[tor-bugs] #32060 [- Select a component]: CID 1454761: wrong type passed to unlock_cb_buf()?

Tor Bug Tracker & Wiki blackhole at torproject.org
Mon Oct 14 13:26:46 UTC 2019


#32060: CID 1454761: wrong type passed to unlock_cb_buf()?
--------------------------------------+----------------------------------
     Reporter:  teor                  |      Owner:  teor
         Type:  defect                |     Status:  assigned
     Priority:  Medium                |  Milestone:  Tor: 0.4.2.x-final
    Component:  - Select a component  |    Version:  Tor: 0.4.2.2-alpha
     Severity:  Normal                |   Keywords:  042-must, regression
Actual Points:                        |  Parent ID:
       Points:  0.1                   |   Reviewer:
      Sponsor:                        |
--------------------------------------+----------------------------------
 Maybe it should be `void *cb_buf[]`

 {{{
 CID 1454761:  Incorrect expression  (SIZEOF_MISMATCH)
 /src/lib/err/backtrace.c: 107 in unlock_cb_buf()
 101     }
 102
 103     /** Unlock the static stack pointer buffer. */
 104     static void
 105     unlock_cb_buf(void *cb_buf)
 106     {
    CID 1454761:  Incorrect expression  (SIZEOF_MISMATCH)
    Passing argument "cb_buf" of type "void *" and argument "2048UL /* 256
 * sizeof (void *) */" to function "memset" is suspicious.
 107       memset(cb_buf, 0, SIZEOF_CB_BUF);
 108       pthread_mutex_unlock(&cb_buf_mutex);
 109     }
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32060>
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