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[Bug 1785902] Re: local/9pfs: Too many levels of symbolic links
From: |
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Subject: |
[Bug 1785902] Re: local/9pfs: Too many levels of symbolic links |
Date: |
Fri, 02 Jul 2021 04:17:21 -0000 |
[Expired for QEMU because there has been no activity for 60 days.]
** Changed in: qemu
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1785902
Title:
local/9pfs: Too many levels of symbolic links
Status in QEMU:
Expired
Bug description:
Version: 2.9.1
The primary symptom is resolving symlink fails w/ error "too many
levels of symbolic links".
My analysis showed that local_readlink() uses local_open_nofollow() to
open the file and then tries to read it. local_open_nofollow() then
tries to open the file w/ O_NOFOLLOW, which obviously fails if the
requested file is a symlink.
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