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From: Ammar Faizi <[email protected]>
To: Jens Axboe <[email protected]>
Cc: Ammar Faizi <[email protected]>,
	Vitaly Chikunov <[email protected]>,
	Fernanda Ma'rouf <[email protected]>,
	Kanna Scarlet <[email protected]>,
	io-uring Mailing List <[email protected]>,
	GNU/Weeb Mailing List <[email protected]>
Subject: [PATCH liburing v1 08/10] test/232c93d07b74: Fix reading from uninitialized buffer
Date: Wed, 10 Aug 2022 07:31:57 +0700	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

From: Ammar Faizi <[email protected]>

Fix this:

  ==2255860== Thread 2:
  ==2255860== Conditional jump or move depends on uninitialised value(s)
  ==2255860==    at 0x10A073: rcv (232c93d07b74.c:150)
  ==2255860==    by 0x490EB42: start_thread (pthread_create.c:442)
  ==2255860==    by 0x499FBB3: clone (clone.S:100)
  ==2255860==
  ==2255860== Conditional jump or move depends on uninitialised value(s)
  ==2255860==    at 0x10A0B6: rcv (232c93d07b74.c:150)
  ==2255860==    by 0x490EB42: start_thread (pthread_create.c:442)
  ==2255860==    by 0x499FBB3: clone (clone.S:100)

Link: https://github.com/axboe/liburing/issues/640
Reported-by: Vitaly Chikunov <[email protected]>
Signed-off-by: Ammar Faizi <[email protected]>
---
 test/232c93d07b74.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/232c93d07b74.c b/test/232c93d07b74.c
index c99491f..4dc12c1 100644
--- a/test/232c93d07b74.c
+++ b/test/232c93d07b74.c
@@ -121,7 +121,7 @@ static void *rcv(void *arg)
 	int done = 0;
 
 	while (!done && bytes_read != 33) {
-		char buff[RECV_BUFF_SIZE];
+		char buff[RECV_BUFF_SIZE] = { };
 		struct iovec iov;
 
 		iov.iov_base = buff;
-- 
Ammar Faizi


  parent reply	other threads:[~2022-08-10  0:32 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-10  0:31 [PATCH liburing v1 00/10] liburing test fixes Ammar Faizi
2022-08-10  0:31 ` [PATCH liburing v1 01/10] test/cq-overflow: Don't call `io_uring_queue_exit()` if the ring is not initialized Ammar Faizi
2022-08-10  0:31 ` [PATCH liburing v1 02/10] test/eeed8b54e0df: Initialize the `malloc()`ed buffer before `write()` Ammar Faizi
2022-08-10  0:31 ` [PATCH liburing v1 03/10] test/file-verify: Fix reading from uninitialized buffer Ammar Faizi
2022-08-10  0:31 ` [PATCH liburing v1 04/10] test/fixed-reuse: Fix reading from uninitialized array Ammar Faizi
2022-08-10  0:31 ` [PATCH liburing v1 05/10] test/fpos: Fix reading from uninitialized buffer Ammar Faizi
2022-08-10  0:31 ` [PATCH liburing v1 06/10] test/statx: " Ammar Faizi
2022-08-10  0:31 ` [PATCH liburing v1 07/10] test/submit-link-fail: Initialize the buffer before `write()` Ammar Faizi
2022-08-10  0:31 ` Ammar Faizi [this message]
2022-08-10  0:31 ` [PATCH liburing v1 09/10] test/eventfd-disable: Fix reading uninitialized variable Ammar Faizi
2022-08-10  0:31 ` [PATCH liburing v1 10/10] test/file-register: Fix reading from uninitialized buffer Ammar Faizi
2022-08-10 13:03 ` [PATCH liburing v1 00/10] liburing test fixes Jens Axboe

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