uvm_fault(0xffffffff8224a310, 0xffff800003f98002, 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(0xffffffff8224a310, 0xffff800003f98002, 0, 1) -> e rtable_satoplen(21,ffff800003f97f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff800014a2c3d0, count: 0 ddb> trace rtable_satoplen(21,ffff800003f97f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff800003f97f09,ffff800003f97f59,ffff800003f97f11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff800003f97f00,ffff800014a2c4c0,ffff800014a2c4c8,21,0) at rtm_output+0x1a7 sys/net/rtsock.c:952 route_output(fffffd802ae71e00,fffffd8037003480,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd8037003480,9,fffffd802ae71e00,0,0,ffff8000149ef530) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd8037003480,0,ffff800014a2c788,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000149ef530,4,ffff800014a2c848,0,ffff800014a2c910) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000149ef530,ffff800014a2c928,ffff800014a2c910) at sys_sendto+0x92 syscall(ffff800014a2c9c0) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,9c5c0b8d010) at Xsyscall+0x128 end of kernel end trace frame: 0x9c8a24609e0, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff800014a2c330 rbx 0xffffffffffffff5a rdx 0xffff800003f97f5d rcx 0xffff800003f98003 rax 0xffff800003f98003 r8 0x21 r9 0x1 r10 0xffff80000173bb40 r11 0x3eac4a3aeb7ffc72 r12 0 r13 0xffff800003f98003 r14 0xffffffff821d5430 mplsdomain r15 0x4 rip 0xffffffff81325f20 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff800014a2c2e0 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.1) pid=350240 stat=onproc flags process=0 proc=4000000 pri=76, usrpri=76, nice=20 forw=0xffffffffffffffff, list=0xffff8000149ef080,0xffffffff822cc900 process=0xffff800014953080 user=0xffff800014a27000, vmspace=0xfffffd803f014000 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 75454 133209 75042 0 2 0 syz-executor.1 *75454 350240 75042 0 7 0x4000000 syz-executor.1 48388 78889 70484 0 2 0 syz-executor.0 48388 386983 70484 0 3 0x4000080 fsleep syz-executor.0 75042 316628 29339 0 3 0x82 nanosleep syz-executor.1 70484 294924 29339 0 2 0x482 syz-executor.0 90527 364234 1 0 3 0x100083 ttyin getty 88117 119336 0 0 3 0x14200 bored sosplice 29339 1219 3040 0 3 0x82 thrsleep syz-fuzzer 29339 345855 3040 0 3 0x4000082 thrsleep syz-fuzzer 29339 161850 3040 0 3 0x4000082 thrsleep syz-fuzzer 29339 445770 3040 0 3 0x4000082 kqread syz-fuzzer 29339 501312 3040 0 3 0x4000082 thrsleep syz-fuzzer 29339 483005 3040 0 3 0x4000082 thrsleep syz-fuzzer 29339 485357 3040 0 3 0x4000082 thrsleep syz-fuzzer 29339 513591 3040 0 3 0x4000082 thrsleep syz-fuzzer 29339 226108 3040 0 3 0x4000082 thrsleep syz-fuzzer 3040 210171 20991 0 3 0x10008a pause ksh 20991 304276 9108 0 3 0x92 select sshd 9108 248731 1 0 3 0x80 select sshd 12219 372621 14999 73 2 0x100090 syslogd 14999 3367 1 0 3 0x100082 netio syslogd 15840 294360 1 77 3 0x100090 poll dhclient 73039 125112 1 0 3 0x80 poll dhclient 52403 52989 0 0 2 0x14200 zerothread 82764 44000 0 0 3 0x14200 aiodoned aiodoned 20427 87657 0 0 3 0x14200 syncer update 31123 359828 0 0 3 0x14200 cleaner cleaner 23594 319500 0 0 3 0x14200 reaper reaper 51458 16963 0 0 3 0x14200 pgdaemon pagedaemon 22457 712 0 0 3 0x14200 bored crynlk 84204 201088 0 0 3 0x14200 bored crypto 85245 77130 0 0 3 0x40014200 acpi0 acpi0 88542 132612 0 0 3 0x14200 bored softnet 54924 313345 0 0 3 0x14200 bored systqmp 895 474673 0 0 3 0x14200 bored systq 62783 521477 0 0 3 0x40014200 bored softclock 81232 280653 0 0 3 0x40014200 idle0 47801 377358 0 0 3 0x14200 bored smr 1 409868 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 9503 6351K 6367K 78643K 11055 0 0 pcb 25 9K 11K 78643K 852 0 0 rtable 101 3K 3K 78643K 603 0 0 ifaddr 56 13K 14K 78643K 221 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 45 0 0 iov 0 0K 32K 78643K 257 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1191 