OpenSolaris

Printable Version Enter a New Search
Bug ID 6579753
Synopsis segmentation fault if zfs mount -o with very long options
State 10-Fix Delivered (Fix available in build)
Category:Subcategory kernel:zfs
Keywords
Responsible Engineer Richard Morris
Reported Against
Duplicate Of
Introduced In solaris_nevada
Commit to Fix snv_71
Fixed In snv_71
Release Fixed solaris_nevada(snv_71) , solaris_10u6(s10u6_01) (Bug ID:2156417)
Related Bugs
Submit Date 12-July-2007
Last Update Date 29-April-2008
Description
since the options value can be any string for zfs mount -o,  so, with latest onnv 07/03 nightly,  try to assign very long option value to mount option (>1024), the command will be segmentation faulted:

bash-3.00# zfs get mounted pool/fs
NAME     PROPERTY  VALUE    SOURCE
pool/fs  mounted   yes      -
bash-3.00# zfs umount pool/fs
bash-3.00# zfs mount -o abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz pool/fs
Segmentation Fault (core dumped)


The core file can be found at:
/net/zion.eng/export/dumps/cm146624/<bug id>/core
Work Around
N/A
Comments
N/A