diff options
Diffstat (limited to 'erts/emulator')
-rw-r--r-- | erts/emulator/beam/erl_alloc_util.c | 40 | ||||
-rw-r--r-- | erts/emulator/beam/erl_binary.h | 2 | ||||
-rw-r--r-- | erts/emulator/beam/external.c | 12 | ||||
-rw-r--r-- | erts/emulator/test/alloc_SUITE.erl | 7 | ||||
-rw-r--r-- | erts/emulator/test/binary_SUITE.erl | 15 |
5 files changed, 49 insertions, 27 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; diff --git a/erts/emulator/test/alloc_SUITE.erl b/erts/emulator/test/alloc_SUITE.erl index cd2d043f7e..35c44c229a 100644 --- a/erts/emulator/test/alloc_SUITE.erl +++ b/erts/emulator/test/alloc_SUITE.erl @@ -127,7 +127,12 @@ erts_mmap(Config) when is_list(Config) -> erts_mmap_do(Config, SCO, SCRPM, SCRFSD) -> - SCS = 100, % Mb + %% We use the number of schedulers + 1 * approx main carriers size + %% to calculate how large the super carrier has to be + %% and then use a minimum of 100 for systems with a low amount of + %% schedulers + Schldr = erlang:system_info(schedulers_online)+1, + SCS = max(round((262144 * 6 + 3 * 1048576) * Schldr / 1024 / 1024),100), O1 = "+MMscs" ++ integer_to_list(SCS) ++ " +MMsco" ++ atom_to_list(SCO) ++ " +MMscrpm" ++ atom_to_list(SCRPM), diff --git a/erts/emulator/test/binary_SUITE.erl b/erts/emulator/test/binary_SUITE.erl index 08ab094019..a340a805b5 100644 --- a/erts/emulator/test/binary_SUITE.erl +++ b/erts/emulator/test/binary_SUITE.erl @@ -631,7 +631,13 @@ safe_binary_to_term2(Config) when is_list(Config) -> bad_terms(suite) -> []; bad_terms(Config) when is_list(Config) -> - ?line test_terms(fun corrupter/1). + ?line test_terms(fun corrupter/1), + {'EXIT',{badarg,_}} = (catch binary_to_term(<<131,$M,3:32,0,11,22,33>>)), + {'EXIT',{badarg,_}} = (catch binary_to_term(<<131,$M,3:32,9,11,22,33>>)), + {'EXIT',{badarg,_}} = (catch binary_to_term(<<131,$M,0:32,1,11,22,33>>)), + {'EXIT',{badarg,_}} = (catch binary_to_term(<<131,$M,-1:32,1,11,22,33>>)), + ok. + corrupter(Term) when is_function(Term); is_function(hd(Term)); @@ -1221,14 +1227,9 @@ gc() -> gc1() -> ok. bit_sized_binary_sizes(Config) when is_list(Config) -> - ?line [bsbs_1(A) || A <- lists:seq(0, 7)], + ?line [bsbs_1(A) || A <- lists:seq(1, 8)], ok. -bsbs_1(0) -> - BinSize = 32+8, - io:format("A: ~p BinSize: ~p", [0,BinSize]), - Bin = binary_to_term(<<131,$M,5:32,0,0,0,0,0,0>>), - BinSize = bit_size(Bin); bsbs_1(A) -> BinSize = 32+A, io:format("A: ~p BinSize: ~p", [A,BinSize]), |