login: uvm_fault(0xfffffd803f014dd0, 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(0xfffffd803f014dd0, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff8000149ec300, count: 0 ddb> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff800000993800,ffff8000149ec3b8,ffff8000149ec310,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd803c4d6f00,fffffd80363e6c08,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd80363e6c08,9,fffffd803c4d6f00,0,0,ffff800014970390) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd80363e6c08,0,ffff8000149ec5b0,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff800014970390,3,ffff8000149ec690,0,ffff8000149ec790) at sendit+0x53f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800014970390,ffff8000149ec728,ffff8000149ec790) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff8000149ec7f0) at syscall+0x508 Xsyscall(6,0,ffffffffffffffd8,0,6,4a4670eb010) at Xsyscall+0x128 end of kernel end trace frame: 0x4a6f75ae3f0, count: -9 ddb> show registers rdi 0xffffffff819ef3a7 arp_rtrequest+0x157 rsi 0x198 rbp 0xffff8000149ec260 rbx 0xffff80000005b330 rdx 0x199 rcx 0xdeaf4152deaf4152 rax 0xffff80000005b338 r8 0x40 r9 0x5 r10 0xffff8000009958c0 r11 0xab34ba5adb962e58 r12 0xffff8000001722a8 r13 0x2 r14 0xfffffd803ecb4468 r15 0x100000000 rip 0xffffffff819ef3af arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000149ec1e0 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> show proc PROC (syz-executor.0) pid=36565 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff80001496f760,0xffffffff822c2708 process=0xffff8000ffffb078 user=0xffff8000149e7000, vmspace=0xfffffd803f014dd0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 72676 431472 84954 0 2 0 syz-executor.0 *72676 36565 84954 0 7 0x4000000 syz-executor.0 94533 42020 1 0 3 0x100083 ttyin getty 96009 96859 0 0 3 0x14200 bored sosplice 84954 78738 90439 0 3 0x82 nanosleep syz-executor.0 2878 216628 90439 0 2 0x2 syz-executor.1 90439 437746 89001 0 3 0x82 kqread syz-fuzzer 90439 474152 89001 0 3 0x4000082 nanosleep syz-fuzzer 90439 486090 89001 0 3 0x4000082 thrsleep syz-fuzzer 90439 210256 89001 0 3 0x4000082 thrsleep syz-fuzzer 90439 472532 89001 0 3 0x4000082 thrsleep syz-fuzzer 90439 27104 89001 0 3 0x4000082 thrsleep syz-fuzzer 90439 164947 89001 0 3 0x4000082 thrsleep syz-fuzzer 89001 282535 62855 0 3 0x10008a pause ksh 62855 219737 94548 0 3 0x92 select sshd 94548 46646 1 0 3 0x80 select sshd 72002 156513 18727 73 2 0x100090 syslogd 18727 215525 1 0 3 0x100082 netio syslogd 29636 443021 1 77 3 0x100090 poll dhclient 96949 247310 1 0 3 0x80 poll dhclient 42244 116678 0 0 2 0x14200 zerothread 24705 520208 0 0 3 0x14200 aiodoned aiodoned 17533 137105 0 0 3 0x14200 syncer update 13267 183665 0 0 3 0x14200 cleaner cleaner 20157 33649 0 0 3 0x14200 reaper reaper 70087 189614 0 0 3 0x14200 pgdaemon pagedaemon 15933 234886 0 0 3 0x14200 bored crynlk 25885 62399 0 0 3 0x14200 bored crypto 31329 426469 0 0 3 0x40014200 acpi0 acpi0 64905 353874 0 0 3 0x14200 bored softnet 34939 210028 0 0 3 0x14200 bored systqmp 19792 349727 0 0 3 0x14200 bored systq 95475 38478 0 0 3 0x40014200 bored softclock 5932 420113 0 0 3 0x40014200 idle0 33844 174825 0 0 3 0x14200 bored smr 1 519271 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 9468 6329K 6702K 78643K 11249 0 0 pcb 24 9K 9K 78643K 197 0 0 rtable 113 4K 4K 78643K 265 0 0 ifaddr 45 11K 11K 78643K 69 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 33 0 0 iov 0 0K 28K 78643K 39 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1209 