uvm_fault(0xffffffff822484c0, 0xffff800001966002, 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(0xffffffff822484c0, 0xffff800001966002, 0, 1) -> e rtable_satoplen(21,ffff800001965f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff8000149d0950, count: 0 ddb> trace rtable_satoplen(21,ffff800001965f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff800001965f09,ffff800001965f59,ffff800001965f11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff800001965f00,ffff8000149d0a40,ffff8000149d0a48,21,0) at rtm_output+0x1a7 sys/net/rtsock.c:952 route_output(fffffd80370c8300,fffffd8037006900,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd8037006900,9,fffffd80370c8300,0,0,ffff8000ffff8968) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd8037006900,0,ffff8000149d0d08,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff8968,3,ffff8000149d0dc8,0,ffff8000149d0e90) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff8968,ffff8000149d0ea8,ffff8000149d0e90) at sys_sendto+0x92 syscall(ffff8000149d0f40) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,979129cb010) at Xsyscall+0x128 end of kernel end trace frame: 0x97b42aa50d0, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff8000149d08b0 rbx 0xffffffffffffff5a rdx 0xffff800001965f5d rcx 0xffff800001966003 rax 0xffff800001966003 r8 0x21 r9 0x1 r10 0xffff800001b3c680 r11 0xe9ae924cfabc677b r12 0 r13 0xffff800001966003 r14 0xffffffff8218da30 mplsdomain r15 0x4 rip 0xffffffff817c2be0 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff8000149d0860 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.1) pid=394815 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff9520,0xffffffff82259c50 process=0xffff8000ffff66a0 user=0xffff8000149cb000, vmspace=0xfffffd803f014e70 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 77118 390128 69448 0 2 0 syz-executor.1 *77118 394815 69448 0 7 0x4000000 syz-executor.1 29777 11761 0 0 3 0x14200 bored sosplice 69448 334735 94428 0 2 0x482 syz-executor.1 21448 457348 94428 0 2 0x2 syz-executor.0 94428 17053 30107 0 3 0x82 thrsleep syz-fuzzer 94428 307490 30107 0 3 0x4000082 thrsleep syz-fuzzer 94428 401864 30107 0 3 0x4000082 thrsleep syz-fuzzer 94428 165239 30107 0 3 0x4000082 thrsleep syz-fuzzer 94428 356759 30107 0 3 0x4000082 thrsleep syz-fuzzer 94428 290481 30107 0 3 0x4000082 thrsleep syz-fuzzer 94428 405922 30107 0 3 0x4000082 thrsleep syz-fuzzer 94428 421049 30107 0 3 0x4000082 kqread syz-fuzzer 30107 177734 2098 0 3 0x10008a pause ksh 2098 94023 87205 0 3 0x92 select sshd 78746 10324 1 0 3 0x100083 ttyin getty 87205 172538 1 0 3 0x80 select sshd 15745 142164 40215 73 2 0x100090 syslogd 40215 11771 1 0 3 0x100082 netio syslogd 59144 338606 1 77 3 0x100090 poll dhclient 5054 229240 1 0 3 0x80 poll dhclient 98682 369297 0 0 2 0x14200 zerothread 4566 237770 0 0 3 0x14200 aiodoned aiodoned 35468 373226 0 0 3 0x14200 syncer update 69030 406282 0 0 3 0x14200 cleaner cleaner 69918 200478 0 0 3 0x14200 reaper reaper 94853 360388 0 0 3 0x14200 pgdaemon pagedaemon 15305 345851 0 0 3 0x14200 bored crynlk 38098 328040 0 0 3 0x14200 bored crypto 22117 239301 0 0 3 0x40014200 acpi0 acpi0 66072 194718 0 0 3 0x14200 bored softnet 86060 38240 0 0 3 0x14200 bored systqmp 95241 444013 0 0 3 0x14200 bored systq 65792 50654 0 0 3 0x40014200 bored softclock 19927 273793 0 0 3 0x40014200 idle0 82320 88553 0 0 3 0x14200 bored smr 1 372964 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 9449 6310K 6320K 78643K 10583 0 0 pcb 24 9K 10K 78643K 134 0 0 rtable 101 3K 3K 78643K 193 0 0 ifaddr 39 