uvm_fault(0xffffffff8224f098, 0xffff800001986002, 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(0xffffffff8224f098, 0xffff800001986002, 0, 1) -> e rtable_satoplen(21,ffff800001985f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff800014a22cc0, count: 0 ddb> trace rtable_satoplen(21,ffff800001985f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff800001985f09,ffff800001985f59,ffff800001985f11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff800001985f00,ffff800014a22db0,ffff800014a22db8,21,0) at rtm_output+0x10c sys/net/rtsock.c:1122 route_output(fffffd8037005c00,fffffd8037017180,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd8037017180,9,fffffd8037005c00,0,0,ffff800014a06978) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd8037017180,0,ffff800014a23078,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff800014a06978,4,ffff800014a23138,0,ffff800014a23200) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800014a06978,ffff800014a23218,ffff800014a23200) at sys_sendto+0x92 syscall(ffff800014a232b0) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,d52bfbc3010) at Xsyscall+0x128 end of kernel end trace frame: 0xd55614f3600, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff800014a22c20 rbx 0xffffffffffffff5a rdx 0xffff800001985f5d rcx 0xffff800001986003 rax 0xffff800001986003 r8 0x21 r9 0x1 r10 0xffff800001b3c900 r11 0xa5f99a53c9377a4f r12 0 r13 0xffff800001986003 r14 0xffffffff8214bcc0 mplsdomain r15 0x4 rip 0xffffffff81d33ff0 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff800014a22bd0 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.0) pid=348817 stat=onproc flags process=0 proc=4000000 pri=77, usrpri=77, nice=20 forw=0xffffffffffffffff, list=0xffff800014a064c8,0xffffffff82252c30 process=0xffff800014962d38 user=0xffff800014a1e000, vmspace=0xfffffd803f014840 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 26010 181479 77416 0 2 0 syz-executor.0 *26010 348817 77416 0 7 0x4000000 syz-executor.0 58605 65563 48314 0 2 0 syz-executor.1 58605 253072 48314 0 3 0x4000080 msgwait syz-executor.1 48314 459113 76676 0 3 0x82 nanosleep syz-executor.1 77416 69337 76676 0 3 0x82 nanosleep syz-executor.0 63353 70368 1 0 3 0x100083 ttyin getty 64456 409238 0 0 3 0x14200 bored sosplice 76676 256214 12696 0 3 0x82 thrsleep syz-fuzzer 76676 214323 12696 0 3 0x4000082 thrsleep syz-fuzzer 76676 497530 12696 0 3 0x4000082 thrsleep syz-fuzzer 76676 153097 12696 0 3 0x4000082 thrsleep syz-fuzzer 76676 85941 12696 0 3 0x4000082 thrsleep syz-fuzzer 76676 370747 12696 0 3 0x4000082 kqread syz-fuzzer 76676 185257 12696 0 3 0x4000082 thrsleep syz-fuzzer 76676 191649 12696 0 3 0x4000082 thrsleep syz-fuzzer 12696 458984 56507 0 3 0x10008a pause ksh 56507 106028 76824 0 3 0x92 select sshd 76824 427307 1 0 3 0x80 select sshd 65305 307246 33471 73 2 0x100090 syslogd 33471 357132 1 0 3 0x100082 netio syslogd 40700 302553 1 77 3 0x100090 poll dhclient 37694 244429 1 0 3 0x80 poll dhclient 5677 38029 0 0 2 0x14200 zerothread 92549 323534 0 0 3 0x14200 aiodoned aiodoned 29641 30928 0 0 3 0x14200 syncer update 35469 504379 0 0 3 0x14200 cleaner cleaner 23264 127146 0 0 3 0x14200 reaper reaper 52691 199036 0 0 3 0x14200 pgdaemon pagedaemon 91776 476791 0 0 3 0x14200 bored crynlk 39246 92679 0 0 3 0x14200 bored crypto 55986 400617 0 0 3 0x40014200 acpi0 acpi0 92415 290083 0 0 3 0x14200 bored softnet 46673 199227 0 0 3 0x14200 bored systqmp 3312 324026 0 0 3 0x14200 bored systq 58130 234612 0 0 3 0x40014200 bored softclock 15740 278970 0 0 3 0x40014200 idle0 29357 472866 0 0 3 0x14200 bored smr 1 14918 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 9505 10449K 10459K 78643K 10801 0 0 pcb 25 9K 10K 78643K 403 0 0 rtable 101 3K 3K 78643K 464 0 0 ifaddr 58 13K 13K 78643K 142 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 27 0 0 iov 0 0K 28K 78643K 99 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1201 