smb/server: fix null-ptr-deref in ksmbd_ipc_tree_connect_request()

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See the procedure below:

  ksmbd_tree_conn_connect
    ksmbd_share_config_get
      share->name = kstrdup() // fail
      if (!test_share_config_flag(share, KSMBD_SHARE_FLAG_PIPE)) // false
      // do not check `share->name`
    ksmbd_ipc_tree_connect_request
      strlen(share->name) // null-ptr-deref

Fixes: e2f34481b2 ("cifsd: add server-side procedures for SMB3")
Signed-off-by: ZhangGuoDong <zhangguodong@kylinos.cn>
Reviewed-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>

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ZhangGuoDong 2026-07-31 11:50:03 +00:00 • committed by Namjae Jeon

parent 6eac877e0e

commit d2ccf905f4

1 changed files with 6 additions and 1 deletions

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fs/smb/server/mgmt/share_config.c

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