uvm_fault(0xffffffff821f9698, 0xffff800001990002, 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(0xffffffff821f9698, 0xffff800001990002, 0, 1) -> e rtable_satoplen(21,ffff80000198ff59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff8000149bfed0, count: 0 ddb> trace rtable_satoplen(21,ffff80000198ff59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff80000198ff09,ffff80000198ff59,ffff80000198ff11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff80000198ff00,ffff8000149bffc0,ffff8000149bffc8,21,0) at rtm_output+0x1a7 sys/net/rtsock.c:952 route_output(fffffd8037f6e700,fffffd803a5fad90,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd803a5fad90,9,fffffd8037f6e700,0,0,ffff8000149fd9e0) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd803a5fad90,0,ffff8000149c0288,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000149fd9e0,3,ffff8000149c0348,0,ffff8000149c0410) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000149fd9e0,ffff8000149c0428,ffff8000149c0410) at sys_sendto+0x92 syscall(ffff8000149c04c0) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,e5cb2fdd010) at Xsyscall+0x128 end of kernel end trace frame: 0xe5ed4769780, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff8000149bfe30 rbx 0xffffffffffffff5a rdx 0xffff80000198ff5d rcx 0xffff800001990003 rax 0xffff800001990003 r8 0x21 r9 0x1 r10 0xffff800000936f00 r11 0xf9a3dea35dbe9964 r12 0 r13 0xffff800001990003 r14 0xffffffff821844e0 mplsdomain r15 0x4 rip 0xffffffff812ab820 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff8000149bfde0 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.0) pid=77168 stat=onproc flags process=0 proc=4000000 pri=72, usrpri=72, nice=20 forw=0xffffffffffffffff, list=0xffff8000149fdc38,0xffffffff82266898 process=0xffff8000ffff6d30 user=0xffff8000149bb000, vmspace=0xfffffd803f013318 estcpu=22, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 43159 162386 38480 0 2 0 syz-executor.0 *43159 77168 38480 0 7 0x4000000 syz-executor.0 82551 466194 94983 0 3 0x3000 suspend syz-executor.1 82551 391869 94983 0 2 0x4081000 syz-executor.1 94983 431761 75553 0 3 0x82 nanosleep syz-executor.1 97311 305307 0 0 3 0x14200 bored sosplice 38480 44578 75553 0 3 0x82 nanosleep syz-executor.0 75553 62392 24283 0 3 0x82 thrsleep syz-fuzzer 75553 12054 24283 0 3 0x4000082 thrsleep syz-fuzzer 75553 282027 24283 0 3 0x4000082 thrsleep syz-fuzzer 75553 516807 24283 0 3 0x4000082 kqread syz-fuzzer 75553 63503 24283 0 3 0x4000082 thrsleep syz-fuzzer 75553 356509 24283 0 3 0x4000082 thrsleep syz-fuzzer 75553 372340 24283 0 3 0x4000082 thrsleep syz-fuzzer 75553 27864 24283 0 3 0x4000082 thrsleep syz-fuzzer 24283 334013 87702 0 3 0x10008a pause ksh 87702 374190 61438 0 3 0x92 select sshd 1857 140947 1 0 3 0x100083 ttyin getty 61438 104789 1 0 3 0x80 select sshd 28540 475097 87991 73 2 0x100090 syslogd 87991 449442 1 0 3 0x100082 netio syslogd 71955 407747 1 77 3 0x100090 poll dhclient 61424 38920 1 0 3 0x80 poll dhclient 86193 466530 0 0 2 0x14200 zerothread 72021 4527 0 0 3 0x14200 aiodoned aiodoned 8649 15288 0 0 3 0x14200 syncer update 66404 114045 0 0 3 0x14200 cleaner cleaner 86659 472850 0 0 3 0x14200 reaper reaper 67810 30844 0 0 3 0x14200 pgdaemon pagedaemon 25476 195192 0 0 3 0x14200 bored crynlk 68287 157858 0 0 3 0x14200 bored crypto 23537 375955 0 0 3 0x40014200 acpi0 acpi0 53962 14232 0 0 3 0x14200 bored softnet 42570 393837 0 0 3 0x14200 bored systqmp 83375 263162 0 0 3 0x14200 bored systq 89661 403141 0 0 3 0x40014200 bored softclock 26941 190310 0 0 3 0x40014200 idle0 30871 71725 0 0 3 0x14200 bored smr 1 483036 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 9471 6332K 6345K 78643K 10836 0 0 pcb 30 10K 10K 78643K 449 0 0 rtable 101 3K 3K 78643K 482 0 0 ifaddr 46 12K 13K 78643K 180 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 24 0 0 iov 0 0K 32K 78643K 106 