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From: Yang Xu <>
To: <>
Cc: <>, Yang Xu <>
Subject: [PATCH] quotactl.2: add EINVAL situation of Q_XQUOTARM call
Date: Tue, 3 Dec 2019 14:05:53 +0800
Message-ID: <> (raw)

Since kernel commit 3dd4d40b4208("xfs: Sanity check flags
of Q_XQUOTARM call"), it has added flags check. If it is
not usr,grp,prj quota type, it will report EINVAL.

Signed-off-by: Yang Xu <>
 man2/quotactl.2 | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/man2/quotactl.2 b/man2/quotactl.2
index 34d3cfca8..d636818bd 100644
--- a/man2/quotactl.2
+++ b/man2/quotactl.2
@@ -666,8 +666,10 @@ value containing flags (the same as in
 .I d_flags
 field of
 .I fs_disk_quota
-structure) which identify what types of quota should be removed
-(note that the quota type passed in the
+structure, check flags since Linux 5.5)
+.\" 3dd4d40b420846dd35869ccc8f8627feef2cff32
+which identify what types of quota
+should be removed(note that the quota type passed in the
 .I cmd
 argument is ignored, but should remain valid in order to pass preliminary
 quotactl syscall handler checks).
@@ -736,6 +738,12 @@ is
 but the specified quota file is corrupted.
+.I cmd
+but the addr does not point to valid quota types.
 The file specified by
 .I special

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