Hi Geert! On 8/26/20 2:32 PM, Geert Uytterhoeven wrote:
#include <linux/uaccess.h> #include <asm/page.h> @@ -277,6 +278,9 @@ asmlinkage int syscall_trace_enter(void) if (test_thread_flag(TIF_SYSCALL_TRACE)) ret = tracehook_report_syscall_entry(task_pt_regs(current)); + + secure_computing_strict(task_pt_regs(current)->orig_d0); +
That part is outdated. It was removed in the second commit I posted, see:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/arch/sh?id=0bb605c2c7f2b4b314b91510810b226de7f34fa1
Do you have the check of the return value already in syscall_trace_entry? It should check for "-1" and jump to syscall_exit if true. Adrian -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer - glaubitz@xxxxxxxxxx `. `' Freie Universitaet Berlin - glaubitz@xxxxxxxxxxxxxxxxxxx `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
