uvm_fault(0xffffffff82220620, 0xffff80000299a002, 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(0xffffffff82220620, 0xffff80000299a002, 0, 1) -> e rtable_satoplen(21,ffff800002999f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff800014a19ca0, count: 0 ddb> trace rtable_satoplen(21,ffff800002999f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff800002999f09,ffff800002999f59,ffff800002999f11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff800002999f00,ffff800014a19d90,ffff800014a19d98,21,0) at rtm_output+0x1a7 sys/net/rtsock.c:952 route_output(fffffd803de67400,fffffd803709c900,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd803709c900,9,fffffd803de67400,0,0,ffff8000ffff3530) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd803709c900,0,ffff800014a1a058,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff3530,3,ffff800014a1a118,0,ffff800014a1a1e0) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff3530,ffff800014a1a1f8,ffff800014a1a1e0) at sys_sendto+0x92 syscall(ffff800014a1a290) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,1a18713d010) at Xsyscall+0x128 end of kernel end trace frame: 0x1a431730fd0, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff800014a19c00 rbx 0xffffffffffffff5a rdx 0xffff800002999f5d rcx 0xffff80000299a003 rax 0xffff80000299a003 r8 0x21 r9 0x1 r10 0xffff80000193c7c0 r11 0xc9be8413d75f5b0 r12 0 r13 0xffff80000299a003 r14 0xffffffff82189150 mplsdomain r15 0x4 rip 0xffffffff81767da0 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff800014a19bb0 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.1) pid=369747 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2e28,0xffff8000ffff2730 process=0xffff800014952d38 user=0xffff800014a15000, vmspace=0xfffffd803f013948 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 59448 300952 78886 0 3 0x3000 suspend syz-executor.0 59448 523201 78886 0 2 0x4081000 syz-executor.0 51617 224914 76239 0 2 0 syz-executor.1 *51617 369747 76239 0 7 0x4000000 syz-executor.1 78886 170760 19651 0 2 0x482 syz-executor.0 76239 152166 19651 0 3 0x82 nanosleep syz-executor.1 94638 133015 1 0 3 0x100083 ttyin getty 97581 273602 0 0 3 0x14200 bored sosplice 19651 301658 40056 0 3 0x82 thrsleep syz-fuzzer 19651 312279 40056 0 3 0x4000082 thrsleep syz-fuzzer 19651 313341 40056 0 3 0x4000082 thrsleep syz-fuzzer 19651 157862 40056 0 3 0x4000082 kqread syz-fuzzer 19651 364721 40056 0 3 0x4000082 thrsleep syz-fuzzer 19651 438715 40056 0 3 0x4000082 thrsleep syz-fuzzer 19651 347477 40056 0 3 0x4000082 thrsleep syz-fuzzer 19651 342987 40056 0 3 0x4000082 thrsleep syz-fuzzer 19651 372770 40056 0 3 0x4000082 thrsleep syz-fuzzer 40056 152218 60551 0 3 0x10008a pause ksh 60551 372020 26289 0 3 0x92 select sshd 26289 374724 1 0 3 0x80 select sshd 47256 404071 6766 73 2 0x100090 syslogd 6766 238379 1 0 3 0x100082 netio syslogd 93995 113211 1 77 3 0x100090 poll dhclient 7614 405091 1 0 3 0x80 poll dhclient 36336 506722 0 0 2 0x14200 zerothread 92400 140008 0 0 3 0x14200 aiodoned aiodoned 60486 299322 0 0 3 0x14200 syncer update 66379 287370 0 0 3 0x14200 cleaner cleaner 17529 241607 0 0 3 0x14200 reaper reaper 3581 511198 0 0 3 0x14200 pgdaemon pagedaemon 40472 164881 0 0 3 0x14200 bored crynlk 80684 337362 0 0 3 0x14200 bored crypto 24236 37645 0 0 3 0x40014200 acpi0 acpi0 51376 438383 0 0 3 0x14200 bored softnet 29571 241847 0 0 3 0x14200 bored systqmp 95383 511657 0 0 3 0x14200 bored systq 44847 208114 0 0 3 0x40014200 bored softclock 454 387960 0 0 3 0x40014200 idle0 78758 293885 0 0 3 0x14200 bored smr 1 283694 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 9497 6339K 6355K 78643K 10933 0 0 pcb 24 9K 10K 78643K 714 0 0 rtable 101 3K 3K 78643K 730 0 0 ifaddr 55 13K 14K 78643K 206 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 44 0 0 iov 0 0K 24K 78643K 146 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1195 75K 75K 78643K 