803eacf600,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd803eacf600,9,fffffd8036fd9800,0,0,ffff8000159fb9e0) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd803eacf600,0,ffff8000149ea6f0,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff8000159fb9e0,3,ffff8000149ea7d0,0,ffff8000149ea8e0) at sendit+0x53c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000159fb9e0,ffff8000149ea878,ffff8000149ea8e0) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff8000149ea950) at syscall+0x511 Xsyscall(6,0,ffffffffffffffd8,0,6,5d3d223d010) at Xsyscall+0x128 end of kernel end trace frame: 0x5d62472f950, count: -9 ddb> show registers rdi 0xffffffff81ed4057 arp_rtrequest+0x157 rsi 0x195 rbp 0xffff8000149ea3a0 rbx 0xffff8000000253b0 rdx 0x196 rcx 0xdeafbeaddeafbead rax 0xffff8000000253b8 r8 0x40 r9 0x5 r10 0xffff80000098ffc0 r11 0x752a8c34579ffecc r12 0xffff800000172290 r13 0x2 r14 0xfffffd80304a25b8 r15 0x100000000 rip 0xffffffff81ed405f arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000149ea320 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> show proc PROC (syz-executor.1) pid=329097 stat=onproc flags process=0 proc=4000000 pri=79, usrpri=79, nice=20 forw=0xffffffffffffffff, list=0xffff8000159fabd0,0xffffffff822ca0f0 process=0xffff8000ffff6d30 user=0xffff8000149e5000, vmspace=0xfffffd803f013a50 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 22313 444609 82937 0 2 0 syz-executor.1 *22313 329097 82937 0 7 0x4000000 syz-executor.1 15977 22872 1 0 3 0x100083 ttyin getty 40985 20427 0 0 3 0x14200 bored sosplice 68456 41897 86603 0 2 0x2 syz-executor.0 82937 233260 86603 0 3 0x82 nanosleep syz-executor.1 86603 193331 19897 0 3 0x82 kqread syz-fuzzer 86603 395257 19897 0 3 0x4000082 nanosleep syz-fuzzer 86603 151380 19897 0 3 0x4000082 thrsleep syz-fuzzer 86603 393212 19897 0 3 0x4000082 thrsleep syz-fuzzer 86603 502161 19897 0 3 0x4000082 thrsleep syz-fuzzer 86603 191626 19897 0 3 0x4000082 thrsleep syz-fuzzer 86603 169924 19897 0 3 0x4000082 thrsleep syz-fuzzer 86603 269814 19897 0 3 0x4000082 thrsleep syz-fuzzer 19897 375431 60680 0 3 0x10008a pause ksh 60680 259268 82356 0 3 0x92 select sshd 82356 134641 1 0 3 0x80 select sshd 97847 90216 68421 73 2 0x100090 syslogd 68421 227910 1 0 3 0x100082 netio syslogd 75032 410884 1 77 3 0x100090 poll dhclient 27 517456 1 0 3 0x80 poll dhclient 75934 171079 0 0 2 0x14200 zerothread 36003 86896 0 0 3 0x14200 aiodoned aiodoned 561 324907 0 0 3 0x14200 syncer update 18098 139885 0 0 3 0x14200 cleaner cleaner 8651 347046 0 0 3 0x14200 reaper reaper 67266 403939 0 0 3 0x14200 pgdaemon pagedaemon 25345 90196 0 0 3 0x14200 bored crynlk 18322 273608 0 0 3 0x14200 bored crypto 97907 95070 0 0 3 0x40014200 acpi0 acpi0 65949 409176 0 0 3 0x14200 bored softnet 92538 462627 0 0 3 0x14200 bored systqmp 43008 99403 0 0 3 0x14200 bored systq 10814 243471 0 0 3 0x40014200 bored softclock 21000 376497 0 0 3 0x40014200 idle0 92030 42427 0 0 3 0x14200 bored smr 1 290983 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 9537 6490K 6872K 78643K 16348 0 0 pcb 24 9K 11K 78643K 2134 0 0 rtable 118 5K 5K 78643K 1411 0 0 ifaddr 62 15K 16K 78643K 449 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 155 0 0 iov 0 0K 28K 78643K 473 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1200 75K 77K 78643K 4072 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 35 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 205 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 4008 0 0 sigio 0 0K 0K 78643K 54 0 0 proc 42 30K 54K 78643K 707 0 0 subproc 32 2K 2K 78643K 40 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 364 