On Tue, 2009-04-14 at 09:00 +0800, Guo Hongruan wrote: > attachment is the patch file
I had already applied this yesterday. Thanks. Regards-- Subrata > > On Mon, 13 Apr 2009 22:38:00 +0800, Subrata Modak > <[email protected]> wrote: > > > On Mon, 2009-04-13 at 09:22 +0800, Guo Hongruan wrote: > >> How to reproduce this bug: > >> > >> ./clone07 -i 19 > > > > I can produce this. > > > > Before Patching: > > > > $ ./clone07 -i 19 > > *** glibc detected *** ./testcases/bin/clone07: double free or > > corruption (top): 0x08dda008 *** > > ======= Backtrace: ========= > > /lib/libc.so.6[0xb3db16] > > /lib/libc.so.6(cfree+0x90)[0xb41030] > > ./testcases/bin/clone07[0x8048e7c] > > /lib/libc.so.6(__libc_start_main+0xdc)[0xaeadec] > > ./testcases/bin/clone07[0x8048b61] > > ======= Memory map: ======== > > 00ab7000-00ad1000 r-xp 00000000 08:02 19085105 /lib/ld-2.5.so > > 00ad1000-00ad2000 r-xp 00019000 08:02 19085105 /lib/ld-2.5.so > > 00ad2000-00ad3000 rwxp 0001a000 08:02 19085105 /lib/ld-2.5.so > > 00ad5000-00c12000 r-xp 00000000 08:02 19085112 /lib/libc-2.5.so > > 00c12000-00c14000 r-xp 0013d000 08:02 19085112 /lib/libc-2.5.so > > 00c14000-00c15000 rwxp 0013f000 08:02 19085112 /lib/libc-2.5.so > > 00c15000-00c18000 rwxp 00c15000 00:00 0 > > 00c6b000-00c6c000 r-xp 00c6b000 00:00 0 [vdso] > > 061d0000-061db000 r-xp 00000000 08:02 > > 19085120 /lib/libgcc_s-4.1.2-20080102.so.1 > > 061db000-061dc000 rwxp 0000a000 08:02 > > 19085120 /lib/libgcc_s-4.1.2-20080102.so.1 > > 08048000-0804c000 r-xp 00000000 08:02 > > 2262291 > > /home/subratamodak/OFFICE_WORKS/LTP_PROJECT_CODE/LTP_TARS/MARCH_2009_RELEASE/ltp-full-20090331/testcases/bin/clone07 > > 0804c000-0804d000 rwxp 00004000 08:02 > > 2262291 > > /home/subratamodak/OFFICE_WORKS/LTP_PROJECT_CODE/LTP_TARS/MARCH_2009_RELEASE/ltp-full-20090331/testcases/bin/clone07 > > 0804d000-08051000 rwxp 0804d000 00:00 0 > > 08dda000-08dfb000 rwxp 08dda000 00:00 0 > > b7e00000-b7e21000 rwxp b7e00000 00:00 0 > > b7e21000-b7f00000 --xp b7e21000 00:00 0 > > b7f5a000-b7f5c000 rwxp b7f5a000 00:00 0 > > bfab7000-bfacc000 rwxp bfab7000 00:00 0 [stack] > > Aborted > > $ echo $? > > 134 > > > > Post Patching: > > > > $ ./clone07 -i 19 > > clone07 1 PASS : Use of return() in child did not cause SIGSEGV > > > > Index: clone07.c > >> =================================================================== > >> --- clone07.c (revision 301) > >> +++ clone07.c (working copy) > >> @@ -114,17 +114,17 @@ > >> /* perform global setup for test */ > >> setup(); > >> > >> - /* Allocate stack for child */ > >> - if((child_stack = (void *) malloc(CHILD_STACK_SIZE)) == NULL) { > >> - tst_brkm(TBROK, cleanup, "Cannot allocate stack for > >> child"); > >> - } > >> - > >> /* check looping state if -i option given */ > >> for (lc=0; TEST_LOOPING(lc); lc++) { > >> > >> /* reset Tst_count in case we are looping. */ > >> Tst_count=0; > >> > >> + /* Allocate stack for child */ > >> + if((child_stack = (void *) malloc(CHILD_STACK_SIZE)) == > >> NULL) { > >> + tst_brkm(TBROK, cleanup, "Cannot allocate stack > >> for child"); > >> + } > >> + > >> /* > >> * Call clone(2) > >> */ > > > > Thanks for the patch. > > > > Regards-- > > Subrata > > > >> > >> > > > > > > -- > Guo Hongruan, Embedded Linux Consultant > Mobile: +86-0-13484056007 > Skype: camelguo > http://www.gulessoft.com ------------------------------------------------------------------------------ This SF.net email is sponsored by: High Quality Requirements in a Collaborative Environment. Download a free trial of Rational Requirements Composer Now! http://p.sf.net/sfu/www-ibm-com _______________________________________________ Ltp-list mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ltp-list