1759 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 15 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 124 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 21K 78643K 1003 0 0 sigio 0 0K 0K 78643K 18 0 0 proc 42 30K 54K 78643K 670 0 0 subproc 64 65538K 67586K 78643K 519 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 106 0 0 in_multi 33 2K 2K 78643K 218 0 0 ether_multi 1 0K 0K 78643K 5 0 0 mrt 0 0K 0K 78643K 2 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 295 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 86 20K 22K 78643K 3162 0 0 UVM aobj 33 2K 2K 78643K 37 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 48 0 0 NDP 11 0K 0K 78643K 73 0 0 temp 159 2354K 2421K 78643K 6238 0 0 kqueue 0 0K 0K 78643K 13 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 17 0 13 1 0 1 1 0 8 0 inpcbpl 280 544 0 537 1 0 1 1 0 8 0 plimitpl 152 65 0 58 1 0 1 1 0 8 0 rtentry 112 158 0 118 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 188 0 184 1 0 1 1 0 8 0 nd6 48 30 0 26 1 0 1 1 0 8 0 ppxss 1128 14 0 14 5 4 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 735 0 545 12 0 12 12 0 8 0 art_table 32 736 0 545 2 0 2 2 0 8 0 art_node 16 157 0 123 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 5 1 0 1 1 0 8 0 semapl 112 122 0 112 1 0 1 1 0 8 0 shmpl 112 35 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2972 0 1510 48 0 48 48 0 8 0 ffsino 240 2972 0 1510 87 0 87 87 0 8 0 nchpl 144 4594 0 2916 63 0 63 63 0 8 0 uvmvnodes 72 3315 0 0 61 0 61 61 0 8 0 vnodes 200 3315 0 0 175 0 175 175 0 8 0 namei 1024 14230 0 14230 2 1 1 1 0 8 1 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 17716 0 17716 12 11 1 6 0 8 1 sigapl 432 1133 0 1119 2 0 2 2 0 8 0 futexpl 56 15639 0 15639 1 0 1 1 0 8 1 knotepl 112 494 0 467 4 2 2 2 0 8 1 kqueuepl 104 283 0 281 1 0 1 1 0 8 0 pipepl 112 814 0 795 5 3 2 2 0 8 1 fdescpl 424 1134 0 1119 2 0 2 2 0 8 0 filepl 120 7596 0 7497 4 0 4 4 0 8 1 lockfpl 104 225 0 225 3 2 1 1 0 8 1 lockfspl 32 108 0 108 3 2 1 1 0 8 1 sessionpl 112 31 0 21 1 0 1 1 0 8 0 pgrppl 48 49 0 39 1 0 1 1 0 8 0 ucredpl 96 1419 0 1412 1 0 1 1 0 8 0 zombiepl 144 1119 0 1119 2 1 1 1 0 8 1 processpl 840 1149 0 1119 4 0 4 4 0 8 0 procpl 600 2293 0 2253 4 0 4 4 0 8 0 sosppl 128 15 0 15 4 3 1 1 0 8 1 sockpl 384 1151 0 1133 4 1 3 4 0 8 1 mcl64k 65536 258 0 258 35 34 1 29 0 8 1 mcl16k 16384 2 0 2 2 2 0 1 0 8 0 mcl12k 12288 17 0 17 10 9 1 1 0 8 1 mcl9k 9216 16 0 16 9 8 1 1 0 8 1 mcl8k 8192 20 0 20 7 6 1 1 0 8 1 mcl4k 4096 53 0 53 8 7 1 1 0 8 1 mcl2k2 2112 17 0 17 7 6 1 1 0 8 1 mcl2k 2048 48314 0 48279 15 10 5 11 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 85133 0 85075 26 21 5 19 0 8 0 bufpl 256 7919 0 3521 276 0 276 276 0 8 0 anonpl 16 143124 0 134234 84 36 48 52 0 62 10 amapchunkpl 152 5490 0 5408 19 11 8 13 0 158 4 amappl16 192 6760 0 6276 87 55 32 36 0 8 7 amappl15 184 213 0 211 1 0 1 1 0 8 0 amappl14 176 419 0 414 1 0 1 1 0 8 0 amappl13 168 96 0 93 1 0 1 1 0 8 0 amappl12 160 363 0 363 2 2 0 1 0 8 0 amappl11 152 354 0 345 1 0 1 1 0 8 0 amappl10 144 86 0 83 2 1 1 1 0 8 0 amappl9 136 557 0 551 1 0 1 1 0 8 0 amappl8 128 470 0 447 1 0 1 1 0 8 0 amappl7 120 93 0 87 1 0 1 1 0 8 0 amappl6 112 244 0 236 1 0 1 1 0 8 0 amappl5 104 359 0 347 1 0 1 1 0 8 0 amappl4 96 305 0 280 1 0 1 1 0 8 0 amappl3 88 323 0 316 1 0 1 1 0 8 0 amappl2 80 9494 0 9434 2 0 2 2 0 8 0 amappl1 72 30167 0 29738 25 16 9 19 0 8 0 amappl 72 2608 0 2575 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 36 0 4 1 0 1 1 0 8 0 uaddrrnd 24 1134 0 1119 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1134 0 1119 1 0 1 1 0 8 0 vmmpekpl 168 11220 0 11199 2 0 2 2 0 8 0 vmmpepl 168 133221 0 131720 113 43 70 82 0 357 2 vmsppl 264 1133 0 1119 3 2 1 2 0 8 0 pdppl 4096 2274 0 2238 5 0 5 5 0 8 0 pvpl 32 429527 0 417544 178 53 125 134 0 265 27 pmappl 192 1133 0 1119 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 482 0 83 13 0 13 13 0 8 0