g íàŸ2tj" ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic m_copydata: null mbuf ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8224298c) at panic+0x15c sys/kern/subr_prf.c:207 m_copydata(fffffd8057b83100,30,2,ffff80001d41bb38) at m_copydata+0x17e m_getptr sys/kern/uipc_mbuf.c:1031 [inline] m_copydata(fffffd8057b83100,30,2,ffff80001d41bb38) at m_copydata+0x17e sys/kern/uipc_mbuf.c:722 ip6_pullexthdr(fffffd8057b83100,30,0) at ip6_pullexthdr+0xa2 sys/netinet6/ip6_input.c:1146 ip6_savecontrol(fffffd805e56b460,fffffd8057b83100,ffff80001d41bca0) at ip6_savecontrol+0x373 sys/netinet6/ip6_input.c:1056 rip6_input(ffff80001d41bef8,ffff80001d41bf04,0,18) at rip6_input+0x75b sys/netinet6/raw_ip6.c:225 ip_deliver(ffff80001d41bef8,ffff80001d41bf04,0,18) at ip_deliver+0x2e3 sys/netinet/ip_input.c:668 ip6_input_if(ffff80001d41bef8,ffff80001d41bf04,29,0,ffff80000017a2a8) at ip6_input_if+0xf26 ipv6_input(ffff80000017a2a8,fffffd8057b83100) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff80000017a2a8,fffffd8057b83100,18) at if_input_local+0x121 sys/net/if.c:780 ip6_output(fffffd8057f15700,ffff800000a04880,fffffd805e56b3b8,0,0,fffffd805e56b348) at ip6_output+0xd02 rip6_output(fffffd8057f15700,fffffd8057eb9350,ffff80001d41c260,0) at rip6_output+0x4d7 sys/netinet6/raw_ip6.c:481 rip6_usrreq(fffffd8057eb9350,9,fffffd8057f15700,0,0,ffff80001d339008) at rip6_usrreq+0x5e1 sys/netinet6/raw_ip6.c:670 sosend(fffffd8057eb9350,0,ffff80001d41c4a8,0,0,0) at sosend+0x669 sys/kern/uipc_socket.c:549 dofilewritev(ffff80001d339008,8,ffff80001d41c4a8,0,ffff80001d41c590) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff80001d339008,ffff80001d41c548,ffff80001d41c590) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff80001d41c610) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x36b7c6bb50, count: -18 ddb> show registers rdi 0xffffffff815717b7 db_enter+0x17 rsi 0x1073 __ALIGN_SIZE+0x73 rbp 0xffff80001d41ba10 rbx 0xffff80001d41bac0 rdx 0x1074 __ALIGN_SIZE+0x74 rcx 0xffff80001d439000 rax 0xffff80001d439000 r8 0xffff80001d41b9d0 r9 0x1 r10 0xffff8000009f37c0 r11 0xd384f6e06e1befe0 r12 0x3000000008 r13 0xffff80001d41ba20 r14 0x100 r15 0x1 rip 0xffffffff815717b8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80001d41ba00 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (syz-executor.0) pid=331847 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff80001d339758,0xffffffff82588bd0 process=0xffff8000ffffb190 user=0xffff80001d417000, vmspace=0xfffffd8056e10890 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 61137 434149 71145 0 2 0 syz-executor.0 *61137 331847 71145 0 7 0x4000000 syz-executor.0 67043 234813 40617 0 2 0x2 syz-executor.1 63563 264691 0 0 3 0x14200 bored sosplice 71145 99399 40617 0 3 0x82 nanosleep syz-executor.0 40617 196890 64491 0 3 0x82 thrsleep syz-fuzzer 40617 393485 64491 0 3 0x4000082 nanosleep syz-fuzzer 40617 407387 64491 