uvm_fault(0xffffffff821fee90, 0xffff800003791002, 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, 0xffff800003791002, 0, 1) -> e rtable_satoplen(21,ffff800003790f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff800014a04180, count: 0 ddb> trace rtable_satoplen(21,ffff800003790f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff800003790f09,ffff800003790f59,ffff800003790f11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff800003790f00,ffff800014a04270,ffff800014a04278,21,0) at rtm_output+0x1a7 sys/net/rtsock.c:952 route_output(fffffd80322dbb00,fffffd8037016a80,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd8037016a80,9,fffffd80322dbb00,0,0,ffff8000ffff2720) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd8037016a80,0,ffff800014a04538,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff2720,4,ffff800014a045f8,0,ffff800014a046c0) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff2720,ffff800014a046d8,ffff800014a046c0) at sys_sendto+0x92 syscall(ffff800014a04770) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,cac0f470010) at Xsyscall+0x128 end of kernel end trace frame: 0xcaeb70c2420, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff800014a040e0 rbx 0xffffffffffffff5a rdx 0xffff800003790f5d rcx 0xffff800003791003 rax 0xffff800003791003 r8 0x21 r9 0x1 r10 0xffff80000194b080 r11 0xac701c4dc4ceb23 r12 0 r13 0xffff800003791003 r14 0xffffffff821d6a78 mplsdomain r15 0x4 rip 0xffffffff81741610 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff800014a04090 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.0) pid=303014 stat=onproc flags process=0 proc=4000000 pri=60, usrpri=60, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff3080,0xffffffff82290d98 process=0xffff8000ffff66a0 user=0xffff8000149ff000, 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 62222 1560 73729 0 2 0 syz-executor.0 *62222 303014 73729 0 7 0x4000000 syz-executor.0 82164 329037 37356 0 2 0x2 syz-executor.1 73729 207554 37356 0 3 0x82 nanosleep syz-executor.0 32808 68020 1 0 3 0x100083 ttyin getty 90755 52943 0 0 3 0x14200 bored sosplice 37356 341394 86854 0 3 0x82 thrsleep syz-fuzzer 37356 117764 86854 0 2 0x4000482 syz-fuzzer 37356 314277 86854 0 3 0x4000082 thrsleep syz-fuzzer 37356 31745 86854 0 3 0x4000082 kqread syz-fuzzer 37356 494386 86854 0 3 0x4000082 thrsleep syz-fuzzer 37356 495291 86854 0 3 0x4000082 thrsleep syz-fuzzer 37356 223380 86854 0 3 0x4000082 thrsleep syz-fuzzer 37356 8039 86854 0 3 0x4000082 thrsleep syz-fuzzer 86854 189084 27509 0 3 0x10008a pause ksh 27509 230167 12209 0 3 0x92 select sshd 12209 95298 1 0 3 0x80 select sshd 318 2099 66165 73 2 0x100010 syslogd 66165 156859 1 0 3 0x100082 netio syslogd 94158 291452 1 77 3 0x100090 poll dhclient 94786 238462 1 0 3 0x80 poll dhclient 46401 473161 0 0 2 0x14200 zerothread 48520 411433 0 0 3 0x14200 aiodoned aiodoned 31556 243286 0 0 3 0x14200 syncer update 48758 311944 0 0 3 0x14200 cleaner cleaner 74144 354866 0 0 3 0x14200 reaper reaper 32217 325469 0 0 3 0x14200 pgdaemon pagedaemon 8094 18182 0 0 3 0x14200 bored crynlk 18108 286719 0 0 3 0x14200 bored crypto 32465 233302 0 0 3 0x40014200 acpi0 acpi0 550 312636 0 0 3 0x14200 bored softnet 30840 195810 0 0 3 0x14200 bored systqmp 78265 16036 0 0 3 0x14200 bored systq 92991 435245 0 0 3 0x40014200 bored softclock 69814 392831 0 0 3 0x40014200 idle0 79761 478405 0 0 3 0x14200 bored smr 1 507230 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 9527 10455K 10477K 78643K 11485 0 0 pcb 25 9K 11K 78643K 1223 0 0 rtable 104 4K 4K 78643K 1522 0 0 ifaddr 64 15K 15K 78643K 490 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 78 0 0 iov 0 0K 24K 78643K 340 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1199 75K 75K 78643K 2640 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 44 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 325 