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ef8e512e2916a7c2dfca289e9113324b87324723
jemalloc-jemalloc/include/jemalloc/internal
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Dmitry Ilvokhin ef8e512e29 Fix bitmap_ffu out of range read 
We tried to load `g` from `bitmap[i]` before checking it is actually a
valid load. Tweaked a loop a bit to `break` early, when we are done
scanning for bits.

Before this commit undefined behaviour sanitizer from GCC 14+ was
unhappy at `test/unit/bitmap` test with following error.

```
../include/jemalloc/internal/bitmap.h:293:5: runtime error: load of
address 0x7bb1c2e08008 with insufficient space for an object of type
'const bitmap_t'
<...>
    #0 0x62671a149954 in bitmap_ffu ../include/jemalloc/internal/bitmap.h:293
    #1 0x62671a149954 in test_bitmap_xfu_body ../test/unit/bitmap.c:275
    #2 0x62671a14b767 in test_bitmap_xfu ../test/unit/bitmap.c:323
    #3 0x62671a376ad1 in p_test_impl ../test/src/test.c:149
    #4 0x62671a377135 in p_test ../test/src/test.c:200
    #5 0x62671a13da06 in main ../test/unit/bitmap.c:336
<...>
```
2025-01-28 10:42:20 -08:00
..
activity_callback.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
arena_externs.h
Allow a range for the nfill passed to arena_cache_bin_fill_small
2024-08-29 10:50:33 -07:00
arena_inlines_a.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
arena_inlines_b.h
Bin batching: add some stats.
2024-05-22 10:30:31 -07:00
arena_stats.h
metadata usage breakdowns: tracking edata and rtree usages
2023-10-11 11:56:01 -07:00
arena_structs.h
Tcache batching: Plumbing
2024-05-22 10:30:31 -07:00
arena_types.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
assert.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
atomic_c11.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
atomic_gcc_atomic.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
atomic_gcc_sync.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
atomic_msvc.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
atomic.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
background_thread_externs.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
background_thread_inlines.h
Fix the lock owner sanity checking during background thread boot.
2024-09-23 18:06:07 -07:00
background_thread_structs.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
base.h
Fix the VM over-reservation on aarch64 w/ larger pages.
2024-09-04 15:43:59 -07:00
batcher.h
Bin batching: add some stats.
2024-05-22 10:30:31 -07:00
bin_info.h
Add batching to arena bins.
2024-05-22 10:30:31 -07:00
bin_stats.h
Bin batching: add some stats.
2024-05-22 10:30:31 -07:00
bin_types.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
bin.h
Bin batching: add some stats.
2024-05-22 10:30:31 -07:00
bit_util.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
bitmap.h
Fix bitmap_ffu out of range read
2025-01-28 10:42:20 -08:00
buf_writer.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
cache_bin.h
Better handle burst allocation on tcache_alloc_small_hard
2024-08-29 10:50:33 -07:00
ckh.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
counter.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
ctl.h
Add mallctl to set and get ncached_max of each cache_bin.
2023-10-17 14:53:23 -07:00
decay.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
div.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
ecache.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
edata_cache.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
edata.h
Optimize edata_cmp_summary_compare when __uint128_t is available
2024-09-23 16:23:42 -07:00
ehooks.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
emap.h
Set dependent as false for all rtree reads without ownership
2024-06-24 10:50:20 -07:00
emitter.h
Emit long string values without truncation
2024-07-29 13:58:31 -07:00
eset.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
exp_grow.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
extent_dss.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
extent_mmap.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
extent.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
fb.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
fxp.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
hash.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
hook.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
hpa_hooks.h
Add opt hpa_hugify_sync to hugify synchronously
2024-11-20 10:52:52 -08:00
hpa_opts.h
Add opt hpa_hugify_sync to hugify synchronously
2024-11-20 10:52:52 -08:00
hpa.h
Disable psset test when hugepage size is too large.
2024-12-17 12:35:35 -08:00
hpdata.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
inspect.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
jemalloc_internal_decls.h
Fix all optimization-inhibiting integer-to-pointer casts
2023-07-24 14:40:42 -07:00
jemalloc_internal_defs.h.in
Fix the gettid() detection caught by @mrluanma .
2025-01-22 10:30:53 -08:00
jemalloc_internal_externs.h
Add a runtime option opt_experimental_tcache_gc to guard the new design
2024-08-29 10:50:33 -07:00
jemalloc_internal_includes.h
fix some typos
2022-04-25 11:29:00 -07:00
jemalloc_internal_inlines_a.h
Fix reading CPU id using rdtscp.
2023-08-28 11:46:39 -07:00
jemalloc_internal_inlines_b.h
Enable per-tcache tcache_max
2023-09-06 10:47:14 -07:00
jemalloc_internal_inlines_c.h
Fix the sized-dealloc safety check abort msg.
2024-10-14 10:34:15 -07:00
jemalloc_internal_macros.h
Add clang static analyzer suppression macro.
