Hello Andrew, Please apply this series as bug fixes. This bug fix series covers three nilfs2 log writer-related issues, including a timer use-after-free issue and potential deadlock issue on unmount, and a potential freeze issue in event synchronization found during their analysis. Details are described in each commit log. thank you always. Ryusuke Konishi Ryusuke Konishi (3): nilfs2: fix use-after-free of timer for log writer thread nilfs2: fix unexpected freezing of nilfs_segctor_sync() nilfs2: fix potential hang in nilfs_detach_log_writer() fs/nilfs2/segment.c | 63 +++++++++++++++++++++++++++++++++++---------- 1 file changed, 50 insertions(+), 13 deletions(-) -- 2.34.1