laforge has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-bsc/+/28058 )
Change subject: bts.c: prevent signed integer overflow in depends_on code ......................................................................
bts.c: prevent signed integer overflow in depends_on code
bts.c:818:37: runtime error: left shift of 1 by 31 places cannot be represented in type 'int'
Change-Id: Ic68e6eb11fb70bf68d3f075fe2e467aedcbfaba8 --- M src/osmo-bsc/bts.c 1 file changed, 3 insertions(+), 3 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-bsc refs/changes/58/28058/1
diff --git a/src/osmo-bsc/bts.c b/src/osmo-bsc/bts.c index 5786833..df8d93d 100644 --- a/src/osmo-bsc/bts.c +++ b/src/osmo-bsc/bts.c @@ -798,7 +798,7 @@ int idx, bit; depends_calc_index_bit(dep, &idx, &bit);
- bts->depends_on[idx] |= 1 << bit; + bts->depends_on[idx] |= 1U << bit; }
void bts_depend_clear(struct gsm_bts *bts, int dep) @@ -806,7 +806,7 @@ int idx, bit; depends_calc_index_bit(dep, &idx, &bit);
- bts->depends_on[idx] &= ~(1 << bit); + bts->depends_on[idx] &= ~(1U << bit); }
int bts_depend_is_depedency(struct gsm_bts *base, struct gsm_bts *other) @@ -815,7 +815,7 @@ depends_calc_index_bit(other->nr, &idx, &bit);
/* Check if there is a depends bit */ - return (base->depends_on[idx] & (1 << bit)) > 0; + return (base->depends_on[idx] & (1U << bit)) > 0; }
static int bts_is_online(struct gsm_bts *bts)