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authorLinus Torvalds <torvalds@linux-foundation.org>2026-02-10 08:54:13 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2026-02-10 08:54:13 -0800
commit85f24b0ace9aa79142f632fc3ccc730a8d2a4a28 (patch)
tree29cd3fd0b191f3de84af9f5700823cc135f0b824 /include/uapi/linux
parentbffce9b427b37e2f54416a695ec5d7f030ba610f (diff)
parent44dd7cfbd1db5199cf7afe03158a578a64b55800 (diff)
Merge tag 'hardening-v7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardening updates from Kees Cook: "Mostly small cleanups and various scattered annotations and flex array warning fixes that we reviewed by unlanded in other trees. Introduces new annotation for expanding counted_by to pointer members, now that compiler behavior between GCC and Clang has been normalized. - Various missed __counted_by annotations (Thorsten Blum) - Various missed -Wflex-array-member-not-at-end fixes (Gustavo A. R. Silva) - Avoid leftover tempfiles for interrupted compile-time FORTIFY tests (Nicolas Schier) - Remove non-existant CONFIG_UBSAN_REPORT_FULL from docs (Stefan Wiehler) - fortify: Use C arithmetic not FIELD_xxx() in FORTIFY_REASON defines (David Laight) - Add __counted_by_ptr attribute, tests, and first user (Bill Wendling, Kees Cook) - Update MAINTAINERS file to make hardening section not include pstore" * tag 'hardening-v7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: MAINTAINERS: pstore: Remove L: entry nfp: tls: Avoid -Wflex-array-member-not-at-end warnings carl9170: Avoid -Wflex-array-member-not-at-end warning coredump: Use __counted_by_ptr for struct core_name::corename lkdtm/bugs: Add __counted_by_ptr() test PTR_BOUNDS compiler_types.h: Attributes: Add __counted_by_ptr macro fortify: Cleanup temp file also on non-successful exit fortify: Rename temporary file to match ignore pattern fortify: Use C arithmetic not FIELD_xxx() in FORTIFY_REASON defines ecryptfs: Annotate struct ecryptfs_message with __counted_by fs/xattr: Annotate struct simple_xattr with __counted_by crypto: af_alg - Annotate struct af_alg_iv with __counted_by Kconfig.ubsan: Remove CONFIG_UBSAN_REPORT_FULL from documentation drm/nouveau: fifo: Avoid -Wflex-array-member-not-at-end warning
Diffstat (limited to 'include/uapi/linux')
-rw-r--r--include/uapi/linux/if_alg.h2
-rw-r--r--include/uapi/linux/stddef.h4
2 files changed, 5 insertions, 1 deletions
diff --git a/include/uapi/linux/if_alg.h b/include/uapi/linux/if_alg.h
index b35871cbeed7..4f51e198ac2e 100644
--- a/include/uapi/linux/if_alg.h
+++ b/include/uapi/linux/if_alg.h
@@ -42,7 +42,7 @@ struct sockaddr_alg_new {
struct af_alg_iv {
__u32 ivlen;
- __u8 iv[];
+ __u8 iv[] __counted_by(ivlen);
};
/* Socket options */
diff --git a/include/uapi/linux/stddef.h b/include/uapi/linux/stddef.h
index 9a28f7d9a334..111b097ec00b 100644
--- a/include/uapi/linux/stddef.h
+++ b/include/uapi/linux/stddef.h
@@ -72,6 +72,10 @@
#define __counted_by_be(m)
#endif
+#ifndef __counted_by_ptr
+#define __counted_by_ptr(m)
+#endif
+
#ifdef __KERNEL__
#define __kernel_nonstring __nonstring
#else