On 6/5/2012 1:14 PM, ml wrote: > hello doctor > hello honorable > > I work on a small project in c. > this my code > https://github.com/fakessh/openprojectssl/blob/master/smtp_openssl.c > > I am confronted with problems of execution on different machines > on centos 6 no problem > on centos 5 crash > Here the trace > > *** glibc detected *** ./smtp_openssl: free(): corrupted unsorted > chunks: 0x08064998 *** > *** glibc detected *** ./smtp_openssl: malloc(): memory corruption: > 0x080682b0 *** > ======= Backtrace: ========= > /lib/libc.so.6[0x4c899c1d] > /lib/libc.so.6(__libc_malloc+0x67)[0x4c89b7d7] > /lib/ld-linux.so.2[0x4c81a3dd] > /lib/ld-linux.so.2[0x4c823c11] > /lib/ld-linux.so.2[0x4c81ffc6] > /lib/ld-linux.so.2[0x4c823612] > /lib/libc.so.6[0x4c938432] > /lib/ld-linux.so.2[0x4c81ffc6] > /lib/libc.so.6(__libc_dlopen_mode+0x55)[0x4c9385e5] > /lib/libc.so.6[0x4c9151b9] > /lib/libc.so.6(backtrace+0xf3)[0x4c915353] > /lib/libc.so.6[0x4c890be1] > /lib/libc.so.6[0x4c898ee5] > /lib/libc.so.6(cfree+0x59)[0x4c899329] > /lib/libcrypto.so.6(CRYPTO_free+0x3a)[0x4a683d6a] > /lib/libcrypto.so.6[0x4a61994b] > /lib/libcrypto.so.6(BIO_free+0xc1)[0x4a609f81] > /lib/libcrypto.so.6(BIO_free_all+0x34)[0x4a609fd4] > ./smtp_openssl[0x8048e2a] > ./smtp_openssl[0x8049409] > ./smtp_openssl[0x8049684] > /lib/libc.so.6(__libc_start_main+0xdc)[0x4c846e9c] > ./smtp_openssl[0x8048b21] > ======= Memory map: ======== > 08048000-0804a000 r-xp 00000000 08:03 > 45932551 /home/fakessh/smtp_openssl > 0804a000-0804b000 rw-p 00001000 08:03 > 45932551 /home/fakessh/smtp_openssl > 0804b000-0806c000 rw-p 00000000 00:00 0 [heap] > 459be000-459c9000 r-xp 00000000 08:01 > 5669552 /lib/libgcc_s-4.1.2-20080825.so.1 > 459c9000-459ca000 rw-p 0000a000 08:01 > 5669552 /lib/libgcc_s-4.1.2-20080825.so.1 > 4a5b1000-4a6db000 r-xp 00000000 08:01 > 5669614 /lib/libcrypto.so.0.9.8e > 4a6db000-4a6ef000 rw-p 00129000 08:01 > 5669614 /lib/libcrypto.so.0.9.8e > 4a6ef000-4a6f2000 rw-p 00000000 00:00 0 > 4a6f4000-4a738000 r-xp 00000000 08:01 5669617 /lib/libssl.so.0.9.8e > 4a738000-4a73c000 rw-p 00043000 08:01 5669617 /lib/libssl.so.0.9.8e > 4c812000-4c82d000 r-xp 00000000 08:01 5668866 /lib/ld-2.5.so > 4c82d000-4c82e000 r--p 0001a000 08:01 5668866 /lib/ld-2.5.so > 4c82e000-4c82f000 rw-p 0001b000 08:01 5668866 /lib/ld-2.5.so > 4c831000-4c983000 r-xp 00000000 08:01 5669439 /lib/libc-2.5.so > 4c983000-4c984000 ---p 00152000 08:01 5669439 /lib/libc-2.5.so > 4c984000-4c986000 r--p 00152000 08:01 5669439 /lib/libc-2.5.so > 4c986000-4c987000 rw-p 00154000 08:01 5669439 /lib/libc-2.5.so > 4c987000-4c98a000 rw-p 00000000 00:00 0 > 4c9b7000-4c9c9000 r-xp 00000000 08:01 5669771 /lib/libz.so.1.2.3 > 4c9c9000-4c9ca000 rw-p 00011000 08:01 5669771 /lib/libz.so.1.2.3 > 4c9cc000-4c9cf000 r-xp 00000000 08:01 5669594 /lib/libdl-2.5.so > 4c9cf000-4c9d0000 r--p 00002000 08:01 5669594 /lib/libdl-2.5.so > 4c9d0000-4c9d1000 rw-p 00003000 08:01 5669594 /lib/libdl-2.5.so > 4c9ef000-4ca05000 r-xp 00000000 08:01 5669736 /lib/libselinux.so.1 > 4ca05000-4ca07000 rw-p 00015000 08:01 5669736 /lib/libselinux.so.1 > 4ca09000-4ca44000 r-xp 00000000 08:01 5669665 /lib/libsepol.so.1 > 4ca44000-4ca45000 rw-p 0003b000 08:01 5669665 /lib/libsepol.so.1 > 4ca45000-4ca4f000 rw-p 00000000 00:00 0 > 4ca51000-4ca62000 r-xp 00000000 08:01 5669591 /lib/libresolv-2.5.so > 4ca62000-4ca63000 r--p 00010000 08:01 5669591 /lib/libresolv-2.5.so > 4ca63000-4ca64000 rw-p 00011000 08:01 5669591 /lib/libresolv-2.5.so > 4ca64000-4ca66000 rw-p 00000000 00:00 0 > 4cbea000-4cbec000 r-xp 00000000 08:01 5669750 /lib/libcom_err.so.2.1 > 4cbec000-4cbed000 rw-p 00001000 08:01 5669750 /lib/libcom_err.so.2.1 > 4cbef000-4cc15000 r-xp 00000000 08:01 > 6170613 /usr/lib/libk5crypto.so.3.1 > 4cc15000-4cc16000 rw-p 00025000 08:01 > 6170613 /usr/lib/libk5crypto.so.3.1 > 4cc33000-4cc3b000 r-xp 00000000 08:01 > 6170581 /usr/lib/libkrb5support.so.0.1 > 4cc3b000-4cc3c000 rw-p 00007000 08:01 > 6170581 /usr/lib/libkrb5support.so.0.1 > 4cc3e000-4cc6b000 r-xp 00000000 08:01 > 6170863 /usr/lib/libgssapi_krb5.so.2.2 > 4cc6b000-4cc6c000 rw-p 0002d000 08:01 > 6170863 /usr/lib/libgssapi_krb5.so.2.2 > 4cc6e000-4cd02000 r-xp 00000000 08:01 6170784 /usr/lib/libkrb5.so.3.3 > 4cd02000-4cd05000 rw-p 00093000 08:01 6170784 /usr/lib/libkrb5.so.3.3 > 4cd07000-4cd09000 r-xp 00000000 08:01 5669639 /lib/libkeyutils-1.2.so > 4cd09000-4cd0a000 rw-p 00001000 08:01 5669639 /lib/libkeyutils-1.2.so > b7700000-b7721000 rw-p 00000000 00:00 0 > b7721000-b7800000 ---p 00000000 00:00 0 > b7823000-b7827000 r-xp 00000000 08:01 5669630 /lib/libnss_dns-2.5.so > b7827000-b7828000 r--p 00003000 08:01 5669630 /lib/libnss_dns-2.5.so > b7828000-b7829000 rw-p 00004000 08:01 5669630 /lib/libnss_dns-2.5.so > b7829000-b7833000 r-xp 00000000 08:01 > 5669632 /lib/libnss_files-2.5.so > b7833000-b7834000 r--p 00009000 08:01 > 5669632 /lib/libnss_files-2.5.so > b7834000-b7835000 rw-p 0000a000 08:01 > 5669632 /lib/libnss_files-2.5.so > b7835000-b783a000 rw-p 00000000 00:00 0 > b784b000-b784c000 rw-p 00000000 00:00 0 > bfd80000-bfda1000 rw-p 00000000 00:00 0 [stack] > ffffe000-fffff000 r-xp 00000000 00:00 0 [vdso] > Abandon >
Try compiling with -DDEBUG -ggdb -O0 to generate symbols, and if it still fails, then point gdb to the symbols with symbol-file. Look for a tutorial on gdb if you don't know how to debug. Valgrind might also help pinpoint the memory corruption. Joshua Bowman ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager majord...@openssl.org
