uvm_fault(0xffffffff8224f098, 0xffff800001984002, 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, 0xffff800001984002, 0, 1) -> e rtable_satoplen(21,ffff800001983f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff800014a3a350, count: 0 ddb> trace rtable_satoplen(21,ffff800001983f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff800001983f09,ffff800001983f59,ffff800001983f11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff800001983f00,ffff800014a3a440,ffff800014a3a448,21,0) at rtm_output+0x10c sys/net/rtsock.c:1122 route_output(fffffd8029f76000,fffffd8037010480,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd8037010480,9,fffffd8029f76000,0,0,ffff8000149d4720) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd8037010480,0,ffff800014a3a708,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000149d4720,4,ffff800014a3a7c8,0,ffff800014a3a890) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000149d4720,ffff800014a3a8a8,ffff800014a3a890) at sys_sendto+0x92 syscall(ffff800014a3a940) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,12b23c29010) at Xsyscall+0x128 end of kernel end trace frame: 0x12d2db18e30, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff800014a3a2b0 rbx 0xffffffffffffff5a rdx 0xffff800001983f5d rcx 0xffff800001984003 rax 0xffff800001984003 r8 0x21 r9 0x1 r10 0xffff800001b3b000 r11 0x45203f86d8169be9 r12 0 r13 0xffff800001984003 r14 0xffffffff8214bcc0 mplsdomain r15 0x4 rip 0xffffffff81d33ff0 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff800014a3a260 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.1) pid=140381 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000149d4018,0xffffffff82252c30 process=0xffff8000ffff7078 user=0xffff800014a35000, vmspace=0xfffffd803f014528 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 7346 188754 70377 0 2 0 syz-executor.1 * 7346 140381 70377 0 7 0x4000000 syz-executor.1 99350 504395 2149 0 2 0 syz-executor.0 99350 225355 2149 0 3 0x4000000 physio syz-executor.0 70377 337744 15806 0 3 0x82 nanosleep syz-executor.1 19473 467260 0 0 3 0x14200 bored sosplice 2149 272185 15806 0 3 0x82 nanosleep syz-executor.0 15806 374405 76955 0 3 0x82 kqread syz-fuzzer 15806 75395 76955 0 3 0x4000082 thrsleep syz-fuzzer 15806 306860 76955 0 3 0x4000082 thrsleep syz-fuzzer 15806 58085 76955 0 3 0x4000082 thrsleep syz-fuzzer 15806 476344 76955 0 3 0x4000082 thrsleep syz-fuzzer 15806 113771 76955 0 3 0x4000082 thrsleep syz-fuzzer 15806 271942 76955 0 3 0x4000082 thrsleep syz-fuzzer 76955 445094 67427 0 3 0x10008a pause ksh 67427 104111 83729 0 3 0x92 select sshd 29518 511667 1 0 3 0x100083 ttyopn getty 83729 432476 1 0 3 0x80 select sshd 92343 391862 97521 73 2 0x100090 syslogd 97521 233514 1 0 3 0x100082 netio syslogd 82223 153165 1 77 3 0x100090 poll dhclient 8980 450661 1 0 3 0x80 poll dhclient 90657 28085 0 0 2 0x14200 zerothread 89029 514448 0 0 3 0x14200 aiodoned aiodoned 49211 510261 0 0 3 0x14200 syncer update 13971 313340 0 0 3 0x14200 cleaner cleaner 29461 94376 0 0 3 0x14200 reaper reaper 61940 91732 0 0 3 0x14200 pgdaemon pagedaemon 71064 97765 0 0 3 0x14200 bored crynlk 28258 23708 0 0 3 0x14200 bored crypto 50909 313432 0 0 3 0x40014200 acpi0 acpi0 15004 420916 0 0 3 0x14200 bored softnet 36437 25053 0 0 3 0x14200 bored systqmp 93701 164507 0 0 3 0x14200 bored systq 66714 389324 0 0 3 0x40014200 bored softclock 16520 406790 0 0 3 0x40014200 idle0 37632 490586 0 0 3 0x14200 bored smr 1 184888 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 9495 6345K 6353K 78643K 10788 0 0 pcb 25 9K 10K 78643K 332 0 0 rtable 107 4K 4K 78643K 413 0 0 ifaddr 55 12K 13K 78643K 132 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 26 0 0 iov 0 0K 24K 78643K 74 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1201 