uvm_fault(0xffffffff8221dd88, 0xffff800004d41002, 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(0xffffffff8221dd88, 0xffff800004d41002, 0, 1) -> e rtable_satoplen(21,ffff800004d40f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff8000149fe330, count: 0 ddb> trace rtable_satoplen(21,ffff800004d40f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff800004d40f09,ffff800004d40f59,ffff800004d40f11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff800004d40f00,ffff8000149fe420,ffff8000149fe428,21,0) at rtm_output+0x1a7 sys/net/rtsock.c:952 route_output(fffffd800459a700,fffffd803854a790,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd803854a790,9,fffffd800459a700,0,0,ffff8000ffff32d8) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd803854a790,0,ffff8000149fe6e8,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff32d8,3,ffff8000149fe7a8,0,ffff8000149fe870) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff32d8,ffff8000149fe888,ffff8000149fe870) at sys_sendto+0x92 syscall(ffff8000149fe920) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,65a53b54010) at Xsyscall+0x128 end of kernel end trace frame: 0x65d0d4115e0, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff8000149fe290 rbx 0xffffffffffffff5a rdx 0xffff800004d40f5d rcx 0xffff800004d41003 rax 0xffff800004d41003 r8 0x21 r9 0x1 r10 0xffff80000193c700 r11 0x73a23eeb202afdfc r12 0 r13 0xffff800004d41003 r14 0xffffffff8216dfd8 mplsdomain r15 0x4 rip 0xffffffff81e07880 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff8000149fe240 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.1) pid=507181 stat=onproc flags process=0 proc=4000000 pri=75, usrpri=75, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2720,0xffffffff82254d50 process=0xffff8000ffff7a50 user=0xffff8000149f9000, vmspace=0xfffffd803f013108 estcpu=25, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 58180 381875 96739 0 2 0 syz-executor.1 *58180 507181 96739 0 7 0x4000000 syz-executor.1 88073 4089 94796 0 2 0 syz-executor.0 88073 399746 94796 0 3 0x4000080 fifow syz-executor.0 96739 413589 21994 0 3 0x82 nanosleep syz-executor.1 94796 133181 21994 0 3 0x82 nanosleep syz-executor.0 65841 415365 0 0 3 0x14200 bored sosplice 21994 162451 46869 0 3 0x82 thrsleep syz-fuzzer 21994 517172 46869 0 3 0x4000082 thrsleep syz-fuzzer 21994 131554 46869 0 3 0x4000082 thrsleep syz-fuzzer 21994 30936 46869 0 3 0x4000082 kqread syz-fuzzer 21994 98428 46869 0 3 0x4000082 thrsleep syz-fuzzer 21994 506843 46869 0 3 0x4000082 thrsleep syz-fuzzer 21994 8685 46869 0 3 0x4000082 thrsleep syz-fuzzer 21994 116200 46869 0 3 0x4000082 thrsleep syz-fuzzer 46869 169158 53181 0 3 0x10008a pause ksh 53181 388993 44753 0 3 0x92 select sshd 15942 491918 1 0 3 0x100083 ttyin getty 44753 437560 1 0 3 0x80 select sshd 66526 135504 94925 73 2 0x100090 syslogd 94925 68013 1 0 3 0x100082 netio syslogd 82331 522537 1 77 3 0x100090 poll dhclient 74417 343636 1 0 3 0x80 poll dhclient 7179 357872 0 0 2 0x14200 zerothread 86994 14581 0 0 3 0x14200 aiodoned aiodoned 22806 311346 0 0 3 0x14200 syncer update 15622 179861 0 0 3 0x14200 cleaner cleaner 76629 235862 0 0 3 0x14200 reaper reaper 92022 473702 0 0 3 0x14200 pgdaemon pagedaemon 16806 217418 0 0 3 0x14200 bored crynlk 3889 340562 0 0 3 0x14200 bored crypto 25059 475967 0 0 3 0x40014200 acpi0 acpi0 84172 147958 0 0 3 0x14200 bored softnet 53239 274134 0 0 3 0x14200 bored systqmp 77647 67778 0 0 3 0x14200 bored systq 34078 518522 0 0 3 0x40014200 bored softclock 9716 469967 0 0 3 0x40014200 idle0 26265 186155 0 0 3 0x14200 bored smr 1 10556 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 9499 6343K 6358K 78643K 10975 0 0 pcb 26 9K 10K 78643K 638 0 0 rtable 101 3K 3K 78643K 622 0 0 ifaddr 56 13K 13K 78643K 211 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 37 0 0 iov 0 0K 24K 78643K 165 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1186 74K 75K 78643K 1732 