login: uvm_fault(0xffffffff821fac58, 0xffff800001961002, 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(0xffffffff821fac58, 0xffff800001961002, 0, 1) -> e rtable_satoplen(21,ffff800001960f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff8000149ec5d0, count: 0 ddb> trace rtable_satoplen(21,ffff800001960f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff800001960f09,ffff800001960f59,ffff800001960f11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff800001960f00,ffff8000149ec6c0,ffff8000149ec6c8,21,0) at rtm_output+0x1a7 sys/net/rtsock.c:952 route_output(fffffd8036075900,fffffd803700d600,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd803700d600,9,fffffd8036075900,0,0,ffff8000ffff5780) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd803700d600,0,ffff8000149ec988,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff5780,3,ffff8000149eca48,0,ffff8000149ecb10) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff5780,ffff8000149ecb28,ffff8000149ecb10) at sys_sendto+0x92 syscall(ffff8000149ecbc0) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,c2c69381010) at Xsyscall+0x128 end of kernel end trace frame: 0xc2ea7e978d0, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff8000149ec530 rbx 0xffffffffffffff5a rdx 0xffff800001960f5d rcx 0xffff800001961003 rax 0xffff800001961003 r8 0x21 r9 0x1 r10 0xffff800000935cc0 r11 0x28dc8489f71769d8 r12 0 r13 0xffff800001961003 r14 0xffffffff821a0690 mplsdomain r15 0x4 rip 0xffffffff811c3b10 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff8000149ec4e0 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.1) pid=53786 stat=onproc flags process=0 proc=4000000 pri=58, usrpri=58, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff4e20,0xffffffff8224c108 process=0xffff8000ffff7078 user=0xffff8000149e7000, vmspace=0xfffffd803f013318 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 34963 54802 53601 0 2 0 syz-executor.1 *34963 53786 53601 0 7 0x4000000 syz-executor.1 91633 320991 57996 0 2 0x2 syz-executor.0 53601 278658 57996 0 3 0x82 nanosleep syz-executor.1 57996 467252 75538 0 3 0x82 thrsleep syz-fuzzer 57996 27007 75538 0 3 0x4000082 thrsleep syz-fuzzer 57996 453557 75538 0 3 0x4000082 thrsleep syz-fuzzer 57996 80460 75538 0 3 0x4000082 thrsleep syz-fuzzer 57996 241722 75538 0 3 0x4000082 thrsleep syz-fuzzer 57996 79971 75538 0 3 0x4000082 kqread syz-fuzzer 57996 9096 75538 0 3 0x4000082 thrsleep syz-fuzzer 57996 365319 75538 0 3 0x4000082 thrsleep syz-fuzzer 75538 443851 59410 0 3 0x10008a pause ksh 59410 172672 14144 0 3 0x92 select sshd 12392 3302 1 0 3 0x100083 ttyin getty 14144 189252 1 0 3 0x80 select sshd 25830 115894 83573 73 2 0x100090 syslogd 83573 275673 1 0 3 0x100082 netio syslogd 67586 213122 1 77 3 0x100090 poll dhclient 14002 311098 1 0 3 0x80 poll dhclient 1624 222255 0 0 2 0x14200 zerothread 34128 29087 0 0 3 0x14200 aiodoned aiodoned 93789 487879 0 0 3 0x14200 syncer update 41598 165920 0 0 3 0x14200 cleaner cleaner 76340 3486 0 0 3 0x14200 reaper reaper 66735 208476 0 0 3 0x14200 pgdaemon pagedaemon 35089 444907 0 0 3 0x14200 bored crynlk 84682 161811 0 0 3 0x14200 bored crypto 96067 384475 0 0 3 0x40014200 acpi0 acpi0 41548 223812 0 0 3 0x14200 bored softnet 36469 66645 0 0 3 0x14200 bored systqmp 56219 406008 0 0 3 0x14200 bored systq 34377 363834 0 0 3 0x40014200 bored softclock 4064 261799 0 0 3 0x40014200 idle0 38874 88207 0 0 3 0x14200 bored smr 1 59847 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 9448 6314K 6316K 78643K 10594 0 0 pcb 24 9K 9K 