uvm_fault(0xfffffd803f00c528, 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(0xfffffd803f00c528, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff800016bd47c0, count: 0 ddb> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff8000009dee00,ffff800016bd4878,ffff800016bd47d0,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd803eb30f00,fffffd80300d7790,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd80300d7790,9,fffffd803eb30f00,0,0,ffff800018bfd080) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd80300d7790,0,ffff800016bd4a70,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff800018bfd080,4,ffff800016bd4b50,0,ffff800016bd4c60) at sendit+0x53c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800018bfd080,ffff800016bd4bf8,ffff800016bd4c60) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff800016bd4cd0) at syscall+0x511 Xsyscall(6,0,ffffffffffffffd8,0,6,b7a13d3b010) at Xsyscall+0x128 end of kernel end trace frame: 0xb7c2fc93a00, count: -9 ddb> show registers rdi 0xffffffff817346a7 arp_rtrequest+0x157 rsi 0x195 rbp 0xffff800016bd4720 rbx 0xffff80000005b5a0 rdx 0x196 rcx 0xdeaf4152deaf4152 rax 0xffff80000005b5a8 r8 0x40 r9 0x5 r10 0xffff800000994a80 r11 0x3d82b584c383f775 r12 0xffff8000001722a8 r13 0x2 r14 0xfffffd80300e1778 r15 0x100000000 rip 0xffffffff817346af arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800016bd46a0 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> show proc PROC (syz-executor.0) pid=167899 stat=onproc flags process=0 proc=4000000 pri=70, usrpri=70, nice=20 forw=0xffffffffffffffff, list=0xffff800018bfcbd0,0xffffffff822c7180 process=0xffff8000ffff6358 user=0xffff800016bcf000, vmspace=0xfffffd803f00c528 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 19256 246980 67046 0 2 0 syz-executor.0 *19256 167899 67046 0 7 0x4000000 syz-executor.0 53587 239641 47361 0 2 0 syz-executor.1 53587 4282 47361 0 2 0x4000000 syz-executor.1 53587 219568 47361 0 3 0x4000000 inode syz-executor.1 21003 128534 0 0 3 0x14200 bored sosplice 67046 52738 14315 0 2 0x482 syz-executor.0 47361 190726 14315 0 3 0x82 nanosleep syz-executor.1 14315 123090 54834 0 3 0x82 thrsleep syz-fuzzer 14315 416516 54834 0 2 0x4000482 syz-fuzzer 14315 84754 54834 0 3 0x4000082 thrsleep syz-fuzzer 14315 53646 54834 0 3 0x4000082 kqread syz-fuzzer 14315 163576 54834 0 3 0x4000082 thrsleep syz-fuzzer 14315 429158 54834 0 3 0x4000082 thrsleep syz-fuzzer 14315 228803 54834 0 3 0x4000082 thrsleep syz-fuzzer 14315 474694 54834 0 3 0x4000082 thrsleep syz-fuzzer 54834 142466 60608 0 3 0x10008a pause ksh 60608 239297 7611 0 3 0x92 select sshd 21859 254792 1 0 3 0x100083 ttyopn getty 7611 285471 1 0 3 0x80 select sshd 91107 450084 11884 73 2 0x100090 syslogd 11884 269134 1 0 3 0x100082 netio syslogd 57668 487993 1 77 3 0x100090 poll dhclient 6307 283375 1 0 3 0x80 poll dhclient 72543 463247 0 0 2 0x14200 zerothread 19337 130892 0 0 3 0x14200 aiodoned aiodoned 18081 489868 0 0 3 0x14200 syncer update 81328 391451 0 0 3 0x14200 cleaner cleaner 7928 51778 0 0 3 0x14200 reaper reaper 69572 330132 0 0 3 0x14200 pgdaemon pagedaemon 87355 477226 0 0 3 0x14200 bored crynlk 73704 66002 0 0 3 0x14200 bored crypto 32432 33412 0 0 3 0x40014200 acpi0 acpi0 64728 145544 0 0 3 0x14200 bored softnet 18595 194195 0 0 3 0x14200 bored systqmp 47661 279338 0 0 3 0x14200 bored systq 33498 96063 0 0 3 0x40014200 bored softclock 12184 261873 0 0 3 0x40014200 idle0 94848 494612 0 0 3 0x14200 bored smr 1 169073 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 9464 6334K 6713K 78643K 11738 0 0 pcb 24 9K 9K 78643K 244 0 0 rtable 113 4K 4K 78643K 273 0 0 ifaddr 42 11K 11K 78643K 65 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 