https://bugzilla.samba.org/show_bug.cgi?id=15393
Bug ID: 15393
Summary: rsync attempts to set extended attributes while in
dry-run
Product: rsync
Version: 3.2.0
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P5
Component: core
Assignee: wa...@opencoder.net
Reporter: miguelangel.pros...@gmail.com
QA Contact: rsync...@samba.org
Target Milestone: ---
Using the following system:
Debian 11 with rsync 3.2.3
Fedora 38 with rsync 3.2.7
Creating the following environment:
mkdir -p src/x cmp/x dst/
setfattr -n user.foo -v bar cmp/x
Executing the following command:
rsync --recursive --xattrs --dry-run --compare-dest=../cmp/ src/ dst/
Results in the following error:
rsync: [generator] copy_xattrs: lsetxattr("/home/user/dst/x","user.foo")
failed: No such file or directory (2)
The issue only seems to occur if:
x is a directory (inside another, not as a direct argument)
--recursive, --xattrs and --dry-run are set
--compare-dest, --copy-dest or --link-dest are set
The error seems to come from:
source file generator.c in function recv_generator (line 1489)
https://github.com/WayneD/rsync/blob/v3.2.7/generator.c#L1489
The error seems to be either:
recv_generator (in generator.c) calling copy_xattrs when it should not
or
copy_xattrs (in xattrs.c) / sys_lsetxattr (in lib/sysxattrs.c) not checking the
dry-run flag similarly to the functions in syscall.c do
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