Hide Forgot
Description of problem: No faults seen in previous release, but release today (2.12-1.166.el6_7.3.src.rpm) complains of memory corruption Version-Release number of selected component (if applicable): 2.12-1.166.el6_7.3.src.rpm How reproducible: Always Steps to Reproduce: 1. Run "rpmbuild --rebuild glibc-2.12-1.166.el6_7.1.src.rpm" (previous released version of package) and note no problem seen. 2. Run "rpmbuild --rebuild glibc-2.12-1.166.el6_7.3.src.rpm" (current package) and note faults on memory corruption. Actual results: *** glibc detected *** /home/rpmbuild/rpmbuild/BUILD/glibc-2.12-2-gc4ccff1/build-x86_64-linuxnptl/malloc/tst-malloc-backtrace: malloc(): memory corruption: 0x00007f7453c05010 *** ======= Backtrace: ========= /home/rpmbuild/rpmbuild/BUILD/glibc-2.12-2-gc4ccff1/build-x86_64-linuxnptl/libc.so.6(+0x75f4e)[0x7f7452164f4e] /home/rpmbuild/rpmbuild/BUILD/glibc-2.12-2-gc4ccff1/build-x86_64-linuxnptl/libc.so.6(+0x7a41a)[0x7f745216941a] /home/rpmbuild/rpmbuild/BUILD/glibc-2.12-2-gc4ccff1/build-x86_64-linuxnptl/libc.so.6(__libc_malloc+0x5c)[0x7f7452169b1c] /home/rpmbuild/rpmbuild/BUILD/glibc-2.12-2-gc4ccff1/build-x86_64-linuxnptl/malloc/tst-malloc-backtrace[0x40118a] /home/rpmbuild/rpmbuild/BUILD/glibc-2.12-2-gc4ccff1/build-x86_64-linuxnptl/malloc/tst-malloc-backtrace[0x40144a] /home/rpmbuild/rpmbuild/BUILD/glibc-2.12-2-gc4ccff1/build-x86_64-linuxnptl/libc.so.6(__libc_start_main+0xfd)[0x7f745210dd5d] /home/rpmbuild/rpmbuild/BUILD/glibc-2.12-2-gc4ccff1/build-x86_64-linuxnptl/malloc/tst-malloc-backtrace[0x400dc9] ======= Memory map: ======== 00400000-00402000 r-xp 00000000 08:03 289178 /home/rpmbuild/rpmbuild/BUILD/glibc-2.12-2-gc4ccff1/build-x86_64-linuxnptl/malloc/tst-malloc-backtrace 00601000-00602000 r--p 00001000 08:03 289178 /home/rpmbuild/rpmbuild/BUILD/glibc-2.12-2-gc4ccff1/build-x86_64-linuxnptl/malloc/tst-malloc-backtrace 00602000-00603000 rw-p 00002000 08:03 289178 /home/rpmbuild/rpmbuild/BUILD/glibc-2.12-2-gc4ccff1/build-x86_64-linuxnptl/malloc/tst-malloc-backtrace 38e7a00000-38e7a16000 r-xp 00000000 08:01 1311216 /lib64/libgcc_s-4.4.7-20120601.so.1 38e7a16000-38e7c15000 ---p 00016000 08:01 1311216 /lib64/libgcc_s-4.4.7-20120601.so.1 38e7c15000-38e7c16000 rw-p 00015000 08:01 1311216 /lib64/libgcc_s-4.4.7-20120601.so.1 7f744c000000-7f744c021000 rw-p 00000000 00:00 0 7f744c021000-7f7450000000 ---p 00000000 00:00 0 7f74520ec000-7f74520ed000 rw-p 00000000 00:00 0 7f74520ed000-7f74520ef000 rw-p 00000000 00:00 0 7f74520ef000-7f7452279000 r-xp 00000000 08:03 281103 /home/rpmbuild/rpmbuild/BUILD/glibc-2.12-2-gc4ccff1/build-x86_64-linuxnptl/libc.so 7f7452279000-7f7452479000 ---p 0018a000 08:03 281103 /home/rpmbuild/rpmbuild/BUILD/glibc-2.12-2-gc4ccff1/build-x86_64-linuxnptl/libc.so 7f7452479000-7f745247d000 r--p 0018a000 08:03 281103 /home/rpmbuild/rpmbuild/BUILD/glibc-2.12-2-gc4ccff1/build-x86_64-linuxnptl/libc.so 7f745247d000-7f745247e000 rw-p 0018e000 08:03 281103 /home/rpmbuild/rpmbuild/BUILD/glibc-2.12-2-gc4ccff1/build-x86_64-linuxnptl/libc.so 7f745247e000-7f7452485000 rw-p 00000000 00:00 0 7f7452485000-7f74524a5000 r-xp 00000000 08:03 281102 /home/rpmbuild/rpmbuild/BUILD/glibc-2.12-2-gc4ccff1/build-x86_64-linuxnptl/elf/ld.so 7f74526a4000-7f74526a5000 r--p 0001f000 08:03 281102 /home/rpmbuild/rpmbuild/BUILD/glibc-2.12-2-gc4ccff1/build-x86_64-linuxnptl/elf/ld.so 7f74526a5000-7f74526a6000 rw-p 00020000 08:03 281102 /home/rpmbuild/rpmbuild/BUILD/glibc-2.12-2-gc4ccff1/build-x86_64-linuxnptl/elf/ld.so 7f74526a6000-7f74526a7000 rw-p 00000000 00:00 0 7f7453c05000-7f7453c27000 rw-p 00000000 00:00 0 [heap] 7ffd67f72000-7ffd67f88000 rw-p 00000000 00:00 0 [stack] 7ffd67ff7000-7ffd67ff8000 r-xp 00000000 00:00 0 [vdso] ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] Expected results: No errors seen during build. Additional info: This is a fully-updated RHEL 6.7 system.
This is expected. The test in question "tst-malloc-backtrace" purposely triggers a memory corruption in order to determine if the malloc backtrace bug is fixed. This test is behaving as expected.