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| author | Joshua Rogers <linux@joshua.hu> | 2025-11-07 00:09:37 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-11-13 15:37:46 -0500 |
| commit | c43fe1e6d79d971f36e309ba63e0a2a394638c61 (patch) | |
| tree | fae1b7b86adb2e397c6f2eee7eba5556a6de3ebe /tools/perf/scripts/python/stackcollapse.py | |
| parent | 62e15fd31c9e22dab53abffe69aa115614dfb112 (diff) | |
smb: client: validate change notify buffer before copy
commit 4012abe8a78fbb8869634130024266eaef7081fe upstream.
SMB2_change_notify called smb2_validate_iov() but ignored the return
code, then kmemdup()ed using server provided OutputBufferOffset/Length.
Check the return of smb2_validate_iov() and bail out on error.
Discovered with help from the ZeroPath security tooling.
Signed-off-by: Joshua Rogers <linux@joshua.hu>
Reviewed-by: Paulo Alcantara (Red Hat) <pc@manguebit.org>
Cc: stable@vger.kernel.org
Fixes: e3e9463414f61 ("smb3: improve SMB3 change notification support")
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions