* Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> [220427 18:57]: > > The patch titled > Subject: mm/mmap: fix __vma_adjust() memory leak > has been added to the -mm tree. Its filename is > mm-start-tracking-vmas-with-maple-tree-fix.patch > > This patch should soon appear at > https://ozlabs.org/~akpm/mmots/broken-out/mm-start-tracking-vmas-with-maple-tree-fix.patch > and later at > https://ozlabs.org/~akpm/mmotm/broken-out/mm-start-tracking-vmas-with-maple-tree-fix.patch Both of these links are 404 and the patch does not seem to be in linux-next 20220428. Is there any chance this was missed? Thanks, Liam > > Before you just go and hit "reply", please: > a) Consider who else should be cc'ed > b) Prefer to cc a suitable mailing list as well > c) Ideally: find the original patch on the mailing list and do a > reply-to-all to that, adding suitable additional cc's > > *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** > > The -mm tree is included into linux-next and is updated > there every 3-4 working days > > ------------------------------------------------------ > From: "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx> > Subject: mm/mmap: fix __vma_adjust() memory leak > > When shifting the arg pages, the maple state may be left with allocated > memory. Free the memory by calling mas_destroy() unconditionally at the > end of the function. > > Link: https://lkml.kernel.org/r/20220427224134.yurrplclbhmnrloj@revolver > Fixes: bd6a1fd58daf (mm: start tracking VMAs with maple tree) > Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx> > Reported-by: Qian Cai <quic_qiancai@xxxxxxxxxxx> > Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> > Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > --- > > mm/mmap.c | 1 + > 1 file changed, 1 insertion(+) > > --- a/mm/mmap.c~mm-start-tracking-vmas-with-maple-tree-fix > +++ a/mm/mmap.c > @@ -864,6 +864,7 @@ int __vma_adjust(struct vm_area_struct * > MA_STATE(mas, &mm->mm_mt, 0, 0); > struct vm_area_struct *exporter = NULL, *importer = NULL; > > + mas_destroy(&mas); > validate_mm(mm); > validate_mm_mt(mm); > > _ > > Patches currently in -mm which might be from Liam.Howlett@xxxxxxxxxx are > > mm-start-tracking-vmas-with-maple-tree-fix.patch >
