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-rw-r--r--erts/emulator/beam/erl_alloc_util.c40
-rw-r--r--erts/emulator/beam/erl_binary.h2
-rw-r--r--erts/emulator/beam/external.c12
3 files changed, 35 insertions, 19 deletions
diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c
index 9dce7f6505..3914537d0d 100644
--- a/erts/emulator/beam/erl_alloc_util.c
+++ b/erts/emulator/beam/erl_alloc_util.c
@@ -373,6 +373,8 @@ do { \
#define ERTS_CRR_ALCTR_FLG_IN_POOL (((erts_aint_t) 1) << 0)
#define ERTS_CRR_ALCTR_FLG_BUSY (((erts_aint_t) 1) << 1)
+#define ERTS_CRR_ALCTR_FLG_MASK (ERTS_CRR_ALCTR_FLG_IN_POOL | \
+ ERTS_CRR_ALCTR_FLG_BUSY)
#ifdef ERTS_SMP
#define SBC_HEADER_SIZE \
@@ -1405,14 +1407,14 @@ get_used_allctr(Allctr_t *pref_allctr, int pref_lock, void *p, UWord *sizep,
if (ERTS_ALC_TS_PREF_LOCK_IF_USED == pref_lock
&& pref_allctr->thread_safe) {
- used_allctr = (Allctr_t *) (iallctr & ~FLG_MASK);
+ used_allctr = (Allctr_t *) (iallctr & ~ERTS_CRR_ALCTR_FLG_MASK);
if (pref_allctr == used_allctr) {
erts_mtx_lock(&pref_allctr->mutex);
locked_pref_allctr = 1;
}
}
- while ((iallctr & ((~FLG_MASK)|ERTS_CRR_ALCTR_FLG_IN_POOL))
+ while ((iallctr & ((~ERTS_CRR_ALCTR_FLG_MASK)|ERTS_CRR_ALCTR_FLG_IN_POOL))
== (((erts_aint_t) pref_allctr)|ERTS_CRR_ALCTR_FLG_IN_POOL)) {
erts_aint_t act;
@@ -1427,7 +1429,7 @@ get_used_allctr(Allctr_t *pref_allctr, int pref_lock, void *p, UWord *sizep,
iallctr = act;
}
- used_allctr = (Allctr_t *) (iallctr & ~FLG_MASK);
+ used_allctr = (Allctr_t *) (iallctr & ~ERTS_CRR_ALCTR_FLG_MASK);
if (ERTS_ALC_TS_PREF_LOCK_IF_USED == pref_lock) {
if (locked_pref_allctr && used_allctr != pref_allctr) {
@@ -1437,16 +1439,16 @@ get_used_allctr(Allctr_t *pref_allctr, int pref_lock, void *p, UWord *sizep,
}
ERTS_ALC_CPOOL_ASSERT(
- (((iallctr & ~FLG_MASK) == (erts_aint_t) pref_allctr)
- ? (((iallctr & FLG_MASK) == ERTS_CRR_ALCTR_FLG_IN_POOL)
- || ((iallctr & FLG_MASK) == 0))
+ (((iallctr & ~ERTS_CRR_ALCTR_FLG_MASK) == (erts_aint_t) pref_allctr)
+ ? (((iallctr & ERTS_CRR_ALCTR_FLG_MASK) == ERTS_CRR_ALCTR_FLG_IN_POOL)
+ || ((iallctr & ERTS_CRR_ALCTR_FLG_MASK) == 0))
: 1));
return used_allctr;
}
}
- used_allctr = (Allctr_t *) (iallctr & ~FLG_MASK);
+ used_allctr = (Allctr_t *) (iallctr & ~ERTS_CRR_ALCTR_FLG_MASK);
if (ERTS_ALC_TS_PREF_LOCK_IF_USED == pref_lock
&& used_allctr == pref_allctr
@@ -1777,7 +1779,7 @@ handle_delayed_dealloc(Allctr_t *allctr,
ERTS_ALC_CPOOL_ASSERT(allctr == crr->cpool.orig_allctr);
ERTS_ALC_CPOOL_ASSERT(((erts_aint_t) allctr)
!= (erts_smp_atomic_read_nob(&crr->allctr)
- & ~FLG_MASK));
+ & ~ERTS_CRR_ALCTR_FLG_MASK));
erts_smp_atomic_set_nob(&crr->allctr, ((erts_aint_t) allctr));
@@ -2920,7 +2922,7 @@ cpool_fetch(Allctr_t *allctr, UWord size)
#ifdef ERTS_ALC_CPOOL_DEBUG
ERTS_ALC_CPOOL_ASSERT(erts_smp_atomic_xchg_nob(&crr->allctr,
((erts_aint_t) allctr))
- == (((erts_aint_t) allctr) & ~FLG_MASK));
+ == (((erts_aint_t) allctr) & ~ERTS_CRR_ALCTR_FLG_MASK));
#else