78643K 61 0 0 rtable 101 3K 3K 78643K 238 0 0 ifaddr 39 10K 11K 78643K 81 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 15 0 0 iov 0 0K 2K 78643K 14 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1199 75K 75K 78643K 1279 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 1K 78643K 2 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 2 0K 0K 78643K 2 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 21K 78643K 133 0 0 proc 40 30K 46K 78643K 247 0 0 subproc 64 65538K 67586K 78643K 68 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 in_multi 33 2K 2K 78643K 33 0 0 ether_multi 1 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 42 185K 185K 78643K 42 0 0 exec 0 0K 1K 78643K 163 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 71 20K 20K 78643K 1085 0 0 UVM aobj 2 2K 2K 78643K 2 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 NDP 6 0K 0K 78643K 20 0 0 temp 87 2340K 2404K 78643K 3106 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 93 0 86 1 0 1 1 0 8 0 plimitpl 152 14 0 7 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 tcpcb 544 62 0 58 1 0 1 1 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 10 0 10 1 0 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 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1639 0 231 46 0 46 46 0 8 0 ffsino 240 1639 0 231 83 0 83 83 0 8 0 nchpl 144 1980 0 360 61 0 61 61 0 8 0 uvmvnodes 72 1682 0 0 31 0 31 31 0 8 0 vnodes 200 1682 0 0 89 0 89 89 0 8 0 namei 1024 4980 0 4979 2 1 1 1 0 8 0 scxspl 192 4664 0 4664 8 7 1 6 0 8 1 sigapl 432 301 0 288 2 0 2 2 0 8 0 futexpl 56 941 0 941 1 0 1 1 0 8 1 knotepl 112 63 0 36 1 0 1 1 0 8 0 kqueuepl 104 10 0 8 1 0 1 1 0 8 0 pipepl 112 126 0 107 2 1 1 1 0 8 0 fdescpl 424 302 0 288 2 0 2 2 0 8 0 filepl 120 1548 0 1453 4 0 4 4 0 8 1 lockfpl 104 6 0 6 1 1 0 1 0 8 0 lockfspl 32 3 0 3 1 1 0 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 17 0 7 1 0 1 1 0 8 0 ucredpl 96 454 0 447 1 0 1 1 0 8 0 zombiepl 144 288 0 288 2 1 1 1 0 8 1 processpl 840 316 0 288 4 0 4 4 0 8 0 procpl 600 526 0 490 4 0 4 4 0 8 1 sockpl 384 137 0 119 2 0 2 2 0 8 0 mcl64k 65536 13 0 13 1 0 1 1 0 8 1 mcl8k 8192 13 0 13 1 0 1 1 0 8 1 mcl4k 4096 22 0 22 2 1 1 1 0 8 1 mcl2k 2048 9161 0 9133 7 1 6 6 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 18042 0 17961 9 1 8 8 0 8 1 bufpl 256 5388 0 1163 265 0 265 265 0 8 0 anonpl 16 28293 0 25811 15 4 11 12 0 62 1 amapchunkpl 152 1157 0 1078 5 1 4 5 0 158 0 amappl16 192 671 0 587 5 0 5 5 0 8 0 amappl15 184 120 0 118 1 0 1 1 0 8 0 amappl14 176 28 0 23 1 0 1 1 0 8 0 amappl13 168 23 0 20 1 0 1 1 0 8 0 amappl12 160 6 0 6 1 1 0 1 0 8 0 amappl11 152 178 0 169 1 0 1 1 0 8 0 amappl10 144 55 0 54 2 1 1 1 0 8 0 amappl9 136 348 0 344 1 0 1 1 0 8 0 amappl8 128 121 0 104 1 0 1 1 0 8 0 amappl7 120 21 0 18 1 0 1 1 0 8 0 amappl6 112 51 0 46 1 0 1 1 0 8 0 amappl5 104 243 0 232 1 0 1 1 0 8 0 amappl4 96 261 0 240 2 1 1 2 0 8 0 amappl3 88 123 0 118 1 0 1 1 0 8 0 amappl2 80 1774 0 1722 2 0 2 2 0 8 0 amappl1 72 14496 0 14080 26 13 13 19 0 8 4 amappl 72 729 0 698 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 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 302 0 288 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 302 0 288 1 0 1 1 0 8 0 vmmpekpl 168 6190 0 6173 1 0 1 1 0 8 0 vmmpepl 168 37252 0 36252 91 25 66 70 0 357 22 vmsppl 264 301 0 288 2 1 1 2 0 8 0 pdppl 4096 610 0 576 5 0 5 5 0 8 0 pvpl 32 122297 0 116902 102 9 93 97 0 265 49 pmappl 192 301 0 288 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 394 0 6 12 0 12 12 0 8 0