Reorganize Travis stuff; add hook to re-generate demo.pwntools.com #708
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Apr 25, 2021
* Fix inaccuracies in vis_heap_chunks() Correct boundary calculation of chunks adjacent to a top chunk and use a list of boundary addresses to do so, rather than a dictionary of every quadword in each printed chunk. Ensure that at least 1 chunk is printed even when a non-sensical value of 0 is passed as the count argument. * Avoid out-of-bounds read in vis_heap_chunks() While processing a corrupt heap or using the --naive option, the vis_heap_chunks command could read out-of-bounds. Add a check to avoid this scenario. * Use chunk_flags instead of constants To find out whether a chunk's prev_inuse bit is set, use chunk_flags() rather than anding with constants.ptmalloc.PREV_INUSE. Co-Authored-By: Paweł Płatek <e2.8a.95@gmail.com> * Use main_heap.size_sz Use main_heap.size_sz in place of pwndbg.arch.ptrsize. Co-Authored-By: Paweł Płatek <e2.8a.95@gmail.com> * Replace a magic number with ptr_size Co-Authored-By: Paweł Płatek <e2.8a.95@gmail.com> * Calculate color_func variable in 1 line Co-Authored-By: Paweł Płatek <e2.8a.95@gmail.com> * Fix crash in get_heap_boundaries() Don't assume that because an address was supplied to get_heap_boundaries() that it resides on a legitimate heap. Sometimes a user may want to print fake chunks elsewhere in memory. Co-authored-by: Paweł Płatek <e2.8a.95@gmail.com>
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