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 0xffffffff83277000 end+0x277000 rsi 0xffff80002a67bc50 rbp 0 rbx 0 rdx 0 rcx 0xfffffd80695881c0 rax 0x1b r8 0x7f7fffffc000 r9 0 r10 0x34450adf4405cce2 r11 0xe635467bfae10cdf r12 0xffff80002a67bc50 r13 0xffff80002c0fc000 r14 0xffff80002db454b0 r15 0xffff80002a67bc50 rip 0xffffffff818901dc restore_saved+0x32 cs 0x8 rflags 0x10046 __ALIGN_SIZE+0xf046 rsp 0xfffffffa00000004 ss 0x10 restore_saved+0x32: xorq 0x30(%rsp),%r11 ddb> show proc PROC (syz-executor.0) tid=457321 pid=16580 tcnt=1 stat=onproc flags process=8000002 proc=480 runpri=32, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a609c48,0xffff80002db447f0 process=0xffff80002a65d0d0 user=0xffff80002c0fc000, vmspace=0xfffffd80697fc2c0 estcpu=36, cpticks=0, pctcpu=0.1, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 18539 322384 7945 0 2 0x8000000 syz-executor.7 58911 170180 59165 0 3 0x8000080 nanoslp syz-executor.3 58911 398349 59165 0 3 0xc000080 bell syz-executor.3 73586 366092 16580 0 3 0x8000080 nanoslp syz-executor.0 73586 20759 16580 0 3 0xc000080 fsleep syz-executor.0 73586 109917 16580 0 3 0xc000080 fsleep syz-executor.0 73586 499219 16580 0 3 0xc000080 pipewr syz-executor.0 73586 39252 16580 0 3 0xc000080 fsleep syz-executor.0 18143 253688 13700 0 3 0x8000080 nanoslp syz-executor.5 18143 281424 13700 0 3 0xc000080 netcon syz-executor.5 18143 8339 13700 0 3 0xc000080 fsleep syz-executor.5 58940 280447 64872 60928 3 0x8000090 nanoslp syz-executor.1 58940 94512 64872 60928 3 0xc000090 kqsel syz-executor.1 58940 137086 64872 60928 3 0xc000090 fsleep syz-executor.1 82513 178194 5329 0 2 0x8000480 syz-executor.2 82513 510581 5329 0 3 0xc000080 kqread syz-executor.2 82513 192148 5329 0 3 0xc000080 netcon syz-executor.2 82513 386473 5329 0 3 0xc000080 fsleep syz-executor.2 *16580 457321 65892 0 7 0x8000482 syz-executor.0 33832 468596 0 0 3 0x14280 nfsidl nfsio 4923 7815 0 0 3 0x14280 nfsidl nfsio 58433 243243 0 0 3 0x14280 nfsidl nfsio 15633 426868 0 0 3 0x14280 nfsidl nfsio 93685 485991 0 0 3 0x14280 nfsidl nfsio 48811 64845 0 0 3 0x14280 nfsidl nfsio 11746 149420 0 0 3 0x14280 nfsidl nfsio 72660 1767 0 0 3 0x14280 nfsidl nfsio 84006 474612 0 0 3 0x14280 nfsidl nfsio 9651 248320 0 0 3 0x14280 nfsidl nfsio 94740 9437 0 0 3 0x14280 nfsidl nfsio 85868 484546 0 0 3 0x14280 nfsidl nfsio 96686 356959 0 0 3 0x14280 nfsidl nfsio 94411 99320 0 0 3 0x14280 nfsidl nfsio 89857 55342 0 0 3 0x14280 nfsidl nfsio 13813 258924 0 0 3 0x14280 nfsidl nfsio 68737 89198 0 0 3 0x14280 nfsidl nfsio 44661 186277 0 0 3 0x14280 nfsidl nfsio 89038 495388 0 0 3 0x14280 nfsidl nfsio 96674 378753 0 0 3 0x14280 nfsidl nfsio 5329 521616 65892 0 3 0x8000082 nanoslp syz-executor.2 81033 464100 65892 0 3 0x8000082 nanoslp syz-executor.4 7945 141516 65892 0 3 0x8000082 nanoslp syz-executor.7 59165 384969 65892 0 3 0x8000082 nanoslp syz-executor.3 99241 55094 65892 0 2 0x8000482 syz-executor.6 64872 225846 65892 0 2 0x8000482 syz-executor.1 13700 79001 65892 0 3 0x8000082 nanoslp syz-executor.5 34384 290516 0 0 3 0x14200 acct acct 33484 478527 0 0 3 0x14200 bored sosplice 65892 482704 9673 0 3 0x1a000082 wait syz-fuzzer 65892 462305 9673 0 3 0x1e000082 nanoslp syz-fuzzer 65892 472893 9673 0 3 0x1e000082 thrsleep syz-fuzzer 65892 319700 9673 0 3 0x1e000082 thrsleep syz-fuzzer 65892 351722 9673 0 3 0x1e000082 wait