0 3 0x4000082 thrsleep syz-fuzzer 40617 96114 64491 0 3 0x4000082 thrsleep syz-fuzzer 40617 18732 64491 0 3 0x4000082 thrsleep syz-fuzzer 40617 323301 64491 0 3 0x4000082 kqread syz-fuzzer 40617 58980 64491 0 3 0x4000082 thrsleep syz-fuzzer 40617 199807 64491 0 3 0x4000082 thrsleep syz-fuzzer 64491 272051 44711 0 3 0x10008a pause ksh 44711 519666 53645 0 3 0x92 select sshd 24580 180696 1 0 3 0x100083 ttyin getty 53645 148407 1 0 3 0x80 select sshd 6914 342957 91945 73 3 0x100090 kqread syslogd 91945 436347 1 0 3 0x100082 netio syslogd 37337 514278 1 77 3 0x100090 poll dhclient 49946 378498 1 0 3 0x80 poll dhclient 59014 172033 0 0 3 0x14200 bored smr 50753 461262 0 0 2 0x14200 zerothread 24902 88191 0 0 3 0x14200 aiodoned aiodoned 43785 244269 0 0 3 0x14200 syncer update 4447 365642 0 0 3 0x14200 cleaner cleaner 6040 392454 0 0 3 0x14200 reaper reaper 90303 376426 0 0 3 0x14200 pgdaemon pagedaemon 42844 740 0 0 3 0x14200 bored crynlk 8740 435919 0 0 3 0x14200 bored crypto 51638 345404 0 0 3 0x40014200 acpi0 acpi0 41799 105595 0 0 3 0x14200 bored softnet 33907 93529 0 0 3 0x14200 bored systqmp 48615 323977 0 0 3 0x14200 bored systq 7955 258008 0 0 2 0x40014200 softclock 70311 145890 0 0 3 0x40014200 idle0 1 285557 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 devbuf 9536 6374K 7557K 78643K 12515 0 pcb 16 8K 8K 78643K 108 0 rtable 112 3K 4K 78643K 463 0 ifaddr 91 17K 18K 78643K 206 0 counters 21 16K 17K 78643K 40 0 ioctlops 0 0K 2K 78643K 64 0 iov 0 0K 32K 78643K 164 0 mount 1 1K 1K 78643K 1 0 vnodes 1233 78K 78K 78643K 1885 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 10 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 1K 78643K 231 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 520 0 sigio 0 0K 0K 78643K 14 0 proc 49 38K 63K 78643K 445 0 subproc 32 2K 2K 78643K 53 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 1 0K 0K 78643K 84 0 in_multi 62 3K 3K 78643K 160 0 ether_multi 2 0K 0K 78643K 20 0 mrt 0 0K 0K 78643K 6 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 61 281K 281K 78643K 61 0 exec 0 0K 1K 78643K 266 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 125 103K 103K 78643K 2170 0 UVM aobj 88 3K 4K 78643K 94 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 2 0K 0K 78643K 83 0 NDP 16 0K 0K 78643K 46 0 temp 146 3022K 3098K 78643K 29445 0 kqueue 3 4K 12K 78643K 64 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 11 0 2 1 0 1 1 0 8 0 rtpcb 80 73 0 71 1 0 1 1 0 8 0 rtentry 112 86 0 41 2 0 2 2 0 8 0 unpcb 120 441 0 432 2 0 2 2 0 8 1 syncache 264 8 0 8 3 3 0 1 0 8 0 tcpqe 32 326 0 326 1 1 0 1 0 8 0 tcpcb 544 343 0 336 3 1 2 2 0 8 1 ipq 40 7 0 7 3 3 0 1 0 8 0 ipqe 40 272 0 272 3 3 0 1 0 8 0 inpcb 280 1240 0 1223 3 1 2 3 0 8 0 rttmr 72 3 0 3 2 1 1 1 0 8 1 nd6 48 15 0 12 1 0 1 1 0 8 0 pkpcb 40 43 0 43 1 0 1 1 0 8 1 swfcl 56 2 0 0 1 0 1 1 0 8 0 ppxss 1128 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 