login: uvm_fault(0xfffffd803f00cd68, 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(0xfffffd803f00cd68, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff8000149be630, count: 0 ddb> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff800000a23400,ffff8000149be6e8,ffff8000149be640,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd80305b8800,fffffd80363e1d88,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd80363e1d88,9,fffffd80305b8800,0,0,ffff800014951c38) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd80363e1d88,0,ffff8000149be8e0,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff800014951c38,4,ffff8000149be9c0,0,ffff8000149bead0) at sendit+0x53c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800014951c38,ffff8000149bea68,ffff8000149bead0) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff8000149beb40) at syscall+0x511 Xsyscall(6,0,ffffffffffffffd8,0,6,377d8478010) at Xsyscall+0x128 end of kernel end trace frame: 0x379fcbfcfd0, count: -9 ddb> show registers rdi 0xffffffff817346a7 arp_rtrequest+0x157 rsi 0x195 rbp 0xffff8000149be590 rbx 0xffff80000005be20 rdx 0x196 rcx 0xdeaf4152deaf4152 rax 0xffff80000005be28 r8 0x40 r9 0x5 r10 0xffff80000099c7c0 r11 0xc3f2703aef14f943 r12 0xffff8000001722a8 r13 0x2 r14 0xfffffd803a2ce548 r15 0x100000000 rip 0xffffffff817346af arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000149be510 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> show proc PROC (syz-executor.1) pid=62433 stat=onproc flags process=0 proc=4000000 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff800014951080,0xffffffff822c7180 process=0xffff8000ffff7078 user=0xffff8000149b9000, vmspace=0xfffffd803f00cd68 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 12509 213705 79859 0 2 0 syz-executor.1 *12509 62433 79859 0 7 0x4000000 syz-executor.1 18849 140824 1 0 3 0x100083 ttyin getty 79859 237299 27730 0 3 0x82 nanosleep syz-executor.1 5638 521577 27730 0 2 0x2 syz-executor.0 10715 181394 0 0 3 0x14200 bored sosplice 27730 395611 41180 0 3 0x82 kqread syz-fuzzer 27730 355026 41180 0 3 0x4000082 nanosleep syz-fuzzer 27730 236309 41180 0 3 0x4000082 thrsleep syz-fuzzer 27730 479550 41180 0 3 0x4000082 thrsleep syz-fuzzer 27730 500376 41180 0 3 0x4000082 thrsleep syz-fuzzer 27730 253611 41180 0 3 0x4000082 thrsleep syz-fuzzer 27730 105333 41180 0 3 0x4000082 thrsleep syz-fuzzer 27730 248268 41180 0 3 0x4000082 thrsleep syz-fuzzer 41180 282370 29399 0 3 0x10008a pause ksh 29399 230903 52189 0 3 0x92 select sshd 52189 184601 1 0 3 0x80 select sshd 27150 33537 55563 73 2 0x100090 syslogd 55563 75413 1 0 3 0x100082 netio syslogd 62531 215552 1 77 3 0x100090 poll dhclient 22278 433889 1 0 3 0x80 poll dhclient 51171 114148 0 0 2 0x14200 zerothread 90002 461112 0 0 3 0x14200 aiodoned aiodoned 39515 499859 0 0 3 0x14200 syncer update 40214 395486 0 0 3 0x14200 cleaner cleaner 91048 316419 0 0 3 0x14200 reaper reaper 47249 188281 0 0 3 0x14200 pgdaemon pagedaemon 62287 113667 0 0 3 0x14200 bored crynlk 36008 81359 0 0 3 0x14200 bored crypto 22659 138101 0 0 3 0x40014200 acpi0 acpi0 43517 42312 0 0 3 0x14200 bored softnet 8257 437181 0 0 3 0x14200 bored systqmp 76598 452087 0 0 3 0x14200 bored systq 65079 323924 0 0 3 0x40014200 bored softclock 97001 438320 0 0 3 0x40014200 idle0 99241 392670 0 0 3 0x14200 bored smr 1 213320 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 6365K 14551K 78643K 28025 0 0 pcb 24 9K 11K 78643K 4157 0 0 rtable 130 5K 5K 78643K 1672 0 0 ifaddr 65 17K 19K 78643K 705 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 361 0 0 iov 0 0K 32K 78643K 1016 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1195 75K 76K 78643K 8579 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 108 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 544 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 