https://bugs.kde.org/show_bug.cgi?id=493507
Bug ID: 493507
Summary: direct readlink syscall from PRE handler is
incompatible with FUSE_COMPATIBLE_MAY_BLOCK
Classification: Developer tools
Product: valgrind
Version: 3.24 GIT
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: m...@klomp.org
Reporter: m...@klomp.org
CC: fwei...@redhat.com
Target Milestone: ---
Created attachment 173980
--> https://bugs.kde.org/attachment.cgi?id=173980&action=edit
Implement /proc/self/exe readlink[at] fallback in POST handler
The generic and linux readlink[at] syscall PRE handler calls readlink[at]
directly. This is incompatible with the FUSE_COMPATIBLE_MAY_BLOCK flag. Resolve
this by adding a POST handler and only do a direct readlink[at] call (in the
POST handler) if we need the /proc/self/exe fallback.
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