U.}_3} Ū4N doJc[_X^QGRQ?8VI{1ϣ}xNI4 VFLYo%U`irwq?5FX~?OUG0[uvm_fault(0xfffffd803f014bb0, 0x24, 0, 1) -> e kernel: page fault trap, code=0 Stopped at frag6_input+0x762: movl 0x24(%rax),%r14d ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xfffffd803f014bb0, 0x24, 0, 1) -> e frag6_input(ffff80001595fbd8,ffff80001595fbe4,2c,18) at frag6_input+0x762 sys/netinet6/frag6.c:321 end trace frame: 0xffff80001595fa60, count: 0 ddb> trace frag6_input(ffff80001595fbd8,ffff80001595fbe4,2c,18) at frag6_input+0x762 sys/netinet6/frag6.c:321 ip_deliver(ffff80001595fbd8,ffff80001595fbe4,2c,18) at ip_deliver+0x2e3 sys/netinet/ip_input.c:665 ip6_input_if(ffff80001595fbd8,ffff80001595fbe4,29,0,ffff80000069c000) at ip6_input_if+0x153a ip6_ours sys/netinet6/ip6_input.c:518 [inline] ip6_input_if(ffff80001595fbd8,ffff80001595fbe4,29,0,ffff80000069c000) at ip6_input_if+0x153a sys/netinet6/ip6_input.c:340 ipv6_input(ffff80000069c000,fffffd803f030a00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff80000069c000,fffffd803f030a00,18) at if_input_local+0x121 sys/net/if.c:783 ip6_output(fffffd803f030b00,ffff800000a7b600,fffffd803700cd90,0,0,fffffd803700cd20) at ip6_output+0xd35 rip6_output(fffffd803f030b00,fffffd803700dc00,ffff80001595ff48,0) at rip6_output+0x4d7 sys/netinet6/raw_ip6.c:481 rip6_usrreq(fffffd803700dc00,9,fffffd803f030b00,0,0,ffff8000ffff2780) at rip6_usrreq+0x5cd sys/netinet6/raw_ip6.c:670 sosend(fffffd803700dc00,0,ffff800015960178,0,0,0) at sosend+0x660 sys/kern/uipc_socket.c:524 dofilewritev(ffff8000ffff2780,3,ffff800015960178,0,ffff800015960280) at dofilewritev+0x1ac sys/kern/sys_generic.c:364 sys_write(ffff8000ffff2780,ffff800015960218,ffff800015960280) at sys_write+0x83 sys/kern/sys_generic.c:284 syscall(ffff8000159602e0) at syscall+0x508 Xsyscall(6,0,c,0,3,44c6adc8010) at Xsyscall+0x128 end of kernel end trace frame: 0x44f11f05980, count: -13 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001595f9e0 rbx 0x600 rdx 0 rcx 0 rax 0 r8 0x30 r9 0 r10 0xe28e8f57f5e1be29 r11 0xadf8ce0786008f0a r12 0 r13 0xfffffd803ae09f48 r14 0xfffffd803ae09f58 r15 0xfffffd80384d5854 rip 0xffffffff818f50a2 frag6_input+0x762 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff80001595f920 ss 0x10 frag6_input+0x762: movl 0x24(%rax),%r14d ddb> show proc PROC (syz-executor.0) pid=249470 stat=onproc flags process=0 proc=4000000 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2018,0xffffffff8257f9f0 process=0xffff8000ffff6010 user=0xffff80001595b000, vmspace=0xfffffd803f014bb0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 76487 188346 41014 0 2 0 syz-executor.0 *76487 249470 41014 0 7 0x4000000 syz-executor.0 41014 427001 21361 0 3 0x82 nanosleep syz-executor.0 36105 513958 21361 0 2 0x2 syz-executor.1 2651 142318 1 0 3 0x100083 ttyin getty 24981 405467 0 0 3 0x14200 bored sosplice 21361 177485 9827 0 3 0x82 thrsleep syz-fuzzer 21361 223992 9827 0 3 0x4000082 nanosleep syz-fuzzer 21361 510920 9827 0 3 0x4000082 kqread syz-fuzzer 21361 32621 9827 