syz-fuzzer 65892 520386 9673 0 3 0x1e000082 wait syz-fuzzer 65892 387866 9673 0 3 0x1e000082 wait syz-fuzzer 65892 462329 9673 0 3 0x1e000082 wait syz-fuzzer 65892 13139 9673 0 3 0x1e000082 kqread syz-fuzzer 65892 380187 9673 0 3 0x1e000082 thrsleep syz-fuzzer 65892 199093 9673 0 3 0x1e000082 wait syz-fuzzer 65892 451136 9673 0 3 0x1e000082 wait syz-fuzzer 65892 362891 9673 0 3 0x1e000082 wait syz-fuzzer 65892 277807 9673 0 3 0x1e000082 thrsleep syz-fuzzer 9673 151033 89111 0 3 0x810008a sigsusp ksh 89111 208146 20638 0 3 0x1800009a kqread sshd 90876 370886 1 0 3 0x18100083 ttyin getty 20638 153059 1 0 3 0x18000088 kqread sshd 98 265435 97088 73 3 0x19100010 ffs_fsync syslogd 97088 249612 1 0 3 0x18100082 sbwait syslogd 97236 457203 1 0 3 0x18100080 kqread resolvd 70301 332891 32448 77 3 0x18100092 kqread dhcpleased 37290 516794 32448 77 3 0x18100092 kqread dhcpleased 32448 424442 1 0 3 0x18000080 kqread dhcpleased 99672 452276 0 0 3 0x14200 bored smr 36304 319893 0 0 2 0x14200 zerothread 13523 112884 0 0 3 0x14200 aiodoned aiodoned 25032 307622 0 0 3 0x14200 syncer update 64652 377648 0 0 3 0x14200 cleaner cleaner 44038 512345 0 0 3 0x14200 reaper reaper 59242 193118 0 0 3 0x14200 pgdaemon pagedaemon 96937 450403 0 0 3 0x14200 bored viomb 36040 307048 0 0 3 0x40014200 acpi0 acpi0 76543 55302 0 0 3 0x14200 bored softnet3 73190 336592 0 0 3 0x14200 bored softnet2 99762 158607 0 0 3 0x14200 bored softnet1 11645 201565 0 0 3 0x14200 bored softnet0 71610 99879 0 0 3 0x14200 bored systqmp 55368 75650 0 0 3 0x14200 bored systq 55309 520263 0 0 3 0x40014200 tmoslp softclock 56573 187736 0 0 3 0x40014200 idle0 1 164165 0 0 3 0x8080082 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 10193 6432K 7071K 166960K 15054 0 pcb 16 12K 14K 166960K 297 0 rtable 217 11K 11K 166960K 1224 0 pf 34 9K 9K 166960K 122 0 ifaddr 41 11K 11K 166960K 163 0 ifgroup 59 2K 2K 166960K 215 0 sysctl 4 1K 1K 166960K 6 0 counters 32 17K 17K 166960K 76 0 ioctlops 0 0K 2K 166960K 136 0 iov 0 0K 28K 166960K 252 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1371 86K 86K 166960K 3318 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 75 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 48 0 dirhash 12 2K 2K 166960K 63 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 16 57K 69K 166960K 2883 0 sigio 1 0K 0K 166960K 84 0 proc 58 59K 75K 166960K 1250 0 subproc 104 6K 6K 166960K 390 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 5 0K 0K 166960K 409 0 in_multi 86 6K 7K 166960K 412 0 ether_multi 2 0K 0K 166960K 17 0 mrt 2 0K 0K 166960K 18 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 857 0 pfkey data 0 0K 0K 166960K 4 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 358 167K 169K 166960K 26497 0 UVM aobj 105 8K 8K 166960K 119 0 pinsyscall 36 72K 100K 166960K 4604 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 199 0 NDP 13 0K 2K 166960K 118 0 temp 77 6804K 7440K 166960K 35181 0 kqueue 13 20K 28K 166960K 344 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 120 250 0 246 1 0 1 1 0 8 0 rtentry 112 396 0 299 4 0 4 4 0 8 1 unpcb 144 1696 0 1683 2 0 2 2 0 8 1 syncache 336 65 0 65 1 0 1 1 0 8 1 tcpqe 32 139 0 139 1 0 1 1 0 8 1 tcpcb 808 1298 0 1255 17 4 13 17 0 8 8 arp 88 73 0 57 1 0 1 1 0 8 0 ipq 40 6 0 6 1 0 1 1 0 8 1 ipqe 40 93 0 93 1 0 1 1 0 8 1 inpcb 360 3048 0 2996 16 4 12 16 0 8 7 nd6 104 96 0 76 