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 21K 78643K 2215 0 0 sigio 0 0K 0K 78643K 26 0 0 proc 42 30K 46K 78643K 1045 0 0 subproc 64 65538K 67586K 78643K 953 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 290 0 0 in_multi 33 2K 2K 78643K 435 0 0 ether_multi 1 0K 0K 78643K 27 0 0 mrt 0 0K 0K 78643K 8 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 502 0 0 pfkey data 0 0K 0K 78643K 1 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 89 21K 29K 78643K 6329 0 0 UVM aobj 130 8K 8K 78643K 147 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 128 0 0 NDP 16 0K 0K 78643K 167 0 0 temp 184 2359K 2427K 78643K 10643 0 0 kqueue 0 0K 0K 78643K 14 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 30 0 26 1 0 1 1 0 8 0 inpcbpl 280 1208 0 1199 3 2 1 2 0 8 0 plimitpl 152 109 0 102 1 0 1 1 0 8 0 rtentry 112 277 0 237 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 4 0 4 2 1 1 1 0 8 1 tcpcb 544 439 0 435 1 0 1 1 0 8 0 nd6 48 56 0 52 1 0 1 1 0 8 0 ppxss 1128 61 0 61 12 11 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1277 0 1088 15 3 12 13 0 8 0 art_table 32 1278 0 1088 2 0 2 2 0 8 0 art_node 16 274 0 240 1 0 1 1 0 8 0 sysvmsgpl 40 27 0 13 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 323 0 313 1 0 1 1 0 8 0 shmpl 112 145 0 17 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 5201 0 3693 49 0 49 49 0 8 0 ffsino 240 5201 0 3693 89 0 89 89 0 8 0 nchpl 144 8517 0 6828 63 0 63 63 0 8 0 uvmvnodes 72 5846 0 0 107 0 107 107 0 8 0 vnodes 200 5846 0 0 308 0 308 308 0 8 0 namei 1024 27540 0 27539 3 2 1 1 0 8 0 scsiplug 64 6 0 6 5 5 0 1 0 8 0 scxspl 192 35183 0 35183 14 13 1 6 0 8 1 sigapl 432 2315 0 2302 2 0 2 2 0 8 0 futexpl 56 35877 0 35877 4 3 1 1 0 8 1 knotepl 112 1116 0 1097 1 0 1 1 0 8 0 kqueuepl 104 675 0 673 1 0 1 1 0 8 0 pipepl 112 1550 0 1531 4 3 1 2 0 8 0 fdescpl 424 2316 0 2302 2 0 2 2 0 8 0 filepl 120 15204 0 15108 7 3 4 5 0 8 1 lockfpl 104 683 0 683 5 4 1 1 0 8 1 lockfspl 32 776 0 776 5 4 1 1 0 8 1 sessionpl 112 51 0 41 1 0 1 1 0 8 0 pgrppl 48 85 0 75 1 0 1 1 0 8 0 ucredpl 96 3488 0 3481 1 0 1 1 0 8 0 zombiepl 144 2302 0 2302 1 0 1 1 0 8 1 processpl 840 2331 0 2302 4 0 4 4 0 8 0 procpl 600 5142 0 5105 4 0 4 4 0 8 0 sosppl 128 28 0 28 9 9 0 1 0 8 0 sockpl 384 2247 0 2228 7 4 3 4 0 8 1 mcl64k 65536 568 0 568 44 32 12 32 0 8 12 mcl16k 16384 2 0 2 2 2 0 1 0 8 0 mcl12k 12288 44 0 44 13 12 1 1 0 8 1 mcl9k 9216 36 0 36 10 10 0 1 0 8 0 mcl8k 8192 29 0 29 15 14 1 1 0 8 1 mcl4k 4096 124 0 124 9 8 1 1 0 8 1 mcl2k2 2112 12 0 12 9 8 1 1 0 8 1 mcl2k 2048 50012 0 49976 19 12 7 12 0 8 2 mtagpl 80 4 0 4 2 2 0 1 0 8 0 mbufpl 256 95956 0 95866 28 19 9 23 0 8 1 bufpl 256 12604 0 6898 357 0 357 357 0 8 0 anonpl 16 283809 0 275860 142 94 48 53 0 62 7 amapchunkpl 152 12223 0 12132 48 33 15 15 0 158 10 amappl16 192 13398 0 12929 151 126 25 37 0 8 1 amappl15 184 724 0 719 1 0 1 1 0 8 0 amappl14 176 592 0 589 1 0 1 1 0 8 0 amappl13 168 62 0 57 1 0 1 1 0 8 0 amappl12 160 551 0 551 6 6 0 1 0 8 0 amappl11 152 506 0 494 1 0 1 1 0 8 0 amappl10 144 342 0 340 1 0 1 1 0 8 0 amappl9 136 771 0 768 1 0 1 1 0 8 0 amappl8 128 331 0 312 1 0 1 1 0 8 0 amappl7 120 85 0 80 1 0 1 1 0 8 0 amappl6 112 543 0 533 1 0 1 1 0 8 0 amappl5 104 311 0 301 1 0 1 1 0 8 0 amappl4 96 2052 0 2026 2 1 1 2 0 8 0 amappl3 88 1144 0 1139 1 0 1 1 0 8 0 amappl2 80 19407 0 19354 2 0 2 2 0 8 0 amappl1 72 52904 0 52498 25 16 9 19 0 8 0 amappl 72 5549 0 5515 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 64 146 0 17 3 0 3 3 0 8 0 uaddrrnd 24 2316 0 2302 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2316 0 2302 1 0 1 1 0 8 0 vmmpekpl 168 19786 0 19767 2 0 2 2 0 8 0 vmmpepl 168 257010 0 255623 181 102 79 92 0 357 10 vmsppl 264 2315 0 2302 8 6 2 2 0 8 1 pdppl 4096 4638 0 4604 5 0 5 5 0 8 0 pvpl 32 851464 0 840356 410 196 214 241 0 265 112 pmappl 192 2315 0 2302 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 593 0 94 16 0 16 16 0 8 0