Re: [f2fs-dev] [PATCH] f2fs: fix false alarm on invalid block address

[Jaegeuk Kim <jaegeuk@kernel.org>]

Fixed the stable mailing list.

On 05/23, Jaegeuk Kim wrote:
> Hi Greg,
> 
> Could you please consider to cherry-pick this patch in stable-6.9, since
> there are many users suffering from unnecessary fsck runs during boot?
> 
> You can get this from Linus's tree by
> (b864ddb57eb0 "f2fs: fix false alarm on invalid block address")
> 
> Thanks,
> 
> On 05/20, Jaegeuk Kim wrote:
> > f2fs_ra_meta_pages can try to read ahead on invalid block address which is
> > not the corruption case.
> > 
> > Cc: <stable@kernel.org> # v6.9+
> > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=218770
> > Fixes: 31f85ccc84b8 ("f2fs: unify the error handling of f2fs_is_valid_blkaddr")
> > Reviewed-by: Chao Yu <chao@kernel.org>
> > Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
> > ---
> >  fs/f2fs/checkpoint.c | 9 +++++----
> >  1 file changed, 5 insertions(+), 4 deletions(-)
> > 
> > diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
> > index 5d05a413f451..55d444bec5c0 100644
> > --- a/fs/f2fs/checkpoint.c
> > +++ b/fs/f2fs/checkpoint.c
> > @@ -179,22 +179,22 @@ static bool __f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
> >  		break;
> >  	case META_SIT:
> >  		if (unlikely(blkaddr >= SIT_BLK_CNT(sbi)))
> > -			goto err;
> > +			goto check_only;
> >  		break;
> >  	case META_SSA:
> >  		if (unlikely(blkaddr >= MAIN_BLKADDR(sbi) ||
> >  			blkaddr < SM_I(sbi)->ssa_blkaddr))
> > -			goto err;
> > +			goto check_only;
> >  		break;
> >  	case META_CP:
> >  		if (unlikely(blkaddr >= SIT_I(sbi)->sit_base_addr ||
> >  			blkaddr < __start_cp_addr(sbi)))
> > -			goto err;
> > +			goto check_only;
> >  		break;
> >  	case META_POR:
> >  		if (unlikely(blkaddr >= MAX_BLKADDR(sbi) ||
> >  			blkaddr < MAIN_BLKADDR(sbi)))
> > -			goto err;
> > +			goto check_only;
> >  		break;
> >  	case DATA_GENERIC:
> >  	case DATA_GENERIC_ENHANCE:
> > @@ -228,6 +228,7 @@ static bool __f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
> >  	return true;
> >  err:
> >  	f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
> > +check_only:
> >  	return false;
> >  }
> >  
> > -- 
> > 2.45.0.rc1.225.g2a3ae87e7f-goog


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