diff options
| author | Mark Johnston <markj@FreeBSD.org> | 2026-07-31 19:47:20 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2026-07-31 19:47:20 +0000 |
| commit | 1932bd20ed53f2e695a576cffd183937ed25de3f (patch) | |
| tree | 84dfda0f1e2b715277499cce36c4c4df1906b802 | |
| parent | ea7d35526878ebf82f10080795e462d007485bf1 (diff) | |
ptrace: Propagate errors from set_fpregs()
Otherwise ptrace(PT_SETREGSET) will not return errors to userspace.
Fixes: cef05c5a62ba ("amd64: do not allow to set reserved bits in MXCSR for ptrace(PT_SETFPREGS)")
Reviewed by: kib
Differential Revision: https://reviews.freebsd.org/D58577
| -rw-r--r-- | sys/kern/imgact_elf.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sys/kern/imgact_elf.c b/sys/kern/imgact_elf.c index 08e9718c4d24..b8a0e439de5c 100644 --- a/sys/kern/imgact_elf.c +++ b/sys/kern/imgact_elf.c @@ -2388,14 +2388,14 @@ __elfN(set_fpregset)(struct regset *rs, struct thread *td, void *buf, { elf_prfpregset_t *fpregset; - fpregset = buf; KASSERT(size == sizeof(*fpregset), ("%s: invalid size", __func__)); + + fpregset = buf; #if defined(COMPAT_FREEBSD32) && __ELF_WORD_SIZE == 32 - set_fpregs32(td, fpregset); + return (set_fpregs32(td, fpregset) == 0); #else - set_fpregs(td, fpregset); + return (set_fpregs(td, fpregset) == 0); #endif - return (true); } static struct regset __elfN(regset_fpregset) = { |