2.6.25-stable review patch. If anyone has any objections, please let us know. ------------------ From: Roland McGrath Commit 5a4646a4efed8c835f76c3b88f3155f6ab5b8d9b introduced a leak of task_struct refs into sys32_ptrace. This bug has already gone away in for 2.6.26 in commit 562b80bafffaf42a6d916b0a2ee3d684220a1c10. Signed-off-by: Roland McGrath Acked-by: Ingo Molnar Signed-off-by: Greg Kroah-Hartman --- arch/x86/kernel/ptrace.c | 45 ++++++++++++++++++++++++++------------------- 1 file changed, 26 insertions(+), 19 deletions(-) --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -1309,42 +1309,49 @@ asmlinkage long sys32_ptrace(long reques break; case PTRACE_GETREGS: /* Get all gp regs from the child. */ - return copy_regset_to_user(child, &user_x86_32_view, - REGSET_GENERAL, - 0, sizeof(struct user_regs_struct32), - datap); + ret = copy_regset_to_user(child, &user_x86_32_view, + REGSET_GENERAL, + 0, sizeof(struct user_regs_struct32), + datap); + break; case PTRACE_SETREGS: /* Set all gp regs in the child. */ - return copy_regset_from_user(child, &user_x86_32_view, - REGSET_GENERAL, 0, - sizeof(struct user_regs_struct32), - datap); + ret = copy_regset_from_user(child, &user_x86_32_view, + REGSET_GENERAL, 0, + sizeof(struct user_regs_struct32), + datap); + break; case PTRACE_GETFPREGS: /* Get the child FPU state. */ - return copy_regset_to_user(child, &user_x86_32_view, - REGSET_FP, 0, - sizeof(struct user_i387_ia32_struct), - datap); + ret = copy_regset_to_user(child, &user_x86_32_view, + REGSET_FP, 0, + sizeof(struct user_i387_ia32_struct), + datap); + break; case PTRACE_SETFPREGS: /* Set the child FPU state. */ - return copy_regset_from_user( + ret = copy_regset_from_user( child, &user_x86_32_view, REGSET_FP, 0, sizeof(struct user_i387_ia32_struct), datap); + break; case PTRACE_GETFPXREGS: /* Get the child extended FPU state. */ - return copy_regset_to_user(child, &user_x86_32_view, - REGSET_XFP, 0, - sizeof(struct user32_fxsr_struct), - datap); + ret = copy_regset_to_user(child, &user_x86_32_view, + REGSET_XFP, 0, + sizeof(struct user32_fxsr_struct), + datap); + break; case PTRACE_SETFPXREGS: /* Set the child extended FPU state. */ - return copy_regset_from_user(child, &user_x86_32_view, + ret = copy_regset_from_user(child, &user_x86_32_view, REGSET_XFP, 0, sizeof(struct user32_fxsr_struct), datap); + break; default: - return compat_ptrace_request(child, request, addr, data); + ret = compat_ptrace_request(child, request, addr, data); + break; } out: -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/