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H A D | dquot.c | 6a4e3363 Mon Jun 05 09:07:30 CDT 2023 Jan Kara <jack@suse.cz> quota: Properly disable quotas when add_dquot_ref() fails
When add_dquot_ref() fails (usually due to IO error or ENOMEM), we want to disable quotas we are trying to enable. However dquot_disable() call was passed just the flags we are enabling so in case flags == DQUOT_USAGE_ENABLED dquot_disable() call will just fail with EINVAL instead of properly disabling quotas. Fix the problem by always passing DQUOT_LIMITS_ENABLED | DQUOT_USAGE_ENABLED to dquot_disable() in this case.
Reported-and-tested-by: Ye Bin <yebin10@huawei.com> Reported-by: syzbot+e633c79ceaecbf479854@syzkaller.appspotmail.com Signed-off-by: Jan Kara <jack@suse.cz> Message-Id: <20230605140731.2427629-2-yebin10@huawei.com>
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