[PATCH v2 0/2] ARM: ptrace: Restore syscall skipping and restart while tracing

Kees Cook
2023-08-10T19:54:29Z

Hi,

Fix tracing on arm since commit 4e57a4ddf6b0 ("ARM: 9107/1: syscall:
always store thread_info->abi_syscall"). This was seen with the broken
seccomp tests "syscall_errno", "syscall_faked", and "syscall_restart".

Thanks!

-Kees

v2:
- split fixes
- move scno store into the actual restart path
v1: https://lore.kernel.org/lkml/20230804071045.never.134-kees@kernel.org

Kees Cook (2):
ARM: ptrace: Restore syscall restart tracing
ARM: ptrace: Restore syscall skipping for tracers

arch/arm/include/asm/syscall.h | 3 +++
arch/arm/kernel/entry-common.S | 1 +
arch/arm/kernel/ptrace.c | 5 +++--
3 files changed, 7 insertions(+), 2 deletions(-)

--
2.34.1