Bug 1010193
| Summary: | libmount umount issues | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Karel Zak <kzak> |
| Component: | util-linux | Assignee: | Karel Zak <kzak> |
| Status: | CLOSED CURRENTRELEASE | QA Contact: | Juraj Marko <jmarko> |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | 7.0 | CC: | acathrow, nlevinki |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | util-linux-2.23.2-6.el7 | Doc Type: | Bug Fix |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2014-06-13 11:54:29 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 request was resolved in Red Hat Enterprise Linux 7.0. Contact your manager or support representative in case you have further questions about the request. |
Two issues has been fixed in upstream tree: commit 4e9f59d1ee293108cd1d577f7b1a182f5b0ac9c0 libmount: use memmove when overlap possible When unmounting some mountpoints as an unprivileged user (via the 'user' option in fstab), the umount fails. Debug output of 'umount /opt' reveals: 17760: libmount: CXT: [0x22890e0]: do umount 17760: libmount: UTILS: moving to /opt parent 17760: libmount: CXT: current directory moved to / [last_component='opt'] 17760: libmount: CXT: [0x22890e0]: umount(2) [target='pt', flags=0x00000000] commit 2afcbe139d272fa494c28c8e6a0624d93a96e157 libmount: free username after check Leak reported by valgrind: ==14226== 7 bytes in 1 blocks are definitely lost in loss record 1 of 1 ==14226== at 0x4C2757B: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==14226== by 0x5534839: strdup (in /usr/lib/libc-2.18.so) ==14226== by 0x4E53FE0: mnt_get_username (utils.c:560) ==14226== by 0x4E456A5: mnt_context_prepare_umount (context_umount.c:413) ==14226== by 0x4E464F7: mnt_context_umount (context_umount.c:851) ==14226== by 0x403476: umount_one (umount.c:299) ==14226== by 0x402B34: main (umount.c:629)