diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-04-13 17:52:29 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-04-13 17:52:29 -0700 |
| commit | d568788baab24875604c231f723dbb72387fb081 (patch) | |
| tree | 0921e372d643541c59751e1af47b20fc1b702204 /arch/arm64/kernel | |
| parent | cea4a90faf9e5d15aee1fd01883bc81ad7640260 (diff) | |
| parent | cf2f06f7152d5e38a87aa2e9b8b452714789f6ba (diff) | |
Merge tag 'hardening-v7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardening updates from Kees Cook:
- randomize_kstack: Improve implementation across arches (Ryan Roberts)
- lkdtm/fortify: Drop unneeded FORTIFY_STR_OBJECT test
- refcount: Remove unused __signed_wrap function annotations
* tag 'hardening-v7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
lkdtm/fortify: Drop unneeded FORTIFY_STR_OBJECT test
refcount: Remove unused __signed_wrap function annotations
randomize_kstack: Unify random source across arches
randomize_kstack: Maintain kstack_offset per task
Diffstat (limited to 'arch/arm64/kernel')
| -rw-r--r-- | arch/arm64/kernel/syscall.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/arch/arm64/kernel/syscall.c b/arch/arm64/kernel/syscall.c index c062badd1a56..358ddfbf1401 100644 --- a/arch/arm64/kernel/syscall.c +++ b/arch/arm64/kernel/syscall.c @@ -52,17 +52,6 @@ static void invoke_syscall(struct pt_regs *regs, unsigned int scno, } syscall_set_return_value(current, regs, 0, ret); - - /* - * This value will get limited by KSTACK_OFFSET_MAX(), which is 10 - * bits. The actual entropy will be further reduced by the compiler - * when applying stack alignment constraints: the AAPCS mandates a - * 16-byte aligned SP at function boundaries, which will remove the - * 4 low bits from any entropy chosen here. - * - * The resulting 6 bits of entropy is seen in SP[9:4]. - */ - choose_random_kstack_offset(get_random_u16()); } static inline bool has_syscall_work(unsigned long flags) |