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Andreas Gruenbacher d3c51c55cb gfs2: Fix underflow in gfs2_page_mkwrite 
On filesystems with a block size smaller than PAGE_SIZE and non-empty
files smaller then PAGE_SIZE, gfs2_page_mkwrite could end up allocating
excess blocks beyond the end of the file, similar to fallocate.  This
doesn't make sense; fix it.

Reported-by: Bob Peterson <rpeterso@redhat.com>
Fixes: 184b4e60853d ("gfs2: Fix end-of-file handling in gfs2_page_mkwrite")
Cc: stable@vger.kernel.org # v5.5+
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
2021-06-28 14:13:38 +02:00
..
acl.c
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
acl.h
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
aops.c
gfs2: Fix a number of kernel-doc warnings
2021-04-09 22:14:13 +02:00
aops.h
gfs2: mark stuffed_readpage static
2019-07-03 14:45:18 +02:00
bmap.c
gfs2: Fix a number of kernel-doc warnings
2021-04-09 22:14:13 +02:00
bmap.h
gfs2: Replace gfs2_lblk_to_dblk with gfs2_get_extent
2021-04-03 21:38:12 +02:00
dentry.c
gfs2: untangle the logic in gfs2_drevalidate
2019-09-03 09:42:41 +02:00
dir.c
gfs2: Turn gfs2_extent_map into gfs2_{get,alloc}_extent
2021-04-03 21:38:11 +02:00
dir.h
gfs2: Delete an unnecessary check before brelse()
2019-09-04 20:22:17 +02:00
export.c
gfs2: Minor gfs2_lookup_by_inum cleanup
2020-06-05 20:19:21 +02:00
file.c
gfs2: Fix underflow in gfs2_page_mkwrite
2021-06-28 14:13:38 +02:00
gfs2.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398
2019-06-05 17:37:12 +02:00
glock.c
gfs2: Use list_move_tail instead of list_del/list_add_tail
2021-06-28 14:13:38 +02:00
glock.h
gfs2: Allow node-wide exclusive glock sharing
2021-02-17 19:30:28 +01:00
glops.c
gfs2: Fix I_NEW check in gfs2_dinode_in
2021-05-20 13:31:37 +02:00
glops.h
gfs2: Split up gfs2_meta_sync into inode and rgrp versions
2020-10-29 22:16:46 +01:00
incore.h
gfs2: Remove unused variable sb_format
2021-04-03 21:38:11 +02:00
inode.c
Changes in gfs2:
2021-04-29 10:33:35 -07:00
inode.h
Changes in gfs2:
2021-04-29 10:33:35 -07:00
Kconfig
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
lock_dlm.c
gfs2: Fix a number of kernel-doc warnings
2021-04-09 22:14:13 +02:00
log.c
gfs2: Clean up revokes on normal withdraws
2021-05-20 13:31:37 +02:00
log.h
gfs2: Clean up revokes on normal withdraws
2021-05-20 13:31:37 +02:00
lops.c
gfs2: Clean up revokes on normal withdraws
2021-05-20 13:31:37 +02:00
lops.h
gfs2: Clean up revokes on normal withdraws
2021-05-20 13:31:37 +02:00
main.c
gfs2: amend SLAB_RECLAIM_ACCOUNT on gfs2 related slab cache
2021-01-22 12:19:17 -05:00
Makefile
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
meta_io.c
gfs2: Fix a number of kernel-doc warnings
2021-04-09 22:14:13 +02:00
meta_io.h
gfs2: Turn gfs2_meta_indirect_buffer into gfs2_meta_buffer
2021-04-03 21:38:12 +02:00
ops_fstype.c
gfs2: Fix a number of kernel-doc warnings
2021-04-09 22:14:13 +02:00
quota.c
gfs2: Fix a number of kernel-doc warnings
2021-04-09 22:14:13 +02:00
quota.h
gfs2: move privileged user check to gfs2_quota_lock_check
2020-05-08 18:47:58 +02:00
recovery.c
gfs2: Fix fall-through warnings for Clang
2021-04-20 22:38:21 +02:00
recovery.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398
2019-06-05 17:37:12 +02:00
rgrp.c
gfs2: Fix a number of kernel-doc warnings
2021-04-09 22:14:13 +02:00
rgrp.h
gfs2: Add local resource group locking
2021-02-17 19:30:28 +01:00
super.c
gfs2: Fix a number of kernel-doc warnings
2021-04-09 22:14:13 +02:00
super.h
gfs2: make function gfs2_make_fs_ro() to void type
2021-03-07 17:04:55 +01:00
sys.c
gfs2: Add new sysfs file for gfs2 status
2021-04-08 15:07:21 +02:00
sys.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398
2019-06-05 17:37:12 +02:00
trace_gfs2.h
gfs2: Add per-reservation reserved block accounting
2021-02-17 19:30:26 +01:00
trans.c
gfs2: fix use-after-free in trans_drain
2021-03-07 17:04:55 +01:00
trans.h
Merge branches 'rgrp-glock-sharing' and 'gfs2-revoke' from https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git
2021-02-23 18:54:22 +01:00
util.c
gfs2: Clean up revokes on normal withdraws
2021-05-20 13:31:37 +02:00
util.h
gfs2: Add common helper for holding and releasing the freeze glock
2020-12-23 00:54:13 +01:00
xattr.c
gfs2: Fix a number of kernel-doc warnings
2021-04-09 22:14:13 +02:00
xattr.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398
2019-06-05 17:37:12 +02:00