2024-05-22 10:30:31 -07:00
jemalloc_internal_overrides.h
Add an override for the compile-time malloc_conf to jemalloc_internal_overrides.h
2023-07-31 14:53:15 -07:00
jemalloc_internal_types.h
add a size check when declare a stack array to be less than 2048 bytes
2024-08-06 13:16:09 -07:00
jemalloc_preamble.h.in
Add opt hpa_hugify_sync to hugify synchronously
2024-11-20 10:52:52 -08:00
large_externs.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
lockedint.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
log.h
Fix comments about malloc_conf to enable logging.
2023-10-04 11:49:10 -07:00
malloc_io.h
Add safe frame-pointer backtrace unwinder
2024-10-01 11:01:56 -07:00
mpsc_queue.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
mutex_prof.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
mutex.h
Assert the mutex is locked within malloc_mutex_assert_owner().
2024-09-23 18:06:07 -07:00
nstime.h
Add nstime_ms_since to get time since in ms
2024-11-08 10:37:28 -08:00
pa.h
Introduce getters for page allocator shard stats
2024-04-04 12:17:30 -07:00
pac.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
pages.h
Add opt hpa_hugify_sync to hugify synchronously
2024-11-20 10:52:52 -08:00
pai.h
HPA: Allow frequent reused alloc to bypass the slab_max_alloc limit, as long as
2024-01-18 14:51:04 -08:00
peak_event.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
peak.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
ph.h
Reduce nesting in phn_merge_siblings using an early return.
2024-03-14 13:08:17 -07:00
private_namespace.sh
Automatically generate private symbol name mangling macros.
2017-05-11 23:06:54 -07:00
private_symbols.sh
Automatically generate private symbol name mangling macros.
2017-05-11 23:06:54 -07:00
prng.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
prof_data.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
prof_externs.h
Add support for namespace pids in heap profile names
2024-04-09 10:27:52 -07:00
prof_hook.h
Add usize to prof_sample_hook_t
2024-07-30 10:29:30 -07:00
prof_inlines.h
Define PROF_TCTX_SENTINEL instead of using magic numbers
2023-07-24 14:40:42 -07:00
prof_log.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
prof_recent.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
prof_stats.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
prof_structs.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
prof_sys.h
Add safe frame-pointer backtrace unwinder
2024-10-01 11:01:56 -07:00
prof_types.h
Fix all optimization-inhibiting integer-to-pointer casts
2023-07-24 14:40:42 -07:00
psset.h
Expose psset state stats
2024-11-21 09:23:32 -08:00
public_namespace.sh
Replace tabs following #define with spaces.
2017-01-20 21:45:53 -08:00
public_unnamespace.sh
Fix name mangling for stress tests.
2014-01-16 17:38:01 -08:00
ql.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
qr.h
QL, QR: Add documentation.
2020-04-11 10:32:11 -07:00
quantum.h
Leverage new Windows API TlsGetValue2 for performance
2024-08-28 16:50:33 -07:00
rb.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
rtree_tsd.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
rtree.h
Fix all optimization-inhibiting integer-to-pointer casts
2023-07-24 14:40:42 -07:00
safety_check.h
Fix all optimization-inhibiting integer-to-pointer casts
2023-07-24 14:40:42 -07:00
san_bump.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
san.h
Fix all optimization-inhibiting integer-to-pointer casts
2023-07-24 14:40:42 -07:00
sc.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
sec_opts.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
sec.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
seq.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
slab_data.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
smoothstep.h
Cleanup smoothstep.sh / .h.
2017-05-25 16:52:10 -07:00
smoothstep.sh
Cleanup smoothstep.sh / .h.
2017-05-25 16:52:10 -07:00
spin.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
stats.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
sz.h
Optimize fast path to allow static size class computation.
2024-09-12 11:34:09 -07:00
tcache_externs.h
Refactor the tcache initiailization
2023-10-18 14:11:46 -07:00
tcache_inlines.h
Cleanup cache_bin_info_t* info input args
2023-10-25 10:27:31 -07:00
tcache_structs.h
Better handle burst allocation on tcache_alloc_small_hard
2024-08-29 10:50:33 -07:00
tcache_types.h
Regulate GC frequency by requiring a time interval between two consecutive GCs
2024-08-29 10:50:33 -07:00
test_hooks.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
thread_event.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
ticker.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
tsd_generic.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
tsd_internals.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
tsd_malloc_thread_cleanup.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
tsd_tls.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
tsd_types.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
tsd_win.h
Use MSVC __declspec(thread) for TSD on Windows
2024-09-30 11:33:44 -07:00
tsd.h
Make headers self-contained by fixing #includes
2023-07-14 09:06:32 -07:00
typed_list.h
Add empty test and concat for typed list
2020-07-31 09:16:50 -07:00
util.h
Conditionally remove unreachable for C23+
2024-12-17 12:39:00 -08:00
witness.h
Add batcher module.
2024-05-22 10:30:31 -07:00