37 0 0 iov 1 12K 16K 78643K 65 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1209 76K 76K 78643K 1704 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 8 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 24 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 25K 78643K 630 0 0 sigio 0 0K 0K 78643K 8 0 0 proc 42 30K 54K 78643K 333 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 88 0 0 in_multi 33 2K 2K 78643K 65 0 0 ether_multi 1 0K 0K 78643K 4 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 72 318K 318K 78643K 72 0 0 exec 0 0K 1K 78643K 232 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 80 20K 30K 78643K 2276 0 0 UVM aobj 35 2K 2K 78643K 41 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 22 0 0 NDP 7 0K 0K 78643K 17 0 0 temp 120 2710K 2776K 78643K 4743 0 0 kqueue 0 0K 0K 78643K 2 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 280 262 0 255 1 0 1 1 0 8 0 plimitpl 152 29 0 22 1 0 1 1 0 8 0 rtentry 112 47 0 2 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 100 0 96 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 ppxss 1128 4 0 4 2 2 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 3 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 20 0 10 1 0 1 1 0 8 0 shmpl 112 39 0 6 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2416 0 1001 46 0 46 46 0 8 0 ffsino 240 2416 0 1001 84 0 84 84 0 8 0 nchpl 144 3508 0 1884 61 0 61 61 0 8 0 uvmvnodes 72 2753 0 0 51 0 51 51 0 8 0 vnodes 200 2753 0 0 145 0 145 145 0 8 0 namei 1024 9832 0 9832 1 0 1 1 0 8 1 scsiplug 64 3 0 3 2 1 1 1 0 8 1 scxspl 192 10150 0 10150 8 7 1 6 0 8 1 sigapl 432 801 0 787 2 0 2 2 0 8 0 futexpl 56 9054 0 9054 1 0 1 1 0 8 1 knotepl 112 149 0 130 1 0 1 1 0 8 0 kqueuepl 104 105 0 103 1 0 1 1 0 8 0 pipepl 112 438 0 419 2 1 1 1 0 8 0 fdescpl 424 802 0 787 2 0 2 2 0 8 0 filepl 120 4369 0 4272 4 0 4 4 0 8 1 lockfpl 104 217 0 216 2 1 1 1 0 8 0 lockfspl 48 84 0 83 2 1 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 31 0 21 1 0 1 1 0 8 0 ucredpl 96 955 0 948 1 0 1 1 0 8 0 zombiepl 144 787 0 787 2 1 1 1 0 8 1 processpl 840 817 0 787 4 0 4 4 0 8 0 procpl 600 1582 0 1542 4 0 4 4 0 8 0 sosppl 128 5 0 5 1 0 1 1 0 8 1 sockpl 384 455 0 437 3 0 3 3 0 8 0 mcl64k 65536 8 0 8 2 2 0 1 0 8 0 mcl12k 12288 6 0 6 2 1 1 1 0 8 1 mcl9k 9216 5 0 5 2 2 0 1 0 8 0 mcl8k 8192 5 0 5 1 1 0 1 0 8 0 mcl4k 4096 27 0 27 2 1 1 1 0 8 1 mcl2k2 2112 3 0 3 1 1 0 1 0 8 0 mcl2k 2048 53995 0 53952 13 7 6 10 0 8 0 mtagpl 80 6 0 4 2 1 1 1 0 8 0 mbufpl 256 90589 0 90489 13 5 8 9 0 8 0 bufpl 256 6913 0 2437 280 0 280 280 0 8 0 anonpl 16 82153 0 72426 65 10 55 55 0 62 15 amapchunkpl 152 3590 0 3500 15 10 5 11 0 158 1 amappl16 192 3818 0 3289 43 9 34 38 0 8 7 amappl14 176 44 0 40 2 1 1 1 0 8 0 amappl13 168 297 0 295 2 1 1 1 0 8 0 amappl12 160 307 0 305 2 1 1 1 0 8 0 amappl11 152 50 0 36 1 0 1 1 0 8 0 amappl10 144 63 0 61 2 1 1 1 0 8 0 amappl9 136 552 0 547 1 0 1 1 0 8 0 amappl8 128 125 0 110 1 0 1 1 0 8 0 amappl7 120 30 0 26 1 0 1 1 0 8 0 amappl6 112 52 0 46 1 0 1 1 0 8 0 amappl5 104 433 0 421 1 0 1 1 0 8 0 amappl4 96 632 0 608 1 0 1 1 0 8 0 amappl3 88 484 0 473 1 0 1 1 0 8 0 amappl2 80 5938 0 5863 4 2 2 3 0 8 0 amappl1 72 23425 0 23000 28 20 8 19 0 8 0 amappl 80 1813 0 1777 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 40 0 6 1 0 1 1 0 8 0 uaddrrnd 24 802 0 787 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 802 0 787 1 0 1 1 0 8 0 vmmpekpl 168 9041 0 9016 2 0 2 2 0 8 0 vmmpepl 168 89355 0 87766 104 24 80 80 0 357 10 vmsppl 264 801 0 787 2 1 1 2 0 8 0 pdppl 4096 1611 0 1574 6 1 5 6 0 8 0 pvpl 32 251593 0 238763 154 14 140 140 0 265 36 pmappl 200 801 0 787 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 422 0 19 12 0 12 12 0 8 0