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| author | David S. Miller <davem@davemloft.net> | 2019-08-19 11:54:03 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-08-19 11:54:03 -0700 |
| commit | 446bf64b613c4433dac4b15f4eaf326beaad3c8e (patch) | |
| tree | b20b9457234f6f9a5d7464213ef6d10f95f3eed3 /mm/usercopy.c | |
| parent | 20e79a0a2cfd15b6cfb18119f2e108396be56716 (diff) | |
| parent | 06821504fd47a5e5b641aeeb638a0ae10a216ef8 (diff) | |
| download | lwn-446bf64b613c4433dac4b15f4eaf326beaad3c8e.tar.gz lwn-446bf64b613c4433dac4b15f4eaf326beaad3c8e.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Merge conflict of mlx5 resolved using instructions in merge
commit 9566e650bf7fdf58384bb06df634f7531ca3a97e.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'mm/usercopy.c')
| -rw-r--r-- | mm/usercopy.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/usercopy.c b/mm/usercopy.c index 2a09796edef8..98e924864554 100644 --- a/mm/usercopy.c +++ b/mm/usercopy.c @@ -147,7 +147,7 @@ static inline void check_bogus_address(const unsigned long ptr, unsigned long n, bool to_user) { /* Reject if object wraps past end of memory. */ - if (ptr + n < ptr) + if (ptr + (n - 1) < ptr) usercopy_abort("wrapped address", NULL, to_user, 0, ptr + n); /* Reject if NULL or ZERO-allocation. */ |