* Re: [PATCH v2] ocfs2: fix use-after-free in ocfs2_fault() when VM_FAULT_RETRY
[not found] <JH0PR06MB66325344CF84BBC38B2973C38950A@JH0PR06MB6632.apcprd06.prod.outlook.com>
@ 2026-04-03 16:50 ` kernel test robot
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From: kernel test robot @ 2026-04-03 16:50 UTC (permalink / raw)
To: tejas bharambe, ocfs2-devel@lists.linux.dev
Cc: llvm, oe-kbuild-all, mark@fasheh.com, jlbec@evilplan.org,
linux-kernel@vger.kernel.org,
syzbot+a49010a0e8fcdeea075f@syzkaller.appspotmail.com, Joseph Qi
Hi tejas,
kernel test robot noticed the following build errors:
[auto build test ERROR on brauner-vfs/vfs.all]
[also build test ERROR on linus/master v7.0-rc6]
[cannot apply to next-20260403]
[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/tejas-bharambe/ocfs2-fix-use-after-free-in-ocfs2_fault-when-VM_FAULT_RETRY/20260403-161805
base: https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git vfs.all
patch link: https://lore.kernel.org/r/JH0PR06MB66325344CF84BBC38B2973C38950A%40JH0PR06MB6632.apcprd06.prod.outlook.com
patch subject: [PATCH v2] ocfs2: fix use-after-free in ocfs2_fault() when VM_FAULT_RETRY
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20260403/202604031809.3cnzRidc-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260403/202604031809.3cnzRidc-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/oe-kbuild-all/202604031809.3cnzRidc-lkp@intel.com/
All errors (new ones prefixed by >>):
>> fs/ocfs2/mmap.c:41:28: error: use of undeclared identifier 'inode'
41 | trace_ocfs2_fault(OCFS2_I(inode)->ip_blkno,
| ^
1 error generated.
vim +/inode +41 fs/ocfs2/mmap.c
29
30
31 static vm_fault_t ocfs2_fault(struct vm_fault *vmf)
32 {
33 struct vm_area_struct *vma = vmf->vma;
34 sigset_t oldset;
35 vm_fault_t ret;
36
37 ocfs2_block_signals(&oldset);
38 ret = filemap_fault(vmf);
39 ocfs2_unblock_signals(&oldset);
40
> 41 trace_ocfs2_fault(OCFS2_I(inode)->ip_blkno,
42 vmf->page, vmf->pgoff);
43 return ret;
44 }
45
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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