383 0 196 15 3 12 13 0 8 0 art_table 32 385 0 196 2 0 2 2 0 8 0 art_node 16 85 0 42 1 0 1 1 0 8 0 sysvmsgpl 40 33 0 19 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 225 0 215 1 0 1 1 0 8 0 shmpl 112 92 0 6 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2220 0 825 46 0 46 46 0 8 0 ffsino 240 2220 0 825 83 0 83 83 0 8 0 nchpl 144 3127 0 1531 60 0 60 60 0 8 0 uvmvnodes 72 2808 0 0 52 0 52 52 0 8 0 vnodes 208 2808 0 0 148 0 148 148 0 8 0 namei 1024 9410 0 9409 1 0 1 1 0 8 0 vcpupl 1984 9 0 0 2 0 2 2 0 8 0 vmpool 528 13 0 4 2 1 1 1 0 8 0 scxspl 192 10812 0 10812 1 0 1 1 0 8 1 plimitpl 152 53 0 46 1 0 1 1 0 8 0 sigapl 424 704 0 675 4 0 4 4 0 8 0 futexpl 56 16726 0 16726 1 0 1 1 0 8 1 knotepl 112 148 0 129 1 0 1 1 0 8 0 kqueuepl 144 132 0 130 1 0 1 1 0 8 0 pipelkpl 16 215 0 205 1 0 1 1 0 8 0 pipepl 120 430 0 411 1 0 1 1 0 8 0 fdescpl 432 689 0 675 2 0 2 2 0 8 0 filepl 120 5834 0 5734 5 0 5 5 0 8 1 lockfpl 104 168 0 167 1 0 1 1 0 8 0 lockfspl 48 57 0 56 1 0 1 1 0 8 0 sessionpl 112 18 0 8 1 0 1 1 0 8 0 pgrppl 48 24 0 14 1 0 1 1 0 8 0 ucredpl 96 557 0 550 1 0 1 1 0 8 0 zombiepl 144 675 0 675 1 0 1 1 0 8 1 processpl 896 704 0 675 4 0 4 4 0 8 0 procpl 624 1403 0 1366 4 0 4 4 0 8 1 sosppl 128 54 0 54 1 0 1 1 0 8 1 sockpl 400 1823 0 1799 10 3 7 7 0 8 4 mcl64k 65536 94 0 94 1 0 1 1 0 8 1 mcl16k 16384 6 0 6 2 2 0 1 0 8 0 mcl12k 12288 13 0 13 2 1 1 1 0 8 1 mcl9k 9216 12 0 12 2 1 1 1 0 8 1 mcl8k 8192 41 0 41 1 0 1 1 0 8 1 mcl4k 4096 69 0 69 2 1 1 1 0 8 1 mcl2k2 2112 5 0 5 2 2 0 1 0 8 0 mcl2k 2048 65228 0 65173 20 12 8 18 0 8 0 mtagpl 80 42 0 9 2 1 1 1 0 8 0 mbufpl 256 116103 0 115862 53 33 20 34 0 8 2 bufpl 280 5978 0 594 385 0 385 385 0 8 0 anonpl 16 89974 0 73007 104 22 82 87 0 107 11 amapchunkpl 152 3569 0 3434 23 4 19 19 0 158 13 amappl16 192 4148 0 3202 73 18 55 61 0 8 5 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 3 0 1 2 1 1 1 0 8 0 amappl13 168 261 0 257 1 0 1 1 0 8 0 amappl12 160 184 0 183 2 1 1 1 0 8 0 amappl11 152 125 0 113 1 0 1 1 0 8 0 amappl10 144 15 0 10 1 0 1 1 0 8 0 amappl9 136 375 0 372 1 0 1 1 0 8 0 amappl8 128 301 0 273 1 0 1 1 0 8 0 amappl7 120 113 0 101 1 0 1 1 0 8 0 amappl6 112 87 0 83 1 0 1 1 0 8 0 amappl5 104 340 0 329 1 0 1 1 0 8 0 amappl4 96 751 0 722 1 0 1 1 0 8 0 amappl3 88 346 0 339 1 0 1 1 0 8 0 amappl2 80 4873 0 4802 3 1 2 3 0 8 0 amappl1 72 21893 0 21491 27 18 9 20 0 8 0 amappl 80 1650 0 1603 3 1 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 18 0 17 1 0 1 1 0 8 0 aobjpl 64 93 0 6 2 0 2 2 0 8 0 uaddrrnd 24 702 0 679 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 702 0 679 1 0 1 1 0 8 0 vmmpekpl 168 8758 0 8730 2 0 2 2 0 8 0 vmmpepl 168 90719 0 88696 138 37 101 123 0 357 6 vmsppl 272 701 0 679 3 1 2 2 0 8 0 pdppl 4096 1410 0 1367 7 1 6 6 0 8 0 pvpl 32 257357 0 237404 219 22 197 205 0 265 32 pmappl 200 701 0 679 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 212 0 59 5 0 5 5 0 8 0