Correct me if I've misread the code. It appears that for an address to be in a recently re-allocated block, it must be contained in a freed block as well as in an allocated block. How do I get Valgrind to tell me about the freed block, like it does with malloc/free?
Marshall On Thu, May 26, 2016 at 03:06:39AM -0700, John Reiser wrote: > > ... The error message only indicates that the address is in one > > of the memory pools. Valgrind states that the block is "recently > > re-allocated", a term which I don't understand and which doesn't seem to > > appear in any of the documentation. > > > ==4888== Address 0x5c31230 is 4,368 bytes inside a recently re-allocated > > block of size 65,536 alloc'd > > One advantage of open source is that users can inspect the source code. > ===== > $ grep -sr 'recently re-allocated' . > ... > ./memcheck/mc_errors.c: We however detect and report that this is a > recently re-allocated > ./memcheck/mc_errors.c: ai->Addr.Block.block_desc = "recently > re-allocated block"; > ... > ===== > Then edit memcheck/mc_errors.c to read the comments and the code. > Doing so helped me understand the message. > > > ------------------------------------------------------------------------------ > Mobile security can be enabling, not merely restricting. Employees who > bring their own devices (BYOD) to work are irked by the imposition of MDM > restrictions. Mobile Device Manager Plus allows you to control only the > apps on BYO-devices by containerizing them, leaving personal data untouched! > https://ad.doubleclick.net/ddm/clk/304595813;131938128;j > _______________________________________________ > Valgrind-users mailing list > Valgrind-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/valgrind-users ------------------------------------------------------------------------------ Mobile security can be enabling, not merely restricting. Employees who bring their own devices (BYOD) to work are irked by the imposition of MDM restrictions. Mobile Device Manager Plus allows you to control only the apps on BYO-devices by containerizing them, leaving personal data untouched! https://ad.doubleclick.net/ddm/clk/304595813;131938128;j _______________________________________________ Valgrind-users mailing list Valgrind-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/valgrind-users
