Address Sanitizer failure in dwarf_loader.c tag__record_dwarf_type

[captain5050]

Testing with version 1.20 I see the following address sanitizer failures for the commands:
pahole -J "${kernel}"
pahole -s "${kernel}" | sort -k2 -nr | head -5

==3813206==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x621000202ce0 at pc 0x559c910010ad bp 0x7ffc54f15ea0 sp 0x7ffc54f15e98
READ of size 8 at 0x621000202ce0 thread T0
    #0 0x559c910010ac in dwarf_tag__spec pahole/dwarf_loader.c:97:9
    #1 0x559c910003af in tag__recode_dwarf_type pahole/dwarf_loader.c:2123:33
    #2 0x559c90fffef2 in cu__recode_dwarf_types_table pahole/dwarf_loader.c:2159:8
    #3 0x559c90ff97fd in cu__recode_dwarf_types pahole/dwarf_loader.c:2168:6
    #4 0x559c90ff9449 in die__process_and_recode pahole/dwarf_loader.c:2248:9
    #5 0x559c90ff87d0 in cus__load_module pahole/dwarf_loader.c:2518:7
    #6 0x559c90ff8033 in cus__process_dwflmod pahole/dwarf_loader.c:2566:9
    #7 0x559c9102d4ee in dwfl_getmodules dwfl_getmodules.c:86:16
    #8 0x559c90ff7e00 in cus__process_file pahole/dwarf_loader.c:2619:2
    #9 0x559c90ff7640 in dwarf__load_file pahole/dwarf_loader.c:2636:8
    #10 0x559c9100bc67 in cus__load_file pahole/dwarves.c:1969:7
    #11 0x559c9100bf27 in cus__load_files pahole/dwarves.c:2330:7
    #12 0x559c90fe46b2 in main pahole/pahole.c:2760:8

0x621000202ce0 is located 0 bytes to the right of 4064-byte region [0x621000201d00,0x621000202ce0)
allocated by thread T0 here:
    #0 0x559c90fc7f5d in malloc
    #1 0x7fdb696fef05 in _obstack_newchunk
    #2 0x559c90ff7a47 in obstack_zalloc pahole/dwarf_loader.c:113:12
    #3 0x559c90ffbb5f in __tag__alloc pahole/dwarf_loader.c:375:27
    #4 0x559c90ffb6d6 in tag__alloc pahole/dwarf_loader.c:396:9
    #5 0x559c90fff617 in variable__new pahole/dwarf_loader.c:621:9
    #6 0x559c90ffb0c8 in die__create_new_variable pahole/dwarf_loader.c:1246:25
    #7 0x559c90ffe178 in die__process_function pahole/dwarf_loader.c:1645:10
    #8 0x559c90ffaa81 in die__create_new_function pahole/dwarf_loader.c:1704:6
    #9 0x559c90ff9de4 in __die__process_tag pahole/dwarf_loader.c:1747:9
    #10 0x559c90ff9be3 in die__process_unit pahole/dwarf_loader.c:1777:21
    #11 0x559c90ff96d1 in die__process pahole/dwarf_loader.c:2230:13
    #12 0x559c90ff943d in die__process_and_recode pahole/dwarf_loader.c:2245:12
    #13 0x559c90ff87d0 in cus__load_module pahole/dwarf_loader.c:2518:7
    #14 0x559c90ff8033 in cus__process_dwflmod pahole/dwarf_loader.c:2566:9
    #15 0x559c9102d4ee in dwfl_getmodules dwfl_getmodules.c:86:16
    #16 0x559c90ff7e00 in cus__process_file pahole/dwarf_loader.c:2619:2
    #17 0x559c90ff7640 in dwarf__load_file pahole/dwarf_loader.c:2636:8
    #18 0x559c9100bc67 in cus__load_file pahole/dwarves.c:1969:7
    #19 0x559c9100bf27 in cus__load_files pahole/dwarves.c:2330:7
    #20 0x559c90fe46b2 in main pahole/pahole.c:2760:8

SUMMARY: AddressSanitizer: heap-buffer-overflow pahole/dwarf_loader.c:97:9 in dwarf_tag__spec
Shadow bytes around the buggy address:
  0x0c4280038540: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c4280038550: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c4280038560: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c4280038570: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c4280038580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0c4280038590: 00 00 00 00 00 00 00 00 00 00 00 00[fa]fa fa fa
  0x0c42800385a0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c42800385b0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c42800385c0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c42800385d0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c42800385e0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
  Shadow gap:              cc
==3813206==ABORTING