_jKLR:X?U|tͤW8C\]bcV^Ȫ =*_Lٷ<1)֎`^Y@tN8 gBoyI$~Ukernel: double fault trap, code=0 Stopped at restore_saved+0x35: xorq 0x30(%rsp),%r11 ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace end trace frame: 0x0, count: -1 ddb> show registers rdi 0xffffffff8311e000 end+0x31e000 rsi 0xffff80002168a2a8 rbp 0 rbx 0 rdx 0 rcx 0xfffffd807f0120d8 rax 0x23 r8 0 r9 0 r10 0x61430792c596f9f7 r11 0x91a10de5f73e1cc6 r12 0xffff80002168a2a8 r13 0xffff80002b403000 r14 0xffff800021634a98 r15 0xffff80002168a2a8 rip 0xffffffff81ed21e5 restore_saved+0x35 cs 0x8 rflags 0x10046 __ALIGN_SIZE+0xf046 rsp 0 ss 0x10 restore_saved+0x35: xorq 0x30(%rsp),%r11 ddb> show proc PROC (syz-executor.5) tid=400448 pid=5171 tcnt=2 stat=onproc flags process=0 proc=0 runpri=79, usrpri=79, slppri=16, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002168a000,0xffff800021721ab0 process=0xffff8000ffff8fc0 user=0xffff80002b403000, vmspace=0xfffffd8078b0ca38 estcpu=29, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 78454 42638 26857 0 2 0 syz-executor.2 78454 408076 26857 0 3 0x4000080 fsleep syz-executor.2 98738 304114 17779 0 2 0 syz-executor.6 98738 135060 17779 0 3 0x4000080 fsleep syz-executor.6 57211 417248 33452 0 2 0 syz-executor.7 57211 107507 33452 0 3 0x4000080 fsleep syz-executor.7 23422 186144 79508 0 2 0 syz-executor.0 23422 235566 79508 0 3 0x4000080 fsleep syz-executor.0 * 5171 400448 47698 0 7 0 syz-executor.5 5171 239122 47698 0 3 0x4000080 fsleep syz-executor.5 23262 103666 44313 0 2 0 syz-executor.1 23262 83187 44313 0 3 0x4000080 msgwait syz-executor.1 23262 501260 44313 0 3 0x4000080 msgwait syz-executor.1 77932 47254 11628 0 2 0 syz-executor.4 77932 36757 11628 0 3 0x4000080 fsleep syz-executor.4 77932 5095 11628 0 3 0x4000080 fsleep syz-executor.4 47698 2153 90302 0 3 0x82 nanoslp syz-executor.5 26857 371155 90302 0 3 0x82 nanoslp syz-executor.2 98647 186880 1 0 3 0x100083 ttyin getty 33452 282182 90302 0 3 0x82 nanoslp syz-executor.7 17779 345698 90302 0 3 0x82 nanoslp syz-executor.6 13788 149665 90302 0 2 0x2 syz-executor.3 79508 343881 90302 0 3 0x82 nanoslp syz-executor.0 11628 157197 90302 0 3 0x82 nanoslp syz-executor.4 27589 296306 0 0 3 0x14200 acct acct 39695 302638 0 0 3 0x14280 nfsidl nfsio 69787 410793 0 0 3 0x14280 nfsidl nfsio 7596 40062 0 0 3 0x14280 nfsidl nfsio 5113 267201 0 0 3 0x14280 nfsidl nfsio 30416 207049 0 0 3 0x14280 nfsidl nfsio 62515 182602 0 0 3 0x14280 nfsidl nfsio 85168 32421 0 0 3 0x14280 nfsidl nfsio 45043 27894 0 0 3 0x14280 nfsidl nfsio 4016 124857 0 0 3 0x14280 nfsidl nfsio 10178 342734 0 0 3 0x14280 nfsidl nfsio 17135 386467 0 0 3 0x14280 nfsidl nfsio 35253 342023 0 0 3 0x14280 nfsidl nfsio 10727 73325 0 0 3 0x14280 nfsidl nfsio 21175 255278 0 0 3 0x14280 nfsidl nfsio 80470 509917 0 0 3 0x14280 nfsidl nfsio 10445 469616 0 0 3 0x14280 nfsidl nfsio 68832 351472 0 0 3 0x14280 nfsidl nfsio 89826 401722 0 0 3 0x14280 nfsidl nfsio 60329 479365 0 0 3 0x14280 nfsidl nfsio 90069 419694 0 0 3 0x14280 nfsidl nfsio 44313 406475 90302 0 3 0x82 nanoslp syz-executor.1 18930 141527 0 0 3 0x14200 bored sosplice 90302 337766 89336 0 3 0x2000082 wait syz-fuzzer 90302 486684 89336 0 3 0x6000082 nanoslp syz-fuzzer 90302 345254 89336 0 3 0x6000082 wait syz-fuzzer 90302 199865 89336 0 3 0x6000082 thrsleep syz-fuzzer 90302 310526 89336 0 3 0x6000082 wait syz-fuzzer 90302 15944 89336 0 3 