login: oLoLuvm_fault(0xfffffd803f013c60, 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(0xfffffd803f013c60, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff8000159f3f40, count: 0 ddb> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff8000009eb600,ffff8000159f3ff8,ffff8000159f3f50,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd8038e53a00,fffffd80363f6788,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd80363f6788,9,fffffd8038e53a00,0,0,ffff8000ffff5780) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd80363f6788,0,ffff8000159f41f0,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff5780,3,ffff8000159f42d0,0,ffff8000159f43e0) at sendit+0x53c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff5780,ffff8000159f4378,ffff8000159f43e0) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff8000159f4450) at syscall+0x511 Xsyscall(6,0,ffffffffffffffd8,0,6,336b458c010) at Xsyscall+0x128 end of kernel end trace frame: 0x338cb68cca0, count: -9 ddb> show registers rdi 0xffffffff81d28db7 arp_rtrequest+0x157 rsi 0x193 rbp 0xffff8000159f3ea0 rbx 0xffff80000005b690 rdx 0x194 rcx 0xdeaf4152deaf4152 rax 0xffff80000005b698 r8 0x40 r9 0x5 r10 0xffff80000098fdc0 r11 0x19b8902e3cdcd242 r12 0xffff800000172290 r13 0x2 r14 0xfffffd803056b628 r15 0x100000000 rip 0xffffffff81d28dbf arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000159f3e20 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> show proc PROC (syz-executor.0) pid=457099 stat=onproc flags process=0 proc=4000000 pri=79, usrpri=79, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff4718,0xffffffff82296ba0 process=0xffff8000ffff73c0 user=0xffff8000159ef000, vmspace=0xfffffd803f013c60 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 49943 305896 40155 0 2 0 syz-executor.0 *49943 457099 40155 0 7 0x4000000 syz-executor.0 47954 31361 1 0 3 0x100083 ttyin getty 46342 433818 0 0 3 0x14200 bored sosplice 10277 13815 23713 0 2 0x2 syz-executor.1 40155 451733 23713 0 3 0x82 nanosleep syz-executor.0 23713 504309 72910 0 3 0x82 thrsleep syz-fuzzer 23713 466874 72910 0 3 0x4000082 thrsleep syz-fuzzer 23713 44059 72910 0 3 0x4000082 thrsleep syz-fuzzer 23713 16920 72910 0 3 0x4000082 thrsleep syz-fuzzer 23713 8918 72910 0 3 0x4000082 kqread syz-fuzzer 23713 15803 72910 0 3 0x4000082 thrsleep syz-fuzzer 23713 273759 72910 0 3 0x4000082 thrsleep syz-fuzzer 72910 357834 26685 0 3 0x10008a pause ksh 26685 483543 88934 0 3 0x92 select sshd 88934 361135 1 0 3 0x80 select sshd 79269 62131 51729 73 2 0x100090 syslogd 51729 508021 1 0 3 0x100082 netio syslogd 58532 512487 1 77 3 0x100090 poll dhclient 89755 127773 1 0 3 0x80 poll dhclient 8150 246510 0 0 2 0x14200 zerothread 50801 369897 0 0 3 0x14200 aiodoned aiodoned 38495 322599 0 0 3 0x14200 syncer update 38683 322851 0 0 3 0x14200 cleaner cleaner 82849 352197 0 0 3 0x14200 reaper reaper 12199 116849 0 0 3 0x14200 pgdaemon pagedaemon 62626 86486 0 0 3 0x14200 bored crynlk 22143 430741 0 0 3 0x14200 bored crypto 26498 289545 0 0 3 0x40014200 acpi0 acpi0 15076 152995 0 0 3 0x14200 bored softnet 15759 338370 0 0 3 0x14200 bored systqmp 50142 108699 0 0 3 0x14200 bored systq 91222 98426 0 0 3 0x40014200 bored softclock 41315 469994 0 0 3 0x40014200 idle0 39511 5798 0 0 3 0x14200 bored smr 1 34385 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 9510 6353K 6739K 78643K 15410 0 0 pcb 24 9K 10K 78643K 1760 0 0 rtable 113 4K 4K 78643K 991 0 0 ifaddr 58 13K 14K 78643K 240 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 122 0 0 iov 0 0K 24K 78643K 353 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1215 76K 77K 78643K 6269 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 117 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 