kernel: double fault trap, code=0 Stopped at restore_saved+0x32: 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 0xffffffff83f6a000 end+0x36a000 rsi 0xffff80002a775a08 rbp 0 rbx 0 rdx 0 rcx 0xfffffd806ad4ea30 rax 0x1b r8 0x8 r9 0 r10 0x75e7b00f2fd0cad r11 0xb327dfbb7e892132 r12 0xffff80002a775a08 r13 0xffff80003c9c4000 r14 0xffff80002a774548 r15 0xffff80002a775a08 rip 0xffffffff8139b1dc restore_saved+0x32 cs 0x8 rflags 0x10046 __ALIGN_SIZE+0xf046 rsp 0 ss 0 restore_saved+0x32: xorq 0x30(%rsp),%r11 ddb> show proc PROC (syz-executor) tid=144968 pid=76056 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a774548,0xffff80002a7a4fd0 process=0xffff8000ffff9b18 user=0xffff80003c9c4000, vmspace=0xfffffd806cd27b90 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 76056 149780 87287 0 2 0 syz-executor *76056 144968 87287 0 7 0x4000000 syz-executor 55026 444835 30073 0 2 0 syz-executor 55026 138536 30073 0 3 0x4000080 ttyin syz-executor 55026 119633 30073 0 2 0x4000000 syz-executor 38091 401516 78214 0 2 0x2 ifconfig 78214 17374 23991 0 3 0x10008a sigsusp sh 69036 387799 20859 0 2 0 syz-executor 69036 33582 20859 0 2 0x4000000 syz-executor 69036 461921 20859 0 2 0x4000000 syz-executor 29579 253773 75184 0 2 0 syz-executor 29579 155576 75184 0 3 0x4000080 fsleep syz-executor 29579 146066 75184 0 3 0x4000080 fsleep syz-executor 23991 212884 29171 0 3 0x82 wait syz-executor 36033 295392 29171 0 3 0x2 biowait syz-executor 65445 521912 0 0 3 0x14200 acct acct 13862 298250 1 0 3 0x100083 ttyin getty 95586 104552 0 0 3 0x14280 nfsidl nfsio 60474 264102 0 0 3 0x14280 nfsidl nfsio 65890 147252 0 0 3 0x14280 nfsidl nfsio 59236 521366 0 0 3 0x14280 nfsidl nfsio 77612 106882 0 0 3 0x14280 nfsidl nfsio 97512 73250 0 0 3 0x14280 nfsidl nfsio 25533 97785 0 0 3 0x14280 nfsidl nfsio 87992 101917 0 0 3 0x14280 nfsidl nfsio 95283 13901 0 0 3 0x14280 nfsidl nfsio 23930 106026 0 0 3 0x14280 nfsidl nfsio 56151 350548 0 0 3 0x14280 nfsidl nfsio 74828 34772 0 0 3 0x14280 nfsidl nfsio 8846 83690 0 0 3 0x14280 nfsidl nfsio 7569 173818 0 0 3 0x14280 nfsidl nfsio 30423 297995 0 0 3 0x14280 nfsidl nfsio 30070 152642 0 0 3 0x14280 nfsidl nfsio 56803 263333 0 0 3 0x14280 nfsidl nfsio 86548 498056 0 0 3 0x14280 nfsidl nfsio 5568 409172 0 0 3 0x14280 nfsidl nfsio 87314 486570 0 0 3 0x14280 nfsidl nfsio 25660 308805 29171 0 3 0x82 wait syz-executor 87287 302911 29171 0 3 0x82 nanoslp syz-executor 20859 515759 29171 0 3 0x82 nanoslp syz-executor 30073 517167 29171 0 3 0x82 nanoslp syz-executor 72639 141416 29171 0 3 0x82 wait syz-executor 75184 271103 29171 0 3 0x82 nanoslp syz-executor 29171 154181 62595 0 3 0x82 kqread syz-executor 62595 460077 32502 0 3 0x10008a sigsusp ksh 32502 206883 60729 0 3 0x98 kqread sshd-session 60729 89652 91243 0 3 0x92 kqread sshd-session 91243 351226 1 0 3 0x88 kqread sshd 39877 189456 69404 73 3 0x1100090 kqread syslogd 69404 301730 1 0 3 0x100082 sbwait syslogd 