[PATCH 0/2] ubifs: tnc_delete: Fix two uaf bug when mem failure occurs
Zhihao Cheng
chengzhihao1 at huawei.com
Tue Oct 13 23:02:50 PDT 2026
Fix two TNC traversing uaf problems after failure happens in
tnc_delete().
Zhihao Cheng (2):
ubifs: tnc_delete: Don't free zero-branch znodes if memory allocation
fails
ubifs: tnc_delete: Don't update collapsed znodes if memory allocation
fails
fs/ubifs/tnc.c | 44 +++++++++++++++++++++++++++++++++-----------
fs/ubifs/ubifs.h | 2 ++
2 files changed, 35 insertions(+), 11 deletions(-)
--
2.52.0
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