StacktraceTop: __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7f3162540c00 "%s\n") at ../sysdeps/posix/libc_fatal.c:181 malloc_printerr (str=str@entry=0x7f3162542848 "munmap_chunk(): invalid pointer") at malloc.c:5336 munmap_chunk (p=<optimized out>) at malloc.c:2830 grep_source_clear (gs=gs@entry=0x55757aa67a38 <todo+2200>) at grep.c:2087 work_done (w=<optimized out>) at builtin/grep.c:160
StacktraceTop: action@ entry=do_ abort, fmt=fmt@ entry=0x7f31625 40c00 "%s\n") at ../sysdeps/ posix/libc_ fatal.c: 181 entry=0x7f31625 42848 "munmap_chunk(): invalid pointer") at malloc.c:5336 entry=0x55757aa 67a38 <todo+2200>) at grep.c:2087
__libc_message (action=
malloc_printerr (str=str@
munmap_chunk (p=<optimized out>) at malloc.c:2830
grep_source_clear (gs=gs@
work_done (w=<optimized out>) at builtin/grep.c:160