x &main_arena
x/100x &main_arena
print main_arena
fastbins
q
fastbins
fastbins
c
exit
quit
quit
fastbins
print main_arena
q
print main_arena
q
vis_heap_chunks 
print main_arena
db main_arena
db &main_arena
db &main_arena/100
db &main_arena 100
db &main_arena 1000
x main_arena.top
x &main_arena.top
db &main_arena 100
c
fastbins
print main_arena
x main_arena.fasbinsY
x &main_arena.fastbinsY
quit
fastbins
x 0x7f0946700b70
db 0x7f0946700b70 100
q
fastbins
q
fastbins
q
fastbinsx
db &main_arena 100
q
db 0x7f2e5c845b60
0x7f2e5c845b70 + 16
x 0x7f2e5c845b70 + 16
x 0x7f2e5c845b70
x 0x7f2e5c845b70
x 0x7f2e5c845b60
vis_heap_chunks 
db 0x7f0ba6e3db70
db 0x555bdeaca000 100
db 0x7f0ba6e3db70
db 0x7f0ba6e3db70 - 8
db 0x7f0ba6e3db70-8
db 0x7f0ba6e3db70-7
q
x 0x7fcf882cbb69
db 0x7fcf882cbb69
q
vis_heap_chunks 
print main_arena
q
print main_arena
vis_heap_chunks 
q
print main_arena 
q
print main_arena 
fastbins
r
q
r
c
fastbisn
vis_heap_chunks 
fastbins
quit
fastbins
print main_arena 
c
print main_arena 
q
print main_arena 
print main_arena 
x malloc_free_hook
x __free_hook
x &__free_hook
x &__free_hook 100
db &__free_hook 100
q
q
q
q
print main_arena 
db 0x7f4858584e10
c
print victim
q
fastbins
c
x idx
x chunksize(p)
x chunksize
x p
fastbins
q
x __free_hook 
x &__free_hook 100
db &__free_hook 100
db &__free_hook - 100
db &__free_hook-100
db &__free_hook-100 100
print main_arena 
x 0x7fca0f75fe10
x/100 0x7fca0f75fe10
x/100 0x7fca0f75fe10-100
c
q
break malloc
c
fastbins
x __free_hook 
fastins
fastbins
print main_arena 
x 0x7f072b59ee10
break malloc
break free
continue
c
c
c
print main_arena
vis_heap_chunks 
vis_heap_chunks 
c
vis_heap_chunks 
break free
break malloc
c
print main_arena
x &__free_hook - 16
q
print main_arena
vis_heap_chunks 
c
c
c
q
db __malloc_hook
db &__malloc_hook
x __malloc_hook
x &__malloc_hook
c
break sysmalloc
c
frame 2
context
c
break main
c
q
x &__malloc_hook
print __malloc_hook
print &__malloc_hook
print __main_arena
print main_arena
print main_arena 
x __malloc_hook
x &__malloc_hook
db &__malloc_hook
db &__malloc_hook-100 100
db &__malloc_hook-100 100*8
db &__malloc_hook-100 (100*8)+1
fastbins
c
print main_arena
x __malloc_hook
x &__malloc_hook
db &__malloc_hook-100 (100*8)+1
c
db &__malloc_hook-100 (100*8)+1
print main_arena
x 0x7f5b07a18b40
break malloc
c
c
c
q
break __libc_malloc 
break malloc
break __malloc_hook
b __malloc_hook 
b &__malloc_hook 
b *__malloc_hook 
b *&__malloc_hook 
c
delete 3
c
pwndbg heap
vis_heap_chunks 
print __mallinfo
x __mallinfo
print  &__mallinfo
print  *__mallinfo
print  __mallinfo
print &__mallinfo
print main_arena
c
break malloc
c
x main_arena.top_check
x main_arena.top_chunk
print main_arena
x 0x7f4854db6b40
x 0x7f4854db6b40
x 0x7f4854db6b40
c
x 0x7f4854db6b40
fastbins
c
x 0x7f4854db6b40
c
x 0x7f4854db6b40
x main_arena
x &main_arena
x &__malloc_hook
x main_arena.top
db main_arena.top
c
c
c
q
print __malloc_hook
print __malloc_hook 
fastbins
c
fastbins
c
vis_heap_chunks 
c
fastbins
r
c
fastbins
print main_arena
vis_heap
c
fastbins
fastbins
c
fastbins
r
c
 quit