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Sign upheap access from blocking section in unix_readlink #7299
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vicuna
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Sep 24, 2017
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Mar 14, 2019
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diml
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vicuna commentedJul 21, 2016
Original bug ID: 7299
Reporter: @damiendoligez
Assigned to: @diml
Status: closed (set by @xavierleroy on 2017-09-24T15:33:21Z)
Resolution: fixed
Priority: normal
Severity: minor
Version: 4.04.0 +dev / +beta1 / +beta2
Target version: 4.04.0 +dev / +beta1 / +beta2
Fixed in version: 4.04.0 +dev / +beta1 / +beta2
Category: platform support (windows, cross-compilation, etc)
Monitored by: @dra27
Bug description
In otherlibs/win32unix/readlink.c, function unix_readlink, the value of
opathis accessed from the blocking section. It should first be copied outside the heap.See #462 (comment)