On Thu, Feb 22, 2024 at 01:36:24AM +0900, Ryusuke Konishi wrote: > commit 5124a0a549857c4b87173280e192eea24dea72ad upstream. > > If DAT metadata file block access fails due to corruption of the DAT file > or abnormal virtual block numbers held by b-trees or inodes, a kernel > warning is generated. > > This replaces the WARN_ONs by error output, so that a kernel, booted with > panic_on_warn, does not panic. This patch also replaces the detected > return code -ENOENT with another internal code -EINVAL to notify the bmap > layer of metadata corruption. When the bmap layer sees -EINVAL, it > handles the abnormal situation with nilfs_bmap_convert_error() and finally > returns code -EIO as it should. > > Link: https://lkml.kernel.org/r/0000000000005cc3d205ea23ddcf@xxxxxxxxxx > Link: https://lkml.kernel.org/r/20230126164114.6911-1-konishi.ryusuke@xxxxxxxxx > Signed-off-by: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxx> > Reported-by: <syzbot+5d5d25f90f195a3cfcb4@xxxxxxxxxxxxxxxxxxxxxxxxx> > Tested-by: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxx> > Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > --- > Please use this patch for these versions instead of the patch I asked > you to drop in the previous review comments. > > This replacement patch uses an equivalent call using nilfs_msg() > instead of nilfs_err(), which does not exist in these versions. Now queued up, thanks. greg k-h
