Re: [PATCH 06/23] rxrpc: use ASSERT_FAIL()/ASSERT_WARN() to cleanup some code

From: kernel test robot
Date: Thu Aug 27 2020 - 14:09:07 EST

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Hi Chunguang,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on mkp-scsi/for-next]
[also build test ERROR on scsi/for-next block/for-next linus/master asm-generic/master v5.9-rc2 next-20200827]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url: https://github.com/0day-ci/linux/commits/Chunguang-Xu/clean-up-the-code-related-to-ASSERT/20200827-182148
base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next
config: x86_64-randconfig-a013-20200827 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 71f3169e1baeff262583b35ef88f8fb6df7be85e)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

net/rxrpc/rxkad.c:344:33: warning: format specifies type 'unsigned short' but the argument has type 'u32' (aka 'unsigned int') [-Wformat]
_leave(" = %d [set %hx]", ret, y);
~~~ ^
%x
net/rxrpc/ar-internal.h:1150:16: note: expanded from macro '_leave'
kleave(FMT,##__VA_ARGS__); \
~~~ ^~~~~~~~~~~
net/rxrpc/ar-internal.h:1121:63: note: expanded from macro 'kleave'
#define kleave(FMT,...) dbgprintk("<== %s()"FMT"",__func__ ,##__VA_ARGS__)
~~~ ^~~~~~~~~~~
net/rxrpc/ar-internal.h:1118:46: note: expanded from macro 'dbgprintk'
printk("[%-6.6s] "FMT"\n", current->comm ,##__VA_ARGS__)
~~~ ^~~~~~~~~~~
>> net/rxrpc/rxkad.c:930:2: error: use of undeclared identifier 'x'
ASSERT(conn->server_key->payload.data[0] != NULL);
^
net/rxrpc/ar-internal.h:1184:31: note: expanded from macro 'ASSERT'
#define ASSERT(X) ASSERT_FAIL(x)
^
>> net/rxrpc/rxkad.c:930:2: error: use of undeclared identifier 'x'
net/rxrpc/ar-internal.h:1184:31: note: expanded from macro 'ASSERT'
#define ASSERT(X) ASSERT_FAIL(x)
^
1 warning and 2 errors generated.

# https://github.com/0day-ci/linux/commit/1d215ffa42c9e100fa23c485351acf9293936807
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Chunguang-Xu/clean-up-the-code-related-to-ASSERT/20200827-182148
git checkout 1d215ffa42c9e100fa23c485351acf9293936807
vim +/x +930 net/rxrpc/rxkad.c