0 0 in_multi 33 2K 2K 78643K 158 0 0 ether_multi 1 0K 0K 78643K 20 0 0 mrt 0 0K 0K 78643K 7 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 120 530K 530K 78643K 120 0 0 exec 0 0K 1K 78643K 478 0 0 pfkey data 0 0K 4K 78643K 4 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 79 20K 30K 78643K 10148 0 0 UVM aobj 130 5K 5K 78643K 147 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 135 0 0 NDP 13 0K 0K 78643K 119 0 0 temp 260 2717K 2787K 78643K 14587 0 0 kqueue 0 0K 0K 78643K 43 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 1555 0 1548 1 0 1 1 0 8 0 plimitpl 152 103 0 96 1 0 1 1 0 8 0 rtentry 112 65 0 20 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 547 0 543 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 ppxss 1128 84 0 84 15 14 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 195 0 0 13 0 13 13 0 8 0 art_table 32 196 0 0 2 0 2 2 0 8 0 art_node 16 45 0 4 1 0 1 1 0 8 0 sysvmsgpl 40 25 0 5 1 0 1 1 0 8 0 semapl 112 203 0 193 1 0 1 1 0 8 0 shmpl 112 145 0 17 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 8209 0 6751 48 0 48 48 0 8 0 ffsino 240 8209 0 6751 87 1 86 86 0 8 0 nchpl 144 13914 0 12291 61 0 61 61 0 8 0 uvmvnodes 72 6838 0 0 125 0 125 125 0 8 0 vnodes 200 6838 0 0 360 0 360 360 0 8 0 namei 1024 42798 0 42798 2 1 1 1 0 8 1 scsiplug 64 11 0 11 6 6 0 1 0 8 0 scxspl 192 45099 0 45098 24 23 1 6 0 8 0 sigapl 432 4181 0 4168 2 0 2 2 0 8 0 futexpl 56 58828 0 58828 1 0 1 1 0 8 1 knotepl 112 776 0 757 1 0 1 1 0 8 0 kqueuepl 104 1018 0 1016 1 0 1 1 0 8 0 pipepl 112 2222 0 2203 6 5 1 2 0 8 0 fdescpl 424 4182 0 4168 2 0 2 2 0 8 0 filepl 120 24302 0 24207 6 2 4 5 0 8 0 lockfpl 104 1367 0 1367 3 2 1 1 0 8 1 lockfspl 48 445 0 445 3 2 1 1 0 8 1 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 59 0 49 1 0 1 1 0 8 0 ucredpl 96 6085 0 6078 1 0 1 1 0 8 0 zombiepl 144 4168 0 4168 2 1 1 1 0 8 1 processpl 840 4197 0 4168 4 0 4 4 0 8 0 procpl 600 9303 0 9266 4 0 4 4 0 8 0 sosppl 128 46 0 46 12 11 1 1 0 8 1 sockpl 384 3468 0 3450 6 3 3 4 0 8 1 mcl64k 65536 702 0 702 89 89 0 32 0 8 0 mcl16k 16384 5 0 5 3 3 0 1 0 8 0 mcl12k 12288 52 0 52 16 16 0 1 0 8 0 mcl9k 9216 61 0 61 12 12 0 1 0 8 0 mcl8k 8192 68 0 68 16 16 0 1 0 8 0 mcl4k 4096 133 0 133 11 10 1 1 0 8 1 mcl2k2 2112 13 0 13 6 6 0 1 0 8 0 mcl2k 2048 56937 0 56887 14 7 7 11 0 8 0 mtagpl 80 14 0 12 6 5 1 1 0 8 0 mbufpl 256 113282 0 113133 48 38 10 22 0 8 0 bufpl 256 17250 0 10348 433 1 432 432 0 8 0 anonpl 16 396520 0 387494 154 112 42 54 0 62 1 amapchunkpl 152 17488 0 17407 67 63 4 14 0 158 0 amappl16 192 19910 0 19428 177 150 27 37 0 8 2 amappl15 184 3974 0 3971 1 0 1 1 0 8 0 amappl14 176 4012 0 4007 2 1 1 1 0 8 0 amappl13 168 4 0 4 4 4 0 1 0 8 0 amappl12 160 17 0 15 1 0 1 1 0 8 0 amappl11 152 53 0 38 1 0 1 1 0 8 0 amappl10 144 62 0 62 3 3 0 1 0 8 0 amappl9 136 551 0 548 1 0 1 1 0 8 0 amappl8 128 134 0 115 1 0 1 1 0 8 0 amappl7 120 30 0 27 1 0 1 1 0 8 0 amappl6 112 58 0 49 1 0 1 1 0 8 0 amappl5 104 156 0 146 1 0 1 1 0 8 0 amappl4 96 374 0 354 1 0 1 1 0 8 0 amappl3 88 8239 0 8223 1 0 1 1 0 8 0 amappl2 80 33019 0 32951 4 2 2 3 0 8 0 amappl1 72 80101 0 79686 24 15 9 19 0 8 0 amappl 80 9563 0 9531 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 64 146 0 17 3 0 3 3 0 8 0 uaddrrnd 24 4182 0 4168 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4182 0 4168 1 0 1 1 0 8 0 vmmpekpl 168 24423 0 24398 2 0 2 2 0 8 0 vmmpepl 168 423877 0 422421 188 117 71 80 0 357 3 vmsppl 264 4181 0 4168 2 1 1 2 0 8 0 pdppl 4096 8370 0 8336 6 1 5 6 0 8 0 pvpl 32 1209054 0 1196972 359 218 141 227 0 265 39 pmappl 200 4181 0 4168 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 729 0 169 21 4 17 18 0 8 0