Hello, Sergey Bugaev, le dim. 19 mars 2023 18:09:43 +0300, a ecrit: > As for sigreturn specifically: I'm concerned about the possibility that > putting the register dump onto the user's stack (or at %rsp - 128, on x86_64) > may clobber the data trampoline.c puts there (unless an altstack is used), > including the very sigcontext.
I guess we could make sure that the offset of ctx in stackframe is not hit by data written by sigreturn.c. Samuel
