ubifs: fix possible dereference after free

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[ Upstream commit d81efd6610 ]

'old_idx' could be dereferenced after free via 'rb_link_node' function
call.

Fixes: b5fda08ef2 ("ubifs: Fix memleak when insert_old_idx() failed")
Co-developed-by: Ivanov Mikhail <ivanov.mikhail1@huawei-partners.com>
Signed-off-by: Konstantin Meskhidze <konstantin.meskhidze@huawei.com>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Konstantin Meskhidze 2023-09-05 18:12:22 +08:00 • committed by Greg Kroah-Hartman

parent 3c42cc437d

commit 1c250f2c5f

1 changed files with 1 additions and 0 deletions

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fs/ubifs/tnc.c

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