From: Jie Liu <jeff.liu@xxxxxxxxxx>
For CRC enabled v5 super block, change a file's ownership can simply
trigger ASSERT failure at xfs_setattr_nonsize() if both group and
project quota are enabled, e.g,
[ 305.337609] XFS: Assertion failed: !XFS_IS_PQUOTA_ON(mp), file: fs/xfs/xfs_iops.c, line: 621
[ 305.339250] Kernel BUG at ffffffffa0a7fa32 [verbose debug info unavailable]
[ 305.383939] Call Trace:
[ 305.385536] [<ffffffffa0a7d95a>] xfs_setattr_nonsize+0x69a/0x720 [xfs]
[ 305.387142] [<ffffffffa0a7dea9>] xfs_vn_setattr+0x29/0x70 [xfs]
[ 305.388727] [<ffffffff811ca388>] notify_change+0x1a8/0x350
[ 305.390298] [<ffffffff811ac39d>] chown_common+0xfd/0x110
[ 305.391868] [<ffffffff811ad6bf>] SyS_fchownat+0xaf/0x110
[ 305.393440] [<ffffffff811ad760>] SyS_lchown+0x20/0x30
[ 305.394995] [<ffffffff8170f7dd>] system_call_fastpath+0x1a/0x1f
[ 305.399870] RIP [<ffffffffa0a7fa32>] assfail+0x22/0x30 [xfs]
To remain the current semantics under the debug mode, this fix add
an additional judgement to make this assertion only works for non-CRC
enabled version.
Signed-off-by: Jie Liu <jeff.liu@xxxxxxxxxx>
---
fs/xfs/xfs_iops.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 27e0e54..586f1f2 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -618,7 +618,10 @@ xfs_setattr_nonsize(
}
if (!gid_eq(igid, gid)) {
if (XFS_IS_QUOTA_RUNNING(mp) && XFS_IS_GQUOTA_ON(mp)) {
- ASSERT(!XFS_IS_PQUOTA_ON(mp));
+#ifdef DEBUG
+ if (!xfs_sb_version_has_pquotino(&mp->m_sb))
+ ASSERT(!XFS_IS_PQUOTA_ON(mp));
+#endif
ASSERT(mask & ATTR_GID);
ASSERT(gdqp);
olddquot2 = xfs_qm_vop_chown(tp, ip,
--
1.7.9.5
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