strace breaks with to be released glibc 2.31

Dmitry V. Levin ldv at
Thu Jan 16 16:52:30 UTC 2020


On Wed, Jan 15, 2020 at 08:10:38PM +0000, Vineet Gupta wrote:
> Hi,
> I've been testing an in-works glibc port for ARC and with 2.31 there's a glibc
> change which seems to break strace.
> Commit d1e411e5c786ce3 "Add PTRACE_GET_SYSCALL_INFO from Linux 5.3 to sys/ptrace.h."
> This now defines PTRACE_GET_SYSCALL_INFO but defines struct __ptrace_syscall_info
> (not the non underscored ver) causing strace to trip.

You must've got a relatively rare environment with glibc-2.31 and Linux
kernel headers < 5.3.  I'm testing a fix.  Thanks,


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