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[Cluster-devel] Re: [PATCH][GFS2] bz 253921: GFS2: panic after can't parse mount arguments



Hi,

On Thu, 2007-08-23 at 13:33 -0500, Abhijith Das wrote:
> When you try to mount gfs2 with -o garbage, the mount fails and the gfs2
> superblock is deallocated and becomes NULL. The vfs comes around later
> on and calls gfs2_kill_sb. At this point the hidden gfs2 superblock
> pointer (sb->s_fs_info) is NULL and dereferencing it through
> gfs2_meta_syncfs causes the panic. (the other function call to
> gfs2_delete_debugfs_file() succeeds because this function already checks
> for a NULL pointer)
> 
> Signed-off-by: Abhijith Das <adas redhat com>

Now in the -nmw git tree, thanks,

Steve.



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