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Wed, 29 Oct 2025 14:03:56 +0800 X-QQ-mid: xmsmtpt1761717836t9qfhq75p Message-ID: X-QQ-XMAILINFO: NC4p7XQIBeahnOTSVw3pb/XvCB73hmNxwHgUbc7eK/8IfLBC9TxesWiaUpWaKK MwIunf00sbB9//PLtnlzCBMDE7Y90wNUXn/jGaPlCBvN4ik2+B13HvHErb6mQaHsBSLs+Cu4XMPL 72fo9iYxxEAReHVDa9yOwNbNUE5qpA1N89UZSgHYmcC1yXhLTAY7BAIeT84tBRQ29SW+PZzzFEMU Mv7nJ0Fc4B6l+AxRSfTtdQpsCpXVPb+Yg+nypj8glaGZw2m6pE4/ZbFWYUnuEpwLC+YsKY5Yo7t8 IqS8vmOkMrEefhDPk0qGzffwXt1C01/qcO++VX70Ed4iFAbjAk53NU5K8pZjVIc27j8bj1ejWB+S gOUdCpyLlLiqDzzhVhUHfHSVEamzVoveMecoAnFA+Bo4nYWsRCpaHQPZ5m56VEywNOPY4eUu16SE 6BgDaQKLK8Mb85S/vKFplcIY0dALuuTAi7JWE9J+yvoGt1sKNKf6yTzjcgSZLrYcslqaeQizr/bJ mx7xCB3/+4aCcp1IhYu9lOe+YGFWt7xd/Hd5YH1hEDlcvhAXbE577+hZvdizUNZb+eXjtWw2s/RI qTZo3NSTdphZOoZFP+3iaw+1BSbJnv50f3bmwXRVzqfkO28QyCDD6VwZ80iLg9p+F82PEdTpi2ye xlwFCTFWapLrxFTgKC8H4JI+ikNhLF0JqgVWJtHrOM6aG5mMrFQ7leRIFnwQfdqCSJhQlAd3Hjrz mJJILSdVojia3wecOo4NKyq+Stm57OQ9dmJM96cc13yAa+K4s7xUII89xg5isb8oq2yRiDhlLPH6 t+B8vdukj0g5O8s8aMwyIfG9FXsYqnxgkugUvDjNVRPtNVUh8W7RIKvd++R9S+SGhCY1xg2nnTMQ 8j+PtEgiuhYOHbTw2bkHyYArI+uuT234cfzEwZGZIJIXdXRYX3A8JwZ76ZneOFsUT1bSNg4ONxAn 6tK3Yu1fVJiMd4Q51meQeEHoFFHiKcqiYxaOmBqSQCg6BDLHTQK+8QywH+Q0RwbzKHFZr2L7rDv+ YYBVZbdddmscABYPhG X-QQ-XMRINFO: NS+P29fieYNw95Bth2bWPxk= From: Edward Adam Davis To: syzbot+cc433e4cd6d54736bf80@syzkaller.appspotmail.com Cc: almaz.alexandrovich@paragon-software.com, linux-kernel@vger.kernel.org, ntfs3@lists.linux.dev, syzkaller-bugs@googlegroups.com Subject: [PATCH next] ntfs3: Remove redundant nls free Date: Wed, 29 Oct 2025 14:03:57 +0800 X-OQ-MSGID: <20251029060356.3366094-2-eadavis@qq.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <69015bf1.050a0220.3344a1.03f7.GAE@google.com> References: <69015bf1.050a0220.3344a1.03f7.GAE@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Using unload_nls() is sufficient for nls. syzbot reported: WARNING: mm/slub.c:6752 at free_large_kmalloc+0x15c/0x1f0 mm/slub.c:6752, C= PU#1: syz-executor/5939 Call Trace: ntfs_put_super+0x15b/0x1b0 fs/ntfs3/super.c:708 generic_shutdown_super+0x135/0x2c0 fs/super.c:642 kill_block_super+0x44/0x90 fs/super.c:1722 ntfs3_kill_sb+0x44/0x1b0 fs/ntfs3/super.c:1847 Reported-by: syzbot+cc433e4cd6d54736bf80@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=3Dcc433e4cd6d54736bf80 Signed-off-by: Edward Adam Davis --- fs/ntfs3/super.c | 1 - 1 file changed, 1 deletion(-) diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c index aae1f32f4dab..02b03d810dcf 100644 --- a/fs/ntfs3/super.c +++ b/fs/ntfs3/super.c @@ -705,7 +705,6 @@ static void ntfs_put_super(struct super_block *sb) =20 if (sbi->options) { unload_nls(sbi->options->nls); - kfree(sbi->options->nls); kfree(sbi->options); sbi->options =3D NULL; } --=20 2.43.0