diff options
author | 2009-08-07 00:27:27 +0200 | |
---|---|---|
committer | 2009-09-14 19:13:01 +0200 | |
commit | cbc8cc33529b0e0e55ae0ff077b8cb0b71d54c7a (patch) | |
tree | 5edace261ca6d707456d1bde03c0bf719ac8a365 /mm/vmalloc.c | |
parent | udf: Perform preallocation only for regular files (diff) | |
download | wireguard-linux-cbc8cc33529b0e0e55ae0ff077b8cb0b71d54c7a.tar.xz wireguard-linux-cbc8cc33529b0e0e55ae0ff077b8cb0b71d54c7a.zip |
udf: Fix possible corruption when close races with write
When we close a file, we remove preallocated blocks from it. But this
truncation was not protected by i_mutex and thus it could have raced with a
write through a different fd and cause crashes or even filesystem corruption.
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'mm/vmalloc.c')
0 files changed, 0 insertions, 0 deletions