The patch titled
Subject: kernel/seccomp.c: remove unreachable code
has been added to the -mm tree. Its filename is
kernel-seccompc-remove-unreachable-code.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/kernel-seccompc-remove-unreachable-code.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/kernel-seccompc-remove-unreachable-code.patch
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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: kernel/seccomp.c: remove unreachable code
kernel/seccomp.c:1321 __secure_computing() warn: ignoring unreachable code.
do_exit() is __noreturn. And if it does return, we fall into the BUG(),
which seems very appropriate.
Link: https://lkml.kernel.org/r/622aa69f.XI8McBWG4GX/YDab%25lkp@xxxxxxxxx
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Will Drewry <wad@xxxxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/seccomp.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/kernel/seccomp.c~kernel-seccompc-remove-unreachable-code
+++ a/kernel/seccomp.c
@@ -1317,8 +1317,7 @@ int __secure_computing(const struct secc
/* Surviving SECCOMP_RET_KILL_* must be proactively impossible. */
case SECCOMP_MODE_DEAD:
WARN_ON_ONCE(1);
- do_exit(SIGKILL);
- return -1;
+ do_exit(SIGKILL); /* This is __noreturn */
default:
BUG();
}
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
memcg-sync-flush-only-if-periodic-flush-is-delayed-fix.patch
remove-bdi_congested-and-wb_congested-and-related-functions-fix.patch
mm.patch
documentation-vm-page_ownerrst-update-the-documentation-fix.patch
mm-list_lru-replace-linear-array-with-xarray-fix.patch
mm-hwpoison-inject-support-injecting-hwpoison-to-free-page-fix.patch
mm-export-pageheadhuge-fix.patch
userfaultfd-provide-unmasked-address-on-page-fault-v3-fix.patch
mm-mempolicy-convert-from-atomic_t-to-refcount_t-on-mempolicy-refcnt-fix.patch
mm-handle-uninitialized-numa-nodes-gracefully-fix.patch
mm-memory_hotplug-remove-obsolete-comment-of-__add_pages-fix.patch
proc-alloc-path_max-bytes-for-proc-pid-fd-symlinks-fix.patch
taskstats-remove-unneeded-dead-assignment-fix.patch
kernel-seccompc-remove-unreachable-code.patch
linux-next-rejects.patch
linux-next-git-rejects.patch
mm-oom_killc-fix-vm_oom_kill_table-ifdeffery.patch
kasan-improve-vmalloc-tests-fix-3-fix.patch
mm-slightly-clarify-ksm-logic-in-do_swap_page-fix.patch
mm-huge_memory-remove-stale-locking-logic-from-__split_huge_pmd-fix.patch
mutex-subsystem-synchro-test-module-fix.patch
kernel-forkc-export-kernel_thread-to-modules.patch
