uvm_fault(0xffffffff8224f098, 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(0xffffffff8224f098, 0xffff800001b93002, 0, 1) -> e rtable_satoplen(21,ffff800001b92f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff800014a21bd0, 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,ffff800014a21cc0,ffff800014a21cc8,21,0) at rtm_output+0x1a7 sys/net/rtsock.c:952 route_output(fffffd8030bf1100,fffffd803e421190,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd803e421190,9,fffffd8030bf1100,0,0,ffff8000ffff8e18) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd803e421190,0,ffff800014a21f88,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff8e18,3,ffff800014a22048,0,ffff800014a22110) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff8e18,ffff800014a22128,ffff800014a22110) at sys_sendto+0x92 syscall(ffff800014a221c0) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,c76bb31b010) at Xsyscall+0x128 end of kernel end trace frame: 0xc796f8e0440, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff800014a21b30 rbx 0xffffffffffffff5a rdx 0xffff800001b92f5d rcx 0xffff800001b93003 rax 0xffff800001b93003 r8 0x21 r9 0x1 r10 0xffff800001d3c140 r11 0xe5445c028fc98b45 r12 0 r13 0xffff800001b93003 r14 0xffffffff8214bcc0 mplsdomain r15 0x4 rip 0xffffffff81d33ff0 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff800014a21ae0 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.0) pid=288033 stat=onproc flags process=0 proc=4000000 pri=73, usrpri=73, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff9520,0xffffffff82252c30 process=0xffff8000ffff6d30 user=0xffff800014a1d000, vmspace=0xfffffd803f014108 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 96757 505313 7190 0 2 0 syz-executor.0 *96757 288033 7190 0 7 0x4000000 syz-executor.0 70687 347548 40306 0 2 0x2 syz-executor.1 7190 42360 40306 0 2 0x482 syz-executor.0 58133 119200 0 0 3 0x14200 bored sosplice 40306 77818 58774 0 3 0x82 thrsleep syz-fuzzer 40306 221158 58774 0 2 0x4000482 syz-fuzzer 40306 433192 58774 0 3 0x4000082 thrsleep syz-fuzzer 40306 107802 58774 0 3 0x4000082 kqread syz-fuzzer 40306 79770 58774 0 3 0x4000082 thrsleep syz-fuzzer 40306 307587 58774 0 3 0x4000082 thrsleep syz-fuzzer 40306 70359 58774 0 3 0x4000082 thrsleep syz-fuzzer 58774 12639 17743 0 3 0x10008a pause ksh 17743 515597 42258 0 3 0x92 select sshd 80332 37497 1 0 3 0x100083 ttyin getty 42258 331343 1 0 3 0x80 select sshd 109 485707 91676 73 2 0x100090 syslogd 91676 331939 1 0 3 0x100082 netio syslogd 38938 5898 1 77 3 0x100090 poll dhclient 46229 413844 1 0 3 0x80 poll dhclient 45167 265318 0 0 2 0x14200 zerothread 69356 200494 0 0 3 0x14200 aiodoned aiodoned 8773 435634 0 0 3 0x14200 syncer update 29792 475558 0 0 3 0x14200 cleaner cleaner 96668 173508 0 0 3 0x14200 reaper reaper 16620 308953 0 0 3 0x14200 pgdaemon pagedaemon 3963 370286 0 0 3 0x14200 bored crynlk 18992 314877 0 0 3 0x14200 bored crypto 61787 201090 0 0 3 0x40014200 acpi0 acpi0 36686 495229 0 0 3 0x14200 bored softnet 30779 37608 0 0 3 0x14200 bored systqmp 31946 29755 0 0 3 0x14200 bored systq 75347 72809 0 0 3 0x40014200 bored softclock 65448 516841 0 0 3 0x40014200 idle0 26171 146383 0 0 3 0x14200 bored smr 1 379015 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 9481 6340K 6348K 78643K 10768 0 0 pcb 24 9K 10K 78643K 364 0 0 rtable 101 3K 3K 78643K 408 0 0 ifaddr 49 12K 12K 78643K 118 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 24 0 0 iov 0 0K 16K 78643K 84 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1191 75K 76K 78643K 1552 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 13 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 606 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 21K 78643K 