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overlay/013: adjust test expectation to kernel v4.8

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Commit 4d0c5ba (vfs: do get_write_access() on upper layer of overlayfs)
that was merged for kernel v4.8 changes the behavior of execve+truncate
in a subtle way.

When file is executed from lower and then truncated, the truncation is
allowed, becasue it only affects the size of the copied up file and does
not affect the VM mapping of the executed lower file.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
This commit is contained in:
Amir Goldstein
2016-10-19 11:52:33 +03:00
committed by Eryu Guan
parent 044af9dd66
commit aa96e42b8d
2 changed files with 1 additions and 2 deletions
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tests/overlay/013
-1
View File
@@ -69,6 +69,5 @@ $SCRATCH_MNT/test_lower
$SCRATCH_MNT/test_upper
# success, all done
echo "Silence is golden"
status=0
exit
tests/overlay/013.out
+1 -1
View File
@@ -1,2 +1,2 @@
QA output created by 013
Silence is golden
truncate(test_lower) should have failed