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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2017-02-17 19:20:32 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2017-02-17 19:20:32 +0100 |
| commit | 7c67f1e9abf8bc26868236bbe3aa35aa130e2696 (patch) | |
| tree | 8c3104026d1f1c87869874b84b8ce044fca9fdf8 | |
| parent | 94dcfd8cc065b699081984d6f4b4bbfc811937b1 (diff) | |
| download | busybox-7c67f1e9abf8bc26868236bbe3aa35aa130e2696.tar.gz | |
udhcpc: make sure we do not overflow poll timeout
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | networking/udhcp/d6_dhcpc.c | 2 | ||||
| -rw-r--r-- | networking/udhcp/dhcpc.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/networking/udhcp/d6_dhcpc.c b/networking/udhcp/d6_dhcpc.c index 067d35115..bea589d71 100644 --- a/networking/udhcp/d6_dhcpc.c +++ b/networking/udhcp/d6_dhcpc.c @@ -1085,7 +1085,7 @@ int udhcpc6_main(int argc UNUSED_PARAM, char **argv) if (tv > 0) { log1("waiting on select %u seconds", tv); timestamp_before_wait = (unsigned)monotonic_sec(); - retval = poll(pfds, 2, tv * 1000); + retval = poll(pfds, 2, tv < INT_MAX/1000 ? tv * 1000 : INT_MAX); if (retval < 0) { /* EINTR? A signal was caught, don't panic */ if (errno == EINTR) { diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c index 8f7f59e08..881512cf3 100644 --- a/networking/udhcp/dhcpc.c +++ b/networking/udhcp/dhcpc.c @@ -1453,7 +1453,7 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv) if (tv > 0) { log1("waiting on select %u seconds", tv); timestamp_before_wait = (unsigned)monotonic_sec(); - retval = poll(pfds, 2, tv * 1000); + retval = poll(pfds, 2, tv < INT_MAX/1000 ? tv * 1000 : INT_MAX); if (retval < 0) { /* EINTR? A signal was caught, don't panic */ if (errno == EINTR) { |