login: oMoMuvm_fault(0xffffffff8224a310, 0xffff80000417e002, 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, 0xffff80000417e002, 0, 1) -> e rtable_satoplen(21,ffff80000417df59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff800014a27160, count: 0 ddb> trace rtable_satoplen(21,ffff80000417df59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff80000417df09,ffff80000417df59,ffff80000417df11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff80000417df00,ffff800014a27250,ffff800014a27258,21,0) at rtm_output+0x1a7 sys/net/rtsock.c:952 route_output(fffffd803f030600,fffffd803643f908,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd803643f908,9,fffffd803f030600,0,0,ffff8000ffff3788) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd803643f908,0,ffff800014a27518,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff3788,3,ffff800014a275d8,0,ffff800014a276a0) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff3788,ffff800014a276b8,ffff800014a276a0) at sys_sendto+0x92 syscall(ffff800014a27750) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,8bd0869e010) at Xsyscall+0x128 end of kernel end trace frame: 0x8bf4b9f3460, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff800014a270c0 rbx 0xffffffffffffff5a rdx 0xffff80000417df5d rcx 0xffff80000417e003 rax 0xffff80000417e003 r8 0x21 r9 0x1 r10 0xffff80000453c640 r11 0xb9b63f70825c555b r12 0 r13 0xffff80000417e003 r14 0xffffffff821d5430 mplsdomain r15 0x4 rip 0xffffffff81325f20 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff800014a27070 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.1) pid=207691 stat=onproc flags process=0 proc=4000000 pri=77, usrpri=77, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2720,0xffffffff822cc900 process=0xffff8000ffff66a0 user=0xffff800014a22000, vmspace=0xfffffd803f014210 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 14993 313783 72105 0 2 0 syz-executor.1 *14993 207691 72105 0 7 0x4000000 syz-executor.1 55889 251886 29783 0 2 0 syz-executor.0 55889 98567 29783 0 3 0x4000080 piperd syz-executor.0 17871 122338 1 0 3 0x100083 ttyin getty 29783 460347 80784 0 3 0x82 nanosleep syz-executor.0 72105 158660 80784 0 3 0x82 nanosleep syz-executor.1 89641 213143 0 0 3 0x14200 bored sosplice 80784 127328 3223 0 3 0x82 thrsleep syz-fuzzer 80784 83387 3223 0 3 0x4000082 thrsleep syz-fuzzer 80784 339747 3223 0 3 0x4000082 thrsleep syz-fuzzer 80784 59210 3223 0 3 0x4000082 kqread syz-fuzzer 80784 281351 3223 0 3 0x4000082 thrsleep syz-fuzzer 80784 349312 3223 0 3 0x4000082 thrsleep syz-fuzzer 80784 517983 3223 0 3 0x4000082 thrsleep syz-fuzzer 80784 390804 3223 0 3 0x4000082 thrsleep syz-fuzzer 3223 16411 51406 0 3 0x10008a pause ksh 51406 307664 74552 0 3 0x92 select sshd 74552 342029 1 0 3 0x80 select sshd 14584 412364 639 73 2 0x100090 syslogd 639 470297 1 0 3 0x100082 netio syslogd 82267 42295 1 77 3 0x100090 poll dhclient 94313 223518 1 0 3 0x80 poll dhclient 27711 480744 0 0 2 0x14200 zerothread 20375 422024 0 0 3 0x14200 aiodoned aiodoned 97711 45981 0 0 3 0x14200 syncer update 42994 113792 0 0 3 0x14200 cleaner cleaner 93130 337302 0 0 3 0x14200 reaper reaper 71301 469852 0 0 3 0x14200 pgdaemon pagedaemon 15089 90204 0 0 3 0x14200 bored crynlk 22350 457378 0 0 3 0x14200 bored crypto 68172 366497 0 0 3 0x40014200 acpi0 acpi0 49821 92703 0 0 3 0x14200 bored softnet 46565 133780 0 0 3 0x14200 bored systqmp 58351 51274 0 0 3 0x14200 bored systq 53163 142876 0 0 3 0x40014200 bored softclock 35879 335225 0 0 3 0x40014200 idle0 54133 9608 0 0 3 0x14200 bored smr 1 253132 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 9502 6340K 6356K 78643K 10759 0 0 pcb 24 9K 10K 78643K 300 0 0 rtable 101 3K 3K 78643K 319 0 0 ifaddr 58 13K 13K 78643K 98 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 24 0 0 iov 0 0K 16K 78643K 61 