| commit | 8cae8cd89f05f6de223d63e6d15e31c8ba9cf53b | [log] [tgz] |
|---|---|---|
| author | Eric Sandeen <sandeen@redhat.com> | Tue Jul 13 17:49:23 2021 +0200 |
| committer | Linus Torvalds <torvalds@linux-foundation.org> | Mon Jul 19 17:18:48 2021 -0700 |
| tree | ce4ab88a4716617571135afcb7728f33739244a3 | |
| parent | 2734d6c1b1a089fb593ef6a23d4b70903526fe0c [diff] |
seq_file: disallow extremely large seq buffer allocations
There is no reasonable need for a buffer larger than this, and it avoids
int overflow pitfalls.
Fixes: 058504edd026 ("fs/seq_file: fallback to vmalloc allocation")
Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Reported-by: Qualys Security Advisory <qsa@qualys.com>
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>