Re: [PATCH] ptp: guard ptp_clock_gettime() if neither gettimex64 nor

[Richard Cochran]

On Tue, Oct 28, 2025 at 05:51:43PM +0800, Junjie Cao wrote:
> Syzbot reports a NULL function pointer call on arm64 when
> ptp_clock_gettime() falls back to ->gettime64() and the driver provides
> neither ->gettimex64() nor ->gettime64(). This leads to a crash in the
> posix clock gettime path.

Drivers must provide a gettime method.

If they do not, then that is a bug in the driver.

Thanks,
Richard