* [riscv:for-next 2/2] net/ipv4/fib_trie.c:324:13: warning: implicit conversion from 'unsigned long' to 'u32' (aka 'unsigned int') changes value from 2305843009213693946 to 4294967290
@ 2021-05-24 4:52 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-05-24 4:52 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 18420 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git for-next
head: 11c2f6c1b30392d366e84bbe9937616e79279bca
commit: 11c2f6c1b30392d366e84bbe9937616e79279bca [2/2] Merge remote-tracking branches 'riscv/next-misc' and 'riscv/fixes' into for-next
config: riscv-randconfig-r013-20210524 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 93d1e5822ed64abd777eb94ea9899e96c4c39fbe)
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 riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git/commit/?id=11c2f6c1b30392d366e84bbe9937616e79279bca
git remote add riscv https://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git
git fetch --no-tags riscv for-next
git checkout 11c2f6c1b30392d366e84bbe9937616e79279bca
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from net/ipv4/fib_trie.c:39:
In file included from include/linux/uaccess.h:11:
In file included from arch/riscv/include/asm/uaccess.h:11:
arch/riscv/include/asm/pgtable.h:579:20: error: redefinition of 'set_pmd_at'
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
^
arch/riscv/include/asm/pgtable.h:420:20: note: previous definition is here
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
^
>> net/ipv4/fib_trie.c:324:13: warning: implicit conversion from 'unsigned long' to 'u32' (aka 'unsigned int') changes value from 2305843009213693946 to 4294967290 [-Wconstant-conversion]
if (bits > TNODE_VMALLOC_MAX)
^~~~~~~~~~~~~~~~~
net/ipv4/fib_trie.c:305:35: note: expanded from macro 'TNODE_VMALLOC_MAX'
ilog2((SIZE_MAX - TNODE_SIZE(0)) / sizeof(struct key_vector *))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/log2.h:162:14: note: expanded from macro 'ilog2'
__ilog2_u32(n) : \
~~~~~~~~~~~ ^
1 warning and 1 error generated.
--
In file included from drivers/char/xillybus/xillybus_pcie.c:11:
In file included from include/linux/pci.h:38:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/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/riscv/include/asm/io.h:15:
In file included from include/linux/pgtable.h:6:
arch/riscv/include/asm/pgtable.h:579:20: error: redefinition of 'set_pmd_at'
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
^
arch/riscv/include/asm/pgtable.h:420:20: note: previous definition is here
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
^
>> drivers/char/xillybus/xillybus_pcie.c:191:37: warning: shift count >= width of type [-Wshift-count-overflow]
} else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
^~~~~~~~~~~~~~~~
include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK'
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
^ ~~~
1 warning and 1 error generated.
--
In file included from drivers/crypto/cavium/nitrox/nitrox_main.c:8:
In file included from include/linux/pci.h:38:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/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/riscv/include/asm/io.h:15:
In file included from include/linux/pgtable.h:6:
arch/riscv/include/asm/pgtable.h:579:20: error: redefinition of 'set_pmd_at'
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
^
arch/riscv/include/asm/pgtable.h:420:20: note: previous definition is here
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
^
>> drivers/crypto/cavium/nitrox/nitrox_main.c:431:45: warning: shift count >= width of type [-Wshift-count-overflow]
if (!dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) {
^~~~~~~~~~~~~~~~
include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK'
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
^ ~~~
1 warning and 1 error generated.
--
In file included from drivers/crypto/inside-secure/safexcel.c:10:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:8:
In file included from include/linux/mm.h:33:
In file included from include/linux/pgtable.h:6:
arch/riscv/include/asm/pgtable.h:579:20: error: redefinition of 'set_pmd_at'
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
^
arch/riscv/include/asm/pgtable.h:420:20: note: previous definition is here
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
^
drivers/crypto/inside-secure/safexcel.c:1734:18: warning: cast to smaller integer type 'enum safexcel_eip_version' from 'const void *' [-Wvoid-pointer-to-enum-cast]
priv->version = (enum safexcel_eip_version)of_device_get_match_data(dev);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/crypto/inside-secure/safexcel.c:1772:39: warning: shift count >= width of type [-Wshift-count-overflow]
ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64));
^~~~~~~~~~~~~~~~
include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK'
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
^ ~~~
2 warnings and 1 error generated.
