uvm_fault(0xffffffff821fc060, 0xffff800004d40002, 0, 1) -> e kernel: page fault trap, code=0 Stopped at rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xffffffff821fc060, 0xffff800004d40002, 0, 1) -> e rtable_satoplen(21,ffff800004d3ff59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff8000149fb860, count: 0 ddb> trace rtable_satoplen(21,ffff800004d3ff59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff800004d3ff09,ffff800004d3ff59,ffff800004d3ff11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff800004d3ff00,ffff8000149fb950,ffff8000149fb958,21,0) at rtm_output+0x10c sys/net/rtsock.c:1122 route_output(fffffd8031329500,fffffd803c955780,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd803c955780,9,fffffd8031329500,0,0,ffff8000ffff8260) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd803c955780,0,ffff8000149fbc18,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff8260,4,ffff8000149fbcd8,0,ffff8000149fbda0) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff8260,ffff8000149fbdb8,ffff8000149fbda0) at sys_sendto+0x92 syscall(ffff8000149fbe50) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,f17e047f010) at Xsyscall+0x128 end of kernel end trace frame: 0xf1aa002f930, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff8000149fb7c0 rbx 0xffffffffffffff5a rdx 0xffff800004d3ff5d rcx 0xffff800004d40003 rax 0xffff800004d40003 r8 0x21 r9 0x1 r10 0xffff800000926a00 r11 0x2570db4037746855 r12 0 r13 0xffff800004d40003 r14 0xffffffff82150d78 mplsdomain r15 0x4 rip 0xffffffff816bd740 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff8000149fb770 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.1) pid=36740 stat=onproc flags process=0 proc=4000000 pri=60, usrpri=60, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff99d0,0xffffffff8224ce18 process=0xffff8000ffff7078 user=0xffff8000149f6000, vmspace=0xfffffd803f014318 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 8221 286305 31331 0 2 0 syz-executor.1 * 8221 36740 31331 0 7 0x4000000 syz-executor.1 44243 78352 14455 0 2 0x2 syz-executor.0 31331 191589 14455 0 3 0x82 nanosleep syz-executor.1 96772 515004 0 0 3 0x14200 bored sosplice 14455 491281 7737 0 3 0x82 thrsleep syz-fuzzer 14455 488333 7737 0 3 0x4000082 thrsleep syz-fuzzer 14455 224527 7737 0 3 0x4000082 thrsleep syz-fuzzer 14455 486800 7737 0 3 0x4000082 kqread syz-fuzzer 14455 250857 7737 0 3 0x4000082 thrsleep syz-fuzzer 14455 295750 7737 0 3 0x4000082 thrsleep syz-fuzzer 14455 63940 7737 0 3 0x4000082 thrsleep syz-fuzzer 14455 177897 7737 0 3 0x4000082 thrsleep syz-fuzzer 14455 36721 7737 0 3 0x4000082 thrsleep syz-fuzzer 7737 148694 49758 0 3 0x10008a pause ksh 49758 3233 46334 0 3 0x92 select sshd 44698 344474 1 0 3 0x100083 ttyin getty 46334 215598 1 0 3 0x80 select sshd 97440 418760 75664 73 2 0x100090 syslogd 75664 301239 1 0 3 0x100082 netio syslogd 29848 169888 1 77 3 0x100090 poll dhclient 73313 254658 1 0 3 0x80 poll dhclient 60187 229259 0 0 2 0x14200 zerothread 10677 391646 0 0 3 0x14200 aiodoned aiodoned 63555 335549 0 0 3 0x14200 syncer update 62189 483496 0 0 3 0x14200 cleaner cleaner 55526 297554 0 0 3 0x14200 reaper reaper 59307 302120 0 0 3 0x14200 pgdaemon pagedaemon 47649 417370 0 0 3 0x14200 bored crynlk 27390 132472 0 0 3 0x14200 bored crypto 44351 197429 0 0 3 0x40014200 acpi0 acpi0 24652 129848 0 0 3 0x14200 bored softnet 5068 80407 0 0 3 0x14200 bored systqmp 73229 419704 0 0 3 0x14200 bored systq 2897 104738 0 0 3 0x40014200 bored softclock 61102 425252 0 0 3 0x40014200 idle0 79994 321989 0 0 3 0x14200 bored smr 1 31232 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 9498 6345K 6355K 78643K 10835 0 0 pcb 25 9K 11K 78643K 394 0 0 rtable 101 3K 4K 78643K 545 0 0 ifaddr 55 13K 13K 78643K 180 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 31 0 0 iov 0 0K 24K 78643K 104 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1191 75K 75K 