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 17 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 170 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 25K 78643K 1172 0 0 sigio 0 0K 0K 78643K 28 0 0 proc 42 30K 54K 78643K 567 0 0 subproc 64 65538K 69634K 78643K 340 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 164 0 0 in_multi 33 2K 2K 78643K 165 0 0 ether_multi 1 0K 0K 78643K 8 0 0 mrt 0 0K 0K 78643K 6 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 278 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 80 20K 29K 78643K 3528 0 0 UVM aobj 52 4K 4K 78643K 60 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 67 0 0 temp 163 2359K 2429K 78643K 6476 0 0 kqueue 0 0K 0K 78643K 4 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 12 0 8 1 0 1 1 0 8 0 inpcbpl 280 672 0 664 1 0 1 1 0 8 0 plimitpl 152 64 0 57 1 0 1 1 0 8 0 rtentry 112 113 0 73 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 13 0 13 1 1 0 1 0 8 0 tcpcb 544 254 0 249 1 0 1 1 0 8 0 nd6 48 20 0 16 1 0 1 1 0 8 0 ppxss 1128 22 0 22 7 6 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 520 0 331 12 0 12 12 0 8 0 art_table 32 521 0 331 2 0 2 2 0 8 0 art_node 16 112 0 78 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 4 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 164 0 154 1 0 1 1 0 8 0 shmpl 112 58 0 8 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 3332 0 1887 47 0 47 47 0 8 0 ffsino 240 3332 0 1887 86 0 86 86 0 8 0 nchpl 144 5195 0 3537 62 0 62 62 0 8 0 uvmvnodes 72 3586 0 0 66 0 66 66 0 8 0 vnodes 200 3586 0 0 189 0 189 189 0 8 0 namei 1024 16236 0 16236 2 1 1 1 0 8 1 scsiplug 64 4 0 4 3 3 0 1 0 8 0 scxspl 192 16307 0 16307 13 12 1 6 0 8 1 sigapl 432 1318 0 1304 2 0 2 2 0 8 0 futexpl 56 19885 0 19885 1 0 1 1 0 8 1 knotepl 112 414 0 395 1 0 1 1 0 8 0 kqueuepl 104 353 0 351 1 0 1 1 0 8 0 pipepl 112 936 0 917 4 3 1 2 0 8 0 fdescpl 424 1319 0 1304 2 0 2 2 0 8 0 filepl 120 9017 0 8920 5 1 4 5 0 8 1 lockfpl 104 331 0 331 2 1 1 1 0 8 1 lockfspl 32 177 0 177 2 1 1 1 0 8 1 sessionpl 112 25 0 15 1 0 1 1 0 8 0 pgrppl 48 35 0 25 1 0 1 1 0 8 0 ucredpl 96 1841 0 1834 1 0 1 1 0 8 0 zombiepl 144 1304 0 1304 2 1 1 1 0 8 1 processpl 840 1334 0 1304 4 0 4 4 0 8 0 procpl 600 2757 0 2718 4 0 4 4 0 8 0 sosppl 128 17 0 17 5 5 0 1 0 8 0 sockpl 384 1201 0 1180 3 0 3 3 0 8 0 mcl64k 65536 520 0 520 64 63 1 33 0 8 1 mcl16k 16384 5 0 5 3 2 1 1 0 8 1 mcl12k 12288 27 0 27 6 5 1 1 0 8 1 mcl9k 9216 22 0 22 4 3 1 1 0 8 1 mcl8k 8192 20 0 20 5 4 1 1 0 8 1 mcl4k 4096 89 0 89 4 3 1 1 0 8 1 mcl2k2 2112 11 0 11 5 4 1 1 0 8 1 mcl2k 2048 48983 0 48946 14 8 6 12 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 91961 0 91881 63 55 8 44 0 8 0 bufpl 256 8561 0 4021 284 0 284 284 0 8 0 anonpl 16 134940 0 126576 74 36 38 52 0 62 0 amapchunkpl 152 5576 0 5493 22 17 5 9 0 158 1 amappl16 192 6496 0 6011 65 39 26 36 0 8 1 amappl15 184 664 0 660 1 0 1 1 0 8 0 amappl14 176 116 0 115 2 1 1 1 0 8 0 amappl13 168 146 0 140 1 0 1 1 0 8 0 amappl12 160 137 0 134 1 0 1 1 0 8 0 amappl11 152 247 0 236 1 0 1 1 0 8 0 amappl10 144 67 0 65 3 2 1 1 0 8 0 amappl9 136 835 0 831 1 0 1 1 0 8 0 amappl8 128 412 0 395 1 0 1 1 0 8 0 amappl7 120 46 0 42 1 0 1 1 0 8 0 amappl6 112 59 0 53 1 0 1 1 0 8 0 amappl5 104 214 0 202 1 0 1 1 0 8 0 amappl4 96 1503 0 1479 1 0 1 1 0 8 0 amappl3 88 314 0 309 1 0 1 1 0 8 0 amappl2 80 11180 0 11119 2 0 2 2 0 8 0 amappl1 72 32424 0 31989 24 15 9 19 0 8 0 amappl 72 3023 0 2989 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 59 0 8 1 0 1 1 0 8 0 uaddrrnd 24 1319 0 1304 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1319 0 1304 1 0 1 1 0 8 0 vmmpekpl 168 12769 0 12751 2 0 2 2 0 8 0 vmmpepl 168 141586 0 140085 117 39 78 82 0 357 10 vmsppl 264 1318 0 1304 2 1 1 2 0 8 0 pdppl 4096 2644 0 2608 6 1 5 6 0 8 0 pvpl 32 388287 0 376767 170 71 99 134 0 265 2 pmappl 192 1318 0 1304 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 550 0 139 14 0 14 14 0 8 0