uvm_fault(0xfffffd803f00cc60, 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(0xfffffd803f00cc60, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff8000149d65f0, count: 0 ddb> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff800000a17200,ffff8000149d66a8,ffff8000149d6600,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd8032249800,fffffd80363f2d88,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd80363f2d88,9,fffffd8032249800,0,0,ffff800015a0f788) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd80363f2d88,0,ffff8000149d68a0,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff800015a0f788,3,ffff8000149d6980,0,ffff8000149d6a90) at sendit+0x53c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800015a0f788,ffff8000149d6a28,ffff8000149d6a90) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff8000149d6b00) at syscall+0x511 Xsyscall(6,0,ffffffffffffffd8,0,6,691884c5010) at Xsyscall+0x128 end of kernel end trace frame: 0x6945d854d00, count: -9 ddb> show registers rdi 0xffffffff817346a7 arp_rtrequest+0x157 rsi 0x195 rbp 0xffff8000149d6550 rbx 0xffff800000025420 rdx 0x196 rcx 0xdeafbeaddeafbead rax 0xffff800000025428 r8 0x40 r9 0x5 r10 0xffff8000009858c0 r11 0xfc07939eafdadec5 r12 0xffff8000001722a8 r13 0x2 r14 0xfffffd80346b14d8 r15 0x100000000 rip 0xffffffff817346af arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000149d64d0 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> show proc PROC (syz-executor.0) pid=278040 stat=onproc flags process=0 proc=4000000 pri=79, usrpri=79, nice=20 forw=0xffffffffffffffff, list=0xffff800015a0e018,0xffffffff822c7180 process=0xffff800014952360 user=0xffff8000149d1000, vmspace=0xfffffd803f00cc60 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 51616 82946 84252 0 2 0 syz-executor.0 *51616 278040 84252 0 7 0x4000000 syz-executor.0 62649 21998 1 0 3 0x100083 ttyin getty 37476 501410 85624 0 2 0x2 syz-executor.1 84252 190552 85624 0 3 0x82 nanosleep syz-executor.0 22540 373107 0 0 3 0x14200 bored sosplice 85624 254191 48430 0 3 0x82 thrsleep syz-fuzzer 85624 311428 48430 0 3 0x4000082 nanosleep syz-fuzzer 85624 182820 48430 0 3 0x4000082 thrsleep syz-fuzzer 85624 194406 48430 0 3 0x4000082 thrsleep syz-fuzzer 85624 84088 48430 0 3 0x4000082 thrsleep syz-fuzzer 85624 51553 48430 0 3 0x4000082 kqread syz-fuzzer 85624 89385 48430 0 3 0x4000082 thrsleep syz-fuzzer 85624 403898 48430 0 3 0x4000082 thrsleep syz-fuzzer 48430 185568 44375 0 3 0x10008a pause ksh 44375 171042 64995 0 3 0x92 select sshd 64995 30569 1 0 3 0x80 select sshd 29130 223288 53557 73 2 0x100090 syslogd 53557 43174 1 0 3 0x100082 netio syslogd 6904 104192 1 77 3 0x100090 poll dhclient 74872 115429 1 0 3 0x80 poll dhclient 86240 90267 0 0 2 0x14200 zerothread 3044 501293 0 0 3 0x14200 aiodoned aiodoned 72077 69945 0 0 3 0x14200 syncer update 58950 98719 0 0 3 0x14200 cleaner cleaner 22569 422878 0 0 3 0x14200 reaper reaper 48441 469416 0 0 3 0x14200 pgdaemon pagedaemon 46109 430324 0 0 3 0x14200 bored crynlk 13823 215672 0 0 3 0x14200 bored crypto 54673 283350 0 0 3 0x40014200 acpi0 acpi0 75344 320481 0 0 3 0x14200 bored softnet 5480 375263 0 0 3 0x14200 bored systqmp 7826 91153 0 0 3 0x14200 bored systq 33135 400994 0 0 3 0x40014200 bored softclock 168 78613 0 0 3 0x40014200 idle0 52224 243206 0 0 3 0x14200 bored smr 1 332675 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 9539 6381K 14673K 78643K 30829 0 0 pcb 24 9K 11K 78643K 5081 0 0 rtable 162 7K 7K 78643K 2513 0 0 ifaddr 65 17K 18K 78643K 947 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 437 0 0 iov 0 0K 32K 78643K 1355 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1193 75K 77K 78643K 10272 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 132 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 1K 1K 78643K 722 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 11222 0 0 sigio 0 0K 0K 78643K 159 0 0 proc 42 30K 55K 78643K 1860 0 0 