uvm_fault(0xffffffff8224ac08, 0xffff800001976002, 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(0xffffffff8224ac08, 0xffff800001976002, 0, 1) -> e rtable_satoplen(21,ffff800001975f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff800014a08840, count: 0 ddb> trace rtable_satoplen(21,ffff800001975f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff800001975f09,ffff800001975f59,ffff800001975f11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff800001975f00,ffff800014a08930,ffff800014a08938,21,0) at rtm_output+0x10c sys/net/rtsock.c:1122 route_output(fffffd80306f1f00,fffffd8037009780,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd8037009780,9,fffffd80306f1f00,0,0,ffff8000ffff2270) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd8037009780,0,ffff800014a08bf8,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff2270,4,ffff800014a08cb8,0,ffff800014a08d80) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff2270,ffff800014a08d98,ffff800014a08d80) at sys_sendto+0x92 syscall(ffff800014a08e30) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,bc820d58010) at Xsyscall+0x128 end of kernel end trace frame: 0xbca5600b690, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff800014a087a0 rbx 0xffffffffffffff5a rdx 0xffff800001975f5d rcx 0xffff800001976003 rax 0xffff800001976003 r8 0x21 r9 0x1 r10 0xffff80000193c740 r11 0xfb1dab419fa57a4e r12 0 r13 0xffff800001976003 r14 0xffffffff821762b0 mplsdomain r15 0x4 rip 0xffffffff81259390 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff800014a08750 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.0) pid=175327 stat=onproc flags process=0 proc=4000000 pri=72, usrpri=72, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff24c8,0xffffffff8224b7e0 process=0xffff8000ffff6d30 user=0xffff800014a03000, vmspace=0xfffffd803f014c60 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 14772 324100 44011 0 2 0 syz-executor.0 *14772 175327 44011 0 7 0x4000000 syz-executor.0 52388 118831 0 0 3 0x14200 bored sosplice 44011 513862 35862 0 2 0x482 syz-executor.0 39786 250737 35862 0 3 0x2 biowait syz-executor.1 35862 340233 31738 0 3 0x82 thrsleep syz-fuzzer 35862 307205 31738 0 3 0x4000082 thrsleep syz-fuzzer 35862 280452 31738 0 3 0x4000082 thrsleep syz-fuzzer 35862 7169 31738 0 3 0x4000082 thrsleep syz-fuzzer 35862 425773 31738 0 3 0x4000082 thrsleep syz-fuzzer 35862 246581 31738 0 3 0x4000082 thrsleep syz-fuzzer 35862 509551 31738 0 3 0x4000082 thrsleep syz-fuzzer 35862 83754 31738 0 3 0x4000082 kqread syz-fuzzer 31738 90377 28549 0 3 0x10008a pause ksh 28549 148835 5895 0 3 0x92 select sshd 30970 231374 1 0 3 0x100083 ttyin getty 5895 128403 1 0 3 0x80 select sshd 19565 62782 16103 73 2 0x100090 syslogd 16103 173272 1 0 3 0x100082 netio syslogd 22681 42560 1 77 3 0x100090 poll dhclient 96678 356093 1 0 3 0x80 poll dhclient 86460 203070 0 0 2 0x14200 zerothread 58953 161229 0 0 3 0x14200 aiodoned aiodoned 90775 100189 0 0 3 0x14200 syncer update 552 506726 0 0 3 0x14200 cleaner cleaner 28689 425263 0 0 3 0x14200 reaper reaper 44330 13610 0 0 3 0x14200 pgdaemon pagedaemon 5245 250406 0 0 3 0x14200 bored crynlk 40454 2359 0 0 3 0x14200 bored crypto 93322 215403 0 0 3 0x40014200 acpi0 acpi0 37452 304223 0 0 3 0x14200 bored softnet 90616 440329 0 0 3 0x14200 bored systqmp 74120 110005 0 0 3 0x14200 bored systq 23578 515734 0 0 3 0x40014200 bored softclock 89743 24225 0 0 3 0x40014200 idle0 22294 212051 0 0 3 0x14200 bored smr 1 63068 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 9463 6326K 6342K 78643K 10621 0 0 pcb 25 9K 10K 78643K 157 0 0 rtable 101 3K 3K 78643K 198 0 0 ifaddr 42 11K 11K 78643K 55 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 17 0 0 iov 0 0K 20K 78643K 37 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1201 75K 