uvm_fault(0xfffffd803f00cb58, 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(0xfffffd803f00cb58, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff8000149e3ee0, count: 0 ddb> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff8000009ea800,ffff8000149e3f98,ffff8000149e3ef0,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd802c747300,fffffd80363dad88,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd80363dad88,9,fffffd802c747300,0,0,ffff800014916278) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd80363dad88,0,ffff8000149e4190,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff800014916278,3,ffff8000149e4270,0,ffff8000149e4380) at sendit+0x53c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800014916278,ffff8000149e4318,ffff8000149e4380) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff8000149e43f0) at syscall+0x511 Xsyscall(6,0,ffffffffffffffd8,0,6,b2008aa010) at Xsyscall+0x128 end of kernel end trace frame: 0xb44355fa80, count: -9 ddb> show registers rdi 0xffffffff817346a7 arp_rtrequest+0x157 rsi 0x193 rbp 0xffff8000149e3e40 rbx 0xffff80000005b970 rdx 0x194 rcx 0xdeaf4152deaf4152 rax 0xffff80000005b978 r8 0x40 r9 0x5 r10 0xffff80000098fac0 r11 0xb5801ba1fc5b8477 r12 0xffff8000001722a8 r13 0x2 r14 0xfffffd8030064468 r15 0x100000000 rip 0xffffffff817346af arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000149e3dc0 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> show proc PROC (syz-executor.1) pid=26853 stat=onproc flags process=0 proc=4000000 pri=80, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff800014917538,0xffffffff822c7180 process=0xffff8000ffff7a50 user=0xffff8000149df000, vmspace=0xfffffd803f00cb58 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 3555 219704 19147 0 2 0 syz-executor.1 * 3555 26853 19147 0 7 0x4000000 syz-executor.1 40697 502784 33369 0 2 0 syz-executor.0 40697 195950 33369 0 3 0x4000080 fsleep syz-executor.0 17529 300410 1 0 3 0x100083 ttyin getty 26976 419844 0 0 3 0x14200 bored sosplice 33369 229451 9725 0 3 0x82 nanosleep syz-executor.0 19147 422424 9725 0 3 0x82 nanosleep syz-executor.1 9725 481084 31713 0 3 0x82 kqread syz-fuzzer 9725 423228 31713 0 3 0x4000082 thrsleep syz-fuzzer 9725 437076 31713 0 3 0x4000082 thrsleep syz-fuzzer 9725 209463 31713 0 3 0x4000082 thrsleep syz-fuzzer 9725 454292 31713 0 3 0x4000082 thrsleep syz-fuzzer 9725 152905 31713 0 3 0x4000082 thrsleep syz-fuzzer 9725 216257 31713 0 3 0x4000082 thrsleep syz-fuzzer 31713 142897 34978 0 3 0x10008a pause ksh 34978 480326 67088 0 3 0x92 select sshd 67088 187130 1 0 3 0x80 select sshd 74431 280109 19586 73 2 0x100090 syslogd 19586 315510 1 0 3 0x100082 netio syslogd 13384 398790 1 77 3 0x100090 poll dhclient 95699 432543 1 0 3 0x80 poll dhclient 59480 375602 0 0 2 0x14200 zerothread 31091 336920 0 0 3 0x14200 aiodoned aiodoned 25571 499769 0 0 3 0x14200 syncer update 34866 365410 0 0 3 0x14200 cleaner cleaner 16191 401569 0 0 3 0x14200 reaper reaper 29358 185502 0 0 3 0x14200 pgdaemon pagedaemon 39602 116433 0 0 3 0x14200 bored crynlk 15101 521686 0 0 3 0x14200 bored crypto 90401 263825 0 0 3 0x40014200 acpi0 acpi0 4103 8302 0 0 3 0x14200 bored softnet 25468 48362 0 0 3 0x14200 bored systqmp 67289 223405 0 0 3 0x14200 bored systq 9105 15162 0 0 3 0x40014200 bored softclock 18728 384588 0 0 3 0x40014200 idle0 64467 276152 0 0 3 0x14200 bored smr 1 389089 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 9535 6492K 6878K 78643K 18121 0 0 pcb 26 9K 10K 78643K 1867 0 0 rtable 122 5K 5K 78643K 835 0 0 ifaddr 65 15K 15K 78643K 335 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 162 0 0 iov 0 0K 28K 78643K 463 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1199 75K 77K 78643K 4388 