75K 75K 78643K 1597 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 9 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 1K 1K 78643K 62 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 21K 78643K 543 0 0 sigio 0 0K 0K 78643K 12 0 0 proc 41 30K 46K 78643K 444 0 0 subproc 64 65538K 67586K 78643K 274 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 58 0 0 in_multi 33 2K 2K 78643K 123 0 0 ether_multi 1 0K 0K 78643K 7 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 60 265K 265K 78643K 60 0 0 exec 0 0K 1K 78643K 243 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 83 20K 21K 78643K 2105 0 0 UVM aobj 31 2K 2K 78643K 35 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 39 0 0 NDP 14 0K 0K 78643K 46 0 0 temp 160 2353K 2417K 78643K 4734 0 0 kqueue 0 0K 0K 78643K 4 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 280 286 0 279 1 0 1 1 0 8 0 plimitpl 152 31 0 24 1 0 1 1 0 8 0 rtentry 112 95 0 55 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 14 0 14 1 1 0 1 0 8 0 tcpcb 544 89 0 85 1 0 1 1 0 8 0 nd6 48 16 0 12 1 0 1 1 0 8 0 ppxss 1128 10 0 10 3 2 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 443 0 255 12 0 12 12 0 8 0 art_table 32 444 0 255 2 0 2 2 0 8 0 art_node 16 94 0 60 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 58 0 48 1 0 1 1 0 8 0 shmpl 112 33 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2401 0 967 47 0 47 47 0 8 0 ffsino 240 2401 0 967 85 0 85 85 0 8 0 nchpl 144 3376 0 1726 63 1 62 62 0 8 0 uvmvnodes 72 2583 0 0 47 0 47 47 0 8 0 vnodes 200 2583 0 0 136 0 136 136 0 8 0 namei 1024 9849 0 9849 2 1 1 1 0 8 1 scsiplug 64 3 0 3 2 2 0 1 0 8 0 scxspl 192 10732 0 10732 8 7 1 6 0 8 1 sigapl 432 696 0 682 2 0 2 2 0 8 0 futexpl 56 8868 0 8868 1 0 1 1 0 8 1 knotepl 112 278 0 259 1 0 1 1 0 8 0 kqueuepl 104 139 0 137 1 0 1 1 0 8 0 pipepl 112 466 0 447 2 1 1 1 0 8 0 fdescpl 424 697 0 682 2 0 2 2 0 8 0 filepl 120 4430 0 4334 4 0 4 4 0 8 0 lockfpl 104 199 0 199 2 1 1 1 0 8 1 lockfspl 32 195 0 195 2 1 1 1 0 8 1 sessionpl 112 24 0 14 1 0 1 1 0 8 0 pgrppl 48 34 0 24 1 0 1 1 0 8 0 ucredpl 96 998 0 991 1 0 1 1 0 8 0 zombiepl 144 682 0 682 2 1 1 1 0 8 1 processpl 840 712 0 682 4 0 4 4 0 8 0 procpl 600 1393 0 1354 4 0 4 4 0 8 0 sosppl 128 8 0 8 2 1 1 1 0 8 1 sockpl 384 622 0 603 4 1 3 3 0 8 1 mcl64k 65536 780 0 780 46 26 20 33 0 8 20 mcl16k 16384 2 0 2 2 2 0 1 0 8 0 mcl12k 12288 16 0 16 2 1 1 1 0 8 1 mcl9k 9216 9 0 9 2 2 0 1 0 8 0 mcl8k 8192 9 0 9 3 3 0 1 0 8 0 mcl4k 4096 45 0 45 3 2 1 1 0 8 1 mcl2k2 2112 7 0 7 3 3 0 1 0 8 0 mcl2k 2048 48273 0 48236 11 5 6 9 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 82867 0 82774 34 27 7 20 0 8 0 bufpl 256 7284 0 2761 285 1 284 284 0 8 0 anonpl 16 82908 0 75638 65 23 42 52 0 62 5 amapchunkpl 152 2999 0 2896 11 6 5 10 0 158 0 amappl16 192 3522 0 3076 55 32 23 35 0 8 0 amappl15 184 275 0 271 1 0 1 1 0 8 0 amappl14 176 87 0 86 2 1 1 1 0 8 0 amappl13 168 92 0 84 1 0 1 1 0 8 0 amappl12 160 15 0 12 1 0 1 1 0 8 0 amappl11 152 243 0 232 1 0 1 1 0 8 0 amappl10 144 189 0 187 2 1 1 1 0 8 0 amappl9 136 481 0 476 1 0 1 1 0 8 0 amappl8 128 166 0 149 1 0 1 1 0 8 0 amappl7 120 175 0 168 1 0 1 1 0 8 0 amappl6 112 59 0 52 1 0 1 1 0 8 0 amappl5 104 368 0 358 1 0 1 1 0 8 0 amappl4 96 923 0 894 2 1 1 2 0 8 0 amappl3 88 203 0 197 1 0 1 1 0 8 0 amappl2 80 5259 0 5198 2 0 2 2 0 8 0 amappl1 72 21797 0 21372 26 17 9 19 0 8 0 amappl 72 1646 0 1605 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 34 0 4 1 0 1 1 0 8 0 uaddrrnd 24 697 0 682 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 697 0 682 1 0 1 1 0 8 0 vmmpekpl 168 8655 0 8636 2 0 2 2 0 8 0 vmmpepl 168 81604 0 80135 107 31 76 80 0 357 11 vmsppl 264 696 0 682 3 2 1 2 0 8 0 pdppl 4096 1400 0 1364 5 0 5 5 0 8 0 pvpl 32 257382 0 246946 154 31 123 133 0 265 25 pmappl 192 696 0 682 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 495 0 69 13 0 13 13 0 8 0