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| author | Dan Carpenter <[email protected]> | 2022-06-02 11:02:18 +0000 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2022-06-02 15:40:56 +0000 |
| commit | 690b2549b19563ec5ad53e5c82f6a944d910086e (patch) | |
| tree | 59d93f4cfe6a688fbf9455c88ad2ec776955c90b /tools/bpf/bpftool/prog.c | |
| parent | assoc_array: Fix BUG_ON during garbage collect (diff) | |
| download | kernel-690b2549b19563ec5ad53e5c82f6a944d910086e.tar.gz kernel-690b2549b19563ec5ad53e5c82f6a944d910086e.zip | |
i2c: ismt: prevent memory corruption in ismt_access()
The "data->block[0]" variable comes from the user and is a number
between 0-255. It needs to be capped to prevent writing beyond the end
of dma_buffer[].
Fixes: 5e9a97b1f449 ("i2c: ismt: Adding support for I2C_SMBUS_BLOCK_PROC_CALL")
Reported-and-tested-by: Zheyu Ma <[email protected]>
Signed-off-by: Dan Carpenter <[email protected]>
Reviewed-by: Mika Westerberg <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/bpf/bpftool/prog.c')
0 files changed, 0 insertions, 0 deletions