[Bug 1944621] [NEW] sshd in chroot has regression with glibc 2.34

[Launchpad Bug Tracker]

You have been subscribed to a public bug by William Wilson (jawn-smith):

A regression to sshd running in a chroot exists under the following
conditions:

1) sshd was built with glibc 2.34
2) sshd is running with a kernel that does not define the close_range syscall (kernel <= 5.8)
3) /proc/self/fd does not exist in the chroot

The glibc 2.34 implementation of fallback_closefrom fails if
/proc/self/fd is not present, which is a valid sshd use case.

** Affects: openssh (Ubuntu)
     Importance: Undecided
     Assignee: William Wilson (jawn-smith)
         Status: New

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sshd in chroot has regression with glibc 2.34
https://bugs.launchpad.net/bugs/1944621
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