jV`plv[4㟏QjV`plv[4㟏Quvm_fault(0xffffffff8250bb50, 0xfffffd803798b1d8, 0, 4) -> e kernel: page fault trap, code=0 Stopped at 0xfffffd803798b1d8: xchgl %eax,%esi ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xffffffff8250bb50, 0xfffffd803798b1d8, 0, 4) -> e fffffd803798b1d8(b,ffff8000169a9b88,83,ffff8000169a9c28,0,b) at 0xfffffd803798b1d8 end trace frame: 0xffff8000169a9c80, count: 0 ddb> trace fffffd803798b1d8(b,ffff8000169a9b88,83,ffff8000169a9c28,0,b) at 0xfffffd803798b1d8 rt_match(fffffd803aec8c88,0,1,0) at rt_match+0xbe rt_clone sys/net/route.c:266 [inline] rt_match(fffffd803aec8c88,0,1,0) at rt_match+0xbe sys/net/route.c:242 in_pcbselsrc(ffff8000169a9d00,fffffd8035f74d20,fffffd803aec8c08) at in_pcbselsrc+0x219 sys/netinet/in_pcb.c:934 in_pcbconnect(fffffd803aec8c08,fffffd8035f74d00) at in_pcbconnect+0x107 sys/netinet/in_pcb.c:492 udp_usrreq(fffffd802ef8e4e0,4,0,fffffd8035f74d00,0,ffff800014932508) at udp_usrreq+0x560 sys_connect(ffff800014932508,ffff8000169a9e88,ffff8000169a9ed0) at sys_connect+0x3df sys/kern/uipc_syscalls.c:388 syscall(ffff8000169a9f50) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,fffffffffffffed2,0,3,6c3eb4d5010) at Xsyscall+0x128 end of kernel end trace frame: 0x6c6097656f0, count: -8 ddb> show registers rdi 0xffff800000ac8800 rsi 0xb rbp 0xffff8000169a9b70 rbx 0xfffffd8039440158 rdx 0xfffffd8039440158 rcx 0xffff800014934000 rax 0xffff800014934000 r8 0x100 r9 0x7 r10 0x5d87b6071ab6fd30 r11 0xfffffd803798b1d8 r12 0xfffffd8039440158 r13 0xffff8000169a9b88 r14 0xffff8000169a9c28 r15 0xffff80000005b480 rip 0xfffffd803798b1d8 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000169a9a78 ss 0x10 0xfffffd803798b1d8: xchgl %eax,%esi ddb> show proc PROC (syz-executor.1) pid=44889 stat=onproc flags process=0 proc=4000000 pri=73, usrpri=73, nice=20 forw=0xffffffffffffffff, list=0xffff800014933160,0xffffffff82591198 process=0xffff8000148a3458 user=0xffff8000169a5000, vmspace=0xfffffd803f014550 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 70831 275677 82067 0 2 0 syz-executor.1 *70831 44889 82067 0 7 0x4000000 syz-executor.1 73660 58934 78716 0 2 0x2 syz-executor.0 50833 508101 1 0 3 0x100083 ttyin getty 82067 374210 78716 0 2 0x482 syz-executor.1 63699 71382 0 0 3 0x14200 acct acct 27194 300974 0 0 3 0x14200 bored sosplice 78716 47296 95868 0 3 0x82 thrsleep syz-fuzzer 78716 468523 95868 0 2 0x4000482 syz-fuzzer 78716 520779 95868 0 3 0x4000082 thrsleep syz-fuzzer 78716 489241 95868 0 3 0x4000082 thrsleep syz-fuzzer 78716 425798 95868 0 3 0x4000082 kqread syz-fuzzer 78716 197457 95868 0 3 0x4000082 thrsleep syz-fuzzer 78716 477045 95868 0 3 0x4000082 thrsleep syz-fuzzer 78716 464463 95868 0 3 0x4000082 thrsleep syz-fuzzer 95868 132201 42564 0 3 0x10008a pause ksh 42564 219721 55752 0 3 0x92 select sshd 55752 220507 1 0 3 0x80 select sshd 58023 192805 