diff options
| author | Oleg Nesterov <[email protected]> | 2017-10-03 16:15:51 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2017-10-03 17:54:25 -0700 |
| commit | eb23aa0317eb1f08e8d9d36b8753d42f03b32764 (patch) | |
| tree | 92eb799dc3666380cd217f8bc240177c5c02a537 | |
| parent | 83f918274e4b841d6fb817861ea0c896fba0c179 (diff) | |
exec: binfmt_misc: remove the confusing e->interp_file != NULL checks
If MISC_FMT_OPEN_FILE flag is set e->interp_file must be valid or we
have a bug which should not be silently ignored.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Oleg Nesterov <[email protected]>
Acked-by: Kees Cook <[email protected]>
Cc: Al Viro <[email protected]>
Cc: Ben Woodard <[email protected]>
Cc: James Bottomley <[email protected]>
Cc: Jim Foraker <[email protected]>
Cc: <[email protected]>
Cc: Travis Gummels <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | fs/binfmt_misc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c index 203598ccb40a..babfe7bd56f0 100644 --- a/fs/binfmt_misc.c +++ b/fs/binfmt_misc.c @@ -205,7 +205,7 @@ static int load_misc_binary(struct linux_binprm *bprm) if (retval < 0) goto error; - if (fmt->flags & MISC_FMT_OPEN_FILE && fmt->interp_file) { + if (fmt->flags & MISC_FMT_OPEN_FILE) { interp_file = filp_clone_open(fmt->interp_file); if (!IS_ERR(interp_file)) deny_write_access(interp_file); @@ -596,7 +596,7 @@ static void bm_evict_inode(struct inode *inode) { Node *e = inode->i_private; - if ((e->flags & MISC_FMT_OPEN_FILE) && e->interp_file) + if (e->flags & MISC_FMT_OPEN_FILE) filp_close(e->interp_file, NULL); clear_inode(inode); |