54120 434309 1 0 3 0x100080 kqread resolvd 82865 478363 87058 77 3 0x100092 kqread dhcpleased 21913 79021 87058 77 3 0x100092 kqread dhcpleased 87058 446865 1 0 3 0x80 kqread dhcpleased 13253 22525 0 0 3 0x14200 bored smr 97005 8176 0 0 2 0x14200 zerothread 8950 297668 0 0 3 0x14200 aiodoned aiodoned 95297 499044 0 0 3 0x14200 syncer update 88130 69908 0 0 3 0x14200 cleaner cleaner 45889 275746 0 0 3 0x14200 reaper reaper 23206 331875 0 0 3 0x14200 pgdaemon pagedaemon 24261 81269 0 0 3 0x14200 bored viomb 63938 489923 0 0 3 0x40014200 acpi0 acpi0 17251 421707 0 0 3 0x14200 bored softnet0 26650 502123 0 0 3 0x14200 bored systqmp 54246 241436 0 0 3 0x14200 bored systq 3247 122724 0 0 3 0x40014200 tmoslp softclock 393 380429 0 0 3 0x40014200 idle0 1 115720 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11046 12128K 12599K 166960K 13159 0 pcb 18 16K 22K 166960K 381 0 rtable 192 14K 14K 166960K 581 0 pf 30 12K 14K 166960K 83 0 ifaddr 32 5K 7K 166960K 80 0 ifgroup 48 2K 2K 166960K 120 0 sysctl 3 1K 9K 166960K 9 0 counters 33 17K 18K 166960K 59 0 ioctlops 0 0K 4K 166960K 128 0 iov 0 0K 24K 166960K 32 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1362 86K 86K 166960K 2184 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 14 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 41 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 248K 166960K 766 0 sigio 0 0K 0K 166960K 21 0 proc 67 67K 116K 166960K 657 0 subproc 72 4K 4K 166960K 100 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 78 0 in_multi 57 4K 7K 166960K 148 0 ether_multi 1 0K 0K 166960K 3 0 mrt 2 0K 0K 166960K 20 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 483 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 222 159K 180K 166960K 8532 0 UVM aobj 87 13K 15K 166960K 91 0 pinsyscall 39 78K 96K 166960K 1931 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 145 0 NDP 11 0K 2K 166960K 54 0 temp 76 9076K 9142K 166960K 22078 0 kqueue 14 22K 29K 166960K 110 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 210 0 207 5 2 3 3 0 8 2 rtentry 136 155 0 78 4 0 4 4 0 8 0 unpcb 144 687 0 672 5 3 2 4 0 8 1 syncache 336 6 0 6 2 1 1 1 0 8 1 tcpcb 736 197 0 192 1 0 1 1 0 8 0 arp 96 28 0 15 1 0 1 1 0 8 0 ipq 40 3 0 1 1 0 1 1 0 8 0 ipqe 40 5 0 3 1 0 1 1 0 8 0 inpcb 328 839 0 828 13 6 7 7 0 8 6 ip6q 72 3 0 0 1 0 1 1 0 8 0 ip6af 40 4 0 0 1 0 1 1 0 8 0 nd6 112 33 0 19 1 0 1 1 0 8 0 pkpcb 40 3 0 3 2 1 1 1 0 8 1 kcovpl 48 11 0 3 1 0 1 1 0 8 0 ppxss 1072 16 0 15 2 1 1 1 0 8 0 pppxif 1416 1 0 1 1 1 0 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfrule 1360 4 0 2 1 0 1 1 0 8 0 rttmr 136 2 0 2 1 0 1 1 0 8 1 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 585 0 286 29 3 26 29 0 8 6 art_table 40 589 0 286 5 0 5 5 0 8 0 art_node 32 155 0 85 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 3 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 35 0 25 1 0 1 1 0 8 0 shmpl 112 83 0 3 3 0 