From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com
Subject: Re: [PATCH next resend 2/5] minmax: Allow min()/max()/clamp() if the arguments have the same signedness.
Date: Tue, 1 Aug 2023 04:41:02 +0800 [thread overview]
Message-ID: <202308010430.Dga44296-lkp@intel.com> (raw)
::::::
:::::: Manual check reason: "low confidence static check first_new_problem: fs/nfsd/nfs3proc.c:561:23: sparse: sparse: bad integer constant expression"
::::::
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
In-Reply-To: <a09512c8526b46759669d0b879144563@AcuMS.aculab.com>
References: <a09512c8526b46759669d0b879144563@AcuMS.aculab.com>
TO: David Laight <David.Laight@ACULAB.COM>
TO: "'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>
TO: "'Andy Shevchenko'" <andriy.shevchenko@linux.intel.com>
TO: "'Andrew Morton'" <akpm@linux-foundation.org>
CC: Linux Memory Management List <linux-mm@kvack.org>
TO: "'Matthew Wilcox (Oracle)'" <willy@infradead.org>
TO: "'Christoph Hellwig'" <hch@infradead.org>
TO: "'Jason A. Donenfeld'" <Jason@zx2c4.com>
Hi David,
kernel test robot noticed the following build warnings:
[auto build test WARNING on akpm-mm/mm-everything]
[also build test WARNING on linus/master]
[cannot apply to next-20230725]
[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#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/David-Laight/minmax-Allow-min-max-clamp-if-the-arguments-have-the-same-signedness/20230725-204940
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/a09512c8526b46759669d0b879144563%40AcuMS.aculab.com
patch subject: [PATCH next resend 2/5] minmax: Allow min()/max()/clamp() if the arguments have the same signedness.
:::::: branch date: 6 days ago
:::::: commit date: 6 days ago
config: i386-randconfig-i062-20230730 (https://download.01.org/0day-ci/archive/20230801/202308010430.Dga44296-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230801/202308010430.Dga44296-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202308010430.Dga44296-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> fs/nfsd/nfs3proc.c:561:23: sparse: sparse: bad integer constant expression
>> fs/nfsd/nfs3proc.c:561:23: sparse: sparse: static assertion failed: "clamp() low limit (u32)(sizeof(__be32) * 2) greater than high limit sendbuf"
vim +561 fs/nfsd/nfs3proc.c
^1da177e4c3f41 Linus Torvalds 2005-04-16 548
40116ebd0934cc Chuck Lever 2020-11-17 549 static void nfsd3_init_dirlist_pages(struct svc_rqst *rqstp,
40116ebd0934cc Chuck Lever 2020-11-17 550 struct nfsd3_readdirres *resp,
53b1119a6e5028 Chuck Lever 2021-12-16 551 u32 count)
40116ebd0934cc Chuck Lever 2020-11-17 552 {
7f87fc2d34d475 Chuck Lever 2020-10-22 553 struct xdr_buf *buf = &resp->dirlist;
7f87fc2d34d475 Chuck Lever 2020-10-22 554 struct xdr_stream *xdr = &resp->xdr;
640f87c190e0d1 Chuck Lever 2022-09-01 555 unsigned int sendbuf = min_t(unsigned int, rqstp->rq_res.buflen,
640f87c190e0d1 Chuck Lever 2022-09-01 556 svc_max_payload(rqstp));
40116ebd0934cc Chuck Lever 2020-11-17 557
7f87fc2d34d475 Chuck Lever 2020-10-22 558 memset(buf, 0, sizeof(*buf));
40116ebd0934cc Chuck Lever 2020-11-17 559
7f87fc2d34d475 Chuck Lever 2020-10-22 560 /* Reserve room for the NULL ptr & eof flag (-2 words) */
640f87c190e0d1 Chuck Lever 2022-09-01 @561 buf->buflen = clamp(count, (u32)(XDR_UNIT * 2), sendbuf);
640f87c190e0d1 Chuck Lever 2022-09-01 562 buf->buflen -= XDR_UNIT * 2;
7f87fc2d34d475 Chuck Lever 2020-10-22 563 buf->pages = rqstp->rq_next_page;
53b1119a6e5028 Chuck Lever 2021-12-16 564 rqstp->rq_next_page += (buf->buflen + PAGE_SIZE - 1) >> PAGE_SHIFT;
7f87fc2d34d475 Chuck Lever 2020-10-22 565
98124f5bd6c766 Chuck Lever 2022-09-12 566 xdr_init_encode_pages(xdr, buf, buf->pages, NULL);
40116ebd0934cc Chuck Lever 2020-11-17 567 }
40116ebd0934cc Chuck Lever 2020-11-17 568
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2023-07-31 20:41 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-31 20:41 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2023-07-31 21:23 [PATCH next resend 2/5] minmax: Allow min()/max()/clamp() if the arguments have the same signedness kernel test robot
2023-07-31 20:20 kernel test robot
2023-07-30 1:38 kernel test robot
2023-07-30 1:08 kernel test robot
2023-07-29 3:54 kernel test robot
2023-07-29 2:41 kernel test robot
2023-07-29 2:00 kernel test robot
2023-07-29 1:19 kernel test robot
2023-07-28 23:47 kernel test robot
2023-07-28 10:25 kernel test robot
2023-07-28 9:53 kernel test robot
2023-07-27 21:24 kernel test robot
2023-07-27 12:37 kernel test robot
2023-07-27 3:27 kernel test robot
2023-07-26 23:47 kernel test robot
2023-07-26 21:10 kernel test robot
2023-07-26 19:58 kernel test robot
2023-07-26 12:15 kernel test robot
2023-07-26 9:50 kernel test robot
2023-07-26 9:39 kernel test robot
2023-07-26 9:29 kernel test robot
2023-07-26 8:47 kernel test robot
2023-07-26 8:36 kernel test robot
2023-07-26 8:05 kernel test robot
2023-07-25 10:00 [PATCH next 0/5] minmax: Relax type checks in min() and max() David Laight
2023-07-25 11:51 ` [PATCH next resend 2/5] minmax: Allow min()/max()/clamp() if the arguments have the same signedness David Laight
2023-07-25 18:02 ` kernel test robot
2023-07-25 18:33 ` kernel test robot
2023-07-26 9:19 ` David Laight
2023-07-26 9:50 ` Marc Zyngier
2023-07-26 10:25 ` David Laight
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