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: <ZRcIdBOnpNyCQ4qh@bfoster> Date: Fri, 29 Sep 2023 13:25:08 -0400 From: Brian Foster <bfoster@...hat.com> To: syzbot <syzbot+307da6ca5cb0d01d581a@...kaller.appspotmail.com> Cc: linux-ext4@...r.kernel.org, syzkaller-bugs@...glegroups.com Subject: Re: [syzbot] [ext4?] WARNING in ext4_iomap_begin (2) #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 6830ea3a6c59..cad659c2e9cc 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -537,6 +537,9 @@ static ssize_t ext4_dio_write_iter(struct kiocb *iocb, struct iov_iter *from) bool ilock_shared = true; int dio_flags = 0; + if (ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)) + ilock_shared = false; + /* * Quick check here without any i_rwsem lock to see if it is extending * IO. A more reliable check is done in ext4_dio_write_checks() with
Powered by blists - more mailing lists