Bug 1316098
| Summary: | cpio crashes with segfault | ||||||
|---|---|---|---|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Bill Craig <billcraigedg> | ||||
| Component: | cpio | Assignee: | Pavel Raiskup <praiskup> | ||||
| Status: | CLOSED CURRENTRELEASE | QA Contact: | qe-baseos-daemons | ||||
| Severity: | medium | Docs Contact: | |||||
| Priority: | unspecified | ||||||
| Version: | 7.1 | ||||||
| Target Milestone: | rc | ||||||
| Target Release: | --- | ||||||
| Hardware: | Unspecified | ||||||
| OS: | Linux | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2016-03-10 06:21:03 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: | |||||||
| Attachments: |
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Thanks for the report, but this should have been fixed already. Have a look at cpio-2.11-24.el7_2. |
Created attachment 1134491 [details] File list /tmp/cfl2 Description of problem: Attempts to create cpio archive of Centos 7 server fail when cpio crashes and logs a segfault in /var/log/messages [root@linux ~]# grep segf /var/log/messages Mar 8 13:28:51 edplinux kernel: cpio[30891]: segfault at 176b0ca ip 00007f3365f 38e10 sp 00007fff0abc6d78 error 4 in libc-2.17.so[7f3365df9000+1b6000] Mar 8 18:06:38 edplinux kernel: cpio[31774]: segfault at 203809a ip 00007f1e21b e1e10 sp 00007fffc873e168 error 4 in libc-2.17.so[7f1e21aa2000+1b6000] Mar 8 18:25:46 edplinux kernel: cpio[31993]: segfault at 1ed7000 ip 00007f1e7f9 cc977 sp 00007fffcf9efd88 error 4 in libc-2.17.so[7f1e7f88c000+1b6000] Mar 8 22:05:09 edplinux kernel: cpio[23842]: segfault at 240409a ip 00007fb5a31 d1e10 sp 00007fff7c312318 error 4 in libc-2.17.so[7fb5a3092000+1b6000] Version-Release number of selected component (if applicable): [root@linux ~]# uname -a Linux linux 3.10.0-229.el7.x86_64 #1 SMP Fri Mar 6 11:36:42 UTC 2015 x86_64 x 86_64 x86_64 GNU/Linux [root@linux /]# rpm -q centos-release centos-release-7-1.1503.el7.centos.2.8.x86_64 [root@linux ~]# cpio --version cpio (GNU cpio) 2.11 [root@linux ~]# rpm -q cpio cpio-2.11-22.el7.x86_64 How reproducible: Very Steps to Reproduce: cd / find ./ -name proc -prune -o -print | egrep -v '^\./u/backup5|^\./usr/guests/|^\./u/idata*|^\./tmp/' | egrep -v '^\./tmp"|^\./u/u1a|^\./u/u1b|^\./u/u1c|^\./u/u2a|^\./u/u2b|^\./var/spool/uucppublic' > /tmp/cfl2 cat /tmp/cfl2 | cpio -Bocv | gzip -f | dd of=/tmp/cpiobusys.gz Actual results: Creates incomplete archive crashing at this point: ./sys/devices/pnp0/00:01/rtc/rtc0/uevent ./sys/devices/pnp0/00:01/rtc/rtc0/wakealarm ./sys/devices/pnp0/00:01/nvram ./sys/devices/pnp0/00:01/power ./sys/devices/pnp0/00:01/power/control ./sys/devices/pnp0/00:01/power/wakeup_abort_count ./sys/devices/pnp0/00:01/power/wakeup_active ./sys/devices/pnp0/00:01/power/wakeup_total_time_ms ./sys/devices/pnp0/00:01/power/wakeup_active_count ./sys/devices/pnp0/00:01/power/runtime_active_time ./sys/devices/pnp0/00:01/power/wakeup_max_time_ms ./sys/devices/pnp0/00:01/power/wakeup_count ./sys/devices/pnp0/00:01/power/wakeup_last_time_ms ./sys/devices/pnp0/00:01/power/wakeup ./sys/devices/pnp0/00:01/power/autosuspend_delay_ms 186731+1 records in 186731+1 records out 95606439 bytes (96 MB) copied, 7.23648 s, 13.2 MB/s Expected results: Additional info: Removed file names from the start of the list and reran. It went past the previous crash point and failed here: ./sys/devices/pnp0/00:01/uevent ./sys/devices/pnp0/00:01/resources ./sys/devices/pnp0/00:01/options cpio: ./sys/devices/pnp0/00:01/firmware_node: Warning: Cannot readlink: Invalid argument ./sys/devices/pnp0/00:02 ./sys/devices/pnp0/00:02/id ./sys/devices/pnp0/00:02/power ./sys/devices/pnp0/00:02/power/control ./sys/devices/pnp0/00:02/power/runtime_active_time ./sys/devices/pnp0/00:02/power/autosuspend_delay_ms ./sys/devices/pnp0/00:02/power/runtime_status ./sys/devices/pnp0/00:02/power/runtime_suspended_time cpio: ./sys/devices/pnp0/00:02/driver: Warning: Cannot readlink: Invalid argument cpio: ./sys/devices/pnp0/00:02/subsystem: Warning: Cannot readlink: Invalid argument ./sys/devices/pnp0/00:02/uevent 3+1 records in 3+1 records out 1639 bytes (1.6 kB) copied, 0.00952303 s, 172 kB/s [root@linux /]# Mar 9 11:44:35 edplinux kernel: cpio[25835]: segfault at 1c8c0ca ip 00007feb446 dee10 sp 00007fff2f1debb8 error 4 in libc-2.17.so[7feb4459f000+1b6000]