938 0 0 sigio 0 0K 0K 78643K 2 0 0 proc 42 30K 46K 78643K 404 0 0 subproc 64 65538K 67586K 78643K 239 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 59 0 0 in_multi 33 2K 2K 78643K 108 0 0 ether_multi 1 0K 0K 78643K 4 0 0 mrt 0 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 72 318K 318K 78643K 72 0 0 exec 0 0K 1K 78643K 255 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 72 20K 22K 78643K 2855 0 0 UVM aobj 44 2K 2K 78643K 44 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 29 0 0 NDP 9 0K 0K 78643K 38 0 0 temp 145 2357K 2421K 78643K 5486 0 0 kqueue 0 0K 0K 78643K 6 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 9 0 5 1 0 1 1 0 8 0 inpcbpl 280 318 0 311 1 0 1 1 0 8 0 plimitpl 152 31 0 24 1 0 1 1 0 8 0 rtentry 112 86 0 46 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 5 0 5 1 1 0 1 0 8 0 tcpcb 544 104 0 100 1 0 1 1 0 8 0 nd6 48 14 0 10 1 0 1 1 0 8 0 ppxss 1128 7 0 7 4 4 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 398 0 210 12 0 12 12 0 8 0 art_table 32 399 0 210 2 0 2 2 0 8 0 art_node 16 85 0 51 1 0 1 1 0 8 0 sysvmsgpl 40 25 0 7 1 0 1 1 0 8 0 semapl 112 604 0 594 1 0 1 1 0 8 0 shmpl 112 42 0 0 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2758 0 1341 46 0 46 46 0 8 0 ffsino 240 2758 0 1341 84 0 84 84 0 8 0 nchpl 144 4168 0 2523 62 0 62 62 0 8 0 uvmvnodes 72 2935 0 0 54 0 54 54 0 8 0 vnodes 200 2935 0 0 155 0 155 155 0 8 0 namei 1024 12633 0 12633 2 1 1 1 0 8 1 scsiplug 64 4 0 4 2 2 0 1 0 8 0 scxspl 192 14286 0 14286 14 11 3 6 0 8 3 sigapl 432 1093 0 1080 2 0 2 2 0 8 0 futexpl 56 18763 0 18763 1 0 1 1 0 8 1 knotepl 112 325 0 306 1 0 1 1 0 8 0 kqueuepl 104 197 0 195 1 0 1 1 0 8 0 pipepl 112 480 0 461 2 1 1 1 0 8 0 fdescpl 424 1094 0 1080 2 0 2 2 0 8 0 filepl 120 5281 0 5186 4 0 4 4 0 8 1 lockfpl 104 212 0 212 2 1 1 1 0 8 1 lockfspl 32 328 0 328 2 1 1 1 0 8 1 sessionpl 112 22 0 12 1 0 1 1 0 8 0 pgrppl 48 36 0 26 1 0 1 1 0 8 0 ucredpl 96 1313 0 1306 1 0 1 1 0 8 0 zombiepl 144 1080 0 1080 2 1 1 1 0 8 1 processpl 840 1109 0 1080 4 0 4 4 0 8 0 procpl 600 2171 0 2135 4 0 4 4 0 8 1 sockpl 384 1125 0 1107 3 0 3 3 0 8 0 mcl64k 65536 13 0 13 3 3 0 1 0 8 0 mcl16k 16384 2 0 2 2 1 1 1 0 8 1 mcl12k 12288 11 0 11 2 2 0 1 0 8 0 mcl9k 9216 9 0 9 3 2 1 1 0 8 1 mcl8k 8192 12 0 12 1 1 0 1 0 8 0 mcl4k 4096 51 0 51 2 1 1 1 0 8 1 mcl2k2 2112 7 0 7 2 2 0 1 0 8 0 mcl2k 2048 48376 0 48340 13 8 5 10 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 82153 0 82044 11 3 8 8 0 8 0 bufpl 256 8572 0 2940 353 0 353 353 0 8 0 anonpl 16 119302 0 111924 62 11 51 52 0 62 15 amapchunkpl 152 4386 0 4306 13 8 5 13 0 158 0 amappl16 192 5278 0 4819 56 24 32 36 0 8 8 amappl15 184 594 0 590 1 0 1 1 0 8 0 amappl14 176 123 0 119 2 1 1 1 0 8 0 amappl13 168 27 0 24 1 0 1 1 0 8 0 amappl12 160 121 0 116 1 0 1 1 0 8 0 amappl11 152 543 0 531 1 0 1 1 0 8 0 amappl10 144 297 0 296 3 2 1 1 0 8 0 amappl9 136 552 0 547 1 0 1 1 0 8 0 amappl8 128 137 0 122 1 0 1 1 0 8 0 amappl7 120 37 0 32 1 0 1 1 0 8 0 amappl6 112 559 0 551 1 0 1 1 0 8 0 amappl5 104 231 0 219 1 0 1 1 0 8 0 amappl4 96 1183 0 1160 2 1 1 2 0 8 0 amappl3 88 260 0 254 1 0 1 1 0 8 0 amappl2 80 8654 0 8604 2 0 2 2 0 8 0 amappl1 72 29212 0 28804 28 19 9 19 0 8 0 amappl 72 2419 0 2387 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 43 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1094 0 1080 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1094 0 1080 1 0 1 1 0 8 0 vmmpekpl 168 10224 0 10202 2 0 2 2 0 8 0 vmmpepl 168 122685 0 121307 108 32 76 88 0 357 10 vmsppl 264 1093 0 1080 2 1 1 2 0 8 0 pdppl 4096 2194 0 2160 5 0 5 5 0 8 0 pvpl 32 384445 0 373912 182 29 153 164 0 265 55 pmappl 192 1093 0 1080 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 495 0 20 14 0 14 14 0 8 0