linux/tools/testing/selftests/seccomp, branch v5.9

Merge tag 'sh-for-5.9' of git://git.libc.org/linux-sh

2020-08-16T01:50:32Z

Pull arch/sh updates from Rich Felker: "Cleanup, SECCOMP_FILTER support, message printing fixes, and other changes to arch/sh" * tag 'sh-for-5.9' of git://git.libc.org/linux-sh: (34 commits) sh: landisk: Add missing initialization of sh_io_port_base sh: bring syscall_set_return_value in line with other architectures sh: Add SECCOMP_FILTER sh: Rearrange blocks in entry-common.S sh: switch to copy_thread_tls() sh: use the generic dma coherent remap allocator sh: don't allow non-coherent DMA for NOMMU dma-mapping: consolidate the NO_DMA definition in kernel/dma/Kconfig sh: unexport register_trapped_io and match_trapped_io_handler sh: don't include in sh: move the ioremap implementation out of line sh: move ioremap_fixed details out of sh: remove __KERNEL__ ifdefs from non-UAPI headers sh: sort the selects for SUPERH alphabetically sh: remove -Werror from Makefiles sh: Replace HTTP links with HTTPS ones arch/sh/configs: remove obsolete CONFIG_SOC_CAMERA* sh: stacktrace: Remove stacktrace_ops.stack() sh: machvec: Modernize printing of kernel messages sh: pci: Modernize printing of kernel messages ...

sh: Add SECCOMP_FILTER

2020-08-15T02:05:19Z

Port sh to use the new SECCOMP_FILTER code. Signed-off-by: Michael Karcher Tested-by: John Paul Adrian Glaubitz Signed-off-by: Rich Felker

Merge tag 'csky-for-linus-5.9-rc1' of https://github.com/c-sky/csky-linux

2020-08-06T17:15:28Z

Pull arch/csky updates from Guo Ren: "New features: - seccomp-filter - err-injection - top-down&random mmap-layout - irq_work - show_ipi - context-tracking Fixes & Optimizations: - kprobe_on_ftrace - optimize panic print" * tag 'csky-for-linus-5.9-rc1' of https://github.com/c-sky/csky-linux: csky: Add context tracking support csky: Add arch_show_interrupts for IPI interrupts csky: Add irq_work support csky: Fixup warning by EXPORT_SYMBOL(kmap) csky: Set CONFIG_NR_CPU 4 as default csky: Use top-down mmap layout csky: Optimize the trap processing flow csky: Add support for function error injection csky: Fixup kprobes handler couldn't change pc csky: Fixup duplicated restore sp in RESTORE_REGS_FTRACE csky: Add cpu feature register hint for smp csky: Add SECCOMP_FILTER supported csky: remove unusued thread_saved_pc and *_segments functions/macros

Merge tag 'xtensa-20200805' of git://github.com/jcmvbkbc/linux-xtensa

2020-08-06T17:07:40Z

Pull Xtensa updates from Max Filippov: - add syscall audit support - add seccomp filter support - clean up make rules under arch/xtensa/boot - fix state management for exclusive access opcodes - fix build with PMU enabled * tag 'xtensa-20200805' of git://github.com/jcmvbkbc/linux-xtensa: xtensa: add missing exclusive access state management xtensa: fix xtensa_pmu_setup prototype xtensa: add boot subdirectories build artifacts to 'targets' xtensa: add uImage and xipImage to targets xtensa: move vmlinux.bin[.gz] to boot subdirectory xtensa: initialize_mmu.h: fix a duplicated word selftests/seccomp: add xtensa support xtensa: add seccomp support xtensa: expose syscall through user_pt_regs xtensa: add audit support

