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Fix access to uninitialized variable in fill_in_stop_func

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This patch changes find_pc_partial_function so that *block is set to
nullptr when it fails, so that fill_in_stop_func won't access an
uninitialized variable.

gdb/ChangeLog:
2019-08-09  Pedro Franco de Carvalho  <pedromfc@linux.ibm.com>

	* blockframe.c (find_pc_partial_function): Set *block to nullptr
	when the function fails.
This commit is contained in:
Pedro Franco de Carvalho
2019-08-09 16:49:46 -03:00
parent 1022c627db
commit dac36daf78
2 changed files with 7 additions and 0 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2019-08-09 Pedro Franco de Carvalho <pedromfc@linux.ibm.com>
* blockframe.c (find_pc_partial_function): Set *block to nullptr
when the function fails.
2019-08-09 Andreas Arnez <arnez@linux.ibm.com> 2019-08-09 Andreas Arnez <arnez@linux.ibm.com>
* s390-tdep.c (s390_type_align): New function. * s390-tdep.c (s390_type_align): New function.

2
gdb/blockframe.c
View File

@ -331,6 +331,8 @@ find_pc_partial_function (CORE_ADDR pc, const char **name, CORE_ADDR *address,
*address = 0; *address = 0;
if (endaddr != NULL) if (endaddr != NULL)
*endaddr = 0; *endaddr = 0;
if (block != nullptr)
*block = nullptr;
return 0; return 0;
} }