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750670341a
linux/fs/ceph
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Luis Henriques 750670341a ceph: fix directories inode i_blkbits initialization 
When filling an inode with info from the MDS, i_blkbits is being
initialized using fl_stripe_unit, which contains the stripe unit in
bytes.  Unfortunately, this doesn't make sense for directories as they
have fl_stripe_unit set to '0'.  This means that i_blkbits will be set
to 0xff, causing an UBSAN undefined behaviour in i_blocksize():

  UBSAN: Undefined behaviour in ./include/linux/fs.h:731:12
  shift exponent 255 is too large for 32-bit type 'int'

Fix this by initializing i_blkbits to CEPH_BLOCK_SHIFT if fl_stripe_unit
is zero.

Signed-off-by: Luis Henriques <lhenriques@suse.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-09-16 12:06:23 +02:00
..
acl.c ceph: rename struct ceph_acls_info to ceph_acl_sec_ctx 2019-07-08 14:01:42 +02:00
addr.c ceph: clear page dirty before invalidate page 2019-08-22 10:47:41 +02:00
cache.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 188 2019-05-30 11:29:21 -07:00
cache.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 188 2019-05-30 11:29:21 -07:00
caps.c ceph: fix buffer free while holding i_ceph_lock in __ceph_build_xattrs_blob() 2019-08-22 10:47:41 +02:00
ceph_frag.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs.c Lots of exciting things this time! 2019-07-18 11:05:25 -07:00
dir.c Merge branch 'work.dcache2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-20 09:15:51 -07:00
export.c ceph: fix warning PTR_ERR_OR_ZERO can be used 2019-07-08 14:01:42 +02:00
file.c Lots of exciting things this time! 2019-07-18 11:05:25 -07:00
inode.c ceph: fix directories inode i_blkbits initialization 2019-09-16 12:06:23 +02:00
ioctl.c libceph, ceph: move ceph_calc_file_object_mapping() to striper.c 2018-04-02 10:12:43 +02:00
ioctl.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig ceph: add selinux support 2019-07-08 14:01:42 +02:00
locks.c ceph: don't try fill file_lock on unsuccessful GETFILELOCK reply 2019-08-22 10:47:41 +02:00
Makefile ceph: quota: add initial infrastructure to support cephfs quotas 2018-04-02 11:17:51 +02:00
mds_client.c ceph: add change_attr field to ceph_inode_info 2019-07-08 14:01:43 +02:00
mds_client.h ceph: add change_attr field to ceph_inode_info 2019-07-08 14:01:43 +02:00
mdsmap.c ceph: have MDS map decoding use entity_addr_t decoder 2019-07-08 14:01:43 +02:00
quota.c ceph: fix infinite loop in get_quota_realm() 2019-07-08 14:01:42 +02:00
snap.c ceph: fix buffer free while holding i_ceph_lock in __ceph_build_xattrs_blob() 2019-08-22 10:47:41 +02:00
strings.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
super.c Lots of exciting things this time! 2019-07-18 11:05:25 -07:00
super.h ceph: fix buffer free while holding i_ceph_lock in __ceph_build_xattrs_blob() 2019-08-22 10:47:41 +02:00
xattr.c ceph: fix buffer free while holding i_ceph_lock in __ceph_build_xattrs_blob() 2019-08-22 10:47:41 +02:00