Merge tag 'seccomp-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

2020-08-04T21:11:08Z

Pull seccomp updates from Kees Cook: "There are a bunch of clean ups and selftest improvements along with two major updates to the SECCOMP_RET_USER_NOTIF filter return: EPOLLHUP support to more easily detect the death of a monitored process, and being able to inject fds when intercepting syscalls that expect an fd-opening side-effect (needed by both container folks and Chrome). The latter continued the refactoring of __scm_install_fd() started by Christoph, and in the process found and fixed a handful of bugs in various callers. - Improved selftest coverage, timeouts, and reporting - Add EPOLLHUP support for SECCOMP_RET_USER_NOTIF (Christian Brauner) - Refactor __scm_install_fd() into __receive_fd() and fix buggy callers - Introduce 'addfd' command for SECCOMP_RET_USER_NOTIF (Sargun Dhillon)" * tag 'seccomp-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (30 commits) selftests/seccomp: Test SECCOMP_IOCTL_NOTIF_ADDFD seccomp: Introduce addfd ioctl to seccomp user notifier fs: Expand __receive_fd() to accept existing fd pidfd: Replace open-coded receive_fd() fs: Add receive_fd() wrapper for __receive_fd() fs: Move __scm_install_fd() to __receive_fd() net/scm: Regularize compat handling of scm_detach_fds() pidfd: Add missing sock updates for pidfd_getfd() net/compat: Add missing sock updates for SCM_RIGHTS selftests/seccomp: Check ENOSYS under tracing selftests/seccomp: Refactor to use fixture variants selftests/harness: Clean up kern-doc for fixtures seccomp: Use -1 marker for end of mode 1 syscall list seccomp: Fix ioctl number for SECCOMP_IOCTL_NOTIF_ID_VALID selftests/seccomp: Rename user_trap_syscall() to user_notif_syscall() selftests/seccomp: Make kcmp() less required seccomp: Use pr_fmt selftests/seccomp: Improve calibration loop selftests/seccomp: use 90s as timeout selftests/seccomp: Expand benchmark to per-filter measurements ...

csky: Add SECCOMP_FILTER supported

2020-07-31T01:51:05Z

secure_computing() is called first in syscall_trace_enter() so that a system call will be aborted quickly without doing succeeding syscall tracing if seccomp rules want to deny that system call. TODO: - Update https://github.com/seccomp/libseccomp csky support Signed-off-by: Guo Ren Cc: Arnd Bergmann

selftests/seccomp: add xtensa support

2020-07-28T07:57:06Z

Xtensa syscall number can be obtained and changed through the struct user_pt_regs. Syscall return value register is fixed relatively to the current register window in the user_pt_regs, so it needs a bit of special treatment. Signed-off-by: Max Filippov

selftests/seccomp: Test SECCOMP_IOCTL_NOTIF_ADDFD

2020-07-14T23:30:22Z

Test whether we can add file descriptors in response to notifications. This injects the file descriptors via notifications, and then uses kcmp to determine whether or not it has been successful. It also includes some basic sanity checking for arguments. Signed-off-by: Sargun Dhillon Cc: Al Viro Cc: Chris Palmer Cc: Christian Brauner Cc: Jann Horn Cc: Kees Cook Cc: Robert Sesek Cc: Tycho Andersen Cc: Matt Denton Cc: linux-fsdevel@vger.kernel.org Cc: linux-kernel@vger.kernel.org Link: https://lore.kernel.org/r/20200603011044.7972-5-sargun@sargun.me Co-developed-by: Kees Cook Signed-off-by: Kees Cook

selftests/seccomp: Check ENOSYS under tracing

2020-07-10T23:01:52Z

There should be no difference between -1 and other negative syscalls while tracing. Cc: Keno Fischer Tested-by: Will Deacon Signed-off-by: Kees Cook

selftests/seccomp: Refactor to use fixture variants

2020-07-10T23:01:52Z

Now that the selftest harness has variants, use them to eliminate a bunch of copy/paste duplication. Reviewed-by: Jakub Kicinski Tested-by: Will Deacon Signed-off-by: Kees Cook