4d16a64 "introduce PT_SYSCALL_TRACE flag" breaks PTRACE_SYSEMU which doesn't set PT_SYSCALL_TRACE. Change ptrace_report_syscall() to check TIF_SYSCALL_EMU as well. This can't conflict with utrace, this flag can only be set by ptrace. Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx> --- include/linux/tracehook.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h index b6812d4..90ca578 100644 --- a/include/linux/tracehook.h +++ b/include/linux/tracehook.h @@ -59,7 +59,7 @@ static inline void ptrace_report_syscall(struct pt_regs *regs) { int ptrace = current->ptrace; - if (!(ptrace & PT_SYSCALL_TRACE)) + if (!(ptrace & PT_SYSCALL_TRACE) && !test_thread_flag(TIF_SYSCALL_EMU)) return; ptrace_notify(SIGTRAP | ((ptrace & PT_TRACESYSGOOD) ? 0x80 : 0)); -- 1.5.5.1 _______________________________________________ kernel mailing list kernel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/kernel