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Commit 425fffd8 authored by Liping Zhang's avatar Liping Zhang Committed by Linus Torvalds
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sysctl: report EINVAL if value is larger than UINT_MAX for proc_douintvec



Currently, inputting the following command will succeed but actually the
value will be truncated:

  # echo 0x12ffffffff > /proc/sys/net/ipv4/tcp_notsent_lowat

This is not friendly to the user, so instead, we should report error
when the value is larger than UINT_MAX.

Fixes: e7d316a0 ("sysctl: handle error writing UINT_MAX to u32 fields")
Signed-off-by: default avatarLiping Zhang <zlpnobody@gmail.com>
Cc: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 8b65bb57
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