uvm_fault(0xfffffd803f00b000, 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(0xfffffd803f00b000, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff80001495b670, count: 0 ddb> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff800000a16e00,ffff80001495b728,ffff80001495b680,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd803505f700,fffffd80398bd780,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd80398bd780,9,fffffd803505f700,0,0,ffff800014951790) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd80398bd780,0,ffff80001495b920,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff800014951790,3,ffff80001495ba00,0,ffff80001495bb10) at sendit+0x53c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800014951790,ffff80001495baa8,ffff80001495bb10) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff80001495bb80) at syscall+0x511 Xsyscall(6,0,ffffffffffffffd8,0,6,5e4fdf4c010) at Xsyscall+0x128 end of kernel end trace frame: 0x5e7cc257090, count: -9 ddb> show registers rdi 0xffffffff812f5717 arp_rtrequest+0x157 rsi 0x178 rbp 0xffff80001495b5d0 rbx 0xffff80000005be80 rdx 0x179 rcx 0xdeaf4152deaf4152 rax 0xffff80000005be88 r8 0x40 r9 0x5 r10 0xffff800000994840 r11 0x54a76650755bcb99 r12 0xffff8000001722a8 r13 0x2 r14 0xfffffd803d34f7e8 r15 0x100000000 rip 0xffffffff812f571f arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001495b550 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> show proc PROC (syz-executor.1) pid=52210 stat=onproc flags process=0 proc=4000000 pri=82, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff800014951c40,0xffffffff822ccf20 process=0xffff8000ffff7078 user=0xffff800014956000, vmspace=0xfffffd803f00b000 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 98504 86202 12455 0 2 0 syz-executor.1 *98504 52210 12455 0 7 0x4000000 syz-executor.1 72911 488978 1 0 3 0x100083 ttyin getty 12455 329730 67466 0 3 0x82 nanosleep syz-executor.1 8210 126794 67466 0 2 0x2 syz-executor.0 93944 350275 0 0 3 0x14200 bored sosplice 67466 223824 42569 0 3 0x82 thrsleep syz-fuzzer 67466 141747 42569 0 3 0x4000082 nanosleep syz-fuzzer 67466 249366 42569 0 3 0x4000082 thrsleep syz-fuzzer 67466 79063 42569 0 3 0x4000082 kqread syz-fuzzer 67466 419743 42569 0 3 0x4000082 thrsleep syz-fuzzer 67466 96233 42569 0 3 0x4000082 thrsleep syz-fuzzer 67466 457272 42569 0 3 0x4000082 thrsleep syz-fuzzer 67466 104753 42569 0 3 0x4000082 thrsleep syz-fuzzer 42569 163275 67821 0 3 0x10008a pause ksh 67821 5622 28701 0 3 0x92 select sshd 28701 336165 1 0 3 0x80 select sshd 90184 317900 35239 73 2 0x100090 syslogd 35239 504351 1 0 3 0x100082 netio syslogd 40864 153658 1 77 3 0x100090 poll dhclient 4674 393780 1 0 3 0x80 poll dhclient 48034 354415 0 0 2 0x14200 zerothread 43742 105912 0 0 3 0x14200 aiodoned aiodoned 84761 79756 0 0 3 0x14200 syncer update 58710 461551 0 0 3 0x14200 cleaner cleaner 37370 165983 0 0 3 0x14200 reaper reaper 63833 103601 0 0 3 0x14200 pgdaemon pagedaemon 4417 273320 0 0 3 0x14200 bored crynlk 65592 200712 0 0 3 0x14200 bored crypto 69921 102272 0 0 3 0x40014200 acpi0 acpi0 83010 257491 0 0 3 0x14200 bored softnet 82301 501853 0 0 3 0x14200 bored systqmp 14324 240378 0 0 3 0x14200 bored systq 90167 185992 0 0 3 0x40014200 bored softclock 55250 455906 0 0 3 0x40014200 idle0 75818 102912 0 0 3 0x14200 bored smr 1 108882 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 9590 6516K 14835K 78643K 40688 0 0 pcb 24 9K 11K 78643K 7233 0 0 rtable 129 5K 5K 78643K 2112 0 0 ifaddr 81 19K 19K 78643K 808 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 536 0 0 iov 0 0K 32K 78643K 1750 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1198 75K 77K 78643K 13534 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 174 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 1K 1K 78643K 972 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 14985 0 0 sigio 0 0K 0K 78643K 253 0 0 proc 42 30K 54K 78643K 