uvm_fault(0xffffffff821fee90, 0xffff800001b93002, 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(0xffffffff821fee90, 0xffff800001b93002, 0, 1) -> e rtable_satoplen(21,ffff800001b92f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff800014a30d10, count: 0 ddb> trace rtable_satoplen(21,ffff800001b92f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff800001b92f09,ffff800001b92f59,ffff800001b92f11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff800001b92f00,ffff800014a30e00,ffff800014a30e08,21,0) at rtm_output+0x10c sys/net/rtsock.c:1122 route_output(fffffd8034b31800,fffffd803641c608,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd803641c608,9,fffffd8034b31800,0,0,ffff800014a01530) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd803641c608,0,ffff800014a310c8,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff800014a01530,3,ffff800014a31188,0,ffff800014a31250) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800014a01530,ffff800014a31268,ffff800014a31250) at sys_sendto+0x92 syscall(ffff800014a31300) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,219ce39b010) at Xsyscall+0x128 end of kernel end trace frame: 0x21beb22c8b0, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff800014a30c70 rbx 0xffffffffffffff5a rdx 0xffff800001b92f5d rcx 0xffff800001b93003 rax 0xffff800001b93003 r8 0x21 r9 0x1 r10 0xffff800001b83280 r11 0x992e3c71b7e902f8 r12 0 r13 0xffff800001b93003 r14 0xffffffff821d6a78 mplsdomain r15 0x4 rip 0xffffffff81741610 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff800014a30c20 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.0) pid=172745 stat=onproc flags process=0 proc=4000000 pri=77, usrpri=77, nice=20 forw=0xffffffffffffffff, list=0xffff800014a00720,0xffffffff82290d98 process=0xffff8000ffff66a0 user=0xffff800014a2c000, vmspace=0xfffffd803f014420 estcpu=27, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 76808 367137 87429 0 2 0 syz-executor.0 *76808 172745 87429 0 7 0x4000000 syz-executor.0 87429 70855 83249 0 3 0x82 nanosleep syz-executor.0 34873 31724 83249 0 2 0x2 syz-executor.1 43339 38187 1 0 3 0x100083 ttyin getty 66160 426052 0 0 3 0x14200 bored sosplice 83249 491699 69363 0 3 0x82 thrsleep syz-fuzzer 83249 489495 69363 0 3 0x4000082 thrsleep syz-fuzzer 83249 72121 69363 0 3 0x4000082 thrsleep syz-fuzzer 83249 138623 69363 0 3 0x4000082 thrsleep syz-fuzzer 83249 110826 69363 0 3 0x4000082 thrsleep syz-fuzzer 83249 177419 69363 0 3 0x4000082 kqread syz-fuzzer 83249 413124 69363 0 3 0x4000082 thrsleep syz-fuzzer 83249 64953 69363 0 3 0x4000082 thrsleep syz-fuzzer 83249 336231 69363 0 3 0x4000082 thrsleep syz-fuzzer 69363 152153 84382 0 3 0x10008a pause ksh 84382 78783 94216 0 3 0x92 select sshd 94216 282382 1 0 3 0x80 select sshd 4852 44506 46085 73 2 0x100090 syslogd 46085 522147 1 0 3 0x100082 netio syslogd 42685 184196 1 77 3 0x100090 poll dhclient 62224 139181 1 0 3 0x80 poll dhclient 42006 41149 0 0 2 0x14200 zerothread 77828 101080 0 0 3 0x14200 aiodoned aiodoned 61421 358601 0 0 3 0x14200 syncer update 92394 456527 0 0 3 0x14200 cleaner cleaner 28601 70743 0 0 3 0x14200 reaper reaper 84431 192649 0 0 3 0x14200 pgdaemon pagedaemon 59471 5790 0 0 3 0x14200 bored crynlk 33448 206375 0 0 3 0x14200 bored crypto 16947 331252 0 0 3 0x40014200 acpi0 acpi0 58669 311335 0 0 3 0x14200 bored softnet 36954 3615 0 0 3 0x14200 bored systqmp 49417 208286 0 0 3 0x14200 bored systq 11794 235975 0 0 3 0x40014200 bored softclock 33775 281697 0 0 3 0x40014200 idle0 14595 225183 0 0 3 0x14200 bored smr 1 411085 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 9525 6349K 6353K 78643K 12273 0 0 pcb 24 9K 11K 78643K 1970 0 0 rtable 104 4K 4K 78643K 2481 0 0 ifaddr 68 17K 18K 78643K 825 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 80 0 0 iov 0 0K 24K 78643K 504 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1202 75K 76K 78643K 4246 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 