lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Message-ID: <20220831105309.hbsyydkusk2w5hob@quack3> Date: Wed, 31 Aug 2022 12:53:09 +0200 From: Jan Kara <jack@...e.cz> To: Zhang Yi <yi.zhang@...wei.com> Cc: linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, cluster-devel@...hat.com, ntfs3@...ts.linux.dev, ocfs2-devel@....oracle.com, reiserfs-devel@...r.kernel.org, jack@...e.cz, tytso@....edu, akpm@...ux-foundation.org, axboe@...nel.dk, viro@...iv.linux.org.uk, rpeterso@...hat.com, agruenba@...hat.com, almaz.alexandrovich@...agon-software.com, mark@...heh.com, dushistov@...l.ru, hch@...radead.org, chengzhihao1@...wei.com, yukuai3@...wei.com Subject: Re: [PATCH 05/14] isofs: replace ll_rw_block() On Wed 31-08-22 15:21:02, Zhang Yi wrote: > ll_rw_block() is not safe for the sync read path because it cannot > guarantee that submitting read IO if the buffer has been locked. We > could get false positive EIO return from zisofs_uncompress_block() if > he buffer has been locked by others. So stop using ll_rw_block(), > switch to sync helper instead. > > Signed-off-by: Zhang Yi <yi.zhang@...wei.com> Looks good to me. Feel free to add: Reviewed-by: Jan Kara <jack@...e.cz> Honza > --- > fs/isofs/compress.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/fs/isofs/compress.c b/fs/isofs/compress.c > index b466172eec25..ac35eddff29c 100644 > --- a/fs/isofs/compress.c > +++ b/fs/isofs/compress.c > @@ -82,7 +82,7 @@ static loff_t zisofs_uncompress_block(struct inode *inode, loff_t block_start, > return 0; > } > haveblocks = isofs_get_blocks(inode, blocknum, bhs, needblocks); > - ll_rw_block(REQ_OP_READ, haveblocks, bhs); > + bh_read_batch(bhs, haveblocks); > > curbh = 0; > curpage = 0; > -- > 2.31.1 > -- Jan Kara <jack@...e.com> SUSE Labs, CR
Powered by blists - more mailing lists