diff options
author | Pan Bian <bianpan2016@163.com> | 2018-11-30 14:09:18 -0800 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-17 21:55:12 +0100 |
commit | 168a1537ca6f5058243cc88c025a55ac87f22fd3 (patch) | |
tree | fc225e5f6662be551c32a1b9098744522913928c /lib | |
parent | 736ba5cba268c3b2b6abd16947cf42ff5ad96164 (diff) |
hfsplus: do not free node before using
[ Upstream commit c7d7d620dcbd2a1c595092280ca943f2fced7bbd ]
hfs_bmap_free() frees node via hfs_bnode_put(node). However it then
reads node->this when dumping error message on an error path, which may
result in a use-after-free bug. This patch frees node only when it is
never used.
Link: http://lkml.kernel.org/r/1543053441-66942-1-git-send-email-bianpan2016@163.com
Signed-off-by: Pan Bian <bianpan2016@163.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Ernesto A. Fernandez <ernesto.mnd.fernandez@gmail.com>
Cc: Joe Perches <joe@perches.com>
Cc: Viacheslav Dubeyko <slava@dubeyko.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'lib')
0 files changed, 0 insertions, 0 deletions