| Message ID | |
|---|---|
| State | Accepted |
| Delegated to: | Ralf Baechle |
| Headers | show |
| Series |
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| Related | show |
Index: linux-sfr-test/arch/mips/kernel/ptrace.c =================================================================== --- linux-sfr-test.orig/arch/mips/kernel/ptrace.c :22: +0000 +++ linux-sfr-test/arch/mips/kernel/ptrace.c :22: +0000 @@ -541,6 +541,9 @@ static int fpr_set(struct task_struct *t BUG_ON(count % sizeof(elf_fpreg_t)); + if (pos + count > sizeof(elf_fpregset_t)) + return -EIO; + init_fp_ctx(target); if (sizeof(target->thread.fpu.fpr[0]) == sizeof(elf_fpreg_t))
Complement commit c23b3d1a5311 ("MIPS: ptrace: Change GP regset to use correct core dump register layout") and also reject outsized PTRACE_SETREGSET requests to the NT_PRFPREG regset, like with the NT_PRSTATUS regset. Cc: # v3.17+ Fixes: c23b3d1a5311 ("MIPS: ptrace: Change GP regset to use correct core dump register layout") Signed-off-by: Maciej W. Rozycki <> --- Changes from v1: - regenerated. --- arch/mips/kernel/ptrace.c | 3 +++ 1 file changed, 3 insertions(+) linux-mips-nt-prfpreg-size.diff