[syzbot] Monthly bpf report (Apr 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, 24 new issues were detected and 8 were fixed.
In total, 34 issues are still open and 219 have been fixed so far.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  13092   Yes   WARNING in sock_map_delete_elem
                   https://syzkaller.appspot.com/bug?extid=2f4f478b78801c186d39
<2>  11661   Yes   WARNING in sock_hash_delete_elem
                   https://syzkaller.appspot.com/bug?extid=1c04a1e4ae355870dc7a
<3>  8530    Yes   possible deadlock in task_fork_fair
                   https://syzkaller.appspot.com/bug?extid=1a93ee5d329e97cfbaff
<4>  6100    Yes   possible deadlock in trie_delete_elem
                   https://syzkaller.appspot.com/bug?extid=9d95beb2a3c260622518
<5>  4928    Yes   KASAN: slab-out-of-bounds Read in btf_datasec_check_meta
                   https://syzkaller.appspot.com/bug?extid=cc32304f6487ebff9b70
<6>  1115    No    possible deadlock in __lock_task_sighand (2)
                   https://syzkaller.appspot.com/bug?extid=34267210261c2cbba2da
<7>  731     Yes   possible deadlock in scheduler_tick (3)
                   https://syzkaller.appspot.com/bug?extid=628f63ef3b071e16463e
<8>  414     Yes   INFO: rcu detected stall in corrupted (4)
                   https://syzkaller.appspot.com/bug?extid=aa7d098bd6fa788fae8e
<9>  353     Yes   WARNING in format_decode (3)
                   https://syzkaller.appspot.com/bug?extid=e2c932aec5c8a6e1d31c
<10> 271     No    possible deadlock in sock_hash_delete_elem (2)
                   https://syzkaller.appspot.com/bug?extid=ec941d6e24f633a59172

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