subproc 32 2K 2K 78643K 254 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 1046 0 0 in_multi 33 2K 2K 78643K 503 0 0 ether_multi 1 0K 0K 78643K 55 0 0 mrt 0 0K 0K 78643K 28 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 126 556K 556K 78643K 126 0 0 exec 0 0K 1K 78643K 1070 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 30K 78643K 27158 0 0 UVM aobj 130 8K 8K 78643K 153 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 448 0 0 NDP 14 0K 0K 78643K 264 0 0 temp 197 2716K 3355K 78643K 36635 0 0 kqueue 0 0K 0K 78643K 101 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 30 0 24 1 0 1 1 0 8 0 inpcbpl 280 4631 0 4622 5 4 1 2 0 8 0 plimitpl 152 275 0 268 1 0 1 1 0 8 0 rtentry 112 245 0 190 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 544 1674 0 1670 1 0 1 1 0 8 0 ipq 40 2 0 2 1 1 0 1 0 8 0 ipqe 40 4 0 4 1 1 0 1 0 8 0 nd6 48 42 0 36 3 2 1 1 0 8 0 swfcl 56 1 0 0 1 0 1 1 0 8 0 ppxss 1128 180 0 180 39 38 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 767 0 570 20 7 13 13 0 8 0 art_table 32 768 0 570 2 0 2 2 0 8 0 art_node 16 187 0 146 1 0 1 1 0 8 0 sysvmsgpl 40 25 0 13 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 718 0 708 1 0 1 1 0 8 0 shmpl 112 151 0 23 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 20044 0 18507 50 0 50 50 0 8 0 ffsino 240 20044 0 18507 91 0 91 91 0 8 0 nchpl 144 35651 0 34032 61 0 61 61 0 8 0 uvmvnodes 72 6808 0 0 124 0 124 124 0 8 0 vnodes 200 6808 0 0 359 0 359 359 0 8 0 namei 1024 112004 0 112004 9 8 1 1 0 8 1 scsiplug 64 18 0 18 16 16 0 1 0 8 0 scxspl 192 124240 0 124240 44 43 1 6 0 8 1 sigapl 432 11368 0 11355 2 0 2 2 0 8 0 futexpl 56 169885 0 169885 9 8 1 1 0 8 1 knotepl 112 2304 0 2285 2 1 1 2 0 8 0 kqueuepl 104 2560 0 2558 1 0 1 1 0 8 0 pipepl 112 6474 0 6455 12 11 1 2 0 8 0 fdescpl 424 11369 0 11355 2 0 2 2 0 8 0 filepl 120 66326 0 66231 13 9 4 5 0 8 0 lockfpl 104 3778 0 3778 11 10 1 1 0 8 1 lockfspl 48 1301 0 1301 11 10 1 1 0 8 1 sessionpl 112 40 0 30 1 0 1 1 0 8 0 pgrppl 48 170 0 160 1 0 1 1 0 8 0 ucredpl 96 15318 0 15311 1 0 1 1 0 8 0 zombiepl 144 11355 0 11355 5 4 1 1 0 8 1 processpl 840 11384 0 11355 4 0 4 4 0 8 0 procpl 600 25436 0 25399 4 0 4 4 0 8 0 sosppl 128 140 0 140 33 33 0 1 0 8 0 sockpl 384 9081 0 9063 15 12 3 4 0 8 1 mcl64k 65536 2794 0 2794 258 257 1 65 0 8 1 mcl16k 16384 38 0 38 28 28 0 1 0 8 0 mcl12k 12288 210 0 210 36 35 1 1 0 8 1 mcl9k 9216 157 0 157 35 34 1 1 0 8 1 mcl8k 8192 122 0 122 38 37 1 1 0 8 1 mcl4k 4096 393 0 393 25 24 1 1 0 8 1 mcl2k2 2112 54 0 54 25 25 0 1 0 8 0 mcl2k 2048 70480 0 70440 15 9 6 10 0 8 0 mtagpl 80 16 0 16 5 5 0 1 0 8 0 mbufpl 256 169664 0 169600 133 125 8 37 0 8 0 bufpl 256 33997 0 27139 430 1 429 429 0 8 0 anonpl 16 970218 0 960420 293 245 48 63 0 62 0 amapchunkpl 152 48433 0 48348 133 124 9 18 0 158 4 amappl16 192 58164 0 57622 333 304 29 41 0 8 1 amappl15 184 1338 0 1338 3 3 0 1 0 8 0 amappl14 176 1375 0 1372 2 1 1 1 0 8 0 amappl13 168 1 0 1 1 1 0 1 0 8 0 amappl12 160 3250 0 3248 1 0 1 1 0 8 0 amappl11 152 6557 0 6538 1 0 1 1 0 8 0 amappl10 144 106 0 105 2 1 1 1 0 8 0 amappl9 136 691 0 688 1 0 1 1 0 8 0 amappl8 128 240 0 221 1 0 1 1 0 8 0 amappl7 120 87 0 80 1 0 1 1 0 8 0 amappl6 112 6476 0 6467 1 0 1 1 0 8 0 amappl5 104 3556 0 3546 1 0 1 1 0 8 0 amappl4 96 9339 0 9315 1 0 1 1 0 8 0 amappl3 88 3183 0 3171 1 0 1 1 0 8 0 amappl2 80 89893 0 89827 4 2 2 3 0 8 0 amappl1 72 203765 0 203362 41 32 9 19 0 8 0 amappl 80 25944 0 25911 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 64 152 0 23 3 0 3 3 0 8 0 uaddrrnd 24 11369 0 11355 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 11369 0 11355 1 0 1 1 0 8 0 vmmpekpl 168 65412 0 65390 2 0 2 2 0 8 0 vmmpepl 168 1121605 0 1120094 346 275 71 95 0 357 1 vmsppl 264 11368 0 11355 8 7 1 2 0 8 0 pdppl 4096 22745 0 22710 10 5 5 6 0 8 0 pvpl 32 3042391 0 3029458 861 659 202 251 0 265 83 pmappl 200 11368 0 11355 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 1064 0 503 22 5 17 19 0 8 0