8791 0 0 sigio 0 0K 0K 78643K 125 0 0 proc 42 30K 55K 78643K 1455 0 0 subproc 32 2K 2K 78643K 104 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 903 0 0 in_multi 33 2K 2K 78643K 306 0 0 ether_multi 1 0K 0K 78643K 37 0 0 mrt 0 0K 0K 78643K 25 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 843 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 94 21K 38K 78643K 21428 0 0 UVM aobj 130 8K 8K 78643K 153 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 392 0 0 NDP 14 0K 0K 78643K 190 0 0 temp 188 2715K 2843K 78643K 29183 0 0 kqueue 0 0K 0K 78643K 108 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 14 0 8 1 0 1 1 0 8 0 inpcbpl 280 3563 0 3556 1 0 1 1 0 8 0 plimitpl 152 209 0 202 1 0 1 1 0 8 0 rtentry 112 119 0 72 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 1252 0 1248 1 0 1 1 0 8 0 nd6 48 18 0 12 2 1 1 1 0 8 0 ppxss 1128 134 0 134 33 33 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 387 0 187 15 2 13 13 0 8 0 art_table 32 388 0 187 3 1 2 2 0 8 0 art_node 16 91 0 50 1 0 1 1 0 8 0 sysvmsgpl 40 13 0 8 3 2 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 542 0 532 1 0 1 1 0 8 0 shmpl 112 151 0 23 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 16018 0 14494 50 0 50 50 0 8 0 ffsino 240 16018 0 14494 90 0 90 90 0 8 0 nchpl 144 28354 0 26732 61 0 61 61 0 8 0 uvmvnodes 72 8788 0 0 160 0 160 160 0 8 0 vnodes 200 8788 0 0 463 0 463 463 0 8 0 namei 1024 90290 0 90290 6 5 1 1 0 8 1 scsiplug 64 12 0 12 11 11 0 1 0 8 0 scxspl 192 113268 0 113268 50 47 3 6 0 8 3 sigapl 432 8957 0 8944 2 0 2 2 0 8 0 futexpl 56 133626 0 133626 4 3 1 1 0 8 1 knotepl 112 1788 0 1769 1 0 1 1 0 8 0 kqueuepl 104 2097 0 2095 1 0 1 1 0 8 0 pipepl 112 5374 0 5355 21 20 1 2 0 8 0 fdescpl 424 8958 0 8944 2 0 2 2 0 8 0 filepl 120 53253 0 53157 11 7 4 5 0 8 1 lockfpl 104 2901 0 2901 8 7 1 1 0 8 1 lockfspl 48 1015 0 1015 8 7 1 1 0 8 1 sessionpl 112 28 0 18 1 0 1 1 0 8 0 pgrppl 48 136 0 126 1 0 1 1 0 8 0 ucredpl 96 12690 0 12683 1 0 1 1 0 8 0 zombiepl 144 8944 0 8944 2 1 1 1 0 8 1 processpl 840 8973 0 8944 4 0 4 4 0 8 0 procpl 600 20194 0 20157 4 0 4 4 0 8 0 sosppl 128 121 0 121 29 28 1 1 0 8 1 sockpl 384 7268 0 7250 9 6 3 4 0 8 1 mcl64k 65536 1997 0 1997 173 172 1 33 0 8 1 mcl16k 16384 19 0 19 18 17 1 1 0 8 1 mcl12k 12288 135 0 135 32 32 0 1 0 8 0 mcl9k 9216 139 0 139 28 27 1 1 0 8 1 mcl8k 8192 96 0 96 26 25 1 1 0 8 1 mcl4k 4096 333 0 333 17 16 1 1 0 8 1 mcl2k2 2112 56 0 56 25 24 1 1 0 8 1 mcl2k 2048 66244 0 66210 14 9 5 9 0 8 0 mtagpl 80 18 0 18 5 5 0 1 0 8 0 mbufpl 256 150249 0 150164 96 87 9 23 0 8 0 bufpl 256 39208 0 29459 736 122 614 676 0 8 0 anonpl 16 762225 0 752508 261 205 56 58 0 62 13 amapchunkpl 152 37854 0 37760 111 106 5 18 0 158 0 amappl16 192 46930 0 46407 265 230 35 39 0 8 8 amappl15 184 3879 0 3879 2 2 0 1 0 8 0 amappl14 176 2334 0 2330 2 1 1 1 0 8 0 amappl13 168 2121 0 2120 1 0 1 1 0 8 0 amappl12 160 11 0 8 1 0 1 1 0 8 0 amappl11 152 69 0 55 1 0 1 1 0 8 0 amappl10 144 77 0 76 2 1 1 1 0 8 0 amappl9 136 1054 0 1047 1 0 1 1 0 8 0 amappl8 128 627 0 603 1 0 1 1 0 8 0 amappl7 120 51 0 46 1 0 1 1 0 8 0 amappl6 112 54 0 44 1 0 1 1 0 8 0 amappl5 104 213 0 203 1 0 1 1 0 8 0 amappl4 96 9612 0 9588 1 0 1 1 0 8 0 amappl3 88 2733 0 2721 1 0 1 1 0 8 0 amappl2 80 76724 0 76658 4 2 2 3 0 8 0 amappl1 72 160224 0 159820 25 16 9 19 0 8 0 amappl 80 20565 0 20530 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 64 152 0 23 3 0 3 3 0 8 0 uaddrrnd 24 8958 0 8944 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 8958 0 8944 1 0 1 1 0 8 0 vmmpekpl 168 55195 0 55174 2 0 2 2 0 8 0 vmmpepl 168 880854 0 879358 246 166 80 85 0 357 7 vmsppl 264 8957 0 8944 3 2 1 2 0 8 0 pdppl 4096 17923 0 17888 7 2 5 6 0 8 0 pvpl 32 2328199 0 2315350 683 503 180 250 0 265 71 pmappl 200 8957 0 8944 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 1205 0 459 26 3 23 23 0 8 0