From: kernel test robot <lkp@intel.com>
To: David Howells <dhowells@redhat.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev
Subject: [dhowells-fs:afs-testing 1/1] net/rxrpc/sendmsg.c:606:23: warning: format specifies type 'int' but the argument has type 'struct rxrpc_call *'
Date: Tue, 14 Feb 2023 02:23:58 +0800 [thread overview]
Message-ID: <202302140231.MkZmcNiF-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git afs-testing
head: fa7f69da4a2210209299c01a778b068dc638a0b0
commit: fa7f69da4a2210209299c01a778b068dc638a0b0 [1/1] rxrpc: Don't print kernel pointers in warning messages
config: hexagon-randconfig-r016-20230212 (https://download.01.org/0day-ci/archive/20230214/202302140231.MkZmcNiF-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project db0e6591612b53910a1b366863348bdb9d7d2fb1)
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
# https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/commit/?id=fa7f69da4a2210209299c01a778b068dc638a0b0
git remote add dhowells-fs https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git
git fetch --no-tags dhowells-fs afs-testing
git checkout fa7f69da4a2210209299c01a778b068dc638a0b0
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash net/rxrpc/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202302140231.MkZmcNiF-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from net/rxrpc/sendmsg.c:12:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __raw_readb(PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
In file included from net/rxrpc/sendmsg.c:12:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
^
In file included from net/rxrpc/sendmsg.c:12:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
>> net/rxrpc/sendmsg.c:606:23: warning: format specifies type 'int' but the argument has type 'struct rxrpc_call *' [-Wformat]
_leave(" = %c=%x\n", call);
~~ ^~~~
net/rxrpc/ar-internal.h:1339:63: note: expanded from macro '_leave'
#define _leave(FMT,...) no_printk("<== %s()"FMT"",__func__ ,##__VA_ARGS__)
~~~ ^~~~~~~~~~~
include/linux/printk.h:131:17: note: expanded from macro 'no_printk'
printk(fmt, ##__VA_ARGS__); \
~~~ ^~~~~~~~~~~
include/linux/printk.h:457:60: note: expanded from macro 'printk'
#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
include/linux/printk.h:429:19: note: expanded from macro 'printk_index_wrap'
_p_func(_fmt, ##__VA_ARGS__); \
~~~~ ^~~~~~~~~~~
>> net/rxrpc/sendmsg.c:606:17: warning: more '%' conversions than data arguments [-Wformat-insufficient-args]
_leave(" = %c=%x\n", call);
~^
net/rxrpc/ar-internal.h:1339:45: note: expanded from macro '_leave'
#define _leave(FMT,...) no_printk("<== %s()"FMT"",__func__ ,##__VA_ARGS__)
^~~
include/linux/printk.h:131:10: note: expanded from macro 'no_printk'
printk(fmt, ##__VA_ARGS__); \
^~~
include/linux/printk.h:457:53: note: expanded from macro 'printk'
#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
^~~
include/linux/printk.h:429:11: note: expanded from macro 'printk_index_wrap'
_p_func(_fmt, ##__VA_ARGS__); \
^~~~
8 warnings generated.
vim +606 net/rxrpc/sendmsg.c
566
567 /*
568 * Create a new client call for sendmsg().
569 * - Called with the socket lock held, which it must release.
570 * - If it returns a call, the call's lock will need releasing by the caller.
571 */
572 static struct rxrpc_call *
573 rxrpc_new_client_call_for_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg,
574 struct rxrpc_send_params *p)
575 __releases(&rx->sk.sk_lock.slock)
576 __acquires(&call->user_mutex)
577 {
578 struct rxrpc_conn_parameters cp;
579 struct rxrpc_call *call;
580 struct key *key;
581
582 DECLARE_SOCKADDR(struct sockaddr_rxrpc *, srx, msg->msg_name);
583
584 _enter("");
585
586 if (!msg->msg_name) {
587 release_sock(&rx->sk);
588 return ERR_PTR(-EDESTADDRREQ);
589 }
590
591 key = rx->key;
592 if (key && !rx->key->payload.data[0])
593 key = NULL;
594
595 memset(&cp, 0, sizeof(cp));
596 cp.local = rx->local;
597 cp.key = rx->key;
598 cp.security_level = rx->min_sec_level;
599 cp.exclusive = rx->exclusive | p->exclusive;
600 cp.upgrade = p->upgrade;
601 cp.service_id = srx->srx_service;
602 call = rxrpc_new_client_call(rx, &cp, srx, &p->call, GFP_KERNEL,
603 atomic_inc_return(&rxrpc_debug_id));
604 /* The socket is now unlocked */
605
> 606 _leave(" = %c=%x\n", call);
607 return call;
608 }
609
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
reply other threads:[~2023-02-13 18:24 UTC|newest]
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