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Jan Kara authored
As lockdep properly warns, we should not be locking i_rwsem while having transactions started as the proper lock ordering used by all directory handling operations is i_rwsem -> transaction start. Fix the lock ordering by moving the locking of the directory earlier in ext4_rename(). Reported-by: syzbot+9d16c39efb5fade84574@syzkaller.appspotmail.com Fixes: 0813299c ("ext4: Fix possible corruption when moving a directory") Link: https://syzkaller.appspot.com/bug?extid=9d16c39efb5fade84574Signed-off-by:
Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230301141004.15087-1-jack@suse.czSigned-off-by:
Theodore Ts'o <tytso@mit.edu>
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