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tycho avatar tycho commented on July 20, 2024

Not sure why this issue was closed so quickly. I've just committed a fix in a332865.

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 avatar commented on July 20, 2024

hm.. interesting

[sanity.c:246]: (error) Deallocating a deallocated pointer: apic_ids
[sanity.c:247]: (error) Deallocating a deallocated pointer: apic_copy

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tycho avatar tycho commented on July 20, 2024

Oh. Oops. It was freed already after those for loops... How were these "leaks" detected?

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 avatar commented on July 20, 2024

@tycho

$ cd cpuid-master
$ cppcheck --enable=performance -v . 2> performance.log
$ cat performance.log

Debug mode:

[sanity.c:246]: (error) Deallocating a deallocated pointer: apic_ids
[sanity.c:247]: (error) Deallocating a deallocated pointer: apic_copy
[sanity.c:126]: (debug) inconclusive leak of apic_state: ; assign ; alloc ; loop use ; dealloc ; return ; }
[sanity.c:128]: (debug) inconclusive leak of busy_workers: ; assign ; alloc ; loop use ; dealloc ; return ; }
[sanity.c:129]: (debug) inconclusive leak of apic_workers: ; assign ; alloc ; loop use ; dealloc ; return ; }

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tycho avatar tycho commented on July 20, 2024

I looked more closely at the codepath. The 'goto cleanup' skips over the deallocations if there's duplicate APIC IDs. I've fixed it up.

from cpuid.

 avatar commented on July 20, 2024

@tycho, Thanks FixIt.

from cpuid.

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