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grub/grub-core/fs
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Michael Chang 16607eba81 f2fs: Fix gcc9 error -Werror=maybe-uninitialized 
The function grub_get_node_path() could return uninitialized offset with
level == 0 if the block is greater than direct_index + 2 * direct_blks +
2 * indirect_blks + dindirect_blks. The uninitialized offset is then used
by function grub_f2fs_get_block() because level == 0 is valid and
meaningful return to be processed.

The fix is to set level = -1 as return value by grub_get_node_path() to
signify an error that the input block cannot be handled. Any caller
should therefore check level is negative or not before processing the
output.

Reported-by: Neil MacLeod <neil@nmacleod.com>
Signed-off-by: Michael Chang <mchang@suse.com>
Tested-by: Neil MacLeod <neil@nmacleod.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2020-09-21 20:05:48 -04:00
..
zfs Change fs functions to add fs_ prefix 2020-09-21 20:05:48 -04:00
affs.c Change fs functions to add fs_ prefix 2020-09-21 20:05:48 -04:00
afs.c Leverage BFS implementation to read AFS. 2011-10-30 16:10:18 +01:00
archelp.c archelp: Never pass NULL as mtime. 2015-07-27 13:19:02 +02:00
bfs.c Change fs functions to add fs_ prefix 2020-09-21 20:05:48 -04:00
btrfs.c Change fs functions to add fs_ prefix 2020-09-21 20:05:48 -04:00
cbfs.c Change fs functions to add fs_ prefix 2020-09-21 20:05:48 -04:00
cpio.c Add gcc_struct to all packed structures when compiling with mingw. 2013-12-15 14:14:30 +01:00
cpio_be.c Add gcc_struct to all packed structures when compiling with mingw. 2013-12-15 14:14:30 +01:00
cpio_common.c cpio: Disable gcc9 -Waddress-of-packed-member 2020-09-21 20:05:48 -04:00
exfat.c exfat reader 2011-04-11 18:13:00 +02:00
ext2.c Change fs functions to add fs_ prefix 2020-09-21 20:05:48 -04:00
f2fs.c f2fs: Fix gcc9 error -Werror=maybe-uninitialized 2020-09-21 20:05:48 -04:00
fat.c Change fs functions to add fs_ prefix 2020-09-21 20:05:48 -04:00
fshelp.c fshelp: Add handling of "." and ".." and grub_fshelp_find_file_lookup. 2015-07-27 12:45:35 +02:00
hfs.c Change fs functions to add fs_ prefix 2020-09-21 20:05:48 -04:00
hfsplus.c hfsplus: Fix gcc9 error with -Waddress-of-packed-member 2020-09-21 20:05:48 -04:00
hfspluscomp.c Make grub_zlib_decompress handle incomplete chunks. 2013-12-18 23:39:49 +01:00
iso9660.c Change fs functions to add fs_ prefix 2020-09-21 20:05:48 -04:00
jfs.c jfs: Disable gcc9 -Waddress-of-packed-member 2020-09-21 20:05:48 -04:00
minix.c Change fs functions to add fs_ prefix 2020-09-21 20:05:48 -04:00
minix2.c Split minix.mod into minix.mod and minix2.mod. 2010-09-08 19:13:48 +02:00
minix2_be.c Handle big-endian minixfs (fixes minixfs tests on bigendian). 2012-04-01 21:35:18 +02:00
minix3.c minix3fs support 2011-04-11 08:16:13 +02:00
minix3_be.c Handle big-endian minixfs (fixes minixfs tests on bigendian). 2012-04-01 21:35:18 +02:00
minix_be.c Handle big-endian minixfs (fixes minixfs tests on bigendian). 2012-04-01 21:35:18 +02:00
newc.c Add gcc_struct to all packed structures when compiling with mingw. 2013-12-15 14:14:30 +01:00
nilfs2.c Change fs functions to add fs_ prefix 2020-09-21 20:05:48 -04:00
ntfs.c Change fs functions to add fs_ prefix 2020-09-21 20:05:48 -04:00
ntfscomp.c Fix warnings when compiling with -O3 2016-02-17 17:56:41 +01:00
odc.c Add gcc_struct to all packed structures when compiling with mingw. 2013-12-15 14:14:30 +01:00
proc.c Change fs functions to add fs_ prefix 2020-09-21 20:05:48 -04:00
reiserfs.c Change fs functions to add fs_ prefix 2020-09-21 20:05:48 -04:00
romfs.c Change fs functions to add fs_ prefix 2020-09-21 20:05:48 -04:00
sfs.c Change fs functions to add fs_ prefix 2020-09-21 20:05:48 -04:00
squash4.c Change fs functions to add fs_ prefix 2020-09-21 20:05:48 -04:00
tar.c Change fs functions to add fs_ prefix 2020-09-21 20:05:48 -04:00
udf.c Change fs functions to add fs_ prefix 2020-09-21 20:05:48 -04:00
ufs.c Change fs functions to add fs_ prefix 2020-09-21 20:05:48 -04:00
ufs2.c automake commit without merge history 2010-05-06 11:34:04 +05:30
ufs_be.c Support big-endian UFS1. 2012-12-08 20:56:58 +01:00
xfs.c Change fs functions to add fs_ prefix 2020-09-21 20:05:48 -04:00