[sr-dev] git:master:0cb33abe: core: mem/f_malloc - explicit set to 0 for bit shifting greater than size

Module: kamailio Branch: master Commit: 0cb33abe8b2196fb26baf459f66d9d7b9e920013 URL: https://github.com/kamailio/kamailio/commit/0cb33abe8b2196fb26baf459f66d9d7… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: 2017-07-27T09:07:09+02:00 core: mem/f_malloc - explicit set to 0 for bit shifting greater than size --- Modified: src/core/mem/f_malloc.c --- Diff: https://github.com/kamailio/kamailio/commit/0cb33abe8b2196fb26baf459f66d9d7… Patch: https://github.com/kamailio/kamailio/commit/0cb33abe8b2196fb26baf459f66d9d7… --- diff --git a/src/core/mem/f_malloc.c b/src/core/mem/f_malloc.c index 89985a4c72..184037814e 100644 --- a/src/core/mem/f_malloc.c +++ b/src/core/mem/f_malloc.c @@ -122,7 +122,8 @@ inline static int fm_bmp_first_set(struct fm_block* qm, int start) return (start-bit+r); } #endif - v=qm->free_bitmap[bmp_idx]>>(bit+1); + if((bit+1) < 8*sizeof(v)) v=qm->free_bitmap[bmp_idx]>>(bit+1); + else v = 0; return start+1+bit_scan_forward((unsigned long)v); } for (r=bmp_idx+1;r<FM_HASH_BMP_SIZE; r++){