eh, there you go, aapt2 is indeed crashing

root@optimum-quagga:~/diffoscope# gdb --args aapt2 dump resources /tmp/tmpntfkh146/out.apk
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Reading symbols from aapt2...
Reading symbols from /usr/lib/debug/.build-id/08/4ab3c604520da0c8ff77de341641ed94213b9d.debug...
(gdb) r
Starting program: /usr/bin/aapt2 dump resources /tmp/tmpntfkh146/out.apk
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/arm-linux-gnueabihf/libthread_db.so.1".

Program received signal SIGBUS, Bus error.
android::ResTable_config::copyFromDeviceNoSwap (this=0xfffee6b0, o=...) at ./libs/androidfw/ResourceTypes.cpp:1838
1838    ./libs/androidfw/ResourceTypes.cpp: No such file or directory.
(gdb) bt
#0  android::ResTable_config::copyFromDeviceNoSwap (this=0xfffee6b0, o=...) at ./libs/androidfw/ResourceTypes.cpp:1838
#1  android::ResTable_config::copyFromDtoH (this=0xfffee6b0, o=...) at ./libs/androidfw/ResourceTypes.cpp:1911
#2  0x004b4a28 in aapt::BinaryResourceParser::ParseType (this=this@entry=0xfffeed58, package=package@entry=0x5bc8a8, chunk=0xf7fcf709) at ./tools/aapt2/format/binary/BinaryResourceParser.cpp:352
#3  0x004b3928 in aapt::BinaryResourceParser::ParsePackage (this=this@entry=0xfffeed58, chunk=<optimized out>) at ./tools/aapt2/format/binary/BinaryResourceParser.cpp:241
#4  0x004b2ff4 in aapt::BinaryResourceParser::ParseTable (this=this@entry=0xfffeed58, chunk=<optimized out>) at ./tools/aapt2/format/binary/BinaryResourceParser.cpp:156
#5  0x004b2914 in aapt::BinaryResourceParser::Parse (this=0xfffeed58) at ./tools/aapt2/format/binary/BinaryResourceParser.cpp:109
#6  0x00511054 in aapt::LoadedApk::LoadBinaryApkFromFileCollection (source=..., collection=std::unique_ptr<aapt::io::IFileCollection> = {...}, diag=diag@entry=0xfffef338) at ./tools/aapt2/LoadedApk.cpp:168
#7  0x00510844 in aapt::LoadedApk::LoadApkFromPath (path=..., diag=0xfffef338) at ./tools/aapt2/LoadedApk.cpp:87
#8  0x00428b18 in aapt::DumpApkCommand::Action (this=0x5ba290, args=...) at tools/aapt2/cmd/Dump.h:72
#9  0x00413440 in aapt::Command::Execute (this=0x5ba290, args=..., out_error=<optimized out>) at ./tools/aapt2/cmd/Command.cpp:250
#10 0x00413548 in aapt::Command::Execute (this=0x5b7eb8, args=..., out_error=<optimized out>) at ./tools/aapt2/cmd/Command.cpp:200
#11 0x00413548 in aapt::Command::Execute (this=0x5b5a40, args=..., out_error=<optimized out>) at ./tools/aapt2/cmd/Command.cpp:200
#12 0x00552dd0 in MainImpl (argc=<optimized out>, argv=<optimized out>) at ./tools/aapt2/Main.cpp:177
#13 0xf7a5b7da in __libc_start_call_main (main=main@entry=0x552e44 <main(int, char**)>, argc=argc@entry=4, argv=0xfffef534, argv@entry=0xf7b4d000) at ../sysdeps/nptl/libc_start_call_main.h:58
#14 0xf7a5b87e in __libc_start_main_impl (main=0x552e44 <main(int, char**)>, argc=4, argv=0xf7b4d000, init=<optimized out>, fini=0x0, rtld_fini=0xf7fd5539 <_dl_fini>, stack_end=0xfffef534) at libc-start.c:360
#15 0x00411ab0 in _start ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
(gdb) disassemble
Dump of assembler code for function _ZN7android15ResTable_config12copyFromDtoHERKS0_:
   0xf7eb95c4 <+0>:     push    {r4, r5, r6, r7, r8, lr}
   0xf7eb95c8 <+4>:     ldr     r5, [r1]
   0xf7eb95cc <+8>:     mov     r8, r0
   0xf7eb95d0 <+12>:    cmp     r5, #64 @ 0x40
   0xf7eb95d4 <+16>:    bcc     0xf7eb95f4 <_ZN7android15ResTable_config12copyFromDtoHERKS0_+48>
=> 0xf7eb95d8 <+20>:    ldm     r1!, {r2, r3, r4, r5, r6}
   0xf7eb95dc <+24>:    stmia   r0!, {r2, r3, r4, r5, r6}
   0xf7eb95e0 <+28>:    ldm     r1!, {r2, r3, r4, r5, r6}
   0xf7eb95e4 <+32>:    stmia   r0!, {r2, r3, r4, r5, r6}
   0xf7eb95e8 <+36>:    ldm     r1, {r2, r3, r4, r5, r6, r7}
   0xf7eb95ec <+40>:    stm     r0, {r2, r3, r4, r5, r6, r7}
   0xf7eb95f0 <+44>:    b       0xf7eb960c <_ZN7android15ResTable_config12copyFromDtoHERKS0_+72>
   0xf7eb95f4 <+48>:    mov     r2, r5
   0xf7eb95f8 <+52>:    bl      0xf7e990dc <memcpy@plt>
   0xf7eb95fc <+56>:    add     r0, r8, r5
   0xf7eb9600 <+60>:    rsb     r2, r5, #64     @ 0x40
   0xf7eb9604 <+64>:    mov     r1, #0
   0xf7eb9608 <+68>:    bl      0xf7e98c8c <memset@plt>
   0xf7eb960c <+72>:    mov     r0, #64 @ 0x40
   0xf7eb9610 <+76>:    str     r0, [r8]
   0xf7eb9614 <+80>:    pop     {r4, r5, r6, r7, r8, pc}
End of assembler dump.
(gdb)