--
In file included from drivers/dma/dw-edma/dw-edma-pcie.c:11:
In file included from include/linux/pci.h:38:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/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/riscv/include/asm/io.h:15:
In file included from include/linux/pgtable.h:6:
arch/riscv/include/asm/pgtable.h:579:20: error: redefinition of 'set_pmd_at'
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
^
arch/riscv/include/asm/pgtable.h:420:20: note: previous definition is here
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
^
>> drivers/dma/dw-edma/dw-edma-pcie.c:189:31: warning: shift count >= width of type [-Wshift-count-overflow]
err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
^~~~~~~~~~~~~~~~
include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK'
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
^ ~~~
drivers/dma/dw-edma/dw-edma-pcie.c:191:43: warning: shift count >= width of type [-Wshift-count-overflow]
err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
^~~~~~~~~~~~~~~~
include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK'
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
^ ~~~
2 warnings and 1 error generated.
--
In file included from drivers/misc/genwqe/card_base.c:20:
In file included from include/linux/pci.h:38:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/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/riscv/include/asm/io.h:15:
In file included from include/linux/pgtable.h:6:
arch/riscv/include/asm/pgtable.h:579:20: error: redefinition of 'set_pmd_at'
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
^
arch/riscv/include/asm/pgtable.h:420:20: note: previous definition is here
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
^
>> drivers/misc/genwqe/card_base.c:1093:47: warning: shift count >= width of type [-Wshift-count-overflow]
if (dma_set_mask_and_coherent(&pci_dev->dev, DMA_BIT_MASK(64)) ||
^~~~~~~~~~~~~~~~
include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK'
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
^ ~~~
1 warning and 1 error generated.
--
In file included from drivers/pci/switch/switchtec.c:7:
In file included from include/linux/switchtec.h:10:
In file included from include/linux/pci.h:38:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/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/riscv/include/asm/io.h:15:
In file included from include/linux/pgtable.h:6:
arch/riscv/include/asm/pgtable.h:579:20: error: redefinition of 'set_pmd_at'
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
^
arch/riscv/include/asm/pgtable.h:420:20: note: previous definition is here
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
^
>> drivers/pci/switch/switchtec.c:1524:45: warning: shift count >= width of type [-Wshift-count-overflow]
rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
^~~~~~~~~~~~~~~~
include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK'
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
^ ~~~
1 warning and 1 error generated.
--
In file included from drivers/net/vmxnet3/vmxnet3_drv.c:28:
In file included from include/net/ip6_checksum.h:27:
In file included from include/net/ip.h:22:
In file included from include/linux/ip.h:16:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:14:
In file included from include/linux/mm.h:33:
In file included from include/linux/pgtable.h:6:
arch/riscv/include/asm/pgtable.h:579:20: error: redefinition of 'set_pmd_at'
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
^
arch/riscv/include/asm/pgtable.h:420:20: note: previous definition is here
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
^
>> drivers/net/vmxnet3/vmxnet3_drv.c:3413:29: warning: shift count >= width of type [-Wshift-count-overflow]
if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) == 0) {
^~~~~~~~~~~~~~~~
include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK'
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
^ ~~~
drivers/net/vmxnet3/vmxnet3_drv.c:3414:41: warning: shift count >= width of type [-Wshift-count-overflow]
if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) {
^~~~~~~~~~~~~~~~
include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK'
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
^ ~~~
2 warnings and 1 error generated.
