Bug 1725786
| Summary: | Memory leak in libgfortran | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 8 | Reporter: | Paulo Andrade <pandrade> |
| Component: | gcc | Assignee: | Marek Polacek <mpolacek> |
| gcc sub component: | system-version | QA Contact: | qe-baseos-tools-bugs |
| Status: | CLOSED NEXTRELEASE | Docs Contact: | |
| Severity: | medium | ||
| Priority: | medium | CC: | ahajkova, fweimer, jakub, ohudlick |
| Version: | 8.2 | ||
| Target Milestone: | rc | ||
| Target Release: | 8.0 | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2019-07-01 19:26:37 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
This bug report doesn't specify the version of gcc you are using. The fix appears to be in gcc-8.3.1-4.4.el8 already. Thanks for checking. It was tested with latest released version. Confirmed to be fixed in gcc-8.3.1-4.4.el8. |
Reproducer: """ $ cat /tmp/open_leak.f90 program open_leak implicit none open (unit = 6, & file = "/tmp/open_leak.f90", & status = 'OLD') close (unit = 6) end program open_leak $ gfortran -fsanitize=address -Wall -Wextra -pedantic /tmp/open_leak.f90 -o /tmp/open_leak; /tmp/open_leak ================================================================= ==26750==ERROR: LeakSanitizer: detected memory leaks Direct leak of 32 byte(s) in 1 object(s) allocated from: #0 0x7f5c5fc8f768 in __interceptor_malloc (/lib64/libasan.so.5+0xef768) #1 0x7f5c5f7435c8 in _gfortrani_xmalloc ../../../libgfortran/runtime/memory.c:42 Indirect leak of 512 byte(s) in 1 object(s) allocated from: #0 0x7f5c5fc8f768 in __interceptor_malloc (/lib64/libasan.so.5+0xef768) #1 0x7f5c5f7435c8 in _gfortrani_xmalloc ../../../libgfortran/runtime/memory.c:42 SUMMARY: AddressSanitizer: 544 byte(s) leaked in 2 allocation(s). """ This should be fixed by the first chunk of the patch https://gcc.gnu.org/viewcvs/gcc/trunk/libgfortran/io/open.c?r1=267910&r2=267909&pathrev=267910 indirectly fixed by https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88776 [Namelist read from stdin: loss of data]