uvm_fault(0xfffffd803f00c948, 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(0xfffffd803f00c948, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff800015a2f2d0, count: 0 ddb> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff800000a05200,ffff800015a2f388,ffff800015a2f2e0,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd8039c38c00,fffffd80363e8788,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd80363e8788,9,fffffd8039c38c00,0,0,ffff8000ffff84b8) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd80363e8788,0,ffff800015a2f580,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff84b8,3,ffff800015a2f660,0,ffff800015a2f770) at sendit+0x53c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff84b8,ffff800015a2f708,ffff800015a2f770) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff800015a2f7e0) at syscall+0x511 Xsyscall(6,0,ffffffffffffffd8,0,6,66cf9b81010) at Xsyscall+0x128 end of kernel end trace frame: 0x66f4ffe5b10, count: -9 ddb> show registers rdi 0xffffffff817346a7 arp_rtrequest+0x157 rsi 0x196 rbp 0xffff800015a2f230 rbx 0xffff8000000255d0 rdx 0x197 rcx 0xdeafbeaddeafbead rax 0xffff8000000255d8 r8 0x40 r9 0x5 r10 0xffff80000098fbc0 r11 0x697e23044750d76a r12 0xffff8000001722a8 r13 0x2 r14 0xfffffd8034691008 r15 0x100000000 rip 0xffffffff817346af arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800015a2f1b0 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> show proc PROC (syz-executor.0) pid=359232 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff8008,0xffffffff822c7180 process=0xffff8000ffff73c0 user=0xffff800015a2a000, vmspace=0xfffffd803f00c948 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 47796 206643 53533 0 2 0 syz-executor.0 *47796 359232 53533 0 7 0x4000000 syz-executor.0 43903 428291 1 0 3 0x100083 ttyin getty 53533 214498 44078 0 3 0x82 nanosleep syz-executor.0 60353 303378 0 0 3 0x14200 bored sosplice 25816 157671 44078 0 2 0x2 syz-executor.1 44078 385753 43792 0 3 0x82 thrsleep syz-fuzzer 44078 237797 43792 0 3 0x4000082 nanosleep syz-fuzzer 44078 85518 43792 0 3 0x4000082 thrsleep syz-fuzzer 44078 513797 43792 0 3 0x4000082 kqread syz-fuzzer 44078 127485 43792 0 3 0x4000082 thrsleep syz-fuzzer 44078 158494 43792 0 3 0x4000082 thrsleep syz-fuzzer 44078 271394 43792 0 3 0x4000082 thrsleep syz-fuzzer 43792 205455 25351 0 3 0x10008a pause ksh 25351 278847 23790 0 3 0x92 select sshd 23790 322533 1 0 3 0x80 select sshd 20181 381096 26720 73 2 0x100090 syslogd 26720 346471 1 0 3 0x100082 netio syslogd 82357 358237 1 77 3 0x100090 poll dhclient 70423 424918 1 0 3 0x80 poll dhclient 95547 278298 0 0 2 0x14200 zerothread 14302 251053 0 0 3 0x14200 aiodoned aiodoned 51423 32422 0 0 3 0x14200 syncer update 64764 101897 0 0 3 0x14200 cleaner cleaner 15221 375105 0 0 3 0x14200 reaper reaper 47778 234884 0 0 3 0x14200 pgdaemon pagedaemon 37338 102470 0 0 3 0x14200 bored crynlk 25737 202934 0 0 3 0x14200 bored crypto 7781 143831 0 0 3 0x40014200 acpi0 acpi0 65015 48469 0 0 3 0x14200 bored softnet 42460 475881 0 0 3 0x14200 bored systqmp 43053 190156 0 0 3 0x14200 bored systq 96159 106585 0 0 3 0x40014200 bored softclock 25571 165244 0 0 3 0x40014200 idle0 60890 512185 0 0 3 0x14200 bored smr 1 243734 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 9537 6487K 14680K 78643K 20149 0 0 pcb 24 9K 11K 78643K 2405 0 0 rtable 120 5K 5K 78643K 1315 0 0 ifaddr 63 17K 19K 78643K 560 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 208 0 0 iov 0 0K 24K 78643K 641 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1196 75K 76K 78643K 5358 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 9K 78643K 59 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 336 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 5340 0 0 sigio 0 0K 0K 78643K 51 0 0 proc 42 30K 46K 78643K 