58898 73 2 0x100090 syslogd 58898 354877 1 0 3 0x100082 netio syslogd 801 512617 1 77 3 0x100090 poll dhclient 827 91803 1 0 3 0x80 poll dhclient 29946 396691 0 0 2 0x14200 zerothread 63804 304803 0 0 3 0x14200 aiodoned aiodoned 57622 243925 0 0 3 0x14200 syncer update 4512 423996 0 0 3 0x14200 cleaner cleaner 62039 368701 0 0 3 0x14200 reaper reaper 85641 199590 0 0 3 0x14200 pgdaemon pagedaemon 36584 18534 0 0 3 0x14200 bored crynlk 3093 124508 0 0 3 0x14200 bored crypto 29720 284400 0 0 3 0x40014200 acpi0 acpi0 42283 24023 0 0 3 0x14200 bored softnet 35944 265902 0 0 3 0x14200 bored systqmp 76865 361585 0 0 3 0x14200 bored systq 39688 84571 0 0 2 0x40014200 softclock 12151 303000 0 0 3 0x40014200 idle0 997 348905 0 0 2 0x14200 smr 1 412246 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 9583 7202K 7674K 78643K 18546 0 0 pcb 13 12K 14K 78643K 654 0 0 rtable 118 8K 8K 78643K 1912 0 0 ifaddr 88 20K 22K 78643K 586 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 266 0 0 iov 0 0K 32K 78643K 1157 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1208 76K 77K 78643K 4451 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 58 0 0 VM map 39 9K 9K 78643K 48 0 0 sem 12 0K 1K 78643K 1294 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 3092 0 0 sigio 0 0K 0K 78643K 64 0 0 proc 49 38K 63K 78643K 1249 0 0 subproc 32 2K 2K 78643K 306 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 287 0 0 in_multi 26 1K 2K 78643K 323 0 0 ether_multi 1 0K 0K 78643K 41 0 0 mrt 1 0K 0K 78643K 44 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 108 477K 477K 78643K 108 0 0 exec 0 0K 1K 78643K 800 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 169 331K 335K 78643K 8761 0 0 UVM aobj 130 4K 4K 78643K 132 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 657 0 0 NDP 20 0K 0K 78643K 177 0 0 temp 226 3544K 4184K 78643K 162051 0 0 kqueue 0 0K 0K 78643K 37 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 57 0 50 1 0 1 1 0 8 0 rtpcb 80 337 0 335 1 0 1 1 0 8 0 rtentry 112 318 0 274 2 0 2 2 0 8 0 unpcb 120 7748 0 7738 14 13 1 2 0 8 0 syncache 264 29 0 29 12 12 0 1 0 8 0 tcpqe 32 225 0 225 8 8 0 1 0 8 0 tcpcb 544 1611 0 1607 19 18 1 15 0 8 0 ipq 40 39 0 38 14 13 1 1 0 8 0 ipqe 40 980 0 979 14 13 1 1 0 8 0 inpcb 280 4130 0 4120 29 27 2 13 0 8 1 rttmr 72 15 0 14 7 6 1 1 0 8 0 ip6q 72 2 0 2 2 2 0 1 0 8 0 ip6af 40 4 0 4 2 2 0 1 0 8 0 nd6 48 33 0 31 1 0 1 1 0 8 0 pkpcb 40 19 0 19 8 7 1 1 0 8 1 swfcl 56 9 0 0 1 0 1 1 0 8 0 ppxss 1128 59 0 59 14 13 1 1 0 8 1 art_heap8 4096 11 0 10 6 5 1 3 0 8 0 art_heap4 256 1345 0 1123 28 14 14 16 0 8 0 art_table 32 1356 0 1133 2 0 2 2 0 8 0 art_node 16 317 0 276 1 0 1 1 0 8 0 sysvmsgpl 40 44 0 30 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 1288 0 1278 1 0 1 1 0 8 0 shmpl 112 130 0 2 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 6164 