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: 0xffff8000149ca510, count: 0 ddb> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff8000009da400,ffff8000149ca5c8,ffff8000149ca520,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd80354b4300,fffffd803ca2b610,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd803ca2b610,9,fffffd80354b4300,0,0,ffff8000ffff8008) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd803ca2b610,0,ffff8000149ca7c0,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff8008,3,ffff8000149ca8a0,0,ffff8000149ca9b0) at sendit+0x53c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff8008,ffff8000149ca948,ffff8000149ca9b0) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff8000149caa20) at syscall+0x511 Xsyscall(6,0,ffffffffffffffd8,0,6,e962fa0c010) at Xsyscall+0x128 end of kernel end trace frame: 0xe98a5674110, count: -9 ddb> show registers rdi 0xffffffff817346a7 arp_rtrequest+0x157 rsi 0x195 rbp 0xffff8000149ca470 rbx 0xffff800000025240 rdx 0x196 rcx 0xdeafbeaddeafbead rax 0xffff800000025248 r8 0x40 r9 0x5 r10 0xffff800000996880 r11 0xeabe3937c88b613a r12 0xffff8000001722a8 r13 0x2 r14 0xfffffd803cbd28c8 r15 0x100000000 rip 0xffffffff817346af arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000149ca3f0 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> show proc PROC (syz-executor.0) pid=335362 stat=onproc flags process=0 proc=4000000 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff9778,0xffffffff822c7180 process=0xffff8000ffff73c0 user=0xffff8000149c5000, 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 50644 36198 92793 0 2 0 syz-executor.0 *50644 335362 92793 0 7 0x4000000 syz-executor.0 89096 233181 1 0 3 0x100083 ttyin getty 67005 89484 0 0 3 0x14200 bored sosplice 92793 162012 30601 0 3 0x82 nanosleep syz-executor.0 49966 474405 30601 0 2 0x2 syz-executor.1 30601 362810 22449 0 3 0x82 thrsleep syz-fuzzer 30601 121409 22449 0 3 0x4000082 nanosleep syz-fuzzer 30601 72619 22449 0 3 0x4000082 thrsleep syz-fuzzer 30601 503992 22449 0 3 0x4000082 thrsleep syz-fuzzer 30601 46400 22449 0 3 0x4000082 thrsleep syz-fuzzer 30601 47354 22449 0 3 0x4000082 kqread syz-fuzzer 30601 406968 22449 0 3 0x4000082 thrsleep syz-fuzzer 22449 217591 10128 0 3 0x10008a pause ksh 10128 172581 57320 0 3 0x92 select sshd 57320 424654 1 0 3 0x80 select sshd 80133 339781 62615 73 2 0x100090 syslogd 62615 402968 1 0 3 0x100082 netio syslogd 18490 176634 1 77 3 0x100090 poll dhclient 85620 195589 1 0 3 0x80 poll dhclient 58765 384497 0 0 2 0x14200 zerothread 11812 504268 0 0 3 0x14200 aiodoned aiodoned 23086 410330 0 0 3 0x14200 syncer update 65329 205432 0 0 3 0x14200 cleaner cleaner 23541 99247 0 0 3 0x14200 reaper reaper 86179 330775 0 0 3 0x14200 pgdaemon pagedaemon 17508 288145 0 0 3 0x14200 bored crynlk 49846 244048 0 0 3 0x14200 bored crypto 48141 239923 0 0 3 0x40014200 acpi0 acpi0 60267 510293 0 0 3 0x14200 bored softnet 63259 170404 0 0 3 0x14200 bored systqmp 29184 447699 0 0 3 0x14200 bored systq 54848 301281 0 0 3 0x40014200 bored softclock 33228 410647 0 0 3 0x40014200 idle0 18716 516792 0 0 3 0x14200 bored smr 1 134094 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 9480 6340K 6852K 78643K 12365 0 0 pcb 24 9K 10K 78643K 558 0 0 rtable 116 4K 4K 78643K 386 0 0 ifaddr 49 12K 12K 78643K 137 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 57 0 0 iov 0 0K 32K 78643K 112 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1213 76K 77K 78643K 2017 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 13 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 1K 78643K 54 