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1202 75K 76K 78643K 1519 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 16 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 66 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 25K 78643K 440 0 0 sigio 0 0K 0K 78643K 4 0 0 proc 42 30K 46K 78643K 416 0 0 subproc 64 65538K 69634K 78643K 170 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 57 0 0 in_multi 33 2K 2K 78643K 85 0 0 ether_multi 1 0K 0K 78643K 8 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 60 265K 265K 78643K 60 0 0 exec 0 0K 1K 78643K 247 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 79 20K 21K 78643K 1861 0 0 UVM aobj 37 2K 2K 78643K 39 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 8 0 0 NDP 12 0K 0K 78643K 30 0 0 temp 165 2350K 2414K 78643K 4170 0 0 kqueue 0 0K 0K 78643K 3 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 280 216 0 209 1 0 1 1 0 8 0 plimitpl 152 33 0 26 1 0 1 1 0 8 0 rtentry 112 68 0 28 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 78 0 74 1 0 1 1 0 8 0 nd6 48 10 0 6 1 0 1 1 0 8 0 ppxss 1128 5 0 5 2 1 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 310 0 123 12 0 12 12 0 8 0 art_table 32 311 0 123 2 0 2 2 0 8 0 art_node 16 67 0 33 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 4 1 0 1 1 0 8 0 semapl 112 60 0 50 1 0 1 1 0 8 0 shmpl 112 37 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2221 0 796 47 0 47 47 0 8 0 ffsino 240 2221 0 796 84 0 84 84 0 8 0 nchpl 144 3034 0 1401 61 0 61 61 0 8 0 uvmvnodes 72 2380 0 0 44 0 44 44 0 8 0 vnodes 200 2380 0 0 126 0 126 126 0 8 0 namei 1024 8566 0 8566 2 1 1 1 0 8 1 scxspl 192 8022 0 8022 9 8 1 7 0 8 1 sigapl 432 602 0 588 2 0 2 2 0 8 0 futexpl 56 7214 0 7214 1 0 1 1 0 8 1 knotepl 112 215 0 188 2 1 1 2 0 8 0 kqueuepl 104 115 0 113 1 0 1 1 0 8 0 pipepl 112 404 0 383 2 1 1 1 0 8 0 fdescpl 424 603 0 588 2 0 2 2 0 8 0 filepl 120 3647 0 3550 4 0 4 4 0 8 0 lockfpl 104 149 0 149 2 1 1 1 0 8 1 lockfspl 32 131 0 131 2 1 1 1 0 8 1 sessionpl 112 23 0 13 1 0 1 1 0 8 0 pgrppl 48 27 0 17 1 0 1 1 0 8 0 ucredpl 96 819 0 812 1 0 1 1 0 8 0 zombiepl 144 588 0 588 2 1 1 1 0 8 1 processpl 840 618 0 588 4 0 4 4 0 8 0 procpl 600 1183 0 1144 4 0 4 4 0 8 0 sosppl 128 13 0 13 3 2 1 1 0 8 1 sockpl 384 465 0 447 3 0 3 3 0 8 1 mcl64k 65536 17 0 17 3 2 1 1 0 8 1 mcl16k 16384 1 0 1 1 1 0 1 0 8 0 mcl12k 12288 10 0 10 2 1 1 1 0 8 1 mcl9k 9216 7 0 7 3 2 1 1 0 8 1 mcl8k 8192 4 0 4 2 2 0 1 0 8 0 mcl4k 4096 36 0 36 2 1 1 1 0 8 1 mcl2k 2048 46749 0 46714 15 9 6 12 0 8 1 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 78616 0 78535 14 7 7 8 0 8 0 bufpl 256 6244 0 1942 269 0 269 269 0 8 0 anonpl 16 80815 0 72398 66 15 51 51 0 62 15 amapchunkpl 152 2545 0 2463 5 0 5 5 0 158 1 amappl16 192 3478 0 3019 57 22 35 36 0 8 11 amappl15 184 123 0 120 1 0 1 1 0 8 0 amappl14 176 104 0 98 1 0 1 1 0 8 0 amappl13 168 167 0 164 1 0 1 1 0 8 0 amappl12 160 74 0 74 2 2 0 1 0 8 0 amappl11 152 308 0 298 1 0 1 1 0 8 0 amappl10 144 68 0 67 2 1 1 1 0 8 0 amappl9 136 467 0 462 1 0 1 1 0 8 0 amappl8 128 286 0 266 1 0 1 1 0 8 0 amappl7 120 166 0 159 1 0 1 1 0 8 0 amappl6 112 54 0 48 1 0 1 1 0 8 0 amappl5 104 149 0 137 1 0 1 1 0 8 0 amappl4 96 292 0 270 1 0 1 1 0 8 0 amappl3 88 145 0 139 1 0 1 1 0 8 0 amappl2 80 4756 0 4695 2 0 2 2 0 8 0 amappl1 72 19810 0 19377 26 17 9 19 0 8 0 amappl 72 1424 0 1391 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 38 0 2 1 0 1 1 0 8 0 uaddrrnd 24 603 0 588 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 603 0 588 1 0 1 1 0 8 0 vmmpekpl 168 8149 0 8130 2 0 2 2 0 8 0 vmmpepl 168 69771 0 68299 91 15 76 76 0 357 12 vmsppl 264 602 0 588 2 1 1 2 0 8 0 pdppl 4096 1212 0 1176 6 1 5 6 0 8 0 pvpl 32 225057 0 213551 150 19 131 131 0 265 32 pmappl 192 602 0 588 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 417 0 26 12 0 12 12 0 8 0