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alpha: osf_sys.c: fix put_tv32 regression

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There was a typo in the new version of put_tv32() that caused an unguarded
access of a user space pointer, and failed to return the correct result in
gettimeofday(), wait4(), usleep_thread() and old_adjtimex().

This fixes it to give the correct behavior again.

Cc: stable@vger.kernel.org
Fixes: 1cc6c4635e9f ("osf_sys.c: switch handling of timeval32/itimerval32 to copy_{to,from}_user()")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Arnd Bergmann 2017-11-08 16:02:13 +01:00 committed by Al Viro
parent 5bdd0c6f89
commit 47669fb6b5
1 changed files with 2 additions and 2 deletions
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4
arch/alpha/kernel/osf_sys.c
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@ -964,8 +964,8 @@ static inline long
put_tv32(struct timeval32 __user *o, struct timeval *i)
{
return copy_to_user(o, &(struct timeval32){
.tv_sec = o->tv_sec,
.tv_usec = o->tv_usec},
.tv_sec = i->tv_sec,
.tv_usec = i->tv_usec},
sizeof(struct timeval32));
}