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1196 75K 75K 78643K 1496 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 1K 78643K 98 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 21K 78643K 665 0 0 sigio 0 0K 0K 78643K 11 0 0 proc 42 30K 46K 78643K 406 0 0 subproc 64 65538K 67586K 78643K 171 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 86 0 0 in_multi 33 2K 2K 78643K 88 0 0 ether_multi 1 0K 0K 78643K 3 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 72 318K 318K 78643K 72 0 0 exec 0 0K 1K 78643K 254 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 81 20K 22K 78643K 2396 0 0 UVM aobj 60 4K 4K 78643K 64 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 50 0 0 NDP 8 0K 0K 78643K 52 0 0 temp 143 2358K 2420K 78643K 4853 0 0 kqueue 0 0K 0K 78643K 8 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 280 420 0 413 1 0 1 1 0 8 0 plimitpl 152 34 0 27 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 544 164 0 160 1 0 1 1 0 8 0 nd6 48 10 0 6 1 0 1 1 0 8 0 ppxss 1128 26 0 26 5 4 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 311 0 123 12 0 12 12 0 8 0 art_table 32 312 0 123 2 0 2 2 0 8 0 art_node 16 67 0 33 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 6 2 1 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 96 0 86 1 0 1 1 0 8 0 shmpl 112 62 0 4 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2550 0 1116 47 0 47 47 0 8 0 ffsino 240 2550 0 1116 85 0 85 85 0 8 0 nchpl 144 3760 0 2124 61 0 61 61 0 8 0 uvmvnodes 72 2691 0 0 49 0 49 49 0 8 0 vnodes 200 2691 0 0 142 0 142 142 0 8 0 namei 1024 10940 0 10940 2 1 1 1 0 8 1 scsiplug 64 2 0 2 2 2 0 1 0 8 0 scxspl 192 12397 0 12397 14 11 3 6 0 8 3 sigapl 432 824 0 810 2 0 2 2 0 8 0 futexpl 56 11723 0 11723 1 0 1 1 0 8 1 knotepl 112 220 0 191 2 1 1 2 0 8 0 kqueuepl 104 154 0 148 1 0 1 1 0 8 0 pipepl 112 606 0 587 2 1 1 1 0 8 0 fdescpl 424 825 0 810 2 0 2 2 0 8 0 filepl 120 5133 0 5022 4 0 4 4 0 8 0 lockfpl 104 263 0 261 2 1 1 1 0 8 0 lockfspl 32 276 0 275 2 1 1 1 0 8 0 sessionpl 112 20 0 10 1 0 1 1 0 8 0 pgrppl 48 28 0 18 1 0 1 1 0 8 0 ucredpl 96 930 0 923 1 0 1 1 0 8 0 zombiepl 144 811 0 810 2 1 1 1 0 8 0 processpl 840 840 0 810 4 0 4 4 0 8 0 procpl 600 1731 0 1692 4 0 4 4 0 8 0 sosppl 128 13 0 13 2 2 0 1 0 8 0 sockpl 384 794 0 770 3 0 3 3 0 8 0 mcl64k 65536 250 0 250 32 28 4 29 0 8 4 mcl16k 16384 3 0 3 2 2 0 1 0 8 0 mcl12k 12288 18 0 18 4 3 1 1 0 8 1 mcl9k 9216 10 0 10 5 4 1 1 0 8 1 mcl8k 8192 9 0 9 3 3 0 1 0 8 0 mcl4k 4096 49 0 49 4 3 1 1 0 8 1 mcl2k2 2112 3 0 3 2 2 0 1 0 8 0 mcl2k 2048 47950 0 47914 15 10 5 11 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 86617 0 86545 46 39 7 43 0 8 0 bufpl 256 8204 0 2750 342 0 342 342 0 8 1 anonpl 16 110188 0 101148 74 20 54 54 0 62 16 amapchunkpl 152 3979 0 3893 25 11 14 14 0 158 9 amappl16 192 5028 0 4538 67 34 33 37 0 8 8 amappl15 184 5 0 4 1 0 1 1 0 8 0 amappl14 176 82 0 76 1 0 1 1 0 8 0 amappl13 168 29 0 26 1 0 1 1 0 8 0 amappl12 160 68 0 68 2 2 0 1 0 8 0 amappl11 152 354 0 344 1 0 1 1 0 8 0 amappl10 144 53 0 53 2 2 0 1 0 8 0 amappl9 136 724 0 718 1 0 1 1 0 8 0 amappl8 128 140 0 120 1 0 1 1 0 8 0 amappl7 120 190 0 182 1 0 1 1 0 8 0 amappl6 112 111 0 103 1 0 1 1 0 8 0 amappl5 104 229 0 215 1 0 1 1 0 8 0 amappl4 96 275 0 252 2 1 1 2 0 8 0 amappl3 88 413 0 406 1 0 1 1 0 8 0 amappl2 80 6854 0 6792 2 0 2 2 0 8 0 amappl1 72 23957 0 23509 24 15 9 19 0 8 0 amappl 72 1971 0 1936 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 63 0 4 1 0 1 1 0 8 0 uaddrrnd 24 825 0 810 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 825 0 810 1 0 1 1 0 8 0 vmmpekpl 168 9893 0 9870 2 0 2 2 0 8 0 vmmpepl 168 95225 0 93690 110 37 73 83 0 357 6 vmsppl 264 824 0 810 2 1 1 2 0 8 0 pdppl 4096 1656 0 1620 5 0 5 5 0 8 0 pvpl 32 441638 0 428965 268 32 236 237 0 265 133 pmappl 192 824 0 810 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 555 0 88 16 0 16 16 0 8 1