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 39 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 1K 78643K 300 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 25K 78643K 3973 0 0 sigio 1 0K 0K 78643K 38 0 0 proc 42 30K 46K 78643K 674 0 0 subproc 32 2K 2K 78643K 34 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 397 0 0 in_multi 33 2K 2K 78643K 218 0 0 ether_multi 1 0K 0K 78643K 35 0 0 mrt 0 0K 0K 78643K 8 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 96 424K 424K 78643K 96 0 0 exec 0 0K 1K 78643K 425 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 87 20K 38K 78643K 10122 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 0K 78643K 124 0 0 NDP 14 0K 0K 78643K 92 0 0 temp 192 2716K 3355K 78643K 14584 0 0 kqueue 0 0K 0K 78643K 26 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 1672 0 1665 1 0 1 1 0 8 0 plimitpl 152 126 0 119 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 544 653 0 649 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 ppxss 1128 61 0 60 11 10 1 1 0 8 0 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 30 0 10 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 298 0 288 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 8018 0 6564 47 0 47 47 0 8 0 ffsino 240 8018 0 6564 86 0 86 86 0 8 0 nchpl 144 13791 0 12164 61 0 61 61 0 8 0 uvmvnodes 72 6831 0 0 125 0 125 125 0 8 0 vnodes 200 6831 0 0 360 0 360 360 0 8 0 namei 1024 42403 0 42403 4 3 1 1 0 8 1 scsiplug 64 16 0 16 9 9 0 1 0 8 0 scxspl 192 41346 0 41346 21 18 3 6 0 8 3 sigapl 432 4145 0 4131 2 0 2 2 0 8 0 futexpl 56 60992 0 60991 3 2 1 1 0 8 0 knotepl 112 858 0 839 1 0 1 1 0 8 0 kqueuepl 104 968 0 966 1 0 1 1 0 8 0 pipepl 112 2382 0 2363 7 6 1 2 0 8 0 fdescpl 424 4146 0 4131 2 0 2 2 0 8 0 filepl 120 24484 0 24388 4 0 4 4 0 8 0 lockfpl 104 1389 0 1389 5 4 1 1 0 8 1 lockfspl 48 479 0 479 5 4 1 1 0 8 1 sessionpl 112 18 0 8 1 0 1 1 0 8 0 pgrppl 48 38 0 28 1 0 1 1 0 8 0 ucredpl 96 5738 0 5731 1 0 1 1 0 8 0 zombiepl 144 4131 0 4131 2 1 1 1 0 8 1 processpl 840 4161 0 4131 4 0 4 4 0 8 0 procpl 600 9291 0 9253 5 1 4 4 0 8 0 sosppl 128 62 0 62 15 15 0 1 0 8 0 sockpl 384 3292 0 3272 7 4 3 3 0 8 1 mcl64k 65536 1385 0 1385 105 104 1 33 0 8 1 mcl16k 16384 13 0 13 10 9 1 1 0 8 1 mcl12k 12288 66 0 66 15 14 1 1 0 8 1 mcl9k 9216 56 0 56 15 14 1 1 0 8 1 mcl8k 8192 64 0 64 16 15 1 1 0 8 1 mcl4k 4096 151 0 151 11 11 0 1 0 8 0 mcl2k2 2112 32 0 32 12 12 0 1 0 8 0 mcl2k 2048 59407 0 59364 15 9 6 11 0 8 0 mtagpl 80 12 0 12 5 5 0 1 0 8 0 mbufpl 256 116613 0 116528 54 47 7 21 0 8 0 bufpl 256 16582 0 9757 428 0 428 428 0 8 1 anonpl 16 356630 0 346619 177 135 42 57 0 62 0 amapchunkpl 152 17593 0 17505 69 65 4 18 0 158 0 amappl16 192 21044 0 20496 142 113 29 40 0 8 0 amappl15 184 2 0 1 1 0 1 1 0 8 0 amappl14 176 42 0 39 2 1 1 1 0 8 0 amappl12 160 14 0 13 2 1 1 1 0 8 0 amappl11 152 2005 0 1989 1 0 1 1 0 8 0 amappl10 144 2046 0 2043 2 1 1 1 0 8 0 amappl9 136 550 0 547 1 0 1 1 0 8 0 amappl8 128 136 0 115 1 0 1 1 0 8 0 amappl7 120 1995 0 1991 1 0 1 1 0 8 0 amappl6 112 2017 0 2009 1 0 1 1 0 8 0 amappl5 104 160 0 149 1 0 1 1 0 8 0 amappl4 96 4291 0 4265 1 0 1 1 0 8 0 amappl3 88 299 0 289 1 0 1 1 0 8 0 amappl2 80 32422 0 32348 4 2 2 3 0 8 0 amappl1 72 79425 0 79005 26 17 9 19 0 8 0 amappl 80 9545 0 9510 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 4146 0 4131 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4146 0 4131 1 0 1 1 0 8 0 vmmpekpl 168 24737 0 24712 2 0 2 2 0 8 0 vmmpepl 168 415988 0 414379 175 102 73 82 0 357 2 vmsppl 264 4145 0 4131 2 1 1 2 0 8 0 pdppl 4096 8299 0 8262 6 1 5 6 0 8 0 pvpl 32 1118301 0 1105120 397 284 113 235 0 265 5 pmappl 200 4145 0 4131 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 755 0 201 18 0 18 18 0 8 0