Bug 1456686
| Summary: | Use after free bug in parse_imagepath is crashing tcmu-runner | ||
|---|---|---|---|
| Product: | [Red Hat Storage] Red Hat Gluster Storage | Reporter: | Pranith Kumar K <pkarampu> |
| Component: | tcmu-runner | Assignee: | Pranith Kumar K <pkarampu> |
| Status: | CLOSED ERRATA | QA Contact: | Sweta Anandpara <sanandpa> |
| Severity: | unspecified | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | rhgs-3.3 | CC: | pkarampu, prasanna.kalever, rhs-bugs, sanandpa, storage-qa-internal |
| Target Milestone: | --- | ||
| Target Release: | RHGS 3.3.0 | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | tcmu-runner-1.2.0-4.el7rhgs | Doc Type: | If docs needed, set a value |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2017-09-21 04:19:33 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: | |||
| Bug Depends On: | |||
| Bug Blocks: | 1417151 | ||
A round of testing has taken place on glusterfs-3.8.4-33 and gluster-block-0.2.1-6. I do not see any crashes or something unexpected in gluster-block logs. Based on comment7 - developer's inputs as well as release leads' agreement, moving this bug to (conditionally) verified. Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHEA-2017:2773 |
Description of problem: This is the asan trace: ==1482==ERROR: AddressSanitizer: heap-use-after-free on address 0x60300000db70 at pc 0x7ffff0bfb93f bp 0x7fffffffc830 sp 0x7fffffffc820 READ of size 8 at 0x60300000db70 thread T0 #0 0x7ffff0bfb93e in gluster_free_server /root/tcmu-runner/glfs.c:270 #1 0x7ffff0bfc851 in tcmu_create_glfs_object /root/tcmu-runner/glfs.c:415 #2 0x7ffff0bfcda3 in tcmu_glfs_open /root/tcmu-runner/glfs.c:503 #3 0x417ced in dev_added /root/tcmu-runner/main.c:678 #4 0x7ffff6c12662 in add_device /root/tcmu-runner/libtcmu.c:296 #5 0x7ffff6c13503 in open_devices /root/tcmu-runner/libtcmu.c:436 #6 0x7ffff6c13c62 in tcmulib_initialize /root/tcmu-runner/libtcmu.c:477 #7 0x418720 in main /root/tcmu-runner/main.c:871 #8 0x7ffff5500400 in __libc_start_main (/lib64/libc.so.6+0x20400) #9 0x407dd9 in _start (/root/tcmu-runner/tcmu-runner+0x407dd9) 0x60300000db70 is located 0 bytes inside of 24-byte region [0x60300000db70,0x60300000db88) freed by thread T0 here: #0 0x7ffff6efbb00 in free (/lib64/libasan.so.3+0xc6b00) #1 0x7ffff0bfbaa8 in gluster_free_server /root/tcmu-runner/glfs.c:276 #2 0x7ffff0bfc336 in parse_imagepath /root/tcmu-runner/glfs.c:347 #3 0x7ffff0bfc464 in tcmu_create_glfs_object /root/tcmu-runner/glfs.c:360 #4 0x7ffff0bfcda3 in tcmu_glfs_open /root/tcmu-runner/glfs.c:503 #5 0x417ced in dev_added /root/tcmu-runner/main.c:678 #6 0x7ffff6c12662 in add_device /root/tcmu-runner/libtcmu.c:296 #7 0x7ffff6c13503 in open_devices /root/tcmu-runner/libtcmu.c:436 #8 0x7ffff6c13c62 in tcmulib_initialize /root/tcmu-runner/libtcmu.c:477 #9 0x418720 in main /root/tcmu-runner/main.c:871 #10 0x7ffff5500400 in __libc_start_main (/lib64/libc.so.6+0x20400) previously allocated by thread T0 here: #0 0x7ffff6efc020 in calloc (/lib64/libasan.so.3+0xc7020) #1 0x7ffff0bfbbe5 in parse_imagepath /root/tcmu-runner/glfs.c:299 #2 0x7ffff0bfc464 in tcmu_create_glfs_object /root/tcmu-runner/glfs.c:360 #3 0x7ffff0bfcda3 in tcmu_glfs_open /root/tcmu-runner/glfs.c:503 #4 0x417ced in dev_added /root/tcmu-runner/main.c:678 #5 0x7ffff6c12662 in add_device /root/tcmu-runner/libtcmu.c:296 #6 0x7ffff6c13503 in open_devices /root/tcmu-runner/libtcmu.c:436 #7 0x7ffff6c13c62 in tcmulib_initialize /root/tcmu-runner/libtcmu.c:477 #8 0x418720 in main /root/tcmu-runner/main.c:871 #9 0x7ffff5500400 in __libc_start_main (/lib64/libc.so.6+0x20400) Version-Release number of selected component (if applicable): How reproducible: Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info: