uvm_fault(0xfffffd803f014aa0, 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(0xfffffd803f014aa0, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff8000149ce870, count: 0 ddb> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff800000a0fe00,ffff8000149ce928,ffff8000149ce880,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd803305f300,fffffd80363efd88,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd80363efd88,9,fffffd803305f300,0,0,ffff800014901008) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd80363efd88,0,ffff8000149ceb20,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff800014901008,3,ffff8000149cec00,0,ffff8000149ced00) at sendit+0x53f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800014901008,ffff8000149cec98,ffff8000149ced00) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff8000149ced60) at syscall+0x508 Xsyscall(6,0,ffffffffffffffd8,0,6,9facd238010) at Xsyscall+0x128 end of kernel end trace frame: 0x9fcdeb23830, count: -9 ddb> show registers rdi 0xffffffff819ef3a7 arp_rtrequest+0x157 rsi 0x1b3 rbp 0xffff8000149ce7d0 rbx 0xffff800000025740 rdx 0x1b4 rcx 0xdeafbeaddeafbead rax 0xffff800000025748 r8 0x40 r9 0x5 r10 0xffff800000995a40 r11 0x1d195710a709d7b6 r12 0xffff8000001722a8 r13 0x2 r14 0xfffffd802fff9008 r15 0x100000000 rip 0xffffffff819ef3af arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000149ce750 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> show proc PROC (syz-executor.0) pid=492363 stat=onproc flags process=0 proc=4000000 pri=77, usrpri=77, nice=20 forw=0xffffffffffffffff, list=0xffff8000149014e8,0xffffffff822c2708 process=0xffff8000ffffb078 user=0xffff8000149c9000, vmspace=0xfffffd803f014aa0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 9045 340963 20540 0 2 0 syz-executor.0 * 9045 492363 20540 0 7 0x4000000 syz-executor.0 28706 214048 1 0 3 0x100083 ttyin getty 53231 244663 0 0 3 0x14200 bored sosplice 20540 40060 77326 0 3 0x82 nanosleep syz-executor.0 35161 88056 77326 0 3 0x82 nanosleep syz-executor.1 77326 415094 59026 0 3 0x82 thrsleep syz-fuzzer 77326 112207 59026 0 3 0x4000082 thrsleep syz-fuzzer 77326 340541 59026 0 3 0x4000082 thrsleep syz-fuzzer 77326 457030 59026 0 3 0x4000082 kqread syz-fuzzer 77326 75855 59026 0 3 0x4000082 thrsleep syz-fuzzer 77326 511116 59026 0 3 0x4000082 thrsleep syz-fuzzer 77326 488302 59026 0 3 0x4000082 thrsleep syz-fuzzer 59026 378398 21150 0 3 0x10008a pause ksh 21150 82755 18974 0 3 0x92 select sshd 18974 178195 1 0 3 0x80 select sshd 13786 329211 86804 73 2 0x100090 syslogd 86804 82479 1 0 3 0x100082 netio syslogd 6501 48071 1 77 3 0x100090 poll dhclient 49589 19038 1 0 3 0x80 poll dhclient 1929 515220 0 0 2 0x14200 zerothread 8138 464863 0 0 3 0x14200 aiodoned aiodoned 40600 445476 0 0 3 0x14200 syncer update 89082 334009 0 0 3 0x14200 cleaner cleaner 23056 143562 0 0 3 0x14200 reaper reaper 45672 391918 0 0 3 0x14200 pgdaemon pagedaemon 34107 318092 0 0 3 0x14200 bored crynlk 740 63400 0 0 3 0x14200 bored crypto 59128 17114 0 0 3 0x40014200 acpi0 acpi0 35390 481126 0 0 3 0x14200 bored softnet 68056 496256 0 0 3 0x14200 bored systqmp 99522 476274 0 0 3 0x14200 bored systq 44260 523494 0 0 3 0x40014200 bored softclock 37381 393901 0 0 3 0x40014200 idle0 79803 312999 0 0 3 0x14200 bored smr 1 255157 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 9518 6367K 14550K 78643K 26452 0 0 pcb 24 9K 11K 78643K 2869 0 0 rtable 149 6K 6K 78643K 1299 0 0 ifaddr 59 16K 18K 78643K 598 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 221 0 0 iov 0 0K 28K 78643K 712 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1195 75K 76K 78643K 8562 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 78 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 