ksmbd: fix racy issue from session lookup and expire

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commit b95629435b upstream.

Increment the session reference count within the lock for lookup to avoid
racy issue with session expire.

Cc: stable@vger.kernel.org
Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-25737
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Namjae Jeon 2024-12-05 21:38:47 +09:00 • committed by Greg Kroah-Hartman

parent 9245459a99

commit 37a0e2b362

4 changed files with 23 additions and 16 deletions

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2

fs/smb/server/auth.c

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6

fs/smb/server/mgmt/user_session.c

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4

fs/smb/server/server.c

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27

fs/smb/server/smb2pdu.c

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