926 0 0 subproc 32 2K 2K 78643K 85 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 518 0 0 in_multi 33 2K 2K 78643K 262 0 0 ether_multi 1 0K 0K 78643K 36 0 0 mrt 0 0K 0K 78643K 12 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 114 503K 503K 78643K 114 0 0 exec 0 0K 1K 78643K 603 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 90 20K 39K 78643K 13269 0 0 UVM aobj 130 7K 7K 78643K 143 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 223 0 0 NDP 13 0K 0K 78643K 151 0 0 temp 185 2715K 3345K 78643K 18921 0 0 kqueue 0 0K 0K 78643K 77 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 12 0 6 1 0 1 1 0 8 0 inpcbpl 280 2189 0 2182 3 2 1 2 0 8 0 plimitpl 152 136 0 129 1 0 1 1 0 8 0 rtentry 112 109 0 64 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 880 0 876 1 0 1 1 0 8 0 nd6 48 15 0 9 1 0 1 1 0 8 0 ppxss 1128 110 0 110 18 17 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 335 0 138 13 0 13 13 0 8 0 art_table 32 336 0 138 2 0 2 2 0 8 0 art_node 16 78 0 37 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 1 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 334 0 324 1 0 1 1 0 8 0 shmpl 112 141 0 13 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 10325 0 8867 48 0 48 48 0 8 0 ffsino 240 10325 0 8867 86 0 86 86 0 8 0 nchpl 144 17884 0 16273 61 0 61 61 0 8 0 uvmvnodes 72 6777 0 0 124 0 124 124 0 8 0 vnodes 200 6777 0 0 357 0 357 357 0 8 0 namei 1024 55698 0 55697 3 2 1 1 0 8 0 scsiplug 64 10 0 10 7 7 0 1 0 8 0 scxspl 192 58774 0 58774 38 37 1 6 0 8 1 sigapl 432 5503 0 5490 2 0 2 2 0 8 0 futexpl 56 81578 0 81578 2 1 1 1 0 8 1 knotepl 112 1170 0 1151 1 0 1 1 0 8 0 kqueuepl 104 1368 0 1366 1 0 1 1 0 8 0 pipepl 112 3260 0 3241 9 7 2 2 0 8 1 fdescpl 424 5504 0 5490 2 0 2 2 0 8 0 filepl 120 32306 0 32211 6 2 4 5 0 8 1 lockfpl 104 1830 0 1830 4 3 1 1 0 8 1 lockfspl 48 615 0 615 4 3 1 1 0 8 1 sessionpl 112 21 0 11 1 0 1 1 0 8 0 pgrppl 48 81 0 71 1 0 1 1 0 8 0 ucredpl 96 7577 0 7570 1 0 1 1 0 8 0 zombiepl 144 5490 0 5490 2 1 1 1 0 8 1 processpl 840 5519 0 5490 4 0 4 4 0 8 0 procpl 600 12185 0 12149 5 1 4 4 0 8 1 sosppl 128 75 0 75 13 12 1 1 0 8 1 sockpl 384 4289 0 4271 5 2 3 4 0 8 1 mcl64k 65536 2214 0 2214 203 126 77 129 0 8 77 mcl16k 16384 20 0 20 10 10 0 1 0 8 0 mcl12k 12288 85 0 85 16 15 1 1 0 8 1 mcl9k 9216 78 0 78 16 15 1 1 0 8 1 mcl8k 8192 78 0 78 15 14 1 1 0 8 1 mcl4k 4096 207 0 207 10 9 1 1 0 8 1 mcl2k2 2112 26 0 26 12 11 1 1 0 8 1 mcl2k 2048 60997 0 60962 25 20 5 9 0 8 0 mtagpl 80 6 0 6 3 3 0 1 0 8 0 mbufpl 256 126832 0 126778 112 107 5 68 0 8 0 bufpl 256 21925 0 15089 428 0 428 428 0 8 0 anonpl 16 487178 0 477510 162 119 43 57 0 62 1 amapchunkpl 152 24055 0 23970 98 92 6 18 0 158 1 amappl16 192 29540 0 29017 179 150 29 39 0 8 2 amappl15 184 2262 0 2260 1 0 1 1 0 8 0 amappl14 176 55 0 54 2 1 1 1 0 8 0 amappl13 168 2547 0 2546 1 0 1 1 0 8 0 amappl12 160 445 0 442 1 0 1 1 0 8 0 amappl11 152 73 0 59 1 0 1 1 0 8 0 amappl10 144 66 0 65 2 1 1 1 0 8 0 amappl9 136 596 0 593 1 0 1 1 0 8 0 amappl8 128 162 0 141 1 0 1 1 0 8 0 amappl7 120 48 0 43 1 0 1 1 0 8 0 amappl6 112 61 0 50 1 0 1 1 0 8 0 amappl5 104 626 0 614 1 0 1 1 0 8 0 amappl4 96 5198 0 5175 1 0 1 1 0 8 0 amappl3 88 786 0 775 1 0 1 1 0 8 0 amappl2 80 44883 0 44815 4 2 2 3 0 8 0 amappl1 72 105257 0 104845 26 17 9 19 0 8 0 amappl 80 12542 0 12509 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 64 142 0 13 3 0 3 3 0 8 0 uaddrrnd 24 5504 0 5490 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 5504 0 5490 1 0 1 1 0 8 0 vmmpekpl 168 34366 0 34343 2 0 2 2 0 8 0 vmmpepl 168 548926 0 547423 201 128 73 96 0 357 3 vmsppl 264 5503 0 5490 2 1 1 2 0 8 0 pdppl 4096 11015 0 10980 6 1 5 6 0 8 0 pvpl 32 1437777 0 1425022 405 291 114 226 0 265 7 pmappl 200 5503 0 5490 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 918 0 291 22 0 22 22 0 8 0