[Bug 244899] [PATCH] zfs: xattr on a symlink target > 136 causes "bad file descriptor" (on 12.1) and panic on (13 CURRENT) in sa_build_index()

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244899

Sean Champ <lab+bsd@thinkum.space> changed:

           What    |Removed                     |Added
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                 CC|                            |lab+bsd@thinkum.space

--- Comment #7 from Sean Champ <lab+bsd@thinkum.space> ---
I think this may have cleared up at least in FreeBSD 13.1 (changeset
b63021e001d)? e.g uname

FreeBSD sol.cloud.thinkum.space 13.1-STABLE FreeBSD 13.1-STABLE #0
build/stable/13-n252436-b63021e001d: Sun Sep 18 22:01:30 PDT 2022    
me@sol.cloud.thinkum.space:[sic] amd64


With an earlier build of FreeBSD 13.1 (changeset 41ce229505a) I'd encountered
what I think was the same error as here, when building some ports with
poudriere on ZFS. 

With that earlier FreeBSD 13.1 build, the uname:
FreeBSD sol.cloud.thinkum.space 13.1-STABLE FreeBSD 13.1-STABLE #0
build/stable/13-n251001-41ce229505a: Sat Jun  4 18:12:09 PDT 2022    
me@sol.cloud.thinkum.space:[sic] amd64

The "Bad file descriptor" error, when building lang/rust under Poudriere on ZFS
on that kernel and base system:

[...]
-- Installing:
/wrkdirs/usr/ports/lang/rust/work/_build/x86_64-unknown-freebsd/llvm/include/llvm/MC/MCObjectFileInfo.h
CMake Error at cmake_install.cmake:41 (file):
  file INSTALL cannot copy file
 
"/wrkdirs/usr/ports/lang/rust/work/rustc-1.63.0-src/src/llvm-project/llvm/include/llvm/MC/MCObjectFileInfo.h"
  to
 
"/wrkdirs/usr/ports/lang/rust/work/_build/x86_64-unknown-freebsd/llvm/include/llvm/MC/MCObjectFileInfo.h":
  Bad file descriptor.


FAILED: CMakeFiles/install.util 
cd /wrkdirs/usr/ports/lang/rust/work/_build/x86_64-unknown-freebsd/llvm/build
&& /usr/local/bin/cmake -P cmake_install.cmake
ninja: build stopped: subcommand failed.


I'd seen a similar error with a number of ports - "Bad file descriptor" -
before stopping the port upgrade.

Now having updated the local 13.1 build to changeset b63021e001d under
stable/13 branch, I've not seen any such error when building rust now. Of
course, it will be a few more hours before the entire port upgrade completes,
if it could serve any test of the issue.

If it may show up again, but I'll look at adding those options to my KERNCONF
and rebuilding the kernel. Thx!

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