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| author | Eric Sandeen <sandeen@redhat.com> | 2021-07-13 17:49:23 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-20 16:17:55 +0200 |
| commit | 3c07d1335d17ae0411101024de438dbc3734e992 (patch) | |
| tree | b87f3ec0e9435f194a37a11f3b35bd3db62ed7d5 /arch | |
| parent | 2ab1c6d3294b08fd51e8bb4b942552167757cdf9 (diff) | |
| download | linux-3c07d1335d17ae0411101024de438dbc3734e992.tar.gz linux-3c07d1335d17ae0411101024de438dbc3734e992.tar.bz2 linux-3c07d1335d17ae0411101024de438dbc3734e992.zip | |
seq_file: disallow extremely large seq buffer allocations
commit 8cae8cd89f05f6de223d63e6d15e31c8ba9cf53b upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
0 files changed, 0 insertions, 0 deletions