10K 11K 78643K 52 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 15 0 0 iov 0 0K 24K 78643K 24 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1209 76K 76K 78643K 1277 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 3 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 1K 1K 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 120 0 0 sigio 0 0K 0K 78643K 2 0 0 proc 42 30K 46K 78643K 254 0 0 subproc 64 65538K 69634K 78643K 68 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 12 0 0 in_multi 33 2K 2K 78643K 36 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 177 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 70 20K 20K 78643K 1060 0 0 UVM aobj 14 2K 2K 78643K 14 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 4 0 0 NDP 6 0K 0K 78643K 13 0 0 temp 96 2350K 2416K 78643K 3088 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 80 0 73 1 0 1 1 0 8 0 plimitpl 152 15 0 8 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 30 0 26 1 0 1 1 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 3 0 3 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 sysvmsgpl 40 6 0 2 1 0 1 1 0 8 0 semapl 112 26 0 16 1 0 1 1 0 8 0 shmpl 112 12 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1620 0 217 46 0 46 46 0 8 0 ffsino 240 1620 0 217 83 0 83 83 0 8 0 nchpl 144 2001 0 382 61 0 61 61 0 8 0 uvmvnodes 72 1681 0 0 31 0 31 31 0 8 0 vnodes 200 1681 0 0 89 0 89 89 0 8 0 namei 1024 5021 0 5020 1 0 1 1 0 8 0 scxspl 192 4862 0 4862 7 4 3 6 0 8 3 sigapl 432 288 0 275 2 0 2 2 0 8 0 futexpl 56 2001 0 2001 1 0 1 1 0 8 1 knotepl 112 80 0 53 2 0 2 2 0 8 0 kqueuepl 104 34 0 32 1 0 1 1 0 8 0 pipepl 112 214 0 195 3 1 2 2 0 8 1 fdescpl 424 289 0 275 2 0 2 2 0 8 0 filepl 120 1678 0 1583 4 0 4 4 0 8 1 lockfpl 104 67 0 67 2 1 1 1 0 8 1 lockfspl 32 111 0 111 2 1 1 1 0 8 1 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 96 303 0 296 1 0 1 1 0 8 0 zombiepl 144 275 0 275 2 1 1 1 0 8 1 processpl 840 304 0 275 4 0 4 4 0 8 0 procpl 600 454 0 417 4 0 4 4 0 8 1 sosppl 128 2 0 2 1 0 1 1 0 8 1 sockpl 384 195 0 177 3 0 3 3 0 8 1 mcl64k 65536 2 0 2 1 0 1 1 0 8 1 mcl12k 12288 3 0 3 1 0 1 1 0 8 1 mcl9k 9216 3 0 3 1 0 1 1 0 8 1 mcl4k 4096 19 0 19 2 1 1 1 0 8 1 mcl2k2 2112 1 0 1 1 0 1 1 0 8 1 mcl2k 2048 46421 0 46389 12 6 6 9 0 8 1 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 76156 0 76086 10 3 7 7 0 8 1 bufpl 256 5450 0 1160 269 0 269 269 0 8 0 anonpl 16 37363 0 28911 37 1 36 36 0 62 1 amapchunkpl 152 1381 0 1300 5 0 5 5 0 158 1 amappl16 192 1003 0 551 24 0 24 24 0 8 1 amappl15 184 59 0 56 1 0 1 1 0 8 0 amappl14 176 28 0 24 1 0 1 1 0 8 0 amappl13 168 24 0 21 1 0 1 1 0 8 0 amappl12 160 55 0 54 1 0 1 1 0 8 0 amappl11 152 242 0 230 1 0 1 1 0 8 0 amappl10 144 58 0 56 2 1 1 1 0 8 0 amappl9 136 331 0 328 1 0 1 1 0 8 0 amappl8 128 164 0 149 1 0 1 1 0 8 0 amappl7 120 21 0 19 1 0 1 1 0 8 0 amappl6 112 55 0 48 1 0 1 1 0 8 0 amappl5 104 228 0 214 1 0 1 1 0 8 0 amappl4 96 265 0 242 2 1 1 2 0 8 0 amappl3 88 137 0 131 1 0 1 1 0 8 0 amappl2 80 1621 0 1570 2 0 2 2 0 8 0 amappl1 72 14257 0 13851 24 14 10 19 0 8 1 amappl 72 699 0 667 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 13 0 0 1 0 1 1 0 8 0 uaddrrnd 24 289 0 275 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 289 0 275 1 0 1 1 0 8 0 vmmpekpl 168 6206 0 6187 2 0 2 2 0 8 0 vmmpepl 168 36872 0 35511 102 9 93 93 0 357 33 vmsppl 264 288 0 275 2 0 2 2 0 8 1 pdppl 4096 584 0 550 6 0 6 6 0 8 1 pvpl 32 129319 0 117901 108 3 105 105 0 265 9 pmappl 192 288 0 275 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 403 0 12 12 0 12 12 0 8 0