[syzbot] Monthly bpf report (Feb 2026)

[syzbot] Monthly bpf report (Feb 2026)

[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, 2 new issues were detected and 1 were fixed.
In total, 25 issues are still open and 318 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 16793   Yes   WARNING in reg_bounds_sanity_check (2)
                  https://syzkaller.appspot.com/bug?extid=c950cc277150935cc0b5
<2> 2297    Yes   WARNING in trace_suspend_resume
                  https://syzkaller.appspot.com/bug?extid=99d4fec338b62b703891
<3> 102     No    INFO: rcu detected stall in sys_sendmmsg (7)
                  https://syzkaller.appspot.com/bug?extid=53e660acb94e444b9d63
<4> 59      Yes   inconsistent lock state in bpf_lru_push_free
                  https://syzkaller.appspot.com/bug?extid=c69a0a2c816716f1e0d5
<5> 45      No    KMSAN: uninit-value in handle_bug
                  https://syzkaller.appspot.com/bug?extid=ba80855313e6fa65717a
<6> 22      Yes   INFO: rcu detected stall in task_numa_work (2)
                  https://syzkaller.appspot.com/bug?extid=06d48cbf3e767907cec2
<7> 7       Yes   KASAN: stack-out-of-bounds Write in __bpf_get_stack
                  https://syzkaller.appspot.com/bug?extid=d1b7fa1092def3628bd7
<8> 1       Yes   INFO: rcu detected stall in vma_merge_new_range (3)
                  https://syzkaller.appspot.com/bug?extid=316c0070a0341d2661a2

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