1971 0 0 subproc 32 2K 2K 78643K 78 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 1428 0 0 in_multi 33 2K 2K 78643K 465 0 0 ether_multi 1 0K 0K 78643K 59 0 0 mrt 0 0K 0K 78643K 16 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 1228 0 0 pfkey data 0 0K 4K 78643K 10 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 93 21K 38K 78643K 35718 0 0 UVM aobj 130 4K 4K 78643K 160 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 663 0 0 NDP 19 0K 0K 78643K 234 0 0 temp 229 2716K 3356K 78643K 46501 0 0 kqueue 0 0K 0K 78643K 135 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 10 0 4 1 0 1 1 0 8 0 inpcbpl 280 6088 0 6081 3 2 1 2 0 8 0 plimitpl 152 353 0 346 1 0 1 1 0 8 0 rtentry 112 136 0 88 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpcb 544 2227 0 2223 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 12 0 6 1 0 1 1 0 8 0 swfcl 56 1 0 0 1 0 1 1 0 8 0 ppxss 1128 169 0 168 31 30 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 330 0 98 15 0 15 15 0 8 0 art_table 32 331 0 98 2 0 2 2 0 8 0 art_node 16 71 0 29 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 5 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 970 0 960 1 0 1 1 0 8 0 shmpl 112 158 0 30 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 25909 0 24264 54 0 54 54 0 8 0 ffsino 240 25909 0 24264 97 0 97 97 0 8 0 nchpl 144 47011 0 45390 61 0 61 61 0 8 0 uvmvnodes 72 5940 0 0 108 0 108 108 0 8 0 vnodes 200 5940 0 0 313 0 313 313 0 8 0 namei 1024 147590 0 147590 2 1 1 1 0 8 1 scsiplug 64 26 0 26 21 21 0 1 0 8 0 scxspl 192 151904 0 151904 57 56 1 6 0 8 1 sigapl 432 15159 0 15146 2 0 2 2 0 8 0 futexpl 56 228501 0 228501 2 1 1 1 0 8 1 knotepl 112 2603 0 2584 1 0 1 1 0 8 0 kqueuepl 104 3414 0 3412 1 0 1 1 0 8 0 pipepl 112 8494 0 8475 18 16 2 2 0 8 1 fdescpl 424 15160 0 15146 2 0 2 2 0 8 0 filepl 120 88420 0 88325 13 8 5 5 0 8 2 lockfpl 104 5111 0 5111 4 3 1 1 0 8 1 lockfspl 48 1725 0 1725 4 3 1 1 0 8 1 sessionpl 112 28 0 18 1 0 1 1 0 8 0 pgrppl 48 188 0 178 1 0 1 1 0 8 0 ucredpl 96 20298 0 20291 1 0 1 1 0 8 0 zombiepl 144 15146 0 15146 3 2 1 1 0 8 1 processpl 840 15175 0 15146 4 0 4 4 0 8 0 procpl 600 34327 0 34290 5 1 4 4 0 8 0 sosppl 128 183 0 183 48 47 1 1 0 8 1 sockpl 384 12446 0 12428 11 8 3 4 0 8 1 mcl64k 65536 1616 0 1616 159 158 1 33 0 8 1 mcl16k 16384 41 0 41 33 33 0 1 0 8 0 mcl12k 12288 253 0 253 47 46 1 1 0 8 1 mcl9k 9216 201 0 201 52 51 1 1 0 8 1 mcl8k 8192 185 0 185 52 52 0 1 0 8 0 mcl4k 4096 542 0 542 21 21 0 1 0 8 0 mcl2k2 2112 87 0 87 39 38 1 1 0 8 1 mcl2k 2048 76475 0 76434 23 17 6 11 0 8 0 mtagpl 80 12 0 11 6 5 1 1 0 8 0 mbufpl 256 192962 0 192905 88 83 5 20 0 8 0 bufpl 256 42297 0 36357 372 0 372 372 0 8 0 anonpl 16 1242185 0 1232278 458 416 42 72 0 62 0 amapchunkpl 152 60881 0 60796 141 136 5 23 0 158 0 amappl16 192 77669 0 77128 450 421 29 51 0 8 1 amappl15 184 1026 0 1026 1 1 0 1 0 8 0 amappl14 176 1073 0 1072 2 1 1 1 0 8 0 amappl13 168 6904 0 6902 3 2 1 1 0 8 0 amappl12 160 7009 0 7005 1 0 1 1 0 8 0 amappl11 152 62 0 47 1 0 1 1 0 8 0 amappl10 144 83 0 81 2 1 1 1 0 8 0 amappl9 136 586 0 581 1 0 1 1 0 8 0 amappl8 128 164 0 143 1 0 1 1 0 8 0 amappl7 120 38 0 34 1 0 1 1 0 8 0 amappl6 112 61 0 53 1 0 1 1 0 8 0 amappl5 104 7156 0 7146 1 0 1 1 0 8 0 amappl4 96 14368 0 14346 1 0 1 1 0 8 0 amappl3 88 2707 0 2696 1 0 1 1 0 8 0 amappl2 80 127331 0 127264 4 2 2 3 0 8 0 amappl1 72 264097 0 263685 26 17 9 19 0 8 0 amappl 80 34688 0 34655 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 64 159 0 30 3 0 3 3 0 8 0 uaddrrnd 24 15160 0 15146 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 15160 0 15146 1 0 1 1 0 8 0 vmmpekpl 168 92309 0 92287 2 0 2 2 0 8 0 vmmpepl 168 1509364 0 1507845 410 337 73 91 0 357 3 vmsppl 264 15159 0 15146 3 2 1 2 0 8 0 pdppl 4096 30327 0 30292 6 1 5 6 0 8 0 pvpl 32 3763310 0 3750238 836 723 113 243 0 265 5 pmappl 200 15159 0 15146 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 875 0 368 16 0 16 16 0 8 0