Bug 289960 – [GStreamer][WebAudio] Invalid memory alignment in AudioArray

• Status: RESOLVED
• Resolution: FIXED
• Component: Platform

[Philippe Normand]

==368046==ERROR: AddressSanitizer: invalid alignment requested in aligned_alloc: 32, alignment must be a power of two and the requested size 0x1004 must be a multiple of alignment (thread T0)
    #0 0x000000301736 in aligned_alloc (/var/home/phil/WebKit/WebKitBuild/GTK/Debug/bin/WebKitWebProcess+0x301736) (BuildId: 57d140bd20649c03f679aeb2a65922d8d4b262af)
    #1 0x7fcd0637f403 in bmalloc::DebugHeap::memalign(unsigned long, unsigned long, bmalloc::FailureAction) /var/home/phil/WebKit/Source/bmalloc/bmalloc/DebugHeap.cpp:125:20
    #2 0x7fcd0637fe7d in pas_debug_heap_memalign /var/home/phil/WebKit/Source/bmalloc/bmalloc/DebugHeap.cpp:228:38
    #3 0x7fcd05d55306 in pas_debug_heap_allocate(unsigned long, unsigned long, pas_allocation_mode) /var/home/phil/WebKit/WebKitBuild/GTK/Debug/bmalloc/Headers/bmalloc/pas_debug_heap.h:102:22
    #4 0x7fcd05d4afdf in pas_try_allocate_intrinsic_impl_casual_case(__pas_heap*, unsigned long, unsigned long, pas_allocation_mode, pas_intrinsic_heap_support*, pas_heap_config, pas_allocation_result (*)(pas_local_allocator*, unsigned long, unsigned long, pas_allocation_mode), pas_allocation_result (*)(__pas_heap_ref*, unsigned long, unsigned long, pas_allocation_mode), pas_intrinsic_heap_designation_mode) /var/home/phil/WebKit/WebKitBuild/GTK/Debug/bmalloc/Headers/bmalloc/pas_try_allocate_intrinsic.h:112:16
    #5 0x7fcd05dbd004 in bmalloc_allocate_with_alignment_impl_casual_case(unsigned long, unsigned long, pas_allocation_mode) /var/home/phil/WebKit/WebKitBuild/GTK/Debug/bmalloc/Headers/bmalloc/bmalloc_heap_inlines.h:79
    #6 0x7fcd05db3164 in bmalloc_allocate_with_alignment_impl(unsigned long, unsigned long, pas_allocation_mode) /var/home/phil/WebKit/WebKitBuild/GTK/Debug/bmalloc/Headers/bmalloc/bmalloc_heap_inlines.h:79
    #7 0x7fcd05db3042 in bmalloc_allocate_with_alignment_inline(unsigned long, unsigned long, pas_allocation_mode) /var/home/phil/WebKit/WebKitBuild/GTK/Debug/bmalloc/Headers/bmalloc/bmalloc_heap_inlines.h:126:19
    #8 0x7fcd05cec038 in bmalloc::api::memalign(unsigned long, unsigned long, bmalloc::CompactAllocationMode, bmalloc::HeapKind) /var/home/phil/WebKit/WebKitBuild/GTK/Debug/bmalloc/Headers/bmalloc/bmalloc.h:138:16
    #9 0x7fcd05cec038 in WTF::fastAlignedMalloc(unsigned long, unsigned long) /var/home/phil/WebKit/Source/WTF/wtf/FastMalloc.cpp:627:20
    #10 0x7fcd242dec6c in WTF::FastAlignedMalloc::alignedMalloc(unsigned long, unsigned long) /var/home/phil/WebKit/WebKitBuild/GTK/Debug/WTF/Headers/wtf/FastMalloc.h:300:72
    #11 0x7fcd242de83b in WTF::MallocSpan<float, WTF::FastAlignedMalloc>::alignedMalloc(unsigned long, unsigned long) /var/home/phil/WebKit/WebKitBuild/GTK/Debug/WTF/Headers/wtf/MallocSpan.h:107:45
    #12 0x7fcd242de5a6 in WebCore::AudioArray<float>::resize(WTF::Checked<unsigned long, WTF::CrashOnOverflow>) /var/home/phil/WebKit/Source/WebCore/platform/audio/AudioArray.h:66:24
    #13 0x7fcd242c305c in WebCore::AudioArray<float>::AudioArray(unsigned long) /var/home/phil/WebKit/Source/WebCore/platform/audio/AudioArray.h:48:9

[Philippe Normand]

Pull request: https://github.com/WebKit/WebKit/pull/42618

[EWS]

Committed 292354@main (6d62ebc8d842): <https://commits.webkit.org/292354@main>

Reviewed commits have been landed. Closing PR #42618 and removing active labels.

[Radar WebKit Bug Importer]

<rdar://problem/147409408>