tree: git://git.samba.org/sfrench/cifs-2.6.git for-next
head: b9acb3e8ec98363c862f7ebd18564805df45696d
commit: ba4f2a8b205ff48fa9a130112980c17cfba45aff [4/6] CIFS: add CONFIG_CIFS_DEBUG_KEYS to dump encryption keys
config: sparc64-allyesconfig (attached as .config)
compiler: sparc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout ba4f2a8b205ff48fa9a130112980c17cfba45aff
# save the attached .config to linux build tree
make.cross ARCH=sparc64
All warnings (new ones prefixed by >>):
In file included from include/linux/kernel.h:13:0,
from include/linux/list.h:8,
from include/linux/wait.h:6,
from include/linux/fs.h:5,
from fs/cifs/smb2transport.c:25:
fs/cifs/smb2transport.c: In function 'generate_smb3signingkey':
>> fs/cifs/cifs_debug.h:55:24: warning: field width specifier '*' expects argument of type 'int', but argument 4 has type 'long unsigned int' [-Wformat=]
pr_debug_ratelimited("%s: " \
^
include/linux/printk.h:285:21: note: in definition of macro 'pr_fmt'
#define pr_fmt(fmt) fmt
^~~
>> fs/cifs/cifs_debug.h:55:3: note: in expansion of macro 'pr_debug_ratelimited'
pr_debug_ratelimited("%s: " \
^~~~~~~~~~~~~~~~~~~~
>> fs/cifs/smb2transport.c:352:2: note: in expansion of macro 'cifs_dbg'
cifs_dbg(VFS, "Session Id %*ph\n", sizeof(ses->Suid), &ses->Suid);
^~~~~~~~
In file included from fs/cifs/smb2transport.c:39:0:
>> fs/cifs/smb2transport.c:352:16: warning: field width specifier '*' expects argument of type 'int', but argument 2 has type 'long unsigned int' [-Wformat=]
cifs_dbg(VFS, "Session Id %*ph\n", sizeof(ses->Suid), &ses->Suid);
^
fs/cifs/cifs_debug.h:58:16: note: in definition of macro 'cifs_dbg'
cifs_vfs_err(fmt, ##__VA_ARGS__); \
^~~
In file included from include/linux/kernel.h:13:0,
from include/linux/list.h:8,
from include/linux/wait.h:6,
from include/linux/fs.h:5,
from fs/cifs/smb2transport.c:25:
fs/cifs/smb2transport.c:352:16: warning: field width specifier '*' expects argument of type 'int', but argument 3 has type 'long unsigned int' [-Wformat=]
cifs_dbg(VFS, "Session Id %*ph\n", sizeof(ses->Suid), &ses->Suid);
^
include/linux/printk.h:285:21: note: in definition of macro 'pr_fmt'
#define pr_fmt(fmt) fmt
^~~
fs/cifs/cifs_debug.h:60:3: note: in expansion of macro 'pr_debug_ratelimited'
pr_debug_ratelimited(fmt, ##__VA_ARGS__); \
^~~~~~~~~~~~~~~~~~~~
>> fs/cifs/smb2transport.c:352:2: note: in expansion of macro 'cifs_dbg'
cifs_dbg(VFS, "Session Id %*ph\n", sizeof(ses->Suid), &ses->Suid);
^~~~~~~~
vim +/cifs_dbg +352 fs/cifs/smb2transport.c
336 return rc;
337
338 rc = generate_key(ses, ptriplet->decryption.label,
339 ptriplet->decryption.context,
340 ses->smb3decryptionkey, SMB3_SIGN_KEY_SIZE);
341
342 if (rc)
343 return rc;
344
345 #ifdef CONFIG_CIFS_DEBUG_DUMP_KEYS
346 cifs_dbg(VFS, "%s: dumping generated AES session keys\n", __func__);
347 /*
348 * The session id is opaque in terms of endianness, so we can't
349 * print it as a long long. we dump it as we got it on the
350 * wire.
351 */
> 352 cifs_dbg(VFS, "Session Id %*ph\n", sizeof(ses->Suid), &ses->Suid);
353 cifs_dbg(VFS, "Session Key %*ph\n",
354 SMB2_NTLMV2_SESSKEY_SIZE, ses->auth_key.response);
355 cifs_dbg(VFS, "Signing Key %*ph\n",
356 SMB3_SIGN_KEY_SIZE, ses->smb3signingkey);
357 cifs_dbg(VFS, "ServerIn Key %*ph\n",
358 SMB3_SIGN_KEY_SIZE, ses->smb3encryptionkey);
359 cifs_dbg(VFS, "ServerOut Key %*ph\n",
360 SMB3_SIGN_KEY_SIZE, ses->smb3decryptionkey);
---
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https://lists.01.org/pipermail/kbuild-all Intel Corporation
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.config.gz
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