On Mon, Dec 03, 2018 at 06:18:23AM +0300, Dmitry V. Levin wrote: > From: Elvira Khabirova <[email protected]> > > Arch code should use tracehook_*() helpers, as documented > in include/linux/tracehook.h, > ptrace_report_syscall() is not expected to be used outside that file. > > Co-authored-by: Dmitry V. Levin <[email protected]> > Fixes: 5521eb4bca2d ("powerpc/ptrace: Add support for PTRACE_SYSEMU") > Signed-off-by: Elvira Khabirova <[email protected]> > Signed-off-by: Dmitry V. Levin <[email protected]> > --- > v4: rewritten to call tracehook_report_syscall_entry() once, compile-tested > v3: add a descriptive comment > v2: explicitly ignore tracehook_report_syscall_entry() return code > > arch/powerpc/kernel/ptrace.c | 54 +++++++++++++++++++++++------------- > 1 file changed, 35 insertions(+), 19 deletions(-)
Sorry, this patch does not work, please ignore it.
However, the bug blocks PTRACE_GET_SYSCALL_INFO, so please fix it.
I'm going to use
if (tracehook_report_syscall_entry(regs))
return -1;
return -1;
in the series until you have a better fix.
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