uvm_fault(0xffffffff82247520, 0xffff800001d7d002, 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(0xffffffff82247520, 0xffff800001d7d002, 0, 1) -> e rtable_satoplen(21,ffff800001d7cf59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff800014a1ea90, count: 0 ddb> trace rtable_satoplen(21,ffff800001d7cf59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff800001d7cf09,ffff800001d7cf59,ffff800001d7cf11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff800001d7cf00,ffff800014a1eb80,ffff800014a1eb88,21,0) at rtm_output+0x10c sys/net/rtsock.c:1122 route_output(fffffd803f030400,fffffd8037015000,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd8037015000,9,fffffd803f030400,0,0,ffff8000ffff4bc8) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd8037015000,0,ffff800014a1ee48,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff4bc8,4,ffff800014a1ef08,0,ffff800014a1efd0) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff4bc8,ffff800014a1efe8,ffff800014a1efd0) at sys_sendto+0x92 syscall(ffff800014a1f080) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,c478c876010) at Xsyscall+0x128 end of kernel end trace frame: 0xc4a15e1ccc0, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff800014a1e9f0 rbx 0xffffffffffffff5a rdx 0xffff800001d7cf5d rcx 0xffff800001d7d003 rax 0xffff800001d7d003 r8 0x21 r9 0x1 r10 0xffff800000936d40 r11 0x3324eb9fcb020d22 r12 0 r13 0xffff800001d7d003 r14 0xffffffff821d90c8 mplsdomain r15 0x4 rip 0xffffffff819ec6e0 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff800014a1e9a0 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.1) pid=450852 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff84b8,0xffffffff82253390 process=0xffff8000ffff6010 user=0xffff800014a1a000, vmspace=0xfffffd803f014318 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 52534 499578 21991 0 2 0 syz-executor.1 *52534 450852 21991 0 7 0x4000000 syz-executor.1 76738 179344 71340 0 3 0x82 nanosleep syz-executor.0 28732 433100 0 0 3 0x14200 bored sosplice 21991 223373 71340 0 2 0x482 syz-executor.1 71340 35316 73062 0 3 0x82 thrsleep syz-fuzzer 71340 473714 73062 0 3 0x4000082 thrsleep syz-fuzzer 71340 460271 73062 0 3 0x4000082 thrsleep syz-fuzzer 71340 358742 73062 0 3 0x4000082 kqread syz-fuzzer 71340 191077 73062 0 3 0x4000082 thrsleep syz-fuzzer 71340 333619 73062 0 3 0x4000082 thrsleep syz-fuzzer 71340 272772 73062 0 3 0x4000082 thrsleep syz-fuzzer 71340 510310 73062 0 3 0x4000082 thrsleep syz-fuzzer 73062 192462 76690 0 3 0x10008a pause ksh 76690 372873 98285 0 3 0x92 select sshd 73615 63326 1 0 3 0x100083 ttyin getty 98285 60685 1 0 3 0x80 select sshd 8681 69239 15964 73 2 0x100090 syslogd 15964 230783 1 0 3 0x100082 netio syslogd 86022 303891 1 77 3 0x100090 poll dhclient 74277 60580 1 0 3 0x80 poll dhclient 92822 478057 0 0 2 0x14200 zerothread 54870 413268 0 0 3 0x14200 aiodoned aiodoned 71139 322875 0 0 3 0x14200 syncer update 3534 470901 0 0 3 0x14200 cleaner cleaner 90581 378223 0 0 3 0x14200 reaper reaper 62092 25962 0 0 3 0x14200 pgdaemon pagedaemon 91476 522320 0 0 3 0x14200 bored crynlk 91990 475509 0 0 3 0x14200 bored crypto 72759 51325 0 0 3 0x40014200 acpi0 acpi0 12370 339938 0 0 3 0x14200 bored softnet 97197 308740 0 0 3 0x14200 bored systqmp 30212 203926 0 0 3 0x14200 bored systq 32207 284030 0 0 3 0x40014200 bored softclock 10587 468258 0 0 3 0x40014200 idle0 33740 267299 0 0 3 0x14200 bored smr 1 482184 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 9470 6329K 6345K 78643K 10791 0 0 pcb 24 9K 10K 78643K 408 0 0 rtable 101 3K 3K 78643K 412 0 0 ifaddr 47 12K 12K 78643K 131 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 23 0 0 iov 0 0K 28K 78643K 127 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1200 75K 76K 78643K 1626 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 7 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 