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| author | Eric Biggers <ebiggers@google.com> | 2022-11-06 23:48:38 +0100 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2022-12-09 03:49:24 +0100 |
| commit | 64b4a25c3de81a69724e888ec2db3533b43816e2 (patch) | |
| tree | 69f35b607dd48d6e210c99294930e6a16eb403bc /lib/iomap.c | |
| parent | ext4: fix leaking uninitialized memory in fast-commit journal (diff) | |
| download | linux-64b4a25c3de81a69724e888ec2db3533b43816e2.tar.xz linux-64b4a25c3de81a69724e888ec2db3533b43816e2.zip | |
ext4: add missing validation of fast-commit record lengths
Validate the inode and filename lengths in fast-commit journal records
so that a malicious fast-commit journal cannot cause a crash by having
invalid values for these. Also validate EXT4_FC_TAG_DEL_RANGE.
Fixes: aa75f4d3daae ("ext4: main fast-commit commit path")
Cc: <stable@vger.kernel.org> # v5.10+
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20221106224841.279231-5-ebiggers@kernel.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'lib/iomap.c')
0 files changed, 0 insertions, 0 deletions