75K 76K 78643K 1543 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 7 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 1K 78643K 78 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 21K 78643K 538 0 0 sigio 0 0K 0K 78643K 12 0 0 proc 41 30K 46K 78643K 365 0 0 subproc 64 65538K 67586K 78643K 172 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 52 0 0 in_multi 33 2K 2K 78643K 87 0 0 ether_multi 1 0K 0K 78643K 4 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 229 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 22K 78643K 2101 0 0 UVM aobj 32 4K 4K 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 37 0 0 NDP 11 0K 0K 78643K 39 0 0 temp 148 2351K 2417K 78643K 4549 0 0 kqueue 0 0K 0K 78643K 1 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 7 0 3 1 0 1 1 0 8 0 inpcbpl 280 284 0 277 1 0 1 1 0 8 0 plimitpl 152 29 0 22 1 0 1 1 0 8 0 rtentry 112 70 0 30 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 102 0 98 1 0 1 1 0 8 0 nd6 48 10 0 6 1 0 1 1 0 8 0 ppxss 1128 12 0 12 3 2 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 317 0 129 12 0 12 12 0 8 0 art_table 32 318 0 129 2 0 2 2 0 8 0 art_node 16 67 0 33 1 0 1 1 0 8 0 sysvmsgpl 40 29 0 7 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 73 0 63 1 0 1 1 0 8 0 shmpl 112 33 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2372 0 955 46 0 46 46 0 8 0 ffsino 240 2372 0 955 84 0 84 84 0 8 0 nchpl 144 3352 0 1716 61 0 61 61 0 8 0 uvmvnodes 72 2521 0 0 46 0 46 46 0 8 0 vnodes 200 2521 0 0 133 0 133 133 0 8 0 namei 1024 9347 0 9347 2 1 1 1 0 8 1 scxspl 192 9096 0 9095 9 8 1 6 0 8 0 sigapl 432 699 0 685 2 0 2 2 0 8 0 futexpl 56 8628 0 8628 1 0 1 1 0 8 1 knotepl 112 226 0 207 1 0 1 1 0 8 0 kqueuepl 104 160 0 157 1 0 1 1 0 8 0 pipepl 112 420 0 401 2 1 1 1 0 8 0 fdescpl 424 700 0 685 2 0 2 2 0 8 0 filepl 120 4158 0 4056 4 0 4 4 0 8 0 lockfpl 104 149 0 149 2 1 1 1 0 8 1 lockfspl 32 176 0 176 2 1 1 1 0 8 1 sessionpl 112 20 0 10 1 0 1 1 0 8 0 pgrppl 48 24 0 14 1 0 1 1 0 8 0 ucredpl 96 896 0 889 1 0 1 1 0 8 0 zombiepl 144 685 0 685 2 1 1 1 0 8 1 processpl 840 715 0 685 4 0 4 4 0 8 0 procpl 600 1450 0 1412 4 0 4 4 0 8 0 sosppl 128 11 0 11 1 1 0 1 0 8 0 sockpl 384 557 0 538 4 1 3 3 0 8 1 mcl64k 65536 7 0 7 2 1 1 1 0 8 1 mcl12k 12288 16 0 16 3 2 1 1 0 8 1 mcl9k 9216 9 0 9 5 4 1 1 0 8 1 mcl8k 8192 4 0 4 3 2 1 1 0 8 1 mcl4k 4096 34 0 34 4 3 1 1 0 8 1 mcl2k2 2112 3 0 3 2 2 0 1 0 8 0 mcl2k 2048 48456 0 48421 11 6 5 10 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 81790 0 81679 14 6 8 9 0 8 0 bufpl 256 9141 0 2371 424 0 424 424 0 8 0 anonpl 16 77537 0 70158 74 33 41 54 0 62 4 amapchunkpl 152 3662 0 3579 19 10 9 14 0 158 5 amappl16 192 2599 0 2120 38 12 26 36 0 8 2 amappl15 184 292 0 285 1 0 1 1 0 8 0 amappl14 176 214 0 211 2 1 1 1 0 8 0 amappl13 168 147 0 144 1 0 1 1 0 8 0 amappl12 160 195 0 194 2 1 1 1 0 8 0 amappl11 152 262 0 248 1 0 1 1 0 8 0 amappl10 144 70 0 67 2 1 1 1 0 8 0 amappl9 136 548 0 544 1 0 1 1 0 8 0 amappl8 128 139 0 123 1 0 1 1 0 8 0 amappl7 120 41 0 35 1 0 1 1 0 8 0 amappl6 112 294 0 285 1 0 1 1 0 8 0 amappl5 104 147 0 137 1 0 1 1 0 8 0 amappl4 96 701 0 673 2 1 1 2 0 8 0 amappl3 88 502 0 497 1 0 1 1 0 8 0 amappl2 80 5225 0 5167 2 0 2 2 0 8 0 amappl1 72 21920 0 21488 26 17 9 19 0 8 0 amappl 72 1685 0 1651 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 3 1 0 1 1 0 8 0 uaddrrnd 24 700 0 685 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 700 0 685 1 0 1 1 0 8 0 vmmpekpl 168 8813 0 8791 2 0 2 2 0 8 0 vmmpepl 168 78476 0 76984 122 45 77 92 0 357 12 vmsppl 264 699 0 685 2 1 1 2 0 8 0 pdppl 4096 1406 0 1370 5 0 5 5 0 8 0 pvpl 32 339331 0 328745 252 56 196 209 0 265 97 pmappl 192 699 0 685 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 568 0 21 16 0 16 16 0 8 0