0 4765 46 0 46 46 0 8 0 ffsino 240 6164 0 4765 83 0 83 83 0 8 0 nchpl 144 11086 0 10585 61 40 21 61 0 8 0 uvmvnodes 72 7630 0 0 139 0 139 139 0 8 0 vnodes 208 7630 0 0 402 0 402 402 0 8 0 namei 1024 40206 0 40206 3 2 1 1 0 8 1 vcpupl 1984 37 0 0 5 0 5 5 0 8 0 vmpool 520 46 0 9 3 0 3 3 0 8 0 scsiplug 64 2 0 2 1 1 0 1 0 8 0 scxspl 192 44843 0 44843 26 24 2 7 0 8 2 plimitpl 152 293 0 286 1 0 1 1 0 8 0 sigapl 432 3217 0 3204 2 0 2 2 0 8 0 futexpl 56 100063 0 100063 3 2 1 1 0 8 1 knotepl 112 937 0 918 4 3 1 3 0 8 0 kqueuepl 104 1002 0 1000 4 3 1 4 0 8 0 pipepl 112 2704 0 2685 11 10 1 2 0 8 0 fdescpl 424 3218 0 3204 2 0 2 2 0 8 0 filepl 120 33854 0 33757 30 26 4 11 0 8 0 lockfpl 104 1408 0 1406 1 0 1 1 0 8 0 lockfspl 48 443 0 441 1 0 1 1 0 8 0 sessionpl 112 35 0 25 1 0 1 1 0 8 0 pgrppl 48 71 0 61 1 0 1 1 0 8 0 ucredpl 96 4260 0 4253 1 0 1 1 0 8 0 zombiepl 144 3204 0 3204 1 0 1 1 0 8 1 processpl 864 3234 0 3204 4 0 4 4 0 8 0 procpl 632 7129 0 7091 4 0 4 4 0 8 0 sosppl 128 48 0 48 11 11 0 1 0 8 0 sockpl 384 12284 0 12264 54 49 5 21 0 8 2 mcl64k 65536 1833 0 1833 132 103 29 64 0 8 29 mcl16k 16384 54 0 54 13 13 0 1 0 8 0 mcl12k 12288 82 0 82 11 10 1 1 0 8 1 mcl9k 9216 64 0 64 11 11 0 1 0 8 0 mcl8k 8192 175 0 175 4 3 1 1 0 8 1 mcl4k 4096 322 0 322 4 3 1 1 0 8 1 mcl2k2 2112 21 0 21 13 12 1 1 0 8 1 mcl2k 2048 74127 0 74077 21 14 7 16 0 8 0 mtagpl 80 178 0 171 5 4 1 1 0 8 0 mbufpl 256 151039 0 150921 145 128 17 41 0 8 8 bufpl 256 21571 0 13938 478 0 478 478 0 8 0 anonpl 16 451795 0 432729 211 102 109 109 0 62 27 amapchunkpl 152 18545 0 18389 73 53 20 20 0 158 11 amappl16 192 22245 0 21140 210 132 78 78 0 8 22 amappl15 184 274 0 274 5 4 1 1 0 8 1 amappl14 176 352 0 349 1 0 1 1 0 8 0 amappl13 168 45 0 45 3 3 0 1 0 8 0 amappl12 160 105 0 102 1 0 1 1 0 8 0 amappl11 152 1237 0 1222 1 0 1 1 0 8 0 amappl10 144 13 0 12 1 0 1 1 0 8 0 amappl9 136 1258 0 1252 1 0 1 1 0 8 0 amappl8 128 825 0 790 3 1 2 2 0 8 0 amappl7 120 117 0 110 1 0 1 1 0 8 0 amappl6 112 1239 0 1228 1 0 1 1 0 8 0 amappl5 104 402 0 392 1 0 1 1 0 8 0 amappl4 96 3421 0 3389 1 0 1 1 0 8 0 amappl3 88 602 0 592 1 0 1 1 0 8 0 amappl2 80 24310 0 24241 3 1 2 3 0 8 0 amappl1 72 68391 0 67991 25 16 9 20 0 8 0 amappl 80 7677 0 7612 2 0 2 2 0 84 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 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 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 64 131 0 2 3 0 3 3 0 8 0 uaddrrnd 24 3264 0 3204 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3264 0 3204 1 0 1 1 0 8 0 vmmpekpl 168 24988 0 24954 2 0 2 2 0 8 0 vmmpepl 168 401087 0 398836 313 176 137 140 0 357 32 vmsppl 272 3217 0 3204 3 2 1 2 0 8 0 pdppl 4096 6534 0 6463 14 4 10 10 0 8 0 pvpl 32 1189620 0 1167362 435 188 247 317 0 265 60 pmappl 200 3263 0 3213 3 0 3 3 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 958 0 311 23 2 21 21 0 8 0