malloc

Is there a security oriented memory allocator for FreeBSD like GrapheneOS/Linux's Hardened_malloc library https://github.com/GrapheneOS/hardened_malloc or OpenBSD's Otto-malloc https://man.openbsd.org/malloc.3 where you can enable additional checks? I'd like to do additional hardening on some of...

Hi, I am currently developing a driver, which uses quite large (2M+) contiguous memory chunks allocations via contigmalloc. I have noticed that contigmalloc as well as contigfree take a lot of time when dealing with large memory chunks and also a rather significant difference in number of...

###Here is the errors I am getting. Below the error is the code I wrote, any help would be incredibly appreciated.!! Thanks! Can someone explained by I am getting implicit warning for malloc and Malloc_Define, I included the header files. I also would like to know how to fix the errors ...

From malloc(9): IMPLEMENTATION NOTES The memory allocator allocates memory in chunks that have size a power of two for requests up to the size of a page of memory. For larger requests, one or more pages is allocated. While it should not be relied upon, this information may...

While investigating about a freeze when loading pf, 209475, Olivier has suspected the hash table allocation to be responsible of the loading freeze. Reading the code, I noticed that the allocation process within pf_initialize() function sets the M_WAITOK flag. This way, the intialisation...