0 3 0x4000082 thrsleep syz-fuzzer 21361 173659 9827 0 3 0x4000082 thrsleep syz-fuzzer 21361 323559 9827 0 3 0x4000082 thrsleep syz-fuzzer 21361 159439 9827 0 3 0x4000082 thrsleep syz-fuzzer 21361 162042 9827 0 3 0x4000082 thrsleep syz-fuzzer 9827 396414 45460 0 3 0x10008a pause ksh 45460 289121 7664 0 3 0x92 select sshd 7664 179011 1 0 3 0x80 select sshd 40052 344904 45680 73 3 0x100090 kqread syslogd 45680 50392 1 0 3 0x100082 netio syslogd 94323 27640 0 0 2 0x14200 zerothread 30017 511305 0 0 3 0x14200 aiodoned aiodoned 70985 336814 0 0 3 0x14200 syncer update 43074 522888 0 0 3 0x14200 cleaner cleaner 11624 415219 0 0 3 0x14200 reaper reaper 69014 299881 0 0 3 0x14200 pgdaemon pagedaemon 19716 134680 0 0 3 0x14200 bored crynlk 75950 54693 0 0 3 0x14200 bored crypto 63219 71791 0 0 3 0x40014200 acpi0 acpi0 51206 77277 0 0 3 0x14200 bored softnet 28969 210923 0 0 3 0x14200 bored systqmp 51389 510916 0 0 3 0x14200 bored systq 80573 253878 0 0 3 0x40014200 bored softclock 31048 291924 0 0 3 0x40014200 idle0 37551 82460 0 0 3 0x14200 bored smr 1 228747 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 9574 6332K 14912K 78643K 42728 0 0 pcb 14 8K 8K 78643K 1392 0 0 rtable 116 4K 5K 78643K 2617 0 0 ifaddr 79 22K 26K 78643K 1201 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 723 0 0 iov 0 0K 32K 78643K 1376 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1190 75K 77K 78643K 13113 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 9K 78643K 177 0 0 VM map 2 0K 0K 78643K 16 0 0 sem 12 0K 0K 78643K 1362 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 12740 0 0 sigio 0 0K 0K 78643K 175 0 0 proc 42 30K 54K 78643K 3284 0 0 subproc 32 2K 2K 78643K 711 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 1142 0 0 in_multi 33 2K 2K 78643K 818 0 0 ether_multi 1 0K 0K 78643K 49 0 0 mrt 2 0K 0K 78643K 32 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 120 530K 530K 78643K 120 0 0 exec 0 0K 1K 78643K 1977 0 0 pfkey data 0 0K 0K 78643K 6 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 118 22K 32K 78643K 30957 0 0 UVM aobj 130 5K 5K 78643K 146 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 2 0K 1K 78643K 1444 0 0 NDP 19 0K 0K 78643K 379 0 0 temp 220 3536K 4176K 78643K 221875 0 0 kqueue 0 0K 0K 78643K 122 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 86 0 80 1 0 1 1 0 8 0 rtpcb 80 559 0 559 12 11 1 1 0 8 1 rtentry 112 494 0 449 2 0 2 2 0 8 0 unpcb 120 4451 0 4445 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 1337 0 1337 1 1 0 1 0 8 0 tcpcb 544 2331 0 2326 1 0 1 1 0 8 0 ipq 40 18 0 18 6 5 1 1 0 8 1 ipqe 40 42 0 42 6 5 1 1 0 8 1 inpcb 280 6853 0 6848 6 5 1 2 0 8 0 ip6q 72 6 0 5 4 3 1 1 0 8 0 ip6af 48 9 0 8 3 2 1 1 0 8 0 nd6 48 123 0 117 1 0 1 1 0 8 0 pkpcb 40 53 0 53 19 19 0 1 0 8 0 swfcl 56 7 0 0 1 0 1 1 0 8 0 ppxss 1128 191 0 191 42 41 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1991 0 1793 19 6 13 13 0 8 0 art_table 32 1992 0 1793 2 0 2 2 0 8 0 art_node 16 476 0 436 1 0 1 1 0 8 0 