uvm_fault(0xffffffff82228dc8, 0xffff800001994002, 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(0xffffffff82228dc8, 0xffff800001994002, 0, 1) -> e rtable_satoplen(21,ffff800001993f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff800014a09da0, count: 0 ddb> trace rtable_satoplen(21,ffff800001993f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff800001993f09,ffff800001993f59,ffff800001993f11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff800001993f00,ffff800014a09e90,ffff800014a09e98,21,0) at rtm_output+0x1a7 sys/net/rtsock.c:952 route_output(fffffd80352da000,fffffd8037008600,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd8037008600,9,fffffd80352da000,0,0,ffff8000ffff2270) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd8037008600,0,ffff800014a0a158,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff2270,3,ffff800014a0a218,0,ffff800014a0a2e0) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff2270,ffff800014a0a2f8,ffff800014a0a2e0) at sys_sendto+0x92 syscall(ffff800014a0a390) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,179dcfb010) at Xsyscall+0x128 end of kernel end trace frame: 0x1a14bbf720, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff800014a09d00 rbx 0xffffffffffffff5a rdx 0xffff800001993f5d rcx 0xffff800001994003 rax 0xffff800001994003 r8 0x21 r9 0x1 r10 0xffff800000935dc0 r11 0x92be4f7409d16947 r12 0 r13 0xffff800001994003 r14 0xffffffff821d4b60 mplsdomain r15 0x4 rip 0xffffffff813e7690 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff800014a09cb0 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.0) pid=294633 stat=onproc flags process=0 proc=4000000 pri=78, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2e28,0xffffffff8224e5d0 process=0xffff8000ffff7078 user=0xffff800014a05000, vmspace=0xfffffd803f014210 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 54367 269647 8869 0 2 0 syz-executor.0 *54367 294633 8869 0 7 0x4000000 syz-executor.0 66907 120171 0 0 3 0x14200 bored sosplice 44359 187711 58999 0 2 0x2 syz-executor.1 8869 39021 58999 0 3 0x82 nanosleep syz-executor.0 58999 321595 69573 0 3 0x82 thrsleep syz-fuzzer 58999 416960 69573 0 2 0x4000482 syz-fuzzer 58999 261893 69573 0 3 0x4000082 thrsleep syz-fuzzer 58999 19686 69573 0 3 0x4000082 thrsleep syz-fuzzer 58999 353342 69573 0 3 0x4000082 thrsleep syz-fuzzer 58999 5986 69573 0 3 0x4000082 thrsleep syz-fuzzer 58999 149782 69573 0 3 0x4000082 thrsleep syz-fuzzer 58999 346832 69573 0 3 0x4000082 kqread syz-fuzzer 69573 515671 65904 0 3 0x10008a pause ksh 65904 386567 56043 0 3 0x92 select sshd 5331 168241 1 0 3 0x100083 ttyin getty 56043 303138 1 0 3 0x80 select sshd 21764 279912 76483 73 2 0x100090 syslogd 76483 346889 1 0 3 0x100082 netio syslogd 93196 136871 1 77 3 0x100090 poll dhclient 38867 16415 1 0 3 0x80 poll dhclient 34847 76684 0 0 2 0x14200 zerothread 77687 366967 0 0 3 0x14200 aiodoned aiodoned 74902 385069 0 0 3 0x14200 syncer update 68359 349554 0 0 3 0x14200 cleaner cleaner 93125 49544 0 0 3 0x14200 reaper reaper 59205 292395 0 0 3 0x14200 pgdaemon pagedaemon 46086 79909 0 0 3 0x14200 bored crynlk 2526 99354 0 0 3 0x14200 bored crypto 4663 519849 0 0 3 0x40014200 acpi0 acpi0 87764 345249 0 0 3 0x14200 bored softnet 37839 158193 0 0 3 0x14200 bored systqmp 48699 378475 0 0 3 0x14200 bored systq 7034 69628 0 0 3 0x40014200 bored softclock 74169 73260 0 0 3 0x40014200 idle0 488 117361 0 0 3 0x14200 bored smr 1 326590 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 9482 6334K 6350K 78643K 10809 0 0 pcb 24 9K 10K 78643K 333 0 0 rtable 101 3K 3K 78643K 348 0 0 ifaddr 49 12K 13K 78643K 156 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 17 0 0 iov 0 0K 32K 78643K 105 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1192 75K 75K 78643K 1549 