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 1046 0 0 sigio 0 0K 0K 78643K 18 0 0 proc 41 30K 54K 78643K 409 0 0 subproc 32 2K 2K 78643K 38 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 97 0 0 in_multi 33 2K 2K 78643K 58 0 0 ether_multi 1 0K 0K 78643K 5 0 0 mrt 0 0K 0K 78643K 2 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 66 291K 291K 78643K 66 0 0 exec 0 0K 1K 78643K 275 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 29K 78643K 3301 0 0 UVM aobj 28 2K 2K 78643K 30 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 59 0 0 NDP 9 0K 0K 78643K 35 0 0 temp 154 2715K 2780K 78643K 6030 0 0 kqueue 0 0K 0K 78643K 6 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 280 499 0 492 1 0 1 1 0 8 0 plimitpl 152 37 0 30 1 0 1 1 0 8 0 rtentry 112 53 0 8 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 169 0 165 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 ppxss 1128 21 0 21 4 4 0 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 7 0 4 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 52 0 42 1 0 1 1 0 8 0 shmpl 112 28 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 3120 0 1702 46 0 46 46 0 8 0 ffsino 240 3120 0 1702 84 0 84 84 0 8 0 nchpl 144 4725 0 3100 61 0 61 61 0 8 0 uvmvnodes 72 3606 0 0 66 0 66 66 0 8 0 vnodes 200 3606 0 0 190 0 190 190 0 8 0 namei 1024 13859 0 13859 2 1 1 1 0 8 1 scsiplug 64 4 0 4 4 4 0 1 0 8 0 scxspl 192 14455 0 14455 8 7 1 6 0 8 1 sigapl 432 1219 0 1206 2 0 2 2 0 8 0 futexpl 56 15417 0 15417 1 0 1 1 0 8 1 knotepl 112 240 0 221 1 0 1 1 0 8 0 kqueuepl 104 216 0 214 1 0 1 1 0 8 0 pipepl 112 700 0 679 5 3 2 2 0 8 1 fdescpl 424 1220 0 1206 2 0 2 2 0 8 0 filepl 120 6966 0 6869 4 0 4 4 0 8 0 lockfpl 104 441 0 441 2 1 1 1 0 8 1 lockfspl 48 146 0 146 2 1 1 1 0 8 1 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 29 0 19 1 0 1 1 0 8 0 ucredpl 96 1495 0 1488 1 0 1 1 0 8 0 zombiepl 144 1206 0 1206 2 1 1 1 0 8 1 processpl 840 1235 0 1206 4 0 4 4 0 8 0 procpl 600 2570 0 2534 4 0 4 4 0 8 1 sosppl 128 10 0 10 2 2 0 1 0 8 0 sockpl 384 974 0 956 3 0 3 3 0 8 0 mcl64k 65536 29 0 29 5 4 1 1 0 8 1 mcl16k 16384 5 0 5 5 5 0 1 0 8 0 mcl12k 12288 20 0 20 4 3 1 1 0 8 1 mcl9k 9216 16 0 16 4 3 1 1 0 8 1 mcl8k 8192 7 0 7 4 3 1 1 0 8 1 mcl4k 4096 38 0 38 3 2 1 1 0 8 1 mcl2k2 2112 4 0 4 3 3 0 1 0 8 0 mcl2k 2048 53979 0 53936 13 6 7 10 0 8 1 mtagpl 80 4 0 2 2 1 1 1 0 8 0 mbufpl 256 92637 0 92564 13 5 8 10 0 8 0 bufpl 256 9163 0 3537 352 0 352 352 0 8 0 anonpl 16 119194 0 109679 95 39 56 56 0 62 17 amapchunkpl 152 5637 0 5552 35 21 14 14 0 158 10 amappl16 192 5736 0 5219 49 22 27 39 0 8 0 amappl14 176 34 0 33 2 1 1 1 0 8 0 amappl13 168 1013 0 1010 1 0 1 1 0 8 0 amappl12 160 15 0 12 1 0 1 1 0 8 0 amappl11 152 52 0 38 1 0 1 1 0 8 0 amappl10 144 64 0 63 2 1 1 1 0 8 0 amappl9 136 481 0 476 1 0 1 1 0 8 0 amappl8 128 138 0 121 1 0 1 1 0 8 0 amappl7 120 32 0 28 1 0 1 1 0 8 0 amappl6 112 55 0 46 1 0 1 1 0 8 0 amappl5 104 292 0 282 1 0 1 1 0 8 0 amappl4 96 1893 0 1867 1 0 1 1 0 8 0 amappl3 88 208 0 198 1 0 1 1 0 8 0 amappl2 80 9466 0 9399 4 2 2 3 0 8 0 amappl1 72 30171 0 29764 25 15 10 19 0 8 0 amappl 80 2817 0 2784 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 29 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1220 0 1206 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1220 0 1206 1 0 1 1 0 8 0 vmmpekpl 168 11422 0 11401 2 0 2 2 0 8 0 vmmpepl 168 130720 0 129234 121 51 70 97 0 357 5 vmsppl 264 1219 0 1206 2 1 1 2 0 8 0 pdppl 4096 2447 0 2412 6 1 5 6 0 8 0 pvpl 32 400647 0 388075 252 69 183 183 0 265 80 pmappl 200 1219 0 1206 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 507 0 29 14 0 14 14 0 8 0