[syzbot] Monthly mm report (May 2024)

[syzbot] Monthly mm report (May 2024)

[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, 8 new issues were detected and 1 were fixed.
In total, 56 issues are still open and 242 have been fixed so far.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  10236   Yes   KASAN: slab-out-of-bounds Read in generic_perform_write
                   https://syzkaller.appspot.com/bug?extid=4a2376bc62e59406c414
<2>  7377    Yes   WARNING in ext4_dirty_folio
                   https://syzkaller.appspot.com/bug?extid=ecab51a4a5b9f26eeaa1
<3>  1078    Yes   possible deadlock in filemap_fault
                   https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d
<4>  720     Yes   KCSAN: data-race in generic_fillattr / shmem_mknod (2)
                   https://syzkaller.appspot.com/bug?extid=702361cf7e3d95758761
<5>  466     Yes   inconsistent lock state in __mmap_lock_do_trace_acquire_returned
                   https://syzkaller.appspot.com/bug?extid=76f802bc1dee8ba28a6e
<6>  390     Yes   WARNING in kunmap_local_indexed
                   https://syzkaller.appspot.com/bug?extid=691cb37358791bebebe6
<7>  93      Yes   BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot
                   https://syzkaller.appspot.com/bug?extid=b18872ea9631b5dcef3b
<8>  72      No    INFO: task hung in __lru_add_drain_all (2)
                   https://syzkaller.appspot.com/bug?extid=5294aa7d73bb0fa85bd0
<9>  49      Yes   BUG: unable to handle kernel paging request in list_lru_add
                   https://syzkaller.appspot.com/bug?extid=2403e3909382fbdeaf6c
<10> 46      Yes   INFO: rcu detected stall in sys_openat (3)
                   https://syzkaller.appspot.com/bug?extid=23d96fb466ad56cbb5e5

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