17926a79320afa David Howells 2007-04-26 890
17926a79320afa David Howells 2007-04-26 891 /*
17926a79320afa David Howells 2007-04-26 892 * decrypt the kerberos IV ticket in the response
17926a79320afa David Howells 2007-04-26 893 */
17926a79320afa David Howells 2007-04-26 894 static int rxkad_decrypt_ticket(struct rxrpc_connection *conn,
fb46f6ee10e787 David Howells 2017-04-06 895 struct sk_buff *skb,
17926a79320afa David Howells 2007-04-26 896 void *ticket, size_t ticket_len,
17926a79320afa David Howells 2007-04-26 897 struct rxrpc_crypt *_session_key,
10674a03c63337 Baolin Wang 2017-08-29 898 time64_t *_expiry,
17926a79320afa David Howells 2007-04-26 899 u32 *_abort_code)
17926a79320afa David Howells 2007-04-26 900 {
1afe593b423918 Herbert Xu 2016-01-24 901 struct skcipher_request *req;
fb46f6ee10e787 David Howells 2017-04-06 902 struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
17926a79320afa David Howells 2007-04-26 903 struct rxrpc_crypt iv, key;
68e3f5dd4db626 Herbert Xu 2007-10-27 904 struct scatterlist sg[1];
17926a79320afa David Howells 2007-04-26 905 struct in_addr addr;
95c961747284a6 Eric Dumazet 2012-04-15 906 unsigned int life;
fb46f6ee10e787 David Howells 2017-04-06 907 const char *eproto;
10674a03c63337 Baolin Wang 2017-08-29 908 time64_t issue, now;
17926a79320afa David Howells 2007-04-26 909 bool little_endian;
17926a79320afa David Howells 2007-04-26 910 int ret;
fb46f6ee10e787 David Howells 2017-04-06 911 u32 abort_code;
17926a79320afa David Howells 2007-04-26 912 u8 *p, *q, *name, *end;
17926a79320afa David Howells 2007-04-26 913
17926a79320afa David Howells 2007-04-26 914 _enter("{%d},{%x}", conn->debug_id, key_serial(conn->server_key));
17926a79320afa David Howells 2007-04-26 915
17926a79320afa David Howells 2007-04-26 916 *_expiry = 0;
17926a79320afa David Howells 2007-04-26 917
17926a79320afa David Howells 2007-04-26 918 ret = key_validate(conn->server_key);
17926a79320afa David Howells 2007-04-26 919 if (ret < 0) {
17926a79320afa David Howells 2007-04-26 920 switch (ret) {
17926a79320afa David Howells 2007-04-26 921 case -EKEYEXPIRED:
fb46f6ee10e787 David Howells 2017-04-06 922 abort_code = RXKADEXPIRED;
ef68622da9cc0c David Howells 2017-04-06 923 goto other_error;
17926a79320afa David Howells 2007-04-26 924 default:
fb46f6ee10e787 David Howells 2017-04-06 925 abort_code = RXKADNOAUTH;
ef68622da9cc0c David Howells 2017-04-06 926 goto other_error;
17926a79320afa David Howells 2007-04-26 927 }
17926a79320afa David Howells 2007-04-26 928 }
17926a79320afa David Howells 2007-04-26 929
146aa8b1453bd8 David Howells 2015-10-21 @930 ASSERT(conn->server_key->payload.data[0] != NULL);
17926a79320afa David Howells 2007-04-26 931 ASSERTCMP((unsigned long) ticket & 7UL, ==, 0);
17926a79320afa David Howells 2007-04-26 932
146aa8b1453bd8 David Howells 2015-10-21 933 memcpy(&iv, &conn->server_key->payload.data[2], sizeof(iv));
17926a79320afa David Howells 2007-04-26 934
ef68622da9cc0c David Howells 2017-04-06 935 ret = -ENOMEM;
1afe593b423918 Herbert Xu 2016-01-24 936 req = skcipher_request_alloc(conn->server_key->payload.data[0],
1afe593b423918 Herbert Xu 2016-01-24 937 GFP_NOFS);
ef68622da9cc0c David Howells 2017-04-06 938 if (!req)
ef68622da9cc0c David Howells 2017-04-06 939 goto temporary_error;
17926a79320afa David Howells 2007-04-26 940
68e3f5dd4db626 Herbert Xu 2007-10-27 941 sg_init_one(&sg[0], ticket, ticket_len);
1afe593b423918 Herbert Xu 2016-01-24 942 skcipher_request_set_callback(req, 0, NULL, NULL);
1afe593b423918 Herbert Xu 2016-01-24 943 skcipher_request_set_crypt(req, sg, sg, ticket_len, iv.x);
1afe593b423918 Herbert Xu 2016-01-24 944 crypto_skcipher_decrypt(req);
1afe593b423918 Herbert Xu 2016-01-24 945 skcipher_request_free(req);
17926a79320afa David Howells 2007-04-26 946
17926a79320afa David Howells 2007-04-26 947 p = ticket;
17926a79320afa David Howells 2007-04-26 948 end = p + ticket_len;
17926a79320afa David Howells 2007-04-26 949

---
0-DAY CI Kernel Test Service, Intel Corporation
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Next message: Uros Bizjak: "[PATCH v2] x86: Use xorl %0,%0 in __get_user_asm"
Previous message: Rasmus Villemoes: "Re: [PATCH] linux/kernel.h: add container_from()"
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