On Fri, Aug 30, 2024 at 10:29:55AM +0200, hsimeliere.opensource@xxxxxxxxxxx wrote: > From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx> > > commit af73483f4e8b6f5c68c9aa63257bdd929a9c194a upstream. > > The IDA usually detects double-frees, but that detection failed to > consider the case when there are no nearby IDs allocated and so we have a > NULL bitmap rather than simply having a clear bit. Add some tests to the > test-suite to be sure we don't inadvertently reintroduce this problem. > Unfortunately they're quite noisy so include a message to disregard > the warnings. > > Reported-by: Zhenghan Wang <wzhmmmmm@xxxxxxxxx> > Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> > Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> > Signed-off-by: Hugo SIMELIERE <hsimeliere.opensource@xxxxxxxxxxx> > --- > lib/idr.c | 2 +- > lib/test_ida.c | 40 ++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 41 insertions(+), 1 deletion(-) > Now queued up, thanks. greg k-h