110 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 614 0 0 sigio 0 0K 0K 78643K 4 0 0 proc 41 30K 46K 78643K 413 0 0 subproc 64 65538K 67586K 78643K 206 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 66 0 0 in_multi 33 2K 2K 78643K 107 0 0 ether_multi 1 0K 0K 78643K 8 0 0 mrt 0 0K 0K 78643K 4 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 54 238K 238K 78643K 54 0 0 exec 0 0K 1K 78643K 240 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 78 20K 29K 78643K 2285 0 0 UVM aobj 33 4K 4K 78643K 35 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 35 0 0 NDP 8 0K 0K 78643K 39 0 0 temp 136 2357K 2482K 78643K 4764 0 0 kqueue 0 0K 0K 78643K 2 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 8 0 4 1 0 1 1 0 8 0 inpcbpl 280 359 0 352 1 0 1 1 0 8 0 plimitpl 152 35 0 28 1 0 1 1 0 8 0 rtentry 112 77 0 37 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 12 0 12 1 1 0 1 0 8 0 tcpcb 544 142 0 138 1 0 1 1 0 8 0 nd6 48 12 0 8 1 0 1 1 0 8 0 ppxss 1128 15 0 15 5 4 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 356 0 167 12 0 12 12 0 8 0 art_table 32 357 0 167 2 0 2 2 0 8 0 art_node 16 76 0 42 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 6 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 108 0 98 1 0 1 1 0 8 0 shmpl 112 33 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2548 0 1127 47 0 47 47 0 8 0 ffsino 240 2548 0 1127 85 0 85 85 0 8 0 nchpl 144 3608 0 1967 61 0 61 61 0 8 0 uvmvnodes 72 2715 0 0 50 0 50 50 0 8 0 vnodes 200 2715 0 0 143 0 143 143 0 8 0 namei 1024 10376 0 10376 2 1 1 1 0 8 1 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 12280 0 12280 11 10 1 6 0 8 1 sigapl 432 772 0 759 2 0 2 2 0 8 0 futexpl 56 10351 0 10351 1 0 1 1 0 8 1 knotepl 112 233 0 214 1 0 1 1 0 8 0 kqueuepl 104 154 0 152 1 0 1 1 0 8 0 pipepl 112 562 0 543 3 2 1 2 0 8 0 fdescpl 424 773 0 759 2 0 2 2 0 8 0 filepl 120 4896 0 4800 4 0 4 4 0 8 1 lockfpl 104 218 0 218 2 1 1 1 0 8 1 lockfspl 32 228 0 228 2 1 1 1 0 8 1 sessionpl 112 21 0 11 1 0 1 1 0 8 0 pgrppl 48 31 0 21 1 0 1 1 0 8 0 ucredpl 96 1098 0 1091 1 0 1 1 0 8 0 zombiepl 144 759 0 758 2 1 1 1 0 8 0 processpl 840 788 0 758 4 0 4 4 0 8 0 procpl 600 1586 0 1548 4 0 4 4 0 8 1 sosppl 128 14 0 14 3 3 0 1 0 8 0 sockpl 384 690 0 672 3 0 3 3 0 8 1 mcl64k 65536 14 0 13 4 3 1 1 0 8 0 mcl16k 16384 2 0 2 2 2 0 1 0 8 0 mcl12k 12288 15 0 15 3 3 0 1 0 8 0 mcl9k 9216 6 0 6 4 4 0 1 0 8 0 mcl8k 8192 12 0 12 4 3 1 1 0 8 1 mcl4k 4096 54 0 54 2 1 1 1 0 8 1 mcl2k2 2112 8 0 8 3 2 1 1 0 8 1 mcl2k 2048 47814 0 47772 14 8 6 12 0 8 0 mtagpl 80 4 0 4 2 2 0 1 0 8 0 mbufpl 256 81526 0 81455 10 3 7 8 0 8 0 bufpl 256 7936 0 3328 289 0 289 289 0 8 0 anonpl 16 100738 0 91942 76 24 52 52 0 62 14 amapchunkpl 152 3689 0 3609 18 12 6 11 0 158 2 amappl16 192 4511 0 4033 62 29 33 37 0 8 8 amappl15 184 245 0 240 1 0 1 1 0 8 0 amappl14 176 28 0 27 2 1 1 1 0 8 0 amappl13 168 26 0 23 1 0 1 1 0 8 0 amappl12 160 18 0 14 1 0 1 1 0 8 0 amappl11 152 132 0 120 1 0 1 1 0 8 0 amappl10 144 358 0 355 2 1 1 1 0 8 0 amappl9 136 554 0 550 1 0 1 1 0 8 0 amappl8 128 131 0 115 1 0 1 1 0 8 0 amappl7 120 292 0 285 1 0 1 1 0 8 0 amappl6 112 157 0 149 1 0 1 1 0 8 0 amappl5 104 143 0 132 1 0 1 1 0 8 0 amappl4 96 952 0 930 1 0 1 1 0 8 0 amappl3 88 139 0 132 1 0 1 1 0 8 0 amappl2 80 5856 0 5806 2 0 2 2 0 8 0 amappl1 72 22969 0 22557 26 17 9 19 0 8 0 amappl 72 1841 0 1809 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 34 0 2 1 0 1 1 0 8 0 uaddrrnd 24 773 0 759 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 773 0 759 1 0 1 1 0 8 0 vmmpekpl 168 9355 0 9338 2 0 2 2 0 8 0 vmmpepl 168 87591 0 86187 109 34 75 78 0 357 9 vmsppl 264 772 0 759 2 1 1 2 0 8 0 pdppl 4096 1552 0 1518 6 1 5 6 0 8 0 pvpl 32 288932 0 276601 173 40 133 134 0 265 32 pmappl 192 772 0 759 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 437 0 24 12 0 12 12 0 8 0