On 12/12/2025 05:00, Jinjie Ruan wrote: > On 2025/12/9 21:46, Kevin Brodsky wrote: >> On 04/12/2025 09:21, Jinjie Ruan wrote: >>> The generic entry abort the syscall_trace_enter() sequence if >>> ptrace_report_syscall_entry() errors out, but arm64 not. >>> >>> As the ptrace_report_syscall_entry() comment said, the calling arch code >>> should abort the system call and must prevent normal entry so no system >>> call is made if ptrace_report_syscall_entry() return nonzero. >> This patch is now in the right position, which means that arm64 does >> abort the syscall already without this patch. What we're changing here >> is that the tracing sequence is interrupted. The comment you're >> referring to says nothing about tracing so I'm not sure it helps to >> refer to it. > I think “must prevent normal entry ”means When ptrace requests > interception, all subsequent processing, including audit and seccomp, > should completely bypassed.
Fair enough, let's just make sure the commit message doesn't imply that arm64 performs a syscall before this patch. - Kevin