78643K 1649 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 11 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 1K 78643K 71 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 594 0 0 sigio 0 0K 0K 78643K 10 0 0 proc 41 30K 54K 78643K 415 0 0 subproc 64 65538K 69634K 78643K 272 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 56 0 0 in_multi 33 2K 2K 78643K 112 0 0 ether_multi 1 0K 0K 78643K 2 0 0 mrt 0 0K 0K 78643K 2 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 78 344K 344K 78643K 78 0 0 exec 0 0K 1K 78643K 260 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 81 20K 21K 78643K 2304 0 0 UVM aobj 37 2K 2K 78643K 40 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 13 0 0 NDP 11 0K 0K 78643K 57 0 0 temp 149 2351K 2417K 78643K 4811 0 0 kqueue 0 0K 0K 78643K 3 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 10 0 6 1 0 1 1 0 8 0 inpcbpl 280 297 0 290 1 0 1 1 0 8 0 plimitpl 152 31 0 24 1 0 1 1 0 8 0 rtentry 112 99 0 59 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 97 0 93 1 0 1 1 0 8 0 nd6 48 16 0 12 1 0 1 1 0 8 0 ppxss 1128 15 0 15 3 3 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 440 0 252 12 0 12 12 0 8 0 art_table 32 441 0 252 2 0 2 2 0 8 0 art_node 16 94 0 60 1 0 1 1 0 8 0 sysvmsgpl 40 24 0 4 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 65 0 55 1 0 1 1 0 8 0 shmpl 112 38 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2552 0 1124 47 0 47 47 0 8 0 ffsino 240 2552 0 1124 85 0 85 85 0 8 0 nchpl 144 3615 0 1970 62 0 62 62 0 8 0 uvmvnodes 72 2731 0 0 50 0 50 50 0 8 0 vnodes 200 2731 0 0 144 0 144 144 0 8 0 namei 1024 10683 0 10683 1 0 1 1 0 8 1 scsiplug 64 2 0 2 2 2 0 1 0 8 0 scxspl 192 11576 0 11576 10 9 1 6 0 8 1 sigapl 432 744 0 731 2 0 2 2 0 8 0 futexpl 56 9843 0 9843 1 0 1 1 0 8 1 knotepl 112 280 0 253 2 1 1 2 0 8 0 kqueuepl 104 160 0 158 1 0 1 1 0 8 0 pipepl 112 550 0 531 5 3 2 2 0 8 1 fdescpl 424 745 0 731 2 0 2 2 0 8 0 filepl 120 4930 0 4834 5 1 4 5 0 8 1 lockfpl 104 254 0 254 3 2 1 1 0 8 1 lockfspl 32 304 0 304 3 2 1 1 0 8 1 sessionpl 112 23 0 13 1 0 1 1 0 8 0 pgrppl 48 31 0 21 1 0 1 1 0 8 0 ucredpl 96 1270 0 1263 1 0 1 1 0 8 0 zombiepl 144 731 0 731 3 2 1 1 0 8 1 processpl 840 760 0 731 4 0 4 4 0 8 0 procpl 600 1591 0 1553 4 0 4 4 0 8 1 sosppl 128 12 0 12 3 3 0 1 0 8 0 sockpl 384 634 0 615 4 1 3 4 0 8 1 mcl64k 65536 26 0 26 3 3 0 1 0 8 0 mcl16k 16384 2 0 2 1 1 0 1 0 8 0 mcl12k 12288 15 0 15 1 1 0 1 0 8 0 mcl9k 9216 7 0 7 4 4 0 1 0 8 0 mcl8k 8192 11 0 11 3 2 1 1 0 8 1 mcl4k 4096 33 0 33 5 4 1 1 0 8 1 mcl2k2 2112 3 0 3 2 2 0 1 0 8 0 mcl2k 2048 47443 0 47409 12 7 5 9 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 80819 0 80700 12 4 8 8 0 8 0 bufpl 256 7394 0 3032 273 0 273 273 0 8 0 anonpl 16 93825 0 85839 74 26 48 52 0 62 12 amapchunkpl 152 3502 0 3421 12 8 4 9 0 158 0 amappl16 192 4461 0 4003 60 28 32 36 0 8 8 amappl15 184 41 0 40 1 0 1 1 0 8 0 amappl14 176 27 0 21 1 0 1 1 0 8 0 amappl13 168 42 0 38 1 0 1 1 0 8 0 amappl12 160 19 0 18 3 2 1 1 0 8 0 amappl11 152 397 0 387 1 0 1 1 0 8 0 amappl10 144 176 0 174 2 1 1 1 0 8 0 amappl9 136 685 0 680 1 0 1 1 0 8 0 amappl8 128 148 0 132 1 0 1 1 0 8 0 amappl7 120 133 0 124 1 0 1 1 0 8 0 amappl6 112 55 0 47 1 0 1 1 0 8 0 amappl5 104 195 0 184 1 0 1 1 0 8 0 amappl4 96 280 0 257 2 1 1 2 0 8 0 amappl3 88 295 0 290 1 0 1 1 0 8 0 amappl2 80 5914 0 5864 2 0 2 2 0 8 0 amappl1 72 23022 0 22616 24 15 9 19 0 8 0 amappl 72 1843 0 1811 1 0 1 1 0 75 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 39 0 3 1 0 1 1 0 8 0 uaddrrnd 24 745 0 731 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 745 0 731 1 0 1 1 0 8 0 vmmpekpl 168 9211 0 9192 2 0 2 2 0 8 0 vmmpepl 168 86197 0 84823 105 33 72 82 0 357 6 vmsppl 264 744 0 731 4 3 1 2 0 8 0 pdppl 4096 1496 0 1462 6 1 5 6 0 8 0 pvpl 32 277868 0 266866 181 53 128 133 0 265 31 pmappl 192 744 0 731 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 420 0 24 12 0 12 12 0 8 0