[syzbot] Monthly bpf report (Sep 2024)

[syzbot]

Hello bpf maintainers/developers,

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

During the period, 7 new issues were detected and 0 were fixed.
In total, 45 issues are still open and 270 have been fixed so far.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  19833   Yes   possible deadlock in trie_delete_elem
                   https://syzkaller.appspot.com/bug?extid=9d95beb2a3c260622518
<2>  15949   Yes   KASAN: slab-out-of-bounds Read in btf_datasec_check_meta
                   https://syzkaller.appspot.com/bug?extid=cc32304f6487ebff9b70
<3>  9068    Yes   possible deadlock in task_fork_fair
                   https://syzkaller.appspot.com/bug?extid=1a93ee5d329e97cfbaff
<4>  1539    Yes   possible deadlock in __bpf_ringbuf_reserve
                   https://syzkaller.appspot.com/bug?extid=850aaf14624dc0c6d366
<5>  230     Yes   KMSAN: uninit-value in ___bpf_prog_run (4)
                   https://syzkaller.appspot.com/bug?extid=853242d9c9917165d791
<6>  155     Yes   possible deadlock in __queue_map_get
                   https://syzkaller.appspot.com/bug?extid=8bdfc2c53fb2b63e1871
<7>  132     No    possible deadlock in trie_update_elem
                   https://syzkaller.appspot.com/bug?extid=ea624e536fee669a05cf
<8>  50      Yes   possible deadlock in queue_stack_map_push_elem
                   https://syzkaller.appspot.com/bug?extid=252bc5c744d0bba917e1
<9>  49      Yes   INFO: rcu detected stall in sys_clone (8)
                   https://syzkaller.appspot.com/bug?extid=c4c6c3dc10cc96bcf723
<10> 44      Yes   possible deadlock in __stack_map_get
                   https://syzkaller.appspot.com/bug?extid=dddd99ae26c656485d89

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