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libbacktrace: correct memory lengths in Mach-O dsym support

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This cherry pick upstream commit:
030bd0a709
This commit is contained in:
Geod24 2021-01-31 16:57:59 +09:00
parent a3bfbab6bd
commit 74d200157e
1 changed files with 2 additions and 1 deletions
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3
libbacktrace/macho.cpp
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@ -871,6 +871,7 @@ macho_add_dsym (struct backtrace_state *state, const char *filename,
dsymsuffixdirlen = strlen (dsymsuffixdir);
dsymlen = (dirnamelen
+ 1
+ basenamelen
+ dsymsuffixdirlen
+ basenamelen
@ -893,7 +894,7 @@ macho_add_dsym (struct backtrace_state *state, const char *filename,
if (diralc != NULL)
{
backtrace_free (state, diralc, dirnamelen, error_callback, data);
backtrace_free (state, diralc, dirnamelen + 1, error_callback, data);
diralc = NULL;
}