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  • #377

Closed
Open
Created Jun 25, 2014 by Arvid Jakobsson@jakobsson

Literal strings in global arrays with compound initializers are not correctly initialized

ID0001817: This issue was created automatically from Mantis Issue 1817. Further discussion may take place here.


Id Project Category View Due Date Updated
ID0001817 Frama-C Plug-in > E-ACSL public 2014-06-25 2017-01-18
Reporter arvidj Assigned To kvorobyov Resolution fixed
Priority normal Severity minor Reproducibility always
Platform - OS - OS Version -
Product Version Frama-C GIT, precise the release id Target Version - Fixed in Version Frama-C 14-Silicon

Description :

Frama-C GIT Commit: b71d80ef

The generated function for initializing global variables "__e_acsl_memory_init" does not handle arrays containing literal strings with compound intializers.

Example:

char A[2] = {"foo", "bar"}; int main(void) { /@ assert \valid(A[0]) ; / /@ assert \valid(A[1]) ; */ }

Generated __e_acsl_memory_init: void __e_acsl_memory_init(void) { char *__e_acsl_literal_string; __store_block((void *)(A),sizeof(char *[2])); __e_acsl_literal_string = "bar"; __store_block((void *)__e_acsl_literal_string,sizeof("bar")); __full_init((void *)__e_acsl_literal_string,sizeof("bar")); __literal_string((void *)__e_acsl_literal_string); A = (char *)__e_acsl_literal_string; return; }

The last assignment is incorrect.

Attachments

  • usb_urb-drivers-staging-lirc-lirc_imon.ko_false-unreach-call.cil.out.i.pp.i
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