[syzbot] Monthly mm report (Nov 2024)

From: syzbot
Date: Mon Nov 04 2024 - 06:37:10 EST


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, 13 new issues were detected and 2 were fixed.
In total, 94 issues are still open and 266 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 10332 Yes KASAN: slab-out-of-bounds Read in generic_perform_write
https://syzkaller.appspot.com/bug?extid=4a2376bc62e59406c414
<2> 7385 Yes WARNING in ext4_dirty_folio
https://syzkaller.appspot.com/bug?extid=ecab51a4a5b9f26eeaa1
<3> 6624 Yes possible deadlock in lock_mm_and_find_vma (2)
https://syzkaller.appspot.com/bug?extid=b02bbe0ff80a09a08c1b
<4> 3600 Yes INFO: task hung in page_cache_ra_unbounded (2)
https://syzkaller.appspot.com/bug?extid=265e1cae90f8fa08f14d
<5> 2520 Yes INFO: rcu detected stall in worker_thread (9)
https://syzkaller.appspot.com/bug?extid=225bfad78b079744fd5e
<6> 1786 Yes possible deadlock in filemap_fault
https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d
<7> 852 Yes possible deadlock in gup_fast_fallback
https://syzkaller.appspot.com/bug?extid=63ba90b81c16b86379bd
<8> 758 Yes KCSAN: data-race in generic_fillattr / shmem_mknod (2)
https://syzkaller.appspot.com/bug?extid=702361cf7e3d95758761
<9> 721 No WARNING: locking bug in __schedule
https://syzkaller.appspot.com/bug?extid=46b40e354b532433eeef
<10> 606 Yes INFO: rcu detected stall in corrupted (4)
https://syzkaller.appspot.com/bug?extid=aa7d098bd6fa788fae8e

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