erts_smp_atomic_set_nob(&crr->allctr, ((erts_aint_t) allctr));
#endif
@@ -2962,7 +2964,7 @@ cpool_fetch(Allctr_t *allctr, UWord size)
(erts_aint_t) allctr,
exp);
if (act == exp) {
- cpool_delete(allctr, ((Allctr_t *) (act & ~FLG_MASK)), crr);
+ cpool_delete(allctr, ((Allctr_t *) (act & ~ERTS_CRR_ALCTR_FLG_MASK)), crr);
return crr;
}
}
@@ -3057,7 +3059,7 @@ schedule_dealloc_carrier(Allctr_t *allctr, Carrier_t *crr)
ERTS_ALC_CPOOL_ASSERT(crr == FIRST_BLK_TO_MBC(allctr, blk));
ERTS_ALC_CPOOL_ASSERT(((erts_aint_t) allctr)
== (erts_smp_atomic_read_nob(&crr->allctr)
- & ~FLG_MASK));
+ & ~ERTS_CRR_ALCTR_FLG_MASK));
if (ddq_enqueue(&orig_allctr->dd.q, BLK2UMEM(blk), cinit))
erts_alloc_notify_delayed_dealloc(orig_allctr->ix);
@@ -5432,6 +5434,11 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init)
{
/* erts_alcu_start assumes that allctr has been zeroed */
+ if (((UWord)allctr & ERTS_CRR_ALCTR_FLG_MASK) != 0) {
+ erl_exit(ERTS_ABORT_EXIT, "%s:%d:erts_alcu_start: Alignment error\n",
+ __FILE__, __LINE__);
+ }
+
if (!initialized)
goto error;
@@ -5603,8 +5610,15 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init)
| CFLG_FORCE_SYS_ALLOC
#endif
| CFLG_MAIN_CARRIER);
- if (!blk)
- goto error;
+ if (!blk) {
+#ifdef USE_THREADS
+ if (allctr->thread_safe)
+ erts_mtx_destroy(&allctr->mutex);
+#endif
+ erl_exit(ERTS_ABORT_EXIT,
+ "Failed to create main carrier for %salloc\n",
+ init->name_prefix);
+ }
(*allctr->link_free_block)(allctr, blk);
diff --git a/erts/emulator/beam/erl_binary.h b/erts/emulator/beam/erl_binary.h
index f7dc20f5e6..819b19e566 100644
--- a/erts/emulator/beam/erl_binary.h
+++ b/erts/emulator/beam/erl_binary.h
@@ -225,7 +225,7 @@ erts_free_aligned_binary_bytes(byte* buf)
** These extra bytes where earlier (< R13B04) added by an alignment-bug
** in this code. Do we dare remove this in some major release (R14?) maybe?
*/
-#ifdef DEBUG
+#if defined(DEBUG) || defined(VALGRIND)
# define CHICKEN_PAD 0
#else
# define CHICKEN_PAD (sizeof(void*) - 1)
diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c
index 1c88765381..22b0a02937 100644
--- a/erts/emulator/beam/external.c
+++ b/erts/emulator/beam/external.c
@@ -2970,7 +2970,7 @@ dec_term_atom_common:
n = get_int32(ep);
ep += 4;
- if (n <= ERL_ONHEAP_BIN_LIMIT) {
+ if ((unsigned)n <= ERL_ONHEAP_BIN_LIMIT) {
ErlHeapBin* hb = (ErlHeapBin *) hp;
hb->thing_word = header_heap_bin(n);
@@ -3007,8 +3007,10 @@ dec_term_atom_common:
n = get_int32(ep);
bitsize = ep[4];
- ep += 5;
- if (n <= ERL_ONHEAP_BIN_LIMIT) {
+ if (((bitsize==0) != (n==0)) || bitsize > 8)
+ goto error;
+ ep += 5;
+ if ((unsigned)n <= ERL_ONHEAP_BIN_LIMIT) {
ErlHeapBin* hb = (ErlHeapBin *) hp;
hb->thing_word = header_heap_bin(n);
@@ -3035,10 +3037,10 @@ dec_term_atom_common:
hp += PROC_BIN_SIZE;
}
ep += n;
- if (bitsize == 0) {
+ if (bitsize == 8 || n == 0) {
*objp = bin;
} else {
- sb = (ErlSubBin *) hp;
+ sb = (ErlSubBin *)hp;
sb->thing_word = HEADER_SUB_BIN;
sb->orig = bin;
sb->size = n - 1;