[syzbot] Monthly bpf report (Dec 2024)

[syzbot] Monthly bpf report (Dec 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, 3 new issues were detected and 3 were fixed.
In total, 42 issues are still open and 279 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  23132   Yes   WARNING: locking bug in trie_delete_elem
                   https://syzkaller.appspot.com/bug?extid=b506de56cbbb63148c33
<2>  21422   Yes   possible deadlock in trie_delete_elem
                   https://syzkaller.appspot.com/bug?extid=9d95beb2a3c260622518
<3>  2116    Yes   WARNING in bpf_map_lookup_percpu_elem
                   https://syzkaller.appspot.com/bug?extid=dce5aae19ae4d6399986
<4>  1710    Yes   possible deadlock in __bpf_ringbuf_reserve
                   https://syzkaller.appspot.com/bug?extid=850aaf14624dc0c6d366
<5>  1352    Yes   WARNING in format_decode (3)
                   https://syzkaller.appspot.com/bug?extid=e2c932aec5c8a6e1d31c
<6>  311     Yes   KMSAN: uninit-value in ___bpf_prog_run (4)
                   https://syzkaller.appspot.com/bug?extid=853242d9c9917165d791
<7>  182     Yes   INFO: rcu detected stall in sys_clone (8)
                   https://syzkaller.appspot.com/bug?extid=c4c6c3dc10cc96bcf723
<8>  173     Yes   UBSAN: array-index-out-of-bounds in bpf_prog_select_runtime
                   https://syzkaller.appspot.com/bug?extid=d2a2c639d03ac200a4f1
<9>  166     Yes   possible deadlock in __queue_map_get
                   https://syzkaller.appspot.com/bug?extid=8bdfc2c53fb2b63e1871
<10> 92      Yes   WARNING in bpf_get_stack_raw_tp
                   https://syzkaller.appspot.com/bug?extid=ce35de20ed6652f60652

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