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| author | Eric Sesterhenn <[email protected]> | 2008-05-12 21:02:21 +0000 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2008-05-13 15:02:24 +0000 |
| commit | 706322496b3a58af3cf258db2b553d6933656eef (patch) | |
| tree | ec64bbc9e20be4a5b2baf9dcbb3e2201e822c97f /lib/bitmap.c | |
| parent | parisc: fix DISCONTIGMEM compile breakage (diff) | |
| download | kernel-706322496b3a58af3cf258db2b553d6933656eef.tar.gz kernel-706322496b3a58af3cf258db2b553d6933656eef.zip | |
Fix hfsplus oops on image without extents
Fix an oops with a corrupted hfs+ image.
See http://bugzilla.kernel.org/show_bug.cgi?id=10548 for details.
Problem is that we call hfs_btree_open() from hfsplus_fill_super() to set
HFSPLUS_SB(sb).[ext_tree|cat_tree] Both trees are still NULL at this moment.
If hfs_btree_open() fails for any reason it calls iput() on the page, which
gets to hfsplus_releasepage() which tries to access HFSPLUS_SB(sb).* which is
still NULL and oopses while dereferencing it.
[[email protected]: build fix]
Signed-off-by: Eric Sesterhenn <[email protected]>
Cc: Roman Zippel <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'lib/bitmap.c')
0 files changed, 0 insertions, 0 deletions