uvm_fault(0xfffffd803f014000, 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(0xfffffd803f014000, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff800016be3f50, count: 0 ddb> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff800000a06400,ffff800016be4008,ffff800016be3f60,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd8038ba1300,fffffd803ead3780,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd803ead3780,9,fffffd8038ba1300,0,0,ffff800016bee720) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd803ead3780,0,ffff800016be4200,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff800016bee720,3,ffff800016be42e0,0,ffff800016be43f0) at sendit+0x53c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800016bee720,ffff800016be4388,ffff800016be43f0) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff800016be4460) at syscall+0x511 Xsyscall(6,0,ffffffffffffffd8,0,6,1b46cbfc010) at Xsyscall+0x128 end of kernel end trace frame: 0x1b707314a10, count: -9 ddb> show registers rdi 0xffffffff81118587 arp_rtrequest+0x157 rsi 0x19a rbp 0xffff800016be3eb0 rbx 0xffff800000a41e70 rdx 0x19b rcx 0xdeafbeaddeafbead rax 0xffff800000a41e78 r8 0x40 r9 0x5 r10 0xffff800000994b80 r11 0xeca6afb41d5475f6 r12 0xffff8000001722a8 r13 0x2 r14 0xfffffd8030015158 r15 0x100000000 rip 0xffffffff8111858f arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800016be3e30 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> show proc PROC (syz-executor.0) pid=267546 stat=onproc flags process=0 proc=4000000 pri=75, usrpri=75, nice=20 forw=0xffffffffffffffff, list=0xffff800016bef530,0xffffffff822a64e0 process=0xffff8000ffff7708 user=0xffff800016bdf000, vmspace=0xfffffd803f014000 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 68646 225193 67673 0 2 0 syz-executor.0 *68646 267546 67673 0 7 0x4000000 syz-executor.0 35491 417479 1 0 3 0x100083 ttyin getty 13333 198415 0 0 3 0x14200 bored sosplice 67673 378272 59348 0 2 0x482 syz-executor.0 25116 318058 59348 0 3 0x2 biowait syz-executor.1 59348 128356 38134 0 3 0x82 thrsleep syz-fuzzer 59348 492566 38134 0 2 0x4000482 syz-fuzzer 59348 214506 38134 0 3 0x4000082 thrsleep syz-fuzzer 59348 333698 38134 0 3 0x4000082 thrsleep syz-fuzzer 59348 518451 38134 0 3 0x4000082 kqread syz-fuzzer 59348 6056 38134 0 3 0x4000082 thrsleep syz-fuzzer 59348 288575 38134 0 3 0x4000082 thrsleep syz-fuzzer 38134 499936 64247 0 3 0x10008a pause ksh 64247 13073 88971 0 3 0x92 select sshd 88971 110650 1 0 3 0x80 select sshd 34986 458486 59586 73 2 0x100090 syslogd 59586 23765 1 0 3 0x100082 netio syslogd 84828 158265 1 77 3 0x100090 poll dhclient 15094 288234 1 0 3 0x80 poll dhclient 9177 402783 0 0 2 0x14200 zerothread 66497 368077 0 0 3 0x14200 aiodoned aiodoned 47351 65580 0 0 3 0x14200 syncer update 22053 158396 0 0 3 0x14200 cleaner cleaner 90070 172268 0 0 3 0x14200 reaper reaper 57018 410417 0 0 3 0x14200 pgdaemon pagedaemon 91795 452704 0 0 3 0x14200 bored crynlk 83162 321883 0 0 3 0x14200 bored crypto 53127 64993 0 0 3 0x40014200 acpi0 acpi0 91865 136433 0 0 3 0x14200 bored softnet 84406 206632 0 0 3 0x14200 bored systqmp 53440 447855 0 0 3 0x14200 bored systq 84904 454540 0 0 3 0x40014200 bored softclock 55478 329178 0 0 3 0x40014200 idle0 84662 31928 0 0 3 0x14200 bored smr 1 293726 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 9555 6505K 7522K 78643K 27764 0 0 pcb 24 9K 11K 78643K 4208 0 0 rtable 172 7K 7K 78643K 2143 0 0 ifaddr 68 17K 19K 78643K 762 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 345 0 0 iov 0 0K 24K 78643K 1023 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1210 76K 77K 78643K 8280 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 9K 78643K 93 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 574 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 