1 0 1 1 0 8 0 pkpcb 40 23 0 23 1 0 1 1 0 8 1 kcovpl 48 30 0 22 1 0 1 1 0 8 0 ppxss 1072 10 0 10 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1496 0 1092 33 7 26 30 0 8 0 art_table 32 1497 0 1092 4 0 4 4 0 8 0 art_node 16 383 0 294 1 0 1 1 0 8 0 sysvmsgpl 40 43 0 30 1 0 1 1 0 8 0 semupl 112 4 0 4 1 0 1 1 0 8 1 semapl 112 43 0 33 1 0 1 1 0 8 0 shmpl 112 116 0 14 3 0 3 3 0 8 0 dirhash 1024 51 0 34 3 0 3 3 0 8 0 dino2pl 256 5828 0 4302 96 0 96 96 0 8 0 ffsino 240 5828 0 4302 91 0 91 91 0 8 0 nchpl 144 9891 0 8161 66 0 66 66 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 32853 0 32853 2 0 2 2 0 8 2 vcpupl 2048 14 0 1 2 0 2 2 0 8 0 vmpool 664 19 0 6 2 0 2 2 0 8 0 kstatmem 264 114 0 88 2 0 2 2 0 8 0 scxspl 216 34134 0 34133 8 0 8 8 1 8 7 plimitpl 152 529 0 514 1 0 1 1 0 8 0 sigapl 424 3181 0 3114 8 0 8 8 0 8 0 futexpl 64 43466 0 43460 1 0 1 1 0 8 0 knotepl 120 29086 0 29003 11 0 11 11 0 8 8 kqueuepl 184 671 0 661 4 0 4 4 0 8 3 pipepl 288 499 0 470 3 0 3 3 0 8 0 fdescpl 432 3123 0 3096 4 0 4 4 0 8 0 filepl 120 18314 0 18061 13 0 13 13 0 8 4 lockfpl 104 758 0 756 1 0 1 1 0 8 0 lockfspl 48 316 0 314 1 0 1 1 0 8 0 sessionpl 144 45 0 29 1 0 1 1 0 8 0 pgrppl 48 106 0 90 1 0 1 1 0 8 0 ucredpl 104 3442 0 3431 1 0 1 1 0 8 0 zombiepl 144 3116 0 3114 1 0 1 1 0 8 0 processpl 1072 3181 0 3114 5 0 5 5 0 8 0 procpl 656 6251 0 6159 10 0 10 10 0 8 2 sosppl 168 80 0 73 1 0 1 1 0 8 0 sockpl 488 5050 0 4981 24 7 17 24 0 8 8 mcl64k 65536 149 0 149 1 0 1 1 0 8 1 mcl16k 16384 92 0 92 1 0 1 1 0 8 1 mcl12k 12288 108 0 108 1 0 1 1 0 8 1 mcl9k 9216 27 0 27 1 0 1 1 0 8 1 mcl8k 8192 205 0 205 1 0 1 1 0 8 1 mcl4k 4096 489 0 489 1 0 1 1 0 8 1 mcl2k2 2112 30 0 30 1 0 1 1 0 8 1 mcl2k 2048 40823 0 40777 39 25 14 31 0 8 6 mtagpl 96 234 0 172 2 0 2 2 0 8 0 mbufpl 256 109428 0 109165 155 128 27 72 0 8 8 bufpl 280 9755 0 3426 453 0 453 453 0 8 0 anonpl 24 495718 0 489682 111 0 111 111 0 188 50 amapchunkpl 152 85596 0 84904 38 0 38 38 0 158 8 amappl16 200 12316 0 12192 86 69 17 44 0 8 8 amappl15 192 39 0 39 1 0 1 1 0 8 1 amappl14 184 244 0 228 2 0 2 2 0 8 0 amappl13 176 11 0 11 1 0 1 1 0 8 1 amappl12 168 4076 0 4045 2 0 2 2 0 8 0 amappl11 160 52 0 41 1 0 1 1 0 8 0 amappl10 152 99 0 88 1 0 1 1 0 8 0 amappl9 144 153 0 152 1 0 1 1 0 8 0 amappl8 136 351 0 264 4 0 4 4 0 8 0 amappl7 128 56 0 41 1 0 1 1 0 8 0 amappl6 120 674 0 659 2 0 2 2 0 8 1 amappl5 112 297 0 285 1 0 1 1 0 8 0 amappl4 104 726 0 695 2 0 2 2 0 8 1 amappl3 96 17045 0 16959 3 0 3 3 0 8 0 amappl2 88 3756 0 3684 3 0 3 3 0 8 1 amappl1 80 20840 0 20352 22 4 18 22 0 8 7 amappl 88 25579 0 25365 6 0 6 6 0 92 0 dma4096 4096 1 0 1 1 0 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 0 1 1 0 8 1 dma128 128 253 0 253 1 0 1 1 0 8 1 dma64 64 6 0 6 1 0 1 1 0 8 1 dma32 32 7 0 7 1 0 1 1 0 8 1 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 118 0 14 2 0 2 2 0 8 0 uaddrrnd 24 3142 0 3102 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3142 0 3102 1 0 1 1 0 8 0 vmmpekpl 168 25141 0 25078 4 0 4 4 0 8 0 vmmpepl 168 210239 0 208304 118 0 118 118 0 357 22 vmsppl 344 3141 0 3102 4 0 4 4 0 8 0 rwobjpl 24 62142 0 54972 46 0 46 46 0 8 0 pdppl 4096 6290 0 6217 200 123 77 80 0 8 4 pvpl 32 1274968 0 1262858 358 12 346 358 0 265 216 pmappl 216 3141 0 3102 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 650 0 287 12 0 12 12 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