Hi David,
FYI, there are new compile warnings show up in
tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux master
head: 31fd84b95eb211d5db460a1dda85e004800a7b52
commit: caabe240574aec05b2f5667414ce80f9075c2ba1 MODSIGN: Move the magic string to the end of a module and eliminate the search
date: 8 hours ago
config: i386-allyesconfig # make ARCH=i386 allyesconfig
All warnings:
kernel/module_signing.c: In function 'mod_verify_sig':
kernel/module_signing.c:195:2: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'size_t' [-Wformat]
vim +195 kernel/module_signing.c
48ba2462 David Howells 2012-09-26 179 pr_devel("<==%s() = 0 [%x]\n", __func__, key_serial(key_ref_to_ptr(key)));
48ba2462 David Howells 2012-09-26 180 return key_ref_to_ptr(key);
48ba2462 David Howells 2012-09-26 181 }
48ba2462 David Howells 2012-09-26 182
48ba2462 David Howells 2012-09-26 183 /*
106a4ee2 Rusty Russell 2012-09-26 184 * Verify the signature on a module.
106a4ee2 Rusty Russell 2012-09-26 185 */
caabe240 David Howells 2012-10-20 186 int mod_verify_sig(const void *mod, unsigned long *_modlen)
106a4ee2 Rusty Russell 2012-09-26 187 {
48ba2462 David Howells 2012-09-26 188 struct public_key_signature *pks;
48ba2462 David Howells 2012-09-26 189 struct module_signature ms;
48ba2462 David Howells 2012-09-26 190 struct key *key;
caabe240 David Howells 2012-10-20 191 const void *sig;
caabe240 David Howells 2012-10-20 192 size_t modlen = *_modlen, sig_len;
48ba2462 David Howells 2012-09-26 193 int ret;
48ba2462 David Howells 2012-09-26 194
caabe240 David Howells 2012-10-20 @195 pr_devel("==>%s(,%lu)\n", __func__, modlen);
48ba2462 David Howells 2012-09-26 196
caabe240 David Howells 2012-10-20 197 if (modlen <= sizeof(ms))
48ba2462 David Howells 2012-09-26 198 return -EBADMSG;
48ba2462 David Howells 2012-09-26 199
caabe240 David Howells 2012-10-20 200 memcpy(&ms, mod + (modlen - sizeof(ms)), sizeof(ms));
caabe240 David Howells 2012-10-20 201 modlen -= sizeof(ms);
48ba2462 David Howells 2012-09-26 202
48ba2462 David Howells 2012-09-26 203 sig_len = be32_to_cpu(ms.sig_len);
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0-DAY kernel build testing backend Open Source Technology Center
Fengguang Wu, Yuanhan Liu Intel Corporation
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