--
In file included from drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c:6:
In file included from include/linux/pci.h:38:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/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/riscv/include/asm/io.h:15:
In file included from include/linux/pgtable.h:6:
arch/riscv/include/asm/pgtable.h:579:20: error: redefinition of 'set_pmd_at'
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
^
arch/riscv/include/asm/pgtable.h:420:20: note: previous definition is here
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
^
>> drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c:1105:9: warning: shift count >= width of type [-Wshift-count-overflow]
return DMA_BIT_MASK(64);
^~~~~~~~~~~~~~~~
include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK'
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
^ ~~~
1 warning and 1 error generated.
--
In file included from drivers/net/wireless/realtek/rtlwifi/pci.c:4:
In file included from drivers/net/wireless/realtek/rtlwifi/wifi.h:11:
In file included from include/linux/etherdevice.h:20:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:14:
In file included from include/linux/mm.h:33:
In file included from include/linux/pgtable.h:6:
arch/riscv/include/asm/pgtable.h:579:20: error: redefinition of 'set_pmd_at'
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
^
arch/riscv/include/asm/pgtable.h:420:20: note: previous definition is here
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
^
>> drivers/net/wireless/realtek/rtlwifi/pci.c:2168:32: warning: shift count >= width of type [-Wshift-count-overflow]
!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) {
^~~~~~~~~~~~~~~~
include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK'
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
^ ~~~
drivers/net/wireless/realtek/rtlwifi/pci.c:2169:41: warning: shift count >= width of type [-Wshift-count-overflow]
if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64))) {
^~~~~~~~~~~~~~~~
include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK'
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
^ ~~~
2 warnings and 1 error generated.
vim +324 net/ipv4/fib_trie.c
37fd30f2da573c Alexander Duyck 2014-12-31 318
dc35dbeda3e00a Alexander Duyck 2015-03-06 319 static struct tnode *tnode_alloc(int bits)
f0e36f8cee8101 Patrick McHardy 2005-07-05 320 {
1de3d87bcd2c2e Alexander Duyck 2015-03-04 321 size_t size;
1de3d87bcd2c2e Alexander Duyck 2015-03-04 322
1de3d87bcd2c2e Alexander Duyck 2015-03-04 323 /* verify bits is within bounds */
1de3d87bcd2c2e Alexander Duyck 2015-03-04 @324 if (bits > TNODE_VMALLOC_MAX)
1de3d87bcd2c2e Alexander Duyck 2015-03-04 325 return NULL;
1de3d87bcd2c2e Alexander Duyck 2015-03-04 326
1de3d87bcd2c2e Alexander Duyck 2015-03-04 327 /* determine size and verify it is non-zero and didn't overflow */
1de3d87bcd2c2e Alexander Duyck 2015-03-04 328 size = TNODE_SIZE(1ul << bits);
1de3d87bcd2c2e Alexander Duyck 2015-03-04 329
2373ce1ca04dd4 Robert Olsson 2005-08-25 330 if (size <= PAGE_SIZE)
8d96544475b236 Eric Dumazet 2008-01-13 331 return kzalloc(size, GFP_KERNEL);
15be75cdb5db44 Stephen Hemminger 2008-04-10 332 else
7a1c8e5ab120a5 Eric Dumazet 2010-11-20 333 return vzalloc(size);
15be75cdb5db44 Stephen Hemminger 2008-04-10 334 }
2373ce1ca04dd4 Robert Olsson 2005-08-25 335
:::::: The code@line 324 was first introduced by commit
:::::: 1de3d87bcd2c2e631500b9e4f0c40b38ce0d0d57 fib_trie: Prevent allocating tnode if bits is too big for size_t
:::::: TO: Alexander Duyck <alexander.h.duyck@redhat.com>
:::::: CC: David S. Miller <davem@davemloft.net>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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2021-05-24 4:52 [riscv:for-next 2/2] net/ipv4/fib_trie.c:324:13: warning: implicit conversion from 'unsigned long' to 'u32' (aka 'unsigned int') changes value from 2305843009213693946 to 4294967290 kernel test robot
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