Return-Path: From: Marcel Holtmann To: BlueZ development In-Reply-To: <1202409142.3491.60.camel@cookie.hadess.net> References: <1202251232.15090.147.camel@violet> <1202409142.3491.60.camel@cookie.hadess.net> Date: Thu, 07 Feb 2008 19:54:15 +0100 Message-Id: <1202410455.15090.259.camel@violet> Mime-Version: 1.0 Subject: Re: [Bluez-devel] sdp_extract_pdu *** stack smashing detected *** Reply-To: BlueZ development List-Id: BlueZ development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Sender: bluez-devel-bounces@lists.sourceforge.net Errors-To: bluez-devel-bounces@lists.sourceforge.net Hi Bastien, > > I create a small test in C bluez-sdp-tests.c > > Source code there: http://snapshot.bluecove.org/bluecove-gpl/bluez/test/ > > > > If the SDP binary size is 258 bytes still works OK. > > But when I make it bigger call to sdp_gen_record_pdu will crash. > > Works fine here, no errors from valgrind either. You might want to > upgrade your bluez-libs... a Fedora 8 with an older bluez-libs indeed crashes: --- start testing SDP convenrsions --- create SEQ of 126 elements call sdp_attr_add call sdp_gen_record_pdu *** stack smashing detected ***: ./bluez-sdp-tests terminated ======= Backtrace: ========= /lib/libc.so.6(__fortify_fail+0x6c)[0xf2edf7c] /lib/libc.so.6[0xf2edf08] /usr/lib/libbluetooth.so.2(_savefpr_14+0x0)[0xffa28b4] /usr/lib/libbluetooth.so.2[0xffa140c] /usr/lib/libbluetooth.so.2[0xffa1440] /usr/lib/libbluetooth.so.2(sdp_gen_record_pdu+0x7c)[0xff9d66c] ./bluez-sdp-tests[0x10001880] ./bluez-sdp-tests[0x100019b0] /lib/libc.so.6[0xf1fe56c] /lib/libc.so.6[0xf1fe73c] ======= Memory map: ======== 00100000-00103000 r-xp 00100000 00:00 0 [vdso] 0f1e0000-0f35f000 r-xp 00000000 03:03 1081363 /lib/libc-2.7.so 0f35f000-0f36c000 ---p 0017f000 03:03 1081363 /lib/libc-2.7.so 0f36c000-0f370000 r--p 0018c000 03:03 1081363 /lib/libc-2.7.so 0f370000-0f371000 rw-p 00190000 03:03 1081363 /lib/libc-2.7.so 0f371000-0f374000 rw-p 0f371000 00:00 0 0ff90000-0ffa9000 r-xp 00000000 03:03 2894543 /usr/lib/libbluetooth.so.2.9.0 0ffa9000-0ffb8000 ---p 00019000 03:03 2894543 /usr/lib/libbluetooth.so.2.9.0 0ffb8000-0ffba000 rw-p 00018000 03:03 2894543 /usr/lib/libbluetooth.so.2.9.0 0ffc0000-0ffe0000 r-xp 00000000 03:03 1081360 /lib/ld-2.7.so 0ffef000-0fff0000 r--p 0002f000 03:03 1081360 /lib/ld-2.7.so 0fff0000-0fff1000 rw-p 00030000 03:03 1081360 /lib/ld-2.7.so 10000000-10003000 r-xp 00000000 03:06 3604654 /home/holtmann/bluez-sdp-tests 10012000-10013000 rw-p 00002000 03:06 3604654 /home/holtmann/bluez-sdp-tests 10013000-10034000 rwxp 10013000 00:00 0 [heap] 30013000-30016000 rw-p 30013000 00:00 0 7fa30000-7fa45000 rw-p 7ffeb000 00:00 0 [stack] Aborted However installing the bluez-libs-3.25 I don't see it anymore: --- start testing SDP convenrsions --- create SEQ of 126 elements call sdp_attr_add call sdp_gen_record_pdu pdu.data_size 260 call sdp_extract_pdu pdu scanned 260 OK --- tests finished --- Regards Marcel ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Bluez-devel mailing list Bluez-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bluez-devel