9K 78643K 45 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 680 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 5117 0 0 sigio 0 0K 0K 78643K 18 0 0 proc 42 30K 54K 78643K 1352 0 0 subproc 64 65538K 69634K 78643K 1324 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 517 0 0 in_multi 33 2K 2K 78643K 649 0 0 ether_multi 1 0K 0K 78643K 30 0 0 mrt 0 0K 0K 78643K 22 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 72 318K 318K 78643K 72 0 0 exec 0 0K 1K 78643K 547 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 110 22K 31K 78643K 13093 0 0 UVM aobj 79 3K 3K 78643K 92 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 193 0 0 NDP 15 0K 0K 78643K 299 0 0 temp 191 2356K 2476K 78643K 18889 0 0 kqueue 0 0K 0K 78643K 38 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 37 0 33 1 0 1 1 0 8 0 inpcbpl 280 2027 0 2020 1 0 1 1 0 8 0 plimitpl 152 240 0 233 1 0 1 1 0 8 0 rtentry 112 353 0 313 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 678 0 674 1 0 1 1 0 8 0 nd6 48 70 0 66 1 0 1 1 0 8 0 ppxss 1128 162 0 161 2 1 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1659 0 1470 13 1 12 13 0 8 0 art_table 32 1660 0 1470 2 0 2 2 0 8 0 art_node 16 337 0 303 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 4 1 0 1 1 0 8 0 semapl 112 678 0 668 1 0 1 1 0 8 0 shmpl 112 90 0 13 4 1 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 10944 0 9367 51 0 51 51 0 8 0 ffsino 240 10944 0 9367 93 0 93 93 0 8 0 nchpl 144 17521 0 15785 65 0 65 65 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 200 5926 0 0 312 0 312 312 0 8 0 namei 1024 48399 0 48398 2 1 1 1 0 8 0 scsiplug 64 2 0 2 2 2 0 1 0 8 0 scxspl 192 69917 0 69917 14 13 1 6 0 8 1 sigapl 432 5190 0 5177 2 0 2 2 0 8 0 futexpl 56 45936 0 45936 1 0 1 1 0 8 1 knotepl 112 1688 0 1669 1 0 1 1 0 8 0 kqueuepl 104 988 0 986 1 0 1 1 0 8 0 pipepl 112 1192 0 1173 2 1 1 1 0 8 0 fdescpl 424 5191 0 5177 2 0 2 2 0 8 0 filepl 120 22522 0 22427 4 0 4 4 0 8 1 lockfpl 104 1283 0 1283 8 7 1 1 0 8 1 lockfspl 32 1965 0 1965 7 6 1 1 0 8 1 sessionpl 112 52 0 42 1 0 1 1 0 8 0 pgrppl 48 89 0 79 1 0 1 1 0 8 0 ucredpl 96 6207 0 6200 1 0 1 1 0 8 0 zombiepl 144 5177 0 5177 2 1 1 1 0 8 1 processpl 840 5206 0 5177 4 0 4 4 0 8 0 procpl 600 11502 0 11464 4 0 4 4 0 8 0 sosppl 128 90 0 90 14 14 0 1 0 8 0 sockpl 384 3606 0 3588 15 12 3 4 0 8 1 mcl64k 65536 498 0 498 55 54 1 47 0 8 1 mcl12k 12288 30 0 30 4 4 0 1 0 8 0 mcl9k 9216 106 0 106 14 13 1 1 0 8 1 mcl8k 8192 64 0 64 8 7 1 1 0 8 1 mcl4k 4096 254 0 254 20 19 1 1 0 8 1 mcl2k2 2112 47 0 47 6 6 0 1 0 8 0 mcl2k 2048 26484 0 26454 30 22 8 8 0 8 2 mtagpl 80 4 0 4 2 2 0 1 0 8 0 mbufpl 256 105321 0 105245 53 44 9 27 0 8 2 bufpl 256 22017 0 17373 291 0 291 291 0 8 0 anonpl 16 616954 0 612710 140 106 34 49 0 62 11 amapchunkpl 152 22879 0 22800 23 19 4 11 0 158 0 amappl16 192 35897 0 35713 136 114 22 33 0 8 12 amappl15 184 1084 0 1080 1 0 1 1 0 8 0 amappl14 176 611 0 607 2 1 1 1 0 8 0 amappl13 168 513 0 508 1 0 1 1 0 8 0 amappl12 160 928 0 924 1 0 1 1 0 8 0 amappl11 152 1011 0 999 1 0 1 1 0 8 0 amappl10 144 353 0 350 2 1 1 1 0 8 0 amappl9 136 1705 0 1702 1 0 1 1 0 8 0 amappl8 128 1327 0 1288 3 1 2 2 0 8 0 amappl7 120 248 0 243 1 0 1 1 0 8 0 amappl6 112 225 0 215 1 0 1 1 0 8 0 amappl5 104 1129 0 1116 1 0 1 1 0 8 0 amappl4 96 4967 0 4939 2 1 1 2 0 8 0 amappl3 88 799 0 792 1 0 1 1 0 8 0 amappl2 80 45940 0 45887 2 0 2 2 0 8 0 amappl1 72 100103 0 99692 26 17 9 19 0 8 0 amappl 72 12050 0 12018 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 91 0 13 2 0 2 2 0 8 0 uaddrrnd 24 5191 0 5177 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 5191 0 5177 1 0 1 1 0 8 0 vmmpekpl 168 32259 0 32238 4 2 2 2 0 8 0 vmmpepl 168 534254 0 533111 170 105 65 76 0 357 9 vmsppl 264 5190 0 5177 6 5 1 2 0 8 0 pdppl 4096 10388 0 10354 7 2 5 6 0 8 0 pvpl 32 1628466 0 1621143 322 226 96 126 0 265 27 pmappl 192 5190 0 5177 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 579 0 152 14 0 14 14 0 8 0