sysvmsgpl 40 34 0 30 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 1360 0 1350 1 0 1 1 0 8 0 shmpl 112 144 0 16 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 21310 0 19890 46 0 46 46 0 8 0 ffsino 240 21310 0 19890 84 0 84 84 0 8 0 nchpl 144 39049 0 37422 61 0 61 61 0 8 0 uvmvnodes 72 7989 0 0 146 0 146 146 0 8 0 vnodes 200 7989 0 0 421 0 421 421 0 8 0 namei 1024 129552 0 129552 7 6 1 1 0 8 1 vmpool 520 14 0 14 7 7 0 1 0 8 0 scsiplug 64 22 0 22 15 15 0 1 0 8 0 scxspl 192 123936 0 123936 46 44 2 7 0 8 2 plimitpl 152 1209 0 1203 1 0 1 1 0 8 0 sigapl 432 12804 0 12793 2 0 2 2 0 8 0 futexpl 56 212951 0 212951 9 8 1 1 0 8 1 knotepl 112 3100 0 3081 2 1 1 2 0 8 0 kqueuepl 104 2917 0 2915 1 0 1 1 0 8 0 pipepl 112 7406 0 7387 15 14 1 2 0 8 0 fdescpl 424 12805 0 12793 2 0 2 2 0 8 0 filepl 120 77836 0 77751 29 25 4 5 0 8 1 lockfpl 104 4552 0 4552 11 10 1 1 0 8 1 lockfspl 48 1500 0 1500 11 10 1 1 0 8 1 sessionpl 112 66 0 58 1 0 1 1 0 8 0 pgrppl 48 222 0 214 1 0 1 1 0 8 0 ucredpl 96 15038 0 15032 1 0 1 1 0 8 0 zombiepl 144 12797 0 12797 2 1 1 1 0 8 1 processpl 864 12824 0 12797 4 0 4 4 0 8 0 procpl 632 28201 0 28166 5 1 4 5 0 8 0 sosppl 128 133 0 133 34 33 1 1 0 8 1 sockpl 384 12087 0 12076 18 16 2 4 0 8 0 mcl64k 65536 3183 0 3183 305 296 9 33 0 8 9 mcl16k 16384 67 0 67 33 33 0 1 0 8 0 mcl12k 12288 254 0 254 37 37 0 1 0 8 0 mcl9k 9216 150 0 150 42 42 0 1 0 8 0 mcl8k 8192 232 0 232 39 38 1 1 0 8 1 mcl4k 4096 652 0 652 17 16 1 1 0 8 1 mcl2k2 2112 85 0 85 34 34 0 1 0 8 0 mcl2k 2048 79415 0 79363 31 24 7 14 0 8 0 mtagpl 80 375 0 371 3 2 1 1 0 8 0 mbufpl 256 189650 0 189549 150 142 8 24 0 8 0 bufpl 256 39439 0 31432 501 0 501 501 0 8 0 anonpl 16 1144457 0 1132179 340 281 59 101 0 62 0 amapchunkpl 152 54775 0 54646 91 84 7 35 0 158 0 amappl16 192 64897 0 64211 374 334 40 47 0 8 5 amappl15 184 3066 0 3066 5 5 0 1 0 8 0 amappl14 176 3575 0 3568 1 0 1 1 0 8 0 amappl13 168 674 0 674 9 9 0 1 0 8 0 amappl12 160 2112 0 2106 1 0 1 1 0 8 0 amappl11 152 1505 0 1501 1 0 1 1 0 8 0 amappl10 144 2086 0 2082 1 0 1 1 0 8 0 amappl9 136 2618 0 2612 1 0 1 1 0 8 0 amappl8 128 2065 0 2027 2 0 2 2 0 8 0 amappl7 120 2116 0 2111 1 0 1 1 0 8 0 amappl6 112 1424 0 1416 1 0 1 1 0 8 0 amappl5 104 2566 0 2559 1 0 1 1 0 8 0 amappl4 96 11396 0 11372 1 0 1 1 0 8 0 amappl3 88 5630 0 5619 1 0 1 1 0 8 0 amappl2 80 100648 0 100586 3 1 2 3 0 8 0 amappl1 72 230817 0 230445 25 16 9 19 0 8 0 amappl 80 29095 0 29055 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 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 64 145 0 16 3 0 3 3 0 8 0 uaddrrnd 24 12819 0 12793 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 12819 0 12793 1 0 1 1 0 8 0 vmmpekpl 168 78795 0 78765 2 0 2 2 0 8 0 vmmpepl 168 1490198 0 1488520 541 448 93 108 0 357 12 vmsppl 272 12804 0 12793 5 4 1 2 0 8 0 pdppl 4096 25644 0 25614 6 1 5 6 0 8 0 pvpl 32 3231614 0 3216290 816 672 144 335 0 265 8 pmappl 200 12818 0 12807 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 1204 0 568 20 0 20 20 0 8 0