75K 76K 78643K 1964 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 17 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 647 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 25K 78643K 1625 0 0 sigio 0 0K 0K 78643K 22 0 0 proc 42 30K 54K 78643K 623 0 0 subproc 64 65538K 69634K 78643K 272 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 159 0 0 in_multi 33 2K 2K 78643K 171 0 0 ether_multi 1 0K 0K 78643K 20 0 0 mrt 0 0K 0K 78643K 5 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 78 344K 344K 78643K 78 0 0 exec 0 0K 1K 78643K 334 0 0 pfkey data 0 0K 0K 78643K 2 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 90 21K 22K 78643K 4858 0 0 UVM aobj 86 7K 7K 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 34 0 0 NDP 11 0K 0K 78643K 67 0 0 temp 163 2355K 2479K 78643K 7303 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 10 0 6 1 0 1 1 0 8 0 inpcbpl 280 622 0 615 1 0 1 1 0 8 0 plimitpl 152 50 0 43 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 tcpcb 544 216 0 212 1 0 1 1 0 8 0 nd6 48 16 0 12 1 0 1 1 0 8 0 ppxss 1128 27 0 27 10 9 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 443 0 252 12 0 12 12 0 8 0 art_table 32 444 0 252 2 0 2 2 0 8 0 art_node 16 94 0 60 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 4 1 0 1 1 0 8 0 semapl 112 645 0 635 1 0 1 1 0 8 0 shmpl 112 90 0 6 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 4490 0 3045 47 0 47 47 0 8 0 ffsino 240 4490 0 3045 87 1 86 86 0 8 0 nchpl 144 7257 0 5605 62 0 62 62 0 8 0 uvmvnodes 72 4731 0 0 87 0 87 87 0 8 0 vnodes 200 4731 0 0 249 0 249 249 0 8 0 namei 1024 20527 0 20527 2 1 1 1 0 8 1 scsiplug 64 2 0 2 2 2 0 1 0 8 0 scxspl 192 27624 0 27624 19 18 1 6 0 8 1 sigapl 432 1778 0 1764 2 0 2 2 0 8 0 futexpl 56 27095 0 27094 1 0 1 1 0 8 0 knotepl 112 433 0 406 3 2 1 2 0 8 0 kqueuepl 104 326 0 324 1 0 1 1 0 8 0 pipepl 112 1040 0 1021 4 3 1 2 0 8 0 fdescpl 424 1779 0 1764 2 0 2 2 0 8 0 filepl 120 10027 0 9930 6 2 4 5 0 8 1 lockfpl 104 509 0 508 3 2 1 1 0 8 0 lockfspl 32 496 0 495 3 2 1 1 0 8 0 sessionpl 112 26 0 16 1 0 1 1 0 8 0 pgrppl 48 42 0 32 1 0 1 1 0 8 0 ucredpl 96 2175 0 2168 1 0 1 1 0 8 0 zombiepl 144 1764 0 1764 2 1 1 1 0 8 1 processpl 840 1794 0 1764 4 0 4 4 0 8 0 procpl 600 4048 0 4008 4 0 4 4 0 8 0 sosppl 128 17 0 17 6 6 0 1 0 8 0 sockpl 384 1374 0 1355 7 4 3 4 0 8 1 mcl64k 65536 751 0 751 94 94 0 33 0 8 0 mcl16k 16384 5 0 5 3 3 0 1 0 8 0 mcl12k 12288 24 0 24 10 9 1 1 0 8 1 mcl9k 9216 26 0 26 11 11 0 1 0 8 0 mcl8k 8192 15 0 15 7 7 0 1 0 8 0 mcl4k 4096 84 0 84 9 8 1 1 0 8 1 mcl2k2 2112 11 0 11 5 5 0 1 0 8 0 mcl2k 2048 49110 0 49077 11 6 5 9 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 92833 0 92757 75 68 7 43 0 8 0 bufpl 256 12421 0 6897 346 0 346 346 0 8 0 anonpl 16 202636 0 193773 118 71 47 52 0 62 5 amapchunkpl 152 7835 0 7753 23 19 4 13 0 158 0 amappl16 192 9709 0 9228 112 84 28 37 0 8 3 amappl15 184 64 0 63 1 0 1 1 0 8 0 amappl14 176 1059 0 1053 1 0 1 1 0 8 0 amappl13 168 40 0 37 1 0 1 1 0 8 0 amappl12 160 1044 0 1042 2 1 1 1 0 8 0 amappl11 152 261 0 252 1 0 1 1 0 8 0 amappl10 144 260 0 258 2 1 1 1 0 8 0 amappl9 136 495 0 490 1 0 1 1 0 8 0 amappl8 128 292 0 270 1 0 1 1 0 8 0 amappl7 120 114 0 108 1 0 1 1 0 8 0 amappl6 112 1097 0 1085 1 0 1 1 0 8 0 amappl5 104 255 0 244 1 0 1 1 0 8 0 amappl4 96 312 0 285 2 1 1 2 0 8 0 amappl3 88 291 0 284 1 0 1 1 0 8 0 amappl2 80 15380 0 15319 2 0 2 2 0 8 0 amappl1 72 44272 0 43836 25 16 9 19 0 8 0 amappl 72 4336 0 4303 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 6 3 1 2 2 0 8 0 uaddrrnd 24 1779 0 1764 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1779 0 1764 1 0 1 1 0 8 0 vmmpekpl 168 15687 0 15669 2 0 2 2 0 8 0 vmmpepl 168 193622 0 192107 153 82 71 83 0 357 0 vmsppl 264 1778 0 1764 4 3 1 2 0 8 0 pdppl 4096 3564 0 3528 6 1 5 6 0 8 0 pvpl 32 612429 0 600366 301 167 134 178 0 265 31 pmappl 192 1778 0 1764 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 659 0 191 16 0 16 16 0 8 0