ksmbd: fix use-after-free in smb_break_all_levII_oplock()

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There is a room in smb_break_all_levII_oplock that can cause racy issues
when unlocking in the middle of the loop. This patch use read lock
to protect whole loop.

Cc: stable@vger.kernel.org
Reported-by: Norbert Szetei <norbert@doyensec.com>
Tested-by: Norbert Szetei <norbert@doyensec.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>

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Namjae Jeon 2025-04-15 09:30:21 +09:00 • committed by Steve French

parent 21a4e47578

commit 18b4fac5ef

2 changed files with 9 additions and 21 deletions

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29

fs/smb/server/oplock.c

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1

fs/smb/server/oplock.h

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