0x6000082 thrsleep syz-fuzzer 90302 170163 89336 0 3 0x6000082 thrsleep syz-fuzzer 90302 179008 89336 0 3 0x6000082 wait syz-fuzzer 90302 69750 89336 0 3 0x6000082 wait syz-fuzzer 90302 129735 89336 0 3 0x6000082 thrsleep syz-fuzzer 90302 256516 89336 0 3 0x6000082 wait syz-fuzzer 90302 488376 89336 0 3 0x6000082 wait syz-fuzzer 90302 175472 89336 0 3 0x6000082 wait syz-fuzzer 90302 125429 89336 0 3 0x6000082 kqread syz-fuzzer 89336 343394 9491 0 3 0x10008a sigsusp ksh 9491 415321 20515 0 3 0x9a kqread sshd 20515 306219 1 0 3 0x88 kqread sshd 24543 481849 28058 73 3 0x1100090 kqread syslogd 28058 352509 1 0 3 0x100082 netio syslogd 31193 213247 1 0 3 0x100080 kqread resolvd 91513 119217 62040 77 3 0x100092 kqread dhcpleased 6316 409052 62040 77 3 0x100092 kqread dhcpleased 62040 75361 1 0 3 0x80 kqread dhcpleased 61481 348568 0 0 3 0x14200 bored smr 14945 151532 0 0 2 0x14200 zerothread 54444 109791 0 0 3 0x14200 aiodoned aiodoned 96211 165820 0 0 3 0x14200 syncer update 49326 340856 0 0 3 0x14200 cleaner cleaner 18658 503599 0 0 3 0x14200 reaper reaper 69565 155832 0 0 3 0x14200 pgdaemon pagedaemon 51038 210564 0 0 3 0x14200 bored viomb 19119 241975 0 0 3 0x40014200 acpi0 acpi0 67667 115203 0 0 3 0x14200 bored softnet3 99427 312212 0 0 3 0x14200 bored softnet2 25126 38053 0 0 3 0x14200 bored softnet1 47769 49498 0 0 3 0x14200 bored softnet0 5372 36641 0 0 3 0x14200 bored systqmp 92591 333063 0 0 3 0x14200 bored systq 33314 318596 0 0 3 0x40014200 tmoslp softclock 34531 111306 0 0 3 0x40014200 idle0 1 441802 0 0 3 0x80082 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 10180 6427K 7466K 78643K 22363 0 pcb 13 20K 24K 78643K 462 0 rtable 244 15K 15K 78643K 1406 0 pf 31 9K 10K 78643K 229 0 ifaddr 44 12K 13K 78643K 188 0 ifgroup 54 2K 2K 78643K 360 0 sysctl 3 0K 0K 78643K 21 0 counters 29 17K 17K 78643K 111 0 ioctlops 0 0K 2K 78643K 519 0 iov 0 0K 18K 78643K 2892 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1464 92K 92K 78643K 6027 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 13K 78643K 937 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 4107 0 dirhash 12 2K 2K 78643K 39 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 17 61K 77K 78643K 9671 0 sigio 0 0K 0K 78643K 86 0 proc 58 59K 83K 78643K 1234 0 subproc 104 6K 6K 78643K 338 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 382 0 in_multi 99 7K 7K 78643K 326 0 ether_multi 1 0K 0K 78643K 1 0 mrt 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 67 307K 307K 78643K 67 0 exec 0 0K 1K 78643K 1974 0 pfkey data 0 0K 0K 78643K 68 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 429 336K 340K 78643K 94334 0 UVM aobj 131 4K 4K 78643K 135 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 213 0 NDP 12 0K 2K 78643K 146 0 temp 74 5916K 6160K 78643K 99048 0 kqueue 12 18K 28K 78643K 524 0 SYN cache 2 1236K 1244K 78643K 3 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 550 0 547 9 8 1 3 0 8 0 rtentry 112 324 0 212 4 0 4 4 0 8 0 unpcb 144 6799 0 6786 81 77 4 10 0 8 3 syncache 312 51 0 51 11 10 1 1 0 8 1 tcpqe 32 299 0 299 8 8 0 1 0 8 0 tcpcb 808 4229 0 4218 146 138 8 14 0 8 6 arp 88 55 0 36 1 0 1 1 0 8 0 ipq 40 10 0 10 2 2 0 1 0 8 0 ipqe 40 29 0 29 2 2 0 1 0 8 0 inpcb 336 9349 0 9332 185 178 7 22 0 8 5 nd6 104 85 0 60 1 0 1 1 0 8 0 pkpcb 40 25 0 25 6 6 0 1 0 8 0 kcovpl 48 26 0 18 1 0 1 1 0 8 0 ppxss 1160 