On Tue, Sep 30, 2025, 12:33 PM Harald Anlauf <[email protected]> wrote:
> Dear All, > > the attached patch fixes the problem that UBSAN did generate a check > of the passed stride of an optional array dummy argument even in the > case the actual was not present, as seen by the reporter when compiling > with -O0. Wrapping the setup of the descriptor by a test of presence > of the argument eliminates this path. > > Regarding the testcase, as I could not find a simple failing > reproducer, I chose to verify the new test in the tree-dump > and the reduced UBSAN count in the optimized dump. > > Regtested on x86_64-pc-linux-gnu. OK for mainline? > > Thanks, > Harald > Yes, thanks Harald. OK Jerry >