4461 0 0 sigio 0 0K 0K 78643K 42 0 0 proc 42 30K 54K 78643K 1401 0 0 subproc 32 2K 2K 78643K 44 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 269 0 0 in_multi 33 2K 2K 78643K 124 0 0 ether_multi 1 0K 0K 78643K 18 0 0 mrt 0 0K 0K 78643K 10 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 84 371K 371K 78643K 84 0 0 exec 0 0K 1K 78643K 423 0 0 pfkey data 0 0K 0K 78643K 2 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 88 20K 30K 78643K 12288 0 0 UVM aobj 117 3K 3K 78643K 126 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 141 0 0 NDP 12 0K 0K 78643K 64 0 0 temp 249 2716K 2787K 78643K 16433 0 0 kqueue 0 0K 0K 78643K 20 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 1169 0 1162 1 0 1 1 0 8 0 plimitpl 152 74 0 67 1 0 1 1 0 8 0 rtentry 112 57 0 12 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 50 0 50 1 1 0 1 0 8 0 tcpcb 544 405 0 401 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 ppxss 1128 37 0 37 16 16 0 1 0 8 0 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 45 0 4 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 7 2 1 1 1 0 8 0 semapl 112 115 0 105 1 0 1 1 0 8 0 shmpl 112 124 0 9 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 10485 0 8934 53 2 51 51 0 8 0 ffsino 240 10485 0 8934 92 0 92 92 0 8 0 nchpl 144 16918 0 15283 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 56187 0 56186 2 1 1 1 0 8 0 scsiplug 64 5 0 5 4 4 0 1 0 8 0 scxspl 192 48793 0 48793 22 21 1 7 0 8 1 sigapl 432 4634 0 4621 2 0 2 2 0 8 0 futexpl 56 64718 0 64718 1 0 1 1 0 8 1 knotepl 112 508 0 489 1 0 1 1 0 8 0 kqueuepl 104 678 0 676 1 0 1 1 0 8 0 pipepl 112 2634 0 2615 6 5 1 2 0 8 0 fdescpl 424 4635 0 4621 2 0 2 2 0 8 0 filepl 120 30749 0 30654 6 2 4 4 0 8 1 lockfpl 104 879 0 879 15 15 0 1 0 8 0 lockfspl 48 309 0 309 15 15 0 1 0 8 0 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 49 0 39 1 0 1 1 0 8 0 ucredpl 96 12974 0 12967 1 0 1 1 0 8 0 zombiepl 144 4621 0 4621 2 1 1 1 0 8 1 processpl 840 4650 0 4621 4 0 4 4 0 8 0 procpl 600 11486 0 11450 8 4 4 4 0 8 1 sosppl 128 28 0 28 9 9 0 1 0 8 0 sockpl 384 2774 0 2756 12 10 2 3 0 8 0 mcl64k 65536 1201 0 1201 159 159 0 65 0 8 0 mcl16k 16384 11 0 11 7 7 0 1 0 8 0 mcl12k 12288 52 0 52 15 15 0 1 0 8 0 mcl9k 9216 40 0 40 20 20 0 1 0 8 0 mcl8k 8192 619 0 619 18 17 1 1 0 8 1 mcl4k 4096 128 0 128 26 26 0 1 0 8 0 mcl2k2 2112 26 0 26 11 11 0 1 0 8 0 mcl2k 2048 56886 0 56841 17 10 7 12 0 8 0 mtagpl 80 12 0 12 6 6 0 1 0 8 0 mbufpl 256 115969 0 115826 89 79 10 38 0 8 0 bufpl 256 16421 0 11526 307 0 307 307 0 8 0 anonpl 16 365947 0 357181 181 144 37 53 0 62 0 amapchunkpl 152 21705 0 21624 80 76 4 17 0 158 0 amappl16 192 23180 0 22711 164 140 24 37 0 8 0 amappl14 176 2418 0 2414 2 1 1 1 0 8 0 amappl13 168 2051 0 2048 1 0 1 1 0 8 0 amappl12 160 8 0 8 3 3 0 1 0 8 0 amappl11 152 48 0 34 1 0 1 1 0 8 0 amappl10 144 66 0 65 2 1 1 1 0 8 0 amappl9 136 557 0 554 1 0 1 1 0 8 0 amappl8 128 149 0 127 1 0 1 1 0 8 0 amappl7 120 32 0 29 1 0 1 1 0 8 0 amappl6 112 52 0 45 1 0 1 1 0 8 0 amappl5 104 138 0 128 1 0 1 1 0 8 0 amappl4 96 4783 0 4757 1 0 1 1 0 8 0 amappl3 88 2708 0 2698 1 0 1 1 0 8 0 amappl2 80 38698 0 38630 4 2 2 3 0 8 0 amappl1 72 93666 0 93260 26 17 9 19 0 8 0 amappl 80 11731 0 11699 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 64 125 0 9 2 0 2 2 0 8 0 uaddrrnd 24 4635 0 4621 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4635 0 4621 1 0 1 1 0 8 0 vmmpekpl 168 31544 0 31522 2 0 2 2 0 8 0 vmmpepl 168 470248 0 468814 185 117 68 78 0 357 3 vmsppl 264 4634 0 4621 2 1 1 2 0 8 0 pdppl 4096 9276 0 9242 6 1 5 6 0 8 0 pvpl 32 1300760 0 1288939 400 284 116 139 0 265 17 pmappl 200 4634 0 4621 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 743 0 302 17 2 15 16 0 8 0