28 0 28 7 6 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1289 0 825 31 2 29 30 0 8 0 art_table 32 1290 0 825 4 0 4 4 0 8 0 art_node 16 316 0 214 1 0 1 1 0 8 0 sysvmsgpl 40 623 0 583 1 0 1 1 0 8 0 semupl 112 11 0 11 1 1 0 1 0 8 0 semapl 112 4100 0 4090 1 0 1 1 0 8 0 shmpl 112 132 0 4 4 0 4 4 0 8 0 dirhash 1024 35 0 18 3 0 3 3 0 8 0 dino2pl 256 14161 0 12692 93 0 93 93 0 8 0 ffsino 240 14161 0 12692 87 0 87 87 0 8 0 nchpl 144 28986 0 28495 63 42 21 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 92747 0 92747 9 8 1 3 0 8 1 vcpupl 2048 31 0 1 4 0 4 4 0 8 0 vmpool 664 43 0 13 6 3 3 3 0 8 0 kstatmem 264 188 0 164 2 0 2 2 0 8 0 scxspl 216 82681 0 82681 31 30 1 8 1 8 1 plimitpl 152 906 0 890 1 0 1 1 0 8 0 sigapl 424 9954 0 9888 8 0 8 8 0 8 0 futexpl 64 118721 0 118714 3 2 1 1 0 8 0 knotepl 120 81381 0 81301 9 6 3 5 0 8 0 kqueuepl 184 1174 0 1166 19 18 1 4 0 8 0 pipepl 288 1305 0 1277 34 27 7 7 0 8 4 fdescpl 432 9916 0 9888 4 0 4 4 0 8 0 filepl 120 56436 0 56196 120 106 14 16 0 8 5 lockfpl 104 2793 0 2791 6 5 1 3 0 8 0 lockfspl 48 1057 0 1055 1 0 1 1 0 8 0 sessionpl 144 46 0 30 1 0 1 1 0 8 0 pgrppl 48 184 0 168 1 0 1 1 0 8 0 ucredpl 104 9398 0 9381 1 0 1 1 0 8 0 zombiepl 144 9888 0 9888 1 0 1 1 0 8 1 processpl 1008 9954 0 9888 11 2 9 9 0 8 0 procpl 680 25791 0 25703 23 14 9 9 0 8 1 sosppl 168 78 0 78 11 11 0 1 0 8 0 sockpl 456 16726 0 16696 503 490 13 39 0 8 8 mcl64k 65536 321 0 321 21 20 1 1 0 8 1 mcl16k 16384 137 0 137 30 29 1 1 0 8 1 mcl12k 12288 308 0 308 25 24 1 1 0 8 1 mcl9k 9216 168 0 168 27 26 1 1 0 8 1 mcl8k 8192 1413 0 1413 6 5 1 1 0 8 1 mcl4k 4096 1644 0 1644 6 5 1 2 0 8 1 mcl2k2 2112 73 0 73 27 26 1 1 0 8 1 mcl2k 2048 85329 0 85278 59 51 8 30 0 8 1 mtagpl 96 1022 0 837 17 10 7 10 0 8 0 mbufpl 256 239324 0 238955 879 849 30 548 0 8 0 bufpl 288 20826 0 14432 458 0 458 458 0 8 0 anonpl 24 3050258 0 3036207 431 296 135 159 0 188 13 amapchunkpl 152 306269 0 305369 108 69 39 47 0 158 3 amappl16 200 138138 0 137669 720 669 51 62 0 8 21 amappl15 192 12 0 12 2 2 0 1 0 8 0 amappl14 184 216 0 205 2 1 1 2 0 8 0 amappl13 176 45 0 45 1 1 0 1 0 8 0 amappl12 168 10820 0 10791 2 0 2 2 0 8 0 amappl11 160 53 0 43 1 0 1 1 0 8 0 amappl10 152 47 0 37 2 1 1 1 0 8 0 amappl9 144 160 0 159 2 1 1 1 0 8 0 amappl8 136 471 0 374 4 0 4 4 0 8 0 amappl7 128 224 0 201 2 0 2 2 0 8 0 amappl6 120 609 0 594 1 0 1 1 0 8 0 amappl5 112 293 0 283 1 0 1 1 0 8 0 amappl4 104 618 0 597 2 1 1 2 0 8 0 amappl3 96 58614 0 58522 3 0 3 3 0 8 0 amappl2 88 11579 0 11502 3 1 2 3 0 8 0 amappl1 80 44437 0 43922 22 10 12 22 0 8 0 amappl 88 93470 0 93210 7 0 7 7 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 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 72 134 0 4 3 0 3 3 0 8 0 uaddrrnd 24 9959 0 9901 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 9959 0 9901 1 0 1 1 0 8 0 vmmpekpl 168 71848 0 71776 5 1 4 4 0 8 0 vmmpepl 168 714398 0 712015 366 238 128 135 0 357 12 vmsppl 368 9958 0 9901 6 0 6 6 0 8 0 rwobjpl 24 267568 0 259971 52 2 50 50 0 8 0 pdppl 4096 19924 0 19832 475 380 95 95 0 8 3 pvpl 32 4922677 0 4903084 698 468 230 326 0 265 28 pmappl 216 9958 0 9901 4 0 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2570 0 1718 40 13 27 39 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace end trace frame: 0x0, count: -1 ddb> machine ddbcpu 1 No such command ddb> trace end trace frame: 0x0, count: -1