8325 0 0 sigio 0 0K 0K 78643K 111 0 0 proc 42 30K 54K 78643K 1141 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 844 0 0 in_multi 33 2K 2K 78643K 305 0 0 ether_multi 1 0K 0K 78643K 37 0 0 mrt 0 0K 0K 78643K 25 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 114 503K 503K 78643K 114 0 0 exec 0 0K 1K 78643K 754 0 0 pfkey data 0 0K 0K 78643K 3 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 86 20K 39K 78643K 20290 0 0 UVM aobj 130 4K 4K 78643K 139 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 323 0 0 NDP 15 0K 0K 78643K 205 0 0 temp 280 2717K 3355K 78643K 27814 0 0 kqueue 0 0K 0K 78643K 61 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 3334 0 3327 2 1 1 2 0 8 0 plimitpl 152 237 0 230 1 0 1 1 0 8 0 rtentry 112 99 0 39 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 1257 0 1253 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 swfcl 56 1 0 0 1 0 1 1 0 8 0 ppxss 1128 146 0 146 23 22 1 1 0 8 1 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 60 0 19 1 0 1 1 0 8 0 sysvmsgpl 40 20 0 4 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 572 0 562 1 0 1 1 0 8 0 shmpl 112 137 0 9 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 15393 0 13889 50 1 49 49 0 8 0 ffsino 240 15393 0 13889 89 0 89 89 0 8 0 nchpl 144 27138 0 25512 61 0 61 61 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 200 5926 0 0 312 0 312 312 0 8 0 namei 1024 84863 0 84863 2 1 1 1 0 8 1 scsiplug 64 19 0 19 13 13 0 1 0 8 0 scxspl 192 89098 0 89097 39 38 1 5 0 8 0 sigapl 432 8499 0 8486 2 0 2 2 0 8 0 futexpl 56 129978 0 129978 1 0 1 1 0 8 1 knotepl 112 1444 0 1425 1 0 1 1 0 8 0 kqueuepl 104 1853 0 1851 1 0 1 1 0 8 0 pipepl 112 4946 0 4927 15 14 1 2 0 8 0 fdescpl 424 8500 0 8486 2 0 2 2 0 8 0 filepl 120 50806 0 50711 10 6 4 5 0 8 1 lockfpl 104 3061 0 3061 2 1 1 1 0 8 1 lockfspl 48 1032 0 1032 2 1 1 1 0 8 1 sessionpl 112 20 0 10 1 0 1 1 0 8 0 pgrppl 48 96 0 86 1 0 1 1 0 8 0 ucredpl 96 11970 0 11963 1 0 1 1 0 8 0 zombiepl 144 8486 0 8486 2 1 1 1 0 8 1 processpl 840 8515 0 8486 4 0 4 4 0 8 0 procpl 600 19247 0 19211 4 0 4 4 0 8 0 sosppl 128 121 0 121 24 23 1 1 0 8 1 sockpl 384 7072 0 7054 8 5 3 4 0 8 1 mcl64k 65536 1757 0 1757 176 112 64 64 0 8 64 mcl16k 16384 24 0 24 18 18 0 1 0 8 0 mcl12k 12288 151 0 151 18 17 1 1 0 8 1 mcl9k 9216 95 0 95 30 29 1 1 0 8 1 mcl8k 8192 97 0 97 20 19 1 1 0 8 1 mcl4k 4096 330 0 330 8 7 1 1 0 8 1 mcl2k2 2112 43 0 43 19 19 0 1 0 8 0 mcl2k 2048 66791 0 66739 25 17 8 12 0 8 1 mtagpl 80 8 0 5 3 2 1 1 0 8 0 mbufpl 256 149842 0 149757 103 86 17 43 0 8 8 bufpl 256 29926 0 23860 382 2 380 380 0 8 0 anonpl 16 704997 0 694922 252 194 58 58 0 62 16 amapchunkpl 152 34203 0 34108 96 91 5 18 0 158 0 amappl16 192 48727 0 48186 239 203 36 40 0 8 8 amappl15 184 1 0 1 1 1 0 1 0 8 0 amappl14 176 34 0 33 2 1 1 1 0 8 0 amappl13 168 4117 0 4115 1 0 1 1 0 8 0 amappl12 160 17 0 16 1 0 1 1 0 8 0 amappl11 152 59 0 44 1 0 1 1 0 8 0 amappl10 144 75 0 72 1 0 1 1 0 8 0 amappl9 136 500 0 497 1 0 1 1 0 8 0 amappl8 128 135 0 118 1 0 1 1 0 8 0 amappl7 120 31 0 28 1 0 1 1 0 8 0 amappl6 112 56 0 46 1 0 1 1 0 8 0 amappl5 104 290 0 280 1 0 1 1 0 8 0 amappl4 96 8712 0 8688 1 0 1 1 0 8 0 amappl3 88 563 0 552 1 0 1 1 0 8 0 amappl2 80 71920 0 71853 4 2 2 3 0 8 0 amappl1 72 155163 0 154754 25 15 10 19 0 8 0 amappl 80 19532 0 19497 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 64 138 0 9 3 0 3 3 0 8 0 uaddrrnd 24 8500 0 8486 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 8500 0 8486 1 0 1 1 0 8 0 vmmpekpl 168 60790 0 60767 2 0 2 2 0 8 0 vmmpepl 168 827335 0 825828 228 148 80 81 0 357 12 vmsppl 264 8499 0 8486 2 1 1 2 0 8 0 pdppl 4096 17006 0 16972 6 1 5 6 0 8 0 pvpl 32 2058067 0 2044918 526 353 173 201 0 265 65 pmappl 200 8499 0 8486 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 849 0 265 21 3 18 18 0 8 0