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Amir Goldstein 654a7814ad generic: check CAP_LINUX_IMMUTABLE capability with FS_IOC_FSSETXATTR

This is a flavor of test generic/545 with FS_IOC_FSSETXATTR ioctl
instead of FS_IOC_SETFLAGS ioctl.

Overlayfs gained support for FS_IOC_FSSETXATTR ioctl in v5.2-rc4
with buggy capability check. This change fixed the problem:

  ovl: fix wrong flags check in FS_IOC_FS[SG]ETXATTR ioctls

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>

2019-06-16 21:44:36 +08:00

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 QA output created by 555
 Create the original files
 Try to xfs_io chattr +ia with capabilities CAP_LINUX_IMMUTABLE
 Try to xfs_io chattr +ia/-ia without capability CAP_LINUX_IMMUTABLE
 Operation not permitted
 Operation not permitted
 Operation not permitted
 Operation not permitted
 Try to xfs_io chattr -ia with capability CAP_LINUX_IMMUTABLE