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| author | Li Jinyue <[email protected]> | 2017-12-14 09:04:54 +0000 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2018-01-14 17:55:03 +0000 |
| commit | fbe0e839d1e22d88810f3ee3e2f1479be4c0aa4a (patch) | |
| tree | 43789fc1348223cbf15ac5ec425d830696c1f89b /net/unix/af_unix.c | |
| parent | futex: Avoid violating the 10th rule of futex (diff) | |
| download | kernel-fbe0e839d1e22d88810f3ee3e2f1479be4c0aa4a.tar.gz kernel-fbe0e839d1e22d88810f3ee3e2f1479be4c0aa4a.zip | |
futex: Prevent overflow by strengthen input validation
UBSAN reports signed integer overflow in kernel/futex.c:
UBSAN: Undefined behaviour in kernel/futex.c:2041:18
signed integer overflow:
0 - -2147483648 cannot be represented in type 'int'
Add a sanity check to catch negative values of nr_wake and nr_requeue.
Signed-off-by: Li Jinyue <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
Diffstat (limited to 'net/unix/af_unix.c')
0 files changed, 0 insertions, 0 deletions