From 4cbead658138d378a236d9e7da86d79693c5986b Mon Sep 17 00:00:00 2001
From: Jonas Gunz <himself@jonasgunz.de>
Date: Wed, 10 Apr 2019 20:40:13 +0200
Subject: Added megumin.diff.

Can be apllied to the linux kernel to add a Megumin to panic message.
---
 megumin.diff | 87 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 megumin.diff

diff --git a/megumin.diff b/megumin.diff
new file mode 100644
index 0000000..1934f37
--- /dev/null
+++ b/megumin.diff
@@ -0,0 +1,87 @@
+diff --git a/kernel/panic.c b/kernel/panic.c
+index 0ae0d7332f12..0a8ad8757ab6 100644
+--- a/kernel/panic.c
++++ b/kernel/panic.c
+@@ -8,6 +8,7 @@
+  * This function is used through-out the kernel (including mm and fs)
+  * to indicate a major problem.
+  */
++
+ #include <linux/debug_locks.h>
+ #include <linux/sched/debug.h>
+ #include <linux/interrupt.h>
+@@ -167,6 +168,58 @@ void panic(const char *fmt, ...)
+ 	int old_cpu, this_cpu;
+ 	bool _crash_kexec_post_notifiers = crash_kexec_post_notifiers;
+ 
++	const char* megumin[] = {
++	"                                                                     #=&&%%%%%%%%%%%%%%%%%%%%%%%%%%%&$                                ",
++	"                                                                   $&???????????%%%%%%%%%%%%%%%%%%%%%&                                ",
++	"                                                                 &%///???????????????????%%%%???????%%$                               ",
++	"                                                              $%////////////??????????????????????????&                               ",
++	"                                                            $%!!!!!!!!!!!!!////????????????????//////??$                              ",
++	"                                                          $?<!!<!!!!!!!!!!!!!/////////????///!/////////%                              ",
++	"                                                        $?<!/?/!<<<<!!!!!!!!!//////????/////!<!!!!!!!!!/$                             ",
++	"                                                      $%!/?%%/??!;<<<<<<<<<!!!!!!!?%%%%%?///!!<<!!!<<<<<%                             ",
++	"                                                     &<!%%?////?<:;;;;;;;;<<<<<<;!?%%%?%%%/!!?:*:<<<<<<<<$                            ",
++	"                                                   =<:!/???!!!/<;***:::::;;;;;;;*!/??????&??!!;~-~:;;;;;;?                            ",
++	"                                                  %*\"</!<<!??!;;\"\"\"\"\"*****::::::\"<!???%%??&//<$&!;,<**::::$                           ",
++	"                                                 !~~*!<<<<<<;;;~-~~~~\"\"~~\"\"***::~-<!%??////?!<=  $.-;~\"***/                           ",
++	"                                               $<-:;;<<<<!;<<\",,,``--,,`-~~\"****~``!!/////!?/<%     $!\"~~\"*=                          ",
++	"                                              $;</\"-~*:!=.-\"~.`&*$~/!;,`-~\"\"\"\"\"\"\",.~?!<//!!!?;%       $%;~~<                          ",
++	"                                             $?&\"`-``,-\"&&&%%%&%???%/*~\"\"-----~~~`.;*-*;!<<!!*?          $/*&                         ",
++	"                                            #;`,-~\"\":;&$ =&.~~~~~``,<///?%%?!;:~-`,/?.!~.-~~\"\";*$          $&&=#                      ",
++	"                                            <,-~*;?%%%%%%/<!/%%%%%%!?!%%%%%/!/!/!;;<:!:; ,,-~\"\"<~$          &&%%&$                    ",
++	"                                          $$=!//<?!/%%%?<!%%!!%%%?<?%%!?%?<?%%<%%&%%/<</?<*\"~~~:~           $%%%&%&                   ",
++	"                                         $%%%%?<?%%/<??;/%%%%!<??:!/%/!;<;!/?%/!%%?!!?%!%&%?!;*~,\"&          %%%$=%?$                 ",
++	"                                        $!?%%/<%%?&=$= ,`\":!! :~,`,,.,.,,`-\"~\"<:/!/?%%%?!%%&%//<*~*$         $%%&$$&&$                ",
++	"                                       $%%!%==.`-\":;;<!!/?%%&&%%<?<*\",  ?<~~;<;:\"`,`~*:<;??!/%&/!?<%          $&%=$$$=                ",
++	"                                    $$  .,`,.  =&&&&&&&&=   $$$$    `-~\"::*!<!////!:~` =%/;*\":!?<&%!$           &%$$$$=               ",
++	"                                $ .```. = ,-~~-``,,,.....,``,,.,.``,.,.,``,`,,.    .,--~*:;<<;\"-`. &%$           $=$$$=               ",
