The patch titled
Subject: fs, omfs: add NULL terminator in the end up the token list
has been added to the -mm tree. Its filename is
fs-omfs-add-null-terminator-in-the-end-up-the-token-list.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/fs-omfs-add-null-terminator-in-the-end-up-the-token-list.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/fs-omfs-add-null-terminator-in-the-end-up-the-token-list.patch
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------------------------------------------------------
From: Sasha Levin <sasha.levin@xxxxxxxxxx>
Subject: fs, omfs: add NULL terminator in the end up the token list
match_token() expects a NULL terminator at the end of the token list so
that it would know where to stop. Not having one causes it to overrun to
invalid memory.
In practice, passing a mount option that omfs didn't recognize would sometimes
panic the system.
Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
Signed-off-by: Bob Copeland <me@xxxxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/omfs/inode.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN fs/omfs/inode.c~fs-omfs-add-null-terminator-in-the-end-up-the-token-list fs/omfs/inode.c
--- a/fs/omfs/inode.c~fs-omfs-add-null-terminator-in-the-end-up-the-token-list
+++ a/fs/omfs/inode.c
@@ -359,7 +359,7 @@ nomem:
}
enum {
- Opt_uid, Opt_gid, Opt_umask, Opt_dmask, Opt_fmask
+ Opt_uid, Opt_gid, Opt_umask, Opt_dmask, Opt_fmask, Opt_err
};
static const match_table_t tokens = {
@@ -368,6 +368,7 @@ static const match_table_t tokens = {
{Opt_umask, "umask=%o"},
{Opt_dmask, "dmask=%o"},
{Opt_fmask, "fmask=%o"},
+ {Opt_err, NULL},
};
static int parse_options(char *options, struct omfs_sb_info *sbi)
_
Patches currently in -mm which might be from sasha.levin@xxxxxxxxxx are
fs-omfs-add-null-terminator-in-the-end-up-the-token-list.patch
linux-next.patch
do_shared_fault-check-that-mmap_sem-is-held.patch
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