From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com, Dan Carpenter <error27@gmail.com>
Subject: [linux-next:master 2042/2633] kernel/crash_core.c:303 crash_exclude_core_ranges() warn: we never enter this loop
Date: Thu, 02 Jul 2026 14:25:55 +0800 [thread overview]
Message-ID: <202607021410.VIPCVui0-lkp@intel.com> (raw)
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
TO: Jinjie Ruan <ruanjinjie@huawei.com>
CC: "Mike Rapoport (Microsoft)" <rppt@kernel.org>
CC: Sourabh Jain <sourabhjain@linux.ibm.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 4f441960e691d37c880d2cc004de06bb5b6bd5e4
commit: 5beabef0cffaa1ea6e27e85dbd526b7a28e0e7c7 [2042/2633] crash: Add crash_prepare_headers() to exclude crash kernel memory
:::::: branch date: 15 hours ago
:::::: commit date: 2 days ago
config: sh-randconfig-r072-20260702 (https://download.01.org/0day-ci/archive/20260702/202607021410.VIPCVui0-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 15.2.0
smatch: v0.5.0-9185-gbcc58b9c
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>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202607021410.VIPCVui0-lkp@intel.com/
smatch warnings:
kernel/crash_core.c:303 crash_exclude_core_ranges() warn: we never enter this loop
vim +303 kernel/crash_core.c
5beabef0cffaa1e Jinjie Ruan 2026-06-29 287
5beabef0cffaa1e Jinjie Ruan 2026-06-29 288 static int crash_exclude_core_ranges(struct crash_mem *cmem)
5beabef0cffaa1e Jinjie Ruan 2026-06-29 289 {
5beabef0cffaa1e Jinjie Ruan 2026-06-29 290 int ret, i;
5beabef0cffaa1e Jinjie Ruan 2026-06-29 291
5beabef0cffaa1e Jinjie Ruan 2026-06-29 292 /* Exclude crashkernel region */
5beabef0cffaa1e Jinjie Ruan 2026-06-29 293 ret = crash_exclude_mem_range(cmem, crashk_res.start, crashk_res.end);
5beabef0cffaa1e Jinjie Ruan 2026-06-29 294 if (ret)
5beabef0cffaa1e Jinjie Ruan 2026-06-29 295 return ret;
5beabef0cffaa1e Jinjie Ruan 2026-06-29 296
5beabef0cffaa1e Jinjie Ruan 2026-06-29 297 if (crashk_low_res.end) {
5beabef0cffaa1e Jinjie Ruan 2026-06-29 298 ret = crash_exclude_mem_range(cmem, crashk_low_res.start, crashk_low_res.end);
5beabef0cffaa1e Jinjie Ruan 2026-06-29 299 if (ret)
5beabef0cffaa1e Jinjie Ruan 2026-06-29 300 return ret;
5beabef0cffaa1e Jinjie Ruan 2026-06-29 301 }
5beabef0cffaa1e Jinjie Ruan 2026-06-29 302
5beabef0cffaa1e Jinjie Ruan 2026-06-29 @303 for (i = 0; i < crashk_cma_cnt; ++i) {
5beabef0cffaa1e Jinjie Ruan 2026-06-29 304 ret = crash_exclude_mem_range(cmem, crashk_cma_ranges[i].start,
5beabef0cffaa1e Jinjie Ruan 2026-06-29 305 crashk_cma_ranges[i].end);
5beabef0cffaa1e Jinjie Ruan 2026-06-29 306 if (ret)
5beabef0cffaa1e Jinjie Ruan 2026-06-29 307 return ret;
5beabef0cffaa1e Jinjie Ruan 2026-06-29 308 }
5beabef0cffaa1e Jinjie Ruan 2026-06-29 309
5beabef0cffaa1e Jinjie Ruan 2026-06-29 310 return 0;
5beabef0cffaa1e Jinjie Ruan 2026-06-29 311 }
5beabef0cffaa1e Jinjie Ruan 2026-06-29 312
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-07-02 6:26 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202607021410.VIPCVui0-lkp@intel.com \
--to=lkp@intel.com \
--cc=error27@gmail.com \
--cc=oe-kbuild@lists.linux.dev \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.