Messages in this thread | | | Subject | Re: [PATCH RESENT] coredump: fix cn_printf formatting warnings | From | Joe Perches <> | Date | Thu, 16 Apr 2015 03:50:04 -0700 |
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(adding Andrew Morton to cc's)
On Thu, 2015-04-16 at 18:28 +0800, Nicolas Iooss wrote: > Add __printf attributes to cn_*printf functions.
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> I sent this patch more than a month ago but go no feedback, so I'm sending it again. > Comments would be greatly appreciated.
Seems sensible, but trivially, the uid/gid output should use %u as uid_t/__kernel_uid32_t and gid_t/__kernel_gid32_t are unsigned int
Also, this would probably be better as 2 patches.
One for the __printf and mismatches fixes, Another for the _munged use.
> diff --git a/fs/coredump.c b/fs/coredump.c [] > @@ -209,11 +211,15 @@ static int format_corename(struct core_name *cn, struct coredump_params *cprm) > break; > /* uid */ > case 'u': > - err = cn_printf(cn, "%d", cred->uid); > + err = cn_printf(cn, "%d", > + from_kuid_munged(cred->user_ns, > + cred->uid)); > break; > /* gid */ > case 'g': > - err = cn_printf(cn, "%d", cred->gid); > + err = cn_printf(cn, "%d", > + from_kgid_munged(cred->user_ns, > + cred->gid)); > break; > case 'd': > err = cn_printf(cn, "%d",
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