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Bug #9507

closed

calling llistxattr(2) on a symlink crashes the client

Added by Kevin Lamontagne over 9 years ago. Updated over 9 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
-
Category:
-
Target version:
-
% Done:

0%

Source:
other
Tags:
Backport:
Regression:
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Crash signature (v1):
Crash signature (v2):

Description

The code hits a "BUG;" line at https://github.com/ceph/ceph-client/blob/7e8a295295775ec9e05411cefc578ff4bfc94740/fs/ceph/xattr.c#L287

The mount becomes unavailable.

Attached are a strace of a process making the call and the resulting bug output in dmesg.

This happens on Ubuntu Trusty (3.13.0-35-generic), latest stable (3.16.2) and kernel.org mainline (3.17-rc5)

Files

Download all files
dmesg crash 3.16.2.txt (2.29 KB) dmesg crash 3.16.2.txt Kevin Lamontagne, 09/17/2014 09:48 AM
strace crash.txt (885 Bytes) strace crash.txt Kevin Lamontagne, 09/17/2014 09:48 AM
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