75K 78643K 1316 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 4 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 28 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 225 0 0 sigio 0 0K 0K 78643K 4 0 0 proc 41 30K 54K 78643K 281 0 0 subproc 64 65538K 69634K 78643K 72 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 36 0 0 in_multi 33 2K 2K 78643K 37 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 54 238K 238K 78643K 54 0 0 exec 0 0K 1K 78643K 179 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 74 20K 21K 78643K 1306 0 0 UVM aobj 12 2K 2K 78643K 12 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 25 0 0 NDP 7 0K 0K 78643K 14 0 0 temp 107 2351K 2417K 78643K 3351 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 4 0 0 1 0 1 1 0 8 0 inpcbpl 280 136 0 129 1 0 1 1 0 8 0 plimitpl 152 17 0 10 1 0 1 1 0 8 0 rtentry 112 41 0 1 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 13 0 13 1 1 0 1 0 8 0 tcpcb 544 56 0 52 1 0 1 1 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 3 0 3 2 1 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 185 0 0 12 0 12 12 0 8 0 art_table 32 186 0 0 2 0 2 2 0 8 0 art_node 16 40 0 6 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 2 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 26 0 16 1 0 1 1 0 8 0 shmpl 112 10 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1820 0 413 46 0 46 46 0 8 0 ffsino 240 1820 0 413 84 0 84 84 0 8 0 nchpl 144 2364 0 744 61 0 61 61 0 8 0 uvmvnodes 72 1885 0 0 35 0 35 35 0 8 0 vnodes 200 1885 0 0 100 0 100 100 0 8 0 namei 1024 6270 0 6269 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 6187 0 6186 8 7 1 6 0 8 0 sigapl 432 393 0 380 2 0 2 2 0 8 0 futexpl 56 3697 0 3697 1 0 1 1 0 8 1 knotepl 112 83 0 56 2 1 1 2 0 8 0 kqueuepl 104 52 0 50 1 0 1 1 0 8 0 pipepl 112 250 0 231 2 1 1 1 0 8 0 fdescpl 424 394 0 380 2 0 2 2 0 8 0 filepl 120 2269 0 2173 4 0 4 4 0 8 1 lockfpl 104 118 0 118 2 1 1 1 0 8 1 lockfspl 32 131 0 131 2 1 1 1 0 8 1 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 96 427 0 420 1 0 1 1 0 8 0 zombiepl 144 380 0 380 2 1 1 1 0 8 1 processpl 840 409 0 380 4 0 4 4 0 8 0 procpl 600 732 0 695 4 0 4 4 0 8 0 sosppl 128 2 0 2 1 1 0 1 0 8 0 sockpl 384 260 0 241 3 0 3 3 0 8 1 mcl64k 65536 4 0 4 2 1 1 1 0 8 1 mcl16k 16384 1 0 1 1 1 0 1 0 8 0 mcl12k 12288 4 0 4 2 1 1 1 0 8 1 mcl9k 9216 5 0 5 2 1 1 1 0 8 1 mcl8k 8192 9 0 9 2 1 1 1 0 8 1 mcl4k 4096 14 0 14 3 2 1 1 0 8 1 mcl2k2 2112 1 0 1 1 1 0 1 0 8 0 mcl2k 2048 46766 0 46731 12 7 5 10 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 77224 0 77148 11 3 8 8 0 8 0 bufpl 256 5835 0 1479 273 0 273 273 0 8 0 anonpl 16 41528 0 32786 39 2 37 37 0 62 1 amapchunkpl 152 1703 0 1622 9 4 5 9 0 158 0 amappl16 192 1367 0 896 26 1 25 25 0 8 1 amappl15 184 5 0 3 1 0 1 1 0 8 0 amappl14 176 137 0 129 1 0 1 1 0 8 0 amappl13 168 23 0 20 1 0 1 1 0 8 0 amappl12 160 122 0 119 1 0 1 1 0 8 0 amappl11 152 276 0 266 1 0 1 1 0 8 0 amappl10 144 54 0 53 2 1 1 1 0 8 0 amappl9 136 444 0 440 1 0 1 1 0 8 0 amappl8 128 226 0 211 1 0 1 1 0 8 0 amappl7 120 21 0 18 1 0 1 1 0 8 0 amappl6 112 51 0 43 1 0 1 1 0 8 0 amappl5 104 135 0 124 1 0 1 1 0 8 0 amappl4 96 264 0 242 1 0 1 1 0 8 0 amappl3 88 134 0 128 1 0 1 1 0 8 0 amappl2 80 2709 0 2661 2 0 2 2 0 8 0 amappl1 72 15907 0 15491 24 15 9 19 0 8 0 amappl 72 944 0 912 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 11 0 0 1 0 1 1 0 8 0 uaddrrnd 24 394 0 380 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 394 0 380 1 0 1 1 0 8 0 vmmpekpl 168 6736 0 6718 1 0 1 1 0 8 0 vmmpepl 168 46825 0 45434 82 16 66 72 0 357 4 vmsppl 264 393 0 380 2 1 1 2 0 8 0 pdppl 4096 794 0 760 6 1 5 6 0 8 0 pvpl 32 149213 0 137494 110 6 104 104 0 265 8 pmappl 192 393 0 380 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 414 0 18 12 0 12 12 0 8 0