76K 76K 78643K 1496 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 7 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 26 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 357 0 0 sigio 0 0K 0K 78643K 4 0 0 proc 41 30K 54K 78643K 337 0 0 subproc 32 2K 2K 78643K 36 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 20 0 0 in_multi 33 2K 2K 78643K 34 0 0 ether_multi 1 0K 0K 78643K 1 0 0 mrt 0 0K 0K 78643K 1 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 48 212K 212K 78643K 48 0 0 exec 0 0K 1K 78643K 199 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 78 20K 25K 78643K 1639 0 0 UVM aobj 22 2K 2K 78643K 22 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 16 0 0 NDP 8 0K 0K 78643K 18 0 0 temp 109 2702K 2767K 78643K 4018 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 280 172 0 165 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 62 0 58 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 ppxss 1128 5 0 5 1 1 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 4 0 2 1 0 1 1 0 8 0 semapl 112 24 0 14 1 0 1 1 0 8 0 shmpl 112 20 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1976 0 562 46 0 46 46 0 8 0 ffsino 240 1976 0 562 84 0 84 84 0 8 0 nchpl 144 2673 0 1049 61 0 61 61 0 8 0 uvmvnodes 72 2190 0 0 40 0 40 40 0 8 0 vnodes 200 2190 0 0 116 0 116 116 0 8 0 namei 1024 7131 0 7131 2 1 1 1 0 8 1 scxspl 192 7317 0 7317 11 8 3 6 0 8 3 plimitpl 152 26 0 19 1 0 1 1 0 8 0 sigapl 432 529 0 516 2 0 2 2 0 8 0 futexpl 56 4875 0 4875 1 0 1 1 0 8 1 knotepl 112 109 0 90 1 0 1 1 0 8 0 kqueuepl 104 64 0 62 1 0 1 1 0 8 0 pipepl 112 300 0 281 2 1 1 1 0 8 0 fdescpl 424 530 0 516 2 0 2 2 0 8 0 filepl 120 2827 0 2732 4 0 4 4 0 8 0 lockfpl 104 138 0 138 2 1 1 1 0 8 1 lockfspl 48 44 0 44 2 1 1 1 0 8 1 sessionpl 112 18 0 8 1 0 1 1 0 8 0 pgrppl 48 26 0 16 1 0 1 1 0 8 0 ucredpl 96 436 0 429 1 0 1 1 0 8 0 zombiepl 144 516 0 516 2 1 1 1 0 8 1 processpl 840 545 0 516 4 0 4 4 0 8 0 procpl 624 952 0 916 4 0 4 4 0 8 1 sockpl 384 332 0 314 3 0 3 3 0 8 1 mcl64k 65536 4 0 4 1 0 1 1 0 8 1 mcl16k 16384 5 0 5 1 0 1 1 0 8 1 mcl12k 12288 4 0 4 1 0 1 1 0 8 1 mcl9k 9216 2 0 2 1 0 1 1 0 8 1 mcl8k 8192 2 0 2 2 1 1 1 0 8 1 mcl4k 4096 18 0 18 3 2 1 1 0 8 1 mcl2k2 2112 1 0 1 1 1 0 1 0 8 0 mcl2k 2048 55367 0 55327 11 5 6 9 0 8 0 mtagpl 80 4 0 4 2 1 1 1 0 8 1 mbufpl 256 91908 0 91832 11 2 9 9 0 8 0 bufpl 256 7619 0 1930 356 0 356 356 0 8 0 anonpl 16 54519 0 44604 59 2 57 57 0 62 16 amapchunkpl 152 2689 0 2604 14 0 14 14 0 158 10 amappl16 192 2097 0 1555 29 0 29 29 0 8 1 amappl15 184 2 0 1 1 0 1 1 0 8 0 amappl14 176 34 0 33 2 1 1 1 0 8 0 amappl13 168 2 0 1 1 0 1 1 0 8 0 amappl12 160 334 0 327 1 0 1 1 0 8 0 amappl11 152 56 0 42 1 0 1 1 0 8 0 amappl10 144 64 0 61 1 0 1 1 0 8 0 amappl9 136 545 0 542 1 0 1 1 0 8 0 amappl8 128 123 0 110 1 0 1 1 0 8 0 amappl7 120 30 0 27 1 0 1 1 0 8 0 amappl6 112 52 0 46 1 0 1 1 0 8 0 amappl5 104 462 0 449 1 0 1 1 0 8 0 amappl4 96 339 0 319 1 0 1 1 0 8 0 amappl3 88 499 0 488 1 0 1 1 0 8 0 amappl2 80 3474 0 3405 4 2 2 3 0 8 0 amappl1 72 18839 0 18422 26 17 9 19 0 8 0 amappl 80 1187 0 1154 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 21 0 0 1 0 1 1 0 8 0 uaddrrnd 24 530 0 516 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 530 0 516 1 0 1 1 0 8 0 vmmpekpl 168 7118 0 7092 2 0 2 2 0 8 0 vmmpepl 168 62083 0 60568 97 26 71 79 0 357 3 vmsppl 272 529 0 516 2 1 1 2 0 8 0 pdppl 4096 1066 0 1032 6 1 5 6 0 8 0 pvpl 32 199355 0 186421 191 5 186 186 0 265 80 pmappl 200 529 0 516 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 503 0 15 14 0 14 14 0 8 0