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libsysprof: elf: do not allow setting self as debug link

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That will cause infinite recursion in `sysprof_elf_get_symbol_at_address_internal()`.
Also note that loops are still possible, this change
only prevents one way of creating loops.
This commit is contained in:
Barnabás Pőcze
2024-10-09 15:29:59 +02:00
committed by Christian Hergert
parent e0fdbf65cf
commit aef623cf15
1 changed files with 1 additions and 0 deletions
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src/libsysprof/sysprof-elf.c
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@ -502,6 +502,7 @@ sysprof_elf_set_debug_link_elf (SysprofElf *self,
{ {
g_return_if_fail (SYSPROF_IS_ELF (self)); g_return_if_fail (SYSPROF_IS_ELF (self));
g_return_if_fail (!debug_link_elf || SYSPROF_IS_ELF (debug_link_elf)); g_return_if_fail (!debug_link_elf || SYSPROF_IS_ELF (debug_link_elf));
g_return_if_fail (debug_link_elf != self);
if (g_set_object (&self->debug_link_elf, debug_link_elf)) if (g_set_object (&self->debug_link_elf, debug_link_elf))
g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_DEBUG_LINK_ELF]); g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_DEBUG_LINK_ELF]);