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authorNick Alcock <nick.alcock@oracle.com>2024-07-29 12:45:09 +0100
committerNick Alcock <nick.alcock@oracle.com>2024-08-01 20:39:28 +0100
commit81900d2bac07b85d76efb3739bd631cdd709d092 (patch)
tree532474495111ca1cb1cb31a7501f906efb8013cc /sim/aarch64
parenta648fe307354235f2460e004c164f99e4ad297f6 (diff)
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libctf: fix ref leak of names of newly-inserted non-root-visible typesbinutils-2_39-branch
A bug in ctf_dtd_delete led to refs in the string table to the names of non-root-visible types not being removed when the DTD was. This seems harmless, but actually it would lead to a write down a pointer into freed memory if such a type was ctf_rollback()ed over and then the dict was serialized (updating all the refs as the strtab was serialized in turn). Bug introduced in commit fe4c2d55634c700ba527ac4183e05c66e9f93c62 ("libctf: create: non-root-visible types should not appear in name tables") which is included in binutils 2.35. libctf/ * ctf-create.c (ctf_dtd_delete): Remove refs for all types with names, not just root-visible ones.
Diffstat (limited to 'sim/aarch64')
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