452 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 8253 0 0 sigio 1 0K 0K 78643K 94 0 0 proc 42 30K 54K 78643K 1001 0 0 subproc 32 2K 2K 78643K 34 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 577 0 0 in_multi 33 2K 2K 78643K 282 0 0 ether_multi 1 0K 0K 78643K 31 0 0 mrt 0 0K 0K 78643K 15 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 108 477K 477K 78643K 108 0 0 exec 0 0K 1K 78643K 638 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 82 20K 38K 78643K 19343 0 0 UVM aobj 130 4K 4K 78643K 150 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 245 0 0 NDP 12 0K 0K 78643K 158 0 0 temp 175 2715K 2785K 78643K 26145 0 0 kqueue 0 0K 0K 78643K 38 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 2960 0 2953 1 0 1 1 0 8 0 rtentry 112 71 0 12 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 1385 0 1381 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 swfcl 56 2 0 0 1 0 1 1 0 8 0 ppxss 1128 115 0 115 19 18 1 1 0 8 1 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 59 0 18 1 0 1 1 0 8 0 sysvmsgpl 40 26 0 4 1 0 1 1 0 8 0 semapl 112 450 0 440 1 0 1 1 0 8 0 shmpl 112 148 0 20 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 17292 0 15794 49 0 49 49 0 8 0 ffsino 240 17292 0 15794 90 1 89 89 0 8 0 nchpl 144 28565 0 26940 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 84582 0 84582 2 1 1 1 0 8 1 scsiplug 64 15 0 15 11 11 0 1 0 8 0 scxspl 192 83876 0 83876 32 31 1 6 0 8 1 plimitpl 152 173 0 166 1 0 1 1 0 8 0 sigapl 432 8428 0 8415 2 0 2 2 0 8 0 futexpl 56 113164 0 113164 1 0 1 1 0 8 1 knotepl 112 1222 0 1203 1 0 1 1 0 8 0 kqueuepl 104 1464 0 1462 1 0 1 1 0 8 0 pipepl 112 3604 0 3585 8 7 1 2 0 8 0 fdescpl 424 8429 0 8415 2 0 2 2 0 8 0 filepl 120 44549 0 44454 7 3 4 5 0 8 1 lockfpl 104 3638 0 3638 3 2 1 1 0 8 1 lockfspl 48 1460 0 1460 3 2 1 1 0 8 1 sessionpl 112 21 0 11 1 0 1 1 0 8 0 pgrppl 48 87 0 77 1 0 1 1 0 8 0 ucredpl 96 8764 0 8757 1 0 1 1 0 8 0 zombiepl 144 8415 0 8414 2 1 1 1 0 8 0 processpl 840 8444 0 8414 4 0 4 4 0 8 0 procpl 624 18412 0 18375 5 1 4 4 0 8 1 sosppl 128 62 0 62 17 16 1 1 0 8 1 sockpl 384 5481 0 5463 4 1 3 4 0 8 1 mcl64k 65536 1173 0 1173 65 64 1 33 0 8 1 mcl16k 16384 19 0 19 15 14 1 1 0 8 1 mcl12k 12288 113 0 113 20 19 1 1 0 8 1 mcl9k 9216 87 0 87 21 20 1 1 0 8 1 mcl8k 8192 88 0 88 24 23 1 1 0 8 1 mcl4k 4096 269 0 269 8 7 1 1 0 8 1 mcl2k2 2112 47 0 47 20 19 1 1 0 8 1 mcl2k 2048 66413 0 66368 19 12 7 11 0 8 1 mtagpl 80 11 0 11 5 5 0 1 0 8 0 mbufpl 256 145200 0 145123 48 40 8 24 0 8 0 bufpl 256 24257 0 18577 356 0 356 356 0 8 0 anonpl 16 620313 0 610027 227 169 58 59 0 62 15 amapchunkpl 152 31580 0 31480 71 65 6 14 0 158 1 amappl16 192 40466 0 39907 192 155 37 41 0 8 8 amappl15 184 8 0 7 1 0 1 1 0 8 0 amappl14 176 44 0 42 2 1 1 1 0 8 0 amappl12 160 14 0 10 1 0 1 1 0 8 0 amappl11 152 51 0 37 1 0 1 1 0 8 0 amappl10 144 3830 0 3826 2 1 1 1 0 8 0 amappl9 136 4998 0 4990 1 0 1 1 0 8 0 amappl8 128 4591 0 4575 1 0 1 1 0 8 0 amappl7 120 3794 0 3790 1 0 1 1 0 8 0 amappl6 112 55 0 49 1 0 1 1 0 8 0 amappl5 104 202 0 192 1 0 1 1 0 8 0 amappl4 96 8605 0 8584 1 0 1 1 0 8 0 amappl3 88 404 0 394 1 0 1 1 0 8 0 amappl2 80 67845 0 67778 4 2 2 3 0 8 0 amappl1 72 144126 0 143711 26 17 9 19 0 8 0 amappl 80 18678 0 18644 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 64 149 0 20 3 0 3 3 0 8 0 uaddrrnd 24 8429 0 8415 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 8429 0 8415 1 0 1 1 0 8 0 vmmpekpl 168 41705 0 41678 2 0 2 2 0 8 0 vmmpepl 168 818486 0 816957 205 124 81 82 0 357 10 vmsppl 272 8428 0 8415 2 1 1 2 0 8 0 pdppl 4096 16864 0 16830 6 1 5 6 0 8 0 pvpl 32 1954654 0 1941299 515 333 182 221 0 265 72 pmappl 200 8428 0 8415 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 660 0 167 16 1 15 16 0 8 0