Follow-up Comment #1, bug #41983 (project make):
A makefile containing only:
$(file >>4touch)
Crashes make for me.
my git tree is uptodate at:
commit 8411528fdd21e978076365df2f49e2b934becb84
Valgrind reports this:
==7794== Invalid read of size 1
==7794== at 0x4A092F2: strlen (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==7794== by 0x40E374: func_file (function.c:2159)
==7794== by 0x410A88: handle_function (function.c:2422)
==7794== by 0x40AF8A: variable_expand_string (expand.c:256)
==7794== by 0x41C245: eval (read.c:1058)
==7794== by 0x41CEF4: eval_makefile (read.c:444)
==7794== by 0x41D1DD: read_all_makefiles (read.c:223)
==7794== by 0x406DD4: main (main.c:1878)
==7794== Address 0x0 is not stack'd, malloc'd or (recently) free'd
==7794==
==7794==
==7794== Process terminating with default action of signal 11 (SIGSEGV)
==7794== Access not within mapped region at address 0x0
==7794== at 0x4A092F2: strlen (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==7794== by 0x40E374: func_file (function.c:2159)
==7794== by 0x410A88: handle_function (function.c:2422)
==7794== by 0x40AF8A: variable_expand_string (expand.c:256)
==7794== by 0x41C245: eval (read.c:1058)
==7794== by 0x41CEF4: eval_makefile (read.c:444)
==7794== by 0x41D1DD: read_all_makefiles (read.c:223)
==7794== by 0x406DD4: main (main.c:1878)
==7794== If you believe this happened as a result of a stack
==7794== overflow in your program's main thread (unlikely but
==7794== possible), you can try to increase the size of the
==7794== main thread stack using the --main-stacksize= flag.
==7794== The main thread stack size used in this run was
18446744073709551615.
==7794==
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