[syzbot] Monthly mm report (Sep 2023)

[syzbot]

Hello mm maintainers/developers,

This is a 31-day syzbot report for the mm subsystem.
All related reports/information can be found at:
https://syzkaller.appspot.com/upstream/s/mm

During the period, 7 new issues were detected and 2 were fixed.
In total, 43 issues are still open and 232 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 7345    Yes   WARNING in ext4_dirty_folio
                  https://syzkaller.appspot.com/bug?extid=ecab51a4a5b9f26eeaa1
<2> 566     No    KCSAN: data-race in generic_fillattr / shmem_mknod (2)
                  https://syzkaller.appspot.com/bug?extid=702361cf7e3d95758761
<3> 519     No    KCSAN: data-race in generic_fillattr / shmem_unlink (3)
                  https://syzkaller.appspot.com/bug?extid=f682b67a78ce05867e78
<4> 85      No    KCSAN: data-race in __filemap_remove_folio / folio_mapping (2)
                  https://syzkaller.appspot.com/bug?extid=606f94dfeaaa45124c90
<5> 30      No    upstream boot error: KASAN: slab-out-of-bounds Read in bootstrap
                  https://syzkaller.appspot.com/bug?extid=2f508e913916096bf53a
<6> 13      Yes   memory leak in xas_create
                  https://syzkaller.appspot.com/bug?extid=a785d07959bc94837d51
<7> 6       No    BUG: unable to handle kernel paging request in list_lru_add
                  https://syzkaller.appspot.com/bug?extid=2403e3909382fbdeaf6c
<8> 4       Yes   kernel BUG in do_page_mkwrite
                  https://syzkaller.appspot.com/bug?extid=cfba1abcb2cf7b39a320
<9> 3       No    upstream boot error: KASAN: slab-out-of-bounds Read in deactivate_slab
                  https://syzkaller.appspot.com/bug?extid=b51786cce3a38fa8a4f4

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