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linux/fs/jfs
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Alexei Filippov 0225e10972 jfs: validate max amount of blocks before allocation. 
The lack of checking bmp->db_max_freebud in extBalloc() can lead to
shift out of bounds, so this patch prevents undefined behavior, because
bmp->db_max_freebud == -1 only if there is no free space.

Signed-off-by: Aleksei Filippov <halip0503@gmail.com>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Reported-and-tested-by: syzbot+5f088f29593e6b4c8db8@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?id=01abadbd6ae6a08b1f1987aa61554c6b3ac19ff2
2023-08-29 12:25:47 -05:00
..
acl.c
fs: port acl to mnt_idmap
2023-01-19 09:24:28 +01:00
file.c
splice: Use filemap_splice_read() instead of generic_file_splice_read()
2023-05-24 08:42:17 -06:00
inode.c
jfs: remove ->writepage
2022-12-11 18:12:18 -08:00
ioctl.c
fs: port ->fileattr_set() to pass mnt_idmap
2023-01-19 09:24:27 +01:00
jfs_acl.h
fs: port ->set_acl() to pass mnt_idmap
2023-01-19 09:24:27 +01:00
jfs_btree.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_debug.c
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
jfs_debug.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_dinode.h
jfs: Avoid field-overflowing memcpy()
2021-06-23 09:21:52 -05:00
jfs_discard.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_discard.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_dmap.c
fs/jfs: prevent double-free in dbUnmount() after failed jfs_remount()
2023-07-18 14:30:55 -05:00
jfs_dmap.h
jfs: Fix array index bounds check in dbAdjTree
2020-11-13 16:03:07 -06:00
jfs_dtree.c
fs/jfs: Remove dead code
2022-04-25 14:00:33 -05:00
jfs_dtree.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_extent.c
jfs: validate max amount of blocks before allocation.
2023-08-29 12:25:47 -05:00
jfs_extent.h
jfs: remove unused declarations for jfs
2022-10-18 08:50:26 -05:00
jfs_filsys.h
jfs: jfs_dmap: Validate db_l2nbperpage while mounting
2023-06-20 12:37:50 -05:00
jfs_imap.c
jfs: fix invalid free of JFS_IP(ipimap)->i_imap in diUnmount
2023-07-18 15:50:04 -05:00
jfs_imap.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_incore.h
jfs: Avoid field-overflowing memcpy()
2021-06-23 09:21:52 -05:00
jfs_inode.c
fs: port inode_init_owner() to mnt_idmap
2023-01-19 09:24:28 +01:00
jfs_inode.h
fs: port ->fileattr_set() to pass mnt_idmap
2023-01-19 09:24:27 +01:00
jfs_lock.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_logmgr.c
block: replace fmode_t with a block-specific type for block open flags
2023-06-12 08:04:05 -06:00
jfs_logmgr.h
jfs: delete duplicated words + other fixes
2020-11-13 13:36:00 -06:00
jfs_metapage.c
mm,jfs: move write_one_page/folio_write_one to jfs
2023-03-12 20:00:42 -04:00
jfs_metapage.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_mount.c
jfs: makes diUnmount/diMount in jfs_mount_rw atomic
2022-11-10 15:22:23 -06:00
jfs_superblock.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_txnmgr.c
FS: JFS: Check for read-only mounted filesystem in txBegin
2023-06-23 09:02:33 -05:00
jfs_txnmgr.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_types.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_umount.c
jfs: Fix a typo in function jfs_umount
2022-11-10 15:08:00 -06:00
jfs_unicode.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_unicode.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_uniupr.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
jfs_xattr.h
fs/jfs/jfs_xattr.h: Fix spelling typo in comment
2022-10-18 08:50:26 -05:00
jfs_xtree.c
fs/jfs: Remove dead code
2022-04-25 14:00:33 -05:00
jfs_xtree.h
jfs: remove unused declarations for jfs
2022-10-18 08:50:26 -05:00
Kconfig
fs: build the legacy direct I/O code conditionally
2023-01-26 10:30:56 -07:00
Makefile
fs/jfs: Remove dead code
2022-04-25 14:00:33 -05:00
namei.c
jfs: remove redundant initialization to pointer ip
2023-08-29 12:20:50 -05:00
resize.c
jfs: use sb_bdev_nr_blocks
2021-10-18 14:43:23 -06:00
super.c
fs/jfs: replace ternary operator with min_t()
2022-10-18 08:50:26 -05:00
symlink.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
xattr.c
fs: drop unused posix acl handlers
2023-03-06 09:57:12 +01:00