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 11 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 1K 78643K 90 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 562 0 0 sigio 0 0K 0K 78643K 6 0 0 proc 42 30K 54K 78643K 335 0 0 subproc 64 65538K 69634K 78643K 68 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 88 0 0 in_multi 33 2K 2K 78643K 72 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 78 344K 344K 78643K 78 0 0 exec 0 0K 1K 78643K 216 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 82 20K 24K 78643K 2127 0 0 UVM aobj 49 2K 2K 78643K 55 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 22 0 0 NDP 9 0K 0K 78643K 41 0 0 temp 135 2351K 2421K 78643K 4475 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 4 0 0 1 0 1 1 0 8 0 inpcbpl 280 300 0 293 1 0 1 1 0 8 0 plimitpl 152 30 0 23 1 0 1 1 0 8 0 rtentry 112 41 0 1 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 110 0 106 1 0 1 1 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 26 0 26 3 2 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 185 0 0 12 0 12 12 0 8 0 art_table 32 186 0 0 2 0 2 2 0 8 0 art_node 16 40 0 6 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 1 1 0 1 0 8 0 semapl 112 86 0 76 1 0 1 1 0 8 0 shmpl 112 53 0 6 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2522 0 1116 46 0 46 46 0 8 0 ffsino 240 2522 0 1116 84 0 84 84 0 8 0 nchpl 144 3558 0 1938 61 0 61 61 0 8 0 uvmvnodes 72 2619 0 0 48 0 48 48 0 8 0 vnodes 200 2619 0 0 138 0 138 138 0 8 0 namei 1024 10557 0 10556 2 1 1 1 0 8 0 scsiplug 64 2 0 2 2 2 0 1 0 8 0 scxspl 192 12864 0 12864 14 13 1 6 0 8 1 sigapl 432 730 0 717 2 0 2 2 0 8 0 futexpl 56 9973 0 9973 1 0 1 1 0 8 1 knotepl 112 283 0 256 3 2 1 2 0 8 0 kqueuepl 104 236 0 234 1 0 1 1 0 8 0 pipepl 112 480 0 461 2 1 1 1 0 8 0 fdescpl 424 731 0 717 2 0 2 2 0 8 0 filepl 120 4796 0 4701 4 0 4 4 0 8 1 lockfpl 104 210 0 210 2 1 1 1 0 8 1 lockfspl 32 144 0 144 2 1 1 1 0 8 1 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 25 0 15 1 0 1 1 0 8 0 ucredpl 96 1250 0 1243 1 0 1 1 0 8 0 zombiepl 144 717 0 717 2 1 1 1 0 8 1 processpl 840 746 0 717 4 0 4 4 0 8 0 procpl 600 1516 0 1479 4 0 4 4 0 8 0 sosppl 128 8 0 8 3 3 0 1 0 8 0 sockpl 384 584 0 566 3 0 3 3 0 8 1 mcl64k 65536 29 0 29 3 2 1 1 0 8 1 mcl16k 16384 3 0 3 2 2 0 1 0 8 0 mcl12k 12288 13 0 13 3 2 1 1 0 8 1 mcl9k 9216 13 0 13 4 3 1 1 0 8 1 mcl8k 8192 10 0 10 3 3 0 1 0 8 0 mcl4k 4096 41 0 41 1 0 1 1 0 8 1 mcl2k2 2112 6 0 6 4 4 0 1 0 8 0 mcl2k 2048 47378 0 47344 12 7 5 9 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 80346 0 80302 13 8 5 10 0 8 0 bufpl 256 8380 0 2877 345 0 345 345 0 8 0 anonpl 16 96156 0 87171 68 15 53 54 0 62 16 amapchunkpl 152 3364 0 3285 16 12 4 14 0 158 0 amappl16 192 4615 0 4126 64 31 33 37 0 8 8 amappl15 184 272 0 268 1 0 1 1 0 8 0 amappl14 176 27 0 21 1 0 1 1 0 8 0 amappl13 168 25 0 22 1 0 1 1 0 8 0 amappl12 160 2 0 2 1 1 0 1 0 8 0 amappl11 152 446 0 435 1 0 1 1 0 8 0 amappl10 144 53 0 52 2 1 1 1 0 8 0 amappl9 136 273 0 270 1 0 1 1 0 8 0 amappl8 128 123 0 105 1 0 1 1 0 8 0 amappl7 120 24 0 21 1 0 1 1 0 8 0 amappl6 112 53 0 48 1 0 1 1 0 8 0 amappl5 104 555 0 540 1 0 1 1 0 8 0 amappl4 96 540 0 519 1 0 1 1 0 8 0 amappl3 88 151 0 145 1 0 1 1 0 8 0 amappl2 80 6104 0 6052 2 0 2 2 0 8 0 amappl1 72 21981 0 21563 26 17 9 19 0 8 0 amappl 72 1726 0 1695 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 54 0 6 1 0 1 1 0 8 0 uaddrrnd 24 731 0 717 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 731 0 717 1 0 1 1 0 8 0 vmmpekpl 168 8907 0 8889 2 0 2 2 0 8 1 vmmpepl 168 86595 0 85181 97 24 73 77 0 357 8 vmsppl 264 730 0 717 2 1 1 2 0 8 0 pdppl 4096 1468 0 1434 6 1 5 6 0 8 0 pvpl 32 339956 0 327964 245 44 201 240 0 265 101 pmappl 192 730 0 717 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 490 0 26 14 0 14 14 0 8 0