3 3 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2847 0 1382 92 0 92 92 0 8 0 ffsino 256 2847 0 1382 92 0 92 92 0 8 0 nchpl 144 3838 0 2136 64 0 64 64 0 8 0 rtmask 32 1 0 1 1 1 0 1 0 8 0 vnodes 216 3365 0 0 187 0 187 187 0 8 0 namei 1024 13243 0 13242 2 1 1 2 0 8 0 vcpupl 3904 5 0 1 1 0 1 1 0 8 0 vmpool 808 5 0 1 1 0 1 1 0 8 0 kstatmem 264 68 0 46 3 1 2 3 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 12827 0 12826 10 2 8 8 1 8 7 plimitpl 152 228 0 212 1 0 1 1 0 8 0 sigapl 424 1064 0 1000 9 1 8 8 0 8 0 knotepl 120 26024 0 25975 18 8 10 10 0 8 8 kqueuepl 184 335 0 325 7 3 4 4 0 8 3 pipepl 304 241 0 213 3 0 3 3 0 8 0 fdescpl 448 1029 0 999 5 1 4 5 0 8 0 filepl 120 7042 0 6822 13 2 11 11 0 8 2 lockfpl 104 449 0 447 2 0 2 2 0 8 1 lockfspl 48 211 0 209 1 0 1 1 0 8 0 sessionpl 144 27 0 19 1 0 1 1 0 8 0 pgrppl 48 45 0 29 1 0 1 1 0 8 0 ucredpl 104 1224 0 1212 1 0 1 1 0 8 0 zombiepl 144 1265 0 1263 1 0 1 1 0 8 0 processpl 1152 1064 0 1000 5 0 5 5 0 8 0 procpl 664 2047 0 1976 9 1 8 8 0 8 1 sosppl 176 6 0 6 2 1 1 1 0 8 1 sockpl 552 1828 0 1799 19 9 10 12 0 8 7 mcl64k 65536 36 0 35 2 1 1 1 0 8 0 mcl16k 16384 2 0 2 1 1 0 1 0 8 0 mcl9k 9216 1 0 1 1 1 0 1 0 8 0 mcl8k 8192 107 0 107 2 1 1 1 0 8 1 mcl4k 4096 3263 0 3212 15 7 8 14 0 8 0 mcl2k 2048 837 0 835 3 1 2 2 0 8 1 mtagpl 96 37 0 10 1 0 1 1 0 8 0 mbufpl 256 20421 0 20267 506 493 13 505 0 8 1 bufpl 280 4120 0 113 287 0 287 287 0 8 0 anonpl 24 172264 0 169052 52 6 46 46 0 187 15 amapchunkpl 152 28168 0 27711 35 5 30 30 0 158 11 amappl16 200 2741 0 2712 18 6 12 16 0 8 8 amappl15 192 12 0 12 1 1 0 1 0 8 0 amappl14 184 442 0 440 1 0 1 1 0 8 0 amappl13 176 134 0 124 1 0 1 1 0 8 0 amappl12 168 1280 0 1251 2 0 2 2 0 8 0 amappl11 160 8 0 7 1 0 1 1 0 8 0 amappl10 152 56 0 46 1 0 1 1 0 8 0 amappl9 144 256 0 256 1 1 0 1 0 8 0 amappl8 136 117 0 115 1 0 1 1 0 8 0 amappl7 128 162 0 151 1 0 1 1 0 8 0 amappl6 120 181 0 177 1 0 1 1 0 8 0 amappl5 112 92 0 84 1 0 1 1 0 8 0 amappl4 104 272 0 256 1 0 1 1 0 8 0 amappl3 96 5475 0 5367 5 1 4 4 0 8 0 amappl2 88 564 0 506 2 0 2 2 0 8 0 amappl1 80 12695 0 12138 16 2 14 16 0 8 0 amappl 88 7677 0 7520 5 0 5 5 0 92 0 uvmvnodes 80 122 0 0 3 0 3 3 0 8 0 dma65536 65536 1 0 1 1 0 1 1 0 8 1 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 7 0 7 1 1 0 1 0 8 0 dma128 128 254 0 254 2 1 1 1 0 8 1 dma64 64 7 0 7 2 1 1 1 0 8 1 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 90 0 4 2 0 2 2 0 8 0 uaddrrnd 24 1029 0 999 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1029 0 999 1 0 1 1 0 8 0 vmmpekpl 168 10028 0 9980 3 0 3 3 0 8 0 vmmpepl 168 72426 0 70636 105 13 92 93 0 357 10 vmsppl 368 1028 0 999 4 1 3 4 0 8 0 rwobjpl 40 21890 0 20812 14 1 13 13 0 8 0 pdppl 4096 2074 0 2004 105 33 72 82 0 8 2 pvpl 32 481652 0 472791 126 9 117 117 0 265 25 pmappl 216 1033 0 1000 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 874 0 546 24 13 11 24 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