++	"                           $ .`,`.  .,`~\"\";;::::***~~\"\"\"\"\"\"~~~- --~~~~~~~\"\"\"\"\"\"*~***~~-``.....,~:!/%~*!&$           $$$$              ",
++	"                       $ .,,.  .,`\"******:;:*:**\"*\"`\"\"\"~~~~~~~-  `-~~~~~~~~~~~~\"~~\"****:\"-,  &!; && :~~~\";/&$                         ",
++	"                  # .,..  ,`-\"*:;;;;;::*\";:*:**\"\"\"-$~~~~~~-----.& ,`----~~~~~~\"\":\"<!?<!-\",``---~\" ;\"*., %!:\"\";/=$                     ",
++	"               $ ,,. .`\";:``/??/!!<;;::**:*\"**\"\"\"\"`&-~~~~-````-,%%  ,`-~\"*::;<!!<!<?%?%.~,,``--~~\"\"\"\"&***:*-.$??...$                  ",
++	"               .-~:;:- ?:`,`:%??/!<<;:**:**\"**~\"\"~.&`-----`,,,,,%&=.= \":;<<<<<;<;!:/?/%&<\".,``--~\"\"\"\"*~***::::;:\"-,.   $              ",
++	"         $$ `\":<:`$?*\"\"~--`,$%%?/!<;::***\"*\"*\"~~~-.&  ,```````--$$$$ $=.~*:;;<<;<::!/!?%;<*.,-?-~~****`:*:::::;;;;;;:~`, ==$          ",
++	"     $  ,~::*, /;;;:**\"~~-`,&??/!!<;::\"*\"\"\"\"\"~~~~`,&=.=``~~\"~~-~&$$$$   = ~*:;;;;*;:!</?;-/~,\"<--~~:;:%!:::::;;;;;;;;;<<<;~,.$$$      ",
++	"  $=`:;;;` %!!<<;;;:**\"~~-,`<%?/!!<;:*\"\"\"\"\"\"\"~~--`.&&,= -`~~~~--$$$$   $$$& `\":;;*:*<;!//~:!\"\"<`-~~/:*!*.:::;;;;;<<<<<<!!!!//;`?/%$   ",
++	" $?;\"&=?!/!!!!<<<;;:**\"~~-,-&%?/!!<;:\"\"\"~~~~~~---`,%$ . , ,`~--`= $$$$$        .~*\"\";:<!!/?%!?!``-~!.**<~-<<!!;*~`,. $&&?%!*~~~\"\"\":&  ",
++	"   $&&%?/!!!!!<<<;;:*\"\"~-`,~:%?/!<;:**\"~~~~~~*::- -%$$  $.$..```$$$$$$ &&  ...    -\":*;<!!/?%/<,`-~!/?*<? ?;*~\"\"***::;<<!!//?%&&=$    ",
++	"        #$$==&&%?/!<;:**\"~`/**;<!;;**\"~~~~;;:;:*~.$ $&&   .$  ===$$$$$&?$ -\"~~: $$,~*\":;<!!!?%,.,`-?;:*<;&?/?%&&==$$$                 ",
++	"                   $$=&&%%/!<\"~`,/<?/!<;:*<:;***-.$ <;$    $$$$$$$$$$$$$$ \";`.: $$`-~\"::;<!!??//,`-$</&:  $                           ",
++	"                              $$==$ ,----~:*:*\"\"-`  $= ,```.$$$$$$$$$$$$$$ .,  $$ - ~**::;<</?!!`,`$</:<   $                          ",
++	"                                          `~*\"-~~`, $$$.~`.` $$$$$$$$$$$$$$$$=&=$.=.~\"**:;;*!/<% .-&</?\"                              ",
++	"                                           --~`---,, #$$$   $$$$$$$$$$$$$$$$$&%&= %,~\"\"**::~!!;%?*!~<\"<.  $                           ",
++	"                                           ,```,-`,, =$$$=$$$$$$$$$$$$$$$$$$$$$$ % `~~\"\"***~;!:/%.<`<..$  =$                          ",
++	"                                            ,,,,,``,. ==//&$$$$$$$$ .`\"\",$$$$$$$$%.-~~\"\"**~-\"<:;%!`\"<$    =                           ",
++	"                                              ,,.,,,..$$$$$$$$$$ `\"::::;; $$$$$$$$.-~~~\"\"~-~~*;*?&-*~$$  $$                           ",
++	"                                               ....    $&$$$$$$$$ ~***~`.$$$$$$$#$`--~~\"--\"~~-*~<&!!.   $$$                           ",
++	"                                                         $$$$$$$$$$$$$$$$$$$$#    `--~~`~*:~~.`\"`*!%     $                            ",
++	"                                                            $$$$$$$$$$$$$$$$$     `--``~\"*::\",  .  .$                                 ",
++	"                                                                   $$$$$$         ,-, `*\"*:;;~     $                                  ",
++	"                                                                       #           `  -:**:;<<                                        ",
++	"                                                                                      -:;;<<!!-                                       "};
++
++	unsigned int megucnt;
++	
++
+ 	/*
+ 	 * Disable local interrupts. This will prevent panic_smp_self_stop
+ 	 * from deadlocking the first cpu that invokes the panic, since
+@@ -205,7 +258,14 @@ void panic(const char *fmt, ...)
+ 	if (len && buf[len - 1] == '\n')
+ 		buf[len - 1] = '\0';
+ 
+-	pr_emerg("Kernel panic - not syncing: %s\n", buf);
++	pr_emerg("MegunPanic!\n(∩ಠ益[+])⊃━☆ﾟExplosion!\nKernel panic - not syncing: %s\n",  buf);
++
++
++	for(megucnt = 0; megucnt < sizeof(megumin) / sizeof(char*); megucnt++)
++	{
++		pr_emerg("%s\n", megumin[megucnt]);
++	}
++
+ #ifdef CONFIG_DEBUG_BUGVERBOSE
+ 	/*
+ 	 * Avoid nested stack-dumping if a panic occurs during oops processing
-- 
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