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| author | David S. Miller <davem@davemloft.net> | 2018-02-19 18:46:11 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-02-19 18:46:11 -0500 |
| commit | f5c0c6f4299f870f074235fbf552ecf957fc249c (patch) | |
| tree | 6b46b9c0b271185b6f98fab350c3891042e729b1 /fs/proc/kcore.c | |
| parent | 26736a08ee0fb89a4f09bfb2c9f0805028ff63aa (diff) | |
| parent | 79c0ef3e85c015b0921a8fd5dd539d1480e9cd6c (diff) | |
| download | linux-f5c0c6f4299f870f074235fbf552ecf957fc249c.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'fs/proc/kcore.c')
| -rw-r--r-- | fs/proc/kcore.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c index e8a93bc8285d..d1e82761de81 100644 --- a/fs/proc/kcore.c +++ b/fs/proc/kcore.c @@ -510,6 +510,10 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos) /* we have to zero-fill user buffer even if no read */ if (copy_to_user(buffer, buf, tsz)) return -EFAULT; + } else if (m->type == KCORE_USER) { + /* User page is handled prior to normal kernel page: */ + if (copy_to_user(buffer